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. 2015 Apr 21;4(1):A0037. doi: 10.5702/massspectrometry.A0037

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.