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Utilization of vinasse for production of poly-3-(hydroxybutyrate-co-hydroxyvalerate) by Haloferax mediterranei
Anirban Bhattacharyya, Arnab Pramanik, Sudipta K Maji, Saubhik Haldar, Ujjal K Mukhopadhyay, Joydeep Mukherjee
AMB Express , 2012, DOI: 10.1186/2191-0855-2-34
Abstract:
Space-time curvature coupling of spinors in early universe: Neutrino asymmetry and a possible source of baryogenesis
Ujjal Debnath,Banibrata Mukhopadhyay,Naresh Dadhich
Physics , 2005, DOI: 10.1142/S0217732306019542
Abstract: It is well known that when a fermion propagates in curved space-time, its spin couples to the curvature of background space-time. We propose that this interaction for neutrinos propagating in early curved universe could give rise to a new set of dispersion relations and then neutrino asymmetry at equilibrium. We demonstrate this with the Bianchi models which describe the homogeneous but anisotropic and axially symmetric universe. If the lepton number violating processes freeze out at 10^{-37} second when temperature T ~ 10^{15} GeV, neutrino asymmetry of the order of 10^{-10} can be generated. A net baryon asymmetry of the same magnitude can thus be generated from this lepton asymmetry either by a GUT B-L symmetry or by the electro-week sphaleron processes which have B+L symmetry.
A simple synthesis and characterization of CuS nanocrystals
Bratindranath Mukherjee,Ujjal K Gautam
- , 2006,
Abstract:
Absorbing State Phase Transition in presence of Conserved Continuous Local Field
Mahashweta Basu,Ujjal Gayen,P. K. Mohanty
Physics , 2011,
Abstract: We study absorbing state phase transition in one dimension in presence of a conserved continuous local field (CCLF) called energy. A pair of sites on a lattice is said to be active if one or both sites posses more energy than a pre-defined threshold. The active pair of sites are allowed to redistribute their energy following a stochastic rule. We show that, the CCLF model undergo a continuous absorbing state transition when energy per site is decreased below a critical value. The critical exponents are found to be different from those of DP.
The epigenetic regulation of CXCL14 plays a role in the pathobiology of oral cancers
Kazumune Arikawa,Ryuji Nakayama,Ujjal K. Bhawal
Journal of Cancer , 2017, DOI: 10.7150/jca.21169
Abstract: Background: Chemokines selectively attract and activate leukocytes and play roles in a variety of homeostatic and disease processes. Explore the biological properties of CXCL14 seems complicated due to unknown functional characteristics of CXCL14 in cancer.
Influence of socio-economic status and environmental factors on serologically diagnosed Japanese encephalitis cases in the state of West Bengal, India during 2005-2010  [PDF]
Arindam Sarkar, Debjani Taraphdar, Bansi B. Mukhopadhyay, Manish Kumar, Subhra K. Mukhopadhyay, Shyamalendu Chatterjee
Health (Health) , 2012, DOI: 10.4236/health.2012.41002
Abstract: Objectives: The main aim of the current study is to examine the influence of socio-economic status and environmental factors on serologically diagnosed Japanese encephalitis cases in the state of West Bengal, India during 2005-2010. Materials and methods: A total of 648 blood/CSF specimens were collected and/or referred from the suspected AES cases, admitted in the different medical colleges and hospitals of the state during the year of 2005-2010. These specimens were subjected to JE Mac ELISA to determine the actual JE case amongst these AES. The association of the socio-economic status and environmental factors with the serologically diagnosed JE positive cases was studied by a statistical analysis through Normal Deviate test or Z test. Result: Out of 648 specimens, only 175 (27.0%) specimens were reactive to JE IgM antibody, of which 60.0% were from the male individuals and 40.0% from the female population. Major cases were observed in the age group of 0 - 10 years; followed by 11 - 20 years. Regarding literacy, only 58.3% cases had no education and 41.7% were from the literate with varying level of education, i.e., from primary level to post gra- duate level. A total of 65.7% cases were from low income group where as only 34.3% cases were from high income group. Regarding house type, 62.3% cases lived in mud house and 37.7% cases lived in the brick house. In most of the cases (74.3%), persons were living in close proximity to rice fields/lakes/ponds. 69.7% cases were found to occur in the monsoon and post-monsoon period whereas 30.3% cases were reported in the pre-monsoon period. Conclusion: Our study concludes that socio-economic status and environmental conditions were statistically significant contextual risk factors for serologically diagnosed JE incidences in West Bengal where JE is proved to be endemic in nature and such study constitutes a new report of this kind in the region.
Lymphatic filariasis in Andhra Pradesh Paper Mill Colony, Rajahmundry, India after nine rounds of MDA programme
A.K. Mukhopadhyay
Journal of Vector Borne Diseases , 2010,
Abstract:
Extreme heterogeneity in sr isotope systematic in the himalayan leucogranites: A possible mechanism of partial melting based on thermal modeling
Dilip K Mukhopadhyay
- , 2001,
Abstract:
Deformational history of the Precambrian Kolar Schist Belt, South India: Constraints for the tectonic evolution
Dilip K Mukhopadhyay
- , 1990,
Abstract:
Indentation fatigue in silicon nitride, alumina and silicon carbide ceramics
A K Mukhopadhyay
- , 2001,
Abstract:
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