Construction of a highly sensitive electrochemical sensing platform using an Au–RGO–MWCNTs nanocomposite for the synergistic amplification of rutin detection

). The sensor also exhibits excellent stability, retaining 90% of its initial response after 30 days. Practical applicability has been validated through quantitative analysis of rutin in three types of traditional Chinese medicinal materials, yielding recoveries between 92.0% and 102.0% and confirming good reproducibility. These findings underscore the promise of the Au-RGO-MWCNTs sensor as a reliable analytical tool for sensitive, stable and selective rutin detection in real-world samples.