Analytical chemistry 2003-04-01

Photonic crystal aqueous metal cation sensing materials.

Sanford A Asher, Anjal C Sharma, Alexander V Goponenko, Michelle M Ward

Index: Anal. Chem. 75(7) , 1676-83, (2003)

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Abstract

We developed a polymerized crystalline colloidal array photonic material that senses metal cations in water at low concentrations (PCCACS). Metal cations such as Cu2+, Co2+, Ni2+, and Zn2+ bind to 8-hydroxyquinoline groups covalently attached to the PCCACS. At low metal concentrations (