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Simultaneous monitoring of inorganic cations, amines and amino acids in human sweat by capillary electrophoresis

https://hiroshima.repo.nii.ac.jp/records/2006200
https://hiroshima.repo.nii.ac.jp/records/2006200
58486f2b-86d9-4096-b754-a4612012134c
名前 / ファイル ライセンス アクション
ACA_581-1_83.pdf ACA_581-1_83.pdf (200.0 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Simultaneous monitoring of inorganic cations, amines and amino acids in human sweat by capillary electrophoresis
言語 en
作成者 Hirokawa, Takeshi

× Hirokawa, Takeshi

en Hirokawa, Takeshi

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Okamoto, Hikaru

× Okamoto, Hikaru

en Okamoto, Hikaru

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Gosyo, Yoshinori

× Gosyo, Yoshinori

en Gosyo, Yoshinori

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Tsuda, Takao

× Tsuda, Takao

en Tsuda, Takao

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Timerbaev, Andrei R.

× Timerbaev, Andrei R.

en Timerbaev, Andrei R.

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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
権利情報
権利情報 Copyright (c) 2006 Elsevier B.V.
主題
主題Scheme Other
主題 Human sweat
主題
主題Scheme Other
主題 Capillary electrophoresis
主題
主題Scheme Other
主題 Sampling
主題
主題Scheme Other
主題 Cations
主題
主題Scheme Other
主題 Amino acids
主題
主題Scheme Other
主題 Amines
主題
主題Scheme NDC
主題 430
内容記述
内容記述 The determination of cationic constituents of sweat is widely recognized as a difficult analytical task due to its complex composition and minute sample volumes available for the individual analysis. Capillary electrophoresis (CE) has been evaluated as a simple routine method to measure sweat metal cations, biogenic amines, and amino acids using a sampling procedure previously developed in one of collaborative teams. The carrier electrolyte, which consisted of 10 mM 4-methylbenzylamine, 6.5 mM α-hydroxyisobutyric acid, and 2 mM 18-crown-6 at pH 4.25 allowed the separation of five cations (NH4+, K+, Ca2+, Na+, Mg2+) and four amino acids (ornithine, histidine, lysine, arginine) to be completed in about 13 min with a positive polarity of the applied voltage (30 kV). By increasing the sample volume (due to employing hydrodynamic instead of hydrostatic injection mode), it was also possible to detect indirect UV signals of Zn2+, diethanolamine, and trietanolamine. Sweat samples were collected from the fingers and forearms of three healthy male volunteers and analyzed by CE. A good repeatability and reproducibility of peak area responses based on five intraday and three inter-day assays (average %RSD less than 3.5 and 2.5, respectively) were obtained. The limits of detection were in the range of 3.2-5.8 μM for alkali and alkaline-earth cations (hydrostatic injection) and 0.27-0.79 μM for other target analytes (hydrodynamic injection). The analytical results for particular analytes were found to vary, depending on the sampling spot and individual, but in general correspond well to clinical concentration ranges.
言語 en
出版者
出版者 Elsevier Science B.V.
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
出版タイプ
出版タイプ AO
出版タイプResource http://purl.org/coar/version/c_b1a7d7d4d402bcce
関連情報
識別子タイプ DOI
関連識別子 10.1016/j.aca.2006.07.077
関連情報
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1016/j.aca.2006.07.077
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0003-2670
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA00524834
開始ページ
開始ページ 83
書誌情報 Analytica Chimica Acta
Analytica Chimica Acta

巻 581, 号 1, p. 83-88, 発行日 2007-01-02
旧ID 20606
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