Split-type photoelectrochemical immunoassay of detecting carcinoembryonic antigen for colorectal cancer with ultrathin Bi2MoO6 nanosheets

Key Points

• To develop a photoelectrochemical immunoassay for detecting carcinoembryonic antigen in colorectal cancer.
• Utilized ultrathin Bi2MoO6 nanosheets for enhanced detection.
• Evaluated the immunoassay in distinguishing cancer biomarkers.
• Assessed specificity and sensitivity in various conditions.
• Demonstrated effective detection of carcinoembryonic antigen levels.
• Improved accuracy in identifying colorectal cancer cases.
• Potentially reduces mortality rates through early intervention.