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RISS 인기검색어
- 검색키워드
- 저자 : Sejal Shah (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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100-kV Feedthrough for the Indian Test Facility (INTF) - Design and Analysis
Sejal Shah,D. Sharma,M. Bandyopadhyay,C. Rotti,G. Bansal,J. Joshi,D. Parmar,A. Chakraborty 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.65 No.8
The Indian Test Facility (INTF) high-voltage (HV) feedthrough has been designed to connectall the required feedlines carried by the transmission line from the HV deck to the beam source. It forms the primary vacuum boundary and provides 100-kV isolation for INTF beam operation. Thermomechanical and electrostatic analyses have been carried out to validate the design. Theobserved thermomechanical stress and deflections are within acceptable limits. The results arevalidated using Structural Design Criteria for In-vessel Components (SDC-IC) criteria. The presentmanuscript describes the design of and the analysis results for the INTF HV feedthrough.
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Das, Ruchi,Das, Tarun,Shah, Sejal Korean Mathematical Society 2018 대한수학회논문집 Vol.33 No.1
We extend Bowen's decomposition theorem to topologically Anosov homeomorphisms on first countable, locally compact, paracompact, Hausdorff spaces which are not necessarily metrizable and not necessarily compact.
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Photocatalytic Degradation of E. coli and S. aureus by Multi Walled Carbon Nanotubes
Sharon, Madhuri,Datta, Suprama,Shah, Sejal,Sharon, Mahesh War,Soga, T.,Afre, Rakesh Korean Carbon Society 2007 Carbon Letters Vol.8 No.3
Carbon Nano Tubes could be either metallic or semi-conducting in nature, depending on their diameter. Its photocatalytic behavior has given an impetus to use it as an anti-microbial agent. More than 95% Escherichia coli and Staphylococcus aureus bacteria got killed when exposed to Carbon Nano Tubes for 30 minutes in presence of sunlight. Carbon Nano Tubes are supposed to have smooth surface on to which it accumulates positive charges when exposed to light. The surface that is non illuminated has negative charge. At the cellular level microorganisms produce negative charges on the cell membrane, Therefore damaging effect of multi walled carbon nano tubes (exposed to light) on the microorganisms is possible. In this paper, photo catalytic killing of microbes by multi walled carbon nano tubes is reported. Killing was due to damage in the cell membrane, as seen in SEM micrographs. Moreover biochemical analysis of membrane as well as total cellular proteins by SDS PAGE showed that there was denaturation of membrane proteins as well as total proteins of both the microbes studied. The killed microbes that showed a decrease in number of protein bands (i.e. due to breaking down of proteins) also showed an increase in level of free amino acids in microbes. This further confirmed that proteins got denatured or broken down into shorter units of amino acids. Increased level of free amino acids was recorded in both the microbes treated with multi walled carbon nano tubes and sunlight.
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Photocatalytic Degradation of E. coli and S. aureus by Multi Walled Carbon Nanotubes
Madhuri Sharon,Suprama Datta,Sejal Shah,Mahesh War Sharon,T. Soga,Rakesh Afre 한국탄소학회 2007 Carbon Letters Vol.8 No.3
Carbon Nano Tubes could be either metallic or semi-conducting in nature, depending on their diameter. Its photocatalytic behavior has given an impetus to use it as an anti-microbial agent. More than 95% Escherichia coli and Staphylococcus aureus bacteria got killed when exposed to Carbon Nano Tubes for 30 minutes in presence of sunlight. Carbon Nano Tubes are supposed to have smooth surface on to which it accumulates positive charges when exposed to light. The surface that is non illuminated has negative charge. At the cellular level microorganisms produce negative charges on the cell membrane, Therefore damaging effect of multi walled carbon nano tubes (exposed to light) on the microorganisms is possible. In this paper, photo catalytic killing of microbes by multi walled carbon nano tubes is reported. Killing was due to damage in the cell membrane, as seen in SEM micrographs. Moreover biochemical analysis of membrane as well as total cellular proteins by SDS PAGE showed that there was denaturation of membrane proteins as well as total proteins of both the microbes studied. The killed microbes that showed a decrease in number of protein bands (i.e. due to breaking down of proteins) also showed an increase in level of free amino acids in microbes. This further confirmed that proteins got denatured or broken down into shorter units of amino acids. Increased level of free amino acids was recorded in both the microbes treated with multi walled carbon nano tubes and sunlight.
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