Liwei Zheng

This paper introduces a method to sequence peptides by converting them into DNA barcodes and demonstrates its ability to detect single amino acid substitutions and post-translational modifications.

This paper develops an optical method to directly detect factor Xa activity in whole blood, enabling rapid anticoagulant monitoring and personalized treatment.

The paper introduces xPlex, a method for multiplexed and quantitative detection of small-molecule analytes using aptamer switches and UV-crosslinkable strands, demonstrating its effectiveness with dopamine and glucose.