Table 1.
List of biomarkers for which sandwich SERS immunoassay has been developed.
| Biological Antigen | Limit of Detection (LOD) | Reference |
|---|---|---|
| Alzheimer’s Tau Protein | <25 fM | [41] |
| Prostate-specific antigen (PSA) | 1 pg/mL (~30 fM) | [13,28] |
| Immunoglobulin (IgG) antigens | 300 pg/mL | [12,29,30,31] |
| Metanephrine | <10 µM | [42] |
| Mucin 4 (MUC4) | 33 ng/mL | [38,40] |
| Mycobacterium avium subsp. Paratuberculosis (MAP) | 1000 MAP/mL | [35] |
| Hepatitis B virus | 0.5 µg/mL | [34] |
| Feline calicivirus (FCV) | 106 FCV/mL | [32] |
| Carcinoembryonic antigen (CEA) | 10 pg/mL | [43] |