Research Article

Systematic Approach for the Formulation and Optimization of Solid Lipid Nanoparticles of Efavirenz by High Pressure Homogenization Using Design of Experiments for Brain Targeting and Enhanced Bioavailability

Table 6

Full factorial design with coded and actual values used for optimization of formulation variables (independent variable: amount of drug with respect to lipid and concentration of surfactant; dependent variable: particle size, polydispersity index (PDI), and entrapment efficiency (EE)).

S. number Batch number Coded values Actual valuesParticle size
(nm)
PDIEE
(%)
Amt. of drug
with respect to lipid
(%)
Conc.
of
surfactant
(%)
Amt.
of drug
with respect to lipid
(%)
Conc.
of
surfactant
(%)

1ODS01
2ODS02
3ODS03
4ODS04
5ODS05
6ODS06
7ODS07
8ODS08
9ODS09
10ODS10
11ODS11