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Coatings
Special Issues
Membrane Coatings for Surface Bio-Modifications
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Membrane Coatings for Surface Bio-Modifications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 3626

Special Issue Editors

Dr. James Kit-Hon Tsoi

E-Mail Website
Guest Editor
Dental Materials Science, Faculty of Dentistry, The University of Hong Kong, Sai Ying Pun, Hong Kong
Interests: dental materials; adhesion; titanium; implants; pharmaceutics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Chi-Wai Kan

E-Mail Website
Co-Guest Editor
Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
Interests: textile coloration and finishing; surface treatment of textile materials; textile product evaluation; textile testing instrumentation; safety and health management; environmental management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We invite researchers to submit innovative and original works to this Special Issue “Membrane Coatings for Surface Bio-modifications”. Membrane coatings involve a variety of platform surface technologies that need inter- and multi-disciplinary approaches to work with. Since there are various biological and clinical applications that need spectacular functions, different bio-modifications via physical, chemical or biological methods on membrane coatings could enable the surfaces to become bioactive, bioinert, biostatic, biocidal and so on, or even multi-functional. Thus, the aim of this Special Issue is to present the latest experiments, technologies, and trials, by highlighting membrane coatings through a combination of original research papers, review articles, and trial papers from leading groups around the world.

In particular, the topics of interest include but are not limited to:

  • Physical membrane for bio-modifications;
  • Chemical membrane for bio-modifications;
  • Biological membrane for bio-modifications;
  • Clinical trial and animal trial;
  • Techniques of coating and fabrication;
  • Biological interaction with membrane coatings;
  • Biofunctional coatings.

Dr. James Kit-hon Tsoi
Prof. Chi-Wai Kan
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.

Published Papers (1 paper)

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Research

17 pages, 19118 KiB  
Article
Degradation Behavior, Transport Mechanism and Osteogenic Activity of Mg–Zn–RE Alloy Membranes in Critical-Sized Rat Calvarial Defects
by Mingyu Zhao, Guanqi Liu, Ying Li, Xiaodong Yu, Shenpo Yuan, Zhihua Nie, Jiewen Wang, Jianmin Han, Chengwen Tan and Chuanbin Guo
Coatings 2020, 10(5), 496; https://doi.org/10.3390/coatings10050496 - 22 May 2020
Cited by 9 | Viewed by 2567
Abstract
In this study, a specific Mg–Zn–RE alloy membrane with 6 wt.% zinc and 2.7 wt.% rare earth elements (Y, Gd, La and Ce) was prepared to investigate implant degradation, transport mechanism and guide bone regeneration in vivo. The Mg-membrane microstructure and precipitates were [...] Read more.
In this study, a specific Mg–Zn–RE alloy membrane with 6 wt.% zinc and 2.7 wt.% rare earth elements (Y, Gd, La and Ce) was prepared to investigate implant degradation, transport mechanism and guide bone regeneration in vivo. The Mg-membrane microstructure and precipitates were characterized by the scanning electron microscopy (SEM) and the transmission electron microscopy (TEM). The Mg-membrane degradation process and effect on osteogenesis were investigated in a critical-sized rat calvarial defect model via micro-CT examination and hard tissue slicing after 2-, 5- and 8-week implants. Then, the distribution of elements in organs after 1-, 2- and 4-weeks implantation was examined to explore their transportation routes. Results showed that two types of precipitates had formed in the Mg–membrane after a 10-h heat treatment at 175 °C: γ-phase MgZn precipitation with dissolved La, Ce and Gd, and W-phase Mg3(Y, Gd)2Zn3 precipitation rich in Y and Gd. In the degradation process of the Mg-membrane, the Mg matrix degraded first, and the rare earth-rich precipitation particles were transferred to a more stable phosphate compound. The element release rate was dependent on the precipitate type and composition. Rare earth elements may be transported mainly through the lymph system. The defects were repaired rapidly by the membranes. The Mg-membrane used in the present study showed excellent biocompatibility and enhanced bone formation in the vicinity of the implants. Full article
(This article belongs to the Special Issue Membrane Coatings for Surface Bio-Modifications)
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