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. 2016 Dec 16;12:15–28. doi: 10.2147/IJN.S122729

Table 2.

Optimized CMAs and CPPs and verified CQAs

Response parameters CMAs/CPPs
CQAs
Sonication time (min) Concentration of PVP (% w/v) Concentration of PVA (% w/v) Particle size (nm) Polydispersity index Zeta potential
Software-predicted results 15 1.031 2.959 249.80 0.395 −5.43
Actual obtained results 15 1 3 248.20 0.391 −5.62
Residual values (%) 0.64 1.01 −3.49

Abbreviations: CMAs, critical material attributes; CPPs, critical processing parameters; CQAs, critical quality attributes; PVA, polyvinyl alcohol; PVP, polyvinylpyrrolidone.