2013: Recent submissions

Now showing items 61-80 of 159

Preface

Pandey, A; Singh, R S (Versita, Poland/ Springer, 2013)
Effect of Ba(Zn1/3Ta2/3)O-3 and SiO2 ceramic fillers on the microwave dielectric properties of butyl rubber composites

Chameswary, J; Sebastian, M T (Springer, 2013)

Butyl rubber-Ba(Zn1/3Ta2/3)O-3 (BR-BZT) composites and butyl rubber-silica (BRS) composites were prepared by sigma mixing. The dielectric properties at 1 MHz and 5 GHz of BR-BZT and BRS composites were investigated as a ...
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 K (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 ...
Isolation and antifungal properties of cyclo(D-Tyr-L-Leu) diketopiperazine isolated from Bacillus sp. associated with rhabditid entomopathogenic nematode

Nishanth Kumar; Gorantla, J N; Mohandas, C; Bala Nambisan; Ravi S Lankalapalli (Taylor & Francis, 2013)

Bacillus sp. associated with an entomopathogenic nematode is shown to produce diketopiperazine (DKP) that showed stronger antifungal activity against Colletotrichum gloeosporioides [minimum inhibitory concentration (MIC): ...
Potential NIR reflecting yellow pigments in (BiV)(1-x)(YNb)(x)O-4 solid solutions

Sameera, S F; Prabhakar Rao, P; Sandhya Kumari, L; Vineetha, J; Divya, S (Chemical Society of Japan, 2013)

New yellow inorganic pigments, (BiV)(1-x)(YNb)(x)O-4 with high NlR reflectance were synthesized by a conventional solid-state reaction method. The effect of isovalent dopants, namely, Y3+ and Nb5+ on BiVO4 samples was ...
Benchmarking research performance of the IITs using Web of Science and Scopus bibliometric databases

Gangan Prathap (Current Science Association, 2013)

Although engineering education at the tertiary level in India is now more than 150 years old, it was only since independence that the IITs have been set up as institutions of national importance with an emphasis on ...
Photocleavable glycopolymer aggregates

Sajith Menon; Rahul, M O; Suresh Das (Royal Society of Chemistry, 2013)

We present here a water soluble diblock glycopolymer, poly(spiropyran methacrylate)-block-poly(3-O-4-vinylbenzoyl- D-glucopyranose) (PSP-b-PBG), synthesized by the conventional atom transfer radical polymerization (ATRP) ...
Extracellular proline aminopeptidase production by Streptomyces lavendulae ATCC14162 under solid-state fermentation

Arya Nandan, S; Nampoothiri, K M (NISCAIR, 2013)

This study presents extracellular Pro line aminopeptidase (PAP) production by Streptomyces lavendulae ATCC 14162 under solid state fermentation (SSF). After optimization of few significant parameters (particle size of ...
Nanofillers in ZnO based materials: a ‘smart’ technique for developing miniaturized high energy field varistors

Anas, S; Mahesh, K V; Jobin Varghese; Prasanth, S; Ananthakumar, S (Royal Society of Chemistry, 2013)

The present work encompasses the strategic design, synthesis and development of high energy field ZnO varistors. The key aspect of the study involves the chemical synthesis of ZnO based nanorod nanofillers by a pH selective ...
Boerhaavia diffusa L. attenuates angiotensin II-induced hypertrophy in H9c2 cardiac myoblast cells via modulating oxidative stress and down-regulating NF-kBeta and transforming growth factor Beta1

Prathapan, A; Vineetha, V P; Abhilash, P A; Raghu, K G (Cambridge University Press, 2013)

The present study evaluated the antihypertrophic potential of the ethanolic extract of Boerhaavia diffusa (BDE), a well-known edible cardiotonic plant reported in Ayurveda against angiotensin II-induced hypertrophy in ...
Effect of ion-implantation on surface characteristics of nickel titanium and titanium molybdenum alloy arch wires

Manu Krishnan; Seema Saraswathy; Sukumaran, K; Abraham, K M (Medknow Publications, 2013)

Aim: To evaluate the changes in surface roughness and frictional features of ‘ion-implanted nickel titanium (NiTi) and titanium molybdenum alloy (TMA) arch wires’ from its conventional types in an in-vitro laboratory set ...
Microwave dielectric properties of flexible silicone rubber – Ba(Zn1/3Ta2/3)O3 composite substrates

Namitha, L K; Sebastian, M T (Elsevier, 2013)

Silicone rubber composites filled with Ba(Zn1/3Ta2/3)O3 (BZT) were prepared by hot pressing and the effect of filler content on the microwave dielectric, mechanical and thermal properties as well as on moisture absorption ...
In vitro synergistic activity of diketopiperazines alone and in combination with amphotericin B or clotrimazole against Candida albicans

Nishanth Kumar, S; Bala Nambisan; Mohandas, C; Sundaresan, A (Springer, 2013)

The synergistic anticandidal activity of three diketopiperazines [cyclo-(L-Pro-L-Leu) (1), cyclo-(D-Pro- L-Leu) (2), and cyclo-(D-Pro-L-Tyr) (3)] purified from a Bacillus sp. N strain associated with entomopathogenic nematode ...
Emerging approaches in fermentative production of statins

Singh, S K; Pandey, A (Springer, 2013)

Microbial metabolites have many important applications in pharmaceutical and health-care industry. The products of microbial origin are usually produced by submerged fermentation. The solid-state fermentation represents ...
Separation of cis/trans fatty acid isomers on gas chromatography compared to the Ag-TLC method

Ravi Kiran, C; Reshma, M V; Sundaresan, A (Instituto De La Grasa, 2013)

Separation of cis/trans fatty acids isomers on gas chromatography compared to the Ag-TLC method The present study investigates the separation of the cis/trans isomers of fatty acids on the 75 m SP2560 column under different ...
Measuring delamination severity of glass fiber-reinforced epoxy composites during drilling process

Nagarajan, V A; Sundaram, S; Thyagarajan, K; Selwin Rajadurai, J; Rajan, T P D (Wiley, 2013)

Glass fiber-reinforced epoxy composites are one of the potential light-weight structural materials used in various engineering applications due to its excellent properties. Drilling is most widely applied for fastening the ...
Studies on biosurfactants from Pseudozyma sp. NII 08165 and their potential application as laundry detergent additives

Sajna, K V; Rajeev K Sukumaran; Jayamurthy, H; Reddy, K K; Kanjilal, S; Prasad, R B N; Pandey, A (Elsevier, 2013)

The novel isolate Pseudozyma sp. NII 08165 produced glycolipid biosurfactants, which was a combination of all the three mannosylerythritol lipids (MELs) isomers along with some unknown glycolipids. The strain produced 34 ...
Enhanced Eu3+ red luminescence in scheelite based oxides, CaLaSbWO8

Reshmi, V R; Prabhakar Rao, P; Mariyam Thomas; Mahesh, S K; Linda Francis, T (ECS, 2013)

Scheelite type tungstate based red phosphors, CaLa1-xSbWO8:xEu(3+) (x = 0.05, 0.10, 0.15, 0.20 0.25, 0.50 and 1) were synthesized by the conventional solid state method. The crystalline structure, morphology and photoluminescence ...
Highly glucose tolerant beta-glucosidase from Aspergillus unguis: NII 08123 for enhanced hydrolysis of biomass

Rajasree, K P; Gincy, M M; Pandey, A; Rajeev K Sukumaran (Springer, 2013)

Aspergillus unguis NII-08123, a filamentous fungus isolated from soil, was found to produce beta-glucosidase (BGL) activity with high glucose tolerance. Cultivation of the fungus in different carbon sources resulted in the ...
Development of electromagnetic interference shielding materials from the composite of nanostructured polyaniline-polyhydroxy iron-clay and polycarbonate

Reena, V L; Sudha, J D; Ramakrishnan, R (Wiley, 2013)

In the present study, we demonstrate the development of novel electromagnetic interference shielding material from the composite of nanostructured polyaniline-polyhydroxy iron-clay and polycarbonate through solution blending ...

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