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Direct Fluorescent Detection of Ultratrace Lanthanide(III) Ions Complexed with Aromatic Polyaminocarboxylate Avoiding Quenching of Ligand-Centered Emission Using Capillary Zone Electrophoresis with Ternary Complexing Technique
https://sucra.repo.nii.ac.jp/records/13139
https://sucra.repo.nii.ac.jp/records/131395fe8c9c1-1dd8-4ab8-9869-36d9d07ea49f
名前 / ファイル | ライセンス | アクション |
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A1002471.pdf (268.2 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 | Direct Fluorescent Detection of Ultratrace Lanthanide(III) Ions Complexed with Aromatic Polyaminocarboxylate Avoiding Quenching of Ligand-Centered Emission Using Capillary Zone Electrophoresis with Ternary Complexing Technique | |||||
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 |
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著者 ローマ字 | ||||||
Saito, Shingo | ||||||
著者 ローマ字 | ||||||
Takeuchi, Shingo | ||||||
著者 ローマ字 | ||||||
Yoshimoto, Keitaro | ||||||
著者 ローマ字 | ||||||
Maeda, Mizuo | ||||||
著者 ローマ字 | ||||||
Aoyama, Masakazu | ||||||
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 132, 号 3, p. 237-241, 発行日 2007 |
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年月次 | ||||||
2007 | ||||||
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 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1039/b613534j http://www.rsc.org/publishing/jou | |||||
関連サイト | ||||||
内容記述タイプ | Other | |||||
内容記述 | http://www.rsc.org/publishing/journals/AN/article.asp?doi=b613534j | http://www.rsc.org/publishing/journals/AN/article.asp?doi=b613534j | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The ultratrace level detection and the separation of lanthanide ions Ln_<3+>) were achieved using capillary zone electrophoresis with laser induced fluorescent detection (CZE-LIF) using an aromatic polyaminocarboxylate ligand synthesized in our previous work. The ligand forms kinetically stable Ln complexes at the pre-capillary derivatizing step. It effectively avoids quenching processes of the ligand-centered fluorescence through complexation with Ln_<3+>without paramagnetic and heavy atom effects because of the distance between the chelating and the antenna moieties. During the on-capillary separation step, the mother Ln complexes competitively form ternary complexes with the auxiliary ligands, iminodiacetate and citrate, which provide different mobilities for each of the Ln_<3+> complexes. The emissively labeled Ln_<3+> complexes were efficiently separated, based on the ternary complex equilibrium. Since the carrier buffer employed was free from emissive ligands, a high signal to noise ratio was obtained. A lower detection limit of 9.1 x 10(-11) mol dm(-3) (15.6 ng dm(-3), 0.46 attomole as an amount basis) was successfully achieved typically for Lu3+ with a simple CZE mode. We propose a combination of a pre-capillary and an on-capillary complexing technique as a method that provides both high sensitivity and high resolution. | |||||
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 | ||||||
A1002471 |