Green preparation of gold nanoparticles with Tremella fuciformis for surface enhanced Raman scattering sensing

Green preparation of gold nanoparticles with Tremella fuciformis for surface enhanced Raman... Article history: A simple in-situ synthesis method was developed to fabricate complex of Tremella fuciformis (TF) and Received 25 April 2017 gold nanoparticles (Au NPs). TF, one of the most popular fungi in the cuisine and medicine, acted as a Received in revised form 13 July 2017 biomass reducing agent and scaffold in the preparation of Au NPs. The intensities of the localized surface Accepted 1 August 2017 plasmon resonance (LSPR) of the complex of TF and Au NPs (Au@TFs) increased as the complex shrunk Available online 5 August 2017 due to drying. The textures of TF prevent the aggregation of Au NPs during the drying process. The TFs show strong adsorption capacity for cationic dyes. It is suggested that the adsorption of the dyes onto TFs Keywords: are achieved through electrostatic interactions between the TF and the dyes. Kinetics studies indicated Biomass that adsorption process could be well described by a pseudo-second-order model. Furthermore, the as- In-situ synthesis prepared Au@TFs were used as surface enhanced Raman scattering (SERS) substrates for analyzing trace Dye adsorption dye molecules. The shrinkage of the TFs caused by drying concentrated dyes on their fruiting bodies, SERS Trace analysis which led to the enhancement http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Green preparation of gold nanoparticles with Tremella fuciformis for surface enhanced Raman scattering sensing

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.008
Publisher site
See Article on Publisher Site

Abstract

Article history: A simple in-situ synthesis method was developed to fabricate complex of Tremella fuciformis (TF) and Received 25 April 2017 gold nanoparticles (Au NPs). TF, one of the most popular fungi in the cuisine and medicine, acted as a Received in revised form 13 July 2017 biomass reducing agent and scaffold in the preparation of Au NPs. The intensities of the localized surface Accepted 1 August 2017 plasmon resonance (LSPR) of the complex of TF and Au NPs (Au@TFs) increased as the complex shrunk Available online 5 August 2017 due to drying. The textures of TF prevent the aggregation of Au NPs during the drying process. The TFs show strong adsorption capacity for cationic dyes. It is suggested that the adsorption of the dyes onto TFs Keywords: are achieved through electrostatic interactions between the TF and the dyes. Kinetics studies indicated Biomass that adsorption process could be well described by a pseudo-second-order model. Furthermore, the as- In-situ synthesis prepared Au@TFs were used as surface enhanced Raman scattering (SERS) substrates for analyzing trace Dye adsorption dye molecules. The shrinkage of the TFs caused by drying concentrated dyes on their fruiting bodies, SERS Trace analysis which led to the enhancement

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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