From: Pharmacokinetics and brain distribution of the therapeutic peptide liraglutide by a novel LC–MS/MS analysis
Matrix
Analyte
Concentration (ng/mL)
Extraction recovery (%)
Plasma
Liraglutide (n = 3)
800
96.58
80
92.17
4
104.59
IS (n = 9)
50
92.61
Brain
160
98.33
40
99.76
8
94.06
95.76