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Surface characterization of electro-assisted titanium implants: A multi-technique approach

Lookup NU author(s): Dr Ana Ferreira-DuarteORCiD, Dr Piergiorgio GentileORCiD



This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


© 2020 by the authors.The understanding of chemical-physical, morphological, and mechanical properties of polymer coatings is a crucial preliminary step for further biological evaluation of the processes occurring on the coatings' surface. Several studies have demonstrated how surface properties play a key role in the interactions between biomolecules (e.g., proteins, cells, extracellular matrix, and biological fluids) and titanium, such as chemical composition (investigated by means of XPS, TOF-SIMS, and ATR-FTIR), morphology (SEM-EDX), roughness (AFM), thickness (Ellipsometry), wettability (CA), solution-surface interactions (QCM-D), and mechanical features (hardness, elastic modulus, adhesion, and fatigue strength). In this review, we report an overview of the main analytical and mechanical methods commonly used to characterize polymer-based coatings deposited on titanium implants by electro-assisted techniques. A description of the relevance and shortcomings of each technique is described, in order to provide suitable information for the design and characterization of advanced coatings or for the optimization of the existing ones.

Publication metadata

Author(s): Cometa S, Bonifacio MA, Ferreira AM, Gentile P, de Giglio E

Publication type: Review

Publication status: Published

Journal: Materials

Year: 2020

Volume: 13

Issue: 3

Online publication date: 05/02/2020

Acceptance date: 22/01/2020

ISSN (electronic): 1996-1944

Publisher: MDPI AG


DOI: 10.3390/ma13030705