Výsledky vyhledávání - "Mutsuo Ishizaki"

Toxicity and Oxidative Stress Induced by Organic Arsenical Diphenylarsinic Acid and Inorganic Arsenicals and Their Effects on Spatial Learning Ability in Mice

Autor: Osamu Hayashi, Seiichi Ueno, Keiko Ozone, Mutsuo Ishizaki

Publikováno v: JOURNAL OF HEALTH SCIENCE. 56:517-526

In the present study, we investigated the oxidative stress induced by arsenical compounds in mice. Catalase (CAT) activity in the liver was decreased significantly when an organic arsenical compound, diphenylarsinic acid (DPAA), was administered to m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af52384491ad2bc28dceb7d1bb20f880
https://doi.org/10.1248/jhs.56.517

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Determination of Diphenylarsinic Acid in Plants and Biological Samples by HPLC/MS/MS Using a Stable Isotope Labeled Compound

Autor: Miki Nakamura, Mutsuo Ishizaki, Keiko Ozone, Yasuyuki Shibata, Seiichi Ueno, Tatsumi Kitamura

Publikováno v: BUNSEKI KAGAKU. 55:41-44

A method for the determination of diphenylarsinic acid (DPAA) in plants and biological samples by high-performance liquid chromatography-tandem mass spectrometry (HPLC/MS/MS) using a stable isotope labeled compound as an internal standard is describe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b36f818c44a27f8aa3dfd95da0c50388
https://doi.org/10.2116/bunsekikagaku.55.41

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Selective Separation of Diphenylarsinic Acid in Biological Samples by Combined Solvent Extraction with Solid-Phase Extraction and Determination by Graphite-Furnace Atomic-Absorption Spectrometry

Autor: Keiko Ozone, Seiichi Ueno, Mutsuo Ishizaki, Tatsumi Kitamura, Miki Nakamura

Publikováno v: BUNSEKI KAGAKU. 55:9-13

生体試料中のジフェニルアルシン酸（DPAA）定量法として，試料のアルカリ分解液中のDPAAを溶媒抽出及び固相抽出法を利用して選択的かつ効率よく抽出し，黒鉛炉原子吸光法に供する方�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0584794047f625700a2a56d6b7097535
https://doi.org/10.2116/bunsekikagaku.55.9

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Determination of diphenylarsinic acid and phenylarsonic acid, the degradation products of organoarsenic chemical warfare agents, in well water by HPLC-ICP-MS

Autor: Yasuo Shida, Koichi Kiso, Chiseko Sakuma, Hiroyasu Ito, Osamu Shikino, Masatoshi Morita, Kenji Kinoshita, Toshikazu Kaise, Takafumi Ochi, Mutsuo Ishizaki

Publikováno v: Applied Organometallic Chemistry. 19:287-293

Diphenylarsinic acid (DPAA) and phenylarsonic acid (PAA), which were degradation products of organoarsenic chemical warfare agents used as sternutatory gas, were detected in the well water at Kamisu, Ibaraki Prefecture, Japan. The standard material o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::639c000a3f3be90d485d6e7ff43b241d
https://doi.org/10.1002/aoc.789

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Determination of Trace Amount of Diphenylarsinic Acid in Well Water and Seawater by Solid-Phase Extraction-Graphite-Furnace Atomic Absorption Spectrometry

Autor: Miyako Sibata, Seiichi Ueno, Toshikazu Kaise, Miki Nakamura, Tatsumi Kitamura, Mutsuo Ishizaki

Publikováno v: BUNSEKI KAGAKU. 54:701-705

固相抽出法により簡便にジフェニルアルシン酸（DPAA）を単離・濃縮し，はん用性の高い黒鉛炉原子吸光法で測定する検討を行った．DPAA溶液20 μlと0.025％マグネシウム液 20 μlを黒鉛炉原�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4c2cc6d8477e9fbb0e72c3b5cb8d149
https://doi.org/10.2116/bunsekikagaku.54.701

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Determination of diphenylarsenic compounds related to abandoned chemical warfare agents in environmental samples

Autor: Shigeyuki Hanaoka, Koji Nomura, Mutsuo Ishizaki, Eiko Nagasawa, Masaru Yamazawa

Publikováno v: Applied Organometallic Chemistry. 19:265-275

To elucidate the current extent of pollution of the environment with diphenylarsine chloride (DA, Clark I) and diphenylarsine cyanide (DC, Clark II), we have developed analytical procedures using gas and liquid chromatography and employed them to ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f2d44d6afee8abfd35afca9cb578217
https://doi.org/10.1002/aoc.790

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Detection of Bis(diphenylarsine)oxide, Diphenylarsinic Acid and Phenylarsonic Acid, Compounds Probably Derived from Chemical Warfare Agents, in Drinking Well Water

Autor: Mikio Doy, Seiichi Ueno, Michihiko Komuro, Tatsumi Kitamura, Akira Tamaoka, Nobuhiro Shimojo, Akira Honda, Eiko Nagasawa, Kazuhiro Ishii, Miyako Shibata, Mutsuo Ishizaki, Miki Nakamura, Shigeyuki Hanaoka, Tadao Hakuta, Tsuyoshi Ogata, Tomoko Yanaoka

Publikováno v: Journal of Health Science. 51:130-137

The inhabitants living in a specific region of Kizaki area in Kamisu-town, Ibaraki Prefecture exhibited uncommon clinical central nervous system symptoms. A graphite furnace atomic absorption spectrophotometer detected markedly elevated concentration

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0dffc3cc2afb31e8fcd6ae991223e6e
https://doi.org/10.1248/jhs.51.130

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Screening of the Desmutagenic Capacity of an Extract from Crude Drug by Spore Rec-Assay

Autor: Seiichi Ueno, Mutsuo Ishizaki, Kazuko Aoki

Publikováno v: Journal of Health Science. 46:29-34

We investigated the desmutagenic action of extracts from Smilax rhizome, Mulberry bark and Berchemia racemosa on Trp-P-1 and Trp-P-2 by means of spore rec-assay. The results obtained are as follows : (1) 50% ethanol and ethanol extracts from each cru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::171652b4c4060bc185c0d44f0bf71549
https://doi.org/10.1248/jhs.46.29

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