Výsledky vyhledávání - "Keiichiro Kimura"

Behavior of Humic Substances and Algal Dissolved Organic Matter as Precursors of Trihalomethane in Lake Biwa

Autor: Etsu Yamada, Keiichiro Kimura, Shinya Ohara, Shohei Fujiwara, Takashi Uehara, Tetsuro Yoshida, Hirotaka Mizuguchi, Yasuro Fuse

Publikováno v: BUNSEKI KAGAKU. 58:231-240

2006年12月から琵琶湖水を採水し，湖水中の溶存有機物質（DOM）を疎水性樹脂（DAX-8）で疎水性酸（HoA），疎水性中性物質（HoN）及び親水性有機物質（Hi）にカラム分画し，DOM及びその画分

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::510a3644a8efa8c3a35fd1baf31da493
https://doi.org/10.2116/bunsekikagaku.58.231

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Structural change of a polymeric hindered amine light stabilizer in polypropylene during UV-irradiation studied by reactive thermal desorption-gas chromatography

Autor: Toshio Yoshikawa, Keiichiro Kimura, Yasuyuki Ishida, Hajime Ohtani, Hideki Matsubara, Yoshihiko Taguchi, Shin Tsuge

Publikováno v: Polymer Degradation and Stability. 83:221-227

The structural changes of a polymeric hindered amine light stabilizer (HALS), Adekastab LA-68LD (MW=1900) added in PP materials during UV-irradiation were investigated by reactive thermal desorption-gas chromatography (RTD-GC) in the presence of tetr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b694de6427a9809ddf7f48b0f3553710
https://doi.org/10.1016/s0141-3910(03)00264-7

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Highly sensitive determination of a polymeric hindered amine light stabilizer in polypropylene by reactive thermal desorption–gas chromatography using nitrogen-specific detection

Autor: Hajime Ohtani, Yasuyuki Ishida, Shin Tsuge, Toshio Yoshikawa, Keiichiro Kimura, Yoshihiko Taguchi

Publikováno v: Journal of Chromatography A. 993:137-142

Highly sensitive and specific determination of trace amounts of a polymeric hindered amine light stabilizer (HALS) in polypropylene (PP) materials could be established by improving reactive thermal desorption-gas chromatography (RTD-GC) in the presen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ad85e6e8bd8e3c397eec4427b036134
https://doi.org/10.1016/s0021-9673(03)00323-6

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Direct determination of a polymeric hindered amine light stabilizer in polypropylene by thermal desorption–gas chromatography assisted by in-line chemical reaction

Autor: Hajime Ohtani, Yoshihiko Taguchi, Keiichiro Kimura, Toshio Yoshikawa, Shin Tsuge, Yasuyuki Ishida

Publikováno v: The Analyst. 125:465-468

A method to determine a polymeric hindered amine light stabilizer (HALS), Adekastab LA-68LD, in polypropylene (PP) was developed on the basis of reactive thermal desorption–gas chromatography (RTD-GC) in the presence of an organic alkali, tetrameth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a56930e2ee38ebe64a31cca76acb4b1d
https://doi.org/10.1039/a908687k

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Characterization of fluorophores released from three kinds of lake phytoplankton using gel chromatography and fluorescence spectrophotometry

Autor: Shinya Ohara, Yasuro Fuse, Shinichi Aoki, Keiichiro Kimura, Hirotaka Mizuguchi, Etsu Yamada

Publikováno v: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry. 24(11)

Three kinds of phytoplankton were cultivated, and the contribution of dissolved organic matter (DOM) released from the phytoplankton was examined to clarify the cause of organic pollution of Lake Biwa. Microcystis aeruginosa, Staurastrum dorcidentife

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88c38fdf9d1328f75afcfa4e12dde547
https://pubmed.ncbi.nlm.nih.gov/18997376

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Characterization of dissolved organic matter released from Microcystis aeruginosa

Autor: Shinichi Aoki, Yasuro Fuse, Keiichiro Kimura, Hirotaka Mizuguchi, Shinya Ohara, Etsu Yamada

Publikováno v: Analytical sciences : the international journal of the Japan Society for Analytical Chemistry. 24(3)

The contribution of dissolved organic matter (DOM) released from phytoplankton (Microcystis aeruginosa) during cultivation and biodegradation was examined to clarify the causes of the organic pollution of Lake Biwa. Two peaks, peak 2 (retention time

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d959bf5a7d6c8c8269990134702f5014
https://pubmed.ncbi.nlm.nih.gov/18332548

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Guest Binding, Cellular Uptake, and Molecular Delivery of Water-soluble Cyclophanes Having a Pyrene Moiety

Autor: Osamu Hayashida, Kosei Shioji, Tomomi Nakashima, Chika Eguchi, Keiichiro Kimura, Yu Oyama

Publikováno v: Chemistry Letters. 39:1321-1322

Cationic water-soluble cyclophane bearing a pyrene 1 was synthesized as a host for inclusion of anionic guest molecules. Cationic host 1 was found to be incorporated into human hepatoblastome HepG2...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0112485ed92a9f4d9fce32a1bdd9682
https://doi.org/10.1246/cl.2010.1321

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Carbon-13 nuclear magnetic resonance study of ethylene-1-octene and ethylene-4-methyl-1-pentene copolymers

Autor: Keiichiro Kimura, Yasumitsu Maru, Sakae Yuasa

Publikováno v: Polymer. 25:441-446

Detailed assignments of 13 C n.m.r. signals of ethylene-1-octene and ethylene-4-methyl-1-pentene copolymers, members of the linear low-density polyethylene (LLDPE) family, are presented. The equations relating signal intensities to the monomer sequen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70a403e3ff4460d40d33dd3ecf7e239e
https://doi.org/10.1016/0032-3861(84)90199-x

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