Issue 1, 2024

Design and performance of pH-responsive cyano-Raman label SERS probes based on single urchin Au nanoparticles

Abstract

A cyano-Raman label pH-responsive SERS probe was constructed by immobilizing 6-MPN molecules onto the surface of a single urchin Au nanoparticle (AuNP). The effects of different conditions on the synthetic materials were investigated and the optical properties of the single nanoparticles were evaluated. The peak-strength ratio of SERS probes at 1589 cm−1 and 2240 cm−1 exhibited a linear relationship in the pH range 4–7. The properties and stability of the probe were also verified by the acid–base cycle and ion interference tests.

Graphical abstract: Design and performance of pH-responsive cyano-Raman label SERS probes based on single urchin Au nanoparticles

Supplementary files

Article information

Article type
Paper
Submitted
02 Oct 2023
Accepted
01 Nov 2023
First published
07 Nov 2023

Analyst, 2024,149, 76-81

Design and performance of pH-responsive cyano-Raman label SERS probes based on single urchin Au nanoparticles

Y. Zhou, Z. Yu, Q. Zhou, J. Chen, M. Cai, Y. Wang and L. Zhang, Analyst, 2024, 149, 76 DOI: 10.1039/D3AN01678A

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