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. 2021 Nov 18;13(22):3989. doi: 10.3390/polym13223989

Table 1.

Materials based on PVP with SA and HA.

Sample Number Sample Designation Sample Composition Polymer Concentration in Polymer-HA * Mixture, wt % HA/Polymer Ratio (Mass)
1 PVP *-HA PVP, HA in situ 2.76 0.028
2 PVP-HA PVP, HA in situ 5.52 0.014
3 PVP-HA PVP, HA in situ 11.00 0.007
4 PVP-HA PVP, HA ex situ 11.00 0.007
5 PVP-HA PVP, HA ex situ 11.00 0.028
Films for Swelling and In Vitro Investigations
6 PVP-SA * PVP:SA = 1:1 5.52 -
7 PVP-SA-HA PVP:SA = 1:1, HA in situ 5.52 0.014
8 PVP-SA-HA PVP:SA = 1:1, HA ex situ 5.52 0.014
9 PVP-SA PVP:SA = 1:2 5.52 -
10 PVP-SA-HA PVP:SA = 1:2, HA in situ 5.52 0.014
11 PVP-SA-HA PVP:SA = 1:2, HA ex situ 5.52 0.014

* HA—hydroxyapatite; PVP—polyvinylpyrrolidone; SA—sodium alginate.