DSpace at Bose Institute: Recent submissions
Now showing items 1361-1380 of 2749
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Limitations on the validity of impulse approximation in Compton scattering
(ELSEVIER SCIENCE BV, 2007-08-01)The validity of impulse approximation (IA), which is commonly used in the description of Compton scattering of photons from atomic electrons, is discussed with particular attention to the kinematical region in which the ... -
Symbiosis between Knowledge Society and E-Governance
(DESIDOC, 2008-09-05)E-governance brings urban and rural areas together and breaks the barrier of distance to lead an efficient administration. Surprisingly, e-governance has not made enough impact on the people as ecommerce and e-learning ... -
Spin- 1 2 Heisenberg ladder: Variation of entanglement and fidelity measures close to quantum critical points
(AMER PHYSICAL SOC, 2009-01-05)We consider a two-chain, spin-1/2 antiferromagnetic Heisenberg spin ladder in an external magnetic field H. The spin ladder is known to undergo second-order quantum phase transitions (QPTs) at two critical values H(c1) and ... -
Consistency of nuclear thermometric measurements at moderate excitation
(AMER PHYSICAL SOC, 2008-08-28)A comparison of various thermometric techniques used for the estimation of nuclear temperature has been made from the decay of hot composite (32)S* produced in the reaction (20)Ne (145 MeV) + (12)C. It is shown that the ... -
Fragment emission studies of the 16O+12C reaction
(AMER PHYSICAL SOC, 2008-10-01)The inclusive energy distributions of the fragments (3 <= Z <= 5) emitted in the reaction (16)O+(12)C have been measured in the angular range 9(degrees) to 29(degrees), at the energies 117, 125, 145, and 160 MeV, respectively. ... -
Overexpression of a delayed early gene hlg1 of temperate mycobacteriophage L1 is lethal to both M-smegmatis and E-coli
(KOREAN SOCIETY BIOCHEMISTRY & MOLECULAR BIOLOGY, 2008-05-31)Two genes of temperate mycobacteriophage L5, namely, gp63 and gp64, were hypothesized to be toxic to M. smegmatis. An identical L5 gp64 ortholog (designated hlg1) was cloned from homoimmune mycobacteriophage L1 and ... -
A chimaeric glutamyl:glutaminyl-tRNA synthetase: implications for evolution
(PORTLAND, 2009-01-15)aaRSs (aminoacyl-tRNA synthetases) are multi-domain proteins that have evolved by domain acquisition. The anti-codon binding domain was added to the more ancient catalytic domain during aaRS evolution. Unlike in eukaryotes, ... -
Varietal identification and assessment of genetic relationships in Hippeastrum using RAPD markers
(SPRINGER, 2007-11)The National Botanical Research Institute (NBRI) in Lucknow, India, maintains germplasm of Hippeastrum, a beautiful summer blooming ornamental. Germplasm collections comprise NBRI hybrids developed through selective breeding, ... -
Polyakov-Nambu-Jona-Lasinio model with a Vandermonde term
(Elsevier B.V., 2008-05-29)We extend the Polyakov-Nambu-Jona-Lasinio model for two degenerate flavors by including the effect of the SU(3) measure with a Vandermonde term. This ensures that the Polyakov loop always remains in the domain [0, 1]. The ... -
Micropropagation of gerbera: lipid peroxidation and antioxidant enzyme activities during acclimatization process
(SPRINGER HEIDELBERG, 2008-05)Gerbera jamesonii H. Bolus ex Hook (Family: Asteraceae) has been successfully acclimatized from temperate to subtropical North Indian plains of Lucknow through in vitro propagation. Flower heads were collected from greenhouse, ... -
The Mycobacteriophage D29 Gene 65 Encodes an Early-Expressed Protein That Functions as a Structure-Specific Nuclease
(AMER SOC MICROBIOLOGY, 2009-02-01)The genomes of mycobacteriophages of the L5 family, which includes the lytic phage D29, contain several genes putatively linked to DNA synthesis. One such gene is 65, which encodes a protein belonging to the RecA/DnaB ... -
Kinetics of phenanthrene degradation by Staphylococcus sp strain PN/Y involving 2-hydroxy-1-naphthoic acid in a novel metabolic pathway
(ELSEVIER SCI, 2008-09)Staphylococcus sp. strain PN/Y isolated from creosote-contaminated soil, was previously reported to degrade phenanthrene as sole source of carbon and energy. Unlike other phenanthrene degraders, Staphylococcus sp. PN/Y ... -
Demethylation of (Cytosine-5-C-methyl) DNA and regulation of transcription in the epigenetic pathways of cancer development
(SPRINGER, 2008-06)Cancer cells and tissues exhibit genome wide hypomethylation and regional hypermethylation. CpG-methylation of DNA ((Me)CpG-DNA) is defined as the formation of a C-C covalent bond between the 5'-C of cytosine and the -CH(3) ... -
Functional characteristics of a double positive feedback loop coupled with autorepression
(IOP PUBLISHING LTD, 2008-12-01)We study the functional characteristics of a two-gene motif consisting of a double positive feedback loop and an autoregulatory negative feedback loop. The motif appears in the gene regulatory network controlling the ... -
Dielectric and phase transition of BaTi 0.6Zr 0.4O 3 ceramics prepared by a soft chemical route
(SPRINGER, 2008-04-01)BaTi0.6Zr0.4O3 (BTZ) ceramic was synthesized by a soft chemical route. X-ray diffraction at room temperature shows that the sample has cubic perovskite structure with space group Pm-3m. Temperature dependent dielectric ... -
Differential Selective Constraints Shaping Codon Usage Pattern of Housekeeping and Tissue-specific Homologous Genes of Rice and Arabidopsis
(OXFORD UNIV, 2008-12)Intra-genomic variation between housekeeping and tissue-specific genes has always been a study of interest in higher eukaryotes. To-date, however, no such investigation has been done in plants. Availability of whole genome ... -
Observation of second metastable state in superheated emulsion detector
(ELSEVIER SCIENCE BV, 2008-08-11)The superheated emulsion detector (SED), a well-known detector for neutrons, ions, electrons and photons. contains droplets of superheated liquid held in a viscoelastic gel. It is well known that these droplets are in a ... -
An active device for volumetric measurement of drop nucleation in a superheated emulsion detector
(IOP PUBLISHING LTD, 2008-10-01)An active volumetric device for active detection and measurement of drop nucleation of superheated emulsions is described. The drop nucleation is detected by an optical arrangement using a pair of a laser and a light-dependent ... -
Nucleotide Triplet Based Molecular Phylogeny of Class I and Class II Aminoacyl t-RNA Synthetase in Three Domain of Life Process: Bacteria, Archaea, and Eukarya
(ADENINE, 2008-12)The amoniacyl-tRNA synthetases are one of the major protein components in the translation machinery. These essential proteins are found in all forms of life and are responsible for charging their cognate tRNAs with the ... -
Using the no-signaling condition for constraining the nonidealness of a Stern-Gerlach set-up
(IOP PUBLISHING LTD, 2009-02-27)On the basis of a variant of the EPR-Bohm example, we show that the no-signaling condition can be employed as a useful tool for deriving a constraint on a suitably defined measure of the 'nonidealness' of a Stern-Gerlach ...