Table 1.
The concentrations of 
, Ca2+ and 
ions (ppm) in SBFs after soaking the microspheres.
| ion concentration (ppm) |
|||
|---|---|---|---|
| microsphere type |  |
Ca2+ |  |
| alginate | 0 | 277.0 | 12.76 |
| in situ 30CS–A | 11.49 | 263.5 | 11.06 |
| non-in situ 30CS–A | 4.15 | 283.7 | 12.38 |
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