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Pecoraro</title> <meta name="description" content="Search results for: Roberta Pecoraro"> <meta name="keywords" content="Roberta Pecoraro"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Roberta Pecoraro"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 47</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Roberta Pecoraro</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> Effect of Electromagnetic Fields at 27 GHz on Sperm Quality of Mytilus galloprovincialis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carmen%20Sica">Carmen Sica</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20M.%20Scalisi"> Elena M. Scalisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Ignoto"> Sara Ignoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludovica%20Palmeri"> Ludovica Palmeri</a>, <a href="https://publications.waset.org/abstracts/search?q=Martina%20Contino"> Martina Contino</a>, <a href="https://publications.waset.org/abstracts/search?q=Greta%20Ferruggia"> Greta Ferruggia</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Salvaggio"> Antonio Salvaggio</a>, <a href="https://publications.waset.org/abstracts/search?q=Santi%20C.%20Pavone">Santi C. Pavone</a>, <a href="https://publications.waset.org/abstracts/search?q=Gino%20Sorbello"> Gino Sorbello</a>, <a href="https://publications.waset.org/abstracts/search?q=Loreto%20Di%20Donato"> Loreto Di Donato</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Pecoraro"> Roberta Pecoraro</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20V.%20Brundo"> Maria V. Brundo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, a rise in the use of wireless internet technologies such as Wi-Fi and 5G routers/modems have been demonstrated. These devices emit a considerable amount of electromagnetic radiation (EMR), which could interact with the male reproductive system either by thermal or non-thermal mechanisms. The aim of this study was to investigate the direct in vitro influence of 5G radiation on sperm quality in Mytilus galloprovincialis, considered an excellent model for reproduction studies. The experiments at 27 GHz were conducted by using a no commercial high gain pyramidal horn antenna. To evaluate the specific absorption rate (SAR), a numerical simulation has been performed. The resulting incident power density was significantly lower than the power density limit of 10 mW/cm2 set by the international guidelines as a limit for nonthermal effects above 6 GHz. However, regarding temperature measurements of the aqueous sample, it has been verified an increase of 0.2°C, compared to the control samples. This very low-temperature increase couldn’t interfere with experiments. For experiments, sperm samples taken from sexually mature males of Mytilus galloprovincialis were placed in artificial seawater, salinity 30 + 1% and pH 8.3 filtered with a 0.2 m filter. After evaluating the number and quality of spermatozoa, sperm cells were exposed to electromagnetic fields a 27GHz. The effect of exposure on sperm motility and quality was evaluated after 10, 20, 30 and 40 minutes with a light microscope and also using the Eosin test to verify the vitality of the gametes. All the samples were performed in triplicate and statistical analysis was carried out using one-way analysis of variance (ANOVA) with Turkey test for multiple comparations of means to determine differences of sperm motility. A significant decrease (30%) in sperm motility was observed after 10 minutes of exposure and after 30 minutes, all sperms were immobile and not vital. Due to little literature data about this topic, these results could be useful for further studies concerning a great diffusion of these new technologies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mussel" title="mussel">mussel</a>, <a href="https://publications.waset.org/abstracts/search?q=spermatozoa" title=" spermatozoa"> spermatozoa</a>, <a href="https://publications.waset.org/abstracts/search?q=sperm%20motility" title=" sperm motility"> sperm motility</a>, <a href="https://publications.waset.org/abstracts/search?q=millimeter%20waves" title=" millimeter waves"> millimeter waves</a> </p> <a href="https://publications.waset.org/abstracts/144210/effect-of-electromagnetic-fields-at-27-ghz-on-sperm-quality-of-mytilus-galloprovincialis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144210.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Noninvasive Technique for Measurement of Heartbeat in Zebrafish Embryos Exposed to Electromagnetic Fields at 27 GHz</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sara%20Ignoto">Sara Ignoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20M.%20Scalisi"> Elena M. Scalisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmen%20Sica"> Carmen Sica</a>, <a href="https://publications.waset.org/abstracts/search?q=Martina%20Contino"> Martina Contino</a>, <a href="https://publications.waset.org/abstracts/search?q=Greta%20Ferruggia"> Greta Ferruggia</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Salvaggio"> Antonio Salvaggio</a>, <a href="https://publications.waset.org/abstracts/search?q=Santi%20C.%20Pavone"> Santi C. Pavone</a>, <a href="https://publications.waset.org/abstracts/search?q=Gino%20Sorbello"> Gino Sorbello</a>, <a href="https://publications.waset.org/abstracts/search?q=Loreto%20Di%20Donato"> Loreto Di Donato</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Pecoraro"> Roberta Pecoraro</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20V.%20Brundo"> Maria V. Brundo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The new fifth generation technology (5G), which should favor high data-rate connections (1Gbps) and latency times lower than the current ones (<1ms), has the characteristic of working on different frequency bands of the radio wave spectrum (700 MHz, 3.6-3.8 GHz and 26.5-27.5 GHz), thus also exploiting higher frequencies than previous mobile radio generations (1G-4G). The higher frequency waves, however, have a lower capacity to propagate in free space and therefore, in order to guarantee the capillary coverage of the territory for high reliability applications, it will be necessary to install a large number of repeaters. Following the introduction of this new technology, there has been growing concern in recent years about the possible harmful effects on human health and several studies were published using several animal models. This study aimed to observe the possible short-term effects induced by 5G-millimeter waves on heartbeat of early life stages of Danio rerio using DanioScope software (Noldus). DanioScope is the complete toolbox for measurements on zebrafish embryos and larvae. The effect of substances can be measured on the developing zebrafish embryo by a range of parameters: earliest activity of the embryo’s tail, activity of the developing heart, speed of blood flowing through the vein, length and diameters of body parts. Activity measurements, cardiovascular data, blood flow data and morphometric parameters can be combined in one single tool. Obtained data are elaborate and provided by the software both numerical as well as graphical. The experiments were performed at 27 GHz by a no commercial high gain pyramidal horn antenna. According to OECD guidelines, exposure to 5G-millimeter waves was tested by fish embryo toxicity test within 96 hours post fertilization, Observations were recorded every 24h, until the end of the short-term test (96h). The results have showed an increase of heartbeat rate on exposed embryos at 48h hpf than control group, but this increase has not been shown at 72-96 h hpf. Nowadays, there is a scant of literature data about this topic, so these results could be useful to approach new studies and also to evaluate potential cardiotoxic effects of mobile radiofrequency. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Danio%20rerio" title="Danio rerio">Danio rerio</a>, <a href="https://publications.waset.org/abstracts/search?q=DanioScope" title=" DanioScope"> DanioScope</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiotoxicity" title=" cardiotoxicity"> cardiotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=millimeter%20waves." title=" millimeter waves."> millimeter waves.</a> </p> <a href="https://publications.waset.org/abstracts/144206/noninvasive-technique-for-measurement-of-heartbeat-in-zebrafish-embryos-exposed-to-electromagnetic-fields-at-27-ghz" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144206.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> In Vivo Evaluation of Exposure to Electromagnetic Fields at 27 GHz (5G) of Danio Rerio: A Preliminary Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20Maria%20Scalisi">Elena Maria Scalisi</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20%20Pecoraro"> Roberta Pecoraro</a>, <a href="https://publications.waset.org/abstracts/search?q=Martina%20Contino"> Martina Contino</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Ignoto"> Sara Ignoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmelo%20Iaria"> Carmelo Iaria</a>, <a href="https://publications.waset.org/abstracts/search?q=Santi%20Concetto%20Pavone"> Santi Concetto Pavone</a>, <a href="https://publications.waset.org/abstracts/search?q=Gino%20Sorbello"> Gino Sorbello</a>, <a href="https://publications.waset.org/abstracts/search?q=Loreto%20Di%20Donato"> Loreto Di Donato</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Violetta%20Brundo"> Maria Violetta Brundo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 5G Technology is evolving to satisfy a variety of service requirements that may allow high data-rate connections (1Gbps) and lower latency times than current (<1ms). In order to support a high data transmission speed and a high traffic service for eMBB (enhanced mobile broadband) use cases, 5G systems have the characteristic of using different frequency bands of the radio wave spectrum (700 MHz, 3.6-3.8 GHz and 26.5-27.5 GHz), thus taking advantage of higher frequencies than previous mobile radio generations (1G-4G). However, waves at higher frequencies have a lower capacity to propagate in free space and therefore, in order to guarantee the capillary coverage of the territory for high reliability applications, it will be necessary to install a large number of repeaters. Following the introduction of this new technology, there has been growing concern over the past few months about possible harmful effects on human health. The aim of this preliminary study is to evaluate possible short term effects induced by 5G-millimeter waves on embryonic development and early life stages of Danio rerio by Z-FET. We exposed developing zebrafish at frequency of 27 GHz, with a standard pyramidal horn antenna placed at 15 cm far from the samples holder ensuring an incident power density of 10 mW/cm2. During the exposure cycle, from 6 h post fertilization (hpf) to 96 hpf, we measured a different morphological endpoints every 24 hours. Zebrafish embryo toxicity test (Z-FET) is a short term test, carried out on fertilized eggs of zebrafish and it represents an effective alternative to acute test with adult fish (OECD, 2013). We have observed that 5G did not reveal significant impacts on mortality nor on morphology because exposed larvae showed a normal detachment of the tail, presence of heartbeat, well-organized somites, therefore hatching rate was lower than untreated larvae even at 48 h of exposure. Moreover, the immunohistochemical analysis performed on larvae showed a negativity to the HSP-70 expression used as a biomarkers. This is a preliminary study on evaluation of potential toxicity induced by 5G and it seems appropriate to underline the importance that further studies would take, aimed at clarifying the probable real risk of exposure to electromagnetic fields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Biomarker%20of%20exposure" title="Biomarker of exposure">Biomarker of exposure</a>, <a href="https://publications.waset.org/abstracts/search?q=embryonic%20development" title=" embryonic development"> embryonic development</a>, <a href="https://publications.waset.org/abstracts/search?q=5G%20waves" title=" 5G waves"> 5G waves</a>, <a href="https://publications.waset.org/abstracts/search?q=zebrafish%20embryo%20toxicity%20test" title=" zebrafish embryo toxicity test"> zebrafish embryo toxicity test</a> </p> <a href="https://publications.waset.org/abstracts/129179/in-vivo-evaluation-of-exposure-to-electromagnetic-fields-at-27-ghz-5g-of-danio-rerio-a-preliminary-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129179.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">129</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Electronic Mentoring: How Can It Be Used with Teachers?</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Gentry">Roberta Gentry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electronic mentoring is defined as a relationship between a mentor and a mentee using computer mediated communication (CMC) that is intended to develop and improve mentee’s skills, confidence, and cultural understanding. This session will increase knowledge about electronic mentoring, its uses, and outcomes. The research behind electronic mentoring and descriptions of existing programs will also be shared. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electronic%20mentoring" title="electronic mentoring">electronic mentoring</a>, <a href="https://publications.waset.org/abstracts/search?q=mentoring" title=" mentoring"> mentoring</a>, <a href="https://publications.waset.org/abstracts/search?q=beginning%20special%20educators" title=" beginning special educators"> beginning special educators</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a> </p> <a href="https://publications.waset.org/abstracts/2667/electronic-mentoring-how-can-it-be-used-with-teachers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2667.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">253</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Toxicity Evaluation of Reduced Graphene Oxide on First Larval Stages of Artemia sp.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Pecoraro">Roberta Pecoraro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The focus of this work was to investigate the potential toxic effect of titanium dioxide-reduced graphene oxide (TiO₂-rGO) nanocomposites on nauplii of microcrustacean Artemia sp. In order to assess the nanocomposite’s toxicity, a short-term test was performed by exposing nauplii to solutions containing TiO₂-rGO. To prepare titanium dioxide-reduced graphene oxide (TiO₂-rGO) nanocomposites, a green procedure based on solar photoreduction was proposed; it allows to obtain the photocatalysts by exploiting the photocatalytic properties of titania activated by the solar irradiation in order to avoid the high temperatures and pressures required for the standard hydrothermal synthesis. Powders of TiO₂-rGO supplied by the Department of Chemical Sciences (University of Catania) are indicated as TiO₂-rGO at 1% and TiO₂-rGO at 2%. Starting from a stock solution (1mg rGO-TiO₂/10 ml ASPM water) of each type, we tested four different concentrations (serial dilutions ranging from 10⁻¹ to 10⁻⁴ mg/ml). All the solutions have been sonicated for 12 min prior to use. Artificial seawater (called ASPM water) was prepared to guarantee the hatching of the cysts and to maintain nauplii; the durable cysts used in this study, marketed by JBL (JBL GmbH & Co. KG, Germany), were hydrated with ASPM water to obtain nauplii (instar II-III larvae). The hatching of the cysts was carried out in the laboratory by immersing them in ASPM water inside a 500 ml beaker and keeping them constantly oxygenated thanks to an aerator for the insufflation of microbubble air: after 24-48 hours, the cysts hatched, and the nauplii appeared. The nauplii in the second and third stages of development were collected one-to-one, using stereomicroscopes, and transferred into 96-well microplates where one nauplius per well was added. The wells quickly have been filled with 300 µl of each specific concentration of the solution used, and control samples were incubated only with ASPM water. Replication was performed for each concentration. Finally, the microplates were placed on an orbital shaker, and the tests were read after 24 and 48 hours from inoculating the solutions to assess the endpoint (immobility/death) for the larvae. Nauplii that appeared motionless were counted as dead, and the percentages of mortality were calculated for each treatment. The results showed a low percentage of immobilization both for TiO₂-rGO at 1% and TiO₂-rGO at 2% for all concentrations tested: for TiO₂-rGO at 1% was below 12% after 24h and below 15% after 48h; for TiO₂-rGO at 2% was below 8% after 24h and below 12% after 48h. According to other studies in the literature, the results have not shown mortality nor toxic effects on the development of larvae after exposure to rGO. Finally, it is important to highlight that the TiO₂-rGO catalysts were tested in the solar photodegradation of a toxic herbicide (2,4-Dichlorophenoxyacetic acid, 2,4-D), obtaining a high percentage of degradation; therefore, this alternative approach could be considered a good strategy to obtain performing photocatalysts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nauplii" title="Nauplii">Nauplii</a>, <a href="https://publications.waset.org/abstracts/search?q=photocatalytic%20properties" title=" photocatalytic properties"> photocatalytic properties</a>, <a href="https://publications.waset.org/abstracts/search?q=reduced%20GO" title=" reduced GO"> reduced GO</a>, <a href="https://publications.waset.org/abstracts/search?q=short-term%20toxicity%20test" title=" short-term toxicity test"> short-term toxicity test</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium%20dioxide" title=" titanium dioxide"> titanium dioxide</a> </p> <a href="https://publications.waset.org/abstracts/140527/toxicity-evaluation-of-reduced-graphene-oxide-on-first-larval-stages-of-artemia-sp" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140527.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">183</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">42</span> Using a Simulated Learning Environment to Teach Pre-Service Special Educators Behavior Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Gentry">Roberta Gentry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A mixed methods study that examined candidate’s perceptions of the use of computerized simulation as an effective tool to learn classroom management will be presented. The development, implementation, and assessment of the simulation and candidate data on the feasibility of the approach in comparison to other methods will be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavior%20management" title="behavior management">behavior management</a>, <a href="https://publications.waset.org/abstracts/search?q=simulations" title=" simulations"> simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%0D%0Apreparation" title=" teacher preparation"> teacher preparation</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20education" title=" teacher education"> teacher education</a> </p> <a href="https://publications.waset.org/abstracts/22933/using-a-simulated-learning-environment-to-teach-pre-service-special-educators-behavior-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22933.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">402</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Evaluation of Toxicity of Cerium Oxide on Zebrafish Developmental Stages </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Pecoraro">Roberta Pecoraro</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Maria%20Scalisi"> Elena Maria Scalisi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Engineered Nanoparticles (ENPs) and Nanomaterials (ENMs) concern an active research area and a sector in full expansion. They have physical-chemical characteristics and small size that improve their performance compared to common materials. Due to the increase in their production and their subsequent release into the environment, new strategies are emerging to assess risk of nanomaterials. NPs can be released into the environment through aquatic systems by human activities and exert toxicity on living organisms. We evaluated the potential toxic effect of cerium oxide (CeO2) nanoparticles because it’s used in different fields due to its peculiar properties. In order to assess nanoparticles toxicity, Fish Embryo Toxicity (FET) test was performed. Powders of CeO2 NPs supplied by the CNR-IMM of Catania are indicated as CeO2 type 1 (as-prepared) and CeO2 type 2 (modified), while CeO2 type 3 (commercial) is supplied by Sigma-Aldrich. Starting from a stock solution (0.001g/10 ml dilution water) of each type of CeO2 NPs, the other concentration solutions were obtained adding 1 ml of the stock solution to 9 ml of dilution water, leading to three different solutions of concentration (10-4, 10-5, 10-6 g/ml). All the solutions have been sonicated to avoid natural tendency of NPs to aggregate and sediment. FET test was performed according to the OECD guidelines for testing chemicals using our internal protocol procedure. A number of eight selected fertilized eggs were placed in each becher filled with 5 ml of each concentration of the three types of CeO2 NPs; control samples were incubated only with dilution water. Replication was performed for each concentration. During the exposure period, we observed four endpoints (embryo coagulation, lack of formation of somites, failure to lift the yolk bag, no heartbeat) by a stereomicroscope every 24 hours. Immunohistochemical analysis on treated larvae was performed to evaluate the expression of metallothioneins (MTs), Heat Shock Proteins 70 (HSP70) and 7-ethoxyresorufin-O-diethylase (EROD). Our results have not shown evident alterations on embryonic development because all embryos completed the development and the hatching of the eggs, started around the 48th hour after exposure, took place within the last observation at 72 hours. A good reactivity, both in the embryos and in the newly hatched larvae, was found. The presence of heartbeat has also been observed in embryos with reduced mobility confirming their viability. A higher expression of EROD biomarker was observed in the larvae exposed to the three types of CeO2, showing a clear difference with the control. A weak positivity was found for MTs biomarker in treated larvae as well as in the control. HSP70 are expressed homogeneously in all the type of nanoparticles tested but not too much greater than control. Our results are in agreement with other studies in the literature, in which the exposure of Danio rerio larvae to other metal oxide nanoparticles does not show adverse effects on survival and hatching time. Further studies are necessary to clarify the role of these NPs and also to solve conflicting opinions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Danio%20rerio" title="Danio rerio">Danio rerio</a>, <a href="https://publications.waset.org/abstracts/search?q=endpoints" title=" endpoints"> endpoints</a>, <a href="https://publications.waset.org/abstracts/search?q=fish%20embryo%20toxicity%20test" title=" fish embryo toxicity test"> fish embryo toxicity test</a>, <a href="https://publications.waset.org/abstracts/search?q=metallic%20nanoparticles" title=" metallic nanoparticles"> metallic nanoparticles</a> </p> <a href="https://publications.waset.org/abstracts/129180/evaluation-of-toxicity-of-cerium-oxide-on-zebrafish-developmental-stages" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129180.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Using Computer Simulations to Prepare Teachers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Gentry">Roberta Gentry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The presentation will begin with a brief literature review of the use of computer simulation in teacher education programs. This information will be summarized. Additionally, based on the literature review, advantages and disadvantages of using computer simulation in higher education will be shared. Finally, a study in which computer simulations software was used with 50 initial licensure teacher candidates in both an introductory course and a behavior management course will be shared. Candidates reflected on their experiences with using computer simulation. The instructor of the course will also share lessons learned. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=simulations" title="simulations">simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20education" title=" teacher education"> teacher education</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20preparation" title=" teacher preparation"> teacher preparation</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20research" title=" educational research"> educational research</a> </p> <a href="https://publications.waset.org/abstracts/22934/using-computer-simulations-to-prepare-teachers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22934.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">650</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Sponsorship Strategy, Its Visibility, and Return: A Case Study on Brazilian Olympic Games</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elizabeth%20F.%20Rodrigues">Elizabeth F. Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Julia%20da%20R.%20Mattos"> Julia da R. Mattos</a>, <a href="https://publications.waset.org/abstracts/search?q=Naira%20Q.%20Leit%C3%A3o"> Naira Q. Leitão</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20T.%20da%20Cunha"> Roberta T. da Cunha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The business strategy of many companies has two factors in common: the search for the competitive edge and its long term maintenance. The thing that differentiates the companies’ performance in their abilities to set the right strategy, which depends on their capacity to analyze and apply all sort of management support tools. In this context, the sponsorship of events stands out as an important way to increase brand awareness, especially when it is a worldwide event, such as Rio 2016 Olympic and Paralympic Games. This paper will present the case of a car maker company, which chose to invest on sponsorship as a way to reach its goals and grow in the brazilian market. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strategy" title="strategy">strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=sponsorship" title=" sponsorship"> sponsorship</a>, <a href="https://publications.waset.org/abstracts/search?q=events" title=" events"> events</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a> </p> <a href="https://publications.waset.org/abstracts/23017/sponsorship-strategy-its-visibility-and-return-a-case-study-on-brazilian-olympic-games" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23017.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">497</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> A New Gateway for Rheumatoid Arthritis: COXIBs with a Safety Cardiovascular Profile</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Malvina%20Hoxha">Malvina Hoxha</a>, <a href="https://publications.waset.org/abstracts/search?q=Valerie%20Capra"> Valerie Capra</a>, <a href="https://publications.waset.org/abstracts/search?q=Carola%20Buccellati"> Carola Buccellati</a>, <a href="https://publications.waset.org/abstracts/search?q=Angelo%20Sala"> Angelo Sala</a>, <a href="https://publications.waset.org/abstracts/search?q=Clara%20Cena"> Clara Cena</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Fruttero"> Roberta Fruttero</a>, <a href="https://publications.waset.org/abstracts/search?q=Massimo%20Bertinaria"> Massimo Bertinaria</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Enrico%20Rovati"> G. Enrico Rovati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today COXIBs are used in the treatment of arthritis and many other painful conditions in selected patients with high gastrointestinal risk and low CV risk. Previously we found a new mechanism of action of a traditional NSAID (diclofenac) and a COXIB (lumiracoxib) that possess weak competitive antagonism at the TP receptor. We hypothesize that modifying the structure of a known specific inhibitor of cyclooxygenase-2 (COXIB), so that it becomes also a more potent thromboxane antagonist will preserve the anti-inflammatory and gastrointestinal safety typical of COXIBs and prevent the cardiovascular risk associated with long term therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyclooxygenase" title="cyclooxygenase">cyclooxygenase</a>, <a href="https://publications.waset.org/abstracts/search?q=inflammation" title=" inflammation"> inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=lumiracoxib" title=" lumiracoxib"> lumiracoxib</a>, <a href="https://publications.waset.org/abstracts/search?q=thromboxane%20A2" title=" thromboxane A2"> thromboxane A2</a> </p> <a href="https://publications.waset.org/abstracts/7806/a-new-gateway-for-rheumatoid-arthritis-coxibs-with-a-safety-cardiovascular-profile" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7806.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">301</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> F-IVT Actuation System to Power Artificial Knee Joint</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Al%C3%B2%20Roberta">Alò Roberta</a>, <a href="https://publications.waset.org/abstracts/search?q=Bottiglione%20Francesco"> Bottiglione Francesco</a>, <a href="https://publications.waset.org/abstracts/search?q=Mantriota%20Giacomo"> Mantriota Giacomo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The efficiency of the actuation system of lower limb exoskeletons and of active orthoses is a significant aspect of the design of such devices because it affects their efficacy. F-IVT is an innovative actuation system to power artificial knee joint with energy recovery capabilities. Its key and non-conventional elements are a flywheel, that acts as a mechanical energy storage system, and an Infinitely Variable Transmission (IVT). The design of the F-IVT can be optimized for a certain walking condition, resulting in a heavy reduction of both the electric energy consumption and of the electric peak power. In this work, by means of simulations of level ground walking at different speeds, it is demonstrated how F-IVT is still an advantageous actuator, even when it does not work in nominal conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20orthoses" title="active orthoses">active orthoses</a>, <a href="https://publications.waset.org/abstracts/search?q=actuators" title=" actuators"> actuators</a>, <a href="https://publications.waset.org/abstracts/search?q=lower%20extremity%20exoskeletons" title=" lower extremity exoskeletons"> lower extremity exoskeletons</a>, <a href="https://publications.waset.org/abstracts/search?q=knee%20joint" title=" knee joint"> knee joint</a> </p> <a href="https://publications.waset.org/abstracts/19855/f-ivt-actuation-system-to-power-artificial-knee-joint" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19855.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">601</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> A3 Strategy Deployment: A Case Study Applied to a City Government Department for Healthcare in Brazil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samuel%20Bonato">Samuel Bonato</a>, <a href="https://publications.waset.org/abstracts/search?q=Cineia%20Santos"> Cineia Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Leite"> Roberta Leite</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20Ten%20Caten"> Carla Ten Caten</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to apply the A3 strategy deployment in a local department for healthcare. As a literature review, it was evaluated articles related to the period 2009 - 2018, considering the key-words A3, healthcare, public services and strategy deployment. The methodology used was action research, involving all the actors inside the secretary, beginning with the top management and deploying it through meetings and evaluation conferences with the participation of all secretary coordination. As main results, it is possible to highlight the development of 8 A3, one as the "mother A3" and 7 as "son A3", each one related to each coordination. In each A3, past results, new goals, new projects to achieve these goals and control deadlines were defined and implemented to a management strategy. In addition to this result, this paper is planning to present the use of this A3 during 6 months in 2019. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=A3%20Strategy" title="A3 Strategy">A3 Strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=strategy%20deployment" title=" strategy deployment"> strategy deployment</a>, <a href="https://publications.waset.org/abstracts/search?q=healthcare" title=" healthcare"> healthcare</a>, <a href="https://publications.waset.org/abstracts/search?q=Public%20services" title=" Public services"> Public services</a> </p> <a href="https://publications.waset.org/abstracts/105041/a3-strategy-deployment-a-case-study-applied-to-a-city-government-department-for-healthcare-in-brazil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105041.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Synthesis of Novel Uracil Non-nucleosides Analogues of the Reverse Transcriptase Inhibitors Emivirine and TNK-651 </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nasser%20R.%20El-Brollosy">Nasser R. El-Brollosy</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Loddo"> Roberta Loddo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 6-Benzyl-1-(ethoxymethyl)-5-isopropyluracil (Emivirine) and its corresponding 1-benzyloxymethyl analogue (TNK-651) showed high activity against HIV-1. The present study describes synthesis of novel emivirine analogues by reaction of chloromethyl ethyl ether with uracils having 5-ethyl / isopropyl and 6-(3,5-dimethoxybenzyl) substituents. A series of new TNK-651 analogues substituted at N-1 with phenoxyethoxymethyl moiety was prepared on treatment of the corresponding uracils with bis(phenoxyethoxy) methane. The newly synthesized non-nucleosides were tested for biological activity against wild type HIV-1 IIIB as well as the resistant strains N119 (Y181C), A17 (K103N + Y181C), and the triple mutant EFVR (K103R + V179D + P225H) in MT-4 cells. Some of the tested compounds showed good activities. Among them 6-(3,5-dimethylbenzyl)-5-ethyl-1-[2-(phenoxyethyl) oxymethyl]uracil which showed inhibitory potency higher than emivirine against both wild type HIV-1 and the tested mutant strains. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emivirine" title="Emivirine">Emivirine</a>, <a href="https://publications.waset.org/abstracts/search?q=HIV" title=" HIV"> HIV</a>, <a href="https://publications.waset.org/abstracts/search?q=non-nucleoside%20reverse%20transcriptase" title=" non-nucleoside reverse transcriptase"> non-nucleoside reverse transcriptase</a>, <a href="https://publications.waset.org/abstracts/search?q=uracils" title=" uracils"> uracils</a> </p> <a href="https://publications.waset.org/abstracts/27256/synthesis-of-novel-uracil-non-nucleosides-analogues-of-the-reverse-transcriptase-inhibitors-emivirine-and-tnk-651" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27256.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">266</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Biodegradation Behavior of Cellulose Acetate with DS 2.5 in Simulated Soil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Ranielle%20M.%20de%20Freitas">Roberta Ranielle M. de Freitas</a>, <a href="https://publications.waset.org/abstracts/search?q=Vagner%20R.%20Botaro"> Vagner R. Botaro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The relationship between biodegradation and mechanical behavior is fundamental for studies of the application of cellulose acetate films as a possible material for biodegradable packaging. In this work, the biodegradation of cellulose acetate (CA) with DS 2.5 was analyzed in simulated soil. CA films were prepared by casting and buried in the simulated soil. Samples were taken monthly and analyzed, the total time of biodegradation was 6 months. To characterize the biodegradable CA, the DMA technique was employed. The main result showed that the time of exposure to the simulated soil affects the mechanical properties of the films and the values of crystallinity. By DMA analysis, it was possible to conclude that as the CA is biodegraded, its mechanical properties were altered, for example, storage modulus has increased with biodegradation and the modulus of loss has decreased. Analyzes of DSC, XRD, and FTIR were also carried out to characterize the biodegradation of CA, which corroborated with the results of DMA. The observation of the carbonyl band by FTIR and crystalline indices obtained by XRD were important to evaluate the degradation of CA during the exposure time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodegradation" title="biodegradation">biodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulose%20acetate" title=" cellulose acetate"> cellulose acetate</a>, <a href="https://publications.waset.org/abstracts/search?q=DMA" title=" DMA"> DMA</a>, <a href="https://publications.waset.org/abstracts/search?q=simulated%20soil" title=" simulated soil"> simulated soil</a> </p> <a href="https://publications.waset.org/abstracts/81480/biodegradation-behavior-of-cellulose-acetate-with-ds-25-in-simulated-soil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">218</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Phase Diagrams and Liquid-Liquid Extraction in Aqueous Biphasic Systems Formed by Polyethylene Glycol and Potassium Sodium Tartrate at 303.15 K</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Cristina%20de%20Oliveira">Amanda Cristina de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Elias%20de%20Souza%20Monteiro%20Filho"> Elias de Souza Monteiro Filho</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Ceriani"> Roberta Ceriani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Liquid-liquid extraction in aqueous two-phase systems (ATPSs) constitutes a powerful tool for purifying bio-materials, such as cells, organelles, proteins, among others. In this work, the extraction of the bovine serum albumin (BSA) has been studied in systems formed by polyethylene glycol (PEG) (1500, 4000, and 6000 g.mol⁻¹) + potassium sodium tartrate + water at 303.15°K. Phase diagrams were obtained by turbidimetry and Merchuk’s method (1998). The experimental tie-lines were described using the Othmer-Tobias and Bancroft correlations. ATPSs were correlated with the nonrandom two-liquid (NRTL) model. The results were considered excellent according to global root-mean-square deviations found which were between 0,72 and 1,13%. The concentrations of the proteins in each phase were determined by spectrophotometry at 280 nm, finding partition efficiencies greater than 71%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aqueous%20two%20phases%20systems" title="aqueous two phases systems">aqueous two phases systems</a>, <a href="https://publications.waset.org/abstracts/search?q=bovine%20serum%20albumin" title=" bovine serum albumin "> bovine serum albumin </a>, <a href="https://publications.waset.org/abstracts/search?q=liquid-liquid%20extraction" title=" liquid-liquid extraction"> liquid-liquid extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=polyethylene%20glycol" title=" polyethylene glycol"> polyethylene glycol</a> </p> <a href="https://publications.waset.org/abstracts/103304/phase-diagrams-and-liquid-liquid-extraction-in-aqueous-biphasic-systems-formed-by-polyethylene-glycol-and-potassium-sodium-tartrate-at-30315-k" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103304.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">158</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> How to Improve Teaching and Learning Strategies Through Educational Research. An Experience of Peer Observation in Legal Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luigina%20Mortari">Luigina Mortari</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessia%20Bevilacqua"> Alessia Bevilacqua</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Silva"> Roberta Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experience presented in this paper aims to understand how educational research can support the introduction and optimization of teaching innovations in legal education. In this increasingly complex context, a strong need to introduce paths aimed at acquiring not only professional knowledge and skills but also transversal such as reflective, critical, and problem-solving skills emerges. Through a peer observation intertwined with an analysis of discursive practices, researchers and the teacher worked together through a process of participatory and transformative accompaniment whose objective was to promote the active participation and engagement of students in learning processes, an element indispensable to work in the more specific direction of strengthening key competences. This reflective faculty development path led the teacher to activate metacognitive processes, becoming thus aware of the strengths and areas of improvement of his teaching innovation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=legal%20education" title="legal education">legal education</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20innovation" title=" teaching innovation"> teaching innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=peer%20observation" title=" peer observation"> peer observation</a>, <a href="https://publications.waset.org/abstracts/search?q=discursive%20analysis" title=" discursive analysis"> discursive analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=faculty%20development" title=" faculty development"> faculty development</a> </p> <a href="https://publications.waset.org/abstracts/144823/how-to-improve-teaching-and-learning-strategies-through-educational-research-an-experience-of-peer-observation-in-legal-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144823.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">167</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Effect of Chain Length on Skeletonema pseudocostatum as Probed by THz Spectroscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruqyyah%20Mushtaq">Ruqyyah Mushtaq</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiacar%20Gamberdella"> Chiacar Gamberdella</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Miroglio"> Roberta Miroglio</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabio%20Novelli"> Fabio Novelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Domenica%20Papro"> Domenica Papro</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Paturzo"> M. Paturzo</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Rubano"> A. Rubano</a>, <a href="https://publications.waset.org/abstracts/search?q=Angela%20Sardo"> Angela Sardo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microalgae, particularly diatoms, are well suited for monitoring environmental health, especially in assessing the quality of seas and rivers in terms of organic matter, nutrients, and heavy metal pollution. They respond rapidly to changes in habitat quality. In this study, we focused on Skeletonema pseudocostatum, a unicellular alga that forms chains depending on environmental conditions. Specifically, we explored whether metal toxicants could affect the growth of these algal chains, potentially serving as an ecotoxicological indicator of heavy metal pollution. We utilized THz spectroscopy in conjunction with standard optical microscopy to observe the formation of these chains and their response to toxicants. Despite the strong absorption of terahertz radiation in water, we demonstrate that changes in water absorption in the terahertz range due to water-diatom interaction can provide insights into diatom chain length. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=THz-TDS%20spectroscopy" title="THz-TDS spectroscopy">THz-TDS spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=diatoms" title=" diatoms"> diatoms</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20ecotoxicology" title=" marine ecotoxicology"> marine ecotoxicology</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20pollution" title=" marine pollution"> marine pollution</a> </p> <a href="https://publications.waset.org/abstracts/188473/effect-of-chain-length-on-skeletonema-pseudocostatum-as-probed-by-thz-spectroscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188473.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">31</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Semantic Textual Similarity on Contracts: Exploring Multiple Negative Ranking Losses for Sentence Transformers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yogendra%20Sisodia">Yogendra Sisodia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Researchers are becoming more interested in extracting useful information from legal documents thanks to the development of large-scale language models in natural language processing (NLP), and deep learning has accelerated the creation of powerful text mining models. Legal fields like contracts benefit greatly from semantic text search since it makes it quick and easy to find related clauses. After collecting sentence embeddings, it is relatively simple to locate sentences with a comparable meaning throughout the entire legal corpus. The author of this research investigated two pre-trained language models for this task: MiniLM and Roberta, and further fine-tuned them on Legal Contracts. The author used Multiple Negative Ranking Loss for the creation of sentence transformers. The fine-tuned language models and sentence transformers showed promising results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=legal%20contracts" title="legal contracts">legal contracts</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20negative%20ranking%20loss" title=" multiple negative ranking loss"> multiple negative ranking loss</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20language%20inference" title=" natural language inference"> natural language inference</a>, <a href="https://publications.waset.org/abstracts/search?q=sentence%20transformers" title=" sentence transformers"> sentence transformers</a>, <a href="https://publications.waset.org/abstracts/search?q=semantic%20textual%20similarity" title=" semantic textual similarity"> semantic textual similarity</a> </p> <a href="https://publications.waset.org/abstracts/156624/semantic-textual-similarity-on-contracts-exploring-multiple-negative-ranking-losses-for-sentence-transformers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156624.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Association between Bottle-Feeding Habit and Occlusal Disorders in Children 4-6 Years Old</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20S.%20Ilinsky">Roberta S. Ilinsky</a>, <a href="https://publications.waset.org/abstracts/search?q=Livia%20Eisler"> Livia Eisler</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Mota"> Gustavo Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Kurt%20Faltin%20Jr."> Kurt Faltin Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Lucia%20Feij%C3%B3%20Ortolani"> Cristina Lucia Feijó Ortolani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the present study was to evaluate the presence of occlusal disorders associated with bottle feeding habits in children aged 4-6 years old. A cross-sectional study was performed in a sample of 466 preschool children aged 4-6 years, attending state preschools in the city of Sao Paulo, Brazil. Parents and caregivers answered a questionnaire about children’s oral habits, including bottle-feeding habit, and signed the Informed Consent form. The students underwent an oral examination to evaluate occlusal disorders. Data were analyzed by the SPSS 2.2 program (IBM, USA) and treated with non-parametric chi-square tests and multiple logistic regression with a significance level of p < 0.05. There was association between bottle-feeding and occlusal disorders (OR = 3.058, 95% CI = 1.561-5.991, PI < 0.001), with a higher significance for anterior open bite (OR = 2.855, 95% CI = 1.769-4.606, PI < 0.001) and canine class II (OR = 0.667, 95% CI = 0.449-0.990, PI < 0.045). There was no relationship between bottle-feeding habit and other occlusal disorders examined. It was possible to conclude that children who were bottle fed during childhood are more likely to develop occlusal disorders, especially anterior open bite and canine class II. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anterior%20open-bite" title="anterior open-bite">anterior open-bite</a>, <a href="https://publications.waset.org/abstracts/search?q=bottle-feeding" title=" bottle-feeding"> bottle-feeding</a>, <a href="https://publications.waset.org/abstracts/search?q=habits" title=" habits"> habits</a>, <a href="https://publications.waset.org/abstracts/search?q=malocclusion" title=" malocclusion"> malocclusion</a> </p> <a href="https://publications.waset.org/abstracts/96822/association-between-bottle-feeding-habit-and-occlusal-disorders-in-children-4-6-years-old" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96822.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">178</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Surface Sediment Quality Assessment in a Coastal Lagoon (NW Adriatic Sea) Based on SEM-AVS Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Guerra">Roberta Guerra</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Pablo%20Pozo%20Hernandez"> Juan Pablo Pozo Hernandez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Surface sediments from the coastal lagoon of Pialassa Piomboni in the NW Adriatic Sea were collected and analysed and the potential ecological risks in the area were assessed based on the acid-volatile sulphide (AVS) model. The AVS levels are between 0.03 and 8.8 µmol g-1, with the average at 3.1 µmol g-1. The simultaneously extracted metals (∑SEM), which is the molar sum of Cd, Cu, Ni, Pb, and Zn, range from 0.3 to 6.6 µmol g-1, with the average at 1.7 µmol g-1. Most of the high ∑SEM concentrations are located in the southern area of the lagoon. [SEM]Zn had the comparatively high mean concentration (1.4 µmol g-1), and a maximum value of 6.1 µmol g-1, respectively. Concentrations of [SEM]Cd, [SEM]Cu, [SEM]Ni, and [SEM]Pb were consistently lower, with maximum values of 0.007 µmol g-1, 1.4 µmol g-1, 0.3 µmol g-1 and 0.2 µmol g-1, respectively. Compared to other metals, [SEM]Zn was the dominant component in all samples and accounted for approximately 31 - 93% of the ∑SEM, whereas the contribution of Cd – the most toxic metal studied – to ∑SEM was no more than 1%. According to the USEPA evaluation method, the sediment samples can be divided into the three following categories: category 1, adverse biological effects on aquatic life may be expected when ([SEM]–[AVS])/fOC > 3000; category 2, adverse effects on aquatic life are uncertain when ([SEM]–[AVS])/fOC = 130 to 3,000; and category 3, no indication of adverse effects when ([SEM]–[AVS])/fOC < 130. Most of the surface sediments of the Pialassa Piomboni lagoon (>90%) had no adverse biological effects according to the criterion proposed by the USEPA; while adverse effects were uncertain in few stations (~2%). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sediment%20quality" title="sediment quality">sediment quality</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20lagoon" title=" coastal lagoon"> coastal lagoon</a>, <a href="https://publications.waset.org/abstracts/search?q=bioavailability" title=" bioavailability"> bioavailability</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=AVS" title=" AVS "> AVS </a> </p> <a href="https://publications.waset.org/abstracts/13653/surface-sediment-quality-assessment-in-a-coastal-lagoon-nw-adriatic-sea-based-on-sem-avs-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13653.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">405</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> A Machine Learning Approach for Anomaly Detection in Environmental IoT-Driven Wastewater Purification Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanni%20Cicceri">Giovanni Cicceri</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Maisano"> Roberta Maisano</a>, <a href="https://publications.waset.org/abstracts/search?q=Nathalie%20Morey"> Nathalie Morey</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvatore%20Distefano"> Salvatore Distefano</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main goal of this paper is to present a solution for a water purification system based on an Environmental Internet of Things (EIoT) platform to monitor and control water quality and machine learning (ML) models to support decision making and speed up the processes of purification of water. A real case study has been implemented by deploying an EIoT platform and a network of devices, called Gramb meters and belonging to the Gramb project, on wastewater purification systems located in Calabria, south of Italy. The data thus collected are used to control the wastewater quality, detect anomalies and predict the behaviour of the purification system. To this extent, three different statistical and machine learning models have been adopted and thus compared: Autoregressive Integrated Moving Average (ARIMA), Long Short Term Memory (LSTM) autoencoder, and Facebook Prophet (FP). The results demonstrated that the ML solution (LSTM) out-perform classical statistical approaches (ARIMA, FP), in terms of both accuracy, efficiency and effectiveness in monitoring and controlling the wastewater purification processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20internet%20of%20things" title="environmental internet of things">environmental internet of things</a>, <a href="https://publications.waset.org/abstracts/search?q=EIoT" title=" EIoT"> EIoT</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=anomaly%20detection" title=" anomaly detection"> anomaly detection</a>, <a href="https://publications.waset.org/abstracts/search?q=environment%20monitoring" title=" environment monitoring"> environment monitoring</a> </p> <a href="https://publications.waset.org/abstracts/130838/a-machine-learning-approach-for-anomaly-detection-in-environmental-iot-driven-wastewater-purification-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130838.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Probing Language Models for Multiple Linguistic Information</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bowen%20Ding">Bowen Ding</a>, <a href="https://publications.waset.org/abstracts/search?q=Yihao%20Kuang"> Yihao Kuang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, large-scale pre-trained language models have achieved state-of-the-art performance on a variety of natural language processing tasks. The word vectors produced by these language models can be viewed as dense encoded presentations of natural language that in text form. However, it is unknown how much linguistic information is encoded and how. In this paper, we construct several corresponding probing tasks for multiple linguistic information to clarify the encoding capabilities of different language models and performed a visual display. We firstly obtain word presentations in vector form from different language models, including BERT, ELMo, RoBERTa and GPT. Classifiers with a small scale of parameters and unsupervised tasks are then applied on these word vectors to discriminate their capability to encode corresponding linguistic information. The constructed probe tasks contain both semantic and syntactic aspects. The semantic aspect includes the ability of the model to understand semantic entities such as numbers, time, and characters, and the grammatical aspect includes the ability of the language model to understand grammatical structures such as dependency relationships and reference relationships. We also compare encoding capabilities of different layers in the same language model to infer how linguistic information is encoded in the model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=language%20models" title="language models">language models</a>, <a href="https://publications.waset.org/abstracts/search?q=probing%20task" title=" probing task"> probing task</a>, <a href="https://publications.waset.org/abstracts/search?q=text%20presentation" title=" text presentation"> text presentation</a>, <a href="https://publications.waset.org/abstracts/search?q=linguistic%20information" title=" linguistic information"> linguistic information</a> </p> <a href="https://publications.waset.org/abstracts/168840/probing-language-models-for-multiple-linguistic-information" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168840.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">110</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Extraction of M. paradisiaca L. Inflorescences Using Compressed Propane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michele%20C.%20Mesomo">Michele C. Mesomo</a>, <a href="https://publications.waset.org/abstracts/search?q=Madeline%20de%20Souza%20Correa"> Madeline de Souza Correa</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20L.%20Kruger"> Roberta L. Kruger</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20R.%20S.%20Kanda"> Luis R. S. Kanda</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcos%20L.%20Corazza"> Marcos L. Corazza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural extracts of plants have been used for many years for different purposes and recently they have been screened for their potential use as alternative remedies and food preservatives. Inflorescences of M. paradisiaca L., also known as the heart of the banana, have great economic interest due to its fruit. All parts of the banana are used for many different purposes, including use in folk medicine. The use of extraction via supercritical technology has grown in recent years, though it is still necessary to obtain experimental information for the construction of industrial plants. This work reports the extraction of Musa paradisiaca L. using compressed propane as solvent. The effects of the supercritical extraction conditions, pressure and temperature on the yield were evaluated. The raw material, inflorescences banana, was dried at 313.15 K and milled. The particle size used for the packaging of the extraction cell was 12 mesh (23.5%), 16 mesh (23.5%), 32 mesh (34.5%), 48 mesh (18.5%). The extractions were performed in a laboratory scale unit at pressures of 3.0 MPa, 6.5 MPa and 10.0 MPa and at 308.15 K, 323.15 K and 338.15 K. The operating conditions tested achieved a maximum yield of 2.94 wt% for the CO2 extraction at 10.0 MPa and 338.15 K, higher pressure and temperature. The lower yield, 2.29 wt%, was obtained in the condition of lower pressure and higher temperature. Temperature presented significant and positive effect on the extraction yield with supercritical CO2, while pressure had no effect on the yield. The overall extraction curves showed typical behavior obtained for the supercritical extraction procedure and and reached a constant extraction rate of about 80 to 100 min. The largest amount of extract was obtained at the beginning of the process, within 10 to 60 min. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=banana" title="banana">banana</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20products" title=" natural products"> natural products</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical%20extraction" title=" supercritical extraction"> supercritical extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/26144/extraction-of-m-paradisiaca-l-inflorescences-using-compressed-propane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26144.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">614</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Supply Chain and Performance Measurement: An Alignment With Sustainable Development Goals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miriam%20Corrado">Miriam Corrado</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Ciccola"> Roberta Ciccola</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Serena%20Chiucchi"> Maria Serena Chiucchi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> SDGs represent the last edge in the sustainability corporate practices, including the supply chain management. Supply chains are becoming more global and complex, can create more inclusive markets and make contribution to the advance of the sustainable development. In corporate practices, the presence of sustainability criteria in supply chain management could offer an opportunity to increase competitiveness and to meet stakeholders’ expectations in terms of sustainability and corporate accountability. The research aims to understand how focal companies can integrate SDGs in their supply chain and how they can measure and assess their impacts on SDGs. The study adopts a multiple case study methodology based on four case studies referred to companies committed in measuring SDGs’ performance in their supply chains. Preliminary findings demonstrate the willingness and the need of companies to commit under a supply-chain perspective for the achievement of SDGs. Companies recognize their role in impacting the SDGs through their procurement choices by defining and implementing an SDGs scoring system. The contribution of the study is twofold: first, given the lack of research and studies addressing the integration of SDGs in the supply chain and in the performance measurement systems, the research provides a contribution to the current academic literature in relation to these emerging gaps; second, the research provides a practical guidance to implement a sustainable supply chain and advance towards the achievement of SDGs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainable%20supply%20chains" title="sustainable supply chains">sustainable supply chains</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development%20goals" title=" sustainable development goals"> sustainable development goals</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20measurement" title=" performance measurement"> performance measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20management" title=" performance management"> performance management</a> </p> <a href="https://publications.waset.org/abstracts/151474/supply-chain-and-performance-measurement-an-alignment-with-sustainable-development-goals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151474.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">195</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> A Data Driven Methodological Approach to Economic Pre-Evaluation of Reuse Projects of Ancient Urban Centers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pietro%20D%27Ambrosio">Pietro D'Ambrosio</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20D%27Ambrosio"> Roberta D'Ambrosio</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The upgrading of the architectural and urban heritage of the urban historic centers almost always involves the planning for the reuse and refunctionalization of the structures. Such interventions have complexities linked to the need to take into account the urban and social context in which the structure and its intrinsic characteristics such as historical and artistic value are inserted. To these, of course, we have to add the need to make a preliminary estimate of recovery costs and more generally to assess the economic and financial sustainability of the whole project of re-socialization. Particular difficulties are encountered during the pre-assessment of costs since it is often impossible to perform analytical surveys and structural tests for both structural conditions and obvious cost and time constraints. The methodology proposed in this work, based on a multidisciplinary and data-driven approach, is aimed at obtaining, at very low cost, reasonably priced economic evaluations of the interventions to be carried out. In addition, the specific features of the approach used, derived from the predictive analysis techniques typically applied in complex IT domains (big data analytics), allow to obtain as a result indirectly the evaluation process of a shared database that can be used on a generalized basis to estimate such other projects. This makes the methodology particularly indicated in those cases where it is expected to intervene massively across entire areas of historical city centers. The methodology has been partially tested during a study aimed at assessing the feasibility of a project for the reuse of the monumental complex of San Massimo, located in the historic center of Salerno, and is being further investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evaluation" title="evaluation">evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=methodology" title=" methodology"> methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=restoration" title=" restoration"> restoration</a>, <a href="https://publications.waset.org/abstracts/search?q=reuse" title=" reuse"> reuse</a> </p> <a href="https://publications.waset.org/abstracts/84821/a-data-driven-methodological-approach-to-economic-pre-evaluation-of-reuse-projects-of-ancient-urban-centers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84821.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">187</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> A Mixed Methods Research Design for the Development of the Xenia Higher Education Institutions' Inclusiveness Index</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Achilles%20Kameas">Achilles Kameas</a>, <a href="https://publications.waset.org/abstracts/search?q=Eleni%20Georgakakou"> Eleni Georgakakou</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Lisa%20Amodeo"> Anna Lisa Amodeo</a>, <a href="https://publications.waset.org/abstracts/search?q=Aideen%20Quilty"> Aideen Quilty</a>, <a href="https://publications.waset.org/abstracts/search?q=Aisling%20Malone"> Aisling Malone</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Albertazzi"> Roberta Albertazzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Moises%20Carmona"> Moises Carmona</a>, <a href="https://publications.waset.org/abstracts/search?q=Concetta%20Esposito"> Concetta Esposito</a>, <a href="https://publications.waset.org/abstracts/search?q=Ruben%20David%20Fernandez%20Carrasco"> Ruben David Fernandez Carrasco</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmela%20Ferrara"> Carmela Ferrara</a>, <a href="https://publications.waset.org/abstracts/search?q=Francesco%20Garzillo"> Francesco Garzillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojca%20Pusnik"> Mojca Pusnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Cristina%20Scarano"> Maria Cristina Scarano</a> </p> <p class="card-text"><strong>Abstract:</strong></p> While researchers, especially in academia, study and research the phenomena of inclusion of sexual minority and gender marginalized groups, seldom the European Higher Education Institutions (HEI) act on lowering the cultural and educational barriers to their proactive inclusion. The challenge in European HEIs is that gender, and sexual orientation discrimination remains an issue not adequately addressed. Following a mixed methods research design of quantitative and qualitative research techniques and tools, which is applied in five (5) European countries (Italy, Greece, Ireland, Slovenia, and Spain) and that combines desk research, evaluation, and weighting processes for a Matrix-based on Objective indicators and Survey for students and staff of the HEI to gauge the perception of inclusiveness in the HEI context, XENIA HEI Inclusiveness Index is an instrument that will allow universities to gauge and assess their inclusiveness in the domain of discrimination and exclusion based on gender identity and sexual orientation. The index will allow capturing the depth and reach of policies, programmes, and initiatives of HEIs in tackling the phenomena and dynamics of exclusion of LGBT+ (lesbian, gay, bisexual, trans, and other marginalized groups on the basis of gender and sexual identity) and cisgender women exposed to the risk of discrimination. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gender%20identity" title="gender identity">gender identity</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20education" title=" higher education"> higher education</a>, <a href="https://publications.waset.org/abstracts/search?q=LGBT%2B%20rights" title=" LGBT+ rights"> LGBT+ rights</a>, <a href="https://publications.waset.org/abstracts/search?q=XENIA%20inclusiveness%20index" title=" XENIA inclusiveness index"> XENIA inclusiveness index</a> </p> <a href="https://publications.waset.org/abstracts/130738/a-mixed-methods-research-design-for-the-development-of-the-xenia-higher-education-institutions-inclusiveness-index" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130738.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">163</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Assessment of Dimensions and Gully Recovery With GPS Receiver and RPA (Drone)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mariana%20Roberta%20Ribeiro">Mariana Roberta Ribeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabela%20de%20C%C3%A1ssia%20Caramello"> Isabela de Cássia Caramello</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Saverio%20Souza%20Costa"> Roberto Saverio Souza Costa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, one of the most important environmental problems is soil degradation. This wear is the result of inadequate agricultural practices, with water erosion as the main agent. As the runoff water is concentrated in certain points, it can reach a more advanced stage, which are the gullies. In view of this, the objective of this work was to evaluate which methodology is most suitable for the purpose of elaborating a project for the recovery of a gully, relating work time, data reliability, and the final cost. The work was carried out on a rural road in Monte Alto - SP, where there is 0.30 hectares of area under the influence of a gully. For the evaluation, an aerophotogrammetric survey was used with RPA, with georeferenced points, and with a GNSS L1/L2 receiver. To assess the importance of georeferenced points, there was a comparison of altimetric data using the support points with altimetric data using only the aircraft's internal GPS. Another method used was the survey by conventional topography, where coordinates were collected by total station and L1/L2 Geodetic GPS receiver. Statistical analysis was performed using analysis of variance (ANOVA) using the F test (p<0.05), and the means between treatments were compared using the Tukey test (p<0.05). The results showed that the surveys carried out by aerial photogrammetry and by conventional topography showed no significant difference for the analyzed parameters. Considering the data presented, it is possible to conclude that, when comparing the parameters of accuracy, the final volume of the gully, and cost, for the purpose of elaborating a project for the recovery of a gully, the methodologies of aerial photogrammetric survey and conventional topography do not differ significantly. However, when working time, use of labor, and project detail are compared, the aerial photogrammetric survey proves to be more viable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drones" title="drones">drones</a>, <a href="https://publications.waset.org/abstracts/search?q=erosion" title=" erosion"> erosion</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20conservation" title=" soil conservation"> soil conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=technology%20in%20agriculture" title=" technology in agriculture"> technology in agriculture</a> </p> <a href="https://publications.waset.org/abstracts/152487/assessment-of-dimensions-and-gully-recovery-with-gps-receiver-and-rpa-drone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152487.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">115</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> A Review of Current Practices in Tattooing of Colonic Lesion at Endoscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dhanashree%20Moghe">Dhanashree Moghe</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberta%20Bullingham"> Roberta Bullingham</a>, <a href="https://publications.waset.org/abstracts/search?q=Rizwan%20Ahmed"> Rizwan Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarun%20Singhal"> Tarun Singhal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: The NHS Bowel Screening Programme recommends the use of endoscopic tattooing for suspected malignant lesions that later require surgical or endoscopic localisation, using local protocols as guidance. This is in accordance with guidance from the BSG (The British Society of Gastroenterologists). We used a well-recognised local protocol as a standard to audit current tattooing practice in a large district general hospital with no current local guidelines. Method: A retrospective quantitative analysis of 50 patients who underwent segmental colonic resection for cancer over a 6-month period in 2021. We reviewed historic electronic endoscopy reports recording relevant data on tattoo indication and placement. Secondly, we carried out an anonymous survey of 16 independent lower GI endoscopists on self-reported details of their practice. Results: In our study, 28 patients (56%) had a tattoo placed at the time of their colonoscopy. Of these, only 53% (n=15) had the tattoo distal to the lesion, with the measured distance of the tattoo from the lesion only being documented in 8 reports. Only seven patients (25%) had a circumferential (4 quadrant) placement of the tattoo. 13 patients had lesions either in the caecum or rectum, locations deemed unnecessary as per BSG guidelines. Of the survey responses collected, there were four different protocols being used to guide practice. Only 50% of respondents placed tattoos at the correct distance from the lesion, and 83% placed the correct number of tattoos. Conclusion: There is a lack of standardisation of practices in colonic tattooing demonstrated in our study with incomplete compliance to our standard. The inadequate documentation of tattoo location can contribute to confusion and inaccuracy in the intraoperative localisation of lesions. This has the potential to increase operation length and morbidity. There is a need to standardise both technique and documentation in colonoscopic tattooing practice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=colorectal%20cancer" title="colorectal cancer">colorectal cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=endoscopic%20tattooing" title=" endoscopic tattooing"> endoscopic tattooing</a>, <a href="https://publications.waset.org/abstracts/search?q=colonoscopy" title=" colonoscopy"> colonoscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=NHS%20BSCP" title=" NHS BSCP"> NHS BSCP</a> </p> <a href="https://publications.waset.org/abstracts/150874/a-review-of-current-practices-in-tattooing-of-colonic-lesion-at-endoscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150874.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> National Plans for Recovery and Resilience between National Recovery and EU Cohesion Objectives: Insights from European Countries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arbolino%20Roberta">Arbolino Roberta</a>, <a href="https://publications.waset.org/abstracts/search?q=Boffardi%20Raffaele"> Boffardi Raffaele</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Achieving the highest effectiveness for the National Plans for Recovery and Resilience (NPRR) while strengthening the objectives of cohesion and reduction of intra-EU unbalances is only possible by means of strategic, coordinated, and coherent policy planning. Therefore, the present research aims at assessing and quantifying the potential impact of NPRRs across the twenty-seven European Member States in terms of economic convergence, considering disaggregated data on industrial, construction, and service sectors. The first step of the research involves a performance analysis of the main macroeconomic indicators describing the trends of twenty-seven EU economies before the pandemic outbreak. Subsequently, in order to define the potential effect of the resources allocated, we perform an impact analysis of previous similar EU investment policies, estimating national-level sectoral elasticity associated with the expenditure of the 2007-2013 and 2014-2020 Cohesion programmes funds. These coefficients are then exploited to construct adjustment scenarios. Finally, convergence analysis is performed on the data used for constructing scenarios in order to understand whether the expenditure of funds might be useful to foster economic convergence besides driving recovery. The results of our analysis show that the allocation of resources largely mirrors the aims of the policy framework underlying the NPRR, thus reporting the largest investments in both those sectors most affected by the economic shock (services) and those considered fundamental for the digital and green transition. Notwithstanding an overall positive effect, large differences exist among European countries, while no convergence process seems to be activated or fostered by these interventions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=NPRR" title="NPRR">NPRR</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20evaluation" title=" policy evaluation"> policy evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=cohesion%20policy" title=" cohesion policy"> cohesion policy</a>, <a href="https://publications.waset.org/abstracts/search?q=scenario%20Nalsysi" title=" scenario Nalsysi"> scenario Nalsysi</a> </p> <a href="https://publications.waset.org/abstracts/159035/national-plans-for-recovery-and-resilience-between-national-recovery-and-eu-cohesion-objectives-insights-from-european-countries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159035.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">83</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Web Data Scraping Technology Using Term Frequency Inverse Document Frequency to Enhance the Big Data Quality on Sentiment Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sangita%20Pokhrel">Sangita Pokhrel</a>, <a href="https://publications.waset.org/abstracts/search?q=Nalinda%20Somasiri"> Nalinda Somasiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebecca%20Jeyavadhanam"> Rebecca Jeyavadhanam</a>, <a href="https://publications.waset.org/abstracts/search?q=Swathi%20Ganesan"> Swathi Ganesan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tourism is a booming industry with huge future potential for global wealth and employment. There are countless data generated over social media sites every day, creating numerous opportunities to bring more insights to decision-makers. The integration of Big Data Technology into the tourism industry will allow companies to conclude where their customers have been and what they like. This information can then be used by businesses, such as those in charge of managing visitor centers or hotels, etc., and the tourist can get a clear idea of places before visiting. The technical perspective of natural language is processed by analysing the sentiment features of online reviews from tourists, and we then supply an enhanced long short-term memory (LSTM) framework for sentiment feature extraction of travel reviews. We have constructed a web review database using a crawler and web scraping technique for experimental validation to evaluate the effectiveness of our methodology. The text form of sentences was first classified through Vader and Roberta model to get the polarity of the reviews. In this paper, we have conducted study methods for feature extraction, such as Count Vectorization and TFIDF Vectorization, and implemented Convolutional Neural Network (CNN) classifier algorithm for the sentiment analysis to decide the tourist’s attitude towards the destinations is positive, negative, or simply neutral based on the review text that they posted online. The results demonstrated that from the CNN algorithm, after pre-processing and cleaning the dataset, we received an accuracy of 96.12% for the positive and negative sentiment analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=counter%20vectorization" title="counter vectorization">counter vectorization</a>, <a href="https://publications.waset.org/abstracts/search?q=convolutional%20neural%20network" title=" convolutional neural network"> convolutional neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=crawler" title=" crawler"> crawler</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20technology" title=" data technology"> data technology</a>, <a href="https://publications.waset.org/abstracts/search?q=long%20short-term%20memory" title=" long short-term memory"> long short-term memory</a>, <a href="https://publications.waset.org/abstracts/search?q=web%20scraping" title=" web scraping"> web scraping</a>, <a href="https://publications.waset.org/abstracts/search?q=sentiment%20analysis" title=" sentiment analysis"> sentiment analysis</a> </p> <a href="https://publications.waset.org/abstracts/160194/web-data-scraping-technology-using-term-frequency-inverse-document-frequency-to-enhance-the-big-data-quality-on-sentiment-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160194.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">88</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Roberta%20%20Pecoraro&page=2">2</a></li> <li class="page-item"><a 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