Enantioselective Potentiometric Membrane Electrodes Based on Antibiotics for the Determination of L- and D-Glyceric Acids

Table 6

Recovery of D-glyceric acid in serum and urine samples, (%)^a.

Type of; sample	Sample no.	% Recovery, D-GA
		Standard method [24]	EPMEs
Serum samples	10	97.20	97.23±0.02
	11	96.70	96.65±0.03
	12	97.70	97.21±0.08
Urine samples	13	99.20	99.18±0.02
	14	99.50	99.48±0.01
	15	99.93	100.00±0.02
	16	99.43	99.40±0.03
	17	99.15	99.12±0.02
	18	99.11	99.13±0.02

^aAll measurements were made at 25°C; all values are the average of ten determinations.