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In this work, 4-mercaptophenyl boronic acid (4-MPBA) was self-assembled on the surface of silver nanoparticle-embedded silica-coated graphene oxide (GO@SiO2@Ag NPs@MPBA) to detect glucose by surface enhanced Raman scattering (SERS). The SERS intensity of 4-MPBA on the GO@SiO2@Ag NPs was 2.2-fold greater than that of GO@Ag NPs. Moreover, silica-coated GO exhibited lower background signals compared...
Bacterial cellulose hydrogels containing gold nanoparticles (AuNPs-BC) were prepared using a cost-effective and environment-friendly in situ synthesis method. Well-dispersed AuNPs were grown on the nanofiber surface of the BC hydrogel, forming substrates of surface-enhanced Raman spectroscopy (SERS). Increases in SERS-active sites in the AuNPs-BC hydrogel caused the enhancement of SERS intensity....
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