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Luu CH, Nguyen NT, Ta HT. Unravelling Surface Modification Strategies for Preventing Medical Device-Induced Thrombosis. Adv Healthc Mater 2024; 13:e2301039. [PMID: 37725037 DOI: 10.1002/adhm.202301039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/29/2023] [Indexed: 09/21/2023]
Abstract
The use of biomaterials in implanted medical devices remains hampered by platelet adhesion and blood coagulation. Thrombus formation is a prevalent cause of failure of these blood-contacting devices. Although systemic anticoagulant can be used to support materials and devices with poor blood compatibility, its negative effects such as an increased chance of bleeding, make materials with superior hemocompatibility extremely attractive, especially for long-term applications. This review examines blood-surface interactions, the pathogenesis of clotting on blood-contacting medical devices, popular surface modification techniques, mechanisms of action of anticoagulant coatings, and discusses future directions in biomaterial research for preventing thrombosis. In addition, this paper comprehensively reviews several novel methods that either entirely prevent interaction between material surfaces and blood components or regulate the reaction of the coagulation cascade, thrombocytes, and leukocytes.
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Affiliation(s)
- Cuong Hung Luu
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Nam-Trung Nguyen
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Hang Thu Ta
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
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Luo J, Yu H, Lu B, Wang D, Deng X. Superhydrophobic Biological Fluid-Repellent Surfaces: Mechanisms and Applications. SMALL METHODS 2022; 6:e2201106. [PMID: 36287096 DOI: 10.1002/smtd.202201106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Superhydrophobic biological fluid-repellent surfaces (SBFRSs) have attracted great attention in the treatment of blood and urine-related diseases because of their unique wettability and compatibility, which creates a new path for the development of medical apparatus and instruments, and are expected to create advances in various fields. Here, this review provides an up-to-date summary of research progress on the repellent mechanism and application of SBFRSs. The underlying physical and chemical principles for designing superhydrophobic surfaces are first introduced. Then, the dialectical influences of solid-liquid interactions between superhydrophobic surfaces and biological fluids on the wettability and compatibility are emphatically expounded. Subsequently, attention is drawn to the recent applications of SBFRSs in biomedical fields, such as surgical medical apparatus, implant materials, extracorporeal circulation devices, and biological fluid detection. Finally, the outlook and challenges in terms of employing SBFRSs are also discussed. This review is expected to provide a comprehensive guidance for the preparation of SBFRSs with compatibility and long-term superhydrophobic stability that is closely related to clinical applications.
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Affiliation(s)
- Jing Luo
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Huali Yu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Binyang Lu
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Dehui Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Xu Deng
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
- Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, 518110, P. R. China
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Cyclo- and Polyphosphazenes for Biomedical Applications. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238117. [PMID: 36500209 PMCID: PMC9736570 DOI: 10.3390/molecules27238117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022]
Abstract
Cyclic and polyphosphazenes are extremely interesting and versatile substrates characterized by the presence of -P=N- repeating units. The chlorine atoms on the P atoms in the starting materials can be easily substituted with a variety of organic substituents, thus giving rise to a huge number of new materials for industrial applications. Their properties can be designed considering the number of repetitive units and the nature of the substituent groups, opening up to a number of peculiar properties, including the ability to give rise to supramolecular arrangements. We focused our attention on the extensive scientific literature concerning their biomedical applications: as antimicrobial agents in drug delivery, as immunoadjuvants in tissue engineering, in innovative anticancer therapies, and treatments for cardiovascular diseases. The promising perspectives for their biomedical use rise from the opportunity to combine the benefits of the inorganic backbone and the wide variety of organic side groups that can lead to the formation of nanoparticles, polymersomes, or scaffolds for cell proliferation. In this review, some aspects of the preparation of phosphazene-based systems and their characterization, together with some of the most relevant chemical strategies to obtain biomaterials, have been described.
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Wu X, Li L, Wang L, Lei Z, Yang F, Liu R, Wang Y, Peng K, Wang Z. Cell spreading behaviors on hybrid nanopillar and nanohole arrays. NANOTECHNOLOGY 2021; 33:045101. [PMID: 34087811 DOI: 10.1088/1361-6528/ac084a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 06/04/2021] [Indexed: 06/12/2023]
Abstract
Although nanopillars (NPs) provide a promising tool for capturing tumor cells, the effect of mixing NPs with other nanopatterns on cell behavior remains to be further studied. In this paper, a method of fabricating silicon nanoscale topographies by combining laser interference lithography with metal assisted chemical etching was introduced to investigate the behaviors and pseudopodia of A549 cells on the topologies. It was found that cells had a limited manner in spreading with small cell areas on the silicon nanopillar (SiNP) arrays, but a good manner in spreading with large cell areas on the silicon nanohole (SiNH) arrays. When on the hybrid SiNP/SiNH arrays, cells had medium cell areas and they arranged orderly along the boundaries of SiNPs and SiNHs, as well as 80% of cells displayed a preference for SiNPs over SiNHs. Furthermore, the lamellipodia and filopodia are dominant in the hybrid SiNP/SiNH and SiNP arrays, respectively, both of them are dominant in the SiNH arrays. In addition, the atomic force acoustic microscopy was also employed to detect the subsurface features of samples. The results suggest that the hybrid SiNP/SiNH arrays have a targeted trap and elongation effect on cells. The findings provide a promising method in designing hybrid nanostructures for efficient tumor cell traps, as well as regulating the cell behaviors and pseudopodia.
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Affiliation(s)
- Xiaomin Wu
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Li Li
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Lu Wang
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Zecheng Lei
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Fan Yang
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Ri Liu
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Ying Wang
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Kuiqing Peng
- Beijing Key Laboratory of Energy Conversion and Storage Materials, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Zuobin Wang
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- JR3CN & IRAC, University of Bedfordshire, Luton LU1 3JU, United Kingdom
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Cherian AM, Nair SV, Maniyal V, Menon D. Surface engineering at the nanoscale: A way forward to improve coronary stent efficacy. APL Bioeng 2021; 5:021508. [PMID: 34104846 PMCID: PMC8172248 DOI: 10.1063/5.0037298] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 04/26/2021] [Indexed: 12/12/2022] Open
Abstract
Coronary in-stent restenosis and late stent thrombosis are the two major inadequacies of vascular stents that limit its long-term efficacy. Although restenosis has been successfully inhibited through the use of the current clinical drug-eluting stent which releases antiproliferative drugs, problems of late-stent thrombosis remain a concern due to polymer hypersensitivity and delayed re-endothelialization. Thus, the field of coronary stenting demands devices having enhanced compatibility and effectiveness to endothelial cells. Nanotechnology allows for efficient modulation of surface roughness, chemistry, feature size, and drug/biologics loading, to attain the desired biological response. Hence, surface topographical modification at the nanoscale is a plausible strategy to improve stent performance by utilizing novel design schemes that incorporate nanofeatures via the use of nanostructures, particles, or fibers, with or without the use of drugs/biologics. The main intent of this review is to deliberate on the impact of nanotechnology approaches for stent design and development and the recent advancements in this field on vascular stent performance.
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Affiliation(s)
- Aleena Mary Cherian
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita
Vishwa Vidyapeetham, Ponekkara P.O. Cochin 682041, Kerala,
India
| | - Shantikumar V. Nair
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita
Vishwa Vidyapeetham, Ponekkara P.O. Cochin 682041, Kerala,
India
| | - Vijayakumar Maniyal
- Department of Cardiology, Amrita Institute of Medical Science
and Research Centre, Amrita Vishwa Vidyapeetham, Ponekkara P.O. Cochin
682041, Kerala, India
| | - Deepthy Menon
- Amrita Centre for Nanosciences and Molecular Medicine, Amrita
Vishwa Vidyapeetham, Ponekkara P.O. Cochin 682041, Kerala,
India
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Wieker H, Fritz Schomaker MC, Flörke C, Karayürek F, Naujokat H, Acil Y, Wiltfang J, Gülses A. A retrospective analysis of the surgical outcomes of different free vascularized flaps used for the reconstruction of the maxillofacial region: Hand-sewn microvascular anastomosis vs anastomotic coupler device. J Craniomaxillofac Surg 2021; 49:191-195. [PMID: 33454184 DOI: 10.1016/j.jcms.2020.12.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/11/2020] [Accepted: 12/31/2020] [Indexed: 11/24/2022] Open
Abstract
The aim of the study was to assess the surgical outcomes following venous anastomosis with a coupling device and hand-sewn anastomosis in the reconstruction of the maxillofacial region. The study sample was recruited from patients who underwent reconstructive surgeries between January 2011 and November 2016. Tumor type, recipient veins, distribution of flap type, flap survival rates and anastomosis associated complications requiring a flap revision were documented. The follow-up period was four years. In total, 236 patients were included in this study, in which 201 reconstructions were performed via microsurgical venous coupling device (82.04%), whereas hand sewn anastomosis was used in 44 patients (17.96%). Postoperative complications regarding the anastomosis technique revealed that venous coupler devices showed significantly lower complications (4,97%) compared to hand sewn anastomosis (11,36%) (p < 0.05). Within the limitations of the current study, it can be concluded that the coupler system does appear to have advantages over conventional hand-sewn venous anastomosis and should be preferred when possible.
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Affiliation(s)
- Henning Wieker
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
| | | | - Christian Flörke
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
| | - Fatih Karayürek
- Department of Periodontology, Faculty of Dentistry, Çankırı Karatekin University, Çankırı, Turkey.
| | - Hendrik Naujokat
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
| | - Yahya Acil
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
| | - Jörg Wiltfang
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
| | - Aydin Gülses
- Department of Oral and Maxillofacial Surgery, Christian Albrechts University, Kiel, Germany.
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