羟基磷灰石晶须抗菌改性的工艺研究

Abstract

Abstract: Objective To explore the preparation of several kinds of morphologies of ZnO HAPw with different temperatures and pH values.Methods Hydroxyapatite whisker was modified by Zinc acetate via solgel,which was stirred,concussed,spun and annealed,and then white powder was obtained.At last,it was analyzed by transmission electron microscopy scanning electron microscope and energy dispersive Xray spectroscopy.Results Four kinds of morphologies of ZnOHAPw were granule,triangle,short rod and gongs nail at pH=6.4 and 70 ℃,pH=6.6 and 70 ℃,pH=6.6 and 37 ℃,pH=6.6 and 37 ℃ respectively.It was demonstrated that the substance on the whisker surface was ZnO by analyzing energy dispersive Xray spectroscopy.Conclusions Hydroxyapatite whisker could be modified by Zinc acetate via solgel.And different morphologies of ZnOHAPw can be produced with different temperatures and pH values.

Key words: Zinc oxide, Hydroxyapatite whisker, Sol-gel method, Modification, Morphology

CLC Number:

R783.1

References

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The study of antibacterial modification of hydroxyapatite whisker

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