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Summary of acoustic characteristics for PLA and PEG-PLA MBs (Average ± standard error)
| Unloaded PLA | PLA with 3 wt% GEM | PLA with 6 wt% GEM | Unloaded 5% PEG-PLA | 5% PEG-PLA with 3 wt% GEM | 5% PEG-PLA with 6 wt% GEM | |
|---|---|---|---|---|---|---|
| Initial Enhancement (dB) | 15.6 ± 0.7 | 14.4 ± 0.9 | 10.5 ± 0.9 | 13.2 ± 0.7 | 11.2 ± 0.7 | 13.7 ± 0.7 |
| Maximum Enhancement (dB) | 19.4 ± 0.3 | 16.6 ± 0.3 | 14.5 ± 0.7 | 19.4 ± 0.5 | 17.6 ± 0.7 | 15.7 ± 0.5 |
| In vitro Acoustic Half-life (Min) | >15 | >15 | >15 | >15 | >15 | >15 |
