Abstract: Using lead sulfide colloidal quantum dots as the modified material, a planar chemically modified electrode (CME) has been prepared, which is based on a colloidal quantum dot surface ligand replacement strategy. The colloidal quantum dot electrical labeling of the cytokeratin CK18 antibody was used to transduce the specific binding reaction of the CK18 protein antigen antibody to the sensor electrical signal for detection.Summary: Bladder cancer is the most common malignant tumor in the urinary system. The early diagnosis methods of bladder cancer mainly include transurethral cystoscopy, urine exfoliated cytology, biochemical examination of urine tumor markers, and clinical medical imaging examination. References: https://pqds.alfa-chemistry.com/quantum-dot-electrochemical-sensor-detects-bladder-cancer-marker-services.html
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