2014: Recent submissions

Now showing items 201-220 of 236

India’s declining share in computational mechanics research

Gangan Prathap (Indian Academy of Sciences, 2014)

Modern science began with Galileo’s discourses on two new sciences, namely kinematics and materials science. Over five centuries, the discipline of mechanics which emerged from such studies has played a leading role in ...
The world of research according to Science and Engineering indicators 2014

Gangan Prathap (Indian Academy of Sciences, 2014)

Fresh scientometric and economic data have just come in from the 2014 report of Science and Engineering Indicators. China and India continue to rise, while the West is seen to slow down.
Esterase active in polar organic solvents from the yeast Pseudozyma sp. NII 08165

Deepthy Alex; Anju, S; Pandey, A; Rajeev K Sukumaran (Hindawi Publishing Corporation, 2014)

Esterases/lipases active in water miscible solvents are highly desired in biocatalysis where substrate solubility is limited and also when the solvent is desired as an acyl acceptor in transesterification reactions, as ...
Titanium-catalyzed hydroalumination of conjugated dienes: Access to fulvene-derived allylaluminium reagents and their diastereoselective reactions with carbonyl compounds

Jomy Joseph; Jaroschik, F; Harakat, D; Radhakrishnan, K V; Vasse, J-L; Szymoniak, J (Wiley, 2014)

The described titanium-catalyzed hydroalumination of conjugated dienes opens up a new way to allylaluminium reagents. The reaction is carried out by using diisobutylaluminium hydride (DIBAL-H) and a catalytic amount ...
The myth of frugal innovation in India

Gangan Prathap (Indian Academy of Sciences, 2014)

We examine the evidence from large bibliometric databases to see if India is on the way to be able to 'market its distinctive expertise in frugal innovation to the world' and to 'establish a research programme on "science ...
Experimental and numerical analysis of hot tearing susceptibility for Mg-Y alloys

Wang, Z; Huang, Y D; Srinivasan, A; Liu, Z; Beckmann, F; Kainer, K U; Hort, N (Springer, 2014)

The influences of Y content and initial mold temperatures on the hot tearing susceptibility (HTS) of binary Mg-Y alloys were investigated using a constrained rod casting (CRC) apparatus, which is equipped with a load cell ...
Control of spoilage fungi by protective lactic acid bacteria displaying probiotic properties

Varsha, K K; Priya, S; Leena, D; Nampoothiri, K M (Springer, 2014)

Thirty-six lactic acid bacteria belong to Lactococcus, Lactobacillus, Enterococcus, and Pediococcus were isolated, and the spectrum of antifungal activity was verified against Fusarium oxysporum (KACC 42109), Aspergillus ...
Cooperativity and cluster growth patterns in acetonitrile: A DFT study

Remya, K; Suresh, C H (Wiley Periodicals, 2014)

Cooperativity in intermolecular interactions and cluster growth patterns of acetonitrile has been studied using M06L density functional theory. Cyclic, ladder-type, stacked, cross-stacked, and mixed patterns are studied. ...
A mini library of novel triazolothiadiazepinylindole analogues: Synthesis, antioxidant and antimicrobial evaluations

Biradar, J S; Rajesab, P; Biradar, N J; Sasidhar, B S (Hindawi Publishing Corporation, 2014)

A new series of novel triazolothiadiazepinylindole analogues were synthesized with an aim to examine possible antioxidant and antimicrobial activities. The titled compounds (3a-z) were obtained in good yield by reacting ...
Microwave assisted synthesis of novel imidazolopyridinyl indoles as potent antioxidant and antimicrobial agents

Biradar, J S; Rajesab, P; Sasidhar, B S (Hindawi Publishing Corporation, 2014)

We describe herein the design, synthesis, and pharmacological evaluation of novel series of imidazolopyridinyl indole analogues as potent antioxidants and antimicrobials. These novel compounds (3a-i) were synthesized by ...
Design and synthesis of novel thiopheno-4-thiazolidinylindoles as potent antioxidant and antimicrobial agents

Biradar, J S; Rajesab, P; Sasidhar, B S (De Gruyter Open Ltd/ Springer, 2014)

A novel and convenient synthesis of thiopheno-4-thiazolidinyl indole analogues is presented (IVa-IVi), with the aim of obtaining biologically active compounds. 3,5-disubstituted indol-2-carboxyhydrazides (Ia-If) were allowed ...
Synthesis of novel zerumbone derivatives via regioselective palladium catalyzed decarboxylative coupling reaction: a new class of alpha-glucosidase inhibitors

Ajish, K R; Dhanya, B P; Nayana Joseph; Priya Rani, M; Raghu, K G; Vineetha, V P; Radhakrishnan, K V (Elsevier Science, 2014)

A new strategy for the synthesis of novel zerumbone derivatives via a regioselective palladium catalyzed decarboxylative coupling reaction using arene carboxylic acids is described. The current methodology involves the ...
Electrochemical synthesis of a gold atomic cluster-chitosan nanocomposite film modified gold electrode for ultra-trace determination of mercury

Aneesh, P K; Sindhu, R N; Prasada Rao, T; Ajayaghosh, A (Royal Society of Chemistry, 2014)

Gold atomic cluster based nanocomposites are important in the field of energy and sensing applications due to their interesting optical, electronic, chemical and catalytic properties. In the present study a chitosan ...
A phosphine-mediated reaction of cyclic 1,2-diones and 3-alkyl allenoates: an efficient protocol for benzannulation applicable to the synthesis of polycyclic aromatic hydrocarbons

Anu Jose; Jayakrishnan, A J; Vedhanarayanan, B; Rajeev S Menon; Sunil Varughese; Suresh, E; Vijay Nair, G (Royal Society of Chemistry, 2014)

A facile one-pot benzannulation strategy involving phosphine-3-alkyl allenoate zwitterions and cyclic 1,2-diones is described. The strategy is effectively utilized in the synthesis of fluoranthenes and benzo[a]aceanthrylenes ...
Narrow-rim functionalization of calix[4]arene through Ugi-4CR: Synthesis of a series of calix[4]arene peptoids

Anupriya, S; Sreeja, T; Luxmi Varma, R (American Chemical Society, 2014)

Adaptation of Ugi-4CR for the narrow-rim modification of calix[4]arene toward the synthesis of a series of tripeptoid and tetrapeptoid calix[4] arenes is described. The metal ion/organic cation binding properties of the ...
Ruthenium catalyzed desymmetrization of diazabicyclic olefins to access heteroaryl substituted cyclopentenes through C-H activation of phenylazoles

Aparna, P S; Prabha, B; Praveen, P; Jijy, E; Luxmi Varma, R; Radhakrishnan, K V (Elsevier Science, 2014)

The first ruthenium catalyzed redox-neutral C-H activation strategy for the ring-opening of diazabicyclic olefins via C-H bond cleavage of phenyl azoles is reported. The developed method offers a novel route to functionalized ...
Supergelation via purely aromatic pi-pi driven self-assembly of pseudodiscotic oxadiazole mesogens

Aneesh, P S; Saleesh Kumar, N S; Prabhu, D D; Shinto Varghese; Krishna Prasad, S; Shankar Rao, D S; Suresh Das (American Chemical Society, 2014)

A series of highly luminescent oxadiazole-based stilbene molecules (OXD4, OXD8, OXD10, and OXD12) exhibiting interesting enantiotropic liquid crystalline and gelation properties have been synthesized and characterized. The ...
Solid state fermentation of food waste mixtures for single cell protein, aroma volatiles and fat production

Aggelopoulos, T; Katsieris, K; Bekatorou, A; Pandey, A; Banat, I M; Koutinas, A A (Elsevier, 2014)

Growth of selected microorganisms of industrial interest (Saccharomyces cerevisiae, Kluyveromyces marxianus and kefir) by solid state fermentation (SSF) of various food industry waste mixtures was studied. The fermented ...
Rationalization of the S.S. Bhatnagar Prizes scheme (Correspondence)

Gangan Prathap (Current Science Association & Indian Academy of Sciences, 2014)
Extracellular methionine Amino peptidase (MAP) production by Streptomyces gedanensis in solid-state fermentation

Raji, R; Manjunath, G; Nampoothiri, K M; Pandey, A (Instituto de Tecnologia do Paraná - Tecpar, 2014)

A bioprocess was developed for extracellular MAP production from Streptomyces gedanensis by solid-state fermentation. Response surface methodology of Box Behken Design was performed to evaluate the interaction effects of ...

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