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An electrochemical ratiometric biosensor for the detection of dopamine based on an MXene-Au nanocomposite
Wen-Jie Jing1, Fei-Fei Li1, Yu Liu1
1College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China. jialiping@lcu.edu.cn.
Abstract:
Compared with single signal detection, a ratiometric biosensor could offer more accurate and reliable results. Here, a ratiometric electrochemical biosensor for the sensitive and accurate detection of dopamine was developed based on the strong adsorption ability of MXene-Au toward methylene blue, an inner reference element. This ratiometric sensing strategy opened up a new avenue for the development of a ratiometric platform.

