A sugar-aza-crown ether-based fluorescent sensor for Hg2+ and Cu2+

Yu Chi Hsieh, Jiun Ly Chir, Hsiu Han Wu, Po Sheng Chang, An Tai Wu

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

A fluorescent sensor, 5, based upon the sugar-aza-crown ether structure with two anthracenetriazolymethyl groups was prepared and its fluoroionophoric properties toward transition metal ions were investigated. In methanol, the sensor exhibits highly selective recognition of Cu2+ and Hg2+ ions among a series of tested metal ions. The association constant for 5·Cu2+ and 5·Hg2+ in methanol was calculated to be 4.0 × 105 M-1 and 1.1 × 105 M-1, respectively. The detection limits for the sensing of Cu2+ and Hg2+ ions were 1.39 × 10-6 M and 1.39 × 10-5 M, respectively.

Original languageEnglish
Pages (from-to)2236-2239
Number of pages4
JournalCarbohydrate Research
Volume344
Issue number16
DOIs
Publication statusPublished - 2009 Nov 2

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Crown Ethers
Sugars
Metal ions
Methanol
Ions
Sensors
Transition metals
Metals
Limit of Detection

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Organic Chemistry

Cite this

Hsieh, Yu Chi ; Chir, Jiun Ly ; Wu, Hsiu Han ; Chang, Po Sheng ; Wu, An Tai. / A sugar-aza-crown ether-based fluorescent sensor for Hg2+ and Cu2+. In: Carbohydrate Research. 2009 ; Vol. 344, No. 16. pp. 2236-2239.
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A sugar-aza-crown ether-based fluorescent sensor for Hg2+ and Cu2+. / Hsieh, Yu Chi; Chir, Jiun Ly; Wu, Hsiu Han; Chang, Po Sheng; Wu, An Tai.

In: Carbohydrate Research, Vol. 344, No. 16, 02.11.2009, p. 2236-2239.

Research output: Contribution to journalArticle

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AU - Wu, An Tai

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