| 학회 |
한국고분자학회 |
| 학술대회 |
2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터) |
| 권호 |
46권 2호 |
| 발표분야 |
고분자 가공/복합재료 |
| 제목 |
UV-crosslinked MXene composite hydrogel for selective detection of dopamine |
| 초록 |
Monitoring dopamine (DA) concentration is critical to diagnose diseases related to the central nervous system. 2D MXene, which is highly conductive and electrochemically active, has been investigated to detect DA. However, MXene oxidizes quickly in aqueous conditions hindering MXene from being widely applicable for biosensing applications. Herein, we report a composite of MXene and poly (ethylene glycol) diacrylate (PEGDA), which enables selective detection of DA. PEGDA is a porous, UV-cross-linkable material with a low degradation rate, protecting MXene from oxidation in aqueous conditions. Also, the porous composite structure facilitates electrochemical detection of DA. Cyclic voltammetry (CV) and Differential pulse voltammetry (DPV) confirmed that the composite could detect DA up to 125 nM. The limit of detection (LOD) is estimated to be lower than 50 nM, suggesting out MXene composite hydrogel would be further applicable for detecting neurotransmitters sensitively but selectively. |
| 저자 |
박성균, 고승현, 윤유상, 이이재, 김선준, 성혜정
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| 소속 |
한국과학기술(연) |
| 키워드 |
PEG hydrogels; MXene; Photopolymerization
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| E-Mail |
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