Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
Volume 10, Issue 4, Pages 173-190Publisher
ELSEVIER
DOI: 10.1016/j.jphotochemrev.2009.10.003
Keywords
Conjugated polymer; Conjugated polyelectrolyte; Fluorescence; Sensor; Biosensor; Quenching
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Funding
- Defense Threat Reduction Agency [W911NF-07-1-0079]
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Conjugated polyelectrolytes (CPEs) have become one of the most utilized materials in chemo- and bio-sensory systems. Useful properties of CPEs, such as amplified quenching effects and aggregation behavior, are illustrated in detail in order to provide guidelines for underlying concepts of CPE-based sensors. Well established sensing mechanisms, such as conformational changes and fluorescence resonance energy transfer, are reviewed with representative examples. Target species include small ions, small biomolecules, proteins, enzymatic activities, and DNA. New and unique mechanisms for CPE-based sensing are also described. (C) 2009 Elsevier B.V. All rights reserved.
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