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. 2023 Feb 22;18:1007–1029. doi: 10.2147/IJN.S400610

Table 4.

Proposed Experiments by 2k Factorial Design and Their Responses for 16 Formulations of Nanostructured Lipid Carriers

Run Experimental Factors Dependent Variables
Formulation X1 X2 X3 X4 X5 X6 Y1 Y2
FD1 2 10 16000 3 35 5 46.77 0.262
FD2 2 10 11000 1 80 5 44.77 0.278
FD3 2 10 16000 1 35 1 117.57 0.496
FD4 2 5 11000 3 35 5 126.33 0.441
FD5 2 10 11000 3 80 1 58.86 0.242
FD6 7 10 16000 3 80 5 121.93 0.270
FD7 7 5 11000 3 80 5 119.20 0.227
FD8 2 5 16000 3 80 1 178.33 0.429
FD9 2 5 11000 1 35 1 207.67 0.430
FD10 7 10 11000 1 35 5 115.50 0.439
FD11 7 10 16000 1 80 1 184.07 0.504
FD12 7 5 16000 1 35 5 137.53 0.248
FD13 7 5 11000 1 80 1 152.83 0.256
FD14 2 5 16000 1 80 5 93.04 0.229
FD15 7 5 16000 3 35 1 144.13 0.259
FD16 7 10 11000 3 35 1 186.73 0.412

Abbreviations: X1, Binary mixture concentration (% w/v); X2, Surfactant concentration (% w/v); X3, Homogenization speed (rpm); X4, Homogenization time (min); X5, Sonication amplitude (%); X6, Sonication time (min); Y1, PS (nm); Y2, Polydispersity Index.