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Nanomaterials 2019, 9(3), 355; https://doi.org/10.3390/nano9030355

Silver-Nanocellulose Composite Used as SERS Substrate for Detecting Carbendazim

1
College of Life Sciences, The Public Service Platform for Industrialization Development Technology of Marine Biological Medicine and Product of State Oceanic Administration, Southern Institute of Oceanography, Fujian Normal University, Fuzhou 350117, China
2
College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China
3
Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fuzhou 350002, China
*
Author to whom correspondence should be addressed.
Received: 29 December 2018 / Revised: 2 February 2019 / Accepted: 27 February 2019 / Published: 4 March 2019
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Abstract

Nanocellulose is an abundant green resource that, owing to the larger surface area, length, and diameter of the fibers, can be used as a framework for loading Ag nanoparticles and serve as substrate for surface enhancement Raman scattering (SERS). These properties would cause the hydroxyl groups on the surface to adsorb the Ag ions and reduce them to Ag seed to form a load fulcrum. This paper presents a convenient and environmentally friendly method for the fabrication of silver-nanocellulose composites (NCF-Ag). A commonly used pesticide, carbendazim (CBZ), was used as a SERS probe to evaluate the properties of NCF-Ag. The results showed that NCF-Ag possesses good homogeneity, reproducibility, and stability. Additionally, CBZ was found to have a low limit of detection (LOD), i.e., 1.0 × 10−8 M, which indicates the possibility for trace analysis. Furthermore, it presents good linearity with R2 = 0.98 at 1007 and 1270 cm−1 in the range from 10−4~10−7 M CBZ. View Full-Text
Keywords: nanocellulose; surface enhancement Raman scattering (SERS); carbendazim; Ag nanoparticle nanocellulose; surface enhancement Raman scattering (SERS); carbendazim; Ag nanoparticle
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Huang, L.; Wu, C.; Xie, L.; Yuan, X.; Wei, X.; Huang, Q.; Chen, Y.; Lu, Y. Silver-Nanocellulose Composite Used as SERS Substrate for Detecting Carbendazim. Nanomaterials 2019, 9, 355.

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