A core–shell structured AuNPs@ZnCo-MOF SERS substrate for sensitive and selective detection of thiram

Xue, Wenxia; Fu, Jihong; Zhang, Yaxue; Ren, Shuxian; Liu, Guoqi

doi:10.1039/d4ay00164h

Anal. Methods

2024

DOI: 10.1039/d4ay00164h

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A core–shell structured AuNPs@ZnCo-MOF SERS substrate for sensitive and selective detection of thiram

Wenxia Xue,

Jihong Fu,

Yaxue Zhang

et al.

Abstract: Surface-enhanced Raman scattering (SERS) enables pesticide residue monitoring to become facile and efficient. In this study, a core-shell structured gold nanoparticles@ZnCo metal-organic frameworks (AuNPs@ZnCo-MOFs) SERS substrate was designed and successfully...

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Cited by 3 publications

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Recent advances in the use of surface-enhanced Raman spectroscopy for thiram detection in food products

Wang,

Shi,

et al. 2024

Journal of Food Composition and Analysis

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Recent advances in the use of surface-enhanced Raman spectroscopy for thiram detection in food products

Wang,

Shi,

et al. 2024

Journal of Food Composition and Analysis

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SERS detection of thiram using a 3D sea cucumber-like composite flexible porous substrate

Shi,

Zhu,

Sun

et al. 2024

Analyst

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Thiram Determination in Milk Samples by Surface Plasmon Resonance Based on Molecularly Imprinted Polymers and Sulphur-Doped Titanium Dioxide

Harmankaya,

Deveci,

Harmankaya

et al. 2024

Biosensors

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In this work, a new surface plasmon resonance (SPR) sensor based on sulphur-doped titanium dioxide (S-TiO2) nanostructures and molecularly imprinted polymer (MIP) was presented for thiram (THI) determination in milk samples. Firstly, the S-TiO2 nanomaterial with a high product yield was prepared by using a facile sol-gel hydrolysis technique with a high product yield. After that, UV polymerization was carried out for the preparation of the THI-imprinted SPR chip based on S-TiO2 using a mixture including ethylene glycol dimethacrylate (EGDMA) as the cross-linker, N,N′-azobisisobutyronitrile (AIBN) as the initiator, and methacryloylamidoglutamicacid (MAGA) as the monomer. The reliability of the sensor preparation procedure has been successfully proven by characterization studies of the prepared nanomaterials and SPR chip surfaces through spectroscopic, microscopic, and electrochemical methods. As a result, the prepared SPR sensor showed linearity in the range of 1.0 × 10−9–1.0 × 10−7 M with a detection limit (LOD) of 3.3 × 10−10 M in the real samples, and a sensor technique for THI determination with high sensitivity, repeatability, and selectivity can be included in the literature.

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A core–shell structured AuNPs@ZnCo-MOF SERS substrate for sensitive and selective detection of thiram

Abstract: Surface-enhanced Raman scattering (SERS) enables pesticide residue monitoring to become facile and efficient. In this study, a core-shell structured gold nanoparticles@ZnCo metal-organic frameworks (AuNPs@ZnCo-MOFs) SERS substrate was designed and successfully...

Cited by 3 publications

References 59 publications

Recent advances in the use of surface-enhanced Raman spectroscopy for thiram detection in food products

Recent advances in the use of surface-enhanced Raman spectroscopy for thiram detection in food products

SERS detection of thiram using a 3D sea cucumber-like composite flexible porous substrate

Thiram Determination in Milk Samples by Surface Plasmon Resonance Based on Molecularly Imprinted Polymers and Sulphur-Doped Titanium Dioxide

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