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Chen X, Li L, Liu X, Liao Y, Qu C, Sun H, Zhao A, Yang P, Huang N, Chen J. Photofunctionalized TiO 2-TiN micropattern coating with anticoagulant properties and ECs contact-guidance effect. Colloids Surf B Biointerfaces 2023; 223:113150. [PMID: 36731267 DOI: 10.1016/j.colsurfb.2023.113150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/09/2023] [Accepted: 01/15/2023] [Indexed: 01/21/2023]
Abstract
Titanium nitride (TiN) and titanium dioxide (TiO2) are two titanium-based coatings commonly used in cardiovascular stent surface engineering. Generally, TiN has good mechanical properties and endothelial cell (ECs) compatibility but poor anticoagulant properties and cannot modulate cell growth orientation and morphology. TiO2 has excellent corrosion resistance and biosafety. Besides, TiO2 has the photocatalytic anticoagulant property, which can migrate to other materials tens of microns away. Based on the above properties, a striped TiO2-TiN micropattern coating was designed and fabricated in this study, and the coating was photofunctionalized by UV irradiation. The obtained photo-functionalized TiO2-TiN micropattern coating showed anticoagulant properties by the migrating effect of the photocatalytic anticoagulant property of TiO2. Besides, the TiO2-TiN micropattern coatings showed ECs compatibility. Furthermore, the growth orientation and cell shape of ECs on TiO2-TiN samples were effectively regulated by the stripe pattern's contact guidance effect, which was particularly evident on the photo-functionalized TiO2-TiN samples. We envision that this photofunctionalized TiO2-TiN striped micropattern coating has significant potential for the surface engineering of vascular stents.
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Affiliation(s)
- Xiao Chen
- The Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China; Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Linhua Li
- The Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoqi Liu
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, the Department of Medical Genetics, the Institute of Laboratory Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology, Chengdu, China
| | - Yuzhen Liao
- Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Chao Qu
- The Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Hong Sun
- Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Ansha Zhao
- Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Ping Yang
- Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Nan Huang
- Institute of Biomaterials and Surface Engineering, Key Laboratory for Advanced Technologies of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
| | - Jiang Chen
- The Department of Ophthalmology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.
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Yousaf M, Iqbal T, Afsheen S, Riaz KN, Al-Zaqri N, Warad I, Ahmed H, Asghar M, Shafiq M. Effect of TiN-Based Nanostructured Coatings on the Biocompatibility of NiTi Non-ferrous Metallic Alloy by Cathodic Cage Plasma Processing. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02568-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Regulation of endothelial functionality through direct and immunomodulatory effects by Ni-Ti-O nanospindles on NiTi alloy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:112007. [PMID: 33812627 DOI: 10.1016/j.msec.2021.112007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/08/2021] [Accepted: 02/23/2021] [Indexed: 12/25/2022]
Abstract
Stent implantation has become one of the most widely used methods for the treatment of cardiovascular diseases. However, endothelial dysfunction and abnormal inflammatory response following implantation may lead to delayed re-endothelialization, resulting in vascular restenosis and stent thrombus. To address the concerns, we constructed nanospindles composed of TiO2 and Ti4Ni2O through hydrothermal treatment of amorphous Ni-Ti-O nanopores anodically grown on NiTi alloy. The results show the treatment can significantly improve hydrophilicity and reduce Ni ion release, essentially independent of hydrothermal duration. The nanospindle surfaces not only promote the expression of endothelial functionality but also activate macrophages to induce a favorable immune response, downregulate pro-inflammatory M1 markers and upregulate pro-healing M2 markers. Moreover, nitric oxide (NO) synthesis, VEGF secretion, and migration of endothelial cells are enhanced after cultured in macrophage conditioned medium. The nanospindles thus are promising as vascular stent coatings to promote re-endothelization.
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Enhanced corrosion resistance, antibacterial properties, and biocompatibility by hierarchical hydroxyapatite/ciprofloxacin-calcium phosphate coating on nitrided NiTi alloy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111524. [PMID: 33255077 DOI: 10.1016/j.msec.2020.111524] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/04/2020] [Accepted: 09/11/2020] [Indexed: 01/19/2023]
Abstract
Multi-functional hierarchical coatings are deposited on the nitrided NiTi alloy. The nitrided layer is first deposited by nitrogen plasma immersion ion implantation and a middle layer containing porous hydroxyapatite and ciprofloxacin (Cip) is produced before the top calcium phosphate coating is deposited by the sol-gel method. The thicknesses of the coating and nitrided intermediate layer are about 1.54 μm and 160 nm, respectively and Cip penetrates to a depth of about 530 nm. Calcium phosphate reduces surface defects resulting in a surface roughness of 17 ± 2 nm compared to 34 ± 5 nm of the porous hydroxyapatite coating. The corrosion resistance is improved due to reduced defects and localized corrosion as manifested by the decrease in the Ni2+ release rate by 11.6% from 0.0198 to 0.0175 mg L-1 cm-2. The bacterial resistance against E. coli is also improved by about 88 times on account of Cip release and good biocompatibility is confirmed by proliferation of MC3T3 cells. This multi-functional hierarchical coating has large potential in orthopedic and dental applications.
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Bolbasov EN, Maryin PV, Stankevich KS, Kozelskaya AI, Shesterikov EV, Khodyrevskaya YI, Nasonova MV, Shishkova DK, Kudryavtseva YA, Anissimov YG, Tverdokhlebov SI. Surface modification of electrospun poly-(l-lactic) acid scaffolds by reactive magnetron sputtering. Colloids Surf B Biointerfaces 2017; 162:43-51. [PMID: 29149727 DOI: 10.1016/j.colsurfb.2017.11.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 10/30/2017] [Accepted: 11/09/2017] [Indexed: 12/12/2022]
Abstract
In this study, we modified the surface of bioresorbable electrospun poly-(l-lactic) acid (PLLA) scaffolds by reactive magnetron sputtering of a titanium target under a nitrogen atmosphere. We examined the influence of the plasma treatment time on the structure and properties of electrospun PLLA scaffolds using SEM, XRF, FTIR, XRD, optical goniometry, and mechanical testing. It was observed that the coating formed did not change physicomechanical properties of electrospun PLLA scaffolds and simultaneously, increased their hydrophilicity. No adverse tissue reaction up to 3 months after subcutaneous implantation of the modified scaffolds was detected in in-vivo rat model. The rate of scaffold replacement by the recipient tissue in-vivo was observed to depend on the plasma treatment time.
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Affiliation(s)
- E N Bolbasov
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation
| | - P V Maryin
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation
| | - K S Stankevich
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation
| | - A I Kozelskaya
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation
| | - E V Shesterikov
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation
| | - Yu I Khodyrevskaya
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation; Federal State Budgetary Institution 'Research Institute for Complex Issues of Cardiovascular Diseases', 6 Sosnovy Blvd, Kemerovo, Russian Federation
| | - M V Nasonova
- Federal State Budgetary Institution 'Research Institute for Complex Issues of Cardiovascular Diseases', 6 Sosnovy Blvd, Kemerovo, Russian Federation
| | - D K Shishkova
- Federal State Budgetary Institution 'Research Institute for Complex Issues of Cardiovascular Diseases', 6 Sosnovy Blvd, Kemerovo, Russian Federation
| | - Yu A Kudryavtseva
- Federal State Budgetary Institution 'Research Institute for Complex Issues of Cardiovascular Diseases', 6 Sosnovy Blvd, Kemerovo, Russian Federation
| | - Y G Anissimov
- Griffith University, School of Natural Sciences, Nathan, Queensland, Australia; Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, Australia
| | - S I Tverdokhlebov
- Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, Russian Federation.
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