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Bhavi</title> <meta name="description" content="Search results for: Shivakumar Bhavi"> <meta name="keywords" content="Shivakumar Bhavi"> <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="Shivakumar Bhavi"> <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> 13</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Shivakumar Bhavi</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Study the Sloshing Phenomenon in the Tank Filled Partially with Liquid Using Computational Fluid Dynamics (CFD) Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amit%20Kumar">Amit Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaikumar%20V."> Jaikumar V.</a>, <a href="https://publications.waset.org/abstracts/search?q=Pradeep%20A.%20G."> Pradeep A. G.</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivakumar%20%20Bhavi"> Shivakumar Bhavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Amit Kumar, Jaikumar V, Pradeep AG, Shivakumar Bhavi Reducing sloshing is one of the major challenges in industries where transporting of liquid is involved. The present study investigates the sloshing effect for different liquid levels of 50% of the tank capacity. CFD simulation for two different baffle configurations has been carried out using a time-based multiphase Volume of fluid (VOF) scheme. Baffles were introduced to examine the sloshing effect inside the tank. Results were compared against the baseline case to assess the effectiveness of baffles; maximum liquid height over the period of the simulation was considered as the parameter for measuring the sloshing effect inside the tank. It was found that the addition of baffles reduced the sloshing effect inside the tank as compared to the baseline model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD" title="CFD">CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=sloshing" title=" sloshing"> sloshing</a>, <a href="https://publications.waset.org/abstracts/search?q=VOF" title=" VOF"> VOF</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphase" title=" multiphase"> multiphase</a> </p> <a href="https://publications.waset.org/abstracts/143448/study-the-sloshing-phenomenon-in-the-tank-filled-partially-with-liquid-using-computational-fluid-dynamics-cfd-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143448.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">192</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">12</span> Study the Sloshing Phenomenon in the Tank Filled Partially with Liquid Using Computational Fluid Dynamics (CFD) Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amit%20Kumar">Amit Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaikumar%20V"> Jaikumar V</a>, <a href="https://publications.waset.org/abstracts/search?q=Pradeep%20AG"> Pradeep AG</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivakumar%20%20Bhavi"> Shivakumar Bhavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Reducing sloshing is one of the major challenges in industries where transporting of liquid involved. The present study investigates the sloshing effect for different liquid levels 25%, 50%, and 75% of the tank capacity. CFD simulation for three different liquid levels has been carried out using a time-based multiphase Volume of fluid (VOF) scheme. Baffles were introduced to examine the sloshing effect inside the tank. Results were compared against the baseline case to assess the effectiveness of baffles. Maximum liquid height over the period of the simulation was considered as the parameter for measuring the sloshing effect inside the tank. It was found that the addition of baffles reduced the sloshing effect inside the tank as compared to the baseline model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sloshing" title="sloshing">sloshing</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=VOF" title=" VOF"> VOF</a>, <a href="https://publications.waset.org/abstracts/search?q=baffles" title=" baffles"> baffles</a> </p> <a href="https://publications.waset.org/abstracts/139100/study-the-sloshing-phenomenon-in-the-tank-filled-partially-with-liquid-using-computational-fluid-dynamics-cfd-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139100.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">254</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> Electronics Thermal Management Driven Design of an IP65-Rated Motor Inverter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sachin%20Kamble">Sachin Kamble</a>, <a href="https://publications.waset.org/abstracts/search?q=Raghothama%20Anekal"> Raghothama Anekal</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivakumar%20Bhavi"> Shivakumar Bhavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thermal management of electronic components packaged inside an IP65 rated enclosure is of prime importance in industrial applications. Electrical enclosure protects the multiple board configurations such as inverter, power, controller board components, busbars, and various power dissipating components from harsh environments. Industrial environments often experience relatively warm ambient conditions, and the electronic components housed in the enclosure dissipate heat, due to which the enclosures and the components require thermal management as well as reduction of internal ambient temperatures. Design of Experiments based thermal simulation approach with MOSFET arrangement, Heat sink design, Enclosure Volume, Copper and Aluminum Spreader, Power density, and Printed Circuit Board (PCB) type were considered to optimize air temperature inside the IP65 enclosure to ensure conducive operating temperature for controller board and electronic components through the different modes of heat transfer viz. conduction, natural convection and radiation using Ansys ICEPAK. MOSFET’s with the parallel arrangement, IP65 enclosure molded heat sink with rectangular fins on both enclosures, specific enclosure volume to satisfy the power density, Copper spreader to conduct heat to the enclosure, optimized power density value and selecting Aluminum clad PCB which improves the heat transfer were the contributors towards achieving a conducive operating temperature inside the IP-65 rated Motor Inverter enclosure. A reduction of 52 ℃ was achieved in internal ambient temperature inside the IP65 enclosure between baseline and final design parameters, which met the operative temperature requirements of the electronic components inside the IP-65 rated Motor Inverter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ansys%20ICEPAK" title="Ansys ICEPAK">Ansys ICEPAK</a>, <a href="https://publications.waset.org/abstracts/search?q=aluminium%20clad%20PCB" title=" aluminium clad PCB"> aluminium clad PCB</a>, <a href="https://publications.waset.org/abstracts/search?q=IP%2065%20enclosure" title=" IP 65 enclosure"> IP 65 enclosure</a>, <a href="https://publications.waset.org/abstracts/search?q=motor%20inverter" title=" motor inverter"> motor inverter</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20simulation" title=" thermal simulation"> thermal simulation</a> </p> <a href="https://publications.waset.org/abstracts/130619/electronics-thermal-management-driven-design-of-an-ip65-rated-motor-inverter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130619.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">121</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> Computational Chemical-Composition of Carbohydrates in the Context of Healthcare Informatics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Chandrasekaran">S. Chandrasekaran</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Nandita"> S. Nandita</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Shivathmika"> M. Shivathmika</a>, <a href="https://publications.waset.org/abstracts/search?q=Srikrishnan%20Shivakumar"> Srikrishnan Shivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of the research work is to analyze the computational chemical-composition of carbohydrates in the context of healthcare informatics. The computation involves the representation of complex chemical molecular structure of carbohydrate using graph theory and in a deployable Chemical Markup Language (CML). The parallel molecular structure of the chemical molecules with or without other adulterants for the sake of business profit can be analyzed in terms of robustness and derivatization measures. The rural healthcare program should create awareness in malnutrition to reduce ill-effect of decomposition and help the consumers to know the level of such energy storage mixtures in a quantitative way. The earlier works were based on the empirical and wet data which can vary from time to time but cannot be made to reuse the results of mining. The work is carried out on the quantitative computational chemistry on carbohydrates to provide a safe and secure right to food act and its regulations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbohydrates" title="carbohydrates">carbohydrates</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical-composition" title=" chemical-composition"> chemical-composition</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20markup" title=" chemical markup"> chemical markup</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20safety" title=" food safety"> food safety</a> </p> <a href="https://publications.waset.org/abstracts/5573/computational-chemical-composition-of-carbohydrates-in-the-context-of-healthcare-informatics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5573.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">374</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> Synthesis and Characterization of Nanocellulose Based Bio-Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Krishnakant%20Bhole">Krishnakant Bhole</a>, <a href="https://publications.waset.org/abstracts/search?q=Neerakallu%20D.%20Shivakumar"> Neerakallu D. Shivakumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shakti%20Singh%20Chauhan"> Shakti Singh Chauhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanketh%20Tonannavar"> Sanketh Tonannavar</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajath%20S"> Rajath S</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Synthesis of natural-based composite materials is state of the art. This work discusses the preparation and characterization of cellulose nanofibers (CNF) extracted from the bamboo pulp using TEMPO-oxidization and high-pressure homogenization methods. Bio-composites are prepared using synthesized CNF and bamboo particles. Nanocellulose prepared is characterized using SEM and XRD for morphological and crystallinity analysis, and the formation of fibers at the nano level is ensured. Composite specimens are fabricated using these natural sources and subjected to tensile and flexural tests to characterize the mechanical properties such as modulus of elasticity (MOE), modulus of rupture (MOR), and interfacial strength. Further, synthesized nanocellulose is used as a binding agent to prepare particleboards using various natural sources like bamboo, areca nut, and banana in the form of fibers. From the results, it can be inferred that nanocellulose prepared from bamboo pulp acts as a binding agent for making bio-composites. Hence, the concept of using matrix and reinforcement derived from natural sources can be used to prepare green composites that are highly degradable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanocellulose" title="nanocellulose">nanocellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=biocomposite" title=" biocomposite"> biocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=CNF" title=" CNF"> CNF</a>, <a href="https://publications.waset.org/abstracts/search?q=bamboo" title=" bamboo"> bamboo</a> </p> <a href="https://publications.waset.org/abstracts/152048/synthesis-and-characterization-of-nanocellulose-based-bio-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152048.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">87</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> Effect of Dietary Supplementation of Ashwagandha (Withania somnifera) on Performance of Commercial Layer Hens </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Arun%20Subhash">P. Arun Subhash</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20N.%20Suresh"> B. N. Suresh</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20C.%20Shivakumar"> M. C. Shivakumar</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Suma"> N. Suma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experiment was conducted to study the effect of dietary supplementation of ashwagandha (Withania somnifera) root powder on the egg production performance and egg quality in commercial layer birds. A practical type layer diet was prepared as per Bureau of Indian Standards (1992) to serve as the control, and the test diet was prepared by supplementing control diet with ashwagandha powder at 1kg/ton of feed. Each diet was assigned to twenty replicate groups of 5 laying hens each for duration of 84 days. The result revealed that cumulative egg production (%) was comparable between control and test group. The feed consumption and its conversion efficiency were similar among both the groups. The egg weight and egg characteristics viz., yolk index, yolk color, haugh unit score, albumen index, egg shape index and eggshell thickness were also remained similar between both the groups. It was concluded that supplementation of ashwagandha powder at 1kg/ton in layer diets has no beneficial effect on egg production and egg quality parameters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ashwagandha" title="ashwagandha">ashwagandha</a>, <a href="https://publications.waset.org/abstracts/search?q=egg%20production" title=" egg production"> egg production</a>, <a href="https://publications.waset.org/abstracts/search?q=egg%20quality" title=" egg quality"> egg quality</a>, <a href="https://publications.waset.org/abstracts/search?q=layers" title=" layers"> layers</a> </p> <a href="https://publications.waset.org/abstracts/89790/effect-of-dietary-supplementation-of-ashwagandha-withania-somnifera-on-performance-of-commercial-layer-hens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89790.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">147</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> pH and Thermo-Sensitive Nanogels for Anti-Cancer Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Naga%20Sravan%20Kumar%20Varma">V. Naga Sravan Kumar Varma</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20G.%20Shivakumar"> H. G. Shivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the study was to develop dual sensitive poly (N-isopropylacrylamide-co-acrylic acid) (PNA) nanogels(NGs) and studying its applications for Anti-Cancer therapy. NGs were fabricated by free radical polymerization using different amount of N-isopropylacrylamide and acrylic acid. A study for polymer composition over the effect on LCST in different pH was evaluated by measuring the absorbance at 500nm using UV spectrophotometer. Further selected NG’s were evaluated for change in hydrodynamic diameters in response to pH and temperature. NGs which could sharply respond to low pH value of cancer cells at body temperature were loaded with Fluorouracil (5-FU) using equilibrium swelling method and studied for drug release behaviour in different pH. A significant influence of NGs polymer composition over pH dependent LCST was observed. NGs which were spherical with an average particle size of 268nm at room temperature, shrinked forming an irregular shape when heated above to their respective LCST. 5FU loaded NGs did not intervene any difference in pH depended LCST behaviour of NGs. The in vitro drug release of NGs exhibited a pH and thermo-dependent control release. The cytoxicity study of blank carrier to MCF7 cell line showed no cytotoxicity. The results indicated that PNA NGs could be used as a potential drug carrier for anti-cancer therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pH%20and%20thermo-sensitive" title="pH and thermo-sensitive">pH and thermo-sensitive</a>, <a href="https://publications.waset.org/abstracts/search?q=nanogels" title=" nanogels"> nanogels</a>, <a href="https://publications.waset.org/abstracts/search?q=P%28NIPAM-co-AAc%29" title=" P(NIPAM-co-AAc)"> P(NIPAM-co-AAc)</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-cancer" title=" anti-cancer"> anti-cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=5-FU" title=" 5-FU"> 5-FU</a> </p> <a href="https://publications.waset.org/abstracts/43882/ph-and-thermo-sensitive-nanogels-for-anti-cancer-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43882.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">350</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> Development of Mucoadhesive Multiparticulate System for Nasal Drug Delivery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20S.%20Hemant%20Yadav">K. S. Hemant Yadav</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20G.%20Shivakumar"> H. G. Shivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study investigation was to prepare and evaluate the mucoadhesive multi-particulate system for nasal drug delivery of anti-histaminic drug. Ebastine was chosen as the model drug. Drug loaded nanoparticles of Ebastine were prepared by ionic gelation method using chitosan as polymer using the drug-polymer weight ratios 1:1, 1:2, 1:3. Sodium tripolyphosphate (STPP) was used as the cross-linking agent in the range of 0.5 and 0.7% w/v. FTIR and DSC studies indicated that no chemical interaction occurred between the drug and polymers. Particle size ranged from 169 to 500 nm. The drug loading and entrapment efficiency was found to increase with increase in chitosan concentration and decreased with increase in poloxamer 407 concentration. The results of in vitro mucoadhesion carried out showed that all the prepared formulation had good mucoadhesive property and mucoadhesion increases with increase in the concentration of chitosan. The in vitro release pattern of all the formulations was observed to be in a biphasic manner characterized by slight burst effect followed by a slow release. By the end of 8 hrs, formulation F6 showed a release of only 86.9% which explains its sustained behaviour. The ex-vivo permeation of the pure drug ebastine was rapid than the optimized formulation(F6) indicating the capability of the chitosan polymer to control drug permeation rate through the sheep nasal mucosa. The results indicated that the mucoadhesive nanoparticulate system can be used for the nasal delivery of antihistaminic drugs in an effective manner. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nasal" title="nasal">nasal</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=ebastine" title=" ebastine"> ebastine</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-histaminic%20drug" title=" anti-histaminic drug"> anti-histaminic drug</a>, <a href="https://publications.waset.org/abstracts/search?q=mucoadhesive%20multi-particulate%20system" title=" mucoadhesive multi-particulate system"> mucoadhesive multi-particulate system</a> </p> <a href="https://publications.waset.org/abstracts/1786/development-of-mucoadhesive-multiparticulate-system-for-nasal-drug-delivery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1786.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">419</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> Preparation and Optimization of Curcumin-HPβCD Complex Bioadhesive Vaginal Films for Vaginal Candidiasis by Factorial Design</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Umme%20Hani">Umme Hani</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20G.%20Shivakumar"> H. G. Shivakumar</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20D.%20Younus%20Pasha"> M. D. Younus Pasha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this work was to design and optimize a novel vaginal drug delivery system for more effective treatment against vaginal candidiasis. To achieve a better therapeutic efficacy and patient compliance in the treatment for vaginal candidiasis, herbal antifungal agent Curcumin which is 2.5 fold more potent than fluconazole at inhibiting the adhesion of candida albicans has been formulated in a bio-adhesive vaginal film. Curcumin was formulated in bio-adhesive film formulations that could be retained in the vagina for prolonged intervals. The polymeric films were prepared by solvent evaporation and optimized for various physicodynamic and aesthetic properties. Curcumin HPβCD (Hydroxypropyl β Cyclodextrin) was first developed to increase the solubility of curcumin. The formation of the Curcumin HPβCD complex was characterized by scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and FT-IR and evaluated for its solubility. Curcumin HPβCD complex was formulated in a bio-adhesive film using hydroxypropyl methyl cellulose (HPMC) and Carbopol 934P and characterized. DSC and FT-IR data of Curcumin HPβCD indicate there was complex formation between the drug and HPβCD. The little moisture content (8.02±0.34% w/w) was present in the film, which helps them to remain stable and kept them from being completely dry and brittle. The mechanical properties, tensile strength, and percentage elongation at break reveal that the formulations were found to be soft and tough. The films showed good peelability, relatively good swelling index, and moderate tensile strength and retained vaginal mucosa up to 8 h. The developed Curcumin vaginal film could be a promising safe herbal medication and can ensure longer residence at the vagina and provide an efficient therapy for vaginal candidiasis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=curcumin" title="curcumin">curcumin</a>, <a href="https://publications.waset.org/abstracts/search?q=curcumin-HP%CE%B2CD%20complex" title=" curcumin-HPβCD complex"> curcumin-HPβCD complex</a>, <a href="https://publications.waset.org/abstracts/search?q=bio-adhesive%20vaginal%20film" title=" bio-adhesive vaginal film"> bio-adhesive vaginal film</a>, <a href="https://publications.waset.org/abstracts/search?q=vaginal%20candidiasis" title=" vaginal candidiasis"> vaginal candidiasis</a>, <a href="https://publications.waset.org/abstracts/search?q=23%20factorial%20design" title=" 23 factorial design"> 23 factorial design</a> </p> <a href="https://publications.waset.org/abstracts/11543/preparation-and-optimization-of-curcumin-hpvcd-complex-bioadhesive-vaginal-films-for-vaginal-candidiasis-by-factorial-design" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11543.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">382</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> Reclamation of Saline and Alkaline Soils through Aquaculture: A Review and Prospects for Future Research</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Shivakumar">M. Shivakumar</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20R.%20Somashekhar"> S. R. Somashekhar</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20V.%20Raju"> C. V. Raju </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Secondary salinization of agricultural lands in any command areas of the world is the major issue in the recent past. Currently, it is estimated that the 954 mh of saline and alkaline soil is present in the world. Thousands of hectares of land, getting added every year. Argentina, Bangladesh and Australia are most affected countries. In India, out of 142.80 million hectare (mh) cropped area, 56 mh is irrigated area. Of which, more than 9 mh (about 16.%) of land is found to be alkaline/saline. Due to continuous utilization of same land for same agricultural activities, excessive usage of fertilizers and water, most of the soils have become alkaline, saline or water logged. These lands are low productive and at times totally unfit for agricultural activities. These soils may or may not posses good physical condition, but plants may suffer from its inability to absorb water from salty solution. Plants suffer from dehydration and loose water to the soil, shrink, resulting death of plant. This process is called plasmolysis. It is the fact that soil is an independent, organic body of nature that acquires properties in accordance with forces which act upon it. Aquaculture is one of the solutions to utilize such problematic soils for food production. When the impoundments are constructed in an area 10-15% of the affected areas, the excess water along with the salts gets into impoundments and management of salt is easier in water than in the soil. Due to high organic input in aquaculture such as feed, manure and continuous deposition of fecal matter, pH of the soil gets reduced and over the period of time such soils can be put back into the original activity. Under National Agricultural Development Program (NADP), the project was implemented in 258 villages of Mandya District, Karnataka State, India and found that these lands can be effectively utilized for fish culture and increase the proteinacious food production by many folds while conserving the soils. The findings of the research can be adopted and up scaled in any country. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=saline%20and%20alkaline%20soils" title="saline and alkaline soils">saline and alkaline soils</a>, <a href="https://publications.waset.org/abstracts/search?q=Aquaculture" title=" Aquaculture"> Aquaculture</a>, <a href="https://publications.waset.org/abstracts/search?q=Problematic%20soils" title=" Problematic soils"> Problematic soils</a>, <a href="https://publications.waset.org/abstracts/search?q=Reclamation" title=" Reclamation"> Reclamation</a> </p> <a href="https://publications.waset.org/abstracts/123393/reclamation-of-saline-and-alkaline-soils-through-aquaculture-a-review-and-prospects-for-future-research" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123393.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">141</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> Light Weight Fly Ash Based Composite Material for Thermal Insulation Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bharath%20Kenchappa">Bharath Kenchappa</a>, <a href="https://publications.waset.org/abstracts/search?q=Kunigal%20Shivakumar"> Kunigal Shivakumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lightweight, low thermal conductivity and high temperature resistant materials or the system with moderate mechanical properties and capable of taking high heating rates are needed in both commercial and military applications. A single material with these attributes is very difficult to find and one needs to come with innovative ideas to make such material system using what is available. To bring down the cost of the system, one has to be conscious about the cost of basic materials. Such a material system can be called as the thermal barrier system. This paper focuses on developing, testing and characterization of material system for thermal barrier applications. The material developed is porous, low density, low thermal conductivity of 0.1062 W/m C and glass transition temperature about 310 C. Also, the thermal properties of the developed material was measured in both longitudinal and thickness direction to highlight the fact that the material shows isotropic behavior. The material is called modified Eco-Core which uses only less than 9% weight of high-char resin in the composite. The filler (reinforcing material) is a component of fly ash called Cenosphere, they are hollow micro-bubbles made of ceramic materials. Special mixing-technique is used to surface coat the fillers with a thin layer of resin to develop a point-to-point contact of particles. One could use commercial ceramic micro-bubbles instead of Cenospheres, but it is expensive. The bulk density of Cenospheres is about 0.35 g/cc and we could accomplish the composite density of about 0.4 g/cc. One percent filler weight of 3mm length standard drywall grade fibers was used to bring the added toughness. Both thermal and mechanical characterization was performed and properties are documented. For higher temperature applications (up to 1,000 C), a hybrid system was developed using an aerogel mat. Properties of combined material was characterized and documented. Thermal tests were conducted on both the bare modified Eco-Core and hybrid materials to assess the suitability of the material to a thermal barrier application. The hybrid material system was found to meet the requirement of the application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerogel" title="aerogel">aerogel</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20material" title=" porous material"> porous material</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20barrier" title=" thermal barrier"> thermal barrier</a> </p> <a href="https://publications.waset.org/abstracts/129240/light-weight-fly-ash-based-composite-material-for-thermal-insulation-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129240.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">111</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> Bioconversion of Antifungal Antibiotic Derived from Aspergillus Nidulans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Savitha%20Janakiraman">Savitha Janakiraman</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivakumar%20M.%20C"> Shivakumar M. C</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Anidulafungin, an advanced class of antifungal agent used for the treatment of chronic fungal infections, is derived from Echinocandin B nucleus, an intermediate metabolite of Echinocandin B produced by Aspergillus nidulans. The enzyme acylase derived from the fermentation broth of Actinoplanes utahensis (NRRL 12052) plays a key role in the bioconversion of echinocandin B to echinocandin B nucleus. The membrane-bound nature of acylase and low levels of expression contributes to the rate-limiting process of enzymatic deacylation, hence low yields of ECB nucleus and anidulafungin. In the present study, this is addressed through novel genetic engineering approaches of overexpression and heterologous expression studies, immobilization of whole cells of Actinoplanes utahensis (NRRL 12052) and Co-cultivation studies. Overexpression of the acylase gene in Actinoplanes utahensis (NRRL 12052) was done by increasing the gene copy number to increase the echinocandin B nucleus production. Echinocandin B acylase gene, under the control of a PermE* promoter, was cloned in pSET152 vector and introduced into Actinoplanes utahensis (NRRL12052) by a ɸC31-directed site-specific recombination method. The resultant recombinant strain (C2-18) showed a 3-fold increase in acylase expression, which was confirmed by HPLC analysis. Pichia pastoris is one of the most effective and versatile host systems for the production of heterologous proteins. The ECB acylase gene was cloned into pPIC9K vector with AOX1 promoter and was transformed into Pichia pastoris (GS115). The acylase expression was confirmed by protein expression and bioconversion studies. The heterologous expression of acylase in Pichia pastoris, is a milestone in the development of antifungals. Actively growing cells of Actinoplanes utahensis (NRRL 12052) were immobilized and tested for bioconversion ability which showed >90% conversion in each cycle. The stability of immobilized cell beads retained the deacylation ability up to 60 days and reusability was confirmed up to 4 cycles. The significant findings from the study have revealed that immobilization of whole cells of Actinoplanes utahensis (NRRL 12052) could be an alternative option for bioconversion of echinocandin B to echinocandin B nucleus, which has not been reported to date. The concept of co-cultivation of Aspergillus nidulans and Actinoplanes utahensis strains for the production of the echinocandin B nucleus was also carried out in order to produce echinocandin B nucleus. The process completely reduced the ECB purification step and, therefore, could be recommended as an ingenious method to improve the yield of the ECB nucleus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acylase" title="acylase">acylase</a>, <a href="https://publications.waset.org/abstracts/search?q=anidulafungin" title=" anidulafungin"> anidulafungin</a>, <a href="https://publications.waset.org/abstracts/search?q=antifungals" title=" antifungals"> antifungals</a>, <a href="https://publications.waset.org/abstracts/search?q=Aspergillus%20nidulans" title=" Aspergillus nidulans"> Aspergillus nidulans</a> </p> <a href="https://publications.waset.org/abstracts/154160/bioconversion-of-antifungal-antibiotic-derived-from-aspergillus-nidulans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154160.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">107</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> Comparative Economic Evaluation of Additional Respiratory Resources Utilized after Methylxanthine Initiation for the Treatment of Apnea of Prematurity in a South Asian Country</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shivakumar%20M">Shivakumar M</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Edward%20S%20Lewis"> Leslie Edward S Lewis</a>, <a href="https://publications.waset.org/abstracts/search?q=Shashikala%20Devadiga"> Shashikala Devadiga</a>, <a href="https://publications.waset.org/abstracts/search?q=Sonia%20Khurana"> Sonia Khurana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Methylxanthines are used for the treatment of AOP, to facilitate extubation and as a prophylactic agent to prevent apnea. Though the popularity of Caffeine has risen, it is expensive in a resource constrained developing countries like India. Objective: To evaluate the cost-effectiveness of Caffeine compared with Aminophylline treatment for AOP with respect to additional ventilatory resource utilized in different birth weight categorization. Design, Settings and Participants – Single centered, retrospective economic evaluation was done. Participants included preterm newborns with < 34 completed weeks of gestation age that were recruited under an Indian Council of Medical Research funded randomized clinical trial. Per protocol data was included from Neonatal Intensive Care Unit, Kasturba Hospital, Manipal, India between April 2012 and December 2014. Exposure: Preterm neonates were randomly allocated to either Caffeine or Aminophylline as per the trial protocol. Outcomes and Measures – We assessed surfactant requirement, duration of Invasive and Non-Invasive Ventilation, Total Methylxanthine cost and additional cost for respiratory support bared by the payers per day during hospital stay. For the purpose of this study Newborns were stratified as Category A – < 1000g, Category B – 1001 to 1500g and Category C – 1501 to 2500g. Results: Total 146 (Caffeine -72 and Aminophylline – 74) babies with Mean ± SD gestation age of 29.63 ± 1.89 weeks were assessed. 32.19% constitute of Category A, 55.48% were B and 12.33% were C. The difference in median duration of additional NIV and IMV support was statistically insignificant. However 60% of neonates who received Caffeine required additional surfactant therapy (p=0.02). The total median (IQR) cost of Caffeine was significantly high with Rs.10535 (Q3-6317.50, Q1-15992.50) where against Aminophylline cost was Rs.352 (Q3-236, Q1-709) (p < 0.001). The additional costs spent on respiratory support per day in neonates on either Methylxanthines were found to be statistically insignificant in the entire weight based category of our study. Whereas in Category B, the median O2 charges per day were found to have more in Caffeine treated newborns (p=0.05) with border line significance. In category A, providing one day NIV or IMV support significantly increases the unit log cost of Caffeine by 13.6% (CI – 95% ranging from 4 to 24; p=0.005) over log cost of Aminophylline. Conclusion: Cost of Caffeine is expensive than Aminophylline. It was found to be equally efficacious in reducing the number duration of NIV or IMV support. However adjusted with the NIV and IMV days of support, neonates fall in category A and category B who were on Caffeine pays excess amount of respiratory charges per day over aminophylline. In perspective of resource poor settings Aminophylline is cost saving and economically approachable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=methylxanthines%20include%20caffeine%20and%20aminophylline" title="methylxanthines include caffeine and aminophylline">methylxanthines include caffeine and aminophylline</a>, <a href="https://publications.waset.org/abstracts/search?q=AOP%20%28apnea%20of%20prematurity%29" title=" AOP (apnea of prematurity)"> AOP (apnea of prematurity)</a>, <a href="https://publications.waset.org/abstracts/search?q=IMV%20%28invasive%20mechanical%20ventilation%29" title=" IMV (invasive mechanical ventilation)"> IMV (invasive mechanical ventilation)</a>, <a href="https://publications.waset.org/abstracts/search?q=NIV%20%28non%20invasive%20ventilation%29" title=" NIV (non invasive ventilation)"> NIV (non invasive ventilation)</a>, <a href="https://publications.waset.org/abstracts/search?q=category%20a%20%E2%80%93%20%3C1000g" title=" category a – <1000g"> category a – <1000g</a>, <a href="https://publications.waset.org/abstracts/search?q=category%20b%20%E2%80%93%201001%20to%201500g%20and%20category%20c%20%E2%80%93%201501%20to%202500g" title=" category b – 1001 to 1500g and category c – 1501 to 2500g"> category b – 1001 to 1500g and category c – 1501 to 2500g</a> </p> <a href="https://publications.waset.org/abstracts/35733/comparative-economic-evaluation-of-additional-respiratory-resources-utilized-after-methylxanthine-initiation-for-the-treatment-of-apnea-of-prematurity-in-a-south-asian-country" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35733.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">433</span> </span> </div> </div> </div> </main> <footer> 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