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Article

Se(IV) mediated anisotropic etching of bare gold nanorods for mutant biomarker sensing by surface-enhanced electrochemiluminescence.

Mikrochimica acta - 1 Nov 2025

Qiu Suyan, Dong Yifan, Ai Qiushuang, Yuan Lijuan, Yu Xiren, Liang Jingtian, Zhang Li, Xiang Jianjun, Zhang Dawen

Abstract excerpt

We present a novel Se(IV)-mediated etching protocol to control the etching orientation and geometrical evolution of bare gold nanorods (AuNRs) and exploit it as a highly sensitive surface-enhanced electrochemiluminescence (ECL) sensor. The initial etching orientation was intimately governed by the concentrations of Se(IV) and cetyltrimethylammoniumbromide (CTAB). Interestingly, an extraordinary lateral etching...

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PMID: 41175256
DOI: 10.1007/s00604-025-07664-2

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