Kentaro Kuriyama

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It is important for human life in space to study the effects of environmental factors during spaceflight on a number of physiological phenomena. Apoptosis plays important roles in development and tissue homeostasis in metazoans. In this study, we have analyzed apoptotic activity in germ cells of the nematode C. elegans, following spacefight. Comparison of(More)
The 9 kDa polypeptide from spinach photosystem I (PS I) complex was isolated with iron-sulfur cluster(s) by an n-butanol extraction procedure under anaerobic conditions. The polypeptide was soluble in a saline solution and contained non-heme irons and inorganic sulfides. The absorption spectrum of this iron-sulfur protein was very similar to those of(More)
Membrane-bound alkaline proteases from the midgut epithelia of the silkworm, Bombyx mori, were solubilized with 1% Lubrol-WX, at pH 11.2. They were purified by gel filtration on Sepharose 6B and Ultrogel AcA-202 columns and a preparative polyacrylamide gel electrophoresis. Two proteases, caseinolytic (6B3-Tc) and benzoyl-arginine-p-nitroanilide-lytic(More)
There is a substantial need for simultaneous analyses of RNA and DNA from individual single cells. Such analysis provides unique evidence of cell-to-cell differences and the correlation between gene expression and genomic mutation in highly heterogeneous cell populations. We present a novel microfluidic system that leverages isotachophoresis to fractionate(More)
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