Supplementary Table 1.
Theoretical and actual calcium phosphate (CaP) content of HAc-CaP hydrogels and the average size of CaP nanoparticles *Ca/P ratios were calculated from both quantitative EDS analysis and XRD phase analysis.
| HAc-Alg/CaP | pHAc-CaP 1 | |||||
|---|---|---|---|---|---|---|
| 10 wt% CaP | 30 wt% CaP | 10 wt% CaP | 30 wt% CaP | |||
| Reactants | CaCl2 0.153 M 10 ml (gelatin bath) | CaCl20.041 M + H3PO4 0.024 M | CaCl20.153 M + H3PO4 0.024 M | |||
| (NH4)2HPO4 0.024 M 2-3 ml (ink) | (NH4)2HPO4 0.092 M 2-3 ml (ink) | |||||
| pH | 7 ~ 8 | ~ 11 | ||||
| Temperature | Room temperature | |||||
| Reaction time | 20 min | 3 hr | ||||
| Actual mineral content | ~ 14 wt% | ~ 32 wt% | ~ 12 wt% | ~ 33 wt% | ||
| Average particle size | ~ 60 nm | ~ 60 nm | ~ 50 nm | 200 –350 nm | ||