Au-Decorated Dragonfly Wing Bioscaffold Arrays As Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Simultaneous Determination of Pesticide Residues

Overview

Journal Nanomaterials (Basel)

Date 2018 May 2

PMID 29710795

Citations 6

Authors

Mingli Wang

Guochao Shi

YanYing Zhu

Yuhong Wang

Wanli Ma

Affiliations

Soon will be listed here.

Abstract

Rapid sampling and multicomponent analysis are vital in pesticide residue detection. In this work, we proposed a SERS platform to detect three kinds of pesticides on apple peels simultaneously by a straightforward “press and peel off” method. The flexible Au/dragonfly wing (Au/DW) substrate was obtained from sputtering Au nanoislands on DW bioscaffold arrays by a simple direct current (DC) magnetron sputtering system. The high-performance substrate exhibited a low limit of detection (LOD) to 4-aminothiophenol (4-ATP) (10 M), outstanding reproducibility (less than 12.15%), good stability and suitability in multifold pesticide residues detection. Considering its excellent sample collection efficiency, the Au/DW substrate was employed to solve critical pesticide residue problems for detection of acephate (APT), cypermethrin (CPT), tsumacide (MTMC) and their multiple components on apple peels. The results show that the LOD was 10 ng/cm² for APT obtained on the apple surface with a calculation equation of y = 0.26x + 6.68 and a determination coefficient (R²) of 0.970. Additionally, the LOD values for CPT and MTMC were 10 ng/cm² and 10 ng/cm², respectively. The finding in this work may provide a promising biomimetic SERS platform for on-spot detection of other organic pollutants in the food industry and inenvironmental protection.

Citing Articles

Multiplex Surface-Enhanced Raman Scattering: An Emerging Tool for Multicomponent Detection of Food Contaminants.

Wei Q, Dong Q, Pu H Biosensors (Basel). 2023; 13(2).

PMID: 36832062 PMC: 9954132. DOI: 10.3390/bios13020296.

Surface-Enhanced Raman Spectroscopy for Molecule Characterization: HIM Investigation into Sources of SERS Activity of Silver-Coated Butterfly Scales.

Takei H, Nagata K, Frese N, Golzhauser A, Okamoto T Nanomaterials (Basel). 2021; 11(7).

PMID: 34361126 PMC: 8308157. DOI: 10.3390/nano11071741.

Rapid Multi-Residue Detection Methods for Pesticides and Veterinary Drugs.

Jia M, E Z, Zhai F, Bing X Molecules. 2020; 25(16).

PMID: 32784605 PMC: 7464912. DOI: 10.3390/molecules25163590.

Flexible PET/ITO/Ag SERS Platform for Label-Free Detection of Pesticides.

Nowicka A, Czaplicka M, Kowalska A, Szymborski T, Kaminska A Biosensors (Basel). 2019; 9(3).

PMID: 31546934 PMC: 6784364. DOI: 10.3390/bios9030111.

Surface-Enhanced Raman Spectroscopy on Self-Assembled Au Nanoparticles Arrays for Pesticides Residues Multiplex Detection under Complex Environment.

Ma Y, Huang Z, Li S, Zhao C Nanomaterials (Basel). 2019; 9(3).

PMID: 30871181 PMC: 6473963. DOI: 10.3390/nano9030426.

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