화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2019년 가을 (10/30 ~ 11/01, 제주국제컨벤션센터(ICC JEJU))
권호 23권 2호
발표분야 포스터_정밀화학
제목 Detection of Flavonoids using β-Cyclodextrin (β-CD) derivatives introduced SERS-based Nanosensors
초록 Ethylenediamine-conjugated β-Cyclodextrins (EN-β-CD) were introduced on the surface of silver nanoparticles-embedded silica nanoparticles (SiO2@Ag@EN-β-CD NPs) as a capturing ligand of flavonoids. The Ag NPs embedded structure provides hot spots and the surface-enhanced Raman scattering (SERS) signals are obtained. EN-β-CDs on the Ag NPs form complexes with flavonoids by host-guest inclusion. In this study, the prepared SiO2@Ag@EN-β-CD NPs were reacted with several flavonoids, such as quercetin, hesperetin, naringenin, and luteolin. And their Raman scattering signals were measured. Among them, luteolin showed the best working range (10-7 to 10-3 M) than other organic compounds. The signal was maintained even after five times of washing.
저자 김윤희, 함은일, 조아라, 안재현, 성보미, 전봉현
소속 건국대
키워드 Flavonoids; Cyclodextrin; Surface-enhanced Raman scattering (SERS)
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