To improve the porosity and mineralization of chitosan scaffolds,the woodpile architecture of the scaffolds were constructed,which were then modified by surface phosphorylation(PCSW) and biomineralization(BMCW).FTIR results show that phosphate species are conjugated to chitosan molecules.XRD results demonstrate that phosphate crystals form after 24 h of biomineralization,and highly crystallized hydroxyapatites(HA) have been detected after 48 h.SEM show that layers of dense HA crystals deposite on both of th...
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