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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Evaluation of an ODS Column Modified with Zwitterionic/Nonionic Mixed Surfactants and Its Application to Direct Injection Determination of Inorganic Anions

http://hdl.handle.net/2237/8754
http://hdl.handle.net/2237/8754
95486beb-4026-4c8e-a9e3-1ce19f9915ae
名前 / ファイル ライセンス アクション
v21_n_8_913-916.pdf v21_n_8_913-916.pdf (75.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-09-14
タイトル
タイトル Evaluation of an ODS Column Modified with Zwitterionic/Nonionic Mixed Surfactants and Its Application to Direct Injection Determination of Inorganic Anions
言語 en
著者 HASEGAWA, Takuya

× HASEGAWA, Takuya

WEKO 19101

en HASEGAWA, Takuya

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UMEMURA, Tomonari

× UMEMURA, Tomonari

WEKO 19102

en UMEMURA, Tomonari

Search repository
KOIDE, Akira

× KOIDE, Akira

WEKO 19103

en KOIDE, Akira

Search repository
CHIBA, Koichi

× CHIBA, Koichi

WEKO 19104

en CHIBA, Koichi

Search repository
UEKI, Yuji

× UEKI, Yuji

WEKO 19105

en UEKI, Yuji

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TSUNODA, Kin-ichi

× TSUNODA, Kin-ichi

WEKO 19106

en TSUNODA, Kin-ichi

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HARAGUCHI, Hiroki

× HARAGUCHI, Hiroki

WEKO 19107

en HARAGUCHI, Hiroki

Search repository
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
抄録
内容記述 An octadecylsilica (ODS) column modified with zwitterionic/nonionic mixed surfactants was evaluated for the direct injection determination of inorganic anions in biological fluids by ion chromatography. A zwitterionic surfactant (sulfobetaine-type) and a nonionic surfactant (polyoxyethylene-type) were used for a stationary-phase modification. When aqueous electrolyte solutions with concentrations of sub-mM to several mM were used as a mobile phase, the zwitterionic surfactant coated on the ODS surface exhibited unique separation selectivity for ionic species, while the nonionic surfactant coated on the ODS might have formed a hydrophilic network over the ODS surface and restricted matrix proteins from adsorbing on the stationary phase. Consequently, the mixed surfactant-modified column system allowed an efficient ion chromatographic separation of inorganic anions as well as a size-exclusive removal of column-fouling proteins. This separation system was applied to the direct injection determination of UV-absorbing anions in human saliva. The detection limits for nitrite, nitrate, iodide and thiocyanate were 3.1, 2.7, 4.5 and 25 µM, respectively, with UV detection at 210 nm (injection volume; 20 µl), and their relative standard deviations for 5 replicate measurements of saliva samples spiked with 100 µM each of those anions were 1.4, 0.9, 2.2 and 5.5%, respectively.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 日本分析化学会
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.2116/analsci.21.913
ISSN
収録物識別子タイプ PISSN
収録物識別子 0910-6340
書誌情報 en : Analytical Sciences

巻 21, 号 8, p. 913-916, 発行日 2005-11
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/8754
識別子タイプ HDL
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