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. 2016 Sep 13;6:32651. doi: 10.1038/srep32651

Figure 6. The effect of freeze/thaw on PPP isolated from EDTA- or citrate-anticoagulated blood.

Figure 6

Standard plasma from 3 healthy volunteers was separated from EDTA- or citrate-anticoagulated blood (3,000 RPM/1,800x g; 10 minutes). EDTA tubes contained 10 mL of whole blood while citrate tubes contained 2.7 mL. Standard plasma was either exposed to a freeze/thaw cycle before a second centrifugation or processed without freezing, and select miRNAs were measured in the resulting PPP. Treatment groups were compared using a one-way ANOVA with a Tukey’s post-hoc test for multiple comparisons (** indicates P < 0.01, ***P < 0.001, ****P < 0.0001).