Table 4. Recovery data for the quantification of DMAB by spectrophotometry.

Parameter	DMAB			DMAB + hydrolyzed PLGA
	level			level
	Low	medium	high	low	medium	high
	(50 μg/mL)	(150 μg/mL)	(280 μg/mL)	(50 μg/mL)	(150 μg/mL)	(280 μg/mL)
Recovery [%]	102.93	106.12	101.59	95.10	99.75	101.68
S.D. [%]	30.85	3.23	0.96	17.22	1.05	2.61
Confidence interval (p = 95%)
Upper limit [%]	179.57	114.13	103.98	137.87	102.36	108.16
Lower limit [%]	26.29	98.11	99.20	52.33	97.14	95.20
Maximum [%]	138.19	109.83	102.51	114.72	100.54	103.36
Minimum [%]	80.91	103.99	100.59	82.51	98.56	98.67
Number of samples	3	3	3	3	3	3