Breast cancer diagnosis system using the combination of carcinoembryonic antigen aptamer, horseradish peroxidase-mimic hemin, and graphene sheet

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In order to early diagnose breast cancer with the rapid quantification of carcinoembryonic antigen (CEA) in human serum, highly sensitive DNA aptasensor with 1,1-oxalyldiimidazole chemiluminescence (ODI-CL) detection was developed using the combination of CEA aptamer, [...]