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A fanless 30 kVA Uninterruptible Power System (UPS) has been developed using full silicon carbide (SiC) power modules. The SiC-UPS is equipped with natural air-cooled heat sinks designed based on thermal fluid analysis in order to improve the efficiency of heat transfer for a fanless system. The junction temperatures of the SiC device are sufficiently lower than the allowable junction temperature...
In an MHC class I-disparate combination of mouse strains, a single intravenous injection of donor spleen cells combined with 10 suboptimal doses of 15-deoxyspergualin (DSG) administration was effective in inducing donor-specific suppression of cytotoxic T-lymphocyte (CTL) responses and prolonged survival of the relevant skin allograft. Proliferative potentials of the donor spleen cells were requirement...
Two genes which encode the enzymes lycopene cyclase and phytoene desaturase in the aerobic photosynthetic bacterium Erythrobacter longus sp. strain Och101 have been cloned and sequenced. The gene for lycopene cyclase, designated crtY, was expressed in a strain of Escherichia coli which contained the crtE, B, I and Z genes encoding geranylgeranyl pyrophosphate synthase, phytoene synthase, phytoene...
Previously, we obtained a neutralizing monoclonal antibody directed against the hemagglutinin-neuraminidase (HN) protein of human parainfluenza type 2 virus (PIV2), which was able to prevent cell fusion without affecting the hemagglutinating and neuraminidase activities. In this study, four escape mutants of PIV2 have been obtained under pressure of the monoclonal antibody. Intriguingly, the HN protein...
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