2010: Recent submissions

Now showing items 101-120 of 165

Structure, microstructure, and microwave dielectric properties of (Sr2-xCax)(MgTe)O-6 double perovskites

Ubic, R; Letourneau, S; Sherin Thomas; Subodh, G; Sebastian, M T (American Chemical Society, 2010)

Sr2-xCaxMgTeO6 (0 <= x <= 2) ceramics were prepared by the solid-state ceramic route. Structure and microstructure of the compounds were investigated using XRD, TEM, and SEM methods. The system undergoes a transition from ...
Synthesis and microwave dielectric properties of novel temperature stable high Q, Li(2)ATi(3)O(8) (A=Mg, Zn) ceramics

Sumesh George; Sebastian, M T (Wiley, 2010)

Li(2)ATi(3)O(8) (A=Mg, Zn) ceramics are prepared by the conventional solid-state ceramic route, and the phase purity, microstructure, and microwave dielectric properties are investigated. Li2MgTi3O8 ceramics show ...
Near-infrared reflecting yellow inorganic pigments based on molybdenum-doped yttrium cerate: Synthesis, characterization, and optical properties

Vishnu, V S; Reddy, M L P (Chemical Society of Japan, 2010)

A new series of yellow inorganic pigments possessing high near-infrared (NIR) reflectance (91-96% at 1100 nm), based on molybdenum-doped yttrium cerate was synthesized by traditional solid-state route. The band gap of the ...
Solid state production of manganese peroxidases using Arecanut Husk as substrate

Akhila Rajan; Jayalakshmi, G K; Emilia Abraham, T (Instituto Tecnologia Parana, 2010)

The lignocellulosic biomass from arecanut husk (Areca catechu Linnaeus) was evaluated as a new substrate for cultivation of Phanerochaete chrysosporium and Phanerochaete sp for solid state fermentation of manganese peroxidase ...
Vibrational spectroscopic study of Sr2ZnTeO6 double perovskites Moreira

Dias, S; Subodh, G; Sebastian, M T; Moreira, R L (Wiley, 2010)

Sr2ZnTeO6 ceramics were prepared by the solid-state route and their vibrational phonon modes were investigated using optical spectroscopic techniques, for the first time. X-ray diffraction (XRD) and Raman and infrared ...
A Zn2+-specific fluorescent molecular probe for the selective detection of endogenous cyanide in biorelevant samples

Divya, K P; Sreejith, S; Balakrishna, B; Jayamurthy, P; Anees, P; Ajayaghosh, A (Royal Society of Chemistry, 2010)

A Zn2+-specific molecular probe 3 was developed for the selective detection of CN- under aqueous conditions. The fluorescent Zn2+ complex of 3 upon CN- addition generates a bright blue fluorescence that allows the detection ...
Calix[n]metallocenyl[m]phyrins (n=1, 2 and m=2, 4): aryl vs. alkyl

Ramakrishnan, S; Anju, K S; Ajesh P Thomas; Suresh, E; Srinivasan, A (Royal Society of Chemistry, 2010)

The syntheses, spectral and structural characterization of metallocenes incorporated normal and expanded calixphyrins are reported.
Rational design of nanofibers and nanorings through complementary hydrogen-bonding interactions of functional pi systems

Yagai, S; Aonuma, H; Kikkawa, Y; Kubota, S; Karatsu, T; Kitamura, A; Mahesh, S; Ajayaghosh, A (Wiley-Blackwell, 2010)

A simple protocol to create nanofibers and -rings through a rational self-assembly approach is described. Whereas the melamine–oligo(p-phenylenevinylene) conjugate 1a self-aggregates to form ill-defined nanostructur ...
Geochemistry of core sediments from Mullipallam creek, South East coast of India

Sundararajan, M; Usha, N (Springer, 2010)

The Mullipallam creek in Muthupet mangroves region is the only E-W trending coastal strip in the SE coast of India and is very important, as the mangrove acts as a barrier to natural diasters. Natural, anthropogenic signals ...
Hydrazine-induced room-temperature transformation of CdTe nanoparticles to nanowires

Pratheesh, V N; George Thomas, K (American Chemical Society, 2010)

The effect of hydrazine on the photophysical and morphological properties of water-soluble thioglycolic acid-capped cadmium telluride (CdTe) nanopaiticles at room temperature has been investigated. At lower concentrations ...
Crotepoxide chemosensitizes tumor cells through inhibition of expression of proliferation, invasion, and angiogenic proteins linked to proinflammatory pathway

Prasad, S; Yadav, V R; Chitra, S; Reuter, S; Hema, P S; Mangalam S Nair; Chaturvedi, M M; Aggarwal, B B (American Society for Biochemistry Molecular Biology Inc, 2010)

Crotepoxide (a substituted cyclohexane diepoxide), isolated from Kaempferia pulchra (peacock ginger), although linked to antitumor and anti-inflammatory activities, the mechanism by which it exhibits these activities, is ...
Folate-producing lactic acid bacteria from cow's milk with probiotic characteristics

Dhanya, G; Swetha, S; Pandey, A; Nampoothiri, K M (Wiley, 2010)

The probiotic potential of newly isolated lactic acid bacteria from cow's milk was analysed and the efficacy of the selected isolates to produce folic acid was determined by microbiological assay. Two isolates, CM 22 and ...
Red pigments based on CeO2-MO2-Pr6O11 (M=Zr and Sn): Solid solutions for the coloration of plastics

Kumari, L S; Prabhakar Rao, P; Peter Koshy (Wiley, 2010)

New inorganic pigments based on fluorite solid solutions, Ce0.95MxPr0.05-xO2 (M=Zr and Sn; x ranges from 0 to 0.05) have been prepared by the conventional solid-state route with a goal of preparing environmentally benign ...
Transparent xyloglucan-chitosan complex hydrogels for different applications

Simi, C K; Emilia Abraham, T (Elsevier, 2010)

This article reports the oxidation of xyloglucan and its transparent hydrogel formation with chitosan. The xyloglucan was oxidized by using periodate and the oxidized xyloglucan was blended with chitosan which formed ...
Biodegradable biocompatible xyloglucan films for various applications

Simi, C K; Emilia Abraham, T (Springer, 2010)

Polysaccharides are known for their film-forming properties which have been intensively investigated for food and non-food applications. Here we have developed a xyloglucan transparent film for various applications especially ...
Development of a simple aqueous solution based chemical method for synthesis of mesoporous gamma-alumina powders with disordered pore structure

Naik, B; Prasad, V S; Ghosh, N N (Springer, 2010)

A technically simple chemical method for the synthesis of mesoporous gamma-alumina has been reported. Mesoporous gamma-aluminas with different pore structure and surface area were synthesized by using aluminium nitrate as ...
Synthesis, crystal structure, and photoluminescence of homodinuclear lanthanide 4-(Dibenzylamino) benzoate complexes

Ramya, A R; Reddy, M L P; Cowley, A H; Vasudevan, K V (American Chemical Society, 2010)

Three new binuclear lanthanide complexes of general formula [Ln(2)(L)(6)(H2O)(4)] (Ln = Tb (1), Eu (2), and Gd (3)) supported by the novel aromatic carboxylate ligand 4-(dibenzylamino)benzoic acid (HL) have been synthesized. ...
Thermal characterization of nanocrystalline porous CePO4 ceramics

George, S D; Rajesh Komban; Warrier, K G K; Radhakrishnan, P; Nampoori, V P N; Vallabhan, C P G (Taylor & Francis, 2010)

A laser-induced photoacoustic technique was employed to investigate thermal transport through nanocrystalline CePO4 samples prepared via the sol-gel route. Evaluation of thermal diffusivity was carried out using the ...
New negative temperature coefficient ceramics in Ca-Ce-Nb-M-O (M=Mo or W) system

Deepa, M; Prabhakar Rao, P; Sumi, S; Radhakrishnan, A N P; Peter Koshy (Wiley, 2010)

A series of quaternary powellites with varying cerium contents in a Ca-Ce-Nb-M-O (where M=Mo or W) system has been synthesized through the solid-state route. Powder X-ray diffraction analysis shows that these compounds ...
Growth of monodisperse nanocrystals of cerium oxide during synthesis and annealing

Ghosh, S K; Divya, D; Remani, K C; Sreeremya, T S (Springer, 2010)

Monodisperse cerium oxide nanocrystals have been successfully synthesised using simple ammonia precipitation technique from cerium(III) nitrate solution at different temperatures in the range 35-80 A degrees C. The activation ...

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