Table 5: Determination of GFX in spiked human plasma samples using the proposed methods.

MethodSpiked amount
(ng/mL)
Found (ng/mL)Recovery % ± SDa

2019.52
Micelle-enhanced spectrofluorometric125123.98
500495.50

250248.11
Hantzsch reaction500498.25
10001007.07

Mean of five determinations.