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. 2007 May 15;104(20):8449–8454. doi: 10.1073/pnas.0703039104

Fig. 2.

Fig. 2.

Presence of HCV E2 peptide-specific antibodies in HCIGIV. (A) Determination of HCIGIV antibody titer to peptide A. The x axis indicates the dilution of HCIGIV, and the y axis indicates absorbance at 450 nm in ELISA. Albumin (5%) and a control IGIV (5%) at 1:400 dilution in PBS were used as controls. (B) Spiking of HCIGIV into the control IGIV. The x axis indicates dilution of HCIGIV in the control IGIV. HCIGIV at 1:400 dilution alone was used as the positive control. Albumin (5%) and the control IGIV (5%) at 1:400 dilution were used as negative controls. The y axis indicates absorbance at 450 nm in ELISA.