Theory and Practise of Rapid Flow-Through Analysis Based on Optode Detection and Its Application to pH Measurement as a Model Case

Hideaki Hisamoto; Michiko Tsubuku; Takuya Enomoto; Kazuhiko Watanabe; Haruma Kawaguchi; Yasuhiro Koike; Koji Suzuki

Theory and Practise of Rapid Flow-Through Analysis Based on Optode Detection and Its Application to pH Measurement as a Model Case

Hideaki Hisamoto, Michiko Tsubuku, Takuya Enomoto, Kazuhiko Watanabe, Haruma Kawaguchi, Yasuhiro Koike, Koji Suzuki

Research output: Contribution to journal › Article › peer-review

Abstract

Rapid flow-through analysis (RFA) based on optode (optical chemical sensor) detection is proposed, and its performance is discussed using the RFA system equipped with a pH-sensitive optode as a model case. To demonstrate and understand the usefulness of the RFA system, long-lifetime pH-sensitive optodes were prepared using a hydrophilic poly(hydroxyethyl methacrylate) (poly-HEMA) membrane covalently immobilized with a dye containing an amino group such as Congo Red or Nile Blue. The response equation for the optode with the RFA system was proposed, and satisfactory estimation for rapid pH analysis was obtained. The proposed RFA can stand as an advanced method for conventional flow injection analysis.

Original language	English
Pages (from-to)	3871-3878
Number of pages	8
Journal	Analytical chemistry
Volume	68
Issue number	21
Publication status	Published - 1996 Nov 1

ASJC Scopus subject areas

Analytical Chemistry

Cite this

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abstract = "Rapid flow-through analysis (RFA) based on optode (optical chemical sensor) detection is proposed, and its performance is discussed using the RFA system equipped with a pH-sensitive optode as a model case. To demonstrate and understand the usefulness of the RFA system, long-lifetime pH-sensitive optodes were prepared using a hydrophilic poly(hydroxyethyl methacrylate) (poly-HEMA) membrane covalently immobilized with a dye containing an amino group such as Congo Red or Nile Blue. The response equation for the optode with the RFA system was proposed, and satisfactory estimation for rapid pH analysis was obtained. The proposed RFA can stand as an advanced method for conventional flow injection analysis.",

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AU - Watanabe, Kazuhiko

AU - Kawaguchi, Haruma

AU - Koike, Yasuhiro

AU - Suzuki, Koji

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AB - Rapid flow-through analysis (RFA) based on optode (optical chemical sensor) detection is proposed, and its performance is discussed using the RFA system equipped with a pH-sensitive optode as a model case. To demonstrate and understand the usefulness of the RFA system, long-lifetime pH-sensitive optodes were prepared using a hydrophilic poly(hydroxyethyl methacrylate) (poly-HEMA) membrane covalently immobilized with a dye containing an amino group such as Congo Red or Nile Blue. The response equation for the optode with the RFA system was proposed, and satisfactory estimation for rapid pH analysis was obtained. The proposed RFA can stand as an advanced method for conventional flow injection analysis.

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Theory and Practise of Rapid Flow-Through Analysis Based on Optode Detection and Its Application to pH Measurement as a Model Case

Abstract

ASJC Scopus subject areas

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