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Cation identity dependence of crown ether photonic crystal Pb<sup>2+</sup> sensing

Yan, F and Asher, S (2007) Cation identity dependence of crown ether photonic crystal Pb<sup>2+</sup> sensing. Analytical and Bioanalytical Chemistry, 387 (6). 2121 - 2130. ISSN 1618-2642

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We quantitatively modeled the volume phase transition of a hydrogel containing a crystalline colloidal array with a crown ether ligand which binds Pb2+. The hydrogel volume response and the wavelength diffracted depend on the Pb2+ concentration and on both the ionic strength and the valence of the nonbinding ionic species. We successfully modeled the response of this hydrogel Pb2+ sensor to ionic strength and the cation valence of the added salts. [Figure not available: see fulltext.]. © Springer-Verlag 2007.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Yan, F
Asher, Sasher@pitt.eduASHER
Date: 1 March 2007
Date Type: Publication
Journal or Publication Title: Analytical and Bioanalytical Chemistry
Volume: 387
Number: 6
Page Range: 2121 - 2130
DOI or Unique Handle: 10.1007/s00216-006-1088-8
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 1618-2642
MeSH Headings: Cations, Divalent--chemistry; Chromones; Crown Ethers--chemistry; Crystallization; Lead--chemistry; Osmolar Concentration; Photochemistry; Solutions
PubMed ID: 17333156
Date Deposited: 08 Feb 2013 21:02
Last Modified: 22 Jun 2021 13:55


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