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Song B, Zhang E, Shi Y, Wang W, Zhu H, Gallagher SJ, Fischer S, Rigney J, Kim E, Cao Z. Zwitterionic Hydrogel Coating with Antisediment Properties for Marine Antifouling Applications. ACS APPLIED MATERIALS & INTERFACES 2024; 16:27908-27916. [PMID: 38752559 DOI: 10.1021/acsami.4c02574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Biofouling is a serious issue affecting the marine industry because the attached micro- and macrocontaminants can increase fuel consumption and damage ship hulls. A hydrophilic hydrogel-based coating is considered a promising antifouling material because it is environmentally friendly and the dense hydration layer can protect the substrate from microbial attachment. However, sediment adsorption can be an issue for hydrogel-based coatings. Their natural soft and porous structures can trap sediment from the marine environment and weaken the antifouling capability. There is still little research on the antisediment properties of hydrogels, and none of them deal with this problem. Here, we report on optimizing zwitterionic hydrogel-based coatings to improve their antisediment properties and achieve comparable performance to commercial biocidal coatings, which are the gold standard in the antifouling coating area. After 1 week of sediment contamination and 2 weeks of diatom coculturing, this optimized zwitterionic hydrogel coating maintained its antifouling properties with a few diatoms on the surface. Its large-scale samples also achieved antifouling performance similar to that of biocidal coatings in the Atlantic Ocean for 1.5 months. More importantly, our research provides a universal strategy to improve the antisediment properties of soft hydrogel-based coatings. For the first time, we report that the introduction of interfacial electrostatic interactions enhanced the antisediment properties of hydrogels.
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Affiliation(s)
- Boyi Song
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
| | - Ershuai Zhang
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
| | - Yuanjie Shi
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
| | - Wei Wang
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
| | - Hui Zhu
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
| | - Sheu-Jane Gallagher
- Repela Tech, LLC, 46701 Commerce Center Drive, Plymouth, Michigan 48170, United States
| | - Stephen Fischer
- Repela Tech, LLC, 46701 Commerce Center Drive, Plymouth, Michigan 48170, United States
| | - Jennifer Rigney
- Repela Tech, LLC, 46701 Commerce Center Drive, Plymouth, Michigan 48170, United States
| | - Edward Kim
- Repela Tech, LLC, 46701 Commerce Center Drive, Plymouth, Michigan 48170, United States
| | - Zhiqiang Cao
- Department of Chemical Engineering and Materials Science, College of Engineering, Wayne State University, Detroit, Michigan 48202, United States
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Canepa P, Gregurec D, Liessi N, Rotondi SMC, Moya SE, Millo E, Canepa M, Cavalleri O. Biofunctionalization of Porous Titanium Oxide through Amino Acid Coupling for Biomaterial Design. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16020784. [PMID: 36676545 PMCID: PMC9865921 DOI: 10.3390/ma16020784] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 05/27/2023]
Abstract
Porous transition metal oxides are widely studied as biocompatible materials for the development of prosthetic implants. Resurfacing the oxide to improve the antibacterial properties of the material is still an open issue, as infections remain a major cause of implant failure. We investigated the functionalization of porous titanium oxide obtained by anodic oxidation with amino acids (Leucine) as a first step to couple antimicrobial peptides to the oxide surface. We adopted a two-step molecular deposition process as follows: self-assembly of aminophosphonates to titanium oxide followed by covalent coupling of Fmoc-Leucine to aminophosphonates. Molecular deposition was investigated step-by-step by Atomic Force Microscopy (AFM) and X-ray Photoemission Spectroscopy (XPS). Since the inherent high roughness of porous titanium hampers the analysis of molecular orientation on the surface, we resorted to parallel experiments on flat titanium oxide thin films. AFM nanoshaving experiments on aminophosphonates deposited on flat TiO2 indicate the formation of an aminophosphonate monolayer while angle-resolved XPS analysis gives evidence of the formation of an oriented monolayer exposing the amine groups. The availability of the amine groups at the outer interface of the monolayer was confirmed on both flat and porous substrates by the following successful coupling with Fmoc-Leucine, as indicated by high-resolution XPS analysis.
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Affiliation(s)
- Paolo Canepa
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
| | - Danijela Gregurec
- Department of Chemistry and Pharmacy, Chair of Aroma and Smell Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, Schlossplatz 4, 91054 Erlangen, Germany
| | - Nara Liessi
- Dipartimento di Medicina Sperimentale, Università di Genova, Viale Benedetto XV 1, 16132 Genova, Italy
| | | | - Sergio Enrique Moya
- Soft Matter Nanotechnology Group, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo Miramón 182, 20014 San Sebastián, Spain
| | - Enrico Millo
- Dipartimento di Medicina Sperimentale, Università di Genova, Viale Benedetto XV 1, 16132 Genova, Italy
| | - Maurizio Canepa
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
- INFN, Sezione di Genova, Via Dodecaneso 33, 16146 Genova, Italy
| | - Ornella Cavalleri
- Dipartimento di Fisica and OPTMATLAB, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
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Park K, Kim S, Jo Y, Park J, Kim I, Hwang S, Lee Y, Kim SY, Seo J. Lubricant skin on diverse biomaterials with complex shapes via polydopamine-mediated surface functionalization for biomedical applications. Bioact Mater 2022; 25:555-568. [PMID: 37056251 PMCID: PMC10088055 DOI: 10.1016/j.bioactmat.2022.07.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/08/2022] [Accepted: 07/17/2022] [Indexed: 12/28/2022] Open
Abstract
Implantable biomedical devices require an anti-biofouling, mechanically robust, low friction surface for a prolonged lifespan and improved performance. However, there exist no methods that could provide uniform and effective coatings for medical devices with complex shapes and materials to prevent immune-related side effects and thrombosis when they encounter biological tissues. Here, we report a lubricant skin (L-skin), a coating method based on the application of thin layers of bio-adhesive and lubricant-swellable perfluoropolymer that impart anti-biofouling, frictionless, robust, and heat-mediated self-healing properties. We demonstrate biocompatible, mechanically robust, and sterilization-safe L-skin in applications of bioprinting, microfluidics, catheter, and long and narrow medical tubing. We envision that diverse applications of L-skin improve device longevity, as well as anti-biofouling attributes in biomedical devices with complex shapes and material compositions.
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Affiliation(s)
- Kijun Park
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Seunghoi Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Yejin Jo
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Jae Park
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Inwoo Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Sooyoung Hwang
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Yeontaek Lee
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - So Yeon Kim
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technologies, Seoul, 02792, Republic of Korea
| | - Jungmok Seo
- School of Electronic and Electronic Engineering, Yonsei University, Seoul, 03722, Republic of Korea
- Corresponding author.
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Flörke C, Eisenbeiß AK, Metz U, Gülses A, Acil Y, Wiltfang J, Naujokat H. Introducing a Novel Experimental Model for Osseo-Disintegration of Titanium Dental Implants Induced by Monobacterial Contamination: An In-Vivo Feasibility Study. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7076. [PMID: 34832476 PMCID: PMC8623268 DOI: 10.3390/ma14227076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 12/19/2022]
Abstract
Background and Objectives: The aim of the current study was to establish an osseo-disintegration model initiated with a single microorganism in mini-pigs. Materials and Methods: A total of 36 titanium dental implants (3.5 mm in diameter, 9.5 mm in length) was inserted into frontal bone (n: 12) and the basis of the corpus mandible (n: 24). Eighteen implants were contaminated via inoculation of Enterococcus faecalis. Six weeks after implant insertion, bone-to-implant contact (BIC) ratio, interthread bone density (ITBD), and peri-implant bone density (PIBD) were examined. In addition to that, new bone formation was assessed via fluorescence microscopy, histomorphometry, and light microscopical examinations. Results: Compared to the sterile implants, the contaminated implants showed significantly reduced BIC (p < 0.001), ITBD (p < 0.001), and PBD (p < 0.001) values. Around the sterile implants, the green and red fluorophores were overlapping and surrounding the implant without gaps, indicating healthy bone growth on the implant surface, whereas contaminated implants were surrounded by connective tissue. Conclusions: The current experimental model could be a feasible option to realize a significant alteration of dental-implant osseointegration and examine novel surface decontamination techniques without impairing local and systemic inflammatory complications.
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Affiliation(s)
- Christian Flörke
- Department of Oral and Maxillofacial Surgery, UKSH, Christian-Albrechts-University, 24105 Kiel, Germany; (A.-K.E.); (U.M.); (Y.A.); (J.W.); (H.N.)
| | | | | | - Aydin Gülses
- Department of Oral and Maxillofacial Surgery, UKSH, Christian-Albrechts-University, 24105 Kiel, Germany; (A.-K.E.); (U.M.); (Y.A.); (J.W.); (H.N.)
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