Search Results - "Murayama, Mitsunori"

The Japanese regulation on residual veterinary drugs and feed additives in foodstuffs by Murayama, Mitsunori

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Determination method for ractopamine in swine and cattle tissues using LC/MS by Sakai, T.(National Inst. of Health Sciences, Tokyo (Japan)), Hitomi, T, Sugaya, K, Kai, S, Murayama, M, Maitani, T

“…Simple and reliable methods using LC/MS have been developed for the determination of the beta-agonist ractopamine in swine and cattle tissues. Ractopamine was…”
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Use and regulation of veterinary drugs in Japan and many foreign countries by Horie, Masakazu, Murayama, Mitsunori

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Liquid Chromatographic Determination of Nitro-Substituted Polynuclear Aromatic Hydrocarbons by Sequential Electrochemical and Fluorescence Detection by Murayama, Mitsunori, Dasgupta, Purnendu K

“…Nitro-substituted polynuclear aromatic hydrocarbons occur in ambient suspended particulate matter and are of special concern because they act as direct…”
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食品中の残留動物用医薬品の規制 by 村山, 三徳

“…食品に残留する動物用医薬品および飼料添加物に対する規制は, 食の安全への要求の高まりと, 分析技術の進歩を受けて, 1990年以降急速に拡充されてきた. 1960年代に原則無残留規制がしかれて以降, 毒性評価結果から残留基準を設定する体制に移行し, さらにはいわゆるポジティブリスト制へ移行してきたが,…”
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Some Sulfur-Containing Metabolites of Tri-n-butyltin Chloride in Male Rats by Suzuki, Takashi, Kondo, Kazunari, Uchiyama, Mitsuru, Murayama, Mitsunori

“…In an attempt to elucidate metabolic destination of TBTO, sulfur-containing metabolites were investigated in the urine. Tri-n-butyltin chloride (TBTC),…”
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Accumulation, Metabolism, and Depuration of Organotin Compounds in the Marine Mussels Mytilus graynus and Mytilus edulis under Natural Conditions by Suzuki, Takashi, Yamamoto, Isao, Yamada, Hisashi, Kaniwa, Nahoko, Kondo, Kazunari, Murayama, Mitsunori

“…The accumulation, transformation, and depuration of tri-n-butyltin (TBT) were studied over periods of ∼60−70 days using marine mussels, Mytilus graynus and…”
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Chemical Species of Organotin Compounds in Sediment at a Marina by Suzuki, Takashi, Kondo, Kazunari, Uchiyama, Mitsuru, Murayama, Mitsunori

“…A bottom sediment collected in a marina was analyzed for organotin species, and >20 organotin compounds including biodegraded ones were confirmed by comparison…”
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The Japanese Regulation on Residual Veterinary Drugs and Feed Additives in Foodstuffs by MURAYAMA, Mitsunori

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Accumulation, Transformation, and Elimination of Bis(tri-n-butyltin) Oxide in Red Sea Bream, Pagrus major, under Laboratory Conditions by Yamamoto, Isao, Nishimura, Kazuhiko, Suzuki, Takashi, Takagi, Kayoko, Yamada, Hisashi, Kondo, Kazunari, Murayama, Mitsunori

“…Red sea bream (Pagrus major) were exposed to bis(tri-n-butyltin) oxide (TBTO), and accumulation, transformation, and excretion of TBTO in the muscle, liver,…”
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LC-MS/MSによる畜水産食品中のビコザマイシンの定量 by 藤田, 和弘, 仲西, 亜希子, 石原, 三知代, 伊藤, 裕信, 中村, 宗知, 渡井, 正俊, 谷口, 誠, 村山, 三徳

“…LC-MS/MSによる畜水産食品中のビコザマイシン(BZM)の分析法を開発した．試料中からアセトニトリル-水(4 : 1)でBZMを抽出し，2段階の固相抽出カートリッジにより，濃縮，精製を行った．第一段階ではスチレン-ジビニルベンゼン共重合体カートリッジ(GL-Pak…”
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LC/MSによる畜産物中のセデカマイシンおよびテルデカマイシンの同時分析法 by 八津川, 洋一, 藤田, 和弘, 中村, 宗知, 渡井, 正俊, 村山, 三徳, 米谷, 民雄

“…LC/MSを用いたセデカマイシン(SCM)およびテルデカマイシン(TDM)の同時分析法を開発した．SCMおよびTDMをアセトニトリルで抽出し，n-ヘキサンで脱脂後，試料溶液を調製した．MSはESI，ポジティブモードで，LCの移動相には炭酸-アンモニア緩衝液(pH…”
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LC/MSによる豚および牛組織中のラクトパミンの分析法 by 坂井, 隆敏, 人見, ともみ, 菅谷, 京子, 甲斐, 茂美, 村山, 三徳, 米谷, 民雄

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LC/MS/MSによるハチミツおよびローヤルゼリー中のテトラサイクリン系抗生物質の分析 by 石井, 里枝, 堀江, 正一, 村山, 三徳, 米谷, 民雄

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LC/MS/MSによるハチミツおよびローヤルゼリー中のクロラムフェニコールの分析 by 石井, 里枝, 堀江, 正一, 村山, 三徳, 米谷, 民雄

“…高速液体クロマトグラフィー-エレクトロスプレーイオン化/質量分析計(LC-ESI-MS/MS)を用いたハチミツおよびローヤルゼリー中のクロラムフェニコール(CAP)の高感度，選択的な分析法を検討した．LC/MS/MS条件はネガティブモード，MRMで，LC条件はカラムにMightysil RP-18GPを，移動相に10…”
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Determination of Spiramycin I and Its Primary Metabolite Neospiramycin I in Meat, Milk and Fish by HPLC by HORIE, Masakazu, KIDO, Yasumasa, MURAYAMA, Mitsunori, TOYODA, Masatake, NAKAZAWA, Hiroyuki

“…A simple and rapid method using HPLC for the determination of spiramycin I (major and most important component) and its metabolite, neospiramycin I, in meat,…”
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Determination of residual isometamidium in cattle tissues and milk by HPLC by Kondo, K. (National Inst. of Hygienic Sciences, Tokyo (Japan)), Horie, M, Murayama, M, Suzuki, T, Toyoda, M

“…A determination method for the antitripanosomal agent, isometamidium (IMD) in cattle muscle, liver, fat and milk has been developed by using HPLC. The drug was…”
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Analytical method for residual oxytetracycline in livestock and marine products by Fujita, K. (Japan Food Research Labs., Tokyo), Ito, K, Araki, E, Tanno, K, Murayama, S, Saito, Y

“…An analytical method for residual oxytetracycline (OTC) in livestock and marine products was evaluated. OTC was extracted from a sample with McIlvaine buffer…”
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Determination of Selenium in Bulk Prednisolone by Ion Chromatography by MURAYAMA, Mitsunori, SUZUKI, Masao, TAKITANI, Shoji

“…A method for the determination of selenium by ion chromatography (IC) after oxygen flask combustion has been developed and applied to the determination of…”
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Biological method for residual tetracyclines in propolis by Fujita, K. (Japan Food Research Lab., Nagoya. Nagoya Branch), Ito, K, Takayama, M, Tanno, K, Murayama, M, Saito, Y

“…A biological method for residual tetracyclines (TCs) in propolis was evaluated. Oxytetracycline (OTC), tetracycline (TC) and chlortetracycline (CTC) were…”
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