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Hellmann</title> <meta name="description" content="Search results for: Louisa Hellmann"> <meta name="keywords" content="Louisa Hellmann"> <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="Louisa Hellmann"> <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> 12</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Louisa Hellmann</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Radical Technological Innovation - Comparison of a Critical Success Factors Framework with Existing Literature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Florian%20Wohlfeil">Florian Wohlfeil</a>, <a href="https://publications.waset.org/abstracts/search?q=Orestis%20Terzidis"> Orestis Terzidis</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Hellmann"> Louisa Hellmann</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radical technological innovations enable companies to reach strong market positions and are thus desirable. On the other hand, the innovation process is related to significant costs and risks. Hence, the knowledge of the factors that influence success is crucial for technology driven companies. In a previous study, we have developed a conceptual framework of 25 Critical Success Factors for radical technological innovations and mapped them to four main categories: Technology, Organization, Market, and Process. We refer to it as the Technology-Organization-Market-Process (TOMP) framework. Taking the TOMP framework as a reference model, we conducted a structured and focused literature review of eleven standard books on the topic of radical technological innovation. With this approach, we aim to evaluate, expand, and clarify the set of Critical Success Factors detailed in the TOMP framework. Overall, the set of factors and their allocation to the main categories of the TOMP framework could be confirmed. However, the factor organizational home is not emphasized and discussed in most of the reviewed literature. On the other hand, an additional factor that has not been part of the TOMP framework is described to be important – strategy fit. Furthermore, the factors strategic alliances and platform strategy appear in the literature but in a different context compared to the reference model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Critical%20Success%20Factors" title="Critical Success Factors">Critical Success Factors</a>, <a href="https://publications.waset.org/abstracts/search?q=radical%20technological%20innovation" title=" radical technological innovation"> radical technological innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=TOMP%20framework" title=" TOMP framework"> TOMP framework</a>, <a href="https://publications.waset.org/abstracts/search?q=innovation%20process" title=" innovation process "> innovation process </a> </p> <a href="https://publications.waset.org/abstracts/29602/radical-technological-innovation-comparison-of-a-critical-success-factors-framework-with-existing-literature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29602.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">659</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">11</span> Exact Energy Spectrum and Expectation Values of the Inverse Square Root Potential Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benedict%20Ita">Benedict Ita</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Okoi"> Peter Okoi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the concept of the extended Nikiforov-Uvarov technique is discussed and employed to obtain the exact bound state energy eigenvalues and the corresponding normalized eigenfunctions of the inverse square root potential. With expressions for the exact energy eigenvalues and corresponding eigenfunctions, the expressions for the expectation values of the inverse separation-squared, kinetic energy, and the momentum-squared of the potential are presented using the Hellmann Feynman theorem. For visualization, algorithms written and implemented in Python language are used to generate tables and plots for l-states of the energy eigenvalues and some expectation values. The results obtained here may find suitable applications in areas like atomic and molecular physics, chemical physics, nuclear physics, and solid-state physics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Schrodinger%20equation" title="Schrodinger equation">Schrodinger equation</a>, <a href="https://publications.waset.org/abstracts/search?q=Nikoforov-Uvarov%20method" title=" Nikoforov-Uvarov method"> Nikoforov-Uvarov method</a>, <a href="https://publications.waset.org/abstracts/search?q=inverse%20square%20root%20potential" title=" inverse square root potential"> inverse square root potential</a>, <a href="https://publications.waset.org/abstracts/search?q=diatomic%20molecules" title=" diatomic molecules"> diatomic molecules</a>, <a href="https://publications.waset.org/abstracts/search?q=Python%20programming" title=" Python programming"> Python programming</a>, <a href="https://publications.waset.org/abstracts/search?q=Hellmann-Feynman%20theorem" title=" Hellmann-Feynman theorem"> Hellmann-Feynman theorem</a>, <a href="https://publications.waset.org/abstracts/search?q=second%20order%20differential%20equation" title=" second order differential equation"> second order differential equation</a>, <a href="https://publications.waset.org/abstracts/search?q=matrix%20algebra" title=" matrix algebra"> matrix algebra</a> </p> <a href="https://publications.waset.org/abstracts/192989/exact-energy-spectrum-and-expectation-values-of-the-inverse-square-root-potential-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192989.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">19</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">10</span> The Effectiveness of a Hybrid Diffie-Hellman-RSA-Advanced Encryption Standard Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdellahi%20Cheikh">Abdellahi Cheikh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the emergence of quantum computers with very powerful capabilities, the security of the exchange of shared keys between two interlocutors poses a big problem in terms of the rapid development of technologies such as computing power and computing speed. Therefore, the Diffie-Hellmann (DH) algorithm is more vulnerable than ever. No mechanism guarantees the security of the key exchange, so if an intermediary manages to intercept it, it is easy to intercept. In this regard, several studies have been conducted to improve the security of key exchange between two interlocutors, which has led to interesting results. The modification made on our model Diffie-Hellman-RSA-AES (DRA), which encrypts the information exchanged between two users using the three-encryption algorithms DH, RSA and AES, by using stenographic photos to hide the contents of the p, g and ClesAES values that are sent in an unencrypted state at the level of DRA model to calculate each user's public key. This work includes a comparative study between the DRA model and all existing solutions, as well as the modification made to this model, with an emphasis on the aspect of reliability in terms of security. This study presents a simulation to demonstrate the effectiveness of the modification made to the DRA model. The obtained results show that our model has a security advantage over the existing solution, so we made these changes to reinforce the security of the DRA model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diffie-Hellmann" title="Diffie-Hellmann">Diffie-Hellmann</a>, <a href="https://publications.waset.org/abstracts/search?q=DRA" title=" DRA"> DRA</a>, <a href="https://publications.waset.org/abstracts/search?q=RSA" title=" RSA"> RSA</a>, <a href="https://publications.waset.org/abstracts/search?q=advanced%20encryption%20standard" title=" advanced encryption standard"> advanced encryption standard</a> </p> <a href="https://publications.waset.org/abstracts/157930/the-effectiveness-of-a-hybrid-diffie-hellman-rsa-advanced-encryption-standard-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157930.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">93</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">9</span> Efficient Signcryption Scheme with Provable Security for Smart Card</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jayaprakash%20Kar">Jayaprakash Kar</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniyal%20M.%20Alghazzawi"> Daniyal M. Alghazzawi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The article proposes a novel construction of signcryption scheme with provable security which is most suited to implement on smart card. It is secure in random oracle model and the security relies on Decisional Bilinear Diffie-Hellmann Problem. The proposed scheme is secure against adaptive chosen ciphertext attack (indistiguishbility) and adaptive chosen message attack (unforgebility). Also, it is inspired by zero-knowledge proof. The two most important security goals for smart card are Confidentiality and authenticity. These functions are performed in one logical step in low computational cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=random%20oracle" title="random oracle">random oracle</a>, <a href="https://publications.waset.org/abstracts/search?q=provable%20security" title=" provable security"> provable security</a>, <a href="https://publications.waset.org/abstracts/search?q=unforgebility" title=" unforgebility"> unforgebility</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20card" title=" smart card"> smart card</a> </p> <a href="https://publications.waset.org/abstracts/17144/efficient-signcryption-scheme-with-provable-security-for-smart-card" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17144.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">593</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">8</span> Wellness Warriors: A Qualitative Exploration of Frontline Healthcare Staff Responding to Crisis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrea%20Knezevic">Andrea Knezevic</a>, <a href="https://publications.waset.org/abstracts/search?q=Padmini%20Pai"> Padmini Pai</a>, <a href="https://publications.waset.org/abstracts/search?q=Julaine%20Allan"> Julaine Allan</a>, <a href="https://publications.waset.org/abstracts/search?q=Katarzyna%20Olco%C5%84"> Katarzyna Olcoń</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Smith"> Louisa Smith</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Healthcare staff are on the frontline during times of disaster and are required to support the health and wellbeing of communities despite any personal adversity and trauma they are experiencing as a result of the disaster. This study explored the experiences of healthcare staff trained as ‘Wellness Warriors’ following the 2019-2020 Australian bushfires. The findings indicated that healthcare staff developed interpersonal skills around deep listening and connecting with others which allowed them to feel differently about work and restored their faith in healthcare leadership. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Australian%20bushfires" title="Australian bushfires">Australian bushfires</a>, <a href="https://publications.waset.org/abstracts/search?q=burnout" title=" burnout"> burnout</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20care%20providers" title=" health care providers"> health care providers</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=occupational%20trauma" title=" occupational trauma"> occupational trauma</a>, <a href="https://publications.waset.org/abstracts/search?q=post-disaster" title=" post-disaster"> post-disaster</a>, <a href="https://publications.waset.org/abstracts/search?q=wellbeing" title=" wellbeing"> wellbeing</a>, <a href="https://publications.waset.org/abstracts/search?q=workplace%20wellness" title=" workplace wellness"> workplace wellness</a> </p> <a href="https://publications.waset.org/abstracts/151447/wellness-warriors-a-qualitative-exploration-of-frontline-healthcare-staff-responding-to-crisis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151447.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">137</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">7</span> Efficacy of Music for Improving Language in Children with Special Needs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Han%20Lin%20Tan">Louisa Han Lin Tan</a>, <a href="https://publications.waset.org/abstracts/search?q=Poh%20Sim%20Kang"> Poh Sim Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Ming%20Loi"> Wei Ming Loi</a>, <a href="https://publications.waset.org/abstracts/search?q=Susan%20Jane%20Rickard%20Liow"> Susan Jane Rickard Liow</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The efficacy of music for improving speech and language has been shown across ages and diagnoses. Across the world, the wide range of therapy settings and increasing number of children diagnosed with special needs demand more cost and time effective service delivery. However, research exploring co-treatment models on children other than those with Autism Spectrum Disorder remains sparse. The aim of this research was to determine the efficacy of music for improving language in children with special needs, and generalizability of therapy effects. 25 children (7 to 12 years) were split into three groups – A, B and control. A cross-over design with direct therapy (storytelling) with or without music, and indirect therapy was applied with two therapy phases lasting 6 sessions each. Therapy targeted three prepositions in each phase. Baseline language abilities were assessed, with re-assessment after each phase. The introduction of music in therapy led to significantly greater improvement (p=.046, r=.53) in associated language abilities, with case studies showing greater effectiveness in developmentally appropriate target prepositions. However, improvements were not maintained once direct therapy ceased. As such, the incorporation of music could lead to greater efficiency and effectiveness of language therapy in children with special needs, but sustainability and generalizability of therapy effects both require further exploration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=music" title="music">music</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20therapy" title=" language therapy"> language therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=children" title=" children"> children</a>, <a href="https://publications.waset.org/abstracts/search?q=special%20needs" title=" special needs"> special needs</a> </p> <a href="https://publications.waset.org/abstracts/70066/efficacy-of-music-for-improving-language-in-children-with-special-needs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70066.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">465</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">6</span> Exploring Gaming-Learning Interaction in MMOG Using Data Mining Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meng-Tzu%20Cheng">Meng-Tzu Cheng</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Rosenheck"> Louisa Rosenheck</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen-Yen%20Lin"> Chen-Yen Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20Klopfer"> Eric Klopfer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of the research is to explore some of the ways in which gameplay data can be analyzed to yield results that feedback into the learning ecosystem. Back-end data for all users as they played an MMOG, The Radix Endeavor, was collected, and this study reports the analyses on a specific genetics quest by using the data mining techniques, including the decision tree method. In the study, different reasons for quest failure between participants who eventually succeeded and who never succeeded were revealed. Regarding the in-game tools use, trait examiner was a key tool in the quest completion process. Subsequently, the results of decision tree showed that a lack of trait examiner usage can be made up with additional Punnett square uses, displaying multiple pathways to success in this quest. The methods of analysis used in this study and the resulting usage patterns indicate some useful ways that gameplay data can provide insights in two main areas. The first is for game designers to know how players are interacting with and learning from their game. The second is for players themselves as well as their teachers to get information on how they are progressing through the game, and to provide help they may need based on strategies and misconceptions identified in the data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MMOG" title="MMOG">MMOG</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20tree" title=" decision tree"> decision tree</a>, <a href="https://publications.waset.org/abstracts/search?q=genetics" title=" genetics"> genetics</a>, <a href="https://publications.waset.org/abstracts/search?q=gaming-learning%20interaction" title=" gaming-learning interaction"> gaming-learning interaction</a> </p> <a href="https://publications.waset.org/abstracts/58320/exploring-gaming-learning-interaction-in-mmog-using-data-mining-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58320.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">357</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">5</span> The Art of Looking (Back): The Female Gaze in Portrait de la Jeune Fille en Feu and Little Women</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Browne%20Kirk">Louisa Browne Kirk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent press interviews to promote Portrait de la jeune fille en feu (2019, translated to Portrait of a Lady on Fire in English), director and screenwriter Céline Sciamma and actors Adèle Haenel and Noémie Merlant repeatedly state that they understand the film as (if not uniquely, then unusually) produced via and supportive of ‘the female gaze’. Such a way of seeing stands in opposition to ‘the male gaze’, first theorised by Laura Mulvey as the way in which the female figure is a bearer, not maker, of meaning, a silent signifier through and against whom the male creator/viewer produces his fantasies and obsessions. What, then, is the female gaze? How does a woman produce meaning in and through film? Portrait de la jeune fille en feu and another very recent film, Little Women (2019, directed by Greta Gerwig), are unlikely companion films that understand the female gaze to be the act of one woman looking at another woman, a looking that is mediated through the production of art. In Sciamma’s film this looking is sexual and mediated through painting and in Gerwig’s film looking is familial and mediated through writing. In the schema of these films, art, love, looking and meaning are produced through collaboration. The painted and the painter, the written and the writer, are no longer rendered as subject and object but as dual creators, both always seeing and seen. The gaze of the cinematic woman, mediated through shared artistic practice, is ‘the desire-that-gives’. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=female%20gaze" title="female gaze">female gaze</a>, <a href="https://publications.waset.org/abstracts/search?q=Gerwig" title=" Gerwig"> Gerwig</a>, <a href="https://publications.waset.org/abstracts/search?q=Sciamma" title=" Sciamma"> Sciamma</a>, <a href="https://publications.waset.org/abstracts/search?q=shared%20artistic%20practice" title=" shared artistic practice"> shared artistic practice</a> </p> <a href="https://publications.waset.org/abstracts/121171/the-art-of-looking-back-the-female-gaze-in-portrait-de-la-jeune-fille-en-feu-and-little-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121171.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">182</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">4</span> Physiological and Reproductive Changes in Honey Bee Female Castes Following Direct Colony Exposure to Pesticides</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valizadeh%20Gever%20Bita">Valizadeh Gever Bita</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Caren"> Joel Caren</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Huand"> Louisa Huand</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Cheng%20Zhu"> Yu-Cheng Zhu</a>, <a href="https://publications.waset.org/abstracts/search?q=Esmaeil%20Amiri"> Esmaeil Amiri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Within a honey bee colony, queen is the sole reproducer of fertilized eggs, while queens are safeguarded by worker bees, trophallactic behavior and food sharing activities could expose them to agrochemicals. Here, we assessed the effects of three widely used pesticides—Acephate, Bifenthrin, and Chlorantraniliprole— on worker bees, to investigate indirect effects on the physiology and reproductive traits of queens as well as the eggs they produce. Using RT-qPCR we measured the expression of several detoxification and immune genes in adult worker bees, queens, and freshly laid eggs after pesticide exposure. These analyses aimed to elucidate the physiological changes in queens and potential transgenerational effects. While no significant changes in reproductive traits were observed following Chlorantraniliprole and Bifenthrin exposure, Acephate caused adverse effects on egg size, egg-laying activity, and queen weight. The expression of detoxification, immune and antioxidant-related genes in workers, queens and freshly laid eggs changed over time in response to these pesticides. The results of this investigation revealed that pesticides can cause negative impact on queen physiology and reproduction indirectly through their effects on exposed worker bees. These effects can potentially extend to the next generation of honey bees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=apis%20mellifera" title="apis mellifera">apis mellifera</a>, <a href="https://publications.waset.org/abstracts/search?q=egg%20laying" title=" egg laying"> egg laying</a>, <a href="https://publications.waset.org/abstracts/search?q=detoxification%20enzymes" title=" detoxification enzymes"> detoxification enzymes</a>, <a href="https://publications.waset.org/abstracts/search?q=gene%20expression" title=" gene expression"> gene expression</a>, <a href="https://publications.waset.org/abstracts/search?q=honey%20bee%20queen" title=" honey bee queen"> honey bee queen</a> </p> <a href="https://publications.waset.org/abstracts/176760/physiological-and-reproductive-changes-in-honey-bee-female-castes-following-direct-colony-exposure-to-pesticides" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176760.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">66</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">3</span> Schizosaccharomyces pombe, Saccharomyces cerevisiae Yeasts and Acetic Acid Bacteria in Alcoholic and Acetous Fermentations: Effect on Phenolic Acids of Kei-Apple (Dovyalis caffra L.) Vinegar</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Phillip%20Minnaar">Phillip Minnaar</a>, <a href="https://publications.waset.org/abstracts/search?q=Neil%20Jolly"> Neil Jolly</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20Beukes"> Louisa Beukes</a>, <a href="https://publications.waset.org/abstracts/search?q=Santiago%20Benito-Saez"> Santiago Benito-Saez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dovyalis caffra is a tree found on the African continent. Limited information exists on the effect of acetous fermentation on the phytochemicals of Kei-apple fruit. The phytochemical content of vinegars is derived from compounds present in the fruit the vinegar is made of. Kei-apple fruit juice was co-inoculated with Schizosaccharomyces pombe and Saccharomyces cerevisiae to induce alcoholic fermentation (AF). Acetous fermentation followed AF, using an acetic acid bacteria consortium as an inoculant. Juice had the lowest pH and highest total acidity (TA). The wine had the highest pH and vinegars lowest TA. Total soluble solids and L-malic acid decreased during AF and acetous fermentation. Volatile acidity concentration was not different among vinegars. Gallic, syringic, caffeic, p-coumaric, and chlorogenic acids increased during acetous fermentation, whereas ferulic, sinapic, and protocatechuic acids decreased. Chlorogenic acid was the most abundant phenolic acid in both wines and vinegars. It is evident from this investigation that Kei-apple vinegar is a source of plant-derived phenolics, which evolved through fermentation. However, the AAB selection showed minimal performance with respect to VA production. Acetic acid bacteria selection for acetous fermentation should be reconsidered, and the reasons for the decrease of certain phenolic acids during acetous fermentation needs to be investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acetic%20acid%20bacteria" title="acetic acid bacteria">acetic acid bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=acetous%20fermentation" title=" acetous fermentation"> acetous fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20chromatography" title=" liquid chromatography"> liquid chromatography</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20acids" title=" phenolic acids"> phenolic acids</a> </p> <a href="https://publications.waset.org/abstracts/128490/schizosaccharomyces-pombe-saccharomyces-cerevisiae-yeasts-and-acetic-acid-bacteria-in-alcoholic-and-acetous-fermentations-effect-on-phenolic-acids-of-kei-apple-dovyalis-caffra-l-vinegar" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128490.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">148</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">2</span> Effect of Alcoholic and Acetous Fermentations on Phenolic Acids of Kei-Apple (Dovyalis Caffra L.) Fruit</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neil%20Jolly">Neil Jolly</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20%20Beukes"> Louisa Beukes</a>, <a href="https://publications.waset.org/abstracts/search?q=Santiago%20Benito-SaEz"> Santiago Benito-SaEz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Kei-apple is a tree found on the African continent. Limited information exists on the effect of alcoholic and acetous fermentation on the phytochemicals. The fruit has increased L-malic, ascorbic, and phenolic acids. Juice was co-inoculated with Schizosaccharomyces pombe and Saccharomyces cerevisiae to induce alcoholic fermentation and acetous fermentation using acetic acid bacteria. Saccharomyces cerevisiae+S. pombe wines and vinegars had highest pH. Total acidity, soluble solids and L-malic acid decreased during alcoholic and acetous fermentation with highest in S. cerevisiae wines and vinegars. Volatile acidity was highest in S. pombe vinegars but not different from S. cerevisiae and S. cerevisiae+S. pombe. Gallic acid was highest in S. pombe wines and vinegars. Syringic acid was highest in S. cerevisiae wines and vinegars. S. cerevisiae+S. pombe wines were highest in caffeic, p-coumaric and protocatechuic acids. Schizosaccharomyces pombe vinegars were highest in caffeic and p-coumaric acids. Ferulic and sinapic acids were highest in S. pombe and S. cerevisiae wines, respectively. Chlorogenic acid was most abundant in both wines and vinegars. Saccharomyces cerevisiae+S. pombe and S. cerevisiae had a positive effect on most phenolic acids. Saccharomyces cerevisiae +acetic acid bacteria had an increased effect on syringic and chlorogenic acids. Schizosaccharomyces pombe+acetic acid bacteria resulted in an increase in gallic, caffeic and p-coumaric acids. Acetic acid bacteria had minimal performance with respect to volatile acidity production in comparison to commercial vinegars. Acetic acid bacteria selection should therefore be reconsidered and the decrease of certain phenolic acids during acetous fermentation needs to be investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acetic%20acid%20bacteria" title="acetic acid bacteria">acetic acid bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20chromatography" title=" liquid chromatography"> liquid chromatography</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolics" title=" phenolics"> phenolics</a>, <a href="https://publications.waset.org/abstracts/search?q=saccharomyces%20cerevisiae" title=" saccharomyces cerevisiae"> saccharomyces cerevisiae</a>, <a href="https://publications.waset.org/abstracts/search?q=schizosaccharomyces%20pombe" title=" schizosaccharomyces pombe"> schizosaccharomyces pombe</a> </p> <a href="https://publications.waset.org/abstracts/133987/effect-of-alcoholic-and-acetous-fermentations-on-phenolic-acids-of-kei-apple-dovyalis-caffra-l-fruit" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133987.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">145</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">1</span> A Structure-Switching Electrochemical Aptasensor for Rapid, Reagentless and Single-Step, Nanomolar Detection of C-Reactive Protein</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=William%20L.%20Whitehouse">William L. Whitehouse</a>, <a href="https://publications.waset.org/abstracts/search?q=Louisa%20H.%20Y.%20Lo"> Louisa H. Y. Lo</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20B.%20Kinghorn"> Andrew B. Kinghorn</a>, <a href="https://publications.waset.org/abstracts/search?q=Simon%20C.%20C.%20Shiu"> Simon C. C. Shiu</a>, <a href="https://publications.waset.org/abstracts/search?q=Julian.%20A.%20Tanner"> Julian. A. Tanner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> C-reactive protein (CRP) is an acute-phase reactant and sensitive indicator for sepsis and other life-threatening pathologies, including systemic inflammatory response syndrome (SIRS). Currently, clinical turn-around times for established CRP detection methods take between 30 minutes to hours or even days from centralized laboratories. Here, we report the development of an electrochemical biosensor using redox probe-tagged DNA aptamers functionalized onto cheap, commercially available screen-printed electrodes. Binding-induced conformational switching of the CRP-targeting aptamer induces a specific and selective signal-ON event, which enables single-step and reagentless detection of CRP in as little as 1 minute. The aptasensor dynamic range spans 5-1000nM (R=0.97) or 5-500nM (R=0.99) in 50% diluted human serum, with a LOD of 3nM, corresponding to 2-orders of magnitude sensitivity under the clinically relevant cut-off for CRP. The sensor is stable for up to one week and can be reused numerous times, as judged from repeated real-time dosing and dose-response assays. By decoupling binding events from the signal induction mechanism, structure-switching electrochemical aptamer-based sensors (SS-EABs) provide considerable advantages over their adsorption-based counterparts. Our work expands on the retinue of such sensors reported in the literature and is the first instance of an SS-EAB for reagentless CRP detection. We hope this study can inspire further investigations into the suitability of SS-EABs for diagnostics, which will aid translational R&D toward fully realized devices aimed at point-of-care applications or for use more broadly by the public. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=structure-switching" title="structure-switching">structure-switching</a>, <a href="https://publications.waset.org/abstracts/search?q=C-reactive%20protein" title=" C-reactive protein"> C-reactive protein</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical" title=" electrochemical"> electrochemical</a>, <a href="https://publications.waset.org/abstracts/search?q=biosensor" title=" biosensor"> biosensor</a>, <a href="https://publications.waset.org/abstracts/search?q=aptasensor." title=" aptasensor."> aptasensor.</a> </p> <a href="https://publications.waset.org/abstracts/182190/a-structure-switching-electrochemical-aptasensor-for-rapid-reagentless-and-single-step-nanomolar-detection-of-c-reactive-protein" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182190.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">70</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th 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