Heliyon (Jul 2024)

Silver coated PS microsphere array SERS microfluidic chip for pesticide detection

  • Wang Peng,
  • Zhihan Xu,
  • Chao Yi,
  • Yuankai Zhang,
  • Qingxi Liao

Journal volume & issue
Vol. 10, no. 13
p. e33647

Abstract

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Carbendazim and acetamidine are pesticides that widely used to control pests and diseases in oilseed rape. In this paper, a rapid, accurate and reliable method was proposed for the detection of carbendazim and acetamidine with SERS microfluidic chip technology. Ag-ps(Polystyrene microspheres) microsphere SERS substrate was prepared by spin coating and magnetron sputtering deposition of Ag. The enhancement factor of prepared SERS substrate was 2.4 × 1010. The SERS detection working curves were well fitted and the linear parameters R2 were 0.987 and 0.994, respectively. The limit of detection was 0.01 mg/mL. The use of SERS microfluidic chip to detect carbendazim and acetamidine is expected to provide a way for the detection of pesticide residues in crops, which has broad application prospects in the field of food safety.

Keywords