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Study on the Antibacterial Modification of HAP Whiskers Filling

Author: LiuWenYing
Tutor: ZhangWenYun
School: Kunming Medical College
Course: Clinical Stomatology
Keywords: Sol - gel method Nano-ZnO Hydroxyapatite whiskers Antibacterial properties Composite resin
CLC: TB383.1
Type: Master's thesis
Year: 2011
Downloads: 28
Quote: 0
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Abstract


[Objective] sol - gel technique for preparing ZnO conditions , nano- ZnO fused HAPw process parameters , prepared with rough surface HAPw / ZnO filler further to study HAPw / ZnO composite fillings common oral pathogens antibacterial properties, in order to lay the foundation for the next step preparing antibacterial filler . Materials and Methods ] The sol - gel technique for preparing ZnO study at different pH values ??, different amount of surface modifier and cyclohexane amount of generation of nano - ZnO particle size , dispersion and antibacterial properties : In determining the under the preparation conditions of nano-ZnO nano-ZnO through a certain process fused to the surface of the ceramic whiskers , the TEM observation HAPw / the ZnO filler composite morphology ; the the four inorganic filler liquid dilution method detection ( homemade nano- ZnO HAPw / ZnO, goods nano- ZnO tetrapod-like zinc oxide whiskers ) of oral pathogenic bacteria antibacterial properties . [Results ] pH value 8.2 , oleic acid amount and the total amount of alcohol solution ratio of 0.0015 , the amount of cyclohexane the total alcohol solution prepared in 1 /2 small particle size of nano - ZnO nano , good dispersion ; under this condition nano - ZnO colloid prepared through a certain process can be fused in the HAPw , whiskers modified ; antibacterial properties homemade nano- ZnO HAPw / ZnO , commodity nano- ZnO tetrapod-like zinc oxide whisker four antimicrobial agents which have some antibacterial the best homemade nano ZnO antibacterial properties . [Conclusion ] zinc acetate alcohol solution can be prepared in the sol - gel under the conditions of the nano- ZnO ; modified nano- ZnO prepared by sol - gel method can be used to HAPw ; HAPw modified by nano- ZnO have some antibacterial .

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