2013: Recent submissions

Now showing items 141-159 of 159

Industrial Enzymes - Present status and future perspectives for India

Binod, P; Palkhiwala, P; Gaikaiwari, R; Nampoothiri, K M; Duggal, A; Dey, K; Pandey, A (NISCAIR, 2013)

Enzyme technology is a well established branch of the biochemical science which is going through a phase of maturation as well as evolution. The maturation is shown by the development of the theory, their function and ...
Which density functional is close to CCSD accuracy to describe Geometry and Interaction Energy of small noncovalent dimers? A benchmark study using Gaussian09

Remya, K; Suresh, C H (Wiley, 2013)

A benchmark study on all possible density functional theory (DFT) methods in Gaussian09 is done to locate functionals that agree well with CCSD/aug-cc-pVTZ geometry and Ave-CCSD(T)/(Q-T) interaction energy (Eint) for small ...
Facile Synthesis of “Quench-Free Glass” and Ceramic-Glass Composite for LTCC Applications

Abhilash, P; Dhanesh, T; Surendran, K P; Sebastian, M T (Wiley, 2013)

The 10 mol% ZnO–2 mol% B2O3–8 mol% P2O5–80 mol% TeO2 (ZBPT) glass was prepared by quenching as well as slowly cooling the melt. The ZBPT glass prepared by both methods show similar microwave dielectric properties. ZBPT ...
Palladium catalyzed reaction of ortho-functionalized aryl iodides with bicyclic hydrazines: facile route toward heteroannulated cyclopentenes and azabicycles

Jubi John; Rani, R; Sarath Chand, S; Praveen, P; Nayana Joseph; Suresh, E; Radhakrishnan, K V (Elsevier, 2013)

A palladium catalyzed tandem protocol for the synthesis of cyclopentene fused heterocycles from diazabicyclic alkenes and ortho-functionalized aryl iodides has been elaborated. This tandem protocol was utilized for the ...
Crystal Structure and Microwave Dielectric Properties of LiRE9(SiO4)6O2 Ceramics (RE = La, Pr, Nd, Sm, Eu, Gd, and Er)

Manu, K M; Karthik, C; Leu, L C; Lazar, K A; Ubic, R; Sebastian, M T (Wiley, 2013)

The crystal structure and microwave dielectric properties of apatite-type LiRE9(SiO4)6O2 ceramics (RE = La, Pr, Nd, Sm, Eu, Gd, and Er) have been investigated. The densification of lithium apatites has been greatly improved ...
Perchlorate reduction by an isolated serratia marcescens strain under high salt and extreme pH

Anupama, V N; Prajeesh, P V G; Krishnakumar, B (Wiley, 2013)

An isolated Serratia marcescens strain exhibited growth-coupled perchlorate (ClO 4 ) reduction under anoxic conditions. Perchlorate was reduced completely with stoichiometric chloride buildup and equimolar acetate ...
Electromagnetic interference shielding nature of PVDF-carbonyl iron composites

Nina, J; Sebastian, M T (Elsevier, 2013)

Polyvinylidene fluoride-carbonyl iron powder (PVDF-CIP) composites with different carbonyl iron powder loading were developed for electromagnetic interference shielding applications in the X band. Shielding properties ...
Hot tearing characteristics of binary Mg-Gd alloy castings

Srinivasan, A; Wang, Z; Huang, Y; Beckmann, F; Kainer, K U; Hort, N (Springer, 2013)

Hot tearing characteristics of Mg-xGd (x = 1, 2, 5 and 10 wt pct) binary alloys have been studied in a constrained rod casting apparatus attached with a load cell and data acquisition system. The onset temperature of the ...
Highest photocatalytic activity observed for nanocrystalline anatase-titania having lowest crystallinity

Manu Jose; Jatish Kumar; Shukla, S (Global Scientific Publishers, 2013)

The nanocrystalline anatase-TiO2, a well-known photocatalyst, has been synthesized via the conventional sol-gel method involving an alkoxide-precursor. The nanocrystalline anatase-TiO2 has also been processed via the ...
Near room temperature magnetocaloric properties of Fe substituted La0.67Sr0.33MnO3

Reshmi, C P; Savitha Pillai, S; Suresh, K G; Manoj Raama Varma (Elsevier, 2013)

The effect of Fe substitution in the polycrystalline La0.67Sr0.33MnO3 has been investigated. Substitution of Fe decreases the Curie temperature of La0.67Sr0.33MnO3 from 370 K to near room temperature in x < 0.3 samples, ...
Syntheses of normal, expanded, strapped and N-confused calixbenzophyrins from a single starting material

Salini, P S; Anju, K S; Reddy, M L P; Srinivasan, A (The Royal Society of Chemistry, 2013)

The syntheses and spectral and structural characterization of hitherto unknown p-benzene incorporated normal, expanded, strapped and N-confused calixbenzophyrins are achieved; altogether five new macrocycles from a single ...
Characterization of kaolin intercalates of oleochemicals derived from rubber seed (Hevea brasiliensis) and tea seed (Cameliasinensis) oils

Mgbemena, C O; Ibekwe, N O; Rugmini Sukumar; Menon, A R R (Elsevier, 2013)

Kaolin intercalates were prepared by employing derivatives of oleochemicals namely rubber seed oil (SRSO) and tea seed oil (STSO) and characterized by employing powder X-ray diffraction (PXRD), Fourier transform infrared ...
Effect of micro-and nano-ﬁllers on the properties of silicone rubber-alumina ﬂexible microwave substrate

Namitha, L K; Chameswary, J; Ananthakumar, S; Sebastian, M T (Elsevier, 2013)

Silicone rubber composites filled with micro- and nano-alumina were prepared and the effect of filler contents on the microwave dielectric, mechanical, thermal and moisture absorption properties were investigated. The ...
Electrical and thermal properties of low permittivity Sr2Al2SiO7 ceramic ﬁlled HDPE composites

Manu, K M; Ananthakumar, S; Sebastian, M T (Elsevier, 2013)

The feasibility of low permittivity Sr2Al2SiO7 (SAS) ceramic filled high density polyethylene (HDPE) composites for substrate and packaging applications has been investigated in this paper. The composites were prepared by ...
Butyl rubber–Ba0.7Sr0.3TiO3 composites for ﬂexible microwave electronic applications

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

Butyl rubber–Ba0.7Sr0.3TiO3 composites (BR–BST) were prepared by sigma mixing followed by hot pressing. The stress–strain studies show the good flexibility of the composite. The dielectric properties of the composites were ...
Montmorillonite–carbon nanotube nanoﬁllers by acetylene decomposition using catalytic CVD

Manikandan, D; Mangalaraja, R V; Avila, R E; Rajendran, S; Ananthakumar, S (Elsevier, 2013)

Montmorillonite–carbon nanotube nanofillers (a binary hybrid material) were successfully synthesised for polymer reinforcing applications. Montmorillonite (Mt) supported iron oxide (20 and 25 wt.%) catalysts were prepared ...
Amine-grafted alumino-siloxane hybrid porous granular media: A potential sol–gel sorbent for treating hazardous Cr(VI) in aqueous environment

Linsha, V; Suchithra, P S; Peer Mohamed, A; Ananthakumar, S (Elsevier, 2013)

Amine grafted alumino-siloxane hybrid was processed first via sol–gel assisted in situ coagulation and poly-condensation reaction. Spherical granular media was then fabricated through nanocasting followed by self assembly ...
In Vitro Demonstration of Apoptosis Mediated Photodynamic Activity and NIR Nucleus Imaging through a Novel Porphyrin

Suneesh, C K; Saneesh Babu, P S; Madhuri, B; Betsy, M; Albish, K P; Asha S Nair; Sridhar Rao,K; Srinivasan, A; Chandrashekar, T K; Mohan Rao, Ch; Radhakrishna Pillai; Ramaiah, D (American Chemical Society, 2013)

We synthesized a novel water-soluble porphyrin THPP and its metalated derivative Zn-THPP having excellent triplet excited state quantum yields and singlet oxygen generation efficiency. When compared to U.S. Food and Drug ...
Determination of the contact angles of kaolin intercalates of oleochemicals derived from rubber seed (Heveabrasiliensis) and tea seed (Cameliasinensis) oils by the capillary rise method

Mgbemena, C O; Mgbemena, C E; Rugmini Sukumar; Menon, A R R (Science Publishing Group, 2013)

Pristine kaolin was organically modified by employing derivatives of oleochemicals namely rubber seed oil (SRSO) and tea seed oil (STSO). Intercalation was attained by the entrance of hydrazine hydrate as co-intercalate. ...

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