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Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique
Joint Authors
Zou, Jingcai
Li, Quanli
Wang, Li
Ou, Guomin
Shu, Yao
Source
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-10-25
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Engineering Sciences and Information Technology
Chemistry
Civil Engineering
Abstract EN
Extracellular matrix (ECM), like biomimetic surface modification of titanium implants, is a promising method for improving its biocompatibility.
In this paper chitosan (Chi) and heparin (Hep) multilayer was coated on pure titanium using a layer-by-layer (LbL) self-assembly technique.
The Hep-Chi multilayer growth was carried out by first depositing a single layer of positively charged poly-L-lysine (PLL) on the NaOH-treated titanium substrate (negatively charged surface), followed by alternate deposition of negatively charged Hep and positively charged Chi, and terminated by an outermost layer of Chi.
The multilayer was characterized by DR-FTIR, SEM, and AFM, and osteoblasts were cocultured with the modified titanium and untreated titanium surfaces, respectively, to evaluate their cytocompatibility in vitro.
The results confirmed that Hep-Chi multilayer was fabricated gradually on the titanium surface.
The Hep-Chi multilayer-coated titanium improved the adhesion, proliferation and differentiation of osteoblasts.
Thus, the approach described here may provide a basis for the preparation of modified titanium surfaces for use in dental or orthopedic implants.
American Psychological Association (APA)
Shu, Yao& Ou, Guomin& Wang, Li& Zou, Jingcai& Li, Quanli. 2010. Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique. Journal of Nanomaterials،Vol. 2011, no. 2011, pp.1-8.
https://search.emarefa.net/detail/BIM-471028
Modern Language Association (MLA)
Shu, Yao…[et al.]. Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique. Journal of Nanomaterials No. 2011 (2011), pp.1-8.
https://search.emarefa.net/detail/BIM-471028
American Medical Association (AMA)
Shu, Yao& Ou, Guomin& Wang, Li& Zou, Jingcai& Li, Quanli. Surface Modification of Titanium with Heparin-Chitosan Multilayers via Layer-by-Layer Self-Assembly Technique. Journal of Nanomaterials. 2010. Vol. 2011, no. 2011, pp.1-8.
https://search.emarefa.net/detail/BIM-471028
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-471028