Table 7. Sensitivity improvement by ATHAP for peptides with SSRCalc Hydrophobicity from 5.2 to 54.8.a) [Reproduced from ref. 33 with Copyright permission of American Chemical Society.].
| Analytes | Sensitivity improvement rate (fold) | |||
|---|---|---|---|---|
| No. | Name | SSRCalc Hydrophobicity | m/z (Ave.) | |
| 1 | NF-κB inhibitor | 54.8 | 2782.6 | 10 |
| 2 | OVA-BIP hybrid peptide | 50.2 | 2291.6 | 10 |
| 3 | Humanin | 50.0 | 2688.3 | 10 |
| 4 | β-Amyloid 22–42 | 42.4 | 2000.4 | 10 |
| 5 | Catestatin | 38.1 | 2327.7 | 1 |
| 6 | ACTH 18–39 | 37.9 | 2466.7 | 1 |
| 7 | Nocistatin | 29.8 | 1928.1 | 1 |
| 8 | Neuropeptide S | 22.3 | 2188.5 | 0.1 |
| 9 | β-Amyloid 1–16 | 18.2 | 1956.1 | 0.1 |
| 10 | β-Amyloid 1–11 | 13.5 | 1326.3 | 0.001 |
| 11 | β-Conglycinin 165–178 | 5.2 | 1848.8 | 0.0001 |
a) Sensitivity improvement for peptides with SSRCalc Hydrophobicity from 5.2 to 54.8 using ATHAP, compared with CHCA in positive-ion mode. The sensitivity improvement rate was calculated by dividing the detection limit using CHCA by that using ATHAP.