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author：

Lin, W. (Lin, W..) [1] | Liu, Z. (Liu, Z..) [2] | Zhang, J. (Zhang, J..) [3] | Xu, J. (Xu, J..) [4] | Fu, F. (Fu, F..) [5] | Lin, Z. (Lin, Z..) [6] | Chen, Y. (Chen, Y..) [7] | Dong, Y. (Dong, Y..) [8]

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Scopus

Abstract：

A　simple　one-pot　method　is　developed　to　prepare　positively　charged　aggregated　silver　nanoparticles　(a-AgNPs).　The　obtained　a-AgNPs　show　strong　localized　surface　plasmon　resonance　(LSPR)　absorption,　whose　wavelength　can　be　easily　tuned　to　match　the　commonly　used　lasers　in　surface　enhanced　Raman　scattering　(SERS).　Furthermore,　the　obtained　a-AgNPs　can　be　easily　fabricated　into　paper-based　SERS　chips　by　filtering　against　a　negatively　charged　filter　membrane.　On　the　basis,　a　convenient　SERS　sensor　has　been　developed　for　the　detection　of　thiram　using　a　785　nm　handheld　Raman　spectrometer.　©　2025　Elsevier　B.V.

Keyword：

Aggregated AgNPs Paper-based chips Positively charged SERS Thiram

Community：

  • [ 1 ] [Lin W.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 2 ] [Liu Z.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 3 ] [Zhang J.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 4 ] [Xu J.]Fujian Inspection and Research Institute for Product Quality, National Center of Processed Foods Quality Supervision and Inspection, Fuzhou, 350002, China
  • [ 5 ] [Fu F.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 6 ] [Lin Z.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 7 ] [Chen Y.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 8 ] [Dong Y.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, China

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Source ：

Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

ISSN： 1386-1425

Year： 2025

Volume： 332

4 . 3 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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