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A new fluorogenic benzothiazolyl ionophore based upon calix[4]arene-crown-5 ether for calcium determination in aqueous media
- Authors
- Kim, Young Hee; Cha, Na Ri; Chang, Suk-Kyu
- Issue Date
- May-2002
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- fluoroionophore; calix[4]-crown ether; benzothiazole; Ca2+-selectivity; aqueous media
- Citation
- TETRAHEDRON LETTERS, v.43, no.21, pp 3883 - 3886
- Pages
- 4
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 43
- Number
- 21
- Start Page
- 3883
- End Page
- 3886
- ISSN
- 0040-4039
- Abstract
- A new benzothiazolyl functionalized ionophore based upon the cafix[4]arene-crown-5 ether has been prepared and its fluoroionophoric properties toward Ca2+ ions were investigated. The compound exhibited a pronouncedly selective fluoroionophoric behavior toward Ca2+ ions were among those surveyed physiologically important metal ions of Na+. K+. and Mg2+. Detection limit for Ca2+ ions was found to be 9x10(-5) M in dioxane water (80:20. v.v) solution. (C) 2002 Elsevier Science Ltd. All rights reserved.
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Collections - College of Natural Sciences > Department of Chemistry > 1. Journal Articles
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