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particle</title> <meta name="description" content="Search results for: nano particle"> <meta name="keywords" content="nano particle"> <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 navbar-toggler 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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="nano particle"> <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> 2632</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: nano particle</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2632</span> Structural Characterization and Application of Tio2 Nano-Partical</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maru%20Chetan">Maru Chetan</a>, <a href="https://publications.waset.org/abstracts/search?q=Desai%20Abhilash"> Desai Abhilash</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The structural characteristics & application of TiO2 powder with different phases are study by various techniques in this paper. TTIP, EG and citric acid use as Ti source and catalyst respectively synthesis for sol gel synthesis of TiO2 powder. To replace sol gel method we develop the new method of making nano particle of TiO2 powder. It is two route method one is physical and second one is chemical route. Specific aim to this process is to minimize the production cost and the large scale production of nano particle The synthesis product work characterize by EDAX, SEM, XRD tests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mortal%20and%20pestle" title="mortal and pestle">mortal and pestle</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20particle" title=" nano particle "> nano particle </a>, <a href="https://publications.waset.org/abstracts/search?q=TiO2" title=" TiO2"> TiO2</a>, <a href="https://publications.waset.org/abstracts/search?q=TTIP" title=" TTIP"> TTIP</a> </p> <a href="https://publications.waset.org/abstracts/24097/structural-characterization-and-application-of-tio2-nano-partical" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24097.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">321</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">2631</span> Experimental Investigation of Proton Exchange Membrane Fuel Cells Operated with Nano Fiber and Nano Fiber/Nano Particle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kevser%20Dincer">Kevser Dincer</a>, <a href="https://publications.waset.org/abstracts/search?q=Basma%20Waisi"> Basma Waisi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ozan%20Ozdemir"> M. Ozan Ozdemir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ugur%20Pasaogullari"> Ugur Pasaogullari</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeffrey%20McCutcheon"> Jeffrey McCutcheon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanofibers are defined as fibers with diameters less than 100 nanometers. They can be produced by interfacial polymerization, electrospinning and electrostatic spinning. In this study, behaviours of activated carbon nano fiber (ACNF), carbon nano-fiber (CNF), Polyacrylonitrile/carbon nanotube (PAN/CNT), Polyvinyl alcohol/nano silver (PVA/Ag) in PEM fuel cells are investigated experimentally. This material was used as gas diffusion layer (GDL) in PEM fuel cells. When the performances of these cells are compared to each other at 5x5 cm2 cell, it is found that the PVA/Ag exhibits the best performance among all. In this work, nano fiber and nano fiber/nano particles electrical conductivities have been studied to understand their effects on PEM fuel cell performance. According to the experimental results, the maximum electrical conductivity performance of the fuel cell with nanofiber was found to be at PVA/Ag. The electrical conductivities of CNF, ACNF, PAN/CNT are lower for PEM. The resistance of cell with PVA/Ag is lower than the resistance of cell with PAN/CNT, ACNF, CNF. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=proton%20exchange%20membrane%20fuel%20cells" title="proton exchange membrane fuel cells">proton exchange membrane fuel cells</a>, <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title=" electrospinning"> electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20nano%20fiber" title=" carbon nano fiber"> carbon nano fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=activate%20carbon%20nano-fiber" title=" activate carbon nano-fiber"> activate carbon nano-fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=PVA%20fiber" title=" PVA fiber"> PVA fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=PAN%20fiber" title=" PAN fiber"> PAN fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotube" title=" carbon nanotube"> carbon nanotube</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20particle%20nanocomposites" title=" nano particle nanocomposites"> nano particle nanocomposites</a> </p> <a href="https://publications.waset.org/abstracts/38111/experimental-investigation-of-proton-exchange-membrane-fuel-cells-operated-with-nano-fiber-and-nano-fibernano-particle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38111.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">391</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">2630</span> Synthesis of Nano Iron Copper Core-Shell by Using K-M Reactor </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Ahmed%20AbdelKawy">Mohamed Ahmed AbdelKawy</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20H.%20El-Shazly"> A. H. El-Shazly</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, Nano iron-copper core-shell was synthesized by using Kinetic energy micro reactor ( K-M reactor). The reaction between nano-pure iron with copper sulphate pentahydrate (CuSO4.5H2O) beside NaCMC as a stabilizer at K-M reactor gives many advantages in comparison with the traditional chemical method for production of nano iron-Copper core-shell in batch reactor. Many factors were investigated for its effect on the process performance such as initial concentrations of nano iron and copper sulphate pentahydrate solution. Different techniques were used for investigation and characterization of the produced nano iron particles such as SEM, XRD, UV-Vis, XPS, TEM and PSD. The produced Nano iron-copper core-shell particle using micro mixer showed better characteristics than those produced using batch reactor in different aspects such as homogeneity of the produced particles, particle size distribution and size, as core diameter 10nm particle size were obtained. The results showed that 10 nm core diameter were obtained using Micro mixer as compared to 80 nm core diameter in one-fourth the time required by using traditional batch reactor and high thickness of copper shell and good stability. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano%20iron" title="nano iron">nano iron</a>, <a href="https://publications.waset.org/abstracts/search?q=core-shell" title=" core-shell"> core-shell</a>, <a href="https://publications.waset.org/abstracts/search?q=reduction%20reaction" title=" reduction reaction"> reduction reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=K-M%20reactor" title=" K-M reactor "> K-M reactor </a> </p> <a href="https://publications.waset.org/abstracts/39924/synthesis-of-nano-iron-copper-core-shell-by-using-k-m-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39924.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">309</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">2629</span> The Method for Synthesis of Chromium Oxide Nano Particles as Increasing Color Intensity on Industrial Ceramics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bagher%20Aziz%20Kalantari">Bagher Aziz Kalantari</a>, <a href="https://publications.waset.org/abstracts/search?q=Javad%20Rafiei"> Javad Rafiei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Reza%20Talei%20Bavil%20Olyai"> Mohamad Reza Talei Bavil Olyai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Disclosed is a method of preparing a pigmentary chromium oxide nano particles having 50 percent particle size less than about 100nm. According to the disclosed method, a substantially dry solid composition of potassium dichromate and carbon active is heated in CO2 atmosphere to a temperature of about 600ºc for 1hr. Thereafter, the solid Cr2O3 product was washed twice with distilled water. The other aim of this study is to assess both the colouring performance and the potential of nano-pigments in the ceramic tile decoration. The rationable consists in nano-pigment application in several ceramics, including a comparison of colour performance with conventional micro-pigments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20chromium%20oxide" title="green chromium oxide">green chromium oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20particles" title=" nano particles"> nano particles</a>, <a href="https://publications.waset.org/abstracts/search?q=colour%20performances" title=" colour performances"> colour performances</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20size" title=" particle size"> particle size</a> </p> <a href="https://publications.waset.org/abstracts/46235/the-method-for-synthesis-of-chromium-oxide-nano-particles-as-increasing-color-intensity-on-industrial-ceramics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46235.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">335</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">2628</span> Preparation of Nano-Sized Samarium-Doped Yttrium Aluminum Garnet </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Tabatabaee">M. Tabatabaee</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Binavayan"> N. Binavayan</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20R.%20Nateghi"> M. R. Nateghi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research nano-size of yttrium aluminum garnet (YAG) containing lanthanide metals was synthesized by the sol-gel method in presente citric acid as a complexing agent. Samarium (III) was used to synthesis of YAG:M3+. The prepared powders were characterized by powder X-ray diffraction (PXRD). The size distribution and morphology of the samples were analyzed by scanning electron microscopy (SEM). XRD results show that Sm, La, and ce doped YAG crystallizes in the cubic system and additional peaks compared to pure YAG can be assigned to the presence of Sm in the synthesize YAG. The SEM images show possess spherical nano-sized particle with average 50 nm in diameter. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=citric%20acid" title="citric acid">citric acid</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20particle" title=" nano particle"> nano particle</a>, <a href="https://publications.waset.org/abstracts/search?q=samarium" title=" samarium"> samarium</a>, <a href="https://publications.waset.org/abstracts/search?q=yttrium%20aluminum%20garnet" title=" yttrium aluminum garnet"> yttrium aluminum garnet</a> </p> <a href="https://publications.waset.org/abstracts/23331/preparation-of-nano-sized-samarium-doped-yttrium-aluminum-garnet" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23331.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">303</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">2627</span> Behavior of Fibre Reinforced Polymer Composite with Nano-Ceramic Particle under Ballistic Impact and Quasi-Static Punch-Shear Loading </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Rajalakshmi">K. Rajalakshmi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Vasudevan"> A. Vasudevan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The performance of Fibre Reinforced Polymer composite with the nano-ceramic particle as function of time and thickness of laminate which is subjected to ballistic impact and quasi-static punch-shear loading is investigated. The material investigated is made up of several layers of Kevlar fibres which are fabricated with nano-ceramic particles and epoxy resin by compression moulding. The ballistic impact and quasi-static punch-shear loading are studied experimentally and numerically. The failure mechanism is observed using scanning electron microscope (SEM). The result obtained in the experiment and numerical studies are compared. Due to nano size of the ceramic particle, the strength to weight ratio and penetrating resistance will improve in Fibre Reinforced Polymer composite which will have better impact property compared to ceramic plates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ballistic%20impact" title="ballistic impact">ballistic impact</a>, <a href="https://publications.waset.org/abstracts/search?q=Kevlar" title=" Kevlar"> Kevlar</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20ceramic" title=" nano ceramic"> nano ceramic</a>, <a href="https://publications.waset.org/abstracts/search?q=penetration" title=" penetration"> penetration</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20composite" title=" polymer composite"> polymer composite</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20plug" title=" shear plug"> shear plug</a> </p> <a href="https://publications.waset.org/abstracts/75932/behavior-of-fibre-reinforced-polymer-composite-with-nano-ceramic-particle-under-ballistic-impact-and-quasi-static-punch-shear-loading" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75932.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">288</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">2626</span> Oxygen Absorption Enhancement during Sulfite Forced Oxidation in the Presence of Nano-Particles </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhao%20Bo">Zhao Bo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The TiO2-Na2SO3 and SiO2-Na2SO3 nano-fluids were prepared using ultrasonic dispertion method without any surfactant addition to study the influence of nano-fluids on the mass transfer during forced sulfite oxidation in a thermostatic stirred tank, and the kinetic viscosity of nano-fluids was measured. The influence of temperature (30 ℃ ~ 50 ℃), solid loading of fine particle (0 Kg/m³~1.0 Kg/m³), stirring speed (50 r/min ~ 400 r/min), and particle size (10 nm~100 nm) on the average oxygen absorption rate were investigated in detail. Both TiO2 nano-particles and SiO2 nano-particles could remarkably improve the gas-liquid mass transfer. Oxygen absorption enhancement factor increases with the increase of solid loading of nano-particles to a critical value and then decreases with further increase of solid loading under 30℃. Oxygen absorption rate together with absorption enhancement factor increases with stirring speed. However, oxygen absorption enhancement factor decreases with the increase of temperature due to aggregation of nano-particles. Further inherent relationship between particle size, loading, surface area, viscosity, stirring speed, temperature, adsorption, desorption, and mass transfer was discussed in depth by analyzing the interaction mechanism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fine%20particles" title="fine particles">fine particles</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-fluid" title=" nano-fluid"> nano-fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20transfer%20enhancement" title=" mass transfer enhancement"> mass transfer enhancement</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20loading" title=" solid loading"> solid loading</a> </p> <a href="https://publications.waset.org/abstracts/2735/oxygen-absorption-enhancement-during-sulfite-forced-oxidation-in-the-presence-of-nano-particles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2735.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">238</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">2625</span> Preparation and Characterization of Nano-Metronidazole by Planetary Ball-Milling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahriar%20Ghammamy">Shahriar Ghammamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Gholipoor"> Maryam Gholipoor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Metronidazole nano -powders with the average mean particle size around 90 nm were synthesized by high-energy milling using a planetary ball mill is provided. The Scattering factors, milling of time,the ball size and ball to powder ratio on the material properties powder by the Ray diffraction (XRD) study, scanning electron microscopy (SEM), IR. It has been observed that the density of nano-sized grinding balls as ball to powder ratio depends. Using the dispersion factor, the density Can be reduced below the initial particle size was achieved. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metronidazole" title="metronidazole">metronidazole</a>, <a href="https://publications.waset.org/abstracts/search?q=ball-milling" title=" ball-milling"> ball-milling</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD%20diffraction" title=" XRD diffraction"> XRD diffraction</a> </p> <a href="https://publications.waset.org/abstracts/16630/preparation-and-characterization-of-nano-metronidazole-by-planetary-ball-milling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16630.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">401</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">2624</span> Curcumin-Loaded Phenethyl Isothiocyanate Nano-Spheres: Preparation, Stability Study, and Its Implication for Cataract Prevention</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pankaj%20Dinesh%20Baviskar">Pankaj Dinesh Baviskar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines the impact of curcumin-loaded nano-spheres in the form of emulsions on fish eye cataracts. Curcumin nanoemulsions were prepared by using phenethyl isothiocyanate. Nanoemulsions were synthesized by ultrasound-assisted method at 150 Watt. A zeta potential measurement for curcumin-loaded nanoemulsions was found to be -30.7eV, -13.4eV, and -9.55eV, and particle size was found to be 149.3 nm, 245.3 and nm 403.5 nm using particle size analyzer respectively for different conditions. The surface morphology of nano-spheres was examined by FE-SEM analysis. The zeta potential measured indicates its stability for corresponding nano-spheres. The anti-cataract application was studied by using isolated fish eye lenses. The cataract was induced using high glucose concentrated solution. The biochemical parameters in the form of reduced glutathione were measured to interpret the anti-cataract ability of curcumin-loaded nanoemulsions. <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=nano" title=" nano"> nano</a>, <a href="https://publications.waset.org/abstracts/search?q=cataract" title=" cataract"> cataract</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoemulsion" title=" nanoemulsion"> nanoemulsion</a> </p> <a href="https://publications.waset.org/abstracts/157135/curcumin-loaded-phenethyl-isothiocyanate-nano-spheres-preparation-stability-study-and-its-implication-for-cataract-prevention" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157135.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">2623</span> Nano-Particle of π-Conjugated Polymer for Near-Infrared Bio-Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hiroyuki%20Aoki">Hiroyuki Aoki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Molecular imaging has attracted much attention recently, which visualizes biological molecules, cells, tissue, and so on. Among various in vivo imaging techniques, the fluorescence imaging method has been widely employed as a useful modality for small animals in pre-clinical researches. However, the higher signal intensity is needed for highly sensitive in vivo imaging. The objective of the current study is the development of a fluorescent imaging agent with high brightness for the tumor imaging of a mouse. The strategy to enhance the fluorescence signal of a bio-imaging agent is the increase of the absorption of the excitation light and the fluorescence conversion efficiency. We developed a nano-particle fluorescence imaging agent consisting of a π-conjugated polymer emitting a fluorescence signal in a near infrared region. A large absorption coefficient and high emission intensity at a near infrared optical window for biological tissue enabled highly sensitive in vivo imaging with a tumor-targeting ability by an EPR (enhanced permeation and retention) effect. The signal intensity from the π-conjugated fluorescence imaging agent is larger by two orders of magnitude compared to a quantum dot, which has been known as the brightest imaging agent. The π-conjugated polymer nano-particle would be a promising candidate in the in vivo imaging of small animals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluorescence" title="fluorescence">fluorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=conjugated%20polymer" title=" conjugated polymer"> conjugated polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vivo%20imaging" title=" in vivo imaging"> in vivo imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-particle" title=" nano-particle"> nano-particle</a>, <a href="https://publications.waset.org/abstracts/search?q=near-infrared" title=" near-infrared"> near-infrared</a> </p> <a href="https://publications.waset.org/abstracts/97998/nano-particle-of-p-conjugated-polymer-for-near-infrared-bio-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97998.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">478</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">2622</span> Effect of Nano Packaging Containing Ag-TiO₂ in Inactivating the Selected Bacteria Experimentally Exposed to the Chicken-Eggshell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Ahari">Hamed Ahari</a>, <a href="https://publications.waset.org/abstracts/search?q=Sepideh%20Farokhi"> Sepideh Farokhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Reza%20Abedini"> Mohamad Reza Abedini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on inactivation of the growth of the bacterial mixture, Salmonella enteritidis, Staphylococcus aureus, Bacillus cereus and Escherichia coli, experimentally subjected to the chicken eggshell by two types of nano particle-Ag, composite film and colloidal spray carried out at concentrations of 500, 1000 and 2000 ppm over 28 days. The GLM, Repeated Measurement-ANOVA procedure was used to analyze the effect of time and concentration of nano groups on inactivation of bacteria, simultaneously. The maximum reduction of the bacterial growth was respected to the group “spray 2000 ppm” for which the value of the bacteria reached the minimum (0.93±0.42) on day 7, calculated to be 0.0 on days14 and 28 and followed by the group “spray 1000 ppm”. It was obviously concluded that increasing the dilution of nano coating in spray and film created a significant decrease in the number of bacteria colonies on the eggshells but the effect of packaging in different concentrations of nanocomposite was not statistically significant in different days of the study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano%20particle" title="nano particle">nano particle</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20film" title=" composite film"> composite film</a>, <a href="https://publications.waset.org/abstracts/search?q=eggshell" title=" eggshell"> eggshell</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a> </p> <a href="https://publications.waset.org/abstracts/53151/effect-of-nano-packaging-containing-ag-tio2-in-inactivating-the-selected-bacteria-experimentally-exposed-to-the-chicken-eggshell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53151.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">394</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">2621</span> Design and Synthesis of Gradient Nanocomposite Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pu%20Ying-Chih">Pu Ying-Chih</a>, <a href="https://publications.waset.org/abstracts/search?q=Yang%20Yin-Ju"> Yang Yin-Ju</a>, <a href="https://publications.waset.org/abstracts/search?q=Hang%20Jian-Yi"> Hang Jian-Yi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jang%20Guang-Way"> Jang Guang-Way </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Organic-Inorganic hybrid materials consisting of graded distributions of inorganic nano particles in organic polymer matrices were successfully prepared by the sol-gel process. Optical and surface properties of the resulting nano composites can be manipulated by changing their compositions and nano particle distribution gradients. Applications of gradient nano composite materials include sealants for LED packaging and screen lenses for smartphones. Optical transparency, prism coupler, TEM, SEM, Energy Dispersive X-ray Spectrometer (EDX), Izod impact strength, conductivity, pencil hardness, and thermogravimetric characterizations of the nano composites were performed and the results will be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gradient" title="Gradient">Gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=Hybrid" title=" Hybrid"> Hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=Nanocomposite" title=" Nanocomposite"> Nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=Organic-Inorganic" title=" Organic-Inorganic"> Organic-Inorganic</a> </p> <a href="https://publications.waset.org/abstracts/25011/design-and-synthesis-of-gradient-nanocomposite-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25011.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">506</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">2620</span> Zinc Oxid Nanotubes Modified by SiO2 as a Recyclable Catalyst for the Synthesis of 2,3-Dihydroquinazolin-4(1H)-Ones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rakhshan%20Hakimelahi">Rakhshan Hakimelahi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, zinc oxid nano tubes have attracted much attention. The direct use of zinc oxid nano tubes modified by SiO2 as recoverable catalysts for organic reactions is very rare. The catalysts were characterized by XRD. The average particle size of ZnO catalysts is 57 nm and there are high density defects on nano tubes surfaces. A simple and efficient method for the quinazolin derivatives synthesis from the condensation isatoic anhydride and an aromatic aldehyde with ammonium acetate in the presence of a catalytic amount zinc oxid nano tubes modified by SiO2 is described. The reason proposed for higher catalytic activity of zinc oxid nano tubes modified by SiO2 is a combination effect of the small particle size and high-density surface defects. The practical and simple method led to excellent yields of the 2,3-Di hydro quinazolin-4(1H)-one derivatives under mild conditions and within short times. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2" title="2">2</a>, <a href="https://publications.waset.org/abstracts/search?q=3-Dihydroquinazolin-4%281H%29-one%20derivatives" title="3-Dihydroquinazolin-4(1H)-one derivatives">3-Dihydroquinazolin-4(1H)-one derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=reusable%20catalyst" title=" reusable catalyst"> reusable catalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=SiO2" title=" SiO2"> SiO2</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20oxid%20nanotubes" title=" zinc oxid nanotubes"> zinc oxid nanotubes</a> </p> <a href="https://publications.waset.org/abstracts/57045/zinc-oxid-nanotubes-modified-by-sio2-as-a-recyclable-catalyst-for-the-synthesis-of-23-dihydroquinazolin-41h-ones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57045.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">372</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">2619</span> The Physical Impact of Nano-Layer Due to Dispersions of Carbon Nano-Tubes through an Absorbent Channel: A Numerical Nano-Fluid Flow Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Zubair%20Akbar%20Qureshi">Muhammad Zubair Akbar Qureshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Bari%20%20Farooq"> Abdul Bari Farooq</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The intention of the current study to analyze the significance of nano-layer in incompressible magneto-hydrodynamics (MHD) flow of a Newtonian nano-fluid consisting of carbon nano-materials has been considered through an absorbent channel with moving porous walls. Using applicable similarity transforms, the governing equations are converted into a system of nonlinear ordinary differential equations which are solved by using the 4th-order Runge-Kutta technique together with shooting methodology. The phenomena of nano-layer have also been modeled mathematically. The inspiration behind this segment is to reveal the behavior of involved parameters on velocity and temperature profiles. A detailed table is presented in which the effects of involved parameters on shear stress and heat transfer rate are discussed. Specially presented the impact of the thickness of the nano-layer and radius of the particle on the temperature profile. We observed that due to an increase in the thickness of the nano-layer, the heat transfer rate increases rapidly. The consequences of this research may be advantageous to the applications of biotechnology and industrial motive. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nano-tubes" title="carbon nano-tubes">carbon nano-tubes</a>, <a href="https://publications.waset.org/abstracts/search?q=magneto-hydrodynamics" title=" magneto-hydrodynamics"> magneto-hydrodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-layer" title=" nano-layer"> nano-layer</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity" title=" thermal conductivity"> thermal conductivity</a> </p> <a href="https://publications.waset.org/abstracts/129942/the-physical-impact-of-nano-layer-due-to-dispersions-of-carbon-nano-tubes-through-an-absorbent-channel-a-numerical-nano-fluid-flow-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129942.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">128</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">2618</span> The Effect of Aluminum Oxide Nanoparticles on the Optical Properties of (PVP-PEG) Blend</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Hakim">Hussein Hakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Zainab%20Al-Ramadhan"> Zainab Al-Ramadhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Hashim"> Ahmed Hashim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polymer nano composites of polyvinylpyrrolidone and poly-ethylene glycol with different concentrations of aluminum oxide (Al2O3) nano particles have been prepared by solution cast method. The optical characterizations have been done by analyzing the absorption (A) spectra in the 300–800 nm spectral region. It was found that the optical energy gap decreases with the increasing of Al2O3 nano particles content. The optical constants (refractive index, extinction coefficient, real and imaginary parts of the dielectric constant) are changing with increasing aluminum oxide nano particle concentrations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title="nanocomposites">nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=polyvinylpyrrolidone" title=" polyvinylpyrrolidone"> polyvinylpyrrolidone</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20constants" title=" optical constants"> optical constants</a>, <a href="https://publications.waset.org/abstracts/search?q=polymers" title=" polymers"> polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=blend" title=" blend"> blend</a> </p> <a href="https://publications.waset.org/abstracts/32971/the-effect-of-aluminum-oxide-nanoparticles-on-the-optical-properties-of-pvp-peg-blend" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32971.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">424</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">2617</span> Stabilization of Transition Metal Chromite Nanoparticles in Silica Matrix</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Plocek">J. Plocek</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Holec"> P. Holec</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Kubickova"> S. Kubickova</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Pacakova"> B. Pacakova</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Matulkova"> I. Matulkova</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Mantlikova"> A. Mantlikova</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20N%C4%9Bmec"> I. Němec</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Niznansky"> D. Niznansky</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Vejpravova"> J. Vejpravova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents summary on preparation and characterization of zinc, copper, cadmium and cobalt chromite nano crystals, embedded in an amorphous silica matrix. The ZnCr2O4/SiO2, CuCr2O4/SiO2, CdCr2O4/SiO2 and CoCr2O4/SiO2 nano composites were prepared by a conventional sol-gel method under acid catalysis. Final heat treatment of the samples was carried out at temperatures in the range of 900–1200 °C to adjust the phase composition and the crystallite size, respectively. The resulting samples were characterized by Powder X-ray diffraction (PXRD), High Resolution Transmission Electron Microscopy (HRTEM), Raman/FTIR spectroscopy and magnetic measurements. Formation of the spinel phase was confirmed in all samples. The average size of the nano crystals was determined from the PXRD data and by direct particle size observation on HRTEM; both results were correlated. The mean particle size (reviewed by HRTEM) was in the range from ~ 4 to 46 nm. The results showed that the sol-gel method can be effectively used for preparation of the spinel chromite nano particles embedded in the silica matrix and the particle size is driven by the type of the cation A2+ in the spinel structure and the temperature of the final heat treatment. Magnetic properties of the nano crystals were found to be just moderately modified in comparison to the bulk phases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sol-gel%20method" title="sol-gel method">sol-gel method</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposites" title=" nanocomposites"> nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=Rietveld%20refinement" title=" Rietveld refinement"> Rietveld refinement</a>, <a href="https://publications.waset.org/abstracts/search?q=Raman%20spectroscopy" title=" Raman spectroscopy"> Raman spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=Fourier%20transform%20infrared%20spectroscopy" title=" Fourier transform infrared spectroscopy"> Fourier transform infrared spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20properties" title=" magnetic properties"> magnetic properties</a>, <a href="https://publications.waset.org/abstracts/search?q=spinel" title=" spinel"> spinel</a>, <a href="https://publications.waset.org/abstracts/search?q=chromite" title=" chromite"> chromite</a> </p> <a href="https://publications.waset.org/abstracts/18698/stabilization-of-transition-metal-chromite-nanoparticles-in-silica-matrix" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18698.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">216</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">2616</span> Effect of Nano-CaCO₃ Addition on the Nano-Mechanical Properties of Cement Paste</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muzeyyen%20Balcikanli">Muzeyyen Balcikanli</a>, <a href="https://publications.waset.org/abstracts/search?q=Selma%20Ozaslan"> Selma Ozaslan</a>, <a href="https://publications.waset.org/abstracts/search?q=Osman%20Sahin"> Osman Sahin</a>, <a href="https://publications.waset.org/abstracts/search?q=Burak%20Uzal"> Burak Uzal</a>, <a href="https://publications.waset.org/abstracts/search?q=Erdogan%20Ozbay"> Erdogan Ozbay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of nano-CaCO3 replacement with cement on the nano-mechanical properties of cement paste was investigated. Hydrophobic and hydrophilic characteristics Two types of nano CaCO3 were replaced with Portland cement at 0, 0.5 and 1%. Water to (cement+nano-CaCO3) ratio was kept constant at 0.5 for all mixtures. 36 indentations were applied on each cement paste, and the values of nano-hardness and elastic modulus of cement pastes were determined from the indentation depth-load graphs. Then, by getting the average of them, nano-hardness and elastic modulus were identified for each mixture. Test results illustrate that replacement of hydrophilic n-CaCO3 with cement lead to a significant increase in nano-mechanical properties, however, replacement of hydrophobic n-CaCO3 with cement worsened the nano-mechanical properties considerably. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanoindenter" title="nanoindenter">nanoindenter</a>, <a href="https://publications.waset.org/abstracts/search?q=CaCO3" title=" CaCO3"> CaCO3</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-hardness" title=" nano-hardness"> nano-hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-mechanical%20properties" title=" nano-mechanical properties"> nano-mechanical properties</a> </p> <a href="https://publications.waset.org/abstracts/54618/effect-of-nano-caco3-addition-on-the-nano-mechanical-properties-of-cement-paste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54618.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">287</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">2615</span> Influence of Silicon Carbide Particle Size and Thermo-Mechanical Processing on Dimensional Stability of Al 2124SiC Nanocomposite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20M.%20Emara">Mohamed M. Emara</a>, <a href="https://publications.waset.org/abstracts/search?q=Heba%20Ashraf"> Heba Ashraf</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is to investigation the effect of silicon carbide (SiC) particle size and thermo-mechanical processing on dimensional stability of aluminum alloy 2124. Three combinations of SiC weight fractions are investigated, 2.5, 5, and 10 wt. % with different SiC particle sizes (25 μm, 5 μm, and 100nm) were produced using mechanical ball mill. The standard testing samples were fabricated using powder metallurgy technique. Both samples, prior and after extrusion, were heated from room temperature up to 400ºC in a dilatometer at different heating rates, that is, 10, 20, and 40ºC/min. The analysis showed that for all materials, there was an increase in length change as temperature increased and the temperature sensitivity of aluminum alloy decreased in the presence of both micro and nano-sized silicon carbide. For all conditions, nanocomposites showed better dimensional stability compared to conventional Al 2124/SiC composites. The after extrusion samples showed better thermal stability and less temperature sensitivity for the aluminum alloy for both micro and nano-sized silicon carbide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aluminum%202124%20metal%20matrix%20composite" title="aluminum 2124 metal matrix composite">aluminum 2124 metal matrix composite</a>, <a href="https://publications.waset.org/abstracts/search?q=SiC%20nano-sized%20reinforcements" title=" SiC nano-sized reinforcements"> SiC nano-sized reinforcements</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20metallurgy" title=" powder metallurgy"> powder metallurgy</a>, <a href="https://publications.waset.org/abstracts/search?q=extrusion%20mechanical%20ball%20mill" title=" extrusion mechanical ball mill"> extrusion mechanical ball mill</a>, <a href="https://publications.waset.org/abstracts/search?q=dimensional%20stability" title=" dimensional stability"> dimensional stability</a> </p> <a href="https://publications.waset.org/abstracts/20367/influence-of-silicon-carbide-particle-size-and-thermo-mechanical-processing-on-dimensional-stability-of-al-2124sic-nanocomposite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20367.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">526</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">2614</span> On the Quantum Behavior of Nanoparticles: Quantum Theory and Nano-Pharmacology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kurudzirayi%20Robson%20Musikavanhu">Kurudzirayi Robson Musikavanhu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanophase particles exhibit quantum behavior by virtue of their small size, being particles of gamma to x-ray wavelength [atomic range]. Such particles exhibit high frequencies, high energy/photon, high penetration power, high ionization power [atomic behavior] and are stable at low energy levels as opposed to bulk phase matter [macro particles] which exhibit higher wavelength [radio wave end] properties, hence lower frequency, lower energy/photon, lower penetration power, lower ionizing power and are less stable at low temperatures. The ‘unique’ behavioral motion of Nano systems will remain a mystery as long as quantum theory remains a mystery, and for pharmacology, pharmacovigilance profiling of Nano systems becomes virtually impossible. Quantum theory is the 4 – 3 – 5 electromagnetic law of life and life motion systems on planet earth. Electromagnetic [wave-particle] properties of all particulate matter changes as mass [bulkiness] changes from one phase to the next [Nano-phase to micro-phase to milli-phase to meter-phase to kilometer phase etc.] and the subsequent electromagnetic effect of one phase particle on bulk matter [different phase] changes from one phase to another. All matter exhibit electromagnetic properties [wave-particle duality] in behavior and the lower the wavelength [and the lesser the bulkiness] the higher the gamma ray end properties exhibited and the higher the wavelength [and the greater the bulkiness], the more the radio-wave end properties are exhibited. Quantum theory is the 4 [moon] – 3[sun] – [earth] 5 law of the Electromagnetic spectrum [solar system]. 4 + 3 = 7; 4 + 3 + 5 = 12; 4 * 3 * 5 = 60; 42 + 32 = 52; 43 + 33 + 53 = 63. Quantum age is overdue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20solar%20system" title="electromagnetic solar system">electromagnetic solar system</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-material" title=" nano-material"> nano-material</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20pharmacology" title=" nano pharmacology"> nano pharmacology</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmacovigilance" title=" pharmacovigilance"> pharmacovigilance</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20theory" title=" quantum theory"> quantum theory</a> </p> <a href="https://publications.waset.org/abstracts/43516/on-the-quantum-behavior-of-nanoparticles-quantum-theory-and-nano-pharmacology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43516.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">450</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">2613</span> Enhancement of CO2 Capture by Using Cu-Nano-Zeolite Synthesized</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pham-Thi%20Huong">Pham-Thi Huong</a>, <a href="https://publications.waset.org/abstracts/search?q=Byeong-Kyu%20Lee"> Byeong-Kyu Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Chi-Hyeon%20Lee"> Chi-Hyeon Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jitae%20Kim"> Jitae Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study synthesized Cu-nano-zeolite was evaluated for its potential use in CO2 capture. The specific surface area of Cu-nano zeolite was measured as 869.32 m2/g with a pore size of 3.86 nm. The adsorption capacity of CO2 by Cu-nano zeolite was decreased with increasing temperature. The identified adsorption capacity of CO2 by Cu-nano zeolite was 7.16 mmol/g at a temperature of 20 oC and at pressure of 1 atm. The adoption selectivity of CO2 over N2 strongly depend on the temperature and the highest selectivity by Cu-nano zeolite was 50.71 at 20 oC. From analysis of regeneration characteristics of CO2 loaded adsorbent, the percentage removal of CO2 was maintained at more than 78.2 % even after 10 cycles of adsorption-desorption. Based on these result, the Cu-nano zeolite can be used as an effective and economical adsorbent for CO2 capture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CO2%20capture" title="CO2 capture">CO2 capture</a>, <a href="https://publications.waset.org/abstracts/search?q=selectivity" title=" selectivity"> selectivity</a>, <a href="https://publications.waset.org/abstracts/search?q=Cu-nano%20zeolite" title=" Cu-nano zeolite"> Cu-nano zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=regeneration." title=" regeneration. "> regeneration. </a> </p> <a href="https://publications.waset.org/abstracts/44457/enhancement-of-co2-capture-by-using-cu-nano-zeolite-synthesized" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44457.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">320</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">2612</span> Tuneability Sub-10-nm WO3 Nano-Flakes and Their Electrical Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Zhuiykov">S. Zhuiykov</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Kats"> E. Kats</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electrical properties and morphology of orthorhombic β–WO3 nano-flakes with thickness of ~7-9 nm were investigated at the nano scale using energy dispersive X-ray diffraction (XRD), X-ray photo electron spectroscopy (XPS) and current sensing force spectroscopy atomic force microscopy (CSFS-AFM, or PeakForce TUNATM). CSFS-AFM analysis established good correlation between the topography of the developed nano-structures and various features of WO3 nano-flakes synthesized via a two-step sol-gel-exfoliation method. It was determined that β–WO3 nano-flakes annealed at 550ºC possess distinguished and exceptional thickness-dependent properties in comparison with the bulk, micro- and nano-structured WO3 synthesized at alternative temperatures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20properties" title="electrical properties">electrical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=layered%20semiconductors" title=" layered semiconductors"> layered semiconductors</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-flake" title=" nano-flake"> nano-flake</a>, <a href="https://publications.waset.org/abstracts/search?q=sol-gel" title=" sol-gel"> sol-gel</a>, <a href="https://publications.waset.org/abstracts/search?q=exfoliation%20WO3" title=" exfoliation WO3"> exfoliation WO3</a> </p> <a href="https://publications.waset.org/abstracts/11409/tuneability-sub-10-nm-wo3-nano-flakes-and-their-electrical-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11409.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">245</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">2611</span> Development of Polymer Nano-Particles as in vivo Imaging Agents for Photo-Acoustic Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hiroyuki%20Aoki">Hiroyuki Aoki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Molecular imaging has attracted much attention to visualize a tumor site in a living body on the basis of biological functions. A fluorescence in vivo imaging technique has been widely employed as a useful modality for small animals in pre-clinical researches. However, it is difficult to observe a site deep inside a body because of a short penetration depth of light. A photo-acoustic effect is a generation of a sound wave following light absorption. Because the sound wave is less susceptible to the absorption of tissues, an in vivo imaging method based on the photoacoustic effect can observe deep inside a living body. The current study developed an in vivo imaging agent for a photoacoustic imaging method. Nano-particles of poly(lactic acid) including indocyanine dye were developed as bio-compatible imaging agent with strong light absorption. A tumor site inside a mouse body was successfully observed in a photo-acoustic image. A photo-acoustic imaging with polymer nano-particle agent would be a powerful method to visualize a tumor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano-particle" title="nano-particle">nano-particle</a>, <a href="https://publications.waset.org/abstracts/search?q=photo-acoustic%20effect" title=" photo-acoustic effect"> photo-acoustic effect</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer" title=" polymer"> polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=dye" title=" dye"> dye</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vivo%20imaging" title=" in vivo imaging"> in vivo imaging</a> </p> <a href="https://publications.waset.org/abstracts/101895/development-of-polymer-nano-particles-as-in-vivo-imaging-agents-for-photo-acoustic-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101895.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">155</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">2610</span> Preparation and Structural Analysis of Nano-Ciprofloxacin by Fourier Transform X-Ray Diffraction, Infra-Red Spectroscopy, and Semi Electron Microscope (SEM)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahriar%20Ghammamy">Shahriar Ghammamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehrnoosh%20Saboony"> Mehrnoosh Saboony</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: To evaluate the spectral specification (IR-XRD and SEM) of nano-ciprofloxacin that prepared by up-down method (satellite mill). Methods: the ciprofloxacin was minimized to nano-scale with satellite mill and its characterization evaluated by Infrared spectroscopy, XRD diffraction and semi electron microscope (SEM). Expectation enhances the antibacterial property of nano-ciprofloxacin in comparison to ciprofloxacin. IR spectrum of nano-ciprofloxacin compared with spectrum of ciprofloxacin, and both of them were almost agreement with a difference: the peaks in spectrum of nano-ciprofloxacin were sharper than peaks in spectrum of ciprofloxacin. X-Ray powder diffraction analysis of nano-ciprofloxacin shows the diameter of particles equal to 90.9nm. (on the basis of Scherer Equation). SEM image shows the global shape for nano-ciprofloxacin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibiotic" title="antibiotic">antibiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=ciprofloxacin" title=" ciprofloxacin"> ciprofloxacin</a>, <a href="https://publications.waset.org/abstracts/search?q=nano" title=" nano"> nano</a>, <a href="https://publications.waset.org/abstracts/search?q=IR" title=" IR"> IR</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/16676/preparation-and-structural-analysis-of-nano-ciprofloxacin-by-fourier-transform-x-ray-diffraction-infra-red-spectroscopy-and-semi-electron-microscope-sem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16676.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">514</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">2609</span> Preparation and Structural Analysis of Nano Ciprofloxacin by Fourier Transform Infra-Red Spectroscopy, X-Ray Diffraction and Semi Electron Microscope (SEM)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahriar%20Ghammamy">Shahriar Ghammamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehrnoosh%20Saboony"> Mehrnoosh Saboony</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Purpose: to evaluate the spectral specification(IR-XRD and SEM) of nano ciprofloxacin that prepared by up-down method (satellite mill). Methods: the ciprofloxacin was minimized to nano-scale with satellite mill and it,s characterization evaluated by Infrared spectroscopy, XRD diffraction and semi electron microscope (SEM). Expectation: to enhance the antibacterial property of nano ciprofloxacin in comparison to ciprofloxacin.IR spectrum of nano ciprofloxacin compared with spectrum of ciprofloxacin, and both of them were almost agreement with a difference: the peaks in spectrum of nano ciprofloxacin was sharper than peaks in spectrum of ciprofloxacin. X-Ray powder diffraction analysis of nano ciprofloxacin showes the diameter of particles equal to 90.9 nm (on the basis of scherrer equation). SEM image showes the global shape for nano ciprofloxacin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibiotic" title="antibiotic">antibiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=ciprofloxacin" title=" ciprofloxacin"> ciprofloxacin</a>, <a href="https://publications.waset.org/abstracts/search?q=nano" title=" nano"> nano</a>, <a href="https://publications.waset.org/abstracts/search?q=IR" title=" IR"> IR</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/16667/preparation-and-structural-analysis-of-nano-ciprofloxacin-by-fourier-transform-infra-red-spectroscopy-x-ray-diffraction-and-semi-electron-microscope-sem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16667.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">410</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">2608</span> MHD Boundary Layer Flow of a Nanofluid Past a Wedge Shaped Wick in Heat Pipe</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ziya%20Uddin">Ziya Uddin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the theoretical and numerical investigation of magneto-hydrodynamic boundary layer flow of a nano fluid past a wedge shaped wick in heat pipe used for the cooling of electronic components and different type of machines. To incorporate the effect of nanoparticle diameter, concentration of nanoparticles in the pure fluid, nano thermal layer formed around the nanoparticle and Brownian motion of nano particles etc., appropriate models are used for the effective thermal and physical properties of nano fluids. To model the rotation of nano particles inside the base fluid, microfluidics theory is used. In this investigation ethylene glycol (EG) based nanofluids, are taken into account. The non-linear equations governing the flow and heat transfer are solved by using a very effective particle swarm optimization technique along with Runge-Kutta method. The values of heat transfer coefficient are found for different parameters involved in the formulation viz. nanoparticle concentration, nanoparticle size, magnetic field and wedge angle etc. It is found that the wedge angle, presence of magnetic field, nanoparticle size and nanoparticle concentration etc. have prominent effects on fluid flow and heat transfer characteristics for the considered configuration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanofluids" title="nanofluids">nanofluids</a>, <a href="https://publications.waset.org/abstracts/search?q=wedge%20shaped%20wick" title=" wedge shaped wick"> wedge shaped wick</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20pipe" title=" heat pipe"> heat pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20modeling" title=" numerical modeling"> numerical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20swarm%20optimization" title=" particle swarm optimization"> particle swarm optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofluid%20applications" title=" nanofluid applications"> nanofluid applications</a>, <a href="https://publications.waset.org/abstracts/search?q=Heat%20transfer" title=" Heat transfer"> Heat transfer</a> </p> <a href="https://publications.waset.org/abstracts/28316/mhd-boundary-layer-flow-of-a-nanofluid-past-a-wedge-shaped-wick-in-heat-pipe" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28316.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">390</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">2607</span> Preparation and Characterization of Water-in-Oil Nanoemulsion of 5-Fluorouracil to Enhance Skin Permeation for Treatment of Skin Diseases.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20S.%20Rajinikanth">P. S. Rajinikanth</a>, <a href="https://publications.waset.org/abstracts/search?q=Shobana%20Mariappan"> Shobana Mariappan</a>, <a href="https://publications.waset.org/abstracts/search?q=Jestin%20Chellian"> Jestin Chellian </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of the study was to prepare and characterize a water-in-oil nano emulsion of 5-Fluorouracil (5FU) to enhance the skin penetration. The present study describes a nano emulsion of 5FU using Capyrol PGMC, Transcutol HP and PEG 400 as oil, surfactant and co-surfactant, respectively. The optimized formulations were further evaluated for heating cooling cycle, centrifugation studies, freeze thaw cycling, particle size distribution and zeta potential in order to confirm the stability of the optimized nano emulsions. The in-vitro characterization results showed that the droplets of prepared formulation were ~100 nm with ± 15 zeta potential. In vitro skin permeation studies was conducted in albino mice skin. Significant increase in permeability parameters was also observed in nano emulsion formulations (P<0.05). The steady-state flux (Jss), enhancement ration and permeability coefficient (Kp) for optimized nano emulsion formulation (FU2, FU1, 1:1 S mix were found to be 24.21 ±2.45 μg/cm2/h, 3.28±0.87 & 19.52±1.87 cm/h, respectively), which were significant compared with conventional gel. The in vitro and in vivo skin deposition studies in rat indicated that the amount of drug deposited from the nano emulsion (292.45 µg/cm2) in skin was significant (P<0.05) an increased as compared to a conventional 5FU gel (121.42 µg/cm2). The skin irritation study using rat skin showed that the mean irritation index of the nano emulsion reduced significantly (P<0.05) as compared with conventional gel contain 1% 5FU. The results from this study suggest that a water-in-oil nano emulsion could be safely used to promote skin penetration of 5FU following topical application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano%20emulsion" title="nano emulsion">nano emulsion</a>, <a href="https://publications.waset.org/abstracts/search?q=controlled%20release" title=" controlled release"> controlled release</a>, <a href="https://publications.waset.org/abstracts/search?q=5%20fluorouracil" title=" 5 fluorouracil"> 5 fluorouracil</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20penetration" title=" skin penetration"> skin penetration</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20irritation" title=" skin irritation "> skin irritation </a> </p> <a href="https://publications.waset.org/abstracts/11646/preparation-and-characterization-of-water-in-oil-nanoemulsion-of-5-fluorouracil-to-enhance-skin-permeation-for-treatment-of-skin-diseases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11646.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">500</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">2606</span> Generation Mechanism of Opto-Acoustic Wave from in vivo Imaging Agent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hiroyuki%20Aoki">Hiroyuki Aoki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The optoacoustic effect is the energy conversion phenomenon from light to sound. In recent years, this optoacoustic effect has been utilized for an imaging agent to visualize a tumor site in a living body. The optoacoustic imaging agent absorbs the light and emits the sound signal. The sound wave can propagate in a living organism with a small energy loss; therefore, the optoacoustic imaging method enables the molecular imaging of the deep inside of the body. In order to improve the imaging quality of the optoacoustic method, the more signal intensity is desired; however, it has been difficult to enhance the signal intensity of the optoacoustic imaging agent because the fundamental mechanism of the signal generation is unclear. This study deals with the mechanism to generate the sound wave signal from the optoacoustic imaging agent following the light absorption by experimental and theoretical approaches. The optoacoustic signal efficiency for the nano-particles consisting of metal and polymer were compared, and it was found that the polymer particle was better. The heat generation and transfer process for optoacoustic agents of metal and polymer were theoretically examined. It was found that heat generated in the metal particle rapidly transferred to the water medium, whereas the heat in the polymer particle was confined in itself. The confined heat in the small particle induces the massive volume expansion, resulting in the large optoacoustic signal for the polymeric particle agent. Thus, we showed that heat confinement is a crucial factor in designing the highly efficient optoacoustic imaging agent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano-particle" title="nano-particle">nano-particle</a>, <a href="https://publications.waset.org/abstracts/search?q=opto-acoustic%20effect" title=" opto-acoustic effect"> opto-acoustic effect</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vivo%20imaging" title=" in vivo imaging"> in vivo imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20imaging" title=" molecular imaging"> molecular imaging</a> </p> <a href="https://publications.waset.org/abstracts/114196/generation-mechanism-of-opto-acoustic-wave-from-in-vivo-imaging-agent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114196.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">131</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">2605</span> Studies on Organic and Inorganic Micro/Nano Particle Reinforced Epoxy Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Karthik">Daniel Karthik</a>, <a href="https://publications.waset.org/abstracts/search?q=Vijay%20Baheti"> Vijay Baheti</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiri%20Militky"> Jiri Militky</a>, <a href="https://publications.waset.org/abstracts/search?q=Sundaramurthy%20Palanisamy"> Sundaramurthy Palanisamy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fibre based nano particles are presently considered as one of the potential filler materials for the improvement of mechanical and physical properties of polymer composites. Due to high matrix-filler interfacial area there will be uniform and homogeneous dispersion of nanoparticles. In micro/nano filler reinforced composites, resin material is usually tailored by organic or inorganic nanoparticles to have improved matrix properties. The objective of this study was to compare the potential of reinforcement of different organic and inorganic micro/nano fillers in epoxy composites. Industrial and agricultural waste of fibres like Agave Americana, cornhusk, jute, basalt, carbon, glass and fly ash was utilized to prepare micro/nano particles. Micro/nano particles were obtained using high energy planetary ball milling process in dry condition. Milling time and ball size were kept constant throughout the ball milling process. Composites were fabricated by hand lay method. Particle loading was kept constant to 3% wt. for all composites. In present study, loading of fillers was selected as 3 wt. % for all composites. Dynamic mechanical properties of the nanocomposite films were performed in three-point bending mode with gauge length and sample width of 50 mm and 10 mm respectively. The samples were subjected to an oscillating frequency of 1 Hz, 5 Hz and 10 Hz and 100 % oscillating amplitude in the temperature ranges of 30°C to 150°C at the heating rate of 3°C/min. Damping was found to be higher with the jute composites. Amongst organic fillers lowest damping factor was observed with Agave Americana particles, this means that Agave americana fibre particles have betters interface adhesion with epoxy resin. Basalt, fly ash and glass particles have almost similar damping factors confirming better interface adhesion with epoxy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ball%20milling" title="ball milling">ball milling</a>, <a href="https://publications.waset.org/abstracts/search?q=damping%20factor" title=" damping factor"> damping factor</a>, <a href="https://publications.waset.org/abstracts/search?q=matrix-filler%20interface" title=" matrix-filler interface"> matrix-filler interface</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20reinforcements" title=" particle reinforcements"> particle reinforcements</a> </p> <a href="https://publications.waset.org/abstracts/91243/studies-on-organic-and-inorganic-micronano-particle-reinforced-epoxy-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91243.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">264</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">2604</span> Cleaning Performance of High-Frequency, High-Intensity 360 kHz Frequency Operating in Thickness Mode Transducers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Vetrimurugan">R. Vetrimurugan</a>, <a href="https://publications.waset.org/abstracts/search?q=Terry%20Lim"> Terry Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20J.%20Goodson"> M. J. Goodson</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Nagarajan"> R. Nagarajan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigates the cleaning performance of high intensity 360 kHz frequency on the removal of nano-dimensional and sub-micron particles from various surfaces, uniformity of the cleaning tank and run to run variation of cleaning process. The uniformity of the cleaning tank was measured by two different methods i.e 1. ppbTM meter and 2. Liquid Particle Counting (LPC) technique. In the second method, aluminium metal spacer components was placed at various locations of the cleaning tank (such as centre, top left corner, bottom left corner, top right corner, bottom right corner) and the resultant particles removed by 360 kHz frequency was measured. The result indicates that the energy was distributed more uniformly throughout the entire cleaning vessel even at the corners and edges of the tank when megasonic sweeping technology is applied. The result also shows that rinsing the parts with 360 kHz frequency at final rinse gives lower particle counts, hence higher cleaning efficiency as compared to other frequencies. When megasonic sweeping technology is applied each piezoelectric transducers will operate at their optimum resonant frequency and generates stronger acoustic cavitational force and higher acoustic streaming velocity. These combined forces are helping to enhance the particle removal and at the same time improve the overall cleaning performance. The multiple extractions study was also carried out for various frequencies to measure the cleaning potential and asymptote value. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20distribution" title="power distribution">power distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=megasonic%20sweeping" title=" megasonic sweeping"> megasonic sweeping</a>, <a href="https://publications.waset.org/abstracts/search?q=cavitation%20intensity" title=" cavitation intensity"> cavitation intensity</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20removal" title=" particle removal"> particle removal</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20particle%20counting" title=" laser particle counting"> laser particle counting</a>, <a href="https://publications.waset.org/abstracts/search?q=nano" title=" nano"> nano</a>, <a href="https://publications.waset.org/abstracts/search?q=submicron" title=" submicron"> submicron</a> </p> <a href="https://publications.waset.org/abstracts/23901/cleaning-performance-of-high-frequency-high-intensity-360-khz-frequency-operating-in-thickness-mode-transducers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23901.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">418</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">2603</span> Phasor Measurement Unit Based on Particle Filtering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rithvik%20Reddy%20Adapa">Rithvik Reddy Adapa</a>, <a href="https://publications.waset.org/abstracts/search?q=Xin%20Wang"> Xin Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phasor Measurement Units (PMUs) are very sophisticated measuring devices that find amplitude, phase and frequency of various voltages and currents in a power system. Particle filter is a state estimation technique that uses Bayesian inference. Particle filters are widely used in pose estimation and indoor navigation and are very reliable. This paper studies and compares four different particle filters as PMUs namely, generic particle filter (GPF), genetic algorithm particle filter (GAPF), particle swarm optimization particle filter (PSOPF) and adaptive particle filter (APF). Two different test signals are used to test the performance of the filters in terms of responsiveness and correctness of the estimates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phasor%20measurement%20unit" title="phasor measurement unit">phasor measurement unit</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20filter" title=" particle filter"> particle filter</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20swarm%20optimisation" title=" particle swarm optimisation"> particle swarm optimisation</a>, <a href="https://publications.waset.org/abstracts/search?q=state%20estimation" title=" state estimation"> state estimation</a> </p> <a href="https://publications.waset.org/abstracts/194127/phasor-measurement-unit-based-on-particle-filtering" 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