Table 2. Biodegradation Rates of Bioresorbable Semiconductors13,40,50,191,192.
| biodegradation mechanism | biodegradation rate | test environment | ref | |
|---|---|---|---|---|
| Si | hydrolysis | 4.5 nm·d–1 | PBS (pH = 7.4) at 37 °C | (13) |
| Poly-Si | Hydrolysis | 2.8 nm·d–1 | PBS (pH = 7.4) at 37 °C | (50) |
| a-Si | hydrolysis | 4.1 nm·d–1 | PBS (pH = 7.4) at 37 °C | (50) |
| SiO2 | hydrolysis | 8.2 nm·d–1 | artificial cerebrospinal fluid (aCSF) (pH = 7.4) at 37 °C. | (40) |
| Si3N4 | hydrolysis | 0.4 nm·d–1 | PBS at 37 °C | (191) |
| SiGe | dissolution | 0.1 nm·d–1 | PBS (pH = 7.4) at 37 °C | (192) |
| Ge | hydrolysis | 3.1 nm·d–1 | PBS (pH = 7.4) at 37 °C | (192) |