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Sabino RM, Rau JV, De Bonis A, De Stefanis A, Curcio M, Teghil R, Popat KC. Manganese-containing Bioactive Glass Enhances Osteogenic Activity of TiO 2 Nanotube Arrays. APPLIED SURFACE SCIENCE 2021; 570:151163. [PMID: 34594060 PMCID: PMC8478254 DOI: 10.1016/j.apsusc.2021.151163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Titanium and its alloys are the most used biomaterials for orthopedic and dental applications. However, up to 10% of these medical devices still fail, mostly due to implant loosening and suboptimal integration at the implant site. The biomaterial surface plays a critical role in promoting osseointegration, which can reduce the risk of device failure. In this study, we propose a novel surface modification on titanium to improve osteogenic differentiation by depositing manganese-containing bioactive glass (BG) on TiO2 nanotube arrays. The surfaces were characterized by scanning electron microscopy, energy dispersive X-ray spectrometer, contact angle goniometry, and X-ray photoelectron spectroscopy. Cell toxicity, viability, adhesion, and proliferation of adipose-derived stem cells on the surfaces were investigated up to 7 days. To evaluate the osteogenic properties of the surfaces, alkaline phosphatase activity, total protein, osteocalcin expression, and calcium deposition were quantified up to 28 days. The results indicate that TiO2 nanotube arrays modified with BG promote cell growth and induce increased osteocalcin and calcium contents when compared to unmodified TiO2 nanotube arrays. The deposition of manganese-containing bioactive glass onto TiO2 nanotubes demonstrates the ability to enhance osteogenic activity on titanium, showing great potential for use in orthopedic and dental implants.
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Affiliation(s)
- Roberta M. Sabino
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, USA
| | - Julietta V. Rau
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Via del Fosso del Cavaliere 100, 00133 Rome, Italy
- I.M. Sechenov First Moscow State Medical University, Institute of Pharmacy, Department of Analytical, Physical and Colloid Chemistry, Trubetskaya 8, build. 2, 119991 Moscow, Russia
| | - Angela De Bonis
- Dipartimento di Scienze, Università della Basilicata, Via dell’Ateneo Lucano, 10-85100 Potenza, Italy
| | - Adriana De Stefanis
- Istituto di Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Montelibretti Unit, Via Salaria km 29.300, 00015 Monterotondo Scalo, Italy
| | - Mariangela Curcio
- Dipartimento di Scienze, Università della Basilicata, Via dell’Ateneo Lucano, 10-85100 Potenza, Italy
| | - Roberto Teghil
- Dipartimento di Scienze, Università della Basilicata, Via dell’Ateneo Lucano, 10-85100 Potenza, Italy
| | - Ketul C. Popat
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, USA
- School of Biomedical Engineering, Colorado State University, Fort Collins, USA
- Department of Mechanical Engineering, Colorado State University, Fort Collins, USA
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Lee J, Hwang HS, Lo TNH, Koh WG, Park I. Effect of Silica Size and Content on Superamphiphobic Properties of Silica-Fluoropolymer Core-Shell Coatings. Polymers (Basel) 2020; 12:E2864. [PMID: 33265976 PMCID: PMC7761413 DOI: 10.3390/polym12122864] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 11/26/2020] [Accepted: 11/26/2020] [Indexed: 11/29/2022] Open
Abstract
We present a facile approach to fabricate superamphiphobic surfaces by spray coating silica-fluoropolymer core-shell particles without substrate pretreatment with an additional binder resin. A series of SiO2@poly(1H,1H,2H,2H-heptadecafluorodecyl methacrylate) (SiO2@PFMA) core-shell particles with core particles of different sizes were prepared via thiol-lactam initiated radical polymerization (TLIRP). The surface of each SiO2 particle with an average particle size of 12, 80, 150, and 350 nm was modified with (3-mercaptopropyl) trimethoxysilane and used as a seed for TLIRP. The SiO2@PFMA particles with various SiO2 sizes and contents were coated on aluminum substrates by a spray gun and then thermally treated to form a stable, rough composite layer. During the spray coating, the core-shell particles were aggregated by rapid evaporation of the solvent and then irregularly adhered to the substrate resulting in hierarchical structures. In the case of SiO2@PFMAs with low SiO2 contents, the roughness created mainly by the polymer shell disappeared during heat treatment. However, the substrates coated with SiO2@PFMAs with high SiO2 contents maintained the roughness even after heat treatment. The core-shell particles prepared with 12 nm SiO2 formed a stable superamphiphobic surface. The water/hexadecane contact and sliding angles on an aluminum plate coated with SiO2@PFMA, prepared using 12 nm silica at 46 wt% silica content (12 nm-SiO2(46)@PFMA), were 178.5°/159.2° and 1°/7°, respectively. The cross-cut tape test showed that adhesion between the 12nm-SiO2(46)@PFMA and the aluminum substrate was classified as 5B. A glass surface spray-coated with the core-shell composite particles exhibited transparent superhydrophobicity and translucent superamphiphobicity by controlling the concentration of the coating solution.
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Affiliation(s)
- Jiyoung Lee
- Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology, 89 Yandaegiro-gil, Ipjang-myeon, Cheonan-si 31056, Korea; (J.L.); (H.S.H.); (T.N.H.L.)
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 09722, Korea
| | - Ha Soo Hwang
- Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology, 89 Yandaegiro-gil, Ipjang-myeon, Cheonan-si 31056, Korea; (J.L.); (H.S.H.); (T.N.H.L.)
- R&D Center, OomphChem Inc., 1223-24 Cheonan-daero, Seobuk-gu, Cheonan-si 31080, Korea
| | - Tien N. H. Lo
- Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology, 89 Yandaegiro-gil, Ipjang-myeon, Cheonan-si 31056, Korea; (J.L.); (H.S.H.); (T.N.H.L.)
- KITECH School, University of Science and Technology (UST), 176 Gajeong-dong, Yuseong-gu, Daejeon 34113, Korea
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 09722, Korea
| | - In Park
- Research Institute of Clean Manufacturing System, Korea Institute of Industrial Technology, 89 Yandaegiro-gil, Ipjang-myeon, Cheonan-si 31056, Korea; (J.L.); (H.S.H.); (T.N.H.L.)
- KITECH School, University of Science and Technology (UST), 176 Gajeong-dong, Yuseong-gu, Daejeon 34113, Korea
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Haidar A, Ali AA, Veziroglu S, Fiutowski J, Eichler H, Müller I, Kiefer K, Faupel F, Bischoff M, Veith M, Aktas OC, Abdul-Khaliq H. PTFEP-Al 2O 3 hybrid nanowires reducing thrombosis and biofouling. NANOSCALE ADVANCES 2019; 1:4659-4664. [PMID: 36133130 PMCID: PMC9419761 DOI: 10.1039/c9na00436j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 10/15/2019] [Indexed: 06/12/2023]
Abstract
Thrombosis and bacterial infection are major problems in cardiovascular implants. Here we demonstrated that a superhydrophobic surface composed of poly(bis(2,2,2-trifluoroethoxy)phosphazene) (PTFEP)-Al2O3 hybrid nanowires (NWs) is effective to reduce both platelet adhesion/activation and bacterial adherence/colonization. The proposed approach allows surface modification of cardiovascular implants which have 3D complex geometries.
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Affiliation(s)
- Ayman Haidar
- Department of Paediatric Cardiology, Saarland University Building 9 66421 Homburg Germany
| | - Awadelkareem A Ali
- Department of Paediatric Cardiology, Saarland University Building 9 66421 Homburg Germany
| | - Salih Veziroglu
- Chair for Multicomponent Materials, Institute for Materials Science, Faculty of Engineering, Christian-Albrechts-University of Kiel Kaiserstr. 2 24143 Kiel Germany
| | - Jacek Fiutowski
- Mads Clausen Institute, NanoSYD, University of Southern Denmark Alsion 2 6400 Sønderborg Denmark
| | - Hermann Eichler
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University Building 1, Ringstr. 52 66421 Homburg Germany
| | - Isabelle Müller
- Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University Building 1, Ringstr. 52 66421 Homburg Germany
| | - Karin Kiefer
- Department of Paediatric Cardiology, Saarland University Building 9 66421 Homburg Germany
| | - Franz Faupel
- Chair for Multicomponent Materials, Institute for Materials Science, Faculty of Engineering, Christian-Albrechts-University of Kiel Kaiserstr. 2 24143 Kiel Germany
| | - Markus Bischoff
- Institute of Medical Microbiology and Hygiene, Saarland University Homburg/Saar 66421 Germany
| | - Michael Veith
- INM-Leibniz Institute for New Materials, Campus D2 2 Saarbrücken 66123 Germany
| | - Oral Cenk Aktas
- Department of Paediatric Cardiology, Saarland University Building 9 66421 Homburg Germany
- Chair for Multicomponent Materials, Institute for Materials Science, Faculty of Engineering, Christian-Albrechts-University of Kiel Kaiserstr. 2 24143 Kiel Germany
| | - Hashim Abdul-Khaliq
- Department of Paediatric Cardiology, Saarland University Building 9 66421 Homburg Germany
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Braune S, Latour RA, Reinthaler M, Landmesser U, Lendlein A, Jung F. In Vitro Thrombogenicity Testing of Biomaterials. Adv Healthc Mater 2019; 8:e1900527. [PMID: 31612646 DOI: 10.1002/adhm.201900527] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/15/2019] [Indexed: 12/29/2022]
Abstract
The short- and long-term thrombogenicity of implant materials is still unpredictable, which is a significant challenge for the treatment of cardiovascular diseases. A knowledge-based approach for implementing biofunctions in materials requires a detailed understanding of the medical device in the biological system. In particular, the interplay between material and blood components/cells as well as standardized and commonly acknowledged in vitro test methods allowing a reproducible categorization of the material thrombogenicity requires further attention. Here, the status of in vitro thrombogenicity testing methods for biomaterials is reviewed, particularly taking in view the preparation of test materials and references, the selection and characterization of donors and blood samples, the prerequisites for reproducible approaches and applied test systems. Recent joint approaches in finding common standards for a reproducible testing are summarized and perspectives for a more disease oriented in vitro thrombogenicity testing are discussed.
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Affiliation(s)
- Steffen Braune
- Institute of Biomaterial Science and Berlin‐Brandenburg Centre for Regenerative Therapies (BCRT)Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
| | - Robert A. Latour
- Rhodes Engineering Research CenterDepartment of BioengineeringClemson University Clemson SC 29634 USA
| | - Markus Reinthaler
- Institute of Biomaterial Science and Berlin‐Brandenburg Centre for Regenerative Therapies (BCRT)Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
- Department for CardiologyCharité UniversitätsmedizinCampus Benjamin Franklin Hindenburgdamm 30 12203 Berlin Germany
| | - Ulf Landmesser
- Department for CardiologyCharité UniversitätsmedizinCampus Benjamin Franklin Hindenburgdamm 30 12203 Berlin Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin‐Brandenburg Centre for Regenerative Therapies (BCRT)Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
- Institute of ChemistryUniversity of Potsdam Karl‐Liebknecht‐Strasse 24‐25 14476 Potsdam Germany
- Helmholtz Virtual Institute “Multifunctional Biomaterials for Medicine”Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
| | - Friedrich Jung
- Institute of Biomaterial Science and Berlin‐Brandenburg Centre for Regenerative Therapies (BCRT)Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
- Helmholtz Virtual Institute “Multifunctional Biomaterials for Medicine”Helmholtz‐Zentrum Geesthacht Kantstrasse 55 14513 Teltow Germany
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Sabino RM, Kauk K, Movafaghi S, Kota A, Popat KC. Interaction of blood plasma proteins with superhemophobic titania nanotube surfaces. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2019; 21:102046. [PMID: 31279063 PMCID: PMC6814547 DOI: 10.1016/j.nano.2019.102046] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/12/2019] [Accepted: 06/12/2019] [Indexed: 10/26/2022]
Abstract
The need to improve blood biocompatibility of medical devices is urgent. As soon as blood encounters a biomaterial implant, proteins adsorb on its surfaces, often leading to several complications such as thrombosis and failure of the device. Therefore, controlling protein adsorption plays a major role in developing hemocompatible materials. In this study, the interaction of key blood plasma proteins with superhemophobic titania nanotube substrates and the blood clotting responses was investigated. The substrate stability was evaluated and fibrinogen adsorption and thrombin formation from plasma were assessed using ELISA. Whole blood clotting kinetics was also investigated, and Factor XII activation on the substrates was characterized by an in vitro plasma coagulation time assay. The results show that superhemophobic titania nanotubes are stable and considerably decrease surface protein adsorption/Factor XII activation as well as delay the whole blood clotting, and thus can be a promising approach for designing blood contacting medical devices.
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Affiliation(s)
- Roberta Maia Sabino
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO, USA
| | - Kirsten Kauk
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, USA
| | - Sanli Movafaghi
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, USA
| | - Arun Kota
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO, USA; School of Biomedical Engineering, Colorado State University, Fort Collins, CO, USA; Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, USA
| | - Ketul C Popat
- School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO, USA; School of Biomedical Engineering, Colorado State University, Fort Collins, CO, USA; Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, USA.
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Kim H, Han H, Lee S, Woo J, Seo J, Lee T. Nonfluorinated Superomniphobic Surfaces through Shape-Tunable Mushroom-like Polymeric Micropillar Arrays. ACS APPLIED MATERIALS & INTERFACES 2019; 11:5484-5491. [PMID: 30576594 DOI: 10.1021/acsami.8b17181] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Superomniphobic surfaces showing extremely liquid-repellent properties have received a great amount of attention as they can be used in various industrial and biomedical applications. However, so far, the fabrication processes of these materials mostly have involved the coating of perfluorocarbons onto micro- and nanohierarchical structures of these surfaces, which inevitably causes environmental pollution, leading to health concerns. Herein, we developed a facile method to obtain flexible superomniphobic surfaces without perfluorocarbon coatings that have shape-tunable mushroom-like micropillars (MPs). Inspired by the unique structures on the skin of springtails, we fabricated mushroom-like structures with downward facing edges (i.e., a doubly re-entrant structure) on a surface. The flexible MP structures were fabricated using a conventional micromolding technique, and the shapes of the mushroom caps were made highly tunable via the deposition of a thin aluminum (Al) layer. Due to the compressive residual stress of the Al, the mushroom caps were observed to bend toward the polymer upon forming doubly re-entrant-MP structures. The obtained surface was found to repel most low-surface-tension liquids such as oils, alcohols, and even fluorinated solvents. The developed flexible superomniphobic surface showed liquid repellency even upon mechanical stretching and after surface energy modification. We envision that the developed superomniphobic surface with high flexibility and wetting resistance after surface energy modification will be used in a wide range of applications such as self-cleaning clothes and gloves.
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Affiliation(s)
- Hyunchul Kim
- School of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Heetak Han
- School of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Sanggeun Lee
- School of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Janghoon Woo
- School of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Jungmok Seo
- Center for Biomaterials, Biomedical Research Institute , Korea Institute of Science and Technology (KIST) , Seoul 02792 , Republic of Korea
| | - Taeyoon Lee
- School of Electrical and Electronic Engineering , Yonsei University , Seoul 03722 , Republic of Korea
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Pan S, Chen M, Wu L. Fabrication of a flexible transparent superomniphobic polydimethylsiloxane surface with a micropillar array. RSC Adv 2019; 9:26165-26171. [PMID: 35531005 PMCID: PMC9070391 DOI: 10.1039/c9ra04706a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 08/16/2019] [Indexed: 11/29/2022] Open
Abstract
Although superomniphobic surfaces have attracted extensive interest owing to many important applications, successful fabrication of such surfaces still remains a critical challenge. Herein, we present a flexible transparent superomniphobic polydimethylsiloxane (PDMS) surface with a micropillar array using Si nanowires as the mould. The as-obtained PDMS not only exhibits excellent liquid-repellent performance with a static contact angle of over 150° and sliding angle of less than 6° against a wide range of liquids, but also maintains the super-repellency even under acid/base corrosion, mechanical damage, and unidirectional stretching. A flexible transparent superomniphobic polydimethylsiloxane (PDMS) surface with a micropillar array has been fabricated using Si nanowires as the mould.![]()
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Affiliation(s)
- Shengyang Pan
- Department of Materials Science
- Advanced Coatings Research Center of Ministry of Education
- Fudan University
- Shanghai 200433
- China
| | - Min Chen
- Department of Materials Science
- Advanced Coatings Research Center of Ministry of Education
- Fudan University
- Shanghai 200433
- China
| | - Limin Wu
- Department of Materials Science
- Advanced Coatings Research Center of Ministry of Education
- Fudan University
- Shanghai 200433
- China
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