Table 4 Analysis and deductions of PSO-NE stability investigations at different concentrations.
Formulation | Sonication time (min) | Centrifugation | Heating cooling cycle | Freeze–Thaw cycle | % Δdz | %Δζf | Inference |
|---|---|---|---|---|---|---|---|
A1 | 10 | √ | 13.6 | -8.9 | Failed | ||
A2 | 10 | √ | 10.8 | -8.8 | Failed | ||
A3 | 10 | √ | √ | 11.2 | -9.1 | Failed | |
B1 | 15 | √ | 8.5 | -10.7 | Failed | ||
B2 | 15 | √ | √ | 7.7 | -7.6 | Failed | |
B3 | 15 | √ | √ | √ | 3.6 | -1.2 | Passed |
C1 | 20 | √ | √ | 5.6 | -1.0 | Failed | |
C2 | 20 | √ | √ | √ | 2.3 | -1.5 | Passed |
C3 | 20 | √ | √ | √ | 2.1 | -0.6 | Passed |
