Recent progress in aptamer-based microfluidics for the detection of circulating tumor cells and extracellular vesicles.

"Declaration of competing interest The authors declare that there are no conflicts of interest."

"This work was supported by the 10.13039/501100001809National Natural Science Foundation of China (Grant Nos.: 82003710 and 82173808), the Natural Science Foundation of Guangdong Province (Grant Nos.: 2020A1515010075 and 2021B1515020100), the Project of Educational Commission of Guangdong Province (Grant No.: 2021ZDZX2012), the Guangzhou Basic and Applied Basic Research Project (Grant No.: 2023A04J1163), the National Key Clinical Specialty Construction Project (Clinical Pharmacy), and High-Level Clinical Key Specialty (Clinical Pharmacy) in Guangdong Province, China. Duanping Sun: Formal analysis, Funding acquisition, Project administration, Supervision, Validation, Visualization, Writing - Original draft preparation, Reviewing and Editing; Ying Ma and Maoqiang Wu: Data curation, Software, Writing - Original draft preparation; Zuanguang Chen: Methodology, Conceptualization, Investigation; Luyong Zhang: Funding acquisition, Supervision, Project administration; Jing Lu: Funding acquisition, Resources, Supervision, Project administration, Writing - Reviewing and Editing."