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Applicant:
Central University of Tamil Nadu 
Author:
M. Chozhanathmisra, S. Ramya, L. Kavitha, D. Gopi 
Corresponding Authors:
D. Gopi 
DOI #:
10.1016/j.colsurfa.2016.10.018 
Title:
Development of zinc-halloysite nanotube/minerals substituted hydroxyapatite bilayer coatings on titanium alloy for orthopedic applications 
Journal:
Colloids and Surfaces A: Physicochemical and Engineering Aspects 
Year:
2016 
Volume:
511 
Page:
357-365 
Keywords:
Zinc-halloysite nanotubesSubstituted hydroxyapatiteBilayerElectrodepositionAntibacterial activity 
Abstract:
In the present investigation, the zinc-halloysite nanotubes (Zn-HNT)/strontium (Sr2+), samarium (Sm2+) substituted hydroxyapatite (M-HA) bilayer coating is obtained on titanium alloy (Ti6Al4V) by electrodeposition and the Zn-HNT/M-HA bilayer coating can be successfully combined to produce the bioactive and corrosion resistance for orthopaedic applications. The existence the of the as-developed Zn-HNT/M-HA bilayer coating on Ti6Al4V was confirmed by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), high resolution scanning electron microscopy (HRSEM), energy dispersive X-ray analysis (EDAX) and high resolution transmission electron microscopy (HRTEM). The effects of Zn-HNT/M-HA bilayer coating on anticorrosion property of Ti6Al4V were also investigated using electrochemical studies in the simulated body fluid (SBF) solution. The antibacterial activity and in-vitro cell viability of the Zn-HNT/M-HA bilayer coating were investigated. As a result of these investigations, it is revealed that the Zn-HNT/M-HA bilayer coating on Ti6Al4V improved the anticorrosion performance and the combination of Zn-HNT and M-HA in the bilayer coating significantly enhanced the bioactivity of the as coated Ti6Al4V which is potential for orthopedic applications. 
Entered by:
Kavitha Louis on 2020-09-03 
 
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