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Metals and constructs used for sensors designed for carcinoembryonic antigen (CEA) sensing.
| Metals | Construct/Support | Year | Authors | Detection Limits/Sensitivities |
|---|---|---|---|---|
| Au/Pt | Bimetallic nanochains. | 2013 | Cao et al. [127] | Linear detection range 0.01–200 ng/mL. LOD 0.11 pg/mL. |
| Au/Ag | Bimetallic core-shells. Anti-CEA SERS probes used with electrochemical luminescence | 2013 | Chen et al. [128] | Linear detection (using luminescence) 1000 to 0.2 ng/ml. LOD 5 pg/mL. |
