2010: Recent submissions

Now showing items 41-60 of 165

High-surface-area alumina-silica nanocatalysts prepared by a hybrid sol-gel route using a boehmite precursor

Padmaja, P N; Moothetty, P; Wunderlich, W; Berry, F J; Mortimer, M; Creamer, N J; Warrier, K G K (Wiley -Blackwell, 2010)

High-surface-area alumina-silica mixed oxide (Al(2)O(3):SiO(2)) nanocatalysts have been prepared by a hybrid sol-gel method using boehmite (synthesized from aluminum nitrate) as the source of alumina and tetraethyl ...
Geochemistry of core sediments from Gulf of Mannar, India

Sundararajan, M; Srinivasalu, S (Univ Tehran, 2010)

The Gulf of Mannar, located between India and Sri Lanka, is a shallow embayment of the Bay of Bengal. The gulf, which has been declared a bio-reserve is a highly productive area endowed with rich marine fauna including ...
Tuning photosensitized singlet oxygen generation efficiency of novel aza-BODIPY dyes

Adarsh, N; Rekha, R A; Ramaiah, D (American Chemical Society, 2010)

Novel aza-BODIPY derivatives substituted with heavy atoms such as bromine and iodine were synthesized, and their triplet and singlet oxygen generation efficiencies have been investigated. These derivatives showed absorption ...
Characterization of surface-treated coir fiber obtained from environmental friendly bioextraction

Manilal, V B; Ajayan, M S; Sreelekshmi, S V (Taylor & Francis, 2010)

This study presents an ecofriendly color improvement method for clean bioextracted coir fiber with biogas recovery. The fiber samples were subjected to treatment with hydrogen peroxide (H2O2)and were optimized at 0.08% ...
The potential of probiotics: A review

Soccol, C R; de Souza Vandenberghe, L P; Spier, M R; Medeiros, A B P; Yamaguishi, C T; De Dea Lindner, J; Pandey, A; Thomaz-Soccol, V (Faculty Food Technology Biotechnology, 2010)

Probiotics, live cells with different beneficiary characteristics, have been extensivelly studied and explored commercially in many different products in the world. Their benefits to human and animal health have been proven ...
Effect of annealing temperature on the structural and optical properties of ZnO thin films prepared by RF magnetron sputtering

Daniel, G P; Justinvictor, V B; Prabitha, B N; Joy, K; Peter Koshy; Thomas, P V (Elsevier, 2010)

ZnO thin films were deposited on coming glass substrates by RF magnetron sputtering at room temperature. The dependence of crystal structure, morphology and optical properties on post-deposition annealing was investigated ...
A simple aqueous solution based chemical methodology for synthesis of Ag nanoparticles dispersed on mesoporous silicate matrix

Naik, B; Prasad, V S; Ghosh, N N (Elsevier, 2010)

A simple chemical method has been developed for preparation of Ag nanoparticles dispersed on mesoporous silicate matrix, SBA-15. Ag nanoparticles were uniformly dispersed on SBA-15 matrix by using the reduction reaction ...
Lignocellulosic ethanol in India: Prospects, challenges and feedstock availability

Rajeev K Sukumaran; Surender, V J; Sindhu, R; Binod, P; Janu, K U; Sajna, K V; Rajasree, K P; Pandey, A (Elsevier, 2010)

India has a pressing need for renewable transportation fuels and bio-ethanol is considered as one of the most important options. Currently the country mandates use of 5% ethanol blending in motor gasoline in several states. ...
Bioethanol production from rice straw: An overview

Binod, P; Sindhu, R; Singhania, R R; Vikram, S; Devi, L; Nagalakshmi, S; Kurien, N; Rajeev K Sukumaran; Pandey, A (Elsevier, 2010)

Rice straw is an attractive lignocellulosic material for bioethanol production since it is one of the most abundant renewable resources. It has several characteristics, such as high cellulose and hemicelluloses content ...
Chemical constituents of Curcuma malabarica

Alan Sheeja, D B; Mangalam S Nair (Elsevier, 2010)
Antimicrobial activity of silver nanoparticles synthesized from novel streptomyces species

Shirley; Dayanand, A; Sreedhar, B; Dastager, S G (InstItute of Materials Physics, 2010)

In this paper we report the antibacterial activity of silver nanoparticles synthesized from novel strain of Streptomyces sp. The novel silver nanoparticles exhibited a tremendous potential antibacterial activity against ...
Frequency and temperature dependent dielectric properties of greentapes

Jacob, M V; Thomas, S; Sebastian, M T; Honkama, J; Jantunen, H (Australian Ceramic Society, 2010)

Investigation into the fabrication of dielectric materials suitable for low temperature co-fired ceramic (LTCC) applications and their characterisation at high frequencies is a prominent research area. There are only limited ...
Dielectric, mechanical, and thermal properties of low-permittivity polymer-ceramic composites for microelectronic applications

Sumesh George; Anjana, P S; Sebastian, M T; Krupka, J; Uma, S; Philip, J (Wiley, 2010)

A new low-permittivity polymer-ceramic composite for packaging applications has been developed. The ceramic-reinforced polyethylene and polystyrene composites were prepared by melt mixing and hot molding techniques. Low-loss, ...
Geochemistry of elements in core sediments near point claimere, the Southeast Coast of India

Sundararajan, M; Usha, N (University of Tehran, 2010)

The core sediment samples were analysed for grain size, carbonates (CaCO(3)), organic carbon (OC) to obtain a preliminary view of its environmental conditions near Point Calimere along the southeast coast of Vedaranyam, ...
Synthesis of ZnO based nanopowders via a non-hydrolytic sol gel technique and their densification behaviour and varistor properties

Anas, S; Mukundan, P; Sanoj, A M; Mangalaraja, R V; Ananthakumar, S (PAC International Journal, 2010)

Hexagonal nanocrystalline varistor grade ZnO particles with size 50 nm and the specific surface area of 8 m2/g have been prepared by non-aqueous gelation technique involving diethylene glycol and triethanolamine. The ...
Microwave assisted citrate gel combustion synthesis of ZnO Part-II: assessment of functional properties

Ananthakumar, S; Anas, S; Ambily, J; Mangalaraja, R V (Korean Assoc Crystal Growth, 2010)

In this study, the functional properties of nanocrystalline ZnO derived through a microwave assisted citrate gel decomposition technique were examined by UV-Vis and PL spectroscopy. The prepared ZnO and ZnO containing ...
Low temperature sintering and microwave dielectric properties of Ce-2(WO4)(3) ceramics

Anjana, P S; Joseph, T; Sebastian, M T (Elsevier, 2010)

Ce-2(WO4)(3) ceramics have been synthesized by the conventional solid-state ceramic route. Ce-2(WO4)(3) ceramics sintered at 1000 degrees C exhibited epsilon(r) = 12.4, Qxf = 10,500 GHz (at 4.8 GHz) and tau(f) = -39 ...
Effect of Yb, Gd, and Nd substitution at the Sr site on the metal-insulator transition of the (Bi,Pb)-2212 system

Biju, A; Shabna, R; Sarun, P M; Vinu, S; Syamaprasad, U (Wiley, 2010)

Resistivity measurements in the temperature range (64-300 K) were used to study the metal-insulator transition (MIT) driven by a change in the carrier concentration of the Bi(1.7)Pb(0.4)Sr(2)Ca(1.1)Cu(2.1)O(y) [(Bi,Pb)-2212] ...
Microvesides through Self-Assembly of Polystyrene-Clay Nanocomposite

Bindu, P N; Pavithran, C; Sudha, J D; Prasad, V S (American Chemical Society, 2010)

Polystyrene-clay nanocomposite (PCN) particles, which exhibited concentration dependent self-assembling property in THF were synthesized by in situ intercalative polymerization of styrene with vinyl POSS amine-modified ...
PDMS-based porous particles as support beds for cell immobilization: Bacterial biofilm formation as a function of porosity and polymer composition

Fernandez, M R; Casabona, M G; Anupama, V N; Krishnakumar, B; Curutchet, G A; Bernik, D L (Elsevier, 2010)

The objective of this work is to test the performance of new synthetic polydimethylsiloxane (PDMS)-based bed particles acting as carriers for bacteria biofilms. The particles obtained have a highly interconnected porous ...

Now showing items 41-60 of 165

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