2008: Recent submissions

Now showing items 141-160 of 172

Simultaneous estimation of phenolic acids in sea buckthorn (Hippophae rhamnoides) using RP-HPLC with DAD

Ranjith, A; Sarin Kumar, K; Arumughan, C (Elsevier, 2008)

A RP-HPLC-DAD method was developed and validated for the simultaneous analysis of nine phenolic acids including gallic acid, protocatechuic acid, p-hydroxybenzoic acid, vanillic acid, salicylic acid, p-coumaric acid, ...
Potentiometric transducer based biomimetic sensors for priority envirotoxic markers - An overview

Prasada Rao, T; Kala, R (Elsevier, 2008)

Most of the potentiometric sensing electrodes offer detection limits of the order of similar to 1 mu mol L-1 rarely stretching down to 0.1 mu mol L-1. Recent advances have made it possible to bring these levels down to ...
Effect of inducers and process parameters on laccase production by Streptomyces psammoticus and its application in dye decolourization

Niladevi, K N; Prema, P (Elsevier, 2008)

The process parameters influencing the production of extracellular laccases by Streptomyces psammoticus MTCC 7334 were optimized in submerged fermentation. Coffee pulp and yeast extract were the best substrate and nitrogen ...
Purification and partial characterization of polygalacturonase from Streptomyces lydicus

Nicemol Jacob; Asha Poorna, C; Prema, P (Elsevier, 2008)

Polygalacturonase produced by Streptomyces lydicus was purified to homogeneity by ultrafiltration and a combination of ion exchange and gel filtration chromatographic procedures. The purified enzyme was an exo-polygalacturonase ...
Response surface methodology for the optimization of alpha amylase production by Bacillus amyloliquefaciens

Dhanya, G; Swetha, S; Nampoothiri, K M; Rajeev K Sukumaran; Pandey, A (Elsevier, 2008)

The aim of this work was to optimize the cultural and production parameters through the statistical approach for the synthesis of alpha amylase by Bacillus amyloliquefaciens in submerged fermentation (SmF) using a combination ...
pi-Conjugated macrocycles from thiophenes and benzenes

Reddy, J S; Anand, V G (Royal Society of Chemistry, 2008)

pi-Conjugated macrocycles consisting of thiophenes and benzenes exhibit benzenoid features for 4n pi macrocycles, whereas (4n + 2)pi macrocycles are annulenoid due to rapid interconversion between quinoid and Kekule canonical ...
Production of bio-ethanol from soybean molasses by Saccharomyces cerevisiae at laboratory, pilot and industrial scales

Siqueira, P F; Karp, S G; Carvalho, J C; Sturm, W; Rodriguez-Leon, J A; Tholozan, Jean- Luc; Singhania, R R; Pandey, A; Soccol, C R (Elsevier, 2008)

The aim of this work was to develop an economical bioprocess to produce the bio-ethanol from soybean molasses at laboratory, pilot and industrial scales. A strain of Saccharomyces cerevisiae (LPB-SC) was selected and ...
Physicochemical rheological and thermal properties of njavara rice (Oryza sativa) starch

Simi, C K; Emilia Abraham, T (American Chemical Society, 2008)

Njavara rice starch was studied for its morphological, physicochemical, and thermal properties and was found to be different from the native chamba variety of rice. Njavara rice starch has bigger granule and has a high (85 ...
2-Thiopheneacetato-based one-dimensional coordination polymer of Tb3+: Enhancement of terbium-centered luminescence in the presence of bidentate nitrogen donor ligands

Shyni, R; Reddy, M L P; Cowley, A H; Findlater, M (Wiley, 2008)

Four new lanthanide(III) complexes of 2-thiopheneacetic acid (HTPAC), [Tb(TPAC)(3)center dot H2O](n) (1), [Gd(TPAC)(3)center dot H2O](n) (2), [Tb(TPAC)(3)(phen)](2) (3) and [Tb(TPAC)(3)(bath)](2) (4) (phen = 1,10-phenanthroline; ...
Effect of filler content on the dielectric properties of PTFE/ZnAl2O4-TiO2 composites

Sherin Thomas; Deepu, V N; Mohanan, P; Sebastian, M T (Wiley, 2008)

ZnAl2O4-TiO2 (ZAT)/polytetrafluoroethylene (PTFE) composites were prepared by powder processing method. The structure and microstructure of the composites were analyzed using X-ray diffraction and scanning electron microscopic ...
A facile and efficient synthesis of highly functionalised 3,3 '-dispiropyrrolidine- and 3,3 '-dispiropyrrolizidine bisoxindoles via [3+2] cycloaddition

Shanmugam, P; Baby Viswambharan; Selvakumar, K; Suchithra, M (Elsevier, 2008)

The [3+2] cycloaddition reaction of azomethine ylides with isomerised Morita-Baylis-Hillman adducts, both dipoles and dipolarophiles are derived from isatin, afforded highly functionalised 3,3'-dispiro pyrrolidine- and ...
Compactin production in solid-state fermentation using orthogonal array method by P. brevicompactum

Shaligram, N S; Singh, S K; Singhal, R S; Szakacs, G; Pandey, A (Elsevier, 2008)

In the present study, compactin production by Penicillium brevicompactum WA 2315 was studied using solid-state fermentation. Initially, various agro-industrial residues were screened as a support and carbon source. The ...
Selection and optimization of bacillus atrophaeus inoculum medium and its effect on spore yield and thermal resistance

Sella, S R B R; Dlugokenski, R E F; Guizelini, B P; Vandenberghe, L P S; Medeiros, A B P; Pandey, A; Soccol, C R (Springer, 2008)

Bacillus atrophaeus's spores are used as biological indicators to monitor sterilization processes and as a Bacillus anthracis surrogate in the development and validation of biosafety methods. The regular use of biological ...
Highly enhanced superconducting properties of Eu-doped (Bi,Pb)-2212

Sarun, P M; Vinu, S; Shabna, R; Biju, A; Syamaprasad, U (Elsevier, 2008)

The structural and superconducting properties of Eu-doped (Bi,Pb)-2212 superconductor have been studied. Eu concentration is varied from x=0.0 to 0.4 in a general stoichiometry of Bi1.6Pb0.5Sr2-xEuxCa1.1Cu2.1Oy. It is found ...
Metabolite signature of developmental foregut cyst on in vivo and in vitro 1 H MR spectroscopy

Santhosh, K; Bejoy Thomas; Luxmi Varma, R; Sandhyamany, S; Kesavadas, C; Appukuttan, P S; Srinivas, G; Gupta, A K; Kapilamoorthy, T R; Unnikrishnan, M (Wiley, 2008)

Foregut duplication cysts are developmental anomalies of the bronchopulmonary foregut and are common cystic lesions of the mediastinum. We describe a case of mediastinal foregut duplication cyst with in vivo H-1 MR ...
Effect of bismuth borate/LiF on the sintering, thermal, and microwave dielectric properties of Ba(6-3x)Sm(8+2x)Ti(18)O(54) (x=2/3) solid solution

Santha, N I (Wiley, 2008)

Ba(6-3x)Sm(8+2x)Ti(18)O(54) (x=2/3) (BST) was prepared by the solid-state method and the effect of bismuth borate (BB)/LiF on the sinterability, microstructure, and thermal and microwave dielectric properties were studied. ...
Stability and catalytic properties of encapsulated subtilisin in xerogels of alkoxisilanes

Sangeetha, K; Morris, V B; Emilia Abraham, T (Elsevier, 2008)

Subtilisin was encapsulated in glass sol-gel matrices using alkoxysilane precursors of different chain lengths. The entrapment efficiency of the sol-gel glass was about 80%. The resultant glass enzyme had the same optimum ...
Strain improvement of Lactobacillus delbrueckii using nitrous acid mutation for L-lactic acid production

Rojan P John; Nampoothiri, K M (Springer, 2008)

Insertional mutagenesis is impractical in the mechanisms for protection against low ph, high solute concentration etc. Due to the involvement of large number of loci and multiple genes. An attempt was made to improve ...
Liquid phase photooxidation of toluene in the presence of transition metal oxide doped titania

Riyas, S; Krishnan, G; Mohan Das, P N (Soc Brasileira Quimica, 2008)

Toluene is a very noxious organic compound used for the preparation of many compounds. Liquid phase photo-oxidation of toluene was carried out using poly crystalline samples of transition metal oxide doped TiO2 containing ...
Equal channel angular pressing of Al-5 wt% TiB2 in situ composite

Ravi, K R; Saravanan, M; Pillai, R M; Mandal, A; Murty, B S; Chakraborty, M; Pai, B C (Elsevier, 2008)

Equal channel angular pressing (ECAP) of in situ Al-5 wt% TiB2 composite was successfully carried out at room temperature up to four passes. Large particle free zones of about 50-100 mu m size present in as cast condition ...

Now showing items 141-160 of 172

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