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Physico-chemical properties of the liposome formulations produced for the experiments (mean of triplicate measurements with SD). ICG—indocyanine green; PEG—polyethylene glycol; HA—hyaluronic acid; n.a.—not available.
| Size (nm) | Zeta Potential (mV) | ICG Absorbance (a.u.) | |
|---|---|---|---|
| Uncoated | 102 ± 24 | −0.44 ± 1.32 | 0.72 ± 0.08 |
| PEG | 119 ± 30 | −2.94 ± 0.69 | 0.90 ± 0.13 |
| HA | 104 ± 25 | −11.27 ± 0.21 | 0.88 ± 0.12 |
| HA (30 nm extrusion) | 68 ± 16 | n.a. | 0.86 ± 0.03 |
