Browsing 2009 by Title

Now showing items 1-20 of 184

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 ...
4,4,5,5,5-Pentafluoro-1-(9H-fluoren-2-yl)-1,3-pentanedione complex of Eu3+ with 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene oxide as a promising light-conversion molecular device

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

A novel beta-diketone ligand, 4,4,5,5,5-pentafluoro-1-(9H-fluoren-2-yl)-1,3-pentanedione (Hpffpd), which contains a polyfluorinated alkyl group, as well as a long conjugated fluorene unit, and a chelate phosphine oxide ...
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 ...
Advances in research of polysaccharides in cordyceps species

Zhong, S; Pan, H J; Fan, L F; Lv, G Y; Wu, Y Z; Binod, P; Pandey, A; Soccol, C R (Faculty of Food Technology and Biotechnology, 2009)

Cordyceps sinensis (Berk.) Sacc. is one of the well-described fungi that has been used in traditional Chinese medicine for over 700 years. Fungal mycelia contain some polysaccharides that are responsible for their biological ...
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 ...
Anisotropic self-assembly of photoluminescent oligo(p-Phenylenevinylene) derivatives in liquid crystals: An effective strategy for the macroscopic alignment of pi-gels

Hirai, Y; Santhosh Babu, S; Praveen, V K; Yasuda, T; Ajayaghosh, A; Kato, T (Wiley, 2009)

Aligned photoluminescent fibers are formed by the self assembly of an oligo(p-phenylenevinylene) derivative (OPV) in oriented liquid crystals (see figure). The aligned fibers of OPV show polarized yellow emission in the ...
Application of response surface method for studying the role of dissolved oxygen and agitation speed on gamma-linolenic acid production

Ahmed, S U; Singh, S K; Pandey, A; Kanjilal, S; Prasad, R B N (Springer, 2009)

To study the effect of agitation speed (rpm) and dissolved oxygen concentration (DO) on the production of gamma linolenic acid by Mucor sp. RRL001, a central composite design experiment was performed in a 5-L stirred tank ...
Aromatic expanded isophlorins: Stable 30 pi annulene analogues with diverse structural features

Reddy, J S; Anand, V G (American Chemical Society, 2009)

Synthesis and structural diversity of novel aromatic expanded isophlorins are described. Expanded isophlorins are higher analogues of 20 pi isophlorin; 30 pi isophlorins are the simplest examples of expanded isophlorins. ...
Biochemical characterization of raw-starch-digesting alpha amylase purified from bacillus amyloliquefaciens

Dhanya, G; Nampoothiri, K M; Swetha, S; Pandey, A (Humana Press, 2009)

Alpha amylase (E.C. 3.2.1.1) of Bacillus amyloliquefaciens produced by submerged fermentation was purified to near homogeneity by ion exchange chromatography. Through the process 38.6-fold increase in purity with a specific ...
Biosynthesis of Silver Nanoparticles using Aqueous Extract from the Compactin Producing Fungal Strain

Shaligram, N S; Bule, M; Bhambure, R; Singhal, R S; Singh, S K; Szakacs, G; Pandey, A (Elsevier, 2009-08)

In the present study, an eco-friendly process for the synthesis of nanomaterials using a fungus, Penicillium brevicompactum WA 2315 has been attempted. The fungus has been previously utilized for compactin production. ...
Carboxylic-functionalized water soluble pi-conjugated polymer: Highly selective and efficient chemosensor for Mercury(II) ions

Balamurugan, A; Reddy, M L P; Jayakannan, M (Wiley, 2009)

Here, we report a new carboxylic-functionalized water soluble pi-conjugated polymer for selective detection of highly toxic Hg(2+) in neutral pH condition. carboxylic-functionalized thiophene containing oligophenylenevinylene ...
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 ...
CeO2–La0.5Sr0.5CoO3−δ Composites for Giant Permittivity Applications

Anjana, P S; Sumesh, G; Sebastian, M T (IOP Publishing, 2009)

CeO2–La0.5Sr0.5CoO3−δ (LSCO) composites with different LSCO loadings were prepared by the conventional solid-state ceramic route. X-ray diffraction and scanning electron microscopy results show that the composite is a ...
Characterization of Cytotoxicity Induced by Arsenic Trioxide (A Potent Anti-APL Drug) in Rat Cardiac Myocytes

Raghu, K G; Cherian, O L (Elsevier, 2009)

Arsenic, a known environmental toxicant, is ubiquitously present in the environment. Arsenic trioxide (ATO), an anti-acute promyelocytic leukemia (APL) drug, is associated with cardiac toxicity. It is reported to induce ...
Characterization of ilmenite from Kerala coastline, India:Implications in the production of synthetic rutile

Sundararajan, M; Bhat, H K; Velusamy, S; Babu, N; Janaki, M E K; Sasibhooshanan, S; Mohan Das, P N (JMMCE, 2009)

Surface samples have been collected from Kerala coast, Chavakad - Ponnani (CP- central sector), Neendakara – Kayamkulam (NK- southern sector) beach sectors for ilmenite characterization studies. The TiO2 percentage in ...
Characterization studies on Ilmenite of ullal and suratkal along Karnataka coastline, west coast of India

Sundararajan, M; Bhat, H K; Babu, N; Janaki, M E K; Mohan Das, P N (JMMCE, 2009)

Granulometric and heavy mineral investigations of sediments along the coastal region from Ullal beach to Suratkal beaches along western coast of Karnataka were undertaken systematically. Texturally the beach sediments were ...
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 ...
Compactin production studies using penicillium brevicompactum under solid-state fermentation conditions

Shaligram, N S; Singh, S K; Singhal, R S; Pandey, A; Szakacs, G (Humana Press, 2009)

In the present study, compactin production by Penicillium brevicompactum WA 2315 was optimized using solid-state fermentation. The initial one factor at a time approach resulted in improved compactin production of 905 mu ...
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 ...
Comparing ultraviolet and chemical reduction techniques for enhancing photocatalytic activity of silver oxide/silver deposited nanocrystalline anatase titania

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

Silver oxide/silver have been deposited, with varying silver concentration (0.01-10 mol %), on the surface of sol-gel derived nanocrystal line anatase titania using two different techniques, namely the ultraviolet reduction ...

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