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Updated: Jun 11, 2026

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Detection and Monitoring of Tumor Associated Circulating DNA in Patient Biofluids
Published on: June 8, 2019
Detection of DNA and indirect detection of tumor cells based on circular strand-replacement DNA polymerization on
Rui Ren1, Cuicui Leng, Shusheng Zhang
1Key Laboratory of Eco-chemical Engineering, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
Abstract:
The chronocoulometric detection of DNA was carried out based on circular strand-replacement DNA polymerization on a screen-printed electrode, and extended to quantify tumor cells with the aid of aptamer recognition.

