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. 2007 Jan 25;402(Pt 1):143–151. doi: 10.1042/BJ20061434

Table 4. Oxygen-binding properties of PEGylated proteins.

Oxygen equilibrium curves of the samples were measured using Hem-O-Scan at 37 °C in PBS, pH 7.4. h is the Hill coefficient.

Sample p50 (mmHg) h
HbA 11.8 2.8
αα-Fumaryl Hb 30.5 2.4
ββ-Hb 6.3 2.1
(Propyl-PEG5K)6-Hb 6.3 1.9
(Propyl-PEG5K)6-αα-Hb 16.0 1.5
(Propyl-PEG5K)6-ββ-Hb 5.9 1.9