Journal
RSC ADVANCES
Volume 5, Issue 86, Pages 70553-70557Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra13080h
Keywords
-
Categories
Funding
- program of oversea research of Jiangsu DOE
Ask authors/readers for more resources
Surface-enhanced Raman scattering (SERS) has been proven to be a powerful analytical tool for the detection of trace molecules owing to its integration of high sensitivity, unique spectroscopic fingerprint, and non-destructive data acquisition. However, the lack of reliable, stable, well-defined and uniform SERS substrates impedes their further practical applications in various fields. Herein, we have developed a SERS-active substrate based on Ag dendrites for sensitive Raman signal readout and trace detection of pesticide residues in agricultural products and environments. The SERS substrate can be employed to detect rhodamine 6G (R6G) with an enhancement factor (EF) of 3.18 x 10(8) and the pesticide thiram in commercial grape juice with a detection limit of as low as 0.1 mu M (0.03 ppm), which is much lower than the maximal residue limit (MRL) of 7 ppm in fruit prescribed by the U.S. Environmental Protection Agency (EPA). Furthermore, spiked detection indicated that the Ag dendritic substrate can be used to monitor thiram in commercial grape juice and natural lake water without further treatment.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available