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Conferences > Sensors > 2012 > STh1B > STh1B.5

Colorimetric detection of ultratrace cholesterol by free standing inverse opal hydrogel films

Xiaomei Zeng, Zehui Du, and Jan Ma

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Abstract

Free-standing inverse opal hydrogel films were constructed to colorimetrically detect ultratrace cholesterol. The detection level at 10−9 M has been demonstrated striking color change with 26nm shift of reflectance peak.

© 2012 Optical Society of America

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