Table 3.
Protein (ζ, [mV]) pH = 5.5–6.0 | ζ, [mV] | Sorption, % | ||
---|---|---|---|---|
HCNGs | SCNGs | HCNGs | SCNGs | |
Bi-distilled water (0 ± 2) | +27 ± 5 | −27 ± 5 | ||
BSA (−15 ± 5) | +14 ± 2 * | −23 ± 5 | 46 ± 5 | 47 ± 8 ** |
Af2 (−16 ± 5) | +15 ± 2 * | −21 ± 2 | 23 ± 3 | 0 ± 3 |
Ins (−9 ± 3) | +9 ± 3 * | −21 ± 3 | 42 ± 7 | 0 ± 3 |
SWM (+5 ± 4) | +26 ± 5 | −16 ± 3 * | 10 ± 2 | 36 ± 5 |
Lys (+12 ± 2) | +26 ± 5 | 0 ± 2 * | 6 ± 3 | 43 ± 2 |
* Statistically significant difference between free and loaded NGs (p < 0.01). ** BSA sediments from the solution at high speed centrifugation leading to artifact in SCNG complex formation.