A new microfluidic polymer chip with an embedded cationic surfactant ion-selective optode as a detector for the determination of cationic surfactants

Mekonnen Abiyot Ashagre, Takashi Masadome

研究成果: Article査読

5 被引用数 (Scopus)

抄録

A new microfluidic polymer chip with an embedded cationic surfactant (CS) ion-selective optode (CS-optode) as a detector of flow-injection analysis (FIA) for the determination of CSs was developed. The optode sensing membrane is based on a poly(vinyl chloride) membrane plasticized with 2-nitrophenyl octyl ether containing tetrabromophenolphthalein ethyl ester. Under the optimal flow conditions of the FIA system, the CS-optode showed a good linear relationship between the peak heights in the absorbance, and the concentrations of CS in a concentration range from 50 to 400 μmol dm-3. The sample throughput of the present system for the determination of a CS ion (300 μmol dm-3 zephiramine) was ca. 11 samples h-1. The proposed FIA system was applied to determine the level of CS in dental rinses.

本文言語English
ページ(範囲)195-199
ページ数5
ジャーナルAnalytical Sciences
34
2
DOI
出版ステータスPublished - 2018 1 1

ASJC Scopus subject areas

  • 分析化学

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