From: Higher sensitive selective spectrofluorometric determination of ritonavir in the presence of nirmatrelvir: application to new FDA approved co-packaged COVID-19 pharmaceutical dosage and spiked human plasma
Ritonavir (ng/mL)
Nirmatrelvir (ng/mL)
Ritonavir found (ng/mL)
Ritonavir [% Recovery]
3.00
9.00
2.97
99.00
4.00
12.00
4.03
100.75
5.00
15.00
5.05
101.00
6.00
18.00
5.92
98.66
Mean ± %RSD
99.85 ± 1.859