期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 600, 期 1, 页码 170-178出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2014.937287
关键词
bovine serum albumin; Sensors; fluorescence; conjugated polymer dot; graphene oxide
资金
- National Research Foundation (NRF) grant - Korea government through Nuclear RD Project [2012M2A8A5025996]
- Human Resource Training Project for Regional Innovation [2012H1B8A2025978]
- National Research Foundation of Korea [22A20130000149, 2012H1B8A2025978, 2012M2A8A5025996] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Fluorescent conjugated polymers with various monomer compositions were synthesized via Suzuki coupling polymerization and spherically-shaped conjugated polymer dots (CPdot) with uniform size were prepared via conventional reprecipitation technique. Chemically modified graphene oxide (GO) was prepared to use as a component of sensor platform for protein detection. GO showed an excellent interaction with CPdot on its surface via hydrophobic interaction, which, in turn, induced the quenching of the fluorescence of CPdot. Upon exposure to bovine serum albumin (BSA), the quenched fluorescence was recovered, resulting from the release of CPdot from the complex with GO, as BSA adsorbed preferentially on the GO surface.
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