Curvature-Insensitive Transparent Surface-Enhanced Raman Scattering Substrate Based on Large-Area Ag Nanoparticle-Coated Wrinkled Polystyrene/Polydimethylsiloxane Film for Reliable In Situ Detection DOI Creative Commons
Meng Sun,

Lili Huang,

Hongjun Wang

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(12), P. 2946 - 2946

Published: June 20, 2024

Flexible and transparent surface-enhanced Raman scattering (SERS) substrates have attracted considerable attention for their ability to enable the direct in situ detection of analytes on curved surfaces. However, curvature an object can impact signal enhancement SERS during measurement process. Herein, we propose a simple approach fabricating curvature-insensitive substrate by depositing silver nanoparticles (Ag NPs) onto large-area wrinkled polystyrene/polydimethylsiloxane NP@W-PS/PDMS) bilayer film. Using rhodamine 6G (R6G) as probe molecule, optimized Ag NP@W-PS/PDMS film demonstrates high analytical factor (AEF) 4.83 × 105, excellent uniformity (RSD = 7.85%) reproducibility 3.09%), well superior mechanical flexibility. Additionally, measurements malachite green (MG) objects with diverse curvatures, including fish, apple, blueberry, are conducted using portable system, revealing consistent enhancement. Furthermore, robust linear relationship (R2 ≥ 0.990) between intensity logarithmic concentration MG detected from these is achieved. These results demonstrate tremendous potential developed point-of-care testing (POCT) platform identifying irregular objects.

Language: Английский

Machine learning assisted biomimetic flexible SERS sensor from seashells for pesticide classification and concentration prediction DOI

Yu Wan,

Wei Qian,

Hao Sun

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160813 - 160813

Published: Feb. 1, 2025

Language: Английский

Citations

1
Flexible ag nanoparticle-decorated SU-8 μm-column array films as sensitive SERS substrates for in situ detection of pesticide residues DOI
Yunpeng Shao, Yue Niu,

Wenlong Deng

et al.

Food Chemistry, Journal Year: 2025, Volume and Issue: 474, P. 143198 - 143198

Published: Feb. 4, 2025

Language: Английский

Citations

0
Grating/microcavity arrays on lily petal replicas as dual-functional SERS substrates for rapid monitoring of thiram on fruit surface and malachite green in surface water DOI
Hongjun Wang, Zhiqiang Bian, Yue Wang

et al.

Microchimica Acta, Journal Year: 2025, Volume and Issue: 192(3)

Published: Feb. 12, 2025

Language: Английский

Citations

0
A novel self-powered SERS platform PVDF-HFP/BZT-BCT@PDA/Ag based on piezoelectricity for sensitive detection of food contaminants DOI
Mei Sun, Ke Chen, Hanmei Hu

et al.

Microchemical Journal, Journal Year: 2024, Volume and Issue: 207, P. 112225 - 112225

Published: Nov. 19, 2024

Language: Английский

Citations

1
Curvature-Insensitive Transparent Surface-Enhanced Raman Scattering Substrate Based on Large-Area Ag Nanoparticle-Coated Wrinkled Polystyrene/Polydimethylsiloxane Film for Reliable In Situ Detection DOI Creative Commons
Meng Sun,

Lili Huang,

Hongjun Wang

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(12), P. 2946 - 2946

Published: June 20, 2024

Flexible and transparent surface-enhanced Raman scattering (SERS) substrates have attracted considerable attention for their ability to enable the direct in situ detection of analytes on curved surfaces. However, curvature an object can impact signal enhancement SERS during measurement process. Herein, we propose a simple approach fabricating curvature-insensitive substrate by depositing silver nanoparticles (Ag NPs) onto large-area wrinkled polystyrene/polydimethylsiloxane NP@W-PS/PDMS) bilayer film. Using rhodamine 6G (R6G) as probe molecule, optimized Ag NP@W-PS/PDMS film demonstrates high analytical factor (AEF) 4.83 × 105, excellent uniformity (RSD = 7.85%) reproducibility 3.09%), well superior mechanical flexibility. Additionally, measurements malachite green (MG) objects with diverse curvatures, including fish, apple, blueberry, are conducted using portable system, revealing consistent enhancement. Furthermore, robust linear relationship (R2 ≥ 0.990) between intensity logarithmic concentration MG detected from these is achieved. These results demonstrate tremendous potential developed point-of-care testing (POCT) platform identifying irregular objects.

Language: Английский

Citations

0