Fig. 4.

Stability evaluation of rPR8-HCV particles. rPR8-HCV was added to human plasma to a final concentration of 10⁴ and 10⁶ IU/ml. Samples were incubated at 4 °C, 37 °C, or room temperature for set periods of time. Samples were qualified in duplicate at each time point using a HCV RNA PCR fluorescence quantitative diagnostic kit, and the detection results were averaged. The changes in HCV RNA levels in samples were evaluated by linear regression analysis