Surface elemental analysis.
| Element | Before SBF | After SBF | ||
|---|---|---|---|---|
| Control | ATPT | Control | ATPT | |
| C | 3.00 | 0.82 | 1.90 | 1.58 |
| O | — | 27.00 | 28.83 | 33.08 |
| Na | — | 1.18 | 0.88 | 1.26 |
| P | — | — | 2.94 | 4.77 |
| Ca | — | 0.09 | 2.92 | 6.26 |
| Ti | 91.41 | 64.64 | 60.80 | 44.90 |
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