Kazuyuki Yanagisawa

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Self-assembled monolayers (SAMs) were prepared on a gold substrate from a 310-helical peptide carrying three naphthyl groups at the side chain (SSN3B) or from the reference peptides carrying no or one naphthyl group. The 310-helical conformation of SSN3B in solution was confirmed by 1H NMR spectroscopy and geometry optimization. Cyclic voltammetry and(More)
A new method was developed for estimating the grazing rate of live bacteria by protists. Bacterial cells (Escherichia coli bearing plasmid pEGFP) expressing enhanced green fluorescent protein (EGFP) were used as a live bacterial tracer. Ciliates (Tetrahymena thermophila) were fed with EGFP-tagged bacterial cells, and the individual cells taken up by the(More)
This paper summarizes research activities in National Institute of Radiological Sciences (NIRS) for evaluation of the radiation effects on selected terrestrial and aquatic organisms as well as the ecosystems. Seven organisms, conifers, fungi, earthworms, springtails, algae, daphnia andMedaka are presently selected to study. For the estimation of possible(More)
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