Preparation, Characteristics, and Controlled Release Efficiency of the Novel PCL-PEG/EM Rod Micelles

Table 2

Single factor results of different mass fractions of PCL₂₀₀₀-MPEG₂₀₀₀.

Weight ratios (%)	Size (nm)	PdI^a	72 h stability
80	133.1	0.299	Poor
50	176.7	0.220	Good
30	182.2	0.222	Good
0	212.5	0.209	Good

^aPolydispersity index.