Photothermal and colorimetric dual mode assay based on nanozymes for gastric cancer exosomes
A dual-mode photothermal/colorimetric aptasensor using CD63 aptamer-functionalized core-shell AuPt nanozymes for detecting GC-related CD63-positive exosomes in serum samples and providing a dual-mode tool for quantitative GC-related exosome analysis and preliminary extracellular vesicle monitoring is developed.