2009: Recent submissions

Now showing items 21-40 of 184

Dual Optoelectronic Visual Detection and Quantification of Spectroscopically Silent Heavy Metal Toxins: A Multi-measurand Sensing Strategy Based on Rhodamine 6G as Chromo or Fluoro Ionophore

Prathish, K P; James, D; Jaisy, J; Prasada Rao, T (Elsevier, 2009-07-04)

A novel colorimetric chemo-sensor for the simultaneous visual detection and quantification of spectroscopically silent heavy metal toxins viz. cadmium, lead and mercury has been developed. This is based on the proposed ...
Direct Oxidation Route from Metal to Ceramic: Study on Cobalt Oxide

Metz, R; Morel, J; Delalu, H; Ananthakumar, S; Hassanzadeh, M (Elsevier, 2009-10)

The study deals with the direct-oxidation kinetics of micronic-cobalt metal particles and its simulation for the complete transition from metal to ceramic. The simulation was also experimentally verified. All the three ...
Development of Electromagnetic Shielding Materials from the Conductive Blends of Polyaniline and Polyaniline-clay Nanocomposite-EVA: Preparation and Properties

Sudha, J D; Sivakala, S; Prasanth, R; Reena, V L; Nair, P R (Elsevier, 2009-03)

Electromagnetic interference shielding composite materials were developed from the conductive blends of nanostructured polyaniline (PANI) and polyaniline-clay nanocomposite (PANICN) with ethylene vinyl acetate (EVA) as ...
Adsorption of Pb(II) and Pb(II)-Citric Acid on Sawdust Activated Carbon: Kinetic and Equilibrium Isotherm Studies

Sreejalekshmi, K G; Krishnan, K A; Anirudhan, T S (Elsevier, 2009-01-30)

The removal of Pb(II) and Pb(II)-citric acid (Pb(II)-CA) from aqueous solutions by sawdust activated carbon (SDAC) was investigated. The higher adsorptive removal of Pb(II) from aqueous solutions containing Pb(II)-CA ...
Synthesis, Structure and Properties of Cross-linked R(SiO1.5)/ SiO2 (R = 3-glycidoxypropyl) Porous Organic Inorganic Hybrid Networks Dried at Ambient Pressure

Shajesh, P; Smitha, S; Aravind, P R; Warrier, K G K (Elsevier, 2009-08-15)

Highly porous organic inorganic hybrid networks have been prepared from tetraethoxysilane (TEOS) and 3-glycidoxypropyltrimethoxysilane (GPTMS) precursors by drying at ambient pressure. Hydrolysis–condensation reactions ...
Synthesis and Characterization of New Environmentally Benign Tantalum-doped Ce0.8Zr0.2O2 Yellow Pigments: Applications in Coloring of Plastics

Vishnu, V S; George, G; Divya, V; Reddy, M L P (Elsevier, 2009)

New inorganic pigments having the general formula Ce1 (xþy)ZrxTayO2þd (x ranges from 0.15 to 0.2 and y ranges from 0 to 0.05) displaying colors ranging from white to yellow have been synthesized by a traditional solid-state ...
Nanocomposite Based on Modified TiO2–BSA for Functional Applications

Simi, C K; Emilia Abraham, T (Elsevier, 2009-07-01)

A novel nanocomposite based on TiO(2)-protein for functional applications was prepared and characterized. The composite was made by covalent immobilisation of bovine serum albumin (BSA) on to the TiO(2) particles. BSA was ...
Highly Enhanced Superconducting Properties of Bi-2212 by Y and Pb Co-doping

Sarun, P M; Shabna, R; Vinu, S; Biju, A; Syamaprasad, U (Elsevier, 2009-05-01)

The effects of Y and Pb co-doping on phase evolution, microstructure, electrical and superconducting properties of Bi-2212 have been studied. The results show that Y3+ ions enter into the crystal structure by replacing ...
Direct Lactic Acid Fermentation: Focus on Simultaneous Saccharification and Lactic Acid Production

Rojan P John; Anisha, G S; Nampoothiri, K M; Pandey, A (Elsevier, 2009-03)

In the recent decades biotechnological production of lactic acid has gained a prime position in the industries as it is cost effective and eco-friendly. Lactic acid is a versatile chemical having a wide range of applications ...
Desymmetrization of meso-Bicyclic Hydrazines: An Efficient Strategy Towards the Synthesis of Functionalized Cyclopentenes

Sajisha, V S; Anas, S; Jubi John; Radhakrishnan, K V (Thieme, 2009)

Desymmetrization of meso-bicyclic hydrazines offers a facile entry into the class of functionalized cyclopentenes. Various methodologies used along this direction are described in this account. Our attempts in this area ...
Cellulase Production using Biomass Feed Stock and its Application in Lignocellulose Saccharification for Bio-ethanol Production

Rajeev K Sukumaran; Singhania, R R; Gincy, M M; Pandey, A (Elsevier, 2009-02)

A major constraint in the enzymatic saccharification of biomass for ethanol production is the cost of cellulase enzymes. Production cost of cellulases may be brought down by multifaceted approaches which include the use ...
Analysis of Thermo-magnetic Fluctuations in Bi1.6Pb0.5Sr2−xLuxCa1.1Cu2.1O8+ı (0.000≤x≤0.125) Superconductor

Vinu, S; Sarun, P M; Shabna, R; Syamaprasad, U (Elsevier, 2009)

The effect of substitution of rare-earth Lu on the glass transition temperature (Tg), the temperature and magnetic field dependent activation energy [U0(B,T)] and flux pinning properties of Bi1.6Pb0.5Sr2−xLuxCa1.1Cu2.1O8+ı ...
A Comparative Study on Antioxidant Activities of Different Varieties of Solanum Melongena

Nisha, P; Abdul Nazar, P; Jayamurthy, P (Elsevier, 2009-10)

Eggplant is one of most common vegetables consumed all around the world. The present study evaluates the antioxidant potential of four different varieties of eggplant (long green, purple coloured big size, purple coloured ...
Refinement of Microstructure and Highly Improved Electrical Properties of Bi1.6Pb0.5Sr1.925Ho0.075Ca1.1Cu2.1O8+δBi1.6Pb0.5Sr1.925Ho0.075Ca1.1Cu2.1O8+δ Superconductor

Vinu, S; Sarun, P M; Shabna, R; Syamaprasad, U (AIP Publishing, 2009)

The importance of rare-earth (RE) doping and precise tuning of sintering temperature on the microstructural features, electrical properties, and magnetic performance of a (Bi,Pb)-2212 superconductor sintered between 846 ...
A Novel Multicomponent Reaction Involving Isoquinoline, Allenoate and Cyanoacrylates

Vijay Nair; Beneesh, P B; Vimal, V; Sinu, C R; Paul, R R; Anabha, E R; Suresh, E (Elsevier, 2009-07-01)

Transient zwitterion generated from allenoate and isoquinoline was successfully intercepted with cyanoacrylates and arylidenemalononitriles to devise a novel multicomponent reaction under mild conditions.
Synthesis of Highly Functionalized Allene-Appended Oxindoles and 2-Oxo-1,2-dihydroindol-3-ylidene-2,5-dihydrofurans via Claisen Rearrangement and Cyclization

Vaithiyanathan, V; Selvakumar, K; Shanmugam, P (Thieme, 2009)

Synthesis of highly functionalized allene appended oxindole derivatives from vinyl propargyl ether derivatives of Morita-Baylis-Hillman adducts of isatin via Claisen rearrangement has been achieved. Synthetic utility of ...
Enzymatic Synthesis of Banana Flavour (isoamyl acetate) by Bacillus Licheniformis S-86 Esterase

Torres, S; Baigori, M D; Swathy, S L; Pandey, A; Castro, G R (Elsevier, 2009-05)

New carboxylesterase from organic-solvent-tolerant Bacillus licheniformis S-86 strain was characterized. The enzyme named as type II esterase showed an optimal activity in the temperature range 60–65 °C and pH 8.0. The ...
Production, Characterization and Application of Keratinase from Streptomyces Gulbargensis

Syed, D G; Lee, J C; Li, W J; Kim, C J; Agasar, D (Elsevier, 2009-03)

A Streptomyces gulbargensis newly isolated, thermotolerant feather-degrading bacterial strain was investigated for its ability to produce keratinase enzyme. Maximum keratinolytic activity was observed at 45 degrees C and ...
Influence of Boron Addition on the Grain Refinement and Mechanical Properties of AZ91 Mg Alloy

Suresh, M; Srinivasan, A; Ravi, K R; Pillai, U T S; Pai, B C (Elsevier, 2009-11-15)

This article reports the effect of boron addition on the grain refinement efficiency and mechanical properties of AZ91 magnesium alloy. The results show that the addition of boron in the form of Al–4B master alloy, ...
Sedimentological and Mineralogical Investigation of Beach Sediments of a Fast Prograding Cuspate Foreland (Point Calimere), Southeast Coast of India

Sundararajan, M; Usha, N; Babu, N; Seralathan, P (Academic Journals Inc, 2009)

Beach sediments from the Point Calimere coast are studied for composition and for deciphering their origin and mode of deposition. The sediments are medium to fine sand. Heavy mineral suits are pyroxenes, amphiboles, ...

Now showing items 21-40 of 184

Search DSpace

Advanced Search

Browse

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

Recently added

2009: Recent submissions

Search DSpace

Browse

All of DSpace

This Collection

My Account