Meso-Macroporous Hydroxyapatite Powders Synthesized in Polyvinyl Alcohol or Polyvinylpyrrolidone Media
Abstract
:1. Introduction
2. Materials and Methods
2.1. Powder Synthesis
2.2. Materials’ Characterization
2.2.1. Suspension Characterization
2.2.2. Powders’ Characterization
3. Results
3.1. Suspension Properties
3.2. Chemical Composition of Powders
3.3. XRD Analysis
3.4. FTIR Spectroscopy
3.5. EPR Spectroscopy
3.6. Textural Properties of the Powders According to Measures of Nitrogen Adsorption
3.7. SEM Investigation
3.8. TEM Investigation
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Medium | Concentration, % | Ripening Time, Days |
---|---|---|---|
H2O-0 | H2O * | - | 0 |
H2O-7 | H2O * | - | 7 |
PVA2.5-0 | PVA | 2.5 | 0 |
PVA2.5-7 | PVA | 2.5 | 7 |
PVA5-0 | PVA | 5 | 0 |
PVA5-7 | PVA | 5 | 7 |
PVA10-0 | PVA | 10 | 0 |
PVA10-7 | PVA | 10 | 7 |
PVP2.5-0 | PVP | 2.5 | 0 |
PVP2.5-7 | PVP | 2.5 | 7 |
PVP5-0 | PVP | 5 | 0 |
PVP5-7 | PVP | 5 | 7 |
PVP10-0 | PVP | 10 | 0 |
PVP10-7 | PVP | 10 | 7 |
Mother Liquor | Concentration, % | Viscosity, mPa·s |
---|---|---|
H2O | - | 1.0 |
PVA | 10 | 1.5 |
PVP | 10 | 2.5 |
Sample | pH Values | Agglomerate Size, μm * | Zeta potential, mV ** | |||
---|---|---|---|---|---|---|
0 Days | 7 Days | 0 Days | 7 Days | 0 Days | 7 Days | |
H2O | 10.3 ± 0.02 | 7.5 ± 0.01 | 0.18 | 0.04 | −1.7 | −2.4 |
PVA10 | 10.7 ± 0.03 | 9.2 ± 0.04 | 0.11 | 0.10 | +0.7 | +0.9 |
PVP10 | 10.0 ± 0.02 | 8.8 ± 0.02 | 0.23 | 0.06 | −4.4 | +1.8 |
Sample | CCa1 *, mmol/L | CP1 *, mmol/L | CCa2 **, mmol/L | CP2 **, mmol/L | Ca/P |
---|---|---|---|---|---|
H2O-0 | 31.00 | 0.01 (1) | 316.00 | 207.99 | 1.52 |
H2O-7 | 0.56 | 0.01 (5) | 346.44 | 207.98 | 1.67 |
PVA10-0 | 12.43 | 0.01 (8) | 334.57 | 207.98 | 1.61 |
PVA10-7 | 0.64 | 0.17 (6) | 346.36 | 207.82 | 1.67 |
PVP10-0 | 9.72 | 0.08 (6) | 337.28 | 207.91 | 1.62 |
PVP10-7 | 1.07 | 0.27 (7) | 345.93 | 207.72 | 1.67 |
Sample | Ca Concentration * | P Concentration * | Ca/P Molar Ratio |
---|---|---|---|
wt.% | wt.% | ||
H2O-0 | 36.2 | 18.6 | 1.51 |
H2O-7 | 36.8 | 17.7 | 1.61 |
PVA10-0 | 36.3 | 17.7 | 1.59 |
PVA10-7 | 37.9 | 17.2 | 1.71 |
PVP10-0 | 36.5 | 17.8 | 1.59 |
PVP10-7 | 38.4 | 16.3 | 1.83 |
Sample | H2O-0/ H2O-7 | PVA2.5-0/ PVA2.5-7 | PVA5-0/ PVA5-7 | PVA10-0/ PVA10-7 | PVP2.5-0/ PVP2.5-7 | PVP5-0/ PVP5-7 | PVP10-0/ PVP10-7 |
---|---|---|---|---|---|---|---|
D, nm | 11 (2) | 12 (2) | 11 (9) | 11 (7) | 13 (0) | 13 (4) | 7 (0) |
12 (8) | 14 (4) | 12 (5) | 14 (4) | 15 (1) | 14 (1) | 12 (7) |
Sample | SSA, m2/g | DSSA, nm | Total Pore Volume, cm3/g | Pore Size, nm |
---|---|---|---|---|
H2O-0 | 101.3 | 20 | 0.66 | 23 |
H2O-7 | 112.2 | 18 | 0.62 | 19 |
PVA2.5-0 | 86.9 | 23 | 0.42 | 18 |
PVA2.5-7 | 107.9 | 19 | 0.48 | 16 |
PVA5-0 | 73.7 | 27 | 0.27 | 12 |
PVA5-7 | 82.5 | 24 | 0.29 | 12 |
PVA10-0 | 81.4 | 25 | 0.40 | 16 |
PVA10-7 | 113.4 | 18 | 0.47 | 13 |
PVP2.5-0 | 88.5 | 23 | 0.37 | 15 |
PVP2.5-7 | 139.3 | 14 | 0.52 | 12 |
PVP5-0 | 94.8 | 21 | 0.42 | 16 |
PVP5-7 | 139.1 | 14 | 0.51 | 12 |
PVP10-0 | 158.0 | 13 | 0.37 | 8 |
PVP10-7 | 195.8 | 10 | 0.71 | 12 |
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Antonova, O.S.; Goldberg, M.A.; Fomin, A.S.; Kucheryaev, K.A.; Konovalov, A.A.; Sadovnikova, M.A.; Murzakhanov, F.F.; Sitnikov, A.I.; Leonov, A.V.; Andreeva, N.A.; et al. Meso-Macroporous Hydroxyapatite Powders Synthesized in Polyvinyl Alcohol or Polyvinylpyrrolidone Media. Nanomaterials 2024, 14, 1338. https://doi.org/10.3390/nano14161338
Antonova OS, Goldberg MA, Fomin AS, Kucheryaev KA, Konovalov AA, Sadovnikova MA, Murzakhanov FF, Sitnikov AI, Leonov AV, Andreeva NA, et al. Meso-Macroporous Hydroxyapatite Powders Synthesized in Polyvinyl Alcohol or Polyvinylpyrrolidone Media. Nanomaterials. 2024; 14(16):1338. https://doi.org/10.3390/nano14161338
Chicago/Turabian StyleAntonova, Olga S., Margarita A. Goldberg, Alexander S. Fomin, Kirill A. Kucheryaev, Anatoliy A. Konovalov, Margarita A. Sadovnikova, Fadis F. Murzakhanov, Aleksey I. Sitnikov, Alexander V. Leonov, Nadezhda A. Andreeva, and et al. 2024. "Meso-Macroporous Hydroxyapatite Powders Synthesized in Polyvinyl Alcohol or Polyvinylpyrrolidone Media" Nanomaterials 14, no. 16: 1338. https://doi.org/10.3390/nano14161338