Table 2.
Vaccine # | pH | Zeta Potential, mVa |
---|---|---|
A | 6.3 | −24.9 (1.4) |
B | 6.8 | −21.7 (1.0) |
C | 6.7 | −18.4 (2.5) |
D | 6.9 | −13.6 (3.1) |
E | 7.0 | −15.6 (0.8) |
F | 7.3 | −17.4 (0.8) |
All measurements were 0.2 mg/ml, in 10 mM NaCl, 25°C. Results are based on an average of three measurements and the values in parentheses represents the standard error.