2008: Recent submissions

Now showing items 121-140 of 172

Effect of light on growth, pigment production and culture morphology of Monascus purpureus in solid-state fermentation

Babitha, S; Carvahlo, J C; Soccol, C R; Pandey, A (Springer, 2008)

The capacity to sense and respond to light is widespread in animals, plants, fungi and bacteria. The effect of light quality on growth and pigment yield of Monascus purpureus was investigated. Incubation in total darkness ...
Evaluation of the probiotic characteristics of newly isolated lactic acid bacteria

Aswathy, R G; Bindhumol, I; Rojan P John; Nampoothiri, K M (Springer, 2008)

Lactic acid bacteria were isolated from fermented vegetables, sour dough, milk products, sheep and human excreta. The newly isolated cultures were evaluated for a number of probiotic characteristics like bile salt resistance, ...
Nonsupercritically dried silica-alumina aerogels - Effect of gelation pH

Aravind, P R; Shajesh, P; Smitha, S; Mukundan, P; Warrier, K G K (Wiley, 2008)

Silica-alumina mixed oxide aerogels, with 5, 10, 15, 20, and 25 wt% of alumina in silica, have been synthesized by a hybrid sol-gel technique followed by subcritical drying. The gelation has been carried out under pH values ...
Non-supercritically dried silica-silica composite aerogel and its possible application for confining simulated nuclear wastes

Aravind, P R; Shajesh, P; Mukundan, P; Krishna Pillai, P; Warrier, K G K (Springer, 2008)

The simpler non-supercritical drying approach has been used for the first time for the preparation of silica-silica composite aerogels (CA) and the efficiency of the process being demonstrated by testing the use of the ...
Low dielectric loss PTFE/CeO(2) ceramic composites for microwave substrate applications

Anjana, P S; Sebastian, M T; Suma, M N; Mohanan, P (Wiley, 2008)

Cerium oxide (CeO(2)) filled polytetrafluoroethylene (PTFE) composites prepared by powder processing technique for microwave substrate application is presented in this paper. The PTFE is used as the matrix and the dispersion ...
Microwave dielectric properties and low-temperature sintering of (1-x) CeO2-xBaTi(4)O(9) ceramics

Anjana, P S; Sebastian, M T (Wiley, 2008)

(1-x)CeO2-xBaTi(4)O(9) ceramics were prepared by the solid-state ceramic route. The structure and microstructure of the ceramics were studied using X-ray diffraction (XRD) and scanning electron microscope. XRD patterns ...
Statistical optimization of alpha-galactosidase production in submerged fermentation by Streptomyces griseoloalbus using response surface methodology

Anisha, G S; Rajeev K Sukumaran; Prema, P (Faculty Food Technology Biotechnology, 2008)

alpha-Galactosidase production by a novel actinomycete strain Streptomyces griseoloalbus in shake flask culture was optimized using response surface methodology. Screening of variables to find their relative effect on ...
Evaluation of alpha-galactosidase biosynthesis by Streptomyces griseoloalbus in solid-state fermentation using response surface methodology

Anisha, G S; Rajeev K Sukumaran; Prema, P (Wiley, 2008)

Aim: The present study was aimed at evaluating the effects of the three crucial factors, galactose concentration, inoculum size and moisture content, on alpha-galactosidase production by the filamentous actinobacterium ...
Reduction of non-digestible oligosaccharides in horse gram and green gram flours using crude alpha-galactosidase from Streptomyces griseoloalbus

Anisha, G S; Prema, P (Elsevier, 2008)

The effectiveness of using crude extracellular alpha-galactosidase from Streptomyces griseoloalbus for the treatment of horse gram and green gram flours was investigated by comparing with traditional treatments such as ...
Renewable resource-based poly (m-phenylenevinylene)s and their statistical copolymers: Synthesis, characterization, and probing of molecular aggregation and Forster energy transfer processes

Anish Cyriac; Amrutha, S R; Jayakannan, M (Wiley, 2008)

We report a novel poly (m-phenylenevinylene)s and their copolymers based on renewable resource starting material 3-pentadecylphenol to trace the Forster energy transfer process and molecular aggregation in the pi-conjugated ...
Hydroxyl-functionalized polyaniline nanospheres: Tracing molecular interactions at the nanosurface via vitamin C sensing

Anilkumar, P; Jayakannan, M (American Chemical Society, 2008)

Here, we report a synthesis of novel polyaniline nanospheres bearing mono- and bishydroxyl functional groups were to trace the molecular interactions at the nanosurfaces through vitamin C sensing. Two new aniline monomers ...
Enzymatic modification of cassava starch by fungal lipase

Akhila Rajan; Sudha, J D; Emilia Abraham, T (Elsevier, 2008)

Esterification of starch was carried out to expand the usefulness of starch for a myriad of industrial applications. Lipase obtained from Candida rugosa (lipase AYS) was used for starch esterification by two methods: liquid ...
Studies on crystallization and cross-linking of lipase for biocatalysis

Akhila Rajan; Emilia Abraham, T (Springer, 2008)

The development of robust biocatalysts with increased stability and activity is a major challenge to industry. A major breakthrough in this field was the development of cross-linked enzyme crystals with high specificity ...
Long-lived photoinduced charge separation in new Ru(bipyridine) (2+)(3)-phenothiazine dyads

Ajayakumar, G; Gopidas, K R (Royal Society of Chemistry, 2008)

Synthesis and photophysical properties of three Ru(bpy)(3)(2+)-Ptz (bpy = 2,2'-bipyridine and Ptz = phenothiazine) dyads, where the number of Ptz groups increased from one to three, are reported. The MLCT absorption bands ...
Functional ceramic materials database: An online resource for materials research

Scott, J D; Manos, S; Coveney, P V; Rossiny, J C H; Fearn, S; Kilner, J A; Pullar, R C; Alford, N McN; Axelsson, A-K; Zhang, Y; Chen, L; Yang, S; Evans, J R G; Sebastian, M T (American Chemical Society, 2008)

We present work on the creation of a ceramic materials database which contains data gleaned from literature data sets as well as new data obtained from combinatorial experiments on the London University Search Instrument. ...
Pyridine-catalyzed stereoselective addition of acyclic 1, 2-diones to acetylenic esters: Synthetic and theoretical studies of an unprecedented rearrangement

Abhilash, N P; Suresh, C H; Vijay Nair, G (Wiley, 2008)

A systematic study of the addition of various 1,2-acyclic diones to activated acetylenic esters catalyzed by pyridine under mild conditions is described. This reaction provides a new protocol for the stereoselective synthesis ...
Organogels as scaffolds for excitation energy transfer and light harvesting

Ajayaghosh, A; Praveen, V K; Vijayakumar, C (Royal Society of Chemistry, 2008)

The elegance and efficiency by which Nature harvests solar energy has been a source of inspiration for chemists to mimic such process with synthetic molecular and supramolecular systems. The insights gained over the years ...
Coronarin D, a labdane diterpene, inhibits both constitutive and inducible nuclear factor-kappa B pathway activation, leading to potentiation of apoptosis, inhibition of invasion, and suppression of osteoclastogenesis

Ajaikumar, B K; Ichikawa, H; Preetha Anand; Mohankumar, C J; Hema, P S; Mangalam S Nair; Aggarwal, B B (Amer Assoc Cancer Research, 2008)

Compounds isolated from members of the Zingiberaceae family are traditionally used as a medicine against inflammatory diseases, but little is known about the mechanism. Here, we report the isolation and structural ...
Oxidation of cinnamic acid derivatives: A pulse radiolysis and theoretical study

Yadav, P; Mohan, H; Maity, D K; Suresh, C H; Rao, B S M (Elsevier, 2008)

Second order rate constants in the range of (k = 1.6-4.5) x 10(9) dm(3) mol(-1) s(-1) were obtained for the -OH induced oxidation of nitro- and methoxycinnamic acid derivatives in neutral solutions using pulse radiolysis. ...
Lipase catalyzed interesterification of palm stearin and rice bran oil blends for preparation of zero trans shortening with bioactive phytochemicals

Reshma, M V; Saritha, S S; Balachandran, C; Arumughan, C (Elsevier, 2008)

Palm stearin (PS) and rice bran oil (RBO) blends of varying proportions were subjected to enzymatic interesterification (EIE) using a 1,3 specific immobilized lipase. The interesterified blends were evaluated for their ...

Now showing items 121-140 of 172

Search DSpace

Advanced Search

Browse

All of DSpace
This Collection
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

2008: Recent submissions

Search DSpace

Browse

All of DSpace

This Collection

My Account