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# 2011 International Conference on Nanoscience, Technology and Societal Implications

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Displaying Results 1 - 25 of 63
• ### [Title page]

Publication Year: 2011, Page(s): 1
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Publication Year: 2011, Page(s): 2
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• ### Welcome

Publication Year: 2011, Page(s): 3
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Publication Year: 2011, Page(s): 4
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• ### Committees

Publication Year: 2011, Page(s):5 - 7
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• ### A Framework for Knowledge Management of Nanoscience & Technology in India

Publication Year: 2011, Page(s):1 - 5
Cited by:  Papers (1)
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Global spending by various governments and the private sector in nanoscience & technology R&D is increasing over the years and reached about US$18 billion in 2009 ,and the estimated market opportunity for nanotechnology based products by 2015 is about US$1.0 trillion [1].To catch up with the rest of the world in nanotechnology R&D, the Indian government has also committed to spend abo... View full abstract»

• ### A Novel Modular Decoder Implementation in Quantum-Dot Cellular Automata (QCA)

Publication Year: 2011, Page(s):1 - 5
Cited by:  Papers (4)
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This paper presents the design, layout, and successful simulation of a 2 to 4 decoder, by the five-inputs majority gate. This decoder can be considered as a module, which has a fixed structure and the correct clocking. Therefore, Generalizing this 2 to 4 decoder provided only requires a driver circuit, which anyway a 2 to 4 decoder to select and activate it. Decoder presented in this paper, that i... View full abstract»

• ### Ambipolar CNTFET: Basic Characterization and Effect of High Dielectric Material

Publication Year: 2011, Page(s):1 - 4
Cited by:  Papers (1)
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Recently, several emerging technologies have been reported for ambipolar devices. Ambipolar conduction is characterized by a superposition of electron and hole current. It has been experimentally reported in many technologies, including Carbon Nanotube Field Effect transistor (CNTFETs). In unipolar silicon CMOS devices p-type or n-type behavior is determined during fabrication. Whereas ambipolar d... View full abstract»

• ### An Analytic Solution of Channel Potential and Drain Current for an Undoped Symmetric DG MOSFET Using SiO2 and High K Gate Dielectrics

Publication Year: 2011, Page(s):1 - 5
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In this work, we have presented a new analytical potential and current model for an undoped symmetric double- gate (DG) MOSFET which is valid from low to high drain-source voltages. The models are derived from an analytical solution of 2-D Poisson's equation. From the analytic solutions, explicit expressions for potential, electric field, mobile charge density and current have been derived. Simula... View full abstract»

• ### Auto-Combustion Synthesis of Nanocrystalline FeCrO3

Publication Year: 2011, Page(s):1 - 6
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Nanocrystalline FeCrO3 with particle size of about 83-123 nm was directly synthesized by sol-gel auto- combustion method at room temperature. The overall process involves three steps: formation of homogeneous sol; formation of dried gel; and combustion of the dried gel. Experiments revealed that FeCrO3 dried gel derived from glycine and nitrate sol exhibits self-propagating c... View full abstract»

• ### Bacterial Growth Response on Interaction with Iron Oxide and Gold Nanoparticles: Measuring Risk to the Environment

Publication Year: 2011, Page(s):1 - 6
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Nanoparticlemetal oxide and gold represents a new class of important materials that are increasingly being developed for use in research and health related activities. The biological system being extremely critical requires the fundamental understanding on the influence of inorganic nanoparticles on cellular growth and functions. Our study was aimed to find out the effect of Iron oxide (Fe... View full abstract»

• ### Biopolymeric Vectors for Enhancing Gene Delivery - A Comparative Evaluation

Publication Year: 2011, Page(s):1 - 7
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Gene delivery using nonviral approaches has been extensively studied as a basic tool for intracellular gene transfer and gene therapy. The objective of this work is to comparatively evaluate the expression of reporter transgene using plasmid DNA encoding the green fluorescent protein gene (EGFP-N1) and a standard cationic lipid based transfection reagent Lipofectamine. Gelatin, a biocompatible and... View full abstract»

• ### Characterization and Antimicrobial Activity of Nanocurcumin and Curcumin

Publication Year: 2011, Page(s):1 - 7
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Curcumin is the principal curcuminoid of the popular Indian spice Curcuma longa (Turmeric), which is a member of ginger family (Zingiberaceae). Inspite of showing extraordinary medicinal properties its commercialized formulation is still a challenge because of its poor solubility, bioavailability and rapid plasma clearance. In our work, different shapes of nanocurcumin are prepared in alcohol-wate... View full abstract»

• ### Characterization of Nano-Crystalline Nickel Supported Zirconia and its Catalytic Activity of Hydrogenation of Nitrophenol

Publication Year: 2011, Page(s):1 - 8
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Mesoporous zirconia was prepared by the surfactant assisted route, using cetyltrimethylammonium bromide as cationic surfactant. The synthesized zirconia was employed as support for nickel catalysts in reduction reaction of nitrophenol at room temperature. The catalysts were characterized by nitrogen adsorption-desorption, X-ray powder diffraction, Fourier-transfer infrared spectroscopy (FTIR), Tra... View full abstract»

• ### Control of the Crystalline Polymorph, Molecular Dipole and Chain Orientations in P(VDF-HFP) for High Electrical Energy Storage Application

Publication Year: 2011, Page(s):1 - 5
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The electroactive β-phase is induced in poly(vinylidene fluoride-hexafluoropropylene) [P(VDF HFP)] copolymer films without the assistance of traditional stretching techniques. We doped silver nano particle in P(VDF-HFP) to induce the β-phase as well as to control the chain and dipole orientations. Grazing incidence reflection infrared spectroscopy results confirm the molecular dipole... View full abstract»

• ### Deformation Behavior of Material

Publication Year: 2011, Page(s):1 - 6
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The microstructure evolution of Aluminum was investigated in different temperature range. Then the effect of different microstructure on high temperature deformation behavior was further studied. With the aid of scanning electronic microscopy (SEM) the fractography of Aluminum after super plastic deformation was analyzed. The results reveal that intergranular cavities with fine size & homogene... View full abstract»

• ### Dielectric Behavior and AC Conductivity Studies on Cobalt Nanoferrites Synthesized Using Combustion Method

Publication Year: 2011, Page(s):1 - 4
Cited by:  Papers (1)
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Cobalt nanoferrite particles were prepared by combustion method. The structures of the samples were studied with X-ray diffraction (XRD) using Cu-Kα radiation. The X-ray diffraction analysis revealed the nanocrystalline nature in the prepared ferrite samples. Dielectric and a. c. conductivity studies have been undertaken over a wide range of frequencies (100Hz-5MHz) at room temperature. The... View full abstract»

• ### Effect of Influencing Factors in the Sonochemical Synthesis of Gamma Iron Oxide and its Gas Sensing Property

Publication Year: 2011, Page(s):1 - 5
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Nano γ-Fe2O3 was easily synthesized by sonochemical route with the variation of the influencing factors like sonication time and purging of N2 gas. The synthesized powders were characterized by X-ray diffraction (XRD), transmission electron micrograph (TEM), selected area electron diffraction (SAED) and scanning electron microscope (SEM). The synthesized pow... View full abstract»

• ### Effect of Realistic Inter-CNT Coupling Capacitance in Mixed CNT Bundle

Publication Year: 2011, Page(s):1 - 4
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The change of potential across a CNT in a bundle necessitates the need to consider the inter-CNT coupling capacitance in the equivalent circuit of CNT interconnects for VLSI circuits. This paper presents a realistic inter-CNT electrostatic coupling capacitance and tunneling conductance model for this bundle and studied its effects in detail. The equivalent transmission line circuit model of a unit... View full abstract»

• ### Effects of Charging on the Structural and Electronic Properties of Aun Nanoclusters (n = 2-20)

Publication Year: 2011, Page(s):1 - 5
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We report the consequences of charging on the structural and electronic properties of Aun (n = 2-20) nanoclusters. The calculations were performed using the Density Functional Theory (DFT). The structural evolution of neutral and charged clusters have been studied as a function of size and the changes in their electronic properties are discussed. Our calculations show that the structura... View full abstract»

• ### Electrical Conductivity and Ammonia Sensing Characteristics of Nanocrystalline Silver Molybdates Synthesized by Solution Chemistry Route

Publication Year: 2011, Page(s):1 - 6
Cited by:  Papers (1)
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A soft chemical method has been developed for the synthesis of nano-crystalline powders of silver molybdates including Ag6Mo10O33 and Ag2Mo2O7. Electrical conductivity, silver ion transport number and gas sensing characteristics of Ag6Mo10O33 were measured. This compound was found to sense selectivel... View full abstract»

• ### Electrospinning as a simple enzyme immobilization technique for application in enzyme based biofuel cells

Publication Year: 2011, Page(s):1 - 4
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Electrospinning can be employed as a simple solution for enzyme immobilization for biofuel cell systems. Electrospinning of nanofibers provides a huge advantage of high surface area to volume ratio, thus minimizing the size and the cost of the substrate utilized without compromising the output. A glucose oxidase and peroxidase enzyme based fuel cell system was fabricated wherein the enzyme was imm... View full abstract»

• ### Enhanced Magnetic Anisotropy Energy of Fe/Pt Nanowires in Presence of Finite Electric Field

Publication Year: 2011, Page(s):1 - 4
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Density functional theory based calculations are performed to explore the role of non-magnetic Platinum spacer in modulating the magnetic anisotropy energy (MAE) of Fe/Pt multilayered nanowire system. It is found that both the magnetic moment and anisotropy energy of Fe nanowire can be modulated by introducing Pt spacer in between Fe layers. The MAE can further be tuned with wire diameter, spacer ... View full abstract»

• ### Fabrication of Highly Ordered Cylindrical Nanopores with Modulated Diameter Using Anodic Alumina

Publication Year: 2011, Page(s):1 - 4
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We propose two novel methods for fabrication of highly ordered cylindrical nanopores with modulated diameter using anodic aluminum oxide (AAO) template. These are (a) multistep anodization in which each step is separated from the next by a controlled wet etching process, and (b) lateral hard anodization of aluminum in malonic acid. This latter method also circumvents the typical sample burning pro... View full abstract»

• ### Finite Element Modeling of Bone by Using Hydroxyapatite As Bioactive Nanomaterial in Bone Grafting, Bone Healing and the Reduction of Mechanical Failure in the Bone Surgery

Publication Year: 2011, Page(s):1 - 5
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Biomaterials engineered at the nano level play a significant role in human health care, in particular bone - related therapy, because of their unique functional properties. In this work we explained bone grafting, bone healing, Preparation of hydoxy apatite (HA) and finite element model for bone grafting and simulation. Finite Element Model (FEM) is useful for surgery and reduces failures. The mai... View full abstract»