Serum was collected ： pancreatic cancer : healthy control =200:200 Clinical data were collected: age, gender, diagnosis, cancer stage, CA199 level at initial diagnosis, histopathological type, etc. The informed consent of the subjects was obtained before the study, and all experimental procedures were approved by ethics.
Draw a summary table of patient characteristics. The level of AREG was detected by ELISA kit and compared with CA199.
Fabrication of a new electrochemical biosensor. Characterization of sensor performance.
