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Nanomaterials 2017, 7(9), 263; doi:10.3390/nano7090263

Optimizing Melamine Resin Microspheres with Excess Formaldehyde for the SERS Substrate

Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, China
Author to whom correspondence should be addressed.
Received: 9 July 2017 / Revised: 29 August 2017 / Accepted: 1 September 2017 / Published: 6 September 2017
(This article belongs to the Special Issue Nanomaterials for SERS Applications)
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Influence of the excess monomer within the synthetic reaction solution of melamine resin microspheres (MFMSs) on the surface-enhanced Raman spectroscopy (SERS) enhancement from Rhodamine 6G (R6G) was investigated, where the R6G was adsorbed on the silver nanoparticles (AgNPs) that were loaded on the MFMSs. Surface characteristics of the MFMSs were modified by the excess monomer (i.e., the excessive melamine or formaldehyde) through its terminal overreaction, which can be simply controlled by some of the synthetic reaction conditions, thus further allowing us to optimize the assembly of the loaded AgNPs for the SERS detection. These SERS substrates incorporating the optimized MFMSs with the excess formaldehyde can also be used for tracing analyses of more environmental and food contaminants. View Full-Text
Keywords: excess monomer; melamine resin microspheres; SERS substrate; environmental contaminants excess monomer; melamine resin microspheres; SERS substrate; environmental contaminants

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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Shen, L.; Zhu, J.; Guo, Y.; Zhu, Z.; Wang, X.; Hao, Z. Optimizing Melamine Resin Microspheres with Excess Formaldehyde for the SERS Substrate. Nanomaterials 2017, 7, 263.

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