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Functional Thin Films for Bio-Implants Applications
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Functional Thin Films for Bio-Implants Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Coatings for Biomedicine and Bioengineering".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 3362

Special Issue Editors

Prof. Dr. Tzer-Min Lee

E-Mail Website
Guest Editor
Institute of Oral Medicine, National Cheng Kung University, Tainan 701, Taiwan
Interests: biomaterials; surface treatment; artificial implants; nano-pattern materials; medical devices
Prof. Yan-Hsiung Wang

E-Mail Website
Guest Editor
School of Dentistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
Interests: biomaterial; bone physiology
Prof. Chih-Ling Huang

E-Mail Website
Guest Editor
Center for Fundamental Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
Interests: biomedical materials; non-destructive surface analysis

Special Issue Information

Dear Colleagues,

Functional thin films have excellent performance in various applications, such as thermal insulation elements, optical devices, and mechanical instruments, especially bio-implants. They are believed to possess a wide prospect of applications for their chemical resistances, mechanical toughness, and biocompatibility. However, functional thin films are, in most cases, still dominated by work on the development of metal implants. This Special Issue aims to cover research of relevance to various functional thin films for bio-implants applications. Focus will be on novel processing techniques related to these topics. The scope of this Special Issue includes, without being limited to, the following theme: Processing methods and technologies, characterization of properties of functional thin films. Contributions that provide an overview of functional thin films are also welcome. It is our pleasure to kindly invite you to submit a manuscript(s) for this Special Issue. Full papers, communications, and reviews are all very welcome.

Prof. Tzer-Min Lee
Prof. Yan-Hsiung Wang
Prof. Chih-Ling Huang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Bio-implant
  • Functional thin film
  • Biomaterials
  • Drug delivery
  • Biocompatibility
  • Antibacterial

Published Papers (1 paper)

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Research

23 pages, 4829 KiB  
Article
Effects of Various Polishing Techniques on the Surface Characteristics of the Ti-6Al-4V Alloy and on Bacterial Adhesion
by Yu-Ting Jhong, Chih-Yeh Chao, Wei-Chun Hung and Je-Kang Du
Coatings 2020, 10(11), 1057; https://0-doi-org.brum.beds.ac.uk/10.3390/coatings10111057 - 31 Oct 2020
Cited by 12 | Viewed by 2437
Abstract
Ti-6Al-4V, although widely used in dental materials, causes peri-implant inflammation due to the long-term accumulation of bacteria around the implant, resulting in bone loss and eventual failure of the implant. This study aims to overcome the problem of dental implant infection by analyzing [...] Read more.
Ti-6Al-4V, although widely used in dental materials, causes peri-implant inflammation due to the long-term accumulation of bacteria around the implant, resulting in bone loss and eventual failure of the implant. This study aims to overcome the problem of dental implant infection by analyzing the influence of Ti-6Al-4V surface characteristics on the quantity of accumulated bacteria. Ti-6Al-4V specimens, each with different surface roughness are produced by mechanical, chemical, and electrolytic polishing. The surface roughness, surface contact angle, surface oxygen content, and surface structure were measured via atomic force microscopy (AFM), laser scanning confocal microscopy (LSCM), drop shape analysis (using sessile drop), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). The micro and macro surface roughness are 10.33–120.05 nm and 0.68–2.34 μm, respectively. The surface X direction and Y direction contact angle are 21.38°–96.44° and 18.37°–92.72°, respectively. The surface oxygen content is 47.36–59.89 at.%. The number of colonies and the optical density (OD) are 7.87 × 106–17.73 × 106 CFU/mL and 0.189–0.245, respectively. The bacterial inhibition were the most effective under the electrolytic polishing of Ti-6Al-4V. The electrolytic polishing of Ti-6Al-4V exhibited the best surface characteristics: the surface roughness of 10 nm, surface contact angle of 92°, and surface oxygen content of 54 at.%, respectively. This provides the best surface treatment of Ti-6Al-4V in dental implants. Full article
(This article belongs to the Special Issue Functional Thin Films for Bio-Implants Applications)
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