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Simultaneous Detection of [metal(II)-tpen]^<2+> as Kinetically Inert Cationic Complexes Using Pre-capillary Derivatization Electrophoresis: An Application to Biological Samples
https://sucra.repo.nii.ac.jp/records/13136
https://sucra.repo.nii.ac.jp/records/1313670e5ed67-7629-45df-b229-51123356302e
名前 / ファイル | ライセンス | アクション |
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A1002468.pdf (293.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-03-10 | |||||
タイトル | ||||||
タイトル | Simultaneous Detection of [metal(II)-tpen]^<2+> as Kinetically Inert Cationic Complexes Using Pre-capillary Derivatization Electrophoresis: An Application to Biological Samples | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
著者 |
齋藤, 伸吾
× 齋藤, 伸吾× Sasamura, Satoru× 星, 座 |
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著者 ローマ字 | ||||||
Saito, Shingo | ||||||
著者 ローマ字 | ||||||
Sasamura, Satoru | ||||||
著者 ローマ字 | ||||||
Hoshi, Suwaru | ||||||
著者 所属 | ||||||
北見工業大学工学部工学研究科環境化学講座環境分析研究室(現 : 埼玉大学大学院理工学研究科物質科学部門) | ||||||
著者 所属(別言語) | ||||||
Department of Applied and Environmental Chemistry, Kitami Institute of Technology | ||||||
著者 所属(別言語) | ||||||
Graduate School of Environmental Studies, Tohoku University | ||||||
書誌情報 |
Analyst 巻 130, 号 5, p. 659-663, 発行日 2005 |
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年月次 | ||||||
2005 | ||||||
出版者名 | ||||||
出版者 | Royal Society of Chemistry | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00032654 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A high resolution of doubly charged first row transition (Fe, Cu, Zn, Ni, Co, Mn) and heavy metal (Pb, Cd, Hg) ions was achieved in capillary electrophoresis (CE) with high sensitivity (sub-micromol dm^<-3> level), using NN,N'N'-tetrakis(2-pyridylmethyl)ethylenediamine ( TPEN) as a pre-capillary derivatizing agent. The non-charged reagent, TPEN, was applied to capillary zone electrophoresis (CZE) for the first time. Since complete spatial separation between the complexes and the ligand was carried out in a carrier buffer, which was free of TPEN, kinetic inertness of metal complexes was necessary for the detection in this pre-capillary method. All the nine listed metal complexes were detected: Ca^<2+>, Mg^<2+>, Al^<3+>, Fe^<3+>, and Co^<3+> complexes were undetectable. This, interestingly, suggests that those nine cations form kinetically inert tpen complexes without strong charge-charge interactions between the metal ion and the ligand. It is expected that the hard-soft-acid-base ( HSAB) principle governed the kinetics selectivity. With respect to the electrophoretic behavior, the addition of chloride ion and methanol to the carrier significantly improved the resolution. This is due to the formation of ternary complexes or ion aggregates and the solvation effect, respectively. These effects provided a satisfactory baseline resolution among the nine metal ions. An application to biological samples was demonstrated. Some metal ions in human serum and urine were successfully detected in a simple process without the need for deproteinization using a non-coated fused-silica capillary because of the differenciation in the direction of migration between organic matter and complexes. | |||||
注記 | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://www.rsc.org/publishing/journals/AN/article.asp?doi=b417394e | |||||
版 | ||||||
[著者版] | ||||||
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 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2008-03-10 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002468 |