1
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Prüßner T, Meinderink D, Zhu S, Orive AG, Kielar C, Huck M, Steinrück HG, Keller A, Grundmeier G. Molecular Adhesion of a Pilus-Derived Peptide Involved in Pseudomonas aeruginosa Biofilm Formation on Non-Polar ZnO-Surfaces. Chemistry 2024; 30:e202302464. [PMID: 37909474 DOI: 10.1002/chem.202302464] [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: 07/31/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/03/2023]
Abstract
Bacterial colonization and biofilm formation on abiotic surfaces are initiated by the adhesion of peptides and proteins. Understanding the adhesion of such peptides and proteins at a molecular level thus represents an important step toward controlling and suppressing biofilm formation on technological and medical materials. This study investigates the molecular adhesion of a pilus-derived peptide that facilitates biofilm formation of Pseudomonas aeruginosa, a multidrug-resistant opportunistic pathogen frequently encountered in healthcare settings. Single-molecule force spectroscopy (SMFS) was performed on chemically etched ZnO11 2 ‾ 0 ${\left(11\bar{2}0\right)}$ surfaces to gather insights about peptide adsorption force and its kinetics. Metal-free click chemistry for the fabrication of peptide-terminated SMFS cantilevers was performed on amine-terminated gold cantilevers and verified by X-ray photoelectron spectroscopy (XPS) and polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS). Atomic force microscopy (AFM) and XPS analyses reveal stable topographies and surface chemistries of the substrates that are not affected by SMFS. Rupture events described by the worm-like chain model (WLC) up to 600 pN were detected for the non-polar ZnO surfaces. The dissociation barrier energy at zero force ΔG(0), the transition state distance xb and bound-unbound dissociation rate at zero force koff (0) for the single crystalline substrate indicate that coordination and hydrogen bonds dominate the peptide/surface interaction.
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Affiliation(s)
- Tim Prüßner
- Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098, Paderborn, Germany
| | - Dennis Meinderink
- Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098, Paderborn, Germany
| | - Siqi Zhu
- Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098, Paderborn, Germany
| | - Alejandro G Orive
- Department of Chemistry, Materials and Nanotechnology Institute, University of La Laguna, Avda. Astrofisico Francisco Sánchez s/n, 38206, San Cristóbal de La Laguna, Spain
| | - Charlotte Kielar
- Insitute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328, Dresden, Germany
| | - Marten Huck
- Chemistry Department, Paderborn University, 33098, Paderborn, Germany
| | | | - Adrian Keller
- Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098, Paderborn, Germany
| | - Guido Grundmeier
- Technical and Macromolecular Chemistry, Paderborn University, Warburger Str. 100, 33098, Paderborn, Germany
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2
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Moretti M, Hountondji M, Ge R, Emwas AH, Bilalis P, Susapto HH, Alrashoudi A, Liu X, Briola GR, Hauser CAE. Selectively Positioned Catechol Moiety Supports Ultrashort Self-Assembling Peptide Hydrogel Adhesion for Coral Restoration. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:17903-17920. [PMID: 38039288 DOI: 10.1021/acs.langmuir.3c02553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Coral reef survival is threatened globally. One way to restore this delicate ecosystem is to enhance coral growth by the controlled propagation of coral fragments. To be sustainable, this technique requires the use of biocompatible underwater adhesives. Hydrogels based on rationally designed ultrashort self-assembling peptides (USP) are of great interest for various biological and environmental applications, due to their biocompatibility and tunable mechanical properties. Implementing superior adhesion properties to the USP hydrogel compounds is crucial in both water and high ionic strength solutions and is relevant in medical and marine environmental applications such as coral regeneration. Some marine animals secrete large quantities of the aminoacids dopa and lysine to enhance their adhesion to wet surfaces. Therefore, the addition of catechol moieties to the USP sequence containing lysine (IIZK) should improve the adhesive properties of USP hydrogels. However, it is challenging to place the catechol moiety (Do) within the USP sequence at an optimal position without compromising the hydrogel self-assembly process and mechanical properties. Here, we demonstrate that, among three USP hydrogels, DoIIZK is the least adhesive and that the adhesiveness of the IIZDoK hydrogel is compromised by its poor mechanical properties. The best adhesion outcome was achieved using the IIZKDo hydrogel, the only one to show equally sound adhesive and mechanical properties. A mechanistic understanding of this outcome is presented here. This property was confirmed by the successful gluing of coral fragments by means of IIZKDo hydrogel that are still thriving after more than three years since the deployment. The validated biocompatibility of this underwater hydrogel glue suggests that it could be advantageously implemented for other applications, such as surgical interventions.
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Affiliation(s)
- Manola Moretti
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Maria Hountondji
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Rui Ge
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Abdul-Hamid Emwas
- KAUST Core Laboratories, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Panayiotis Bilalis
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Hepi H Susapto
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Abdulelah Alrashoudi
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Xinzhi Liu
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Giuseppina R Briola
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
| | - Charlotte A E Hauser
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- Computational Bioscience Research Center, Division of Computer, Electrical and Mathematical Sciences and Engineering (CEMSE), King Abdullah University of Science and Technology, Thuwal 23955, Jeddah, Saudi Arabia
- Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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3
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Xu Z, Li Q, Huang Y, Guo K, Xue B, Cao Y, Li Y. Blocking Nonspecific Interactions Using Y-Shape Poly(ethylene glycol). Int J Mol Sci 2023; 24:12414. [PMID: 37569789 PMCID: PMC10419274 DOI: 10.3390/ijms241512414] [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: 07/11/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Nonspecific interactions play a significant role in physiological activities, surface chemical modification, and artificial adhesives. However, nonspecificity sometimes causes sticky problems, including surface fouling, decreased target specificity, and artifacts in single-molecule measurements. Adjusting the liquid pH, using protein-blocking additives, adding nonionic surfactants, or increasing the salt concentration are common methods to minimize nonspecific binding to achieve high-quality data. Here, we report that grafting heteromorphic polyethylene glycol (Y-shape PEG) with two inert terminates could noticeably decrease nonspecific binding. As a proof-of-concept, we performed single-molecule force spectroscopy and fluorescence staining imaging experiments to verify the feasibility of Y-shape PEG in blocking nonspecific interactions. Our results indicate that Y-shape PEG could serve as a prominent and efficient candidate to minimize nonspecificity for scientific and biomedical applications.
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Affiliation(s)
- Zhengyu Xu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250021, China
| | - Qingtai Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
| | - Yaying Huang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250021, China
| | - Kaiqiang Guo
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
| | - Bin Xue
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250021, China
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250021, China
| | - Yiran Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing 210093, China; (Z.X.); (Q.L.); (Y.H.); (K.G.); (B.X.)
- Medical School, Nanjing University, Nanjing 210093, China
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4
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Oliveira CBP, Gomes V, Ferreira PMT, Martins JA, Jervis PJ. Peptide-Based Supramolecular Hydrogels as Drug Delivery Agents: Recent Advances. Gels 2022; 8:706. [PMID: 36354614 PMCID: PMC9689023 DOI: 10.3390/gels8110706] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 08/19/2023] Open
Abstract
Supramolecular peptide hydrogels have many important applications in biomedicine, including drug delivery applications for the sustained release of therapeutic molecules. Targeted and selective drug administration is often preferential to systemic drug delivery, as it can allow reduced doses and can avoid the toxicity and side-effects caused by off-target binding. New discoveries are continually being reported in this rapidly developing field. In this review, we report the latest developments in supramolecular peptide-based hydrogels for drug delivery, focusing primarily on discoveries that have been reported in the last four years (2018-present). We address clinical points, such as peptide self-assembly and drug release, mechanical properties in drug delivery, peptide functionalization, bioadhesive properties and drug delivery enhancement strategies, drug release profiles, and different hydrogel matrices for anticancer drug loading and release.
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Affiliation(s)
| | | | | | | | - Peter J. Jervis
- Centre of Chemistry, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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5
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Nie JY, Song GB, Deng YB, Zheng P. Single-Molecule Force Spectroscopy Reveals Stability of mitoNEET and its [2Fe2Se] Cluster in Weakly Acidic and Basic Solutions. Chemistry 2022; 11:e202200056. [PMID: 35608094 PMCID: PMC9127745 DOI: 10.1002/open.202200056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/21/2022] [Indexed: 11/05/2022]
Abstract
The outer mitochondrial membrane protein mitoNEET (mNT) is a recently identified iron-sulfur protein containing a unique Fe2 S2 (His)1 (Cys)3 metal cluster with a single Fe-N(His87) coordinating bond. This labile Fe-N bond led to multiple unfolding/rupture pathways of mNT and its cluster by atomic force microscopy-based single-molecule force spectroscopy (AFM-SMFS), one of most common tools for characterizing the molecular mechanics. Although previous ensemble studies showed that this labile Fe-N(His) bond is essential for protein function, they also indicated that the protein and its [2Fe2S] cluster are stable under acidic conditions. Thus, we applied AFM-SMFS to measure the stability of mNT and its cluster at pH values of 6, 7, and 8. Indeed, all previous multiple unfolding pathways of mNT were still observed. Moreover, single-molecule measurements revealed that the stabilities of the protein and the [2Fe2S] cluster are consistent at these pH values with only ≈20 pN force differences. Thus, we found that the behavior of the protein is consistent in both weakly acidic and basic solutions despite a labile Fe-N bond.
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Affiliation(s)
- Jing-Yuan Nie
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
| | - Guo-Bin Song
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
| | - Yi-Bing Deng
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
| | - Peng Zheng
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, P. R. China
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6
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Lallemang M, Yu L, Cai W, Rischka K, Hartwig A, Haag R, Hugel T, Balzer BN. Multivalent non-covalent interactions lead to strongest polymer adhesion. NANOSCALE 2022; 14:3768-3776. [PMID: 35171194 DOI: 10.1039/d1nr08338d] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Multivalent interactions play a leading role in biological processes such as the inhibition of inflammation or virus internalization. The multivalent interactions show enhanced strength and better selectivity compared to monovalent interactions, but they are much less understood due to their complexity. Here, we detect molecular interactions in the range of a few piconewtons to several nanonewtons and correlate them with the formation and subsequent breaking of one or several bonds and assign these bonds. This becomes possible by performing atomic force microcopy (AFM)-based single molecule force spectroscopy of a multifunctional polymer covalently attached to an AFM cantilever tip on a substrate bound polymer layer of the multifunctional polymer. Varying the pH value and the crosslinking state of the polymer layer, we find that bonds of intermediate strength (non-covalent), like coordination bonds, give the highest multivalent bond strength, even outperforming strong (covalent) bonds. At the same time, covalent bonds enhance the polymer layer density, increasing in particular the number of non-covalent bonds. In summary, we can show that the key for the design of stable and durable polymer coatings is to provide a variety of multivalent interactions and to keep the number of non-covalent interactions at a high level.
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Affiliation(s)
- Max Lallemang
- Institute of Physical Chemistry, University of Freiburg, Albertstraße 21, 79104 Freiburg, Germany.
- Cluster of Excellence livMatS @ FIT-Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Leixiao Yu
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takusstraße 3, 14195 Berlin, Germany
| | - Wanhao Cai
- Institute of Physical Chemistry, University of Freiburg, Albertstraße 21, 79104 Freiburg, Germany.
| | - Klaus Rischka
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Straße 12, 28359 Bremen, Germany
| | - Andreas Hartwig
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Straße 12, 28359 Bremen, Germany
- University of Bremen, Department 2 Biology/Chemistry, Leobener Straße 3, 28359 Bremen, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takusstraße 3, 14195 Berlin, Germany
| | - Thorsten Hugel
- Institute of Physical Chemistry, University of Freiburg, Albertstraße 21, 79104 Freiburg, Germany.
- Cluster of Excellence livMatS @ FIT-Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Bizan N Balzer
- Institute of Physical Chemistry, University of Freiburg, Albertstraße 21, 79104 Freiburg, Germany.
- Cluster of Excellence livMatS @ FIT-Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
- Freiburg Materials Research Center (FMF), Albert Ludwig University of Freiburg, 79104 Freiburg, Germany
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7
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Xue B, Gu J, Li L, Yu W, Yin S, Qin M, Jiang Q, Wang W, Cao Y. Hydrogel tapes for fault-tolerant strong wet adhesion. Nat Commun 2021; 12:7156. [PMID: 34887418 PMCID: PMC8660897 DOI: 10.1038/s41467-021-27529-5] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 11/19/2021] [Indexed: 11/08/2022] Open
Abstract
Fast and strong bio-adhesives are in high demand for many biomedical applications, including closing wounds in surgeries, fixing implantable devices, and haemostasis. However, most strong bio-adhesives rely on the instant formation of irreversible covalent crosslinks to provide strong surface binding. Repositioning misplaced adhesives during surgical operations may cause severe secondary damage to tissues. Here, we report hydrogel tapes that can form strong physical interactions with tissues in seconds and gradually form covalent bonds in hours. This timescale-dependent adhesion mechanism allows instant and robust wet adhesion to be combined with fault-tolerant convenient surgical operations. Specifically, inspired by the catechol chemistry discovered in mussel foot proteins, we develop an electrical oxidation approach to controllably oxidize catechol to catecholquinone, which reacts slowly with amino groups on the tissue surface. We demonstrate that the tapes show fast and reversible adhesion at the initial stage and ultrastrong adhesion after the formation of covalent linkages over hours for various tissues and electronic devices. Given that the hydrogel tapes are biocompatible, easy to use, and robust for bio-adhesion, we anticipate that they may find broad biomedical and clinical applications.
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Affiliation(s)
- Bin Xue
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China
| | - Jie Gu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China
| | - Lan Li
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Drum Tower Hospital affiliated to Medical School of Nanjing University, 210008, Nanjing, China
| | - Wenting Yu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China
| | - Sheng Yin
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China
| | - Meng Qin
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Drum Tower Hospital affiliated to Medical School of Nanjing University, 210008, Nanjing, China.
| | - Wei Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China.
- Institute for Brain Sciences, Nanjing University, 210093, Nanjing, China.
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, 210093, Nanjing, China.
- Institute for Brain Sciences, Nanjing University, 210093, Nanjing, China.
- Chemistry and Biomedicine Innovation Center, Nanjing University, 210093, Nanjing, China.
- Wenzhou Institute, University of Chinese Academy of Sciences, 325001, Wenzhou, China.
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8
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Narayanan A, Kaur S, Kumar N, Tsige M, Joy A, Dhinojwala A. Cooperative Multivalent Weak and Strong Interfacial Interactions Enhance the Adhesion of Mussel-Inspired Adhesives. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00742] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Amal Narayanan
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Sukhmanjot Kaur
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Nityanshu Kumar
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Mesfin Tsige
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Abraham Joy
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
| | - Ali Dhinojwala
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, Ohio 44325, United States
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9
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Wang T, Li Y, Wang J, Xu Y, Chen Y, Lu Z, Wang W, Xue B, Li Y, Cao Y. Smart Adhesive Peptide Nanofibers for Cell Capture and Release. ACS Biomater Sci Eng 2020; 6:6800-6807. [DOI: 10.1021/acsbiomaterials.0c01485] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Tiankuo Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Yiran Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Juan Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Ying Xu
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Yifang Chen
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 210044 Nanjing, China
- Reading Academy, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Zilin Lu
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 210044 Nanjing, China
- Reading Academy, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Wei Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Bin Xue
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Ying Li
- Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science & Technology, 210044 Nanjing, China
- Reading Academy, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Department of Physics, Nanjing University, Nanjing 210093, China
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10
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Steinbauer P, Rohatschek A, Andriotis O, Bouropoulos N, Liska R, Thurner PJ, Baudis S. Single-Molecule Force Spectroscopy Reveals Adhesion-by-Demand in Statherin at the Protein-Hydroxyapatite Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:13292-13300. [PMID: 33118809 PMCID: PMC7660943 DOI: 10.1021/acs.langmuir.0c02325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/09/2020] [Indexed: 06/11/2023]
Abstract
Achieving strong adhesion in wet environments remains a technological challenge in biomedical applications demanding biocompatibility. Attention for adhesive motifs meeting such demands has largely been focused on marine organisms. However, bioadhesion to inorganic surfaces is also present in the human body, in the hard tissues of teeth and bones, and is mediated through serines (S). The specific amino acid sequence DpSpSEEKC has been previously suggested to be responsible for the strong binding abilities of the protein statherin to hydroxyapatite, where pS denotes phosphorylated serine. Notably, similar sequences are present in the non-collagenous bone protein osteopontin (OPN) and the mussel foot protein 5 (Mefp5). OPN has previously been shown to promote fracture toughness and physiological damage formation. Here, we investigated the adhesion strength of the motif D(pS)(pS)EEKC on substrates of hydroxyapatite, TiO2, and mica using atomic force microscopy (AFM) single-molecule force spectroscopy (SMFS). Specifically, we investigated the dependence of adhesion force on phosphorylation of serines by comparing findings with the unphosphorylated variant DSSEEKC. Our results show that high adhesion forces of over 1 nN on hydroxyapatite and on TiO2 are only present for the phosphorylated variant D(pS)(pS)EEKC. This warrants further exploitation of this motif or similar residues in technological applications. Further, the dependence of adhesion force on phosphorylation suggests that biological systems potentially employ an adhesion-by-demand mechanism via expression of enzymes that up- or down-regulate phosphorylation, to increase or decrease adhesion forces, respectively.
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Affiliation(s)
- Patrick Steinbauer
- Christian
Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing, TU Wien, Vienna 1060, Austria
- Institute
of Applied Synthetic Chemistry, Division of Macromolecular Chemistry, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
| | - Andreas Rohatschek
- Institute
of Lightweight Design and Structural Biomechanics, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
- Biointerface
Doctorate School, TU Wien, Vienna 1060, Austria
| | - Orestis Andriotis
- Institute
of Lightweight Design and Structural Biomechanics, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
| | - Nikolaos Bouropoulos
- Department
of Materials Science, University of Patras, Rio Patras GR-26504, Greece
- Foundation
for Research and Technology Hellas, Institute of Chemical Engineering
and High Temperature Chemical Processes, FORTH/ICE-HT, Patras 26504, Greece
| | - Robert Liska
- Institute
of Applied Synthetic Chemistry, Division of Macromolecular Chemistry, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
- Biointerface
Doctorate School, TU Wien, Vienna 1060, Austria
| | - Philipp J. Thurner
- Institute
of Lightweight Design and Structural Biomechanics, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
- Biointerface
Doctorate School, TU Wien, Vienna 1060, Austria
| | - Stefan Baudis
- Christian
Doppler Laboratory for Advanced Polymers for Biomaterials and 3D Printing, TU Wien, Vienna 1060, Austria
- Institute
of Applied Synthetic Chemistry, Division of Macromolecular Chemistry, TU Wien, Vienna 1060, Austria
- Austrian
Cluster for Tissue Regeneration, Vienna 1200, Austria
- Biointerface
Doctorate School, TU Wien, Vienna 1060, Austria
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11
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Wislez A, Sluysmans D, Giamblanco N, Willet N, Bano F, Van De Weerdt C, Detrembleur C, Duwez AS. How to Increase Adhesion Strength of Catechol Polymers to Wet Inorganic Surfaces. Biomacromolecules 2020; 22:183-189. [PMID: 32786525 DOI: 10.1021/acs.biomac.0c00968] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Mussel wet adhesion is known for its outstanding strength on a variety of surfaces. On the basis of the hypothesis that 3,4-dihydroxyphenylalanine, a catecholic amino acid, governs mussel adhesion, chemists have put much effort into the design of adhesive synthetic polymers containing catechols. However, the exceptional properties exhibited by the native proteins were hardly captured. The attempts to make those polymers stick to wet inorganic surfaces resulted in low adhesive forces. Here we synthesized poly(dopamine acrylamide) and measured the interaction forces with various inorganic surfaces using atomic force microscopy-based single-molecule force spectroscopy. We show that hydroxylation of the surface plays a pivotal role on the formation of strong bonds. We demonstrate that depending on the conditions, the whole range of interactions, from weak interactions to covalent bonds, can come into play.
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Affiliation(s)
- Arnaud Wislez
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
| | - Damien Sluysmans
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
| | - Nicoletta Giamblanco
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
| | - Nicolas Willet
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
| | - Fouzia Bano
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
| | | | | | - Anne-Sophie Duwez
- Department of Chemistry, UR MolSys, University of Liège, Sart-Tilman, B6a, B-4000 Liège, Belgium
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12
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Li Y, Cheng J, Delparastan P, Wang H, Sigg SJ, DeFrates KG, Cao Y, Messersmith PB. Molecular design principles of Lysine-DOPA wet adhesion. Nat Commun 2020; 11:3895. [PMID: 32753588 PMCID: PMC7403305 DOI: 10.1038/s41467-020-17597-4] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 07/03/2020] [Indexed: 02/06/2023] Open
Abstract
The mussel byssus has long been a source of inspiration for the adhesion community. Recently, adhesive synergy between flanking lysine (Lys, K) and 3,4-Dihydroxyphenylalanine (DOPA, Y) residues in the mussel foot proteins (Mfps) has been highlighted. However, the complex topological relationship of DOPA and Lys as well as the interfacial adhesive roles of other amino acids have been understudied. Herein, we study adhesion of Lys and DOPA-containing peptides to organic and inorganic substrates using single-molecule force spectroscopy (SMFS). We show that a modest increase in peptide length, from KY to (KY)3, increases adhesion strength to TiO2. Surprisingly, further increase in peptide length offers no additional benefit. Additionally, comparison of adhesion of dipeptides containing Lys and either DOPA (KY) or phenylalanine (KF) shows that DOPA is stronger and more versatile. We furthermore demonstrate that incorporating a nonadhesive spacer between (KY) repeats can mimic the hidden length in the Mfp and act as an effective strategy to dissipate energy.
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Affiliation(s)
- Yiran Li
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA
- Department of Physics, Nanjing University, 210093, Nanjing, P. R. China
| | - Jing Cheng
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Peyman Delparastan
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Haoqi Wang
- Department of Physics, Nanjing University, 210093, Nanjing, P. R. China
| | - Severin J Sigg
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Kelsey G DeFrates
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA
| | - Yi Cao
- Department of Physics, Nanjing University, 210093, Nanjing, P. R. China
| | - Phillip B Messersmith
- Departments of Bioengineering and Materials Science and Engineering, University of California, Berkeley, CA, USA.
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
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13
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Muddassir M. Blue light-induced low mechanical stability of ruthenium-based coordination bonds: an AFM-based single-molecule force spectroscopy study. RSC Adv 2020; 10:40543-40551. [PMID: 35520844 PMCID: PMC9057637 DOI: 10.1039/d0ra07274e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 10/25/2020] [Indexed: 12/22/2022] Open
Abstract
A HA–RuII complex was conjugated to a hyaluronan polymer through amide bonds. In AFM experiments using the “multi-fishhook” approach, the cantilever tip made contact with the polymeric molecule, resulting in stretching, indicated by sawtooth-like force-extension curves.
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Affiliation(s)
- Mohd. Muddassir
- Department of Chemistry
- College of Science
- King Saud University
- Riyadh 11451
- Saudi Arabia
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14
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Li Y, Cao Y. The molecular mechanisms underlying mussel adhesion. NANOSCALE ADVANCES 2019; 1:4246-4257. [PMID: 36134404 PMCID: PMC9418609 DOI: 10.1039/c9na00582j] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 10/09/2019] [Indexed: 06/12/2023]
Abstract
Marine mussels are able to firmly affix on various wet surfaces by the overproduction of special mussel foot proteins (mfps). Abundant fundamental studies have been conducted to understand the molecular basis of mussel adhesion, where the catecholic amino acid, l-3,4-dihydroxyphenylalanine (DOPA) has been found to play the major role. These studies continue to inspire the engineering of novel adhesives and coatings with improved underwater performances. Despite the fact that the recent advances of adhesives and coatings inspired by mussel adhesive proteins have been intensively reviewed in literature, the fundamental biochemical and biophysical studies on the origin of the strong and versatile wet adhesion have not been fully covered. In this review, we show how the force measurements at the molecular level by surface force apparatus (SFA) and single molecule atomic force microscopy (AFM) can be used to reveal the direct link between DOPA and the wet adhesion strength of mussel proteins. We highlight a few important technical details that are critical to the successful experimental design. We also summarize many new insights going beyond DOPA adhesion, such as the surface environment and protein sequence dependent synergistic and cooperative binding. We also provide a perspective on a few uncharted but outstanding questions for future studies. A comprehensive understanding on mussel adhesion will be beneficial to the design of novel synthetic wet adhesives for various biomedical applications.
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Affiliation(s)
- Yiran Li
- Shenzhen Research Institute of Nanjing University Shenzhen 518057 China
- Department of Physics, Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Soli State Microstructure, Nanjing University Nanjing 210093 China
| | - Yi Cao
- Shenzhen Research Institute of Nanjing University Shenzhen 518057 China
- Department of Physics, Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Soli State Microstructure, Nanjing University Nanjing 210093 China
- Chemistry and Biomedicine Innovation Center, Nanjing University Nanjing 210093 China
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15
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Ausanio G, Califano V, Costantini A, Perretta G, Aronne A, Pepe GP, Sannino F, Vicari LRM. Matrix-assisted pulsed laser evaporation of β-glucosidase from a dopa/quinone target. Enzyme Microb Technol 2019; 132:109414. [PMID: 31731961 DOI: 10.1016/j.enzmictec.2019.109414] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/23/2019] [Accepted: 08/19/2019] [Indexed: 01/09/2023]
Abstract
β-glucosidase (BG) plays a key role in determining the efficiency of the enzymatic complex cellulase for the degradation of cellulose into sugars. It hydrolyses the cellobiose, an inhibitor of the enzymatic complex. Therefore, the immobilization of BG is a great challenge for the industrial application of cellulases. Cellulases usually contains a BG amount insufficient to avoid inhibition by cellobiose. Here the BG was immobilized by matrix assisted pulsed laser evaporation (MAPLE) technique. The frozen matrix was composed of water, water/m-DOPA and water/m-DOPA/quinone. The effect of the excipients on the final conformation of the enzyme after the MAPLE processing was determined. The enzyme secondary structure was studied by FTIR analysis. The catalytic performances of the deposited films were tested in the cellobiose hydrolysis reaction. The results demonstrate that the presence of the oxidized form of m-DOPA, the O-quinone form, can protect the protein native structure, with the laser inducing little or no damage. In fact, only the samples deposited from this target preserved the secondary structure of the polypeptide chain and allowed a complete hydrolysis of cellobiose for four consecutive runs, showing a high operational stability of the biocatalyst.
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Affiliation(s)
- Giovanni Ausanio
- SPIN-CNR Sede di Napoli, Complesso di Monte Sant'Angelo, 80126 Napoli, Italy; Department of Physics "Ettore Pancini", Università degli Studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
| | | | - Aniello Costantini
- Department of Chemical Engineering, Materials and Industrial Production, Università degli Studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
| | | | - Antonio Aronne
- Department of Chemical Engineering, Materials and Industrial Production, Università degli Studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
| | - Giovanni Piero Pepe
- SPIN-CNR Sede di Napoli, Complesso di Monte Sant'Angelo, 80126 Napoli, Italy; Department of Physics "Ettore Pancini", Università degli Studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
| | - Filomena Sannino
- Department of Agricultural Sciences Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Na, Italy
| | - Luciano R M Vicari
- SPIN-CNR Sede di Napoli, Complesso di Monte Sant'Angelo, 80126 Napoli, Italy; Department of Physics "Ettore Pancini", Università degli Studi di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy
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16
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Delparastan P, Malollari KG, Lee H, Messersmith PB. Direct Evidence for the Polymeric Nature of Polydopamine. Angew Chem Int Ed Engl 2019; 58:1077-1082. [PMID: 30485624 PMCID: PMC6424361 DOI: 10.1002/anie.201811763] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/18/2018] [Indexed: 11/07/2022]
Abstract
Inspired by the adhesive proteins of mussels, polydopamine (pDA) has emerged as one of the most widely employed materials for surface functionalization. Despite numerous attempts at characterization, little consensus has emerged regarding whether pDA is a covalent polymer or a noncovalent aggregate of low molecular weight species. Here, we employed single-molecule force spectroscopy (SMFS) to characterize pDA films. Retraction of a pDA-coated cantilever from an oxide surface shows the characteristic features of a polymer with contour lengths of up to 200 nm. pDA polymers are generally weakly bound to the surface through much of their contour length, with occasional "sticky" points. Our findings represent the first direct evidence for the polymeric nature of pDA and provide a foundation upon which to better understand and tailor its physicochemical properties.
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Affiliation(s)
- Peyman Delparastan
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, 94720-1760 (USA),
| | | | - Haeshin Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea
| | - Phillip B. Messersmith
- Department of Materials Science and Engineering, University of California, Berkeley, Berkeley, CA, 94720-1760 (USA),
- Department of Bioengineering, University of California, Berkeley and Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley
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17
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Delparastan P, Malollari KG, Lee H, Messersmith PB. Direct Evidence for the Polymeric Nature of Polydopamine. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811763] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Peyman Delparastan
- Department of Materials Science and EngineeringUniversity of California, Berkeley Berkeley CA 94720-1760 USA
| | | | - Haeshin Lee
- Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST) Daejeon South Korea
| | - Phillip B. Messersmith
- Department of Materials Science and EngineeringUniversity of California, Berkeley Berkeley CA 94720-1760 USA
- Department of BioengineeringUniversity of California Berkeley USA
- Materials Science DivisionLawrence Berkeley National Laboratory, Berkeley USA
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18
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Kaur S, Narayanan A, Dalvi S, Liu Q, Joy A, Dhinojwala A. Direct Observation of the Interplay of Catechol Binding and Polymer Hydrophobicity in a Mussel-Inspired Elastomeric Adhesive. ACS CENTRAL SCIENCE 2018; 4:1420-1429. [PMID: 30410980 PMCID: PMC6202650 DOI: 10.1021/acscentsci.8b00526] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Indexed: 05/29/2023]
Abstract
Marine organisms such as mussels have mastered the challenges in underwater adhesion by incorporating post-translationally modified amino acids like l-3,4-dihydroxyphenylalanine (DOPA) in adhesive proteins. Here we designed a catechol containing elastomer adhesive to identify the role of catechol in interfacial adhesion in both dry and wet conditions. To decouple the adhesive contribution of catechol to the overall adhesion, the elastomer was designed to be cross-linked through [2 + 2] photo-cycloaddition of coumarin. The elastomer with catechol moieties displayed a higher adhesion strength than the catechol-protected elastomer. The contact interface was probed using interface-sensitive sum frequency generation spectroscopy to explore the question of whether catechol can displace water and bond with hydrophilic surfaces. The spectroscopy measurements reveal that the maximum binding energy of the catechol and protected-catechol elastomers to sapphire substrate is 7.0 ± 0.1 kJ/(mole of surface O-H), which is equivalent to 0.10 J/m2. The higher dry and wet adhesion observed in the macroscopic adhesion measurements for the catechol containing elastomer originates from multiple hydrogen bonds of the catechol dihydroxy groups to the surface. In addition, our results show that catechol by itself does not remove the confined interstitial water. In these elastomers, it is the hydrophobic groups that help in partially removing interstitial water. The observation of the synergy between catechol binding and hydrophobicity in enabling the mussel-inspired soft adhesive elastomer to stick underwater provides a framework for designing materials for applications in tissue adhesion and moist-skin wearable electronics.
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Affiliation(s)
| | | | - Siddhesh Dalvi
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Qianhui Liu
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Abraham Joy
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
| | - Ali Dhinojwala
- Department of Polymer Science, The University of Akron, Akron, Ohio 44325, United States
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19
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Li B, Wang X, Li Y, Paananen A, Szilvay GR, Qin M, Wang W, Cao Y. Single-Molecule Force Spectroscopy Reveals Self-Assembly Enhanced Surface Binding of Hydrophobins. Chemistry 2018; 24:9224-9228. [PMID: 29687928 DOI: 10.1002/chem.201801730] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Indexed: 01/26/2023]
Abstract
Hydrophobins have raised lots of interest as powerful surface adhesives. However, it remains largely unexplored how their strong and versatile surface adhesion is linked to their unique amphiphilic structural features. Here, we develop an AFM-based single-molecule force spectroscopy assay to quantitatively measure the binding strength of hydrophobin to various types of surfaces both in isolation and in preformed protein films. We find that individual class II hydrophobins (HFBI) bind strongly to hydrophobic surfaces but weakly to hydrophilic ones. After self-assembly into protein films, they show much stronger binding strength to both surfaces due to the cooperativity of different interactions at nanoscale. Such self-assembly enhanced surface binding may serve as a general design principle for synthetic bioactive adhesives.
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Affiliation(s)
- Bing Li
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China
| | - Xin Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China
| | - Ying Li
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu, 210044, P. R. China
| | - Arja Paananen
- Industrial Biotechnology, VTT Technical Research Centre of Finland Ltd, 02044 VTT, Espoo, Finland
| | - Géza R Szilvay
- Industrial Biotechnology, VTT Technical Research Centre of Finland Ltd, 02044 VTT, Espoo, Finland
| | - Meng Qin
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China
| | - Wei Wang
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Department of Physics, Nanjing University, Nanjing, 210093, P. R. China
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20
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Xu Q, Li Y, Zhu Y, Zhao K, Gu R, Zhu Q. Recombinant human BMP-7 grafted poly(lactide-co-glycolide)/hydroxyapatite scaffolds via polydopamine for enhanced calvarial repair. RSC Adv 2018; 8:27191-27200. [PMID: 35539987 PMCID: PMC9083550 DOI: 10.1039/c8ra05606d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 07/23/2018] [Indexed: 01/08/2023] Open
Abstract
Polydopamine-assisted rhBMP-7 immobilization on PLGA/hydroxyapatite scaffold via phase inversion for enhanced calvarial repair in vivo.
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Affiliation(s)
- Qinli Xu
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
| | - Ye Li
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
| | - Yuhang Zhu
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
| | - Kunchi Zhao
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
| | - Rui Gu
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
| | - Qingsan Zhu
- Department of Orthopedics
- China-Japan Union Hospital
- Jilin University
- Changchun
- PR China
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21
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Califano V, Bloisi F, Perretta G, Aronne A, Ausanio G, Costantini A, Vicari L. Frozen Microemulsions for MAPLE Immobilization of Lipase. Molecules 2017; 22:molecules22122153. [PMID: 29206163 PMCID: PMC6149894 DOI: 10.3390/molecules22122153] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/26/2017] [Accepted: 11/27/2017] [Indexed: 11/16/2022] Open
Abstract
Candida rugosa lipase (CRL) was deposited by matrix assisted pulsed laser evaporation (MAPLE) in order to immobilize the enzyme with a preserved native conformation, which ensures its catalytic functionality. For this purpose, the composition of the MAPLE target was optimized by adding the oil phase pentane to a water solution of the amino acid 3-(3,4-dihydroxyphenyl)-2-methyl-l-alanine (m-DOPA), giving a target formed by a frozen water-lipase-pentane microemulsion. Fourier transform infrared (FTIR) spectroscopy and atomic force microscopy (AFM) were used to investigate the structure of MAPLE deposited lipase films. FTIR deconvolution of amide I band indicated a reduction of unfolding and aggregation, i.e., a better preserved lipase secondary structure in the sample deposited from the frozen microemulsion target. AFM images highlighted the absence of big aggregates on the surface of the sample. The functionality of the immobilized enzyme to promote transesterification was determined by thin layer chromatography, resulting in a modified specificity.
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Affiliation(s)
| | - Francesco Bloisi
- CNR-SPIN and Department of Physics "Ettore Pancini", University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Napoli, Italy.
| | | | - Antonio Aronne
- Department of Chemical Engineering, Materials and Industrial Production, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Napoli, Italy.
| | - Giovanni Ausanio
- CNR-SPIN and Department of Physics "Ettore Pancini", University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Napoli, Italy.
| | - Aniello Costantini
- Department of Chemical Engineering, Materials and Industrial Production, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Napoli, Italy.
| | - Luciano Vicari
- CNR-SPIN and Department of Physics "Ettore Pancini", University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Napoli, Italy.
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22
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Li Y, Wang T, Xia L, Wang L, Qin M, Li Y, Wang W, Cao Y. Single-molecule study of the synergistic effects of positive charges and Dopa for wet adhesion. J Mater Chem B 2017; 5:4416-4420. [DOI: 10.1039/c7tb00131b] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Using AFM based single-molecule force spectroscopy, we studied the synergy between Dopa and lysine for wet adhesion on titania (TiO2) and mica surfaces.
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Affiliation(s)
- Yiran Li
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| | - Tiankuo Wang
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| | - Lei Xia
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| | - Lei Wang
- Jiangsu Engineering Technology Research Centre of Environmental Cleaning Materials
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control
- Jiangsu Joint Laboratory of Atmospheric Pollution Control
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology
- School of Environmental Science and Engineering
| | - Meng Qin
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| | - Ying Li
- Jiangsu Engineering Technology Research Centre of Environmental Cleaning Materials
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control
- Jiangsu Joint Laboratory of Atmospheric Pollution Control
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology
- School of Environmental Science and Engineering
| | - Wei Wang
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| | - Yi Cao
- Collaborative Innovation Center of Advanced Microstructures
- National Laboratory of Solid State Microstructure
- Department of Physics
- Nanjing University
- Nanjing 210093
| |
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