Sensitivity and Selectivity on Aptamer-Based Assay: The Determination of Tetracycline Residue in Bovine Milk

Table 2

Recovery study for the determination of TC spiked in milk.

	Spiked conc. of TC (mg L^−1)	Measured conc. (mg L^−1)	Recovery (%)
DNA aptamer	9.60	9.119	95.0
	2.40	2.390	99.6
	0.48	0.463	96.5
RNA aptamer	0.25	0.246	105.9
	0.10	0.104	104.7
	0.05	0.545	109.1