2011: Recent submissions

Now showing items 101-120 of 186

Lanthanide sulfate frameworks: synthesis, structure, and optical properties

Yotnoi, B; Rujiwatra, A; Reddy, M L P; Sarma, D; Natarajan, S (American Chemical Society, 2011)

Layered lanthanide sulfate compounds with three different structures have been prepared and characterized. The compounds [C(10)H(10)N(2)] [La(SO(4))(2)]center dot 2H(2)O (I), [C(10)H(10)N(2)] [La(SO(4))(2)(H(2)O)(2)](2) ...
Fluorescence imaging of stem cells, cancer cells and semi-thin sections of tissues using silica-coated CdSe quantum dots

Vibin, M; Vinayakan, R; Annie John; Raji, V; Rejiya, C S; Annie Abraham (Springer, 2011)

Trioctylphosphine oxide capped cadmium selenide quantum dots, synthesized in organic media were rendered water soluble by silica overcoating. Silanisation was done by a simple reverse microemulsion method using aminopropyl ...
The effect of charcoal addition on the grain refinement and ageing response of magnesium alloy AZ91

Suresh, M; Srinivasan, A; Pillai, U T S; Pai, B C (Elsevier, 2011)

This article focuses on the grain refinement and ageing behavior of AZ91 Mg alloy inoculated with charcoal. The results show addition of 0.2 wt% charcoal has made considerable grain refinement in the AZ91 Mg alloy by ...
Microstructural refinement and tensile properties enhancement of Mg-3Al alloy using charcoal additions

Suresh, M; Srinivasan, A; Ravi, K R; Pillai, U T S; Pai, B C (Elsevier, 2011)

Significant grain refinement in Mg-3Al alloy is achieved with the addition of charcoal due to the formation of Al (4)C(3) particles, which act as effective nuclei for magnesium grains. Addition of 0.5 wt% charcoal has lead ...
Structure and properties of nanocrystalline BaHfO3 synthesized by an auto-igniting single step combustion technique

Thomas, J K; Padma Kumar, H; Prasad, V S; Sam Solomon (Elsevier, 2011)

High quality nanoparticles of barium hafnate have been synthesized using an auto-ignition modified combustion technique. The nanoparticles thus obtained have been characterized by powder X-ray diffraction, thermo gravimetric ...
Organic solvent adaptation of Gram positive bacteria: Applications and biotechnological potentials

Torres, S; Pandey, A; Castro, G R (Elsevier, 2011)

Organic-solvent-tolerant bacteria are considered extremophiles with different tolerance levels that change among species and strains, but also depend on the inherent toxicity of the solvent. Extensive studies to understand ...
ZrSiO4 ceramics for microwave integrated circuit applications

Varghese, J; Joseph, T; Sebastian, M T (Elsevier, 2011)

The sintering temperature of ZrSiO4 ceramic was optimized by studying the variation of density as a function of temperature. The dielectric properties were investigated at the radio and microwave frequencies. It has ...
Isolation and characterization of a novel alpha-amylase from a metagenomic library of Western Ghats of Kerala, India

Vidya, J; Sweta, S; Singh, S K; Deepthy Alex; Rajeev K Sukumaran; Pandey, A (Springer, 2011)

In the present study, metagenomic library of Western Ghats soil sample was constructed in a fosmid vector (pCC1FOS) and screened for biocatalytic properties. The clones showed amylolytic activity on Luria-Bertani starch ...
Cloning, functional expression and characterization of L-Asparaginase II from E. coli MTCC 739

Vidya, J; Ushasree, M V; Soccol, C R; Pandey, A (Faculty Food Technology Biotechnology, 2011)

L-Asparaginase is an antineoplastic agent that selectively decreases the level of L-asparagine in blood and diminishes the proliferation of the cancerous cells. L-Asparaginases from Escherichia coli are widely used for ...
Cellular uptake and subcellular localization of highly luminescent silica-coated CdSe quantum dots - In vitro and in vivo

Vibin, M; Vinayakan, R; Annie John; Rejiya, C S; Raji, V; Annie Abraham (Elsevier, 2011)

With excellent optical properties, quantum dots (QDs) have been made as attractive molecular probes for labeling cells in biological research. The purpose of the present work is to explore the possible role of silica-coated ...
Biokinetics and in vivo distribution behaviours of silica-coated cadmium selenide quantum dots

Vibin, M; Vinayakan, R; Annie John; Raji, V; Rejiya, C S; Vinesh, N S; Annie Abraham (Springer, 2011)

Recently, quantum dots derived from trace elements like cadmium and selenium have attracted widespread interest in biology and medicine. They are rapidly being used as novel tools for both diagnostic and therapeutic purposes. ...
Cytotoxicity and fluorescence studies of silica-coated CdSe quantum dots for bioimaging applications

Vibin, M; Vinayakan, R; Annie John; Raji, V; Rejiya, C S; Vinesh, N S; Annie Abraham (Springer, 2011)

The toxicological effects of silica-coated CdSe quantum dots (QDs) were investigated systematically on human cervical cancer cell line. Trioctylphosphine oxide capped CdSe QDs were synthesized and rendered water soluble ...
Low-temperature sintering and microwave dielectric properties of Li2ATi3O8 (A=Mg, Zn) ceramics

Sumesh George; Sebastian, M T (Wiley, 2011)

New temperature-stable low-loss ceramicglass composites based on Li2ATi3O8 (A=Mg, Zn) ceramics have been prepared by the conventional solid-state ceramic route. The effect of lithium magnesium zinc borosilicate (LMZBS) ...
5, 5-Diaryldipyrromethanes: syntheses and anion binding properties

Gowri Sreedevi, K C; Ajesh P Thomas; Salini, P S; Ramakrishnan, S; Anju, K S; Holaday, M G D; Reddy, M L P; Suresh, C H; Srinivasan, A (Elsevier, 2011)

A two-step synthesis of 5, 5-diaryldipyrromethanes in good yields is described. The adopted synthetic strategy can be used to tune the substituent at the meso-carbon very easily by choosing the Grignard reagent of interest. ...
Cu (II) mediated generation and spectroscopic study of the Tris(4-anisyl)amine radical cation and dication. Unusually shielded chemical shifts in the dication

Sreenath, K; Thomas, T G; Gopidas, K R (American Chemical Society, 2011)

The reaction of tris(4-anisyl)amine (TAA) with Cu(2+) ion leading to formation of the TAA radical cation and dication is described. Spectroscopic studies confirm the formation of the radical cation and dication. (1)H and ...
Properties of a major beta-glucosidase-BGL1 from Aspergillus niger NII-08121 expressed differentially in response to carbon sources

Singhania, R R; Rajeev K Sukumaran; Rajasree, K P; Mathew, A; Lalithadevi, G; Pandey, A (Elsevier, 2011)

Aspergillus niger NII-08121/MTCC 7956 exhibited differences in expression of beta-glucosidase (BGL) in response to carbon sources provided in the medium. Activity staining with methyl umbelliferyl beta-D-glucopyranoside ...
Gold nanorods with finely tunable longitudinal surface plasmon resonance as SERS substrates

Smitha, S L; Gopchandran, K G; Ravindran, T R; Prasad, V S (IOP Publishing, 2011)

Advances in nanophotonics have shown the potential of colloidal metal nanoparticles with sharp tips, such as rods, to focalize plasmonic electromagnetic fields. We report on the synthesis of Au nanorods via a seed mediated ...
Environmental geochemistry of core sediments from Serthalaikkadu creek, East coast of India

Sundararajan, M; Usha, N (Springer, 2011)

The Serthalaikkadu creek in Muthupet mangroves region is the only E-W trending coastal strip in the SE coast of India and it also acts as a barrier to natural disasters. Natural, anthropogenic signals and accumulation of ...
Dilute acid pretreatment and enzymatic saccharification of sugarcane tops for bioethanol production

Sindhu, R; Kuttiraja, M; Binod, P; Janu, K U; Rajeev K Sukumaran; Pandey, A (Elsevier, 2011)

The aim of this work was to study the feasibility of using sugarcane tops as feedstock for the production of bioethanol. The process involved the pretreatment using acid followed by enzymatic saccharification using cellulases ...
Production of leucine amino peptidase in lab scale bioreactors using Streptomyces gedanensis

Raji, R; Dhar, K S; Nampoothiri, K M; Pandey, A (Elsevier, 2011)

Studies were conducted on the production of leucine amino peptidase (LAP) by Streptomyces gedanensis to ascertain the performance of the process in shake flask, parallel fermenter and 5-L fermenter utilizing soy bean meal ...

Now showing items 101-120 of 186

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