Detection of Gastric Cancer-Associated d-Amino Acids and Carcinoembryonic Antigen by Colorimetric and Immuno ECL Sensing Platform Based on the Catalysis of N/S-Doped Carbon Dots @ N-Rich Porous Carbon Nanoenzyme

. The strategy proposed in this work can also be used for the detection of other disease markers by substituting the recognition elements, thus having good application potential.