Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Factors and responses of CG-PEG-CSO-SPIONs in the BBD.
| Factor | Level | ||
| Low (−) | Medium (0) | High (+) | |
| X1 = CTAB concentration (mg/mL) | 2.5 | 5.0 | 7.5 |
| X2 = CSO concentration (mg/mL) | 0.1 | 0.2 | 0.3 |
| X3 = PEG concentration (mg/mL) | 0.1 | 0.2 | 0.3 |
| Response | Constraint | ||
| Y1 = Particle size (nm) | Minimize | ||
| Y2 = Zeta potential (mV) | ≥ ±20 mV | ||
| Y3 = LE (%) | Maximize | ||
| Y4 = LC (%) | Maximize | ||
