Bifunctional SERS Paper Chips Based on Three-Layered Plasmonic Metal-Coated ZnO Nanoflowers for Fast Enrichment and Ultrasensitive Detection of Multiple Antibiotics
Juanjuan Yan,
Morui Wang,
Huaiqin Yin
et al.
Abstract:In
this study, cellulose filter paper (CFP) was used
to create
three-dimensional ZnO nanoflowers coated with three-layered plasmonic
metals (Ag@Au@Ag) by using an in situ generated method. The substrate
was created as a surface-enhanced Raman scattering (SERS) paper chip
with dual functions for quick enrichment and ultrasensitive antibiotic
detection. It was possible to detect amoxicillin, ciprofloxacin, and
tetracycline quantitatively with good linear responses at low detection
limits of 1, 10, and 10 nM, res… Show more
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