Table 1.
Physical properties of nanoparticles before and after release from composite fibers.
| Sample | Z-avg size (nm) c | PDI | Zeta potential (mV) |
|---|---|---|---|
| Rho-NP (original) | 171.9 ± 19.1 | 0.089 ± 0.011 | −5.64 ± 0.80 |
| ETR-NP (original) | 175.4 ± 3.4 | 0.056 ± 0.022 | −4.48 ± 0.31 |
| Rho-NP, released from PVP composites | 204.9 ± 39.0 | 0.247 ± 0.060 (***) | −5.56 ± 1.49 |
| Rho-NP, released from PVA composites | 294.9 ± 9.3 (***) | 0.078 ± 0.027 | −0.58 ± 0.06 (***) |
| ETR-NP, released from PVA composites | 302.6 ± 5.4 (***) | 0.177 ± 0.025 (**) | −0.69 ± 0.17 (***) |
a
Data presented as mean ± S.D. with n ≥ 3 for each sample.
b
Measured using dynamic light scattering in 10 mM NaCl solution (pH = 5.7).
c
Significantly different from original NP measurement; ETR- or Rho-NP (released) compared to ETR- or Rho-NP (original)
(**)
p<0.01,
(***)
p<0.001.