Dual-Probe SERS Chip: A Rapid and Ratiometric Detection of Trace Hg²⁺ in Food Samples

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 13, 2025

Rapidly and accurately identifying ultratrace mercury ions (Hg2+) to protect people's lives health is still challenging work. A dual-probe ratiometric SERS chip was developed by growing spiderweb-like Au nanowires (AuNWs) on an AuNP array, enhancing signals selectivity for trace Hg2+ detection. Due the strong coordination ability of form Au-SH bonds, 4-mercaptobenzoic acid (4-MBA) replaced adsorption 4-aminothiophenol (4-ATP), thereby creating a sandwich structure (Au/Hg2+/4-ATP). Moreover, sensor exhibits excellent anti-interference capabilities, high selectivity, rapid detection within 3 min, with wide linear range 10–3 10–11 M low limit 1.35 × 10–13 M. It has been successfully used detect in fish, offering reliable method on-site heavy metal monitoring mitigating mercury-related risks.

Language: Английский

Artificial intelligence guided Raman spectroscopy in biomedicine: Applications and prospects

Journal of Pharmaceutical Analysis, Journal Year: 2025, Volume and Issue: unknown, P. 101271 - 101271

Published: March 1, 2025

Language: Английский

Toward better understanding of denitrifying phosphorus accumulating organisms (DPAOs) via Single-cell Raman spectroscopy: A review

Environmental Technology & Innovation, Journal Year: 2025, Volume and Issue: unknown, P. 104205 - 104205

Published: April 1, 2025

Language: Английский