Incorporating catechol into electroactive polypyrrole nanowires on titanium to promote hydroxyapatite formation

To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction bet...

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Published inBioactive materials Vol. 3; no. 1; pp. 74 - 79
Main Authors Wang, Zhengao, Zeng, Jinquan, Tan, Guoxin, Liao, Jingwen, Zhou, Lei, Chen, Junqi, Yu, Peng, Wang, Qiyou, Ning, Chengyun
Format Journal Article
LanguageEnglish
Published China Elsevier B.V 01.03.2018
KeAi Publishing
KeAi Communications Co., Ltd
Subjects
Catechol
Hydroxyapatite
Nanowires
Polypyrrole
Titanium
Titanium
Hydroxyapatite
Catechol
Nanowires
Polypyrrole
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Abstract To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant. [Display omitted] •Nanowires were constructed through electrochemical polymerization of pyrrole and dapamine•The PPy/PDA nanowires possessed wonderful electroactivity.•The PPy/PDA nanowires could promote Hydroxyapatite formation.
AbstractList To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant.
To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant.To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant.
To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca 2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant. Image 1 • Nanowires were constructed through electrochemical polymerization of pyrrole and dapamine • The PPy/PDA nanowires possessed wonderful electroactivity. • The PPy/PDA nanowires could promote Hydroxyapatite formation.
To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant.
To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical polymerization of dopamine and pyrrole. The highly binding affinity of Ca2+ to the catechol moiety of doped dopamine enabled efficient interaction between polypyrrole/polydopamine nanowires and mineral ions. The results indicate that the PPy/PDA nanowires preserved its efficient electro-activity and accelerated the hydroxyapatite deposition in a simulated body fluid. The PPy/PDA nanowires coating could be applied to promote the osteointegration of titanium implant. [Display omitted] •Nanowires were constructed through electrochemical polymerization of pyrrole and dapamine•The PPy/PDA nanowires possessed wonderful electroactivity.•The PPy/PDA nanowires could promote Hydroxyapatite formation.
Author Chen, Junqi
Yu, Peng
Wang, Qiyou
Zeng, Jinquan
Zhou, Lei
Ning, Chengyun
Liao, Jingwen
Wang, Zhengao
Tan, Guoxin
AuthorAffiliation c Guangzhou Tieyi Middle School, Guangzhou 510660, China
e Guangzhou Institute of Advanced Technology, Chinese Academy of Sciences, Guangzhou 510006, China
d Institute of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
a School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
b Guangdong Key Laboratory of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou 510006, China
f Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
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Issue 1
Keywords Titanium
Hydroxyapatite
Catechol
Nanowires
Polypyrrole
Language English
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Snippet To improve the osteointegration property of biomedical titanium, nano-architectured electroactive coating was synthesized through the electrochemical...
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StartPage 74
SubjectTerms Catechol
Hydroxyapatite
Nanowires
Polypyrrole
Titanium
Title Incorporating catechol into electroactive polypyrrole nanowires on titanium to promote hydroxyapatite formation
URI https://dx.doi.org/10.1016/j.bioactmat.2017.05.006
https://www.ncbi.nlm.nih.gov/pubmed/29744443
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https://pubmed.ncbi.nlm.nih.gov/PMC5935656
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