2009: Recent submissions

Now showing items 41-60 of 184

Effect of Lithium-based Glass Addition on the Microwave Dielectric Properties of Ca[(Li1/3Nb2/3)1−xTix]O3−δ Ceramics for LTCC Applications

Sumesh, G; Sebastian, M T (Elsevier, 2009-04-03)

The Ca[(Li1/3Nb2/3)1−xTix]O3−δ (x = 0.2 and 0.25) (CLNT) ceramics with lithium borosilicate (LBS) and lithium magnesium zinc borosilicate (LMZBS) glasses were prepared by conventional solid state ceramic route. The effect ...
Improving Fruity Aroma Production by Fungi in SSF using Citric Pulp

Rossi, S C; Vandenberghe, L P S; Pereira, B M P; Gago, F D; Rizzolo, J A; Pandey, A; Soccol, C R; Medeiros, A B P (Elsevier, 2009-05)

Aromas produced by microorganisms can be recognized as natural and therefore have great economic potential. Ceratocystisfimbriata has the potential to produce a variety of aromas. The aim of the present work is to increase ...
Nanocrystalline Ceria through Homogeneous Precipitation in Alcohol-Water Mixed Solvent

Remani, K C; Ghosh, S (The Indian Ceramic Society, 2009-10)

Uniform nanosized 3–6 nm cerium oxide single crystals have been synthesized by ammonia precipitation in alcohol-water mixed solvent. The size was estimated by photon correlation spectroscopy (PCS), X-ray diffraction (XRD) ...
Characterization of Cytotoxicity Induced by Arsenic Trioxide (A Potent Anti-APL Drug) in Rat Cardiac Myocytes

Raghu, K G; Cherian, O L (Elsevier, 2009)

Arsenic, a known environmental toxicant, is ubiquitously present in the environment. Arsenic trioxide (ATO), an anti-acute promyelocytic leukemia (APL) drug, is associated with cardiac toxicity. It is reported to induce ...
Enhanced Superconducting Properties of Bulk MgB2 Prepared by In Situ Powder-In-Sealed-Tube Method

Neson Varghese; Vinod, K; Ashok Rao; Kuo, Y K; Syamaprasad, U (Elsevier, 2009-02-20)

A systematic study on the superconducting properties of poly crystalline MgB2 synthesized by in situ Powder-In-Sealed-Tube technique is carried out at different temperatures (750–900 ◦C). Both XRD and SEM results show ...
High Cyclic Fatigue Characteristics of Gravity Cast AZ91 Magnesium Alloy Subjected to Transverse Load

Murugan, G; Raghukandan, K; Pillai, U T S; Pai, B C; Mahadevan, K (Elsevier, 2009-08)

High cycle fatigue behavior of magnesium AZ91 alloy under transverse loading ambience is reported. An electro dynamic shaker system was used to apply transverse load on the specimen fabricated according to ASTM standard. ...
Multiband Orange-Red-Emitting Phosphors SrY3SiP5O20: Eu3+ under Near-UV Irradiation

Kumari, L S; Prabhakar Rao, P; Mariyam Thomas; Peter Koshy (The Electrochemical Society, 2009)

The photoluminescence properties of silicon-based xenotime-type rare-earth phosphate as an orange - red - emitting phosphor material, SrY3SiP5O20:xEu3+SrY3SiP5O20:xEu3+ (0.2, 0.6, 1, 2, 3, 5, 10, and 15 mol %), are reported. ...
Percolation Phenomenon in Barium Samarium Titanate–Silver Composite

Sumesh, G; Santha, N I; Sebastian, M T (Elsevier, 2009-01)

Ba4Sm9.33Ti18O54–Ag (BST–Ag) composites were prepared by a solid-state ceramic route and its dielectric properties were investigated in the vicinity of percolation threshold. The structure and microstructure of the composites ...
Dielectric Response of High Permittivity Polymer Ceramic Composite with Low Loss Tangent

Subodh, G; Deepu, V; Mohanan, P; Sebastian, M T (AIP Publishing, 2009)

The present communication investigates the dielectric response of the Sr9Ce2Ti12O36Sr9Ce2Ti12O36 ceramics loaded high density polyethylene and epoxy resin. Sr9Ce2Ti12O36Sr9Ce2Ti12O36 ceramic filled polyethylene and epoxy ...
Novel Electroless Process for Copper Coating of Flyash using Titania/ Ultraviolet-Radiation/ Metal Catalyst-System

Shijitha, T; Baiju, K V; Shukla, S; Patil, K; Warrier, K G K (Elsevier, 2009-04-15)

A novel electroless process has been demonstrated in this investigation to coat the surface of flyash particles with a conducting metal such as copper. The conventional electroless process has been modified for this ...
Preparation, Characterization and Properties of Sm2Si2O7 Loaded Polymer Composites for Microelectronic Applications

Sherin Thomas; Deepu, V; Uma, S; Mohanan, P; Philip, J; Sebastian, M T (Elsevier, 2009-07-15)

The dielectric and thermo - mechanical properties of Sm2Si2O7 filled polyethylene and polystyrene composites for microwave packaging applications are reported in this paper. The composites were synthesized by melt mixing ...
Effect of Precultural and Nutritional Parameters on Compactin Production by Solid-State Fermentation

Shaligram, N S; Singh, S K; Singhal, R S; Szakacs, G; Pandey, A (The Korean Society for Microbiology and Biotechnology, 2009-07)

In the present study, production of compactin by Penicillium brevicompactum WA 2315 was studied. In the first step, various precultural parameters were studied by substituting one factor at a time. Subsequently, the effect ...
Biosynthesis of Silver Nanoparticles using Aqueous Extract from the Compactin Producing Fungal Strain

Shaligram, N S; Bule, M; Bhambure, R; Singhal, R S; Singh, S K; Szakacs, G; Pandey, A (Elsevier, 2009-08)

In the present study, an eco-friendly process for the synthesis of nanomaterials using a fungus, Penicillium brevicompactum WA 2315 has been attempted. The fungus has been previously utilized for compactin production. ...
Investigation of Self- and In-field Dependent n-value of Tb-doped (Bi,Pb) - 2212 Superconductor

Sarun, P M; Vinu, S; Shabna, R; Syamaprasad, U (AIP Publishing, 2009)

Knowledge of the electric field versus current density (E-J)(E-J)characteristics is very important for the development of superconducting high-field magnets particularly for operation in the persistent mode. A systematic ...
Utilization of Soybean Vinasse for α-galactosidase Production

Sanada, C T N; Karp, S G; Spier, M R; Portella, A C; Gouvea, P M; Yamaguishi, C T; Vandenberghe, L P S; Pandey, A; Soccol, C R (Elsevier, 2009-05)

The enzyme α-galactosidase was produced by submerged fermentation using as substrate the soybean vinasse, a residue of the alcoholic fermentation of soybean molasses. Soybean molasses is a by-product of the protein-concentrate ...
Significant Enhancement of the In-field Critical Current Density of the MgB2 Superconductor through Codoping of Nano-TiC with Nano-SiC

Vinod, K; Varghese, N; Roy, S B; Syamaprasad, U (IOP Publishing, 2009-05)

Nanoparticles of two carbides, SiC and TiC, having different reactivities with the Mg/B are doped into the MgB2 system. These carbides are added in mono-and codoping conditions through the in situ solid state reaction, and ...
Recent advances in CAN mediated reactions in organic synthesis

Vijay Nair, G; Ani Deepthi (Elsevier, 2009)

The emergence of CAN as a versatile one-electron oxidant is attested by the wide range of reactions that can be executed by this reagent. The literature on CAN chemistry is updated in the present review while highlighting ...
Microstructure and high temperature deformation characteristics of sol–gel derived aluminium titanate–mullite composites

Ananthakumar, S; Jayasankar, M; Warrier, K G K (Elsevier, 2009)

Aluminium titanate (AT)-mullite composites with varying compositions were processed by sol-gel technique. The influence of mullite on the microstructure and creep deformation of AT-mullite composites was investigated. in ...
Lanthanum carbonate incorporated chitosan microparticles for phosphate collection

Aneesh, P K; Prathish, K P; Kala, R; Prasada Rao, T (Elsevier, 2009)

Lanthanum carbonate incorporated chitosan microparticles (LCCM) is proposed for collection of phosphate from 0.9% saline and human plasma serum samples. Loading of similar to 4.1 mg of La(2)(CO(3))(3)center dot 3H(2)O onto ...
Preparation of in situ MgB2/Fe superconducting tapes with highly densified core by hot pressing of electrically self-heated PIT wires

Vinod, K; Neson Varghese; Rahul, S; Syamaprasad, U (Elsevier, 2009)

Iron-sheathed in situ MgB2 superconducting tapes with high densities were prepared by hot pressing of electrically self-heated powder-in-tube wires. The tapes were characterized for phase purity, density, microstructure ...

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