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Advanced Bioadhesive and Bioabhesive Coatings
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Advanced Bioadhesive and Bioabhesive Coatings

A special issue of Coatings (ISSN 2079-6412).

Deadline for manuscript submissions: closed (31 August 2018) | Viewed by 35541

Special Issue Editor

Dr. Terry W.J. Steele

E-Mail Website1 Website2
Guest Editor
School of Materials Science & Engineering, Nanyang Technological University, 4.1-01-29, 50 Nanyang Avenue, Singapore 639798
Interests: plasma treatments; adhesives, thin films; drug delivery; biosensors

Special Issue Information

Dear Colleagues,

This Special Issue is dedicated to highlighting the important advances and innovations in “Advanced Bioadhesive and Bioabhesive Coatings”. Bioadhesive coatings seek to bridge biomaterials to soft tissue interfaces through non-mechanical means that rely on interfacial tangling and chemical bonding, e.g., primary bonds (ionic and covalent) or secondary intermolecular forces (hydrogen bonding and Van der Waal bonds).

Bioabhesive coatings seek the opposite interaction. Abhesion or anti-adhesive non-stick coatings aim toward non-fouling surfaces to prevent protein and bacterial adsorption or the prevention of soft tissue adhesions between fascial layers. Both abhesive applications often rely on hydrophilic polymeric surface modifications.

The goal of this Special Issue is to publish original research articles, as well as critical reviews and perspectives from leaders, in both academia and industry, on all aspects related to the recent advances in the design, synthesis, development, and potential challenges in “Advanced Bioadhesive and Bioabhesive Coatings”. The contributions from the authors on the new concepts, mechanisms, and the potential impact of related adhesive or abhesive technologies on the future of medicine are also welcome.

Dr. Terry W.J. Steele
Guest Editor

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

  • bioadhesive
  • soft tissue adhesion
  • non-fouling surfaces
  • polymer brushes
  • thin films
  • coatings
  • chemical vapor deposition
  • physical vapor deposition
  • polymer graft

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Published Papers (7 papers)

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Research

16 pages, 5864 KiB  
Article
Specific Features of Structure, Electrical Conductivity and Interlayer Adhesion of the Natural Polymer Matrix from the Layers of Branched Carbon Nanotube Networks Filled with Albumin, Collagen and Chitosan
by George V. Savostyanov, Michael M. Slepchenkov, Dmitriy S. Shmygin and Olga E. Glukhova
Coatings 2018, 8(11), 378; https://doi.org/10.3390/coatings8110378 - 24 Oct 2018
Cited by 5 | Viewed by 4052
Abstract
This paper considers the problem of creating a conductive matrix with a framework made of carbon nanotubes (CNTs) for cell and tissue engineering. In silico investigation of the electrical conductivity of the framework formed by T-junctions of single-walled carbon nanotubes (SWNTs) (12, 12) [...] Read more.
This paper considers the problem of creating a conductive matrix with a framework made of carbon nanotubes (CNTs) for cell and tissue engineering. In silico investigation of the electrical conductivity of the framework formed by T-junctions of single-walled carbon nanotubes (SWNTs) (12, 12) with a diameter of 1.5 nm has been carried out. A numerical evaluation of the contact resistance and electrical conductivity of seamless and suture T-junctions of SWCNTs is given. The effect of the type of structural defects in the contact area of the tubes on the contact resistance of the T-junction of SWCNTs was revealed. A coarse-grained model of a branched SWCNT network with different structure densities is constructed and its electrical conductivity is calculated. A new layered bioconstruction is proposed, the layers of which are formed by natural polymer matrixes: CNT-collagen, CNT-albumin and CNT-chitosan. The energy stability of the layered natural polymer matrix has been analyzed, and the adhesion of various layers to each other has been calculated. Based on the obtained results, a new approach has been developed in the formation of 3D electrically conductive bioengineering structures for the restoration of cell activity. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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17 pages, 723 KiB  
Article
Adhesion of Soft Materials to Rough Surfaces: Experimental Studies, Statistical Analysis and Modelling
by Andrey Pepelyshev, Feodor M. Borodich, Boris A. Galanov, Elena V. Gorb and Stanislav N. Gorb
Coatings 2018, 8(10), 350; https://doi.org/10.3390/coatings8100350 - 30 Sep 2018
Cited by 22 | Viewed by 4109
Abstract
Adhesion between rough surfaces is an active field of research where both experimental studies and theoretical modelling are used. However, it is rather difficult to conduct precise experimental evaluations of adhesive properties of the so-called anti-adhesive materials. Hence, it was suggested earlier by [...] Read more.
Adhesion between rough surfaces is an active field of research where both experimental studies and theoretical modelling are used. However, it is rather difficult to conduct precise experimental evaluations of adhesive properties of the so-called anti-adhesive materials. Hence, it was suggested earlier by Purtov et al. (2013) to prepare epoxy resin replicas of surfaces having different topography and conduct depth-sensing indentation of the samples using a micro-force tester with a spherical smooth probe made of the compliant polydimethylsiloxane polymer in order to compare values of the force of adhesion to the surfaces. Surprising experimental observations were obtained in which a surface having very small roughness showed the greater value of the force of adhesion than the value for a replica of smooth surface. A plausible explanation of the data was given suggesting that these rough surfaces had full adhesive contact and their true contact area is greater than the area for a smooth surface, while the surfaces with higher values of roughness do not have full contact. Here, the experimental results of surface topography measurements and the statistical analysis of the data are presented. Several modern tests of normality used showed that the height distribution of the surfaces under investigation is normal (Gaussian) and hence the classic statistical models of adhesive contact between rough surfaces may formally be used. Employing one of the Galanov (2011) models of adhesive contact between rough surfaces, the plausible explanation of the experimental observations has been confirmed and theoretically justified. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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13 pages, 2965 KiB  
Article
Characterization of Soybean Protein Adhesives Modified by Xanthan Gum
by Chen Feng, Fang Wang, Zheng Xu, Huilin Sui, Yong Fang, Xiaozhi Tang and Xinchun Shen
Coatings 2018, 8(10), 342; https://doi.org/10.3390/coatings8100342 - 26 Sep 2018
Cited by 21 | Viewed by 3844
Abstract
The aim of this study was to provide a basis for the preparation of medical adhesives from soybean protein sources. Soybean protein (SP) adhesives mixed with different concentrations of xanthan gum (XG) were prepared. Their adhesive features were evaluated by physicochemical parameters and [...] Read more.
The aim of this study was to provide a basis for the preparation of medical adhesives from soybean protein sources. Soybean protein (SP) adhesives mixed with different concentrations of xanthan gum (XG) were prepared. Their adhesive features were evaluated by physicochemical parameters and an in vitro bone adhesion assay. The results showed that the maximal adhesion strength was achieved in 5% SP adhesive with 0.5% XG addition, which was 2.6-fold higher than the SP alone. The addition of XG significantly increased the hydrogen bond and viscosity, as well as increased the β-sheet content but decreased the α-helix content in the second structure of protein. X-ray diffraction data showed significant interactions between SP molecules and XG. Scanning electron microscopy observations showed that the surface of SP adhesive modified by XG was more viscous and compact, which were favorable for the adhesion between the adhesive and bone. In summary, XG modification caused an increase in the hydrogen bonding and zero-shear viscosity of SP adhesives, leading to a significant increase in the bond strength of SP adhesives onto porcine bones. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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Graphical abstract

8 pages, 2116 KiB  
Communication
Dental Adhesion Enhancement on Zirconia Inspired by Mussel’s Priming Strategy Using Catechol
by Minsu Park, Sungwon Ju, Roscoe Linstadt, Jinsoo Ahn and Kollbe Ahn
Coatings 2018, 8(9), 298; https://doi.org/10.3390/coatings8090298 - 24 Aug 2018
Cited by 5 | Viewed by 4225
Abstract
Zirconia has recently become one of the most popular dental materials in prosthodontics being used in crowns, bridges, and implants. However, weak bonding strength of dental adhesives and resins to zirconia surface has been a grand challenge in dentistry, thus finding a better [...] Read more.
Zirconia has recently become one of the most popular dental materials in prosthodontics being used in crowns, bridges, and implants. However, weak bonding strength of dental adhesives and resins to zirconia surface has been a grand challenge in dentistry, thus finding a better adhesion to zirconia is urgently required. Marine sessile organisms such as mussels use a unique priming strategy to produce a strong bonding to wet mineral surfaces; one of the distinctive chemical features in the mussel’s adhesive primer proteins is high catechol contents among others. In this study, we pursued a bioinspired adhesion strategy, using a synthetic catechol primer applied to dental zirconia surfaces to study the effect of catecholic priming to shear bond strength. Catechol priming provided a statistically significant enhancement (p < 0.05) in shear bond strength compared to the bonding strength without priming, and relatively stronger bonding than commercially available zirconia priming techniques. This new bioinspired dental priming approach can be an excellent addition to the practitioner’s toolkit to improve dental bonding to zirconia. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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14 pages, 2882 KiB  
Article
The Surface Anodization of Titanium Dental Implants Improves Blood Clot Formation Followed by Osseointegration
by Tonino Traini, Giovanna Murmura, Bruna Sinjari, Giorgio Perfetti, Antonio Scarano, Camillo D’Arcangelo and Sergio Caputi
Coatings 2018, 8(7), 252; https://doi.org/10.3390/coatings8070252 - 20 Jul 2018
Cited by 25 | Viewed by 6526
Abstract
The anodization of titanium dental implant influences the biologic processes of osseointegration. 34 grit-blasted and acid-etched titanium specimens were used to evaluate micro- and nano-roughness (Ra), contact angle (θ) and blood clot extension (bce). 17 samples were anodized [...] Read more.
The anodization of titanium dental implant influences the biologic processes of osseointegration. 34 grit-blasted and acid-etched titanium specimens were used to evaluate micro- and nano-roughness (Ra), contact angle (θ) and blood clot extension (bce). 17 samples were anodized (test) while the remaining were used as control. The bce, was measured using 10 µL of human blood left in contact with titanium for 5 min at room temperature. The micro- and nano-scale Ra were measured under CLSM and AFM, respectively, while the θ was analyzed using the sessile drop technique. The bone-implant contact (BIC) rate was measured on two narrow implants retrieved for fracture. bce was 42.5 (±22) for test and 26.6% (±13)% for control group (p = 0.049). The micro-Ra was 6.0 (±1.5) for the test and 5.8 (±1.8) µm for control group (p > 0.05). The θ was 98.5° (±18.7°) for test and 103° (±15.2°) for control group (p > 0.05). The nano-Ra was 286 (±40) for the test and 226 (±40) nm for control group (p < 0.05). The BIC rate was 52.5 (±2.1) for test and 34.5% (±2.1%) for control implant (p = 0.014). (Conclusions) The titanium anodized surface significantly increases blood clot retention, significantly increases nano-roughness, and favors osseointegration. When placing dental implants in poor bone quality sites or with immediate loading protocol anodized Ti6Al4V dental implants should be preferred. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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9 pages, 819 KiB  
Article
Repair Bond Strength of a Resin Composite to Plasma-Treated or UV-Irradiated CAD/CAM Ceramic Surface
by Atsushi Kameyama, Akiko Haruyama, Akihiro Tanaka, Akio Noro, Toshiyuki Takahashi, Masao Yoshinari, Masahiro Furusawa and Shuichiro Yamashita
Coatings 2018, 8(7), 230; https://doi.org/10.3390/coatings8070230 - 28 Jun 2018
Cited by 6 | Viewed by 5263
Abstract
The aim of this study was to investigate whether atmospheric-pressure plasma (APP) or ultraviolet (UV) irradiation could alter the hydrophilicity of a computer-aided design/computer-aided manufacturing (CAD/CAM) glass ceramic surface, and thereby enhance the repair bond strength between the ceramic and a resin composite. [...] Read more.
The aim of this study was to investigate whether atmospheric-pressure plasma (APP) or ultraviolet (UV) irradiation could alter the hydrophilicity of a computer-aided design/computer-aided manufacturing (CAD/CAM) glass ceramic surface, and thereby enhance the repair bond strength between the ceramic and a resin composite. Forty-eight leucite-reinforced glass ceramic discs were treated with 40% phosphoric acid and randomly assigned into one of six groups: Group 1, control; Group 2, treated with a mixture of Clearfil SE Bond primer (SEP) and Clearfil Porcelain Bond Activator (PBA); Group 3, subjected to APP irradiation for 10 s; Group 4, subjected to UV irradiation for 60 min; Group 5, APP irradiation followed by SEP/PBA; and Group 6, UV irradiation followed by SEP/PBA. After treatment, discs were bonded with resin composite using Clearfil SE Bond and stored in water at 37 °C for 1 week. We then tested how these treatments affected the microtensile bond strength (µTBS) and measured changes in the water contact angle (CA). Samples from Group 2 showed the highest µTBS (44.3 ± 6.0 MPa) and CA (33.8 ± 2.3°), with no significant differences measured between Groups 1, 3, and 4 (p < 0.05). Furthermore, the additional treatments of APP or UV before SEP/PBA had no effect (Group 5, p = 0.229) or a reduced effect (Group 6, p = 0.006), respectively, on µTBS. Overall, APP or UV irradiation before SEP/PBA treatment did not enhance the repair bond strength. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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14 pages, 5302 KiB  
Article
Osteogenesis and Antibacterial Activity of Graphene Oxide and Dexamethasone Coatings on Porous Polyetheretherketone via Polydopamine-Assisted Chemistry
by Ling Ouyang, Meiyao Qi, Shengnan Wang, Shan Tu, Bogang Li, Yi Deng and Weizhong Yang
Coatings 2018, 8(6), 203; https://doi.org/10.3390/coatings8060203 - 28 May 2018
Cited by 26 | Viewed by 6441
Abstract
Endowing implants with antibacterial ability and osteogenic ability plays important roles in preventing post-operative bacterial contamination and facilitating integration between implants and osseous tissue, consequently reducing implant failure rates. In this study, we develop a facile and versatile strategy with dopamine as an [...] Read more.
Endowing implants with antibacterial ability and osteogenic ability plays important roles in preventing post-operative bacterial contamination and facilitating integration between implants and osseous tissue, consequently reducing implant failure rates. In this study, we develop a facile and versatile strategy with dopamine as an auxiliary for construction of dexamethasone (Dex)/liposome porous coatings. In detail, the surfaces of sulfonated polyetheretherketone (SP) plates are coated with polydopamine firstly and then modified with graphene oxide (GO) and dexamethasone (Dex)-loaded liposome, which is verified by contact angle, X-ray photoelectron spectroscopy (XPS), attenuated total reflection infrared (ATR), and Raman spectra. The results of our study suggest that the GO and Dex are successfully coated on the samples’ surfaces. In vitro cell attachment, growth, differentiation, and apatite deposition tests all illustrate that the substrate coated with GO and Dex can significantly accelerate the proliferation and osteogenic differentiation of MC3T3 cells compared with the pristine sulfonated polyetheretherketone (PEEK). Additionally, it exhibits acceptable antibacterial activity against E. coli and S. aureus in vitro. Altogether, our results demonstrate that the modified GO- and Dex-loaded substrates are endowed with impressive biocompatibility and certain antibacterial qualities, making it possible for future application as a perspective implant material. Full article
(This article belongs to the Special Issue Advanced Bioadhesive and Bioabhesive Coatings)
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