2011: Recent submissions

Now showing items 81-100 of 186

RP-HPLC-DAD method for the estimation of embelin as marker in Embelia ribes and its polyherbal formulations

Soumya, M N; Ranjith, A; Arumughan, C (Wiley, 2011)

Evidence-based herbal products with assured quality are assuming importance for complementary and alternative medicine. Traditional medicines by and large are not standardized and validated to meet the new requirements. ...
Employing homoenolates generated by NHC catalysis in carbon-carbon bond-forming reactions: state of the art

Vijay Nair, G; Rajeev S Menon; Biju, A T; Sinu, C R; Paul, R R; Anu, J; Sreekumar, V (Royal Society of Chemistry, 2011)

Homoenolate is a reactive intermediate that possesses an anionic or nucleophilic carbon beta to a carbonyl group or its synthetic equivalent. The recent discovery that homoenolates can be generated from alpha,beta-unsaturated ...
Excitation energy migration in oligo(p-phenylenevinylene) based organogels: structure-property relationship and FRET efficiency

Vijayakumar, C; Praveen, V K; Kartha, K K; Ajayaghosh, A (Royal Society of Chemistry, 2011)

Excitation energy migration (EM) and assisted energy transfer (ET) properties of a few oligo(p-phenylenevinylene) (OPV) based organogelators with different end functional groups have been studied using picosecond time-resolved ...
Influence of Calix[2]-p-benzo[4]pyrrole on the electrochemical properties of poly(ethylene oxide)-based electrolytes for lithium batteries

Stephan, A M; Prem Kumar, T; Angulakshmi, N; Salini, P S; Sabarinathan, R; Srinivasan, A; Sabu Thomas (Wiley, 2011)

Poly(ethylene oxide) based electrolytes comprising LiCF(3)SO(3) and calix[2]-p-benzo[4] pyrrole (CBP) as anion binder were prepared and subjected to DSC, ionic conductivity, cationic transport number and FTIR analyses. ...
Water-dispersible multifunctional polyaniline-laponite-keggin iron nanocomposites through a template approach

Sudha, J D; Pich, A; Reena, V L; Sivakala, S; Adler, Hans-Juergen P (Royal Society of Chemistry, 2011)

Water dispersible nanostructured multifunctional polyaniline-laponite-keggin iron cation composites (PPIL) were prepared by the oxidative polymerization of aniline in the presence of an aqueous dispersion of keggin ...
Mechanism of epoxide hydrolysis in microsolvated nucleotide bases adenine, guanine and cytosine: A DFT study

Vijayalakshmi, K P; Neetha, M; Ajitha, M J; Suresh, C H (Royal Society of Chemistry, 2011)

Six water molecules have been used for microsolvation to outline a hydrogen bonded network around complexes of ethylene epoxide with nucleotide bases adenine (EAw), guanine (EGw) and cytosine (ECw). These models have ...
A novel approach for the synthesis of nanocrystalline zinc oxide powders by room temperature co-precipitation method

Kumar, V R; Wariar, P R S; Prasad, V S; Jacob Koshy (Elsevier, 2011)

A single step co-precipitation route has been employed for the first time in the preparation of ZnO nanoparticles using ammonium hydroxide and zinc nitrate tetrahydrate. The X-ray diffraction analysis revealed that the ...
Novel low loss, low permittivity glass-ceramic composites for LTCC applications

Sumesh George; Sebastian, M T; Sujith, R; Mohanan, P (Wiley, 2011)

New low-temperature sinterable dielectric materials based on Li2CaSiO4 (LCS) ceramic has been developed. The LCS ceramics were prepared by solid-state ceramic route. The calcination and sintering temperatures of LCS were ...
Betulinic acid inhibits endotoxin-stimulated phosphorylation cascade and pro-inflammatory prostaglandin E-2 production in human peripheral blood mononuclear cells

Viji, V; Helen, A; Luxmi Varma, R (Wiley, 2011)

BACKGROUND AND PURPOSE Betulinic acid (BA) is a naturally occurring triterpenoid widely distributed throughout the plant kingdom. We previously reported that BA inhibits lipopolysaccharide (LPS)-induced interleukin-6 ...
Dissipative flux motion and flux flow resistivity analysis in La-Doped (Bi, Pb)-2212 superconducting ceramics

Vinu, S; Sarun, P M; Shabna, R; Syamaprasad, U (Wiley, 2011)

The dissipation below Tc and the thermally activated energy are analyzed in detail for La-doped (Bi, Pb)-2212 superconductor as a typical case with two analytical methods. The first one is a conventional and generally used ...
Amino acid production from rice straw and wheat bran hydrolysates by recombinant pentose-utilizing Corynebacterium glutamicum

Vipin Gopinath; Meiswinkel, T M; Wendisch, V F; Nampoothiri, K M (Springer, 2011)

Corynebacterium glutamicum wild type lacks the ability to utilize the pentose fractions of lignocellulosic hydrolysates, but it is known that recombinants expressing the araBAD operon and/or the xylA gene from Escherichia ...
Novel environmentally benign yellow inorganic pigments based on solid solutions of samarium-transition metal mixed oxides

Vishnu, V S; Jose, S; Reddy, M L P (Wiley, 2011)

A new class of environmentally benign yellow inorganic pigments having the general formula Sm6-xW1-yZrxMoyO12+delta (x ranges from 0 to 0.6 and y ranges from 0 to 1) have been synthesized by a simple solid-state route and ...
Compositional analysis of tea (Camellia sinensis) seed oil and its application

Yahaya, L E; Adebowale, K O; Olu-Owolabi, B I; Menon, A R R (IJRCE, 2011)

Tea (camellia sinensis) seed oil, TSO was subjected to physical, chemical and instrumental analyses with a view for assessing its composition and technical applications. Physical and chemical properties such as color ...
Near-infrared reflecting inorganic pigments based on molybdenum and praseodymium doped yttrium cerate: Synthesis, characterization and optical properties

Vishnu, V S; Reddy, M L P (Elsevier, 2011)

A series of novel environmentally benign near-infrared (NIR) reflecting inorganic pigments based on yttrium cerate doped with metal ions such as Mo(6+) or Pr(4+) have been developed and characterized using XRD. UV-vis-NIR ...
Mechanically flexible butyl rubber-SrTiO3 composite dielectrics for microwave applications

Dhanesh, T; Chameswary, J; Sebastian, M T (Wiley, 2011)

Mechanically flexible butyl rubber-SrTiO3 composites were prepared through sigma mixing followed by hot pressing. Tensile tests established the mechanical flexibility of the composites. Swelling tests revealed the degree ...
A comparative analysis of recombinant expression and solubility screening of two phytases in E. coli

Ushasree, M V; Salim, S H B; Pandey, A (Faculty Food Technology Biotechnology, 2011)

Microbial phytases, especially from fungal and bacterial sources, have received much attention as food additives in human nutrition and as feed supplements for monogastric animals. An effective expression screening method ...
Adopting structural elements from intrinsically stable phytase - A promising strategy towards thermostable phytases

Ushasree, M V; Sumayya, H B S; Pandey, A (NISCAIR, 2011)

Development of thermostable phytases through biotechnology is a key issue in food and feed industry. Phytases ought to be stable at elevated temperatures since it has to withstand feed and food processing steps. Thermostable ...
N-Heterocyclic carbene (NHC) catalyzed annulation of enals and vinyl ketones: A novel synthesis of [2H]-pyranones

Vijay Nair, G; Paul, R R; Seetha Lakshmi, K C; Rajeev S Menon; Anu Jose; Sinu, C R (Elsevier, 2011)

Homoenolate annulation of vinyl ketones led to the synthesis of dihydropyranones in contrast to cyclopentenes obtained by the homoenolate annulation of chalcones, another class of alpha,beta-unsaturated ketones.
Solvent-Mediated fiber growth in organogels

Dasgupta, D; Srinivasan, S; Rochas, C; Ajayaghosh, A; Guenet, J-M (Royal Society of Chemistry, 2011)

We have investigated the decisive role of the solvent type in the gelation of an oligo(p-phenylene vinylene) molecule with OH functions on the terminal groups (OPVOH). We show that gels of "hublike" morphology are obtained ...
Effect of carbon substitution on the superconducting properties of nanocarbon-, nanodiamond- and nano-SiC-doped MgB2

Neson Varghese; Vinod, K; Rahul, S; Anees, P; Devadas, K M; Syju Thomas; Shipra; Sundaresan, A; Roy, S B; Syamaprasad, U (Wiley, 2011)

A comparative study on the effect of doping of nanocarbon (C), nanodiamond, and the well-established nano-SiC in MgB2 is carried out under identical doping levels (C: 2.6 and 5.2 wt%) and processing conditions (800 degrees ...

Now showing items 81-100 of 186

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