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Machatschek R, Schulz B, Lendlein A. Langmuir Monolayers as Tools to Study Biodegradable Polymer Implant Materials. Macromol Rapid Commun 2018; 40:e1800611. [PMID: 30387219 DOI: 10.1002/marc.201800611] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/24/2018] [Indexed: 11/06/2022]
Abstract
Langmuir monolayers provide a fast and elegant route to analyze the degradation behavior of biodegradable polymer materials. In contrast to bulk materials, diffusive transport of reactants and reaction products in the (partially degraded) material can be neglected at the air-water interface, allowing for the study of molecular degradation kinetics in experiments taking less than a day and in some cases just a few minutes, in contrast to experiments with bulk materials that can take years. Several aspects of the biodegradation behavior of polymer materials, such as the interaction with biomolecules and degradation products, are directly observable. Expanding the technique with surface-sensitive instrumental techniques enables evaluating the evolution of the morphology, chemical composition, and the mechanical properties of the degrading material in situ. The potential of the Langmuir monolayer degradation technique as a predictive tool for implant degradation when combined with computational methods is outlined, and related open questions and strategies to overcome these challenges are pointed out.
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Affiliation(s)
- Rainhard Machatschek
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstraße 55,, 14513, Teltow, Germany
| | - Burkhard Schulz
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstraße 55,, 14513, Teltow, Germany.,Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25,, 14469, Potsdam, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, Kantstraße 55,, 14513, Teltow, Germany.,Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25,, 14469, Potsdam, Germany
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Reinthaler M, Jung F, Landmesser U, Lendlein A. Trend to move from permanent metals to degradable, multifunctional polymer or metallic implants in the example of coronary stents. Expert Rev Med Devices 2016; 13:1001-1003. [DOI: 10.1080/17434440.2016.1230013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Lee X, Wahit MU, Adrus N. Biodegradable and temperature-responsive thermoset polyesters with renewable monomers. J Appl Polym Sci 2016. [DOI: 10.1002/app.44007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- XiauYeen Lee
- Department of Polymer Engineering, Faculty of Chemical and Energy Engineering; Universiti Teknologi Malaysia; 81310 Skudai Johor Malaysia
| | - Mat Uzir Wahit
- Centre for Composite, Faculty of Mechanical Engineering; Universiti Teknologi Malaysia; 81310 Skudai Johor Malaysia
| | - Nadia Adrus
- Department of Polymer Engineering, Faculty of Chemical and Energy Engineering; Universiti Teknologi Malaysia; 81310 Skudai Johor Malaysia
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Roch T, Ma N, Kratz K, Lendlein A. Cell-based detection of microbial biomaterial contaminations. Clin Hemorheol Microcirc 2015; 60:51-63. [DOI: 10.3233/ch-151939] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Toralf Roch
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Teltow, Germany
- Helmholtz Virtual Institute – Multifunctional Biomaterials for Medicine, Teltow and Berlin, Germany
| | - Nan Ma
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Teltow, Germany
- Helmholtz Virtual Institute – Multifunctional Biomaterials for Medicine, Teltow and Berlin, Germany
- Department of Biology, Institute of Chemistry and Biochemistry, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Karl Kratz
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Teltow, Germany
- Helmholtz Virtual Institute – Multifunctional Biomaterials for Medicine, Teltow and Berlin, Germany
| | - Andreas Lendlein
- Institute of Biomaterial Science and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Helmholtz-Zentrum Geesthacht, Teltow, Germany
- Helmholtz Virtual Institute – Multifunctional Biomaterials for Medicine, Teltow and Berlin, Germany
- Department of Biology, Institute of Chemistry and Biochemistry, Chemistry and Pharmacy, Freie Universität Berlin, Berlin, Germany
- Institute of Chemistry, University of Potsdam, Potsdam, Germany
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Lendlein A, Wischke C. How to accelerate biomaterial development? Strategies to support the application of novel polymer-based biomaterials in implantable devices. Expert Rev Med Devices 2014; 8:533-7. [DOI: 10.1586/erd.11.39] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Neffe AT, Wischke C, Racheva M, Lendlein A. Progress in biopolymer-based biomaterials and their application in controlled drug delivery. Expert Rev Med Devices 2014; 10:813-33. [DOI: 10.1586/17434440.2013.839209] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Biocompatibility Assessment of Novel Bioresorbable Alloys Mg-Zn-Se and Mg-Zn-Cu for Endovascular Applications: In- Vitro Studies. ACTA ACUST UNITED AC 2013; 17:25-44. [PMID: 24058329 DOI: 10.4028/www.scientific.net/jbbte.17.25] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Previous studies have shown that using biodegradable magnesium alloys such as Mg-Zn and Mg-Zn-Al possess the appropriate mechanical properties and biocompatibility to serve in a multitude of biological applications ranging from endovascular to orthopedic and fixation devices. The objective of this study was to evaluate the biocompatibility of novel as-cast magnesium alloys Mg-1Zn-1Cu wt.% and Mg-1Zn-1Se wt.% as potential implantable biomedical materials, and compare their biologically effective properties to a binary Mg-Zn alloy. The cytotoxicity of these experimental alloys was evaluated using a tetrazolium based- MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assay and a lactate dehydrogenase membrane integrity assay (LDH). The MTS assay was performed on extract solutions obtained from a 30-day period of alloy immersion and agitation in simulated body fluid to evaluate the major degradation products eluted from the alloy materials. Human foreskin fibroblast cell growth on the experimental magnesium alloys was evaluated for a 72 hour period, and cell death was quantified by measuring lactate dehydrogenase concentrations. Both Mg-Zn-Se and Mg-Zn-Cu alloys exhibit low cytotoxicity levels which are suitable for biomaterial applications. The Mg-Zn-Cu alloy was found to completely degrade within 72 hours, resulting in lower human foreskin fibroblast cell viability. The Mg-Zn-Se alloy was shown to be less cytotoxic than both the Mg-Zn-Cu and Mg-Zn alloys.
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Scislowska-Czarnecka A, Pamula E, Kolaczkowska E. Biocompatibility evaluation of glycolide-containing polyesters in contact with osteoblasts and fibroblasts. J Appl Polym Sci 2013. [DOI: 10.1002/app.37762] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Wang X, Boire TC, Bronikowski C, Zachman AL, Crowder SW, Sung HJ. Decoupling polymer properties to elucidate mechanisms governing cell behavior. TISSUE ENGINEERING PART B-REVIEWS 2012; 18:396-404. [PMID: 22536977 DOI: 10.1089/ten.teb.2012.0011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Determining how a biomaterial interacts with cells ("structure-function relationship") reflects its eventual clinical applicability. Therefore, a fundamental understanding of how individual material properties modulate cell-biomaterial interactions is pivotal to improving the efficacy and safety of clinically translatable biomaterial systems. However, due to the coupled nature of material properties, their individual effects on cellular responses are difficult to understand. Structure-function relationships can be more clearly understood by the effective decoupling of each individual parameter. In this article, we discuss three basic decoupling strategies: (1) surface modification, (2) cross-linking, and (3) combinatorial approaches (i.e., copolymerization and polymer blending). Relevant examples of coupled material properties are briefly reviewed in each section to highlight the need for improved decoupling methods. This follows with examples of more effective decoupling techniques, mainly from the perspective of three primary classes of synthetic materials: polyesters, polyethylene glycol, and polyacrylamide. Recent strides in decoupling methodologies, especially surface-patterning and combinatorial techniques, offer much promise in further understanding the structure-function relationships that largely govern the success of future advancements in biomaterials, tissue engineering, and drug delivery.
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Affiliation(s)
- Xintong Wang
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235, USA
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Pierce BF, Pittermann E, Ma N, Gebauer T, Neffe AT, Hölscher M, Jung F, Lendlein A. Viability of Human Mesenchymal Stem Cells Seeded on Crosslinked Entropy-Elastic Gelatin-Based Hydrogels. Macromol Biosci 2012; 12:312-21. [DOI: 10.1002/mabi.201100237] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 09/01/2011] [Indexed: 12/21/2022]
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Mathew S, Lendlein A, Wischke C. Degradation Behavior of Porous Copolyester Microparticles in the Light of Dynamic Changes in Their Morphology. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.201100059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lendlein A, Pierce BF, Ambrosio L, Grijpma DW. Advanced Functional Polymers for Medicine. Macromol Biosci 2011; 11:1621-4. [DOI: 10.1002/mabi.201100375] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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