From: Modeling and optimization of nanoemulsion containing Sorafenib for cancer treatment by response surface methodology
Symbol
Independent variable
Level of variables
−2
−1
0
+1
+2
X 1
Overhead stirring time
80
120
160
200
240
X 2
Shear rate
800
2000
3200
4400
5600
X 3
Shear time
10
15
20
25
30
X 4
Cycle of homogenizer
8
11
14
17