Browsing 2005 by Title

Now showing items 1-20 of 107

(1-x)MgAl2O4-xTiO(2) dielectrics for microwave and millimeter wave applications

Surendran, K P; Bijumon, P V; Mohanan, P; Sebastian, M T (Springer, 2005)

The MgAl2O4 ceramics were prepared by the conventional solid-state ceramic route and the dielectric properties studied in the microwave frequency region (3-13 GHz). The phase purity and crystal structure were identified ...
[6+3] cycloaddition of fulvenes with 3-oxidopyrylium betaine: a novel methodology for the synthesis of fused cyclooctanoid natural products

Radhakrishnan, K V; Syam Krishnan, K; Bhadbhade, M M; Bhosekar, G V (Elsevier, 2005)

Fulvenes undergo an easy [6+3] cycloaddition with 3-oxidopyrylium betaines leading to 5-8 fused oxabridged cyclooetanoids.
Alpha,beta-(C-C-C) agostic bonds in transition metal based olefin metathesis catalyses

Suresh, C H; Baik, M-H (The Royal Society of Chemistry, 2005)

An alpha,beta-(C - C - C) agostic bond is found to provide the additional stabilization needed to make the formally 14-electron metallacyclobutane intermediate lower in energy than its 16-electron alkylidene analogue during ...
Amberlite XAD-4 functionalized with succinic acid for the solid phase extractive preconcentration and separation of uranium(VI)

Metilda, P; Sanghamitra, K; Mary Gladis, J; Naidu, G R K; Prasada Rao, T (Elsevier Science, 2005)

Amberlite XAD-4 resin has been functionalized with succinic acid by coupling it with dibromosuccinic acid after acetylation. The resulting resin has been characterized by FT-IR, elemental analysis and TGA and has been used ...
Anion induced modulation of self-assembly and optical properties in urea end-capped oligo(p-phenylenevinylene)s

Reji Varghese; Subi J George; Ajayaghosh, A (Royal Society of Chemistry, 2005)

The non-emissive supramolecular assembly of urea end-capped oligo(p-phenylenevinylene) flourophores turned strongly emissive in the presence of tetrabutylammonium flouride which has implications in the anion controlled ...
Antioxidant activity of sesame cake extract

Suja, K P; Jayalekshmy, A; Arumughan, C (Elsevier Science, 2005)

Sesame cake was extracted with methanol to obtain a crude antioxidant extract. The qualitative and quantitative analysis of antioxidants/lignans present in the extract was carried out by reverse phase high performance ...
An aqueous sol–gel route to synthesize nanosized lanthanadoped titania having an increased anatase phase stability for photocatalytic application

Baiju, K V; Sibu, C P; Rajesh Komban; Krishna Pillai, P; Mukundan, P; Warrier, K G K; Wunderlich, W (Elsevier, 2005)

A novel synthesis method is reported, involving peptisation and doping of lanthana on colloidal sol-gel titania derived from titanyl sulphate, where the anatase phase has a high stability above 800degreesC and a specific ...
Ba2ErNbO6: A new perovskite ceramic substrate for Bi(2223) superconducting thick films (T-c(0)=110 K)

Nair, S U K; Warriar, P R S; Jacob Koshy (Indian Academy of Sciences, 2005)

Barium erbium niobate (Ba2ErNbO6) has been developed as a new substrate for (Bi,Pb)(2)Sr2Ca2Cu3Ox, [Bi(2223)] superconductor film. Ba2ErNbO6 (BENO) has a cubic perovskite structure with lattice constant, a = 8.318 Angstrom. ...
Biopigments from monascus:Strains selection, citrinin production and color stability

Carvalho, J C; Oishi, B O; Pandey, A; Soccol, C R (Instituto de Tecnologia do Paraná, 2005)

Fungi form the genus Monascus are a promising source for natural color additives. However, before effectively applying Monascus to foods, it is important to select strains which produce large amounts of biopigments but ...
Biosensor for the determination of phenols based on Cross-Linked Enzyme Crystals (CLEC) of laccase

Jegan Roy, J; Emilia Abraham, T; Abhijith, K S; Sujith Kumar, P V; Thakur, M S (Elsevier, 2005)

Cross-linked enzyme crystals (CLECs) are a versatile form of biocatalyst that can also be used for biosensor application. Laccase from Trametes versicolor (E.C.1.10.3.2) was crystallized, cross-linked and lyophilized with ...
Biosoftening of arecanut fiber for value added products

Akhila Rajan; Jayalakshmi, G K; Emilia Abraham, T (Elsevier, 2005)

The arecanut husk fibers are predominantly composed of cellulose and varying proportions of hemicellulose, lignin, pectin and protopectin. Microbes that selectively remove lignin without loss of appreciable amounts of ...
Biosoftening of coir fiber using selected microorganisms

Akhila Rajan; Resmi, C S; Pavithran, C; Emilia Abraham, T (Springer, 2005)

Coir fiber belongs to the group of hard structural fibers obtained from coconut husk. As lignin is the main constituent of coir responsible for its stiffness, microbes that selectively remove lignin without loss of appreciable ...
The buoyant filter bioreactor: A high-rate anaerobic reactor for complex wastewater - process dynamics with dairy effluent

Ajit Haridas; Suresh, S; Chitra, K R; Manilal, V B (Elsevier, 2005)

A novel high-rate anaerobic reactor, called "Buoyant Filter Bioreactor" (BFBR), has been developed for treating lipid-rich complex wastewater. The BFBR is able to decouple the biomass and insoluble COD retention time from ...
Chemical modification and immobilization of papain

Jegan Roy, J; Sumi, S; Sangeetha, K; Emilia Abraham, T (Wiley, 2005)

Papain, an endolytic cysteine protease (EC: 3.4.22.2), from Carica papaya latex has been chemically modified using succinic anhydride. This reagent reacts with the amino group of the lysine residues in the enzyme, thereby ...
Coconut fibre reinforced polyethylene composites:Effect of natural waxy surface layer of the fibre on fibre/matrix interfacial bonding and strength of composites

Brahmakumar, M; Pavithran, C; Pillai, R M (Elsevier, 2005)

Coconut fibre has been used as reinforcement in low-density polyethylene. The effect of natural waxy surface layer of the fibre on fibre/matrix interfacial bonding and composite properties has been studied by single fibre ...
Comparative evaluation of neutral protease production by Aspergillus oryzae in submerged and solid-state fermentation

Sandhya, C; Sumantha, A; Szakacs, G; Pandey, A (Elsevier Science, 2005)

A comparative study was carried out on the production of neutral protease using agro-industrial residues as substrate in solid-state fermentation (SSF) and submerged fermentation (SmF). Seven fungal cultures, viz. three ...
Comparative study of amidase production by free and immobilized Escherichia coli cells

Nampoothiri, K M; Roopesh, K; Sonia Chacko; Pandey, A (Humana Press Inc., 2005)

Escherichia coli NCIM 2569 was evaluated for its potential for amidase production under submerged fermentation. Among the various amide compounds screened, maximum substrate specificity and enzyme yield (8.1 U/mL) were ...
A convenient protocol for C-H oxidation mediated by an azido radical culminating in Ritter-type amidation

Vijay Nair, G; Suja, T D; Kishor Mohanan (Elsevier, 2005)

Cerium(IV) ammonium nitrate in combination with sodium azide reacts with Unactivated hydrocarbons in acetonitrile to furnish acetamides in one pot. The strategy can be used to introduce nitrogen functionality into a variety ...
Core-modified expanded porphyrins with large third-order nonlinear optical response

Rath, H; Sankar, J; PrabhuRaja, V; Chandrashekar, T K; Amit Nag; Goswami, D (American Chemical Society, 2005)

In general, two-photon absorption (TPA/2PA) is a third-order nonlinear process, and the efficiency of the processes involving two-photon absorption require materials with large absorption cross sections. Research on the ...
Core-modified octaphyrins: Syntheses and anion-binding properties

Misra, R; Anand, V G; Rath, H; Chandrashekar, T K (Indian Academy of Sciences, 2005)

In this paper, a brief review of the syntheses, characterization and anion-binding properties of core-modified octaphyrins is presented. It has been shown that the core-modified octaphyrins, exhibit aromaticity both in ...

Now showing items 1-20 of 107

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Browsing 2005 by Title

Browsing 2005 by Title

Search DSpace

Browse

All of DSpace

This Collection

My Account