Representative formulation scheme for preparing IL-incorporated LNPs.
| Component | Molar ratio in final LNP mixture | Stock concentration (mg mL−1) | Volume of the stock solution required (μL) |
|---|---|---|---|
| Ethanolic phase | |||
| C12-200 | 50 | 1 | 12.5 |
| Cholesterol | 38.5 | 1 | 3.1 |
| DSPC | 10 | 0.1 | 16.9 |
| Ethanol | — | — | 92.5 |
| Total ethanolic phase volume | 125 | ||
| Aqueous phase | |||
| siRNA | 400 nM | 1 | 2.5 |
| 1 : 1 or 1 : 2 IL | — | — | 12.5/25/50 |
| 10 mM citrate buffer | — | — | q.s. to 125 μL |
| Nuclease-free water | 250 | ||
| Final volume of LNPs prepared (μL) | 500 | ||