自組裝仿生法快速沉積Ti-CHA涂層的研究.pdf

1、警“／69156學(xué)校編號(hào)：!鯉窆壘學(xué)號(hào)：2咝莖22福建師范大學(xué)碩士學(xué)位論文自組裝仿生法快速沉積Ti／CHA涂層的研究StudyofTi／CHAcoatingsfastdepositedbyselfassemblebiomimeticmethod。學(xué)科專業(yè)：研究方向：指導(dǎo)教師：申請(qǐng)學(xué)位級(jí)別：林嵐云玉扭垡掌玉扭垡物撾魁型搐羞熬撞堡堂亟論文提交日期：論文評(píng)閱人：論文答辯日期：答辯委員會(huì)主席：學(xué)位授予單位：學(xué)位授予日期：二oo五年五月福毽垣螢太

2、堂2壘壘曼壘且福建師范大學(xué)碩士學(xué)位論文AbstraetHydroxyapatite(HA)hasexcellentbiocompatibilityandbioactivityandTianditsalloyshavetheirexcellentmechanicspropertiesandbiocompatibilityTheTi／HAcompositematerialssynthesizedthroughintroducingHAcoa

3、tingsontoTianditsalloysmetalimplantsurfaceshavebeenhottopicinrecentyears，notonlyhavingthegoodmechanicspropertiesofTianditsalloysbuthavingtheexcellentbiologicalpropertiesoftheHAInthispaperbiomimetiemethodwascombinedwithse

4、lfassembletechniqueEDTAwasusedtofunctionlizetheTisurface，andtakingthefunctionalTisubstrateastemplate，theuniformanddenseCHAcoatingⅥwdepositedonthesubstrateThetechnicsofacid—alkalibiomimeticmethod，EDTAselfassembletechnique

5、andthecombinationofbiomimeticmethodandselfassembletechniquewerediscussedthroughstudyingthechangesofthecoatingmasses，morphologies，phaseconstitutes，themicrostructureandtherateofdepositionandSOonAndcellculturetestinvitrowas

6、carriedouttoevaluatethebiologicalpropertiesofTi／CHAcompositecoatingsTheexperimentresultsindicatedthatthespecialselfassembletechniquebyheatupandcircumfluenceiscarriedouttoshortentheperiodofpretreatmentandpredepositionwitl

7、Ca／Psolutionfollowedbyimmersionin15SBFcomesintousetoshortentheperiodofinducementandgrowthofapatiteItmakesthepurposecometruethatnotonlycombinethebiomimeticmethodandselfassembletechniquebutshortentheperiodofexperimentofCHA