2015: Recent submissions

Now showing items 101-120 of 182

Evidence of Reduced Antiferromagnetic transition in mesocrystals of CuO Synthesized by a Surfactant-free Solution Phase Method

Ganga, B G; Manoj Rama Varma; Santhosh, P N (Royal Society of Chemistry, 2015-07)

We explore the finite size effect on the magnetic properties of CuO mesocrystals synthesized by a surfactant-free solution phase method. Significant evidence for the evolution of 3D oval, elliptical and 2D sheet-like CuO ...
Sugarcane bagasse as inert support for L-lysine production in solid-state fermentation

Anusree, M; Nampoothiri, K M; Pandey, A (niscair, 2015-04)

Agro-residues are increasingly utilized for the production of value added products owing to the low cost of substrates. L-Lysine is an essential amino acid, commercially produced by fermentation for its single largest ...
Total antioxidant capacity and change in phytochemicals of four major varieties of cardamom oils during decortication

Padmakumari amma, K P; Indu sasidharan; Sreekumar, M M; Sumathykutty, M A; Arumugam, C (Taylor&Francis, 2015-03-03)

The oil content and chemical composition of the volatiles from whole capsule, decorticated seed and husk of four varieties of cardamom viz. Malabar, Mysore, Vazhukka, and Guatemala were studied. The differences in the ...
Effects of Sr and pressure on microstructure, mechanical and wear properties of near eutectic Al–Si piston alloys

Pratheesh, K; Ravi, M; Kanjirathinkal, A; Joseph, M A (Maney, 2015-10)

Near eutectic Al–Si alloys exhibit smaller coefficients of thermal expansion than those of hypoeutectic and hypereutectic alloys and are thus used preferentially to fabricate automotive pistons. The mechanical properties ...
Processing of Porous SiC by Aluminum-Derived Binders and Sacrificial Porogen Leaching Method

Girija, R V; Deepa, J P; Lakshmi, V; Rajan, T P D; Pavithran, C; Pai, B C (ACT, 2015-09)

Porous SiC was successfully fabricated by a facile and energy efficient sacrificial porogen leaching method using in situ synthesized aluminum-based binders by reaction bonding at low sintering temperatures of 600–1000°C. ...
Achromobacter denitrificans strain SP1 produces an intracellular esterase upon utilizing di (2ethylhexyl) phthalate

Pradeep, S; Sarath Josh, M K; Hareesh, E S; Kumar, S; Benjamin, S (Elsevier, 2015-11)

Production of an esterase by Achromobacter denitrificans strain SP1 e a di(2-ethylhexyl)phthalate (DEHP) degrading novel bacterium e in a modified basal salt medium supplemented with DEHP as an inducercum- additional ...
Influence of rare earth doping on the structural and electro-magnetic properties of SmFeAsO0.7F0.3 iron pnictide

Anooja, J B; Aswathy, P M; Neson varghese; Chandrakanth, C H; Devendra kumar, N; Sundaresan, A; Syamaprasad, U (Royal Society of Chemistry, 2015-08-01)

The effects of rare earth site doping on the structural, superconducting and magnetic properties of SmFeAsO0.7F0.3 iron pnictide are investigated. Gd3+ and Ce3+ ions are chosen by virtue of their position being on either ...
Production and characterization of PHB from a novel isolate Comamonas sp. from a dairy effluent sample and its application in cell culture

Prabisha, T P; Sindhu, R; Binod, P; Vandana, S; Raghu, K G; Pandey, A (Elsevier, 2015-09-15)

In the present study, media engineering was carried out to optimize various process parameters affecting fermentation for PHB production by Comamonas sp. The optimum conditions for PHB production were yeast extract ...
Polypropylene/Layered Double Hydroxide (LDH) Nanocomposites: Influence of LDH particle size on the Crystallization behavior of Polypropylene

Nagendra, B; Kiran mohan; Bhoje Gowd (ACS Publication, 2015-06-17)

Highly dispersed isotactic polypropylene (iPP) nanocomposites were prepared by incorporating two different sized Mg−Al LDH nanoparticles with different loadings from 1 to 10 wt % using a modified solvent mixing method. ...
Structural properties, magnetic interactions, magnetocaloric effect and critical behaviour of cobalt doped La0.7Te0.3MnO3

Bhagya Uthaman; Anand, K S; Rajesh Kumar, R; Htet, H K; Senoy Thomas; Salim Al-Harthi; Suresh, K G; Manoj Raama Varma (Royal Society of Chemistry, 2015)

The effect of cobalt doping on the structural, magnetic and magnetocaloric properties of electron-doped manganite La0.7Te0.3Mn1−xCoxO3 (x = 0, 0.1, 0.2, 0.25, 0.3 and 0.5) has been investigated. The parent compound ...
A study on the magnetic properties of Gd–Sr based low bandwidth manganites in their bulk and thin film forms and evidence for magnetization reversal in bulk Gd0.7Sr0.3MnO3

Lija, K J; Senoy Thomas; Anantharaman, M R (Elsevier, 2016)

A study on the magnetic properties of both bulk and thin film forms of charge ordered Gd–Sr manganites belonging to the series Gd1−xSrxMnO3 (x=0.3, 0.5, 0.6) was performed. In the case of bulk, it is found that the Gd ...
Mossbauer studies of nanocrystalline ZnFe2O4 particles prepared by spray pyrolysis method

Kurian, J; John, S P; Mathew, M J; Reddy, V R; Abraham, K E; Prasad, V S (IOP Publishing Ltd, 2015)

This paper reports the synthesis and characterization of nanoparticles of Zn Fe2O4 by spray pyrolysis method. XRD studies indicates that the particle formed are ultra fine (20 nm) associated with strain. The particle size ...
Tuning of the excitation wavelength in Eu3+-aminophenyl based polyfluorinated β-diketonate complexes: a red-emitting Eu3+-complex encapsulated in a silica/polymer hybrid material excited by blue light

Usha Gangan, T V; Reddy, M L P (Royal Society of Chemistry, 2015)

We describe herein the synthesis, characterization and photophysical properties of a series of europium complexes based on three aminophenyl based polyfluorinated β-diketonates, namely, 1-(4-aminophenyl) - 4,4,5,5,5-pent ...
Tandem organocatalyzed Knoevenagel condensation/1,3-dipolar cycloaddition towards highly functionalized fused 1,2,3-triazoles

Jubi John; Joice Thomas; Parekh, N; Dehaen, W (Wiley-V C H, 2015)

Facile synthesis of fused 1,2,3-triazoles by a proline-catalyzed reaction of an azido aldehyde and a nitroalkane is elaborated. The present tandem protocol proceeds via an organocatalytic Knoevenagel condensation of the ...
Room temperature curable zirconium silicate dielectric ink for electronic applications

Jobin Varghese; Teirikangas, M; Puustinen, J; Jantunena, H; Sebastian, M T (Royal Society of Chemistry, 2015)

A facile formulation of room temperature curable and screen printable zirconium silicate (ZrSiO4) ink has been developed. The ZrSiO4 ink printed on the flexible BoPET (biaxially-oriented polyethylene terephthalate) substrate ...
Influence of natural and synthetic antioxidants on the degradation of Soybean oil at frying temperature

Ravi Kiran, C; Indu Sasidharan; Soban Kumar, D R; Sundaresan, A (Springer, 2015)

The effect of several natural and synthetic antioxidants to retard the formation of polar compounds and thermo-oxidation at prolonged frying temperatures was studied. Antioxidants, including butyl hydroxyl toluene (BHT), ...
Mechanical and wear properties of Sb- and Y-added Mg-9Al-1Zn (AZ91) alloy

Arun Boby; Srinivasan, A; Pillai, U T S; Pai, B C (Springer, 2015)

This paper studies the effect of Sb and Y additions on the microstructure and mechanical properties of the AZ91 alloy. The results indicate that the Sb and Y additions lead to the formation of Mg3Sb2 and Al2Y phases. These ...
Syndiotactic polystyrene/hybrid silica spheres of POSS siloxane composites exhibiting ultralow dielectric constant

Angel Mary Joseph; Nagendra, B; Surendran, K P; Bhoje Gowd, E (American Chemical Society, 2015)

Homogeneously dispersed hybrid silica/syndiotactic polystyrene composites were investigated for low-κ dielectric applications. The composites were prepared by a solution blending method, and their microstructures were ...
Methylene blue adsorption from aqueous solutions using undoped and silver-doped nanotubes of anatase-titania synthesized via modified hydrothermal method

Manu Jose; Mahitha, K; Remya, K; Shukla, S (Springer, 2015)

The nanotubes of undoped and silver (Ag)-doped anatase-titania (TiO2) have been synthesized via the modified hydrothermal method involving the use of acetic acid-modified sol-gel processed nanocrystalline undoped and ...
Textural characteristics of surface and core sediments of Ilmenite-enriched coasts of Southwest, India

Nallusamy, B; Sinirani, B; Suresh Babu, D S (Taylor & Francis, 2015)

Sediment samples from the foreshore and backshore regions between Thottappally and Kayamkulam, (Thottappally - Trikkunnapuzha=Northern; Trikkunnapuzha - Arattupuzha=Central; Arattupuzha - Kayamkulam=Southern), which are ...

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