R
Reiko Yamamoto
Researcher at Tohoku University
Publications - 18
Citations - 233
Reiko Yamamoto is an academic researcher from Tohoku University. The author has contributed to research in topics: Mercury (element) & Excretion. The author has an hindex of 9, co-authored 18 publications receiving 228 citations.
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Journal ArticleDOI
Effects of artificial hair-waving on hair mercury values
Reiko Yamamoto,Tsuguyoshi Suzuki +1 more
TL;DR: An artificial hair-waving which is popular among Japanese women and the use of thiol-containing solutions for reforming hair-wavings was tested for its effects on hair mercury values, with the largest effect for reducing organic mercury concentrations at all the PH conditions tested.
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Circadian rhythms in the urinary excretion of metals and organic substances in "healthy" men.
Shunichi Araki,Katsuyuki Murata,Kazuhito Yokoyama,Susumu Yanagihara,Yukiko Niinuma,Reiko Yamamoto,Nobuo Ishihara +6 more
TL;DR: Examination of circadian rhythms in the urinary excretion of metals and organic substances in "healthy" men suggested that the mercury and zinc rhythms resulted partly from increased reabsorption during the night hours; the coproporphyrin rhythm reflected reduced glomerular filtration of coproprophyrinogen during the day and morning hours.
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The applicable condition of Magos' method for mercury measurement under coexistence of selenium.
TL;DR: Delayed and incomplete release of Hg 0 was reported in liver, blood, and spleen, but not in kidneys and brain, of mice simultaneously administered HgCl 2 and Na 2 SeO 3 for both inorganic and total mercury determination by Magos' method.
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Comparison of the effects of urinary flow on adjusted and non‐adjusted excretion of heavy metals and organic substances in ‘healthy’ men
Shunichi Araki,Katsuyuki Murata,Hiroshi Aono,Susumu Yanagihara,Y. Niinuma,Reiko Yamamoto,N. Ishihara +6 more
TL;DR: It was concluded that ‘UF‐adjusted concentration’ is applicable to measurement of all substances in urine as a method of minimizing UF effects, while the other three adjustment methods have only limited uses.
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Elemental contamination of Japanese women's hair from historical samples.
TL;DR: The contribution of exogenous contamination to hair levels was found to be very strong for Fe, Mn, Cu, Hg, and Pb, moderate for Na and Zn, and negligible for Ca, Mg, Sr, K, HG (organic mercury), and P.