期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 10, 页码 9129-9135出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b18039
关键词
Al2O3-coated silver nanorods; tape; SERS; pesticide detection; extraction
资金
- Basic Science Center Project of NSFC [51788104]
- China Academy of Engineering Physics [TCSQ2016203]
- Radiochemical Discipline 909 Funds by the China Academy of Engineering Physics [XK909-2]
- Natural Science Foundation of China [21501157, 51531006, 51572148]
- Ministry of Science and Technology of China [2016YFE0104000]
The efficient extraction of analytes from complex and severe environments is significant for promoting the surface-enhanced Raman scattering (SERS) technique to actual applications. In this paper, a proof-of-concept strategy is proposed for the rapid detection of pesticide residues by utilizing the flexible, transparent, and adhesive properties of commercial tapes and SERS performance of Al2O3-coated silver nanorod (AgNR@Al2O3) arrays. The function of tapes is to rapidly transfer the analytes from the actual surface to the SERS substrate. The novel tape-wrapped SERS (T-SERS) approach was constructed by a simple paste, peel off, and paste again procedure. The easily obtained but clearly distinguished SERS signals allow us to quickly determine the constituents of complex surfaces, such as tetramethylthiuram disulfide and thiabendazole pesticides from fruits and vegetables, which may be practically applied to food safety, environmental monitoring, and industrial production process controlling.
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