2011: Recent submissions

Now showing items 121-140 of 186

An improved bioprocess for extracellular l-Leucine amino peptidase production using Streptomyces gedanensis

Raji, R; Pandey, A; Nampoothiri, K M (Springer, 2011)

A bioprocess was developed for the production of l-leucine aminopeptidase under solid-state fermentation (SSF) by cultivating Streptomyces gedanensis in an inert support impregnated with a minimal medium. Response surface ...
Photoresponsive self-assembling structures from a pyrene-based triblock copolymer

Sajith Menon; Suresh Das (Wiley, 2011)

A new photoresponsive amphiphilic triblock copolymer, poly(pyrenylmethyl methacrylate)-block-polystyrene-block-poly(ethylene oxide) (PPy-b-PSt-b-PEO), was synthesized using atom-transfer radical polymerization. Formation ...
Calix[2]-m-benzo[4]phyrin with aggregation-induced enhanced-emission characteristics: Application as a Hg-II chemosensor

Salini, P S; Ajesh P Thomas; Sabarinathan, R; Ramakrishnan, S; Gowri Sreedevi, K C; Reddy, M L P; Srinivasan, A (Wiley, 2011)
Aqueous sol-gel synthesis of lanthanum phosphate nano rods starting from lanthanum chloride precursor

Sankar, S; Warrier, K G K (Springer, 2011)

Aqueous sol-gel technique is reported for synthesizing nanosize, rod shaped lanthanum phosphate particles starting from lanthanum chloride, which is suitable for variety of applications such as machinable ceramics, thermal ...
Structure and dielectric properties of a new series of pyrochlores in the Ca-Sm-Ti-M-O (M = Nb and Ta) system

Sameera, S; Prabhakar Rao, P; Chandran, M R (Springer, 2011)

The present work investigates the dielectric properties of pyrochlore type oxides, Ca-Sm-Ti-M-O (M = Nb and Ta) in the low frequency region (100 Hz-1 MHz) over the temperature range 30-100 A degrees C. The 1 MHz dielectric ...
Water splitting promoted by a ruthenium (II) PNN complex: An alternate pathway through a dihydrogen complex for hydrogen production

Sandhya, K S; Suresh, C H (American Chemical Society, 2011)

A new mechanism involving the formation of a dihydrogen intermediate is described using the TPSS level of the DFT method for the generation of hydrogen from water catalyzed by the PNN Ru(II) pincer complex 4 (Science 2009, ...
DNA-assisted white light emission through FRET

Sanju, K S; Prakash, P N; Ramaiah, D (Royal Society of Chemistry, 2011)

We observed FRET between an excimer of a partially intercalated cyclophane and ethidium bromide, a classical intercalator in presence of DNA and by fine-tuning the molar concentrations of these three components, we could ...
Photoresponsive soft materials: Synthesis and photophysical studies of a stilbene-based diblock copolymer

Sajith Menon; Remyamol, T; Shinto Varghese; Suresh Das (Wiley, 2011)

An amphiphilic diblock copolymer composed of a photoresponsive dialkoxycyanostilbene polymethacrylate and poly(ethylene oxide) (PDACS-b-PEO) was synthesized and its photophysical and aggregation properties were investigated. ...
Mechanisms of reductive eliminations in square planar pd(ii) complexes: Nature of eliminated bonds and role of trans influence

Sajith, P K; Suresh, C H (American Chemical Society, 2011)

The trans influence of various phosphine ligands (L) in direct as well as dissociative reductive elimination pathways yielding CH(3)CH(3) from Pd(CH(3))(2)L(2) and CH(3)Cl from Pd(CH(3))(Cl)L(2) has been quantified in terms ...
Bond dissociation energies of ligands in square planar Pd(II) and Pt(II) complexes: An assessment using trans influence

Sajith, P K; Suresh, C H (Elsevier, 2011)

DFT calculations using MPWB1K method with COSMO continuum solvation model have been carried out to quantify the trans influence of various X ligands (E(X)) in [Pt(II)Cl(3)X](n-) complexes as well as the mutual trans influence ...
Selective photothermal efficiency of citrate capped gold nanoparticles for destruction of cancer cells

Raji, V; Jatish Kumar; Rejiya, C S; Vibin, M; Shenoi, V N; Annie Abraham (Elsevier, 2011)

Gold nanoparticles are recently having much attention because of their increased applications in biomedical fields. In this paper, we demonstrated the photothermal efficacy of citrate capped gold nanoparticles (AuNPs) for ...
Sea buckthorn (Hippophae rhamnoides) proanthocyanidins inhibit in vitro enzymatic hydrolysis of protein

Ranjith, A; Arumughan, C (Wiley, 2011)

Interactions of phenolics with other food constituents and digestive enzymes are likely to have interference with the digestion and bioavailability of food and phenolics. In this study the effect of sea buckthorn ...
Micro and macroalgal biomass: A renewable source for bioethanol

Rojan P John; Anisha, G S; Nampoothiri, K M; Pandey, A (Elsevier, 2011)

Population outburst together witzh increased motorization has led to an overwhelming increase in the demand for fuel. In the milieu of economical and environmental concern, algae capable of accumulating high starch/cellulose ...
Glycine in the conserved motif III modulates the thermostability and oxidative stress resistance of peptide deformylase in Mycobacterium tuberculosis

Sai Shyam, N; Sokkar, P; Ramachandran, M; Nampoothiri, K M (Wiley/ Blackwell, 2011)

Peptide deformylase (PDF) catalyses the removal of the N-formyl group from the nascent polypeptide during protein maturation. The PDF of Mycobacterium tuberculosis H37Rv (MtbPDF), overexpressed and purified from Escherichia ...
β-cyclodextrin as an end-to-end connector

Retheesh, K; Gopidas, K R (American Chemical Society, 2011)

Interaction of beta-cyclodextrin (beta-CD) with a ditopic molecule having adamantane (AD) at one end and a pyromellitic diimide (PMDI) moiety at the other is studied. The AD moiety undergoes inclusion binding with the ...
Novel semisquaraine regioisomers: isolation, divergent chemical reactivity and photophysical properties

Rekha, R A; Jyothish, K; Suresh, C H; Ramaiah, D (Royal Society of Chemistry, 2011)

A zwitterionic semisquaraine 1,3-regioisomer which exhibits distinct photophysical properties and chemical reactivity was isolated. Uniquely, this isomer has been identified as the reactive intermediate in the squaraine ...
Influence of oxygen to argon ratio on the properties of RF magnetron sputtered Ba0.7Sr0.3TiO3 thin films

Reshmi, R; Jayaraj, M K; Sebastian, M T (The Electrochemical Society, 2011)

The optical properties of thin films of barium strontium titanate (BST) are important due to its wide band gap, high refractive index and low absorption coefficient and hence find application in electro-optic and non-linear ...
Investigations on the spermine provoked liquid crystalline phase behavior of high molecular weight DNA in the presence of alkali and alkaline earth metal ions

Neethu Sundaresan; Thresia, T; Thomas, T J; Pillai, C K S (Royal Society of Chemistry, 2011)

The effect of alkali and alkaline earth metal ions on the spermine induced condensates of high molecular weight DNA was studied. The spermine induced DNA precipitation was facilitated by the alkali and alkaline earth metal ...
Antiperoxidative, free radical scavenging and metal chelating activities of Boerhaavia diffusal.

Prathapan, A; Singh, M K; Anusree, S S; Soban Kumar, D R; Sundaresan, A; Raghu, K G (Wiley, 2011)

Boerhaavia diffusa, a green leafy vegetable and medicinal plant as whole was traditionally used in treating different ailments due to its multiple pharmacological activities viz., immuno suppressant, anti-diabetic, analgesic, ...
Influence of nano-Cu additive on MgB2 phase formation, processing temperature, and transport properties

Neson Varghese; Vinod, K; Rahul, S; Devadas, K M; Syju Thomas; Pradhan, S; Syamaprasad, U (American Institute of Physics, 2011)

Pure and nano-Cu doped MgB2/Fe superconducting wires were prepared by in situ powder-in-tube method at different temperatures (550-675 degrees C). The phase formation, microstructure, and transport critical current density ...

Now showing items 121-140 of 186

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