Dual-cycle signal amplification on an Au@CeO2-x/Bi2MoO6 platform: Toward an ultrasensitive and enzyme-free sandwich immunosensor for CA125 in clinical diagnostics

Minjie Yang & Baolin Liu et al. · 2026-02-11

TL;DR

This work presents a dual-cycle amplified sandwich-type electrochemical immunosensor for the detection of Carbohydrate Antigen 125 (CA125), a key biomarker of ovarian cancer, and demonstrates high selectivity, excellent reproducibility, and stable performance over 18 days.

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Authors
Minjie Yang, Meina Feng, Ling Zha, Xi Liu, Yuanhui Ma, Ying Huang, Ruizhuo Ouyang, Dong Sun, Yuqing Miao, Baolin Liu