Table 1. Nanoparticle Characterization: Size, ζ Potential (at 6.5 pH), and Polydispersity Index for the Different NPs Prepared are Compiled with the DLS Dataa.
| mean size (nm) | ζ potential (mV) | polydispersity index | |
|---|---|---|---|
| PLGA–PEG–biotin | 102 ± 2 | –51 ± 2 | 0.22 ± 0.03 |
| PLGA–PEG–biotin–avidin | 224 ± 24 | –33 ± 1 | 0.21 ± 0.07 |
| PLGA–PEG-biotin–avidin–antibody | 203 ± 19 | –30 ± 1 | 0.20 ± 0.07 |
| PLGA–PEG–biotin–RIF | 192 ± 13 | –41 ± 2 | 0.10 ± 0.03 |
| PLGA–PEG–biotin–avidin–RIF | 218 ± 19 | –24 ± 2 | 0.22 ± 0.10 |
| PLGA–PEG–biotin–avidin–RIF–antibody | 190 ± 17 | –22 ± 1 | 0.21 ± 0.05 |
a
Results are expressed as a mean ± SD of four size and ζ potential measurements.