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Cholong KIM,Hyeyeon HUR,Seungju OH,Jongmin YANG,Seongchul SHIN,Gillhwan KIM,Dhanashri DESAI,Hyunho LEE 한국생물공학회 2021 한국생물공학회 학술대회 Vol.2021 No.10
Today, waste plastics after humans usage frequently causes serious environmental problems and their detection methods have been lagged due to many obstacles. In this study, using polystyrene binding peptide (PSBP), which was combined into micropatterns having gold nanorods (Au NRs), microplastic detection system was developed from lithographic trimethylolpropane ethoxylate triacrylate (ETPTA) micropatterning. Au NRs could amplify the peak of polystyrene (PS) microplastics under FT-IR spectroscopy, which could make PS detection more efficiently. Its effect is believed to be a plasmonic origin and it could detect microplastics in low PS concentration to solve problem associated with vibrational spectroscopic detection.