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. 2011 Dec 30;4:572. doi: 10.1186/1756-0500-4-572

Table 2.

Comparison of the RNA yield and purity obtained by the three RNA extraction kits

Extraction kit	Strain	RNA yield (ng/μl)	A₂₆₀/A₂₈₀ratio	A₂₆₀/A₂₃₀ratio
FastRNA^®	1457	513 ± 135**	2.18 ± 0.06	2.06 ± 0.01**

	M187	359 ± 14**	2.09 ± 0.04	1.92 ± 0.06 **

PureZOL™	1457	18 ± 7	1.70 ± 0.06	0.30 ± 0.01

	M187	50 ± 7 *	1.70 ± 0.07	0.63 ± 0.16

PureLink™	1457	17 ± 3	1.99 ± 0.08	1.35 ± 0.04

	M187	30 ± 3*	2.10 ± 0.06	1.25 ± 0.63

The values represent the mean plus or minus standard deviation of 2 to 4 independent experiments (**P < 0.01 between kits; *P < 0.05 between strains)