Table 1: Analytical parameters for the determination of GFX using the two proposed methods.

ParameterMicelle-enhanced spectrofluorometric methodHantzsch reaction method

Range (ng/mL)10–1000100–2000
Intercept ( ) SDa−0.50 0.101.28 ± 0.07
Slope ( ) SDa
Correlation coefficient (r)0.99990.9988
LOD (ng/mL)2.3220.45
LOQ (ng/mL)7.7468.18

Mean of six determinations.