Quantification of Photocyanine in Human Serum by High-Performance Liquid Chromatography-Tandem Mass Spectrometry and Its Application in a Pharmacokinetic Study

Table 3

Extraction recovery and matrix effects of photocyanine.

Concentration; (ng/mL)	Extraction recovery (%); (n = 5)	Matrix effect (%); (n = 6)
60	37.13	61.51
1000	43.53	71.24
1600	31.64	77.03