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Determination of azide in biological fluids by use of electron paramagnetic resonance
http://hdl.handle.net/10271/41
http://hdl.handle.net/10271/4195a40ef8-3e11-4f6d-acb5-605775113537
名前 / ファイル | ライセンス | アクション |
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ACA-05-619.pdf (119.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-08-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Determination of azide in biological fluids by use of electron paramagnetic resonance | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Azide | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Electron paramagnetic resonance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Copper | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Blood | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Urine | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Minakata, Kayoko
× Minakata, Kayoko× Suzuki, Osamu |
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書誌情報 |
en : Analytica Chimica Acta 巻 554, 号 1-2, p. 202-206, 発行日 2005-12-04 |
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出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (C) Elsevier | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A simple and sensitive method has been developed for the determination of azide ion (N3 - ) in biological fluids and beverages. The procedure was based on the formation of a ternary complex Cu(N3)2(4-methylpyridine)x in benzene, followed by its detection by electron paramagnetic resonance. The complex in benzene showed a characteristic four-peak hyperfine structure with a g-value of 2.115 at room temperature. Cu2+ reacted with N3 - most strongly among common metals found in biological fluids. Several anions and metal ions in biological fluids did not interfere with the determination of N3 - in the presence of large amounts of Cu2+ and oxidants. In the present method, N3 - at the concentration from 5 μM to 2 mM in 100 μl solution could be determined with the detection limit of 20 ng. The recoveries were more than 95 % for N3 - added to 100 μl of blood, urine, milk and beverages at 200 μM. Our method is recommendable because it takes less than 10 min to determine N3 - and the produced complex is quite stable. | |||||
言語 | en | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0003-2670 | |||||
EISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 1873-4324 | |||||
出版社DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.aca.2005.08.039 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |