Browsing 2014 by Title

Now showing items 58-77 of 236

The effect of Ga3+ addition on the sinterability and microwave dielectric properties of RE3Al5O12 (Tb3+, Y3+, Er3+ and Yb3+) garnet ceramics

Annrose, S; Varsha Viswanath; Surendran, K P; Sebastian, M T (Elsevier, 2014)
Effect of nano/micro-mixed ceramic fillers on the dielectric and thermal properties of epoxy polymer composites

Vaisakh, S S; Hassanzadeh, M; Metz, R; Ramakrishnan, S; Chappelle, D; Sudha, J D; Ananthakumar, S (John Wiley, 2014)

Nano/micro ceramic-filled epoxy composite materials have been processed with various percentage additions of SiO2, Al2O3 ceramic fillers as reinforcements selected from the nano and micro origin sources. Different types ...
Effect of Rare Earth Dopants on Structural Characteristics of Nanoceria Synthesized by Combustion Method

Jamshidijam, M; Mangalaraja, R V; Akbari-Fakhrabadi, A; Ananthakumar, S; Chan, S H (Elsevier, 2014-02)

Rare earth (RE)-doped ceria powders with a chemical composition of Ce1 − xRExO2 − x / 2 (X: 0.1 and RE: Gd, Sm, Er, Pr, Nd and Y) were prepared by nitrate-fuel combustion method. The TG and DT analyses of the as-synthesized ...
Effect of surface charge alteration on stability of L-asparaginase II from Escherichia sp.

Vidya, J; Ushasree, M V; Pandey, A (Elsevier Science, 2014)

Escherichia coil L-asparaginases have great significance in the treatment of leukemia. Consequently, there is considerable interest in engineering this enzyme for improving its stability. In this work, the effect of surface ...
Effect of surface treatment and fiber orientation on the tensile and morphological properties of Banana Stem Fiber Reinforced Natural Rubber Composite

Ezema, I C; Menon, A R R; Obayi, C S; Omah, A D (Seintific Research, 2014-05)

A mixture of NaOH and Na2SO3 was used in modification of banana stem fibers (BSF). Unidirectional BSF reinforced natural rubber (NR) lamina composites were made using compression moulding method. The results of the tensile ...
Effect of the bulkiness of the end functional amide groups on the optical, gelation, and morphological properties of oligo(p-phenylenevinylene) pi-gelators

Santhosh Babu, S; Praveen, V K; Kartha, K K; Mahesh, S; Ajayaghosh, A (Wiley, 2014)

Herein, we describe the role of end functional groups in the self-assembly of amide-functionalized oligo(p-phenylenevinylene) (OPV) gelators with different end-groups. The interplay between hydrogen-bonding and pi-stacking ...
Effect of Zr4+ and Si4+ substitution on the luminescence properties of CaMoO4:Eu3+ red phosphors

Linda Francis, T; Prabhakar Rao, P; Mariyam Thomas; Mahesh, S K; Reshmi, V R (Springer, 2014)

A series of intense red emitting phosphors, Ca0.8-xZrxMo1-xSixO4:0.2Eu3+ (x = 0.025, 0.05, 0.075,0.1) that could be effectively excited in the UV region was prepared by conventional high temperature solid state reaction ...
Effective discrimination of GTP from ATP by a cationic tentacle porphyrin through“turn-on” fluorescence intensity

Karunakaran, S C; Paul, A K; Ramaiah, Danaboyina (RSC Advances, 2014-07-01)

A cationic tentacle porphyrin selectively recognises guanosine (G) based nucleotides and was effectively utilized as afluorescence“turnon”probe to discriminate GTP from ATP throughfluorescence indicator displacement (FID) ...
An effort toward development of MgB2-based current leads with 2000-A rating

Devadas, K M; Rahul, S; Syju Thomas; Neson Varghese; Pradhan, S; Syamaprasad, U (IEEE, 2014)

In this paper, we report an effort toward the development of general-purpose conduction-cooled current leads based on MgB2, which can carry 2000 A at 25 K. The leads have an overall length of 40 cm and a diameter of 5.8 ...
Electrically conducting silver nanoparticle–polyacrylic acid hydrogel by in situ reduction and polymerization approach

Sudha, J D; Rohini, K N; Sivakala, S (Elsevier, 2014)

Electrically conducting hydrogel nanocomposite based on silver nanoparticles–polyacrylic acid has been prepared by in situ polymerization of acrylic acid and reduction of silver ions using methylol urea as a gelling cum ...
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 ...
Electrochemically synthesized partially reduced graphene oxide modified glassy carbon electrode for individual and simultaneous voltammetric determination of ascorbic acid, dopamine and uric acid

Aneesh, P K; Sindhu, R N; Prasada Rao, T; Ajayaghosh, A (Royal Society of Chemistry, 2014-07)

We report here an efficient and simple approach for the preparation of a partially reduced graphene oxide modified glassy carbon electrode (RGO-GCE). The modification of the RGO-GCE consists of three steps. These include ...
Electromagnetic interference shielding properties of butyl rubber-single walled carbon nanotube composites

Nina Joseph; Chameswary, J; Sebastian, M T (Elsevier, 2014-09-12)

Butyl rubber (BR)-single walled carbon nanotube (SWCNT) (BR-SWCNT) composites were prepared by solution mixing process to evaluate its electromagnetic interference (EMI) shielding efficiency in the X and Ku band (8.2–18 ...
Embelin (2,5-dihydroxy-3-undecyl-p-benzoquinone): A bioactive molecule isolated from Embelia ribes as an effective photodynamic therapeutic candidate against tumor in vivo

Beena Joy; Nishanth Kumar, S; Soumya, M S; Radhika, A R; Vibin, M; Annie Abraham (Elsevier, 2014)

The present study was carried out to assess the photosensitizing potential of embelin, the biologically active natural product isolated from Embelia ribes in photodynamic therapy (PDT) experiments in vivo. In vitro PDT ...
End-to-end performance analysis of CSIR in SIR 2014

Gangan Prathap (Indian Academy of Sciences, 2014-10-25)
Enhanced CO2 absorption kinetics in lithium silicate platelets synthesized by a sol–gel approach

Subha, P V; Balagopal, N N; Hareesh, P; Peer Mohamed, A; Yamaguchi, T; Warrier, K G K; Hareesh, U S (Royal Society of Chemistry, 2014)

Platelet-shaped lithium orthosilicate particles synthesized by a sol–gel approach employing the precursors lithium nitrate and colloidal silica displayed enhanced absorption kinetics for CO2 compared to the powders prepared ...
Enrichment of omega-3 fatty acids in flax seed oil by alkaline lipase of Aspergillus fumigatus MTCC 9657

Akhila Rajan; Sobankumar, D R; Nair, A J (Inst Food Science & Technology/John Wiley, 2014)

Flax seed oil obtained from the seeds of flax plant(Linum usitatissimum, L.) is an unexploited source which contains omega-3 and omega-6 fatty acids. Flax seed oil is hydrolysed with a novel alkaline lipase from Aspergillus ...
Essential Oil Composition of Eight Starchy Curcuma Species

Angel, G R; Nirmala Menon; Vimala, B; Bala Nambisan (Elsevier, 2014-09)

The chemical composition of essential oils from eight underutilized starchy Curcuma species was studied and the components identified by gas chromatography–mass spectrometry (GC/MS). The yield of essential oil in the ...
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 ...
Esterases immobilized on aminosilane modified magnetic nanoparticles as a catalyst for biotransformation reactions

Deepthy, A; Abraham, M; Rajeev K. Sukumaran (Elsevier, 2014-09)

Magnetite nanoparticles were prepared by reacting ferrous and ferric salts in presence of aqueous ammonia.The magnetic nanoparticles (MNPs) were amino functionalized by treating with 3-aminopropyl triethoxy silane (APTES) ...

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