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. Author manuscript; available in PMC: 2010 Feb 19.
Published in final edited form as: J Phys Chem B. 2009 Feb 19;113(7):2050–2058. doi: 10.1021/jp808042w

Table 5. Preferential Interaction Coefficients for Proteins in Arginine HCl Solutionsa as Determined by Dialysis/Densimetry Measurements.

[arginine] (M) ϕ2 o (mL/g) ϕ2’o (mL/g) Γμ 1μ3
BSA, pH 6.0
0.47 0.708 ± 0.002 0.713 ± 0.001 (-5.2 ± 2.8)
0.87 0.717 ± 0.002 0.734 ± 0.002 (-21.3 ± 4.3)
lysozyme, pH 6.0
0.38 0.713 ± 0.002 0.706 ± 0.002 (1.6 ± 0.7)
0.87 0.697 ± 0.002 0.710 ± 0.002 (-3.4 ± 0.8)
a

The base buffer was 40 mM sodium phosphate, pH 6.0.