2009: Recent submissions

Now showing items 101-120 of 184

Enhanced solar-radiation induced photocatalytic activity of surface-modified nanocrystalline anatase-titania

Priya, R; Baiju, K V; Shukla, S; Biju, S; Reddy, M L P; Patil, K R; Warrier, K G K (Springer, 2009)

Sol-gel derived pure nanocrystalline (similar to 20-30 nm) anatase-titania has been surface-modified by depositing silver(I) oxide and silver (predominantly the former) via UV-reduction process. The pure and surface-modified ...
A novel method for the upper rim alkoxy-substitution of calix[4]arene via a bis(spirodienone) route

Sreeja, T; Bhagavathy, G V; Jijy, E; Luxmi Varma, R (Elsevier, 2009)

A mild and efficient one-step procedure for the upper rim modification of calix[4]arene via a bis(spirodienone) is described. The bis(spirodienone) on reaction with alcohols in the presence of p-TSA affords mono- and ...
Synthesis and self-organization properties of copolyurethanes based on perylenediimide and naphthalenediimide units

Jancy, B; Asha, S K (Wiley, 2009)

A series of perylene and naphthalene diimide-containing random copolyurethanes with different ratios of perylene/naphthalene diimide content was synthesized and characterized. Copolymerization improved the solubility of ...
Phytodegradation potential of erythrina crista-galli L., fabaceae, in petroleum-contaminated soil

de Farias, V; Maranho, L T; de Vasconcelos, E C; Carvalho, M A D; Lacerda, L G; Azevedo, J A M; Pandey, A; Soccol, C R (Humana Press, 2009)

This work aimed at investigating both the tolerance and the phytodegradation potential of Erythrina crista-galli L. in petroleum-contaminated soil. It consisted in analyzing E. crista-galli germination, surviving, growth, ...
Computational fluid dynamics simulation of solid suspension in a gas-liquid-solid mechanically agitated contactor

Panneerselvam, R; Savithri, S; Surender, G D (American Chemical Society, 2009)

In the present study, computational fluid dynamics (CFD) simulations have been carried out to characterize a solid suspension in a gas-liquid-solid mechanically agitated contactor using the Eulerian multifluid approach ...
Low temperature coefficient dielectric materials, PbRETiTaO7 (RE=Y, La, Nd, Sm, Gd, or Dy) having pyrochlore type structure

Anjana, V; Prabhakar Rao, P; Nair, K R; Peter Koshy (Maney Publishing, 2009)

The present work investigates the dielectric properties of pyrochlore type oxides, PbRETiTaO7 (RE=Y, La, Nd, Sm, Gd, or Dy) in the low frequency region (100 kHZ-1 MHz) at temperatures between 30 and 100 degrees C and the ...
Flavonoids and other constituents from the rhizomes of Alpinia calcarata

Hema, P S; Mangalam S Nair (Elsevier, 2009)
Influence of Ho-doping on the electromagnetic field-dependent E-J characteristics of (Bi,Pb)-2212 superconductor

Sarun, P M; Vinu, S; Shabna, R; Biju, A; Guruswamy, P; Syamaprasad, U (IEEE, 2009)

The magnetic field (B) dependence of electric field versus transport current density (E-J characteristics) of Bi(1.6)Pb(0.5)Sr(2-x)Ho(x)Ca(1.1)Cu(2.1)O(8+delta) superconductor was studied for x from 0.000 to 0.200. The ...
Microwave dielectric properties and low temperature sintering of Sm2Si2O7 ceramic for substrate applications

Renjini, S N; Sherin Thomas; Sebastian, M T; Kiran, S R; Murthy, V R K (Wiley, 2009)

The Sm2Si2O7 ceramics were synthesized by solid-state ceramic route. The calcination and sintering temperature of Sm2Si2O7 were optimized for the best properties. The crystal structure and microstructure of the ceramic ...
The effect of dopants on the dielectric properties of Ba(B'Ta-1/2(1/2))O-3 (B'=La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y, Yb, and In) microwave ceramics

Abdul Khalam, L; Anjana, P S; Sebastian, M T (Wiley, 2009)

Low-loss dielectric ceramics based on Ba(B'Ta-1/2(1/2))O-3 (B'=La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y, Yb, and In) complex perovskites have been prepared by the solid-state ceramic route. The dielectric properties (epsilon(r), ...
Zero trans shortening using rice bran oil, palm oil and palm stearin through interesterification at pilot scale

Mayamol, P N; Balachandran, C; Samuel, T; Sundaresan, A; Arumughan, C (Wiley, 2009)

Fat blends, formulated by mixing refined, bleached and deodorised (RBD) palm oil (PO) or RBD palm stearin (PS) with RBD rice bran oil (RBO) in various ratios were subjected to chemical interesterification (CIE) at pilot ...
Chemical composition of essential oils of globba species from South India

Nirmala Menon, A; Dan, M (Taylor & Francis, 2009)

The chemical compositions of the essential oils of three species of the genus Globba (Zingiberaceae) (Globba cernua Baker, Globba marantina L. and Globba ophioglossa Wight) were analyzed by GC-FID and GC/MS. beta-Caryoph ...
Isolation and characterization of high-strength phenol-degrading novel bacterium of the pantoea genus

Dastager, S G; Deepa, C K; Pandey, A (Taylor & Francis, 2009)

A new indigenous soil bacterium Pantoea strain NII-153 utilizing phenol as a sole carbon source was isolated and characterized. Phylogenetic analysis suggested its classification to the Enterobacteriaceae family, with 95.0% ...
Polyhydroxybutyrate production using agro-industrial residue as substrate by bacillus sphaericus NCIM 5149

Nisha, V R; Singh, S K; Soccol, C R; Pandey, A (INST Technologia Parana, 2009)

The aim of this work was to study the production of polyhydroxybutyrate (PHB) using agro- industrial residues as the carbon source. Seven substrates, viz., wheat bran, potato starch, sesame oil cake, groundnut oil cake, ...
Role of complementary H-bonding interaction of a cyanurate in the self-assembly and gelation of melamine linked tri(p-phenyleneethynylene)s

Mahesh, S; Rajasekaran, T; Yagai, S; Kitamura, A; Ajayaghosh, A (Royal Society of Chemistry, 2009)

Melamine-functionalized tri(p-phenyleneethynylene) 1 self-assembles to form opaque and weak gels in aliphatic solvents which turned transparent and stable upon addition of a cyanurate, affording supramolecular nanostructures ...
Dual emission from stoichiometrically mixed lanthanide complexes of 3-phenyl-4-benzoyl-5-isoxazolonate and 2,2 '-bipyridine

Biju, S; Ambili Raj, D B; Reddy, M L P; Jayasankar, C K; Cowley, A H; Findlater, M (Royal Society of Chemistry, 2009)

The luminescence properties of the three new stoichiometrically mixed lanthanide complexes, Sm(1/2)Eu(1/2)(PBI)(3)center dot bpy center dot H(2)O (1), Sm(1/2)Tb(1/2)(PBI)(3)center dot bpy center dot H(2)O (2) and ...
3-Phenyl-4-acyl-5-isoxazolonate complex of Tb3+ doped into poly-beta-hydroxybutyrate matrix as a promising light-conversion molecular device

Biju, S; Reddy, M L P; Cowley, A H; Vasudevan, K V (Royal Society of Chemistry, 2009)

A novel class of efficient antenna complexes of Tb3+ based on the use of 3-phenyl-4-acyl-5-isoxazolone ligands has been designed, synthesized, characterized and their photophysical properties evaluated. The new heterocyclic ...
Highly luminescent europium(III) complexes containing organosilyl 4,4,5,5,5-pentafluoro-1-(naphthalen-2-yl)pentane-1,3-dionate ligands grafted on silica nanoparticles

Ambili Raj, D B; Biju, S; Reddy, M L P (Royal Society of Chemistry, 2009)

A novel organic-inorganic mesoporous luminescent hybrid material was designed by linking a ternary Eu(3+) complex to the functionalized hexagonal mesoporous MCM-41 with the modified beta-diketone, 4,4,5,5,5-pentafluoro-1 ...
Solvent-directed self-assembly of pi gelators to hierarchical macroporous structures and aligned fiber bundles

Santhosh Babu, S; Mahesh, S; Kartha, K K; Ajayaghosh, A (Wiley, 2009)

Morphology variation: The Boc-alanine linked OPV exhibits an unprecedented formation of periodic macroporous honeycomb structures in chloroform and aligned fiber bundles in toluene (see SEM images). This represents a unique ...
A supramolecular Cu(II) metallocyclophane probe for guanosine 5 '-monophosphate

Akhil, K N; Prakash, P N; Ramaiah, D (Royal Society of Chemistry, 2009)

We demonstrate Cu(2+) ion induced formation of a novel water soluble metallocyclophane [1 center dot CuCl(2)](2), which uniquely recognizes guanosine 5'-monophosphate through changes in emission intensity utilizing synergistic ...

Now showing items 101-120 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