2013: Recent submissions

Now showing items 21-40 of 159

Autotandem Aromatization−Dearomatization Pathways for PNP-Ru" Catalyzed Formation of Imine and Hydrogen from Alcohol and Amine

Sandhya, K S; Suresh, C H (Elsevier, 2013-05-08)

catalytic reactions involving EtNH2 and EtOH promoted by the complex (PNP)Ru(CO)H (1) has been investigated at the TPSS level of DFT (PNP = C5H3N(CH2PtBu2)(CHPtBu2), C5H3N- (CH2PisoPr2)(CHPisoPr2)). The reaction is ...
APOPTOSIS MEDIATED CYTOTOXICITY INDUCED BY ISODEOXYELEPHANTOPIN ON NASOPHARYNGEAL CARCINOMA CELLS

FARHA, A K; GEETHA, B S; MANGALAM NAIR, S; DHANYA, S R; LATHA, P G; REMANI, P (2013-10-22)

Isodeoxyelephantopin (IDOE), a sesquiterpene lactone isolated from chloroform extract of Elephantopus scaber has been shown anticancer effects in various cancer cell lines. In the present study, we investigated the cytotoxic ...
Optical Investigation of Self-Aggregation of a Tetrazole-Substituted Diphenylacetylene Derivative: Steady and Excited State Dynamics in Solid and Solution State

Karunakaran, Venugopal; Deepak, D P; Suresh Das (ACS publication, 2013-04-11)

Slow crystallization and fast precipitation of a tetrazole-substituted diphenylacetylene derivative (MPT) led to formation of solids with significantly different photoluminescence efficiencies of 0.06 and 0.33, respectively. ...
Effect of micro-and nano-fillers on the properties of silicone rubber-alumina flexible microwave substrate

Namitha, L.K.; Chameswary, J; Ananthakumar, S; Sebastiann, M.T. (Elsevier, 2013-02-26)

Silicone rubbercompositesfilledwithmicro-andnano-aluminawerepreparedandtheeffectoffillercontentsonthemicrowave dielectric, mechanical,thermalandmoistureabsorptionpropertieswereinvestigated.Thecompositewith0.45volumefraction(Vf) ...
Lanthanume-strontium copper silicates as intense blue inorganic pigments with high near-infrared reflectance

Sheethu, Jose; Reddy, Mundlapudi Lakshmipathi (Elsevier, 2011-04-11)

Novel non-toxic intense blue near-infrared reflecting inorganic pigments having the general formula Sr1exLaxCu1eyLiySi4O10 (x ¼ y ranges from 0 to 0.5) were developed as viable alternatives to existing toxic cobalt based ...
Resonance Enhancement via Imidazole Substitution Predicts New Cation Receptors

Suresh, H. Cherumuttathu; Fareed Bhasha, Sayyed (American Chemical Society, 2013-09-12)

Design and development of cation receptors represent a fascinating area of research, particularly in dealing with chemical and biological applications that require finetuning of cation−π interactions. The electronic ...
Effect of Pb Addition on the Discontinuous and Continuous Mg17Al12-b Precipitate During Solidification of AZ91 Magnesium Alloy

Arun, Boby; Pillai, U.T.S; Pai, B.C (Springer, 2013-01-16)

The purpose of this study is to investigate the effect of varying Pb additions on the precipitation sequence of the as-cast and aged AZ91 alloy. The amount of discontinuous precipitate gets reduced by increasing the ...
Bulk ZnO nanorod assemblies fabricated by spin coating of organo-precursor gels on CuO nanowires

KASIMAYAN, UMA; ANANDAKUMAR, SOLIAPPAN; VISWANATH MANGALARAJA, R; TETSUO, SOGA; TAKASHI, JIMBO (VERSITA, 2013)

Bulk ZnO nanorod assemblies have been successfully fabricated on CuO nanowires through spin coating of organoprecursor gels. A thin film of CuO nanowires was first generated by direct heating of a metallic Cu-foil at 500 ...
Grain size analysis and characterization of sedimentary environment along Thiruchendur coast, Tamilnadu, India

Rajganapathi, V.C; Jitheshkumar, N; Sundararajan, M; Bhat, K H; Velusamy, S (Springer, 2012-11)

Thiruchendur coast of southern Tamilnadu, India has been studied for grain-size spectrum and textural parameters namely mean, sorting, skewness and kurtosis. The grainsize spectrum shows a marked variation in the berm, ...
Arsenic Trioxide Toxicity in H9c2 Myoblasts—Damage to Cell Organelles and Possible Amelioration with Boerhavia diffusa

Vineetha, V.P; Prathapan, A; Soumya, R.S; Raghu, K.G (Springer Science+Business Media, 2012-11-19)

Arsenic trioxide (ATO) has been long used as a chemotherapeutic agent because of its significant anticancer property. Unfortunately, the use of ATO is limited due to its cardiotoxic effects. The present study evaluates ...
Luminescent and conductive supramolecular polymers obtained from an N-annulated perylenedicarboxamide

Fatima Garcıa; Julia Buendı; Samrat Ghosh; Ajayaghosh, Ayyappanpillai; Luis Sa´nchez (The Royal Society of Chemistry, 2013-08-14)

The tunable luminescent features alongwith the electrical conductivity (B2 10 4 S m 1) exhibited by the gel fibers formed through supramolecular polymerisation of the N-annulated perylenedicarboxamide based p-gelator ...
Effect of Precursor Particle Size Distribution on the Morphology and Low Wetting Behavior of Photocatalytic Nanocoatings on Glass Surfaces

Smitha, V S; Francois, P; Hareesh, U S; Warrier, K G (Royal Society of Chemistry, 2013)

The effect of particle size distribution of coating precursor on the morphology and low wetting character of photocatalytic nanocoatings is investigated in the present work. TiO2–SiO2–Al2O3 nanocomposite coatings containing ...
Novel Multifunctional Titania-Silica-Lanthanum Phosphate Nanocomposite Coatings Through an All Aqueous Sol-gel Process

Smitha, V S; Jyothi, C K; Peer Mohamed, A; Pillai, S; Warrier, K G (Royal Society of Chemistry, 2013-04-07)

A novel nanocomposite coating containing titania, silica and lanthanum phosphate prepared through an all aqueous sol–gel route exhibits excellent self-cleaning ability arising from the synergistic effect of the constituents ...
Optimization of Triplet Excited State and Singlet Oxygen Quantum Yields of Picolylamine−Porphyrin Conjugates through Zinc Insertion

Betsy Marydasan; Akhil K. Nair; Ramaiah, Danaboyina (American Chemical Society, 2013-09-24)

ABSTRACT: We synthesized a new class of picolylamine−porphyrin conjugates 1− 3 and have investigated the effect of heavy atom insertion on their intersystem crossing efficiency through spin−orbit perturbations. By ...
Efficient Reaction Based Colorimetric Probe for Sensitive Detection, Quantification, and On-Site Analysis of Nitrite Ions in Natural Water Resources

Nagappanpillai Adarsh; Madhesh Shanmugasundaram; Ramaiah, Danaboyina (American Chemical Society, 2013-10-17)

We have developed a novel aza-BODIPY probe for the sensitive colorimetric detection of the nitrite ions in the aqueous medium by a simple and direct method. This probe selectively recognizes the nitrite ions through a ...
Kinetics of chlorite dismutase in a perchlorate degrading reactor sludge

Anupama Vijaya Nadaraja; Prajeesh Gangadharan Puthiya Veetil; Athira Vidyadharan; Krishnakumar, Bhaskaran (Taylor & Francis, 2013-02-22)

Kinetics of chlorite dismutase (CD), the terminal enzyme involved in the perchlorate (ClO4 − ) reduction pathway, in a ClO4 −-degrading bioreactor are reported in this study. Enzyme activity was determined from dissolved ...
Palladium/Lewis acid mediated domino reaction of pentafulvene derived diazabicyclic olefins: efficient access to spiropentacyclic motif with an indoline and pyrazolidine fused to cyclopentene

Sarath Chand, S; Jijy, E; Praveen, P; Szymoniak, J; Preethanuj, P; Dhanya, B P; Radhakrishnan, K V (American Chemical Society, 2013)

A palladium/Lewis acid mediated stepwise and one-pot transformation of pentafulvene derived diazabicyclic olefins is described. The reaction offers a facile strategy for the synthesis of novel spiropentacyclic motifs with ...
Pentose-rich hydrolysate from acid pretreated rice straw as a carbon source for the production of poly-3-hydroxybutyrate

Sindhu, R; Silviya, N; Binod, P; Pandey, A (Elsevier, 2013)

The aim of this work was to evaluate three different bacterial strains for their ability to accumulate poly-3-hydroxybutyrate (PHB) using pentose sugar rich hydrolysate generated from acid pretreated rice straw as the ...
Novel multifunctional titania-silica-lanthanum phosphate nanocomposite coatings through an all aqueous sol-gel process

Smitha, V S; Jyothi, C K; Peer Mohamed, A; Saju Pillai; Warrier, K G K (Royal Society of Chemistry, 2013-04)

A novel nanocomposite coating containing titania, silica and lanthanum phosphate prepared through an all aqueous sol-gel route exhibits excellent self-cleaning ability arising from the synergistic effect of the constituents ...
Autotandem aromatization-dearomatization pathways for PNP-Ru-II-catalyzed formation of Imine and hydrogen from alcohol and amine

Sandhya, K S; Suresh, C H (American Chemical Society, 2013-05-27)

Mechanism of autotandem catalytic reactions involving EtNH2 and EtOH promoted by the complex (PNP)Ru(CO)H (1) has been investigated at the TPSS level of DFT (PNP = C3H3N((CH2PBu2)-Bu-t)((CHPBu2)-Bu-t), C5H3N-((CH2PPr2)-P ...

Now showing items 21-40 of 159

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