Table 2.
Commercially available immunoassay (ELISA) for the detection of salivary markers.
| Salivary markers | Companies | Serum-saliva correlation | Sensitivity |
|---|---|---|---|
| 17α-Hydroxyprogesterone | Salimetrics | 0.64 | 3 pg/mL |
| DRG® | — | 3 pg/mL | |
| Rocky Mountain Diagnostics | — | 3.6 pg/mL | |
| Eagle Biosciences | — | 4.9 pg/mL | |
|
| |||
| Alpha-amylase | Salimetrics | — | 0.4 U/mL |
| MyBiosource.com | — | 1.95 IU/mL | |
| Antibodies-onlines | — | 0.94 ng/mL | |
|
| |||
| Androstenedione | Salimetrics | 0.77 | 5 pg/mL |
| DRG® | — | 5 pg/mL | |
| Eagle Biosciences | — | 0.5 pg/mL | |
|
| |||
| C-reactive protein | Salimetrics | — | 10 pg/mL |
| AbCam | — | 0.25 ng/mL | |
|
| |||
| Chromogranin | Salimetrics | — | 0.7 ng/mL |
|
| |||
| Cortisol | Salimetrics | 0.91 | <0.007 μg/dL |
| DRG® | — | 0.0537 μg/dL | |
| Biomatik | — | <1.20 ng/mL | |
| Eagle Bioscience | — | 0.025 ng/mL | |
| Rocky Mountain Diagnostics | — | 0.014 ng/mL | |
| BioVendor Laboratory Medicine, Inc. | — | 1.0 pg/mL | |
|
| |||
| Cotinine | Salimetrics | — | 0.15 ng/mL |
|
| |||
| DHEA | Salimetrics | 0.86 | 5 pg/mL |
| DRG® | — | 3.3 pg/mL | |
| Rocky Mountain Diagnostics | — | 2.2 pg/mL | |
|
| |||
| DHEA-S | Salimetrics | — | 43 pg/mL |
| DRG® | — | 25 pg/mL | |
| ALPCO | — | 0.045 ng/mL | |
| Eagle Biosciences | — | 0.05 ng/mL | |
| Rocky Mountain Diagnostics | — | 0.045 ng/mL | |
|
| |||
| Estradiol | Salimetrics | 0.80 | 0.1 pg/mL |
| DRG® | — | 0.085 pg/mL | |
| Eagle Biosciences | — | 0.5 pg/mL | |
| Rocky Mountain Diagnostics | — | 0.4 pg/mL | |
|
| |||
| Estriol | Salimetrics | 0.87 | 1 pg/mL |
| DRG® | — | 2 pg/mL | |
| Biomatik | — | <0.03 ng/mL | |
| ALPCO | — | 1.1 pg/mL | |
| Eagle Biosciences | — | 0.5 pg/mL | |
| Rocky Mountain Diagnostics | — | 1.1 pg/mL | |
|
| |||
| Estrone | Salimetrics | — | 1 pg/mL |
| DRG® | — | 4.74 pg/mL | |
| Biomatik | — | <1 pg/mL | |
|
| |||
| Interleukin-6 | Salimetrics | — | 0.07 pg/mL |
|
| |||
| Interleukin-1 Beta | Salimetrics | — | <0.37 pg/mL |
|
| |||
| Melatonin | Salimetrics | 0.81 | 1.37 pg/mL |
| DRG® | — | 0.3 pg/mL | |
|
| |||
| Progesterone | Salimetrics | 0.87 | 5 pg/mL |
| Eagle Biosciences | — | 4.9 pg/mL | |
| Biomatik | — | <20 pg/mL | |
| Rocky Mountain Diagnostics | — | 3.8 pg/mL | |
|
| |||
| Secretory Immunoglobulin A | Salimetrics | — | 2.5 μg/mL |
| DRG® | — | 0.5 μg/mL | |
|
| |||
| Testosterone | Salimetrics | 0.96 | 1 pg/mL |
| DRG® | — | 1.9 pg/mL | |
| MyBiosource.com | — | 1.9 pg/mL | |
| IBL | — | 1.0 pg/mL | |
| Eagle Biosciences | — | 2.96 pg/mL | |
| Biomatik | — | <1 pg/mL | |
| Rocky Mountain Diagnostics | — | 1.9 pg/mL | |
|
| |||
| TNF-α | Salimetrics | — | 0.106 pg/mL |