2012: Recent submissions

Now showing items 141-160 of 169

Effect of enzyme assisted extraction on quality and yield of volatile oil from black pepper and cardamom

Janu, Chandran; Padmakumari Amma, K P; Nirmala Menon, A; Jayamurthy, P; Nisha, P (Springer, 2012)

The present study investigated the effect of enzyme pre-treatment on extraction of active compounds from spices, namely, black pepper and cardamom. A mixture of enzymes, namely, Lumicellulae (a mixture of cellulase, ...
Synthesis, structuralanalysisanddielectricproperties of Ba8(Mg1 xZnx)Nb6O24 hexagonal perovskites

Sam Solomon; Suresh, M K; Thomas, J K; Prasad, V S; Wariar, P R S (Elsevier, 2012-12)

Ba8(Mg1 xZnx)Nb6O24 (x¼0, 0.2,0.4,0.6,0.8and1)ceramics were prepared through the conventional solid-stateroute.The materials were calcinedat1250 1C and sinteredat1375–1425 1C. The structure of the system was analyzed using ...
Corynebacterium glutamicum as a potent biocatalyst for the bioconversion of pentose sugars to value-added products

Vipin Gopinath; Anusree, M; Dhar, K S; Nampoothiri, K M (Springer, 2012)

Corynebacterium glutamicum, the industrial microbe traditionally used for the production of amino acids,proved its value for the fermentative production of diverse products through genetic/metabolic engineering. A successful ...
1,2-Benzoquinones in diels alder reactions, dipolar cycloadditions, nucleophilic additions, multicomponent reactions and more

Vijay Nair, G; Rajeev S Menon; Biju, A T; Abhilash, G (RSC Publishing, 2012)

A brief account of the recent developments in the chemistry of 1,2-benzoquinones is presented in this tutorial review. The title compounds exhibit commendable versatility in both Diels–Alder and dipolar cycloaddition ...
Mesoporous organic–inorganic hybrid aerogels through ultrasonic assisted sol–gel intercalation of silica–PEG in bentonite for effective removal of dyes, volatile organic pollutants and petroleum products from aqueous solution

Suchithra, P S; Linsha, V; Peer Mohamed, A; Ananthakumar, S (Elsevier, 2012)

Hybrid mesoporous materials with high surface area (1144 m2/g) and enhanced thermal stability were achieved through ultrasonication assisted sol–gel intercalation technique using bentonite clay and PEG grafted sol gel ...
Synthesis, characterization and catalytic applications of palladium nanoparticle-cored dendrimers stabilized by metal–carbon bonds

Ratheesh Kumar, V K; Sreedevi, K; Gopidas, K R (Wiley, 2012-06)

The synthesis and characterization of four generations of palladium nanoparticle-cored Fréchet-type dendrimers (Pd-Gn)possessing direct palladium–carbon bonds are reported. These core–shell materials have been synthesized ...
Enhancement of bending strain tolerance and current carrying property of MgB2 based multifilamentary wires

Syju Thomas; Neson Varghese; Rahul, S; Devadas, K M; Vinod, K; Syamaprasad, U (Elsevier, 2012)

The effect of bending strain on current carrying capacity of MgB2 multifilamentary wires was studied with 4, 8 and 16 multifilamentary wires. The critical current density (JC) of straight wires and bent wires with 5, 10, ...
A facile synthetic strategy for Mg–Al layered double hydroxide material as nanocarrier for methotrexate

Chakraborty, M; Dasgupta, S; Sengupta, S; Chakraborty, J; Ghosh, S K; Ghosh, J; Mitra, M K; Mishra, A; Mandal, T K; Basu, D (Elsevier, 2012-03)

Mg–Al layered double hydroxide nanopowders were synthesised by a facile coprecipitation technique at different pH conditions. LDH nanoparticles of higher aspect ratio with an average particle size of 26 nm were obtained ...
Synthesis of metal intercalated clay catalysts for selective hydrogenation reactions

Manikandan, D; Mangalaraja, R V; Ananthakumar, S; Sivakumar, T (Springer, 2012-10)

Interlamellar space of the smectite clay minerals have been found as an excellent nano phase reac tor due to their easy swelling property and the adsorption capacity. In this work size quantized nano particles of catalytically ...
Degradation of triclosan under aerobic, anoxic, and anaerobic conditions

Prajeesh, P V G; Anupama, V N; Arya Bhasi; Sudheer, K; Krishnakumar, B (Springer, 2012-07)

Triclosan (2, 4, 4′-trichloro-2′-hydroxyl diphenyl ether) is a broad-spectrum antimicrobial agent present in a number of house hold consumables. Aerobic and anaerobic enrichment cultures tolerating triclosan were developed ...
Recombinant expression and characterization of L-Asparaginase II from a moderately thermotolerant bacterial isolate

Vidya, J; Pandey, A (Springer, 2012-07)

A moderately thermotolerant bacterium belonging to Enterobacteriaceae, which can grow at 44.5 °C, was isolated from cow dung; L-asparaginase II gene was isolated by PCR, cloned, and expressed in pET 20b with pelB leader ...
Co-Culture of microalgae, cyanobacteria, and macromycetes for exopolysaccharides production: Process preliminary optimization and partial characterization

Angelis, S; Novak, A C; Sydney, E B; Soccol, V T; Carvalho, J C; Pandey, A; Noseda, M D; Tholozan, J L; Lorquin, J; Soccol, C R (Springer, 2012-07)

In this study, the biomass and exopolysaccharides (EPS) production in co-cultures of microalgae/cyanobacteria and macromycetes was evaluated as a technology for producing new polysaccharides for medical and/or industrial ...
Production of potential vaccine against dermatobia hominis for cattle

Fernandes, N L M; Zanata, S M; Ronnau, M; Soccol, C R; Pandey, A; Soccol, V T (Springer, 2012-06)

The present study aimed to detect and characterize antigenic proteins and to assess their activity as preventive vaccines against dermatobiosis. Polyclonal antibodies were produced against three larval instars (L1, L2, ...
Newly isolated lactic acid bacteria with probiotic features for potential application in food industry

Divya, J B; Varsha, K K; Nampoothiri, K M (Springer, 2012-07)

Five newly isolated lactic acid bacteria were identified as Weissella cibaria, Enterococcus faecium, and three different strains of Lactobacillus plantarum by 16S rRNA sequencing. Essential probiotic requirements of these ...
Surfactant-Assisted acid pretreatment of sugarcane tops for bioethanol production

Sindhu, R; Kuttiraja, M; Binod, P; Preeti, V E; Sandhya, S V; Vani, S; Rajeev K Sukumaran; Pandey, A (Springer, 2012-07)

Sugarcane tops is one of the largest biomass resources in India and in tropical countries such as Brazil in terms of surplus availability. Conversion of this feedstock to ethanol requires pretreatment to make it more ...
Bioactives of microbes isolated from western ghat belt of Kerala show β-Lactamase inhibition along with wide spectrum antimicrobial activity

Sowmya, P M; Sita, R; Sumi, J M; Gayathri, S; Sai Shyam, N; Hemaraj, N; Nampoothiri, K M (Springer, 2012-07)

The present study describes the exploitation of microbial biodiversity from Western Ghats of Kerala for screening of bioactives having β-lactamase inhibitory activities.A total of 700 pure cultures were isolated and were ...
Energy requirement for alkali assisted microwave and high pressure reactor pretreatments of cotton plant residue and its hydrolysis for fermentable sugar production for biofuel application

Vani, S; Binod, P; Kuttiraja, M; Sandhya, S V; Preeti, V E; Rajeev K Sukumaran; Pandey, A (Elsevier, 2012-05)

In the present work, alkali assisted microwave pretreatment (AAMP) of cotton plant residue (CPR) with high pressure reactor pretreatment was compared. Further, modeling of AAMP was attempted. AAMP, followed by enzymatic ...
Single-step purification and immobilization of MBP–phytase fusion on starch agar beads: Application in dephytination of soy milk

Ushasree, M V; Gunasekaran, P; Pandey, A (Springer, 2012-07)

Periplasmic phytase, appA from E. coli has been noticed as a superior feed and food additive owing to its high specific activity, acidic pH optimum and resistance to gastric proteases.E. coli phytase was expressed as a ...
Characterization of laccase isoforms produced by pleurotus ostreatus in solid state fermentation of sugarcane bagasse

Karp, S G; Faraco, V; Amore, A; Birolo, L; Giangrande, C; Soccol, V T; Pandey, A; Soccol, C R (Elsevier, 2012-06)

Laccases are oxidative enzymes linked to biological degradation of lignin.The aim of this work was to evaluate the effect of inducers and different concentrations of nitrogen on production level of total laccase activity ...
Preparation of poly(L-lactide) blends and biodegradation by lentzea waywayandensis

Nimisha R Nair; Nampoothiri, K M; Pandey, A (Springer, 2012)

As a biodegradable polyester, polylactide (PLA) has applications as a packaging material, in biomedical fields and tissue engineering. With the dual aim of improving its properties and biodegradability, PLA was blended ...

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