Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 24, Pages 6911-6914Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201602582
Keywords
Analytical methods; multianalyte; photonic crystals; sensors; structural color
Categories
Funding
- 973 Program [2013CB933004]
- National Nature Science Foundation [51203166, 51473172, 51473173]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09020000]
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A critical requirement for the successful recognition of multiple analytes is the acquisition of abundant sensing information. However, for this to be achieved requires massive chemical sensors or multiplex materials, which complicates the multianalysis. Thus, there is a need to develop a strategy for the facile and efficient recognition of multiple analytes. Herein, we explore the angle-dependent structural colors of photonic crystals to provide abundant optical information, thereby generating a rainbow-color chip to realize the convenient recognition of multiple analytes. By simply using a multiangle analysis method, the monophotonic crystal matrix chip can differentially enhance fluorescence signals over broad spectral ranges, thereby resulting in abundant sensing information for highly efficient multiple analysis. Twelve saccharides with similar structures, as well as saccharides in different concentrations and mixtures, were successfully discriminated.
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