Abstract
Signal amplification property and versatility in molecular design of conjugated polymers make them attractive as signal transduction materials. Cationic conjugated polymers (CCP) have demonstrated great potential as DNA-sensing materials since electrostatic interactions between CCP and negatively charged DNA have been well developed to modify optical properties and thereby detect hybridization states. In this chapter, we focus on the state-of-art of CCP-based non-amplified genomic DNA detection in homogenous solution as well as on microarray format. Representative applications of poly(thiophene)-based DNA sensors which display colorimetric output due to conformational changes, and poly(fluorene)-based DNA sensors which utilize CCP as energy donors are highlighted. The developments of amplified single nucleotide polymorphisms and DNA methylation detection employing CCP as sensory signal are briefly discussed. Integrated signal amplification effect of CCP with high-throughput DNA microarray format will yield superior platform for genomic DNA detection.
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Lv, F., Wang, S. (2012). Charged Conjugated Polymers. In: Spoto, G., Corradini, R. (eds) Detection of Non-Amplified Genomic DNA. Soft and Biological Matter. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1226-3_5
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