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Pramanik NB, Adiyala V, Wang W, Liang F, Ajayan P, John G. PEG
‐based polymer coated proppants in supercritical
CO
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: A new approach in current fracturing protocols. J Appl Polym Sci 2022. [DOI: 10.1002/app.53246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nabendu B. Pramanik
- Department of Chemistry and Biochemistry The City College of New York New York New York USA
| | - Vidyasagar Adiyala
- Department of Chemistry and Biochemistry The City College of New York New York New York USA
| | - Weipeng Wang
- Department of Materials Science and Nanoengineering Rice University Houston Texas USA
| | - Feng Liang
- Aramco Services Company: Aramco Research Center—Houston Houston Texas USA
| | - Pulickel Ajayan
- Department of Materials Science and Nanoengineering Rice University Houston Texas USA
| | - George John
- Department of Chemistry and Biochemistry The City College of New York New York New York USA
- Doctoral Program in Chemistry, The City University of New York, Graduate Center New York New York USA
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2
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New amphiphilic terpolymers of N-vinylpyrrolidone with poly(ethylene glycol) methyl ether methacrylate and triethylene glycol dimethacrylate as carriers of the hydrophobic fluorescent dye. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03936-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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3
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Effect of poly(ethylene glycol) methacrylate on the ophthalmic properties of silicone hydrogel contact lenses. Colloids Surf B Biointerfaces 2022. [DOI: 10.1016/j.colsurfb.2022.112713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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4
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Qiu H, Feng K, Gapeeva A, Meurisch K, Kaps S, Li X, Yu L, Mishra YK, Adelung R, Baum M. Functional Polymer Materials for Modern Marine Biofouling Control. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101516] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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5
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Li Q, Wang L, Chen F, Constantinou AP, Georgiou TK. Thermoresponsive oligo(ethylene glycol) methyl ether methacrylate based copolymers: composition and comonomer effect. Polym Chem 2022. [DOI: 10.1039/d1py01688a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Thermoresponsive polymers based on oligo(ethylene glycol) (OEG) methyl ether methacrylate monomers from unimers to micelles to precipitation.
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Affiliation(s)
- Qian Li
- Department of Materials, Imperial College London, Royal School of Mines, Exhibition Road, SW7 2AZ, London, UK
| | - Lezhi Wang
- Department of Materials, Imperial College London, Royal School of Mines, Exhibition Road, SW7 2AZ, London, UK
| | - Feihong Chen
- Department of Materials, Imperial College London, Royal School of Mines, Exhibition Road, SW7 2AZ, London, UK
| | - Anna P. Constantinou
- Department of Materials, Imperial College London, Royal School of Mines, Exhibition Road, SW7 2AZ, London, UK
| | - Theoni K. Georgiou
- Department of Materials, Imperial College London, Royal School of Mines, Exhibition Road, SW7 2AZ, London, UK
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6
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Tsouka A, Hoetzel K, Mende M, Heidepriem J, Paris G, Eickelmann S, Seeberger PH, Lepenies B, Loeffler FF. Probing Multivalent Carbohydrate-Protein Interactions With On-Chip Synthesized Glycopeptides Using Different Functionalized Surfaces. Front Chem 2021; 9:766932. [PMID: 34778215 PMCID: PMC8589469 DOI: 10.3389/fchem.2021.766932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/11/2021] [Indexed: 01/01/2023] Open
Abstract
Multivalent ligand-protein interactions are a commonly employed approach by nature in many biological processes. Single glycan-protein interactions are often weak, but their affinity and specificity can be drastically enhanced by engaging multiple binding sites. Microarray technology allows for quick, parallel screening of such interactions. Yet, current glycan microarray methodologies usually neglect defined multivalent presentation. Our laser-based array technology allows for a flexible, cost-efficient, and rapid in situ chemical synthesis of peptide scaffolds directly on functionalized glass slides. Using copper(I)-catalyzed azide-alkyne cycloaddition, different monomer sugar azides were attached to the scaffolds, resulting in spatially defined multivalent glycopeptides on the solid support. Studying their interaction with several different lectins showed that not only the spatially defined sugar presentation, but also the surface functionalization and wettability, as well as accessibility and flexibility, play an essential role in such interactions. Therefore, different commercially available functionalized glass slides were equipped with a polyethylene glycol (PEG) linker to demonstrate its effect on glycan-lectin interactions. Moreover, different monomer sugar azides with and without an additional PEG-spacer were attached to the peptide scaffold to increase flexibility and thereby improve binding affinity. A variety of fluorescently labeled lectins were probed, indicating that different lectin-glycan pairs require different surface functionalization and spacers for enhanced binding. This approach allows for rapid screening and evaluation of spacing-, density-, ligand and surface-dependent parameters, to find optimal lectin binders.
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Affiliation(s)
- Alexandra Tsouka
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Kassandra Hoetzel
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Marco Mende
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Jasmin Heidepriem
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Grigori Paris
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Department of System Dynamics and Friction Physics, Institute of Mechanics, Technical University of Berlin, Berlin, Germany
| | - Stephan Eickelmann
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - Peter H. Seeberger
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
| | - Bernd Lepenies
- Institute for Immunology and Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Felix F. Loeffler
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
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7
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Russo MJ, Han M, Desroches PE, Manasa CS, Dennaoui J, Quigley AF, Kapsa RMI, Moulton SE, Guijt RM, Greene GW, Silva SM. Antifouling Strategies for Electrochemical Biosensing: Mechanisms and Performance toward Point of Care Based Diagnostic Applications. ACS Sens 2021; 6:1482-1507. [PMID: 33765383 DOI: 10.1021/acssensors.1c00390] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Although there exist numerous established laboratory-based technologies for sample diagnostics and analyte detection, many medical and forensic science applications require point of care based platforms for rapid on-the-spot sample analysis. Electrochemical biosensors provide a promising avenue for such applications due to the portability and functional simplicity of the technology. However, the ability to develop such platforms with the high sensitivity and selectivity required for analysis of low analyte concentrations in complex biological samples remains a paramount issue in the field of biosensing. Nonspecific adsorption, or fouling, at the electrode interface via the innumerable biomolecules present in these sample types (i.e., serum, urine, blood/plasma, and saliva) can drastically obstruct electrochemical performance, increasing background "noise" and diminishing both the electrochemical signal magnitude and specificity of the biosensor. Consequently, this review aims to discuss strategies and concepts used throughout the literature to prevent electrode surface fouling in biosensors and to communicate the nature of the antifouling mechanisms by which they operate. Evaluation of each antifouling strategy is focused primarily on the fabrication method, experimental technique, sample composition, and electrochemical performance of each technology highlighting the overall feasibility of the platform for point of care based diagnostic/detection applications.
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Affiliation(s)
- Matthew J. Russo
- Institute for Frontier Materials and ARC Centre of Excellence for Electromaterials Science, Deakin University, Melbourne, Victoria 3216, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Mingyu Han
- Institute for Frontier Materials and ARC Centre of Excellence for Electromaterials Science, Deakin University, Melbourne, Victoria 3216, Australia
| | - Pauline E. Desroches
- Institute for Frontier Materials and ARC Centre of Excellence for Electromaterials Science, Deakin University, Melbourne, Victoria 3216, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Clayton S. Manasa
- ARC Centre of Excellence for Electromaterials Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Jessair Dennaoui
- School of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria 3000, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Anita F. Quigley
- School of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria 3000, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Robert M. I. Kapsa
- School of Electrical and Biomedical Engineering, RMIT University, Melbourne, Victoria 3000, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
| | - Simon E. Moulton
- ARC Centre of Excellence for Electromaterials Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- Iverson Health Innovation Research Institute, Swinburne University of Technology, Victoria 3122, Australia
- Centre for Regional and Rural Futures, Deakin University, Geelong, Victoria 3220, Australia
| | - Rosanne M. Guijt
- Centre for Regional and Rural Futures, Deakin University, Geelong, Victoria 3220, Australia
| | - George W. Greene
- Institute for Frontier Materials and ARC Centre of Excellence for Electromaterials Science, Deakin University, Melbourne, Victoria 3216, Australia
| | - Saimon Moraes Silva
- ARC Centre of Excellence for Electromaterials Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria 3122, Australia
- The Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Melbourne, Victoria 3065, Australia
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8
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Abstract
Hydrogels are 3D crosslinked polymer matrices having a colossal tendency to imbibe water and exhibit swelling under physiological conditions without deformation in their hydrophilic network. Hydrogels being biodegradable and biocompatible, gained consideration due to some unique characteristics: responsiveness to external stimuli (pH, temperature) and swelling in aqueous solutions. Hydrogels offer a promising option for various pharmaceutical and biomedical applications, including tissue-specific drug delivery at a predetermined, controlled rate. This article presents a brief review of the recent and fundamental advances to design hydrogels, the swelling and deswelling mechanism, various crosslinking methods and their use as an intelligent carrier in the pharmaceutical field. Recent applications of hydrogels are also briefly discussed and exemplified.
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9
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Usman A, Zhang C, Zhao J, Peng H, Kurniawan ND, Fu C, Hill DJT, Whittaker AK. Tuning the thermoresponsive properties of PEG-based fluorinated polymers and stimuli responsive drug release for switchable 19F magnetic resonance imaging. Polym Chem 2021. [DOI: 10.1039/d1py00602a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Switching on of the 19F MRI signal via stimuli-responsive release of hydrophobic drug from PEG-based partly-fluorinated polymers due to change in thermoresponsive properties.
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Affiliation(s)
- Adil Usman
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Cheng Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Jiacheng Zhao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Hui Peng
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Nyoman D. Kurniawan
- Centre for Advanced Imaging, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Changkui Fu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
| | - David J. T. Hill
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Andrew K. Whittaker
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, QLD 4072, Australia
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10
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Mende M, Tsouka A, Heidepriem J, Paris G, Mattes DS, Eickelmann S, Bordoni V, Wawrzinek R, Fuchsberger FF, Seeberger PH, Rademacher C, Delbianco M, Mallagaray A, Loeffler FF. On-Chip Neo-Glycopeptide Synthesis for Multivalent Glycan Presentation. Chemistry 2020; 26:9954-9963. [PMID: 32315099 PMCID: PMC7496964 DOI: 10.1002/chem.202001291] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/17/2020] [Indexed: 11/11/2022]
Abstract
Single glycan-protein interactions are often weak, such that glycan binding partners commonly utilize multiple, spatially defined binding sites to enhance binding avidity and specificity. Current array technologies usually neglect defined multivalent display. Laser-based array synthesis technology allows for flexible and rapid on-surface synthesis of different peptides. By combining this technique with click chemistry, neo-glycopeptides were produced directly on a functionalized glass slide in the microarray format. Density and spatial distribution of carbohydrates can be tuned, resulting in well-defined glycan structures for multivalent display. The two lectins concanavalin A and langerin were probed with different glycans on multivalent scaffolds, revealing strong spacing-, density-, and ligand-dependent binding. In addition, we could also measure the surface dissociation constant. This approach allows for a rapid generation, screening, and optimization of a multitude of multivalent scaffolds for glycan binding.
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Affiliation(s)
- Marco Mende
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Alexandra Tsouka
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Jasmin Heidepriem
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Grigori Paris
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Daniela S. Mattes
- Institute of Microstructure TechnologyKarlsruhe Institute of TechnologyHermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
| | - Stephan Eickelmann
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Vittorio Bordoni
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Robert Wawrzinek
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Felix F. Fuchsberger
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Peter H. Seeberger
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
- Department of Chemistry and BiochemistryFreie Universität BerlinArnimalle 2214195BerlinGermany
| | - Christoph Rademacher
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Martina Delbianco
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
| | - Alvaro Mallagaray
- Institut für Chemie und MetabolomicsUniversität zu LübeckRatzeburger Allee 16023562LübeckGermany
| | - Felix F. Loeffler
- Department of Biomolecular SystemsMax Planck Institute of Colloids and InterfacesAm Muehlenberg 114476PotsdamGermany
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11
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Lorusso E, Ali W, Leniart M, Gebert B, Oberthür M, Gutmann JS. Tuning the Density of Zwitterionic Polymer Brushes on PET Fabrics by Aminolysis: Effect on Antifouling Performances. Polymers (Basel) 2019; 12:E6. [PMID: 31861436 PMCID: PMC7023513 DOI: 10.3390/polym12010006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/06/2019] [Accepted: 12/13/2019] [Indexed: 01/05/2023] Open
Abstract
Here, we synthesize zwitterionic polymer brushes on polyester fabrics by atom transfer radical polymerization (ATRP) after a prefunctionalization step involving an aminolysis reaction with ethylenediamine. Aminolysis is an easy method to achieve homogeneous distributions of functional groups on polyester fibers (PET) fabrics. Varying the polymerization time and the prefunctionalization conditions of the reaction, it is possible to tune the amount of water retained over the surface and study its effect on protein adhesion. This study revealed that the polymerization time plays a major role in preventing protein adhesion on the PET surface.
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Affiliation(s)
- Emanuela Lorusso
- Deutsches Textilforschungszentrum Nord-West ÖP GmbH, 47798 Krefeld, Germany;
- Department of Physical Chemistry and Center of Nanointegration (CENIDE), University Duisburg-Essen, 45141 Essen, Germany;
| | - Wael Ali
- Department of Physical Chemistry and Center of Nanointegration (CENIDE), University Duisburg-Essen, 45141 Essen, Germany;
- Deutsches Textilforschungszentrum Nord-West gGmbH, 47798 Krefeld, Germany; (M.L.); (B.G.)
| | - Michael Leniart
- Deutsches Textilforschungszentrum Nord-West gGmbH, 47798 Krefeld, Germany; (M.L.); (B.G.)
| | - Beate Gebert
- Deutsches Textilforschungszentrum Nord-West gGmbH, 47798 Krefeld, Germany; (M.L.); (B.G.)
| | - Markus Oberthür
- Department of Design, Hochschule für Angewandte Wissenschaften (HAW) Hamburg, 22087 Hamburg, Germany;
| | - Jochen S. Gutmann
- Deutsches Textilforschungszentrum Nord-West ÖP GmbH, 47798 Krefeld, Germany;
- Department of Physical Chemistry and Center of Nanointegration (CENIDE), University Duisburg-Essen, 45141 Essen, Germany;
- Deutsches Textilforschungszentrum Nord-West gGmbH, 47798 Krefeld, Germany; (M.L.); (B.G.)
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12
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Mattes DS, Streit B, Bhandari DR, Greifenstein J, Foertsch TC, Münch SW, Ridder B, v. Bojničić‐Kninski C, Nesterov‐Mueller A, Spengler B, Schepers U, Bräse S, Loeffler FF, Breitling F. Combinatorial Synthesis of Peptoid Arrays via Laser‐Based Stacking of Multiple Polymer Nanolayers. Macromol Rapid Commun 2018; 40:e1800533. [DOI: 10.1002/marc.201800533] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/16/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Daniela. S. Mattes
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
- Institute of Organic ChemistryKarlsruhe Institute of Technology Fritz‐Haber‐Weg 6 76131 Karlsruhe Germany
| | - Bettina Streit
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
- Institute of Toxicology and GeneticsKarlsruhe Institute of Technology Hermann‐von Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Dhaka R. Bhandari
- Institute of Inorganic and Analytical ChemistryJustus‐Liebig University Giessen Heinrich‐Buff‐Ring 17 35392 Giessen Germany
| | - Juliane Greifenstein
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Tobias C. Foertsch
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Stephan W. Münch
- Institute of Organic ChemistryKarlsruhe Institute of Technology Fritz‐Haber‐Weg 6 76131 Karlsruhe Germany
| | - Barbara Ridder
- Institute of Organic ChemistryKarlsruhe Institute of Technology Fritz‐Haber‐Weg 6 76131 Karlsruhe Germany
| | - Clemens v. Bojničić‐Kninski
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Alexander Nesterov‐Mueller
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Bernhard Spengler
- Institute of Inorganic and Analytical ChemistryJustus‐Liebig University Giessen Heinrich‐Buff‐Ring 17 35392 Giessen Germany
| | - Ute Schepers
- Institute of Toxicology and GeneticsKarlsruhe Institute of Technology Hermann‐von Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Stefan Bräse
- Institute of Organic ChemistryKarlsruhe Institute of Technology Fritz‐Haber‐Weg 6 76131 Karlsruhe Germany
- Institute of Toxicology and GeneticsKarlsruhe Institute of Technology Hermann‐von Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Felix F. Loeffler
- Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 Potsdam Germany
| | - Frank Breitling
- Institute of Microstructure TechnologyKarlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
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13
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Atwater J, Mattes DS, Streit B, von Bojničić-Kninski C, Loeffler FF, Breitling F, Fuchs H, Hirtz M. Combinatorial Synthesis of Macromolecular Arrays by Microchannel Cantilever Spotting (µCS). ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1801632. [PMID: 29938845 DOI: 10.1002/adma.201801632] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/14/2018] [Indexed: 05/24/2023]
Abstract
Surface-bound microarrays of multiple oligo- and macromolecules (e.g., peptides, DNA) offer versatile options in biomedical applications like drug screening, DNA analysis, or medical diagnostics. Combinatorial syntheses of these molecules in situ can save significant resources in regard to processing time and material use. Furthermore, high feature densities are needed to enable high-throughput and low sample volumes as generally regarded in combinatorial chemistry. Here, a scanning-probe-lithography-based approach for the combinatorial in situ synthesis of macromolecules is presented in microarray format. Feature sizes below 40 µm allow for the creation of high-density arrays with feature densities of 62 500 features per cm2 . To demonstrate feasibility of this approach for biomedical applications, a multiplexed array of functional protein tags (HA- and FLAG-tag) is synthesized, and selective binding of respective epitope recognizing antibodies is shown. This approach uses only small amounts of base chemicals for synthesis and can be further parallelized, therefore, opening up a route to flexible, highly dense, and cost-effective microarrays.
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Affiliation(s)
- Jordyn Atwater
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Department of Chemistry Doane University, 014 Boswell Ave, Crete, NE, 68333, USA
| | - Daniela S Mattes
- Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Bettina Streit
- Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Clemens von Bojničić-Kninski
- Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Felix F Loeffler
- Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Frank Breitling
- Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Harald Fuchs
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Physical Institute and Center for Nanotechnology (CeNTech), University of Münster, Wilhelm-Klemm-Straße 10, 48149, Münster, Germany
| | - Michael Hirtz
- Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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14
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Venault A, Liou CS, Yeh LC, Jhong JF, Huang J, Chang Y. Turning Expanded Poly(tetrafluoroethylene) Membranes into Potential Skin Wound Dressings by Grafting a Bioinert Epoxylated PEGMA Copolymer. ACS Biomater Sci Eng 2017; 3:3338-3350. [DOI: 10.1021/acsbiomaterials.7b00732] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Antoine Venault
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
| | - Cheng-Sian Liou
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
| | - Lu-Chen Yeh
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
| | - Jheng-Fong Jhong
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
| | - James Huang
- Yeu Ming Tai Chemical Industrial Co. Ltd, Taichung 407, Taiwan
| | - Yung Chang
- Department of Chemical Engineering and R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Road, Chung-Li City 32023, Taiwan
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15
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Chen YW, Venault A, Jhong JF, Ho HT, Liu CC, Lee RH, Hsiue GH, Chang Y. Developing blood leukocytes depletion membranes from the design of bio-inert PEGylated hydrogel interfaces with surface charge control. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2017.05.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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16
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Yeh CC, Venault A, Yeh LC, Chinnathambi A, Alharbi SA, Higuchi A, Chang Y. Universal Bioinert Control of Polystyrene Interfaces via Hydrophobic-Driven Self-Assembled Surface PEGylation with a Well-Defined Block Sequence. MACROMOL CHEM PHYS 2017. [DOI: 10.1002/macp.201700102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Chih-Chen Yeh
- Department of Chemical Engineering and R&D Center for Membrane Technology; Chung Yuan Christian University; 200 Chung Pei Road Chung-Li City 32023 Taiwan
| | - Antoine Venault
- Department of Chemical Engineering and R&D Center for Membrane Technology; Chung Yuan Christian University; 200 Chung Pei Road Chung-Li City 32023 Taiwan
| | - Lu-Chen Yeh
- Department of Chemical Engineering and R&D Center for Membrane Technology; Chung Yuan Christian University; 200 Chung Pei Road Chung-Li City 32023 Taiwan
| | - Arunachalam Chinnathambi
- Department of Botany and Microbiology; College of Science; King Saud University; P. O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology; College of Science; King Saud University; P. O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Akon Higuchi
- Department of Chemical and Materials Engineering; National Central University; Jhong-Li Taoyuan 320 Taiwan
| | - Yung Chang
- Department of Chemical Engineering and R&D Center for Membrane Technology; Chung Yuan Christian University; 200 Chung Pei Road Chung-Li City 32023 Taiwan
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17
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Hui N, Sun X, Niu S, Luo X. PEGylated Polyaniline Nanofibers: Antifouling and Conducting Biomaterial for Electrochemical DNA Sensing. ACS APPLIED MATERIALS & INTERFACES 2017; 9:2914-2923. [PMID: 28026927 DOI: 10.1021/acsami.6b11682] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Biofouling arising from nonspecific adsorption is a substantial outstanding challenge in diagnostics and disease monitoring, and antifouling sensing interfaces capable of reducing the nonspecific adsorption of proteins from biological complex samples are highly desirable. We present herein the preparation of novel composite nanofibers through the grafting of polyethylene glycol (PEG) polymer onto polyaniline (PANI) nanofibers and their application in the development of antifouling electrochemical biosensors. The PEGylated PANI (PANI/PEG) nanofibers possessed large surface area and remained conductive and at the same time demonstrated excellent antifouling performances in single protein solutions as well as complex human serum samples. Sensitive and low fouling electrochemical biosensors for the breast cancer susceptibility gene (BRCA1) can be easily fabricated through the attachment of DNA probes to the PANI/PEG nanofibers. The biosensor showed a very high sensitivity to target BRCA1 with a linear range from 0.01 pM to 1 nM and was also efficient enough to detect DNA mismatches with satisfactory selectivity. Moreover, the DNA biosensor based on the PEGylated PANI nanofibers supported the quantification of BRCA1 in complex human serum, indicating great potential of this novel biomaterial for application in biosensors and bioelectronics.
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Affiliation(s)
- Ni Hui
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, China
| | - Xiaotian Sun
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, China
| | - Shuyan Niu
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, China
| | - Xiliang Luo
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, China
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18
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Printing Peptide arrays with a complementary metal oxide semiconductor chip. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2016; 137:1-23. [PMID: 23708824 DOI: 10.1007/10_2013_202] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
: In this chapter, we discuss the state-of-the-art peptide array technologies, comparing the spot technique, lithographical methods, and microelectronic chip-based approaches. Based on this analysis, we describe a novel peptide array synthesis method with a microelectronic chip printer. By means of a complementary metal oxide semiconductor chip, charged bioparticles can be patterned on its surface. The bioparticles serve as vehicles to transfer molecule monomers to specific synthesis spots. Our chip offers 16,384 pixel electrodes on its surface with a spot-to-spot pitch of 100 μm. By switching the voltage of each pixel between 0 and 100 V separately, it is possible to generate arbitrary particle patterns for combinatorial molecule synthesis. Afterwards, the patterned chip surface serves as a printing head to transfer the particle pattern from its surface to a synthesis substrate. We conducted a series of proof-of-principle experiments to synthesize high-density peptide arrays. Our solid phase synthesis approach is based on the 9-fluorenylmethoxycarbonyl protection group strategy. After melting the particles, embedded monomers diffuse to the surface and participate in the coupling reaction to the surface. The method demonstrated herein can be easily extended to the synthesis of more complicated artificial molecules by using bioparticles with artificial molecular building blocks. The possibility of synthesizing artificial peptides was also shown in an experiment in which we patterned biotin particles in a high-density array format. These results open the road to the development of peptide-based functional modules for diverse applications in biotechnology.
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19
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Ibanescu SA, Nowakowska J, Khanna N, Landmann R, Klok HA. Effects of Grafting Density and Film Thickness on the Adhesion of Staphylococcus epidermidis to Poly(2-hydroxy ethyl methacrylate) and Poly(poly(ethylene glycol)methacrylate) Brushes. Macromol Biosci 2016; 16:676-85. [PMID: 26757483 DOI: 10.1002/mabi.201500335] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 12/13/2015] [Indexed: 12/21/2022]
Abstract
Thin polymer films that prevent the adhesion of bacteria are of interest as coatings for the development of infection-resistant biomaterials. This study investigates the influence of grafting density and film thickness on the adhesion of Staphylococcus epidermidis to poly(poly(ethylene glycol)methacrylate) (PPEGMA) and poly(2-hydroxyethyl methacrylate) (PHEMA) brushes prepared via surface-initiated atom transfer radical polymerization (SI-ATRP). These brushes are compared with poly(ethylene glycol) (PEG) brushes, which are obtained by grafting PEG onto an epoxide-modified substrate. Except for very low grafting densities (ρ = 1%), crystal violet staining experiments show that the PHEMA and PPEGMA brushes are equally effective as the PEG-modified surfaces in preventing S. epidermis adhesion and do not reveal any significant variations as a function of film thickness or grafting density. These results indicate that brushes generated by SI-ATRP are an attractive alternative to grafted-onto PEG films for the preparation of surface coatings that resist bacterial adhesion.
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Affiliation(s)
- Sorin-Alexandru Ibanescu
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, Ecole Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015, Lausanne, Switzerland
| | - Justyna Nowakowska
- Infection Biology, Department of Biomedicine, University and University Hospital Basel, Hebelstrasse 20, CH-4031, Basel, Switzerland
| | - Nina Khanna
- Infection Biology, Department of Biomedicine, University and University Hospital Basel, Hebelstrasse 20, CH-4031, Basel, Switzerland.,Division of Infectious Diseases and Hospital Epidemiology, University Hospital of Basel, Petersgraben 4, CH-4056, Basel, Switzerland
| | - Regine Landmann
- Infection Biology, Department of Biomedicine, University and University Hospital Basel, Hebelstrasse 20, CH-4031, Basel, Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, Ecole Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015, Lausanne, Switzerland
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20
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Boyer C, Corrigan NA, Jung K, Nguyen D, Nguyen TK, Adnan NNM, Oliver S, Shanmugam S, Yeow J. Copper-Mediated Living Radical Polymerization (Atom Transfer Radical Polymerization and Copper(0) Mediated Polymerization): From Fundamentals to Bioapplications. Chem Rev 2015; 116:1803-949. [DOI: 10.1021/acs.chemrev.5b00396] [Citation(s) in RCA: 356] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Cyrille Boyer
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nathaniel Alan Corrigan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Kenward Jung
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Diep Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Thuy-Khanh Nguyen
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Nik Nik M. Adnan
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Susan Oliver
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Sivaprakash Shanmugam
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
| | - Jonathan Yeow
- Australian Centre for Nanomedicine, and ‡Centre for Advanced
Macromolecular
Design (CAMD), School of Chemical Engineering, University of New South Wales, Sydney 2052, Australia
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21
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Vernet T, Choulier L, Nominé Y, Bellard L, Baltzinger M, Travé G, Altschuh D. Spot peptide arrays and SPR measurements: throughput and quantification in antibody selectivity studies. J Mol Recognit 2015; 28:635-44. [PMID: 25960426 DOI: 10.1002/jmr.2477] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 03/31/2015] [Accepted: 03/31/2015] [Indexed: 11/07/2022]
Abstract
Antibody selectivity represents a major issue in the development of efficient immuno-therapeutics and detection assays. Its description requires a comparison of the affinities of the antibody for a significant number of antigen variants. In the case of peptide antigens, this task can now be addressed to a significant level of details owing to improvements in spot peptide array technologies. They allow the high-throughput mutational analysis of peptides with, depending on assay design, an evaluation of binding stabilities. Here, we examine the cross-reactive capacity of an antibody fragment using the PEPperCHIP(®) technology platform (PEPperPRINT GmbH, Heidelberg, Germany; >8800 peptides per microarray) combined with the surface plasmon resonance characterization (Biacore(®) technology; GE-Healthcare Biacore, Uppsala, Sweden) of a subset of interactions. ScFv1F4 recognizes the N-terminal end of oncoprotein E6 of human papilloma virus 16. The spot permutation analysis (i.e. each position substituted by all amino acids except cysteine) of the wild type decapeptide (sequence (6)TAMFQDPQER(15)) and of 15 variants thereof defined the optimal epitope and provided a ranking for variant recognition. The SPR affinity measurements mostly validated the ranking of complex stabilities deduced from array data and defined the sensitivity of spot fluorescence intensities, bringing further insight into the conditions for cross-reactivity. Our data demonstrate the importance of throughput and quantification in the assessment of antibody selectivity.
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Affiliation(s)
- Thierry Vernet
- IBS, Université Grenoble Alpes, F-38044, Grenoble, France.,IBS, CNRS, F-38044, Grenoble, France.,IBS, CEA, F-38044, Grenoble, France
| | - Laurence Choulier
- Biotechnologie et signalisation cellulaire, Université de Strasbourg, CNRS, ESBS, Boulevard Sébastien Brant BP10413, 67412, Illkirch, France.,Faculté de Pharmacie, CNRS UMR 7213, Université de Strasbourg, 74 route du Rhin, 67401, Illkirch, France
| | - Yves Nominé
- Biotechnologie et signalisation cellulaire, Université de Strasbourg, CNRS, ESBS, Boulevard Sébastien Brant BP10413, 67412, Illkirch, France
| | - Laure Bellard
- IBS, Université Grenoble Alpes, F-38044, Grenoble, France.,IBS, CNRS, F-38044, Grenoble, France.,IBS, CEA, F-38044, Grenoble, France
| | - Mireille Baltzinger
- Biotechnologie et signalisation cellulaire, Université de Strasbourg, CNRS, ESBS, Boulevard Sébastien Brant BP10413, 67412, Illkirch, France.,IBMC, CNRS UPR 9002 - ARN, Université de Strasbourg, 15 rue René Descartes, 67084, Strasbourg Cedex, France
| | - Gilles Travé
- Biotechnologie et signalisation cellulaire, Université de Strasbourg, CNRS, ESBS, Boulevard Sébastien Brant BP10413, 67412, Illkirch, France
| | - Danièle Altschuh
- Biotechnologie et signalisation cellulaire, Université de Strasbourg, CNRS, ESBS, Boulevard Sébastien Brant BP10413, 67412, Illkirch, France
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22
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Lowe S, O'Brien-Simpson NM, Connal LA. Antibiofouling polymer interfaces: poly(ethylene glycol) and other promising candidates. Polym Chem 2015. [DOI: 10.1039/c4py01356e] [Citation(s) in RCA: 330] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights antibiofouling polymer interfaces with emphasis on the latest developments using poly(ethylene glycol) and the design new polymeric structures.
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Affiliation(s)
- Sean Lowe
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Victoria
- Australia 3010
| | | | - Luke A. Connal
- Department of Chemical and Biomolecular Engineering
- The University of Melbourne
- Victoria
- Australia 3010
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23
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Jhong JF, Venault A, Liu L, Zheng J, Chen SH, Higuchi A, Huang J, Chang Y. Introducing mixed-charge copolymers as wound dressing biomaterials. ACS APPLIED MATERIALS & INTERFACES 2014; 6:9858-9870. [PMID: 24881869 DOI: 10.1021/am502382n] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Herein, a pseudozwitterionic structure bearing moieties with mixed positive and negative charges is introduced to develop a potential biomaterial for wound dressing applications. New mixed-charge matrices were prepared by copolymerization of the negatively charged 3-sulfopropyl methacrylate (SA) and positively charged [2-(methacryloyloxy)ethyl] trimethylammonium (TMA) onto expanded polytetrafluoroethylene (ePTFE) membranes. The charge balance was effectively regulated through the control of the initial SA/TMA ratio. The focus was then laid on the assessment of a variety of essential properties of efficient wound dressings including, hydration property, resistance to fibrinogen adsorption, hemocompatibility, as well as resistance to fibroblast attachment and bacteria colonization. It was found that the pseudozwitterionic membranes, compared to those with charge bias in the poly(SA-co-TMA) structure, exhibited the best combination of major properties. Therefore, they were further tested for wound healing. Histological examination of mouse wound treated with the pseudozwitterionic membranes exhibited complete re-epithelialization and total formation of new connective tissues after 14 days, even leading to faster healing than using commercial dressing. Results presented in this work suggest that the mixed-charge copolymers with a perfect balance of positive and negative moieties represent the newest generation of biomaterials for wound dressings.
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Affiliation(s)
- Jheng-Fong Jhong
- Department of Chemical Engineering and ‡R&D Center for Membrane Technology, Chung Yuan Christian University , 200 Chung Pei Road, Chung-Li City 32023, Taiwan
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24
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Wu Y, Qin Z, Ji J, Yang R, Zhang X, Li Y, Yin L, Pu Y, Li X. Galactosylated poly(ethylene glycol) methacrylate-st-3-guanidinopropyl methacrylamide copolymers as siRNA carriers for inhibiting Survivin expressionin vitroandin vivo. J Drug Target 2014; 22:352-64. [DOI: 10.3109/1061186x.2013.877466] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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25
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Schirwitz C, Loeffler FF, Felgenhauer T, Stadler V, Nesterov-Mueller A, Dahint R, Breitling F, Bischoff FR. Purification of high-complexity peptide microarrays by spatially resolved array transfer to gold-coated membranes. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:1598-1602. [PMID: 23315653 DOI: 10.1002/adma.201203853] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Revised: 11/22/2012] [Indexed: 06/01/2023]
Abstract
A method for the one-step purification of high-complexity peptide microarrays is presented. The entire peptide library is transferred from the synthesis support to a gold coated polyvinylidenfluoride (PVDF) membrane, whereby only full-length peptides covalently couple to the receptor membrane via an N-terminally added cysteine. Highly resolved peptide transfer and purification of up to 10 000 features per cm(2) is demonstrated.
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Affiliation(s)
- Christopher Schirwitz
- German Cancer Research Center (DKFZ), Functional Genome Analysis, Chip-based Peptide Libraries, Heidelberg, Germany.
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26
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27
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Sensing Immune Responses with Customized Peptide Microarrays. Biointerphases 2012; 7:47. [DOI: 10.1007/s13758-012-0047-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Accepted: 07/13/2012] [Indexed: 11/25/2022] Open
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28
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Coad BR, Lu Y, Meagher L. A substrate-independent method for surface grafting polymer layers by atom transfer radical polymerization: reduction of protein adsorption. Acta Biomater 2012; 8:608-18. [PMID: 22023749 DOI: 10.1016/j.actbio.2011.10.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 08/31/2011] [Accepted: 10/05/2011] [Indexed: 11/25/2022]
Abstract
A general method for producing low-fouling biomaterials on any surface by surface-initiated grafting of polymer brushes is presented. Our procedure uses radiofrequency glow discharge thin film deposition followed by macro-initiator coupling and then surface-initiated atom transfer radical polymerization (SI-ATRP) to prepare neutral polymer brushes on planar substrates. Coatings were produced on substrates with variable interfacial composition and mechanical properties such as hard inorganic/metal substrates (silicon and gold) or flexible (perfluorinated poly(ethylene-co-propylene) film) and rigid (microtitre plates) polymeric materials. First, surfaces were functionalized via deposition of an allylamine plasma polymer thin film followed by covalent coupling of a macro-initiator composed partly of ATRP initiator groups. Successful grafting of a hydrophilic polymer layer was achieved by SI-ATRP of N,N'-dimethylacrylamide in aqueous media at room temperature. We exemplified how this method could be used to create surface coatings with significantly reduced protein adsorption on different material substrates. Protein binding experiments using labelled human serum albumin on grafted materials resulted in quantitative evidence for low-fouling compared to control surfaces.
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29
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Kuo WH, Wang MJ, Chang CW, Wei TC, Lai JY, Tsai WB, Lee C. Improvement of hemocompatibility on materials by photoimmobilization of poly(ethylene glycol). ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm15435h] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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31
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Surface Characterization of Binary Graft Copolymers (PP-g-DMAEMA)-g-NIPAAm and (PP-g-4VP)-g-NIPAAm by Using SEM and AFM. ACTA ACUST UNITED AC 2010. [DOI: 10.1021/bk-2010-1050.ch008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Tria MCR, Grande CDT, Ponnapati RR, Advincula RC. Electrochemical Deposition and Surface-Initiated RAFT Polymerization: Protein and Cell-Resistant PPEGMEMA Polymer Brushes. Biomacromolecules 2010; 11:3422-31. [DOI: 10.1021/bm1009365] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Maria Celeste R. Tria
- Departments of Chemistry and Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-5003, United States
| | - Carlos David T. Grande
- Departments of Chemistry and Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-5003, United States
| | - Ramakrishna R. Ponnapati
- Departments of Chemistry and Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-5003, United States
| | - Rigoberto C. Advincula
- Departments of Chemistry and Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204-5003, United States
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33
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Luzon M, Boyer C, Peinado C, Corrales T, Whittaker M, Tao L, Davis TP. Water-soluble, thermoresponsive, hyperbranched copolymers based on PEG-methacrylates: Synthesis, characterization, and LCST behavior. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24027] [Citation(s) in RCA: 137] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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34
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Turri S, Levi M, Emilitri E, Suriano R, Bongiovanni R. Direct Photopolymerisation of PEG-Methacrylate Oligomers for an Easy Prototyping of Microfluidic Structures. MACROMOL CHEM PHYS 2010. [DOI: 10.1002/macp.200900489] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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35
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Nesterov A, Dörsam E, Cheng YC, Schirwitz C, Märkle F, Löffler F, König K, Stadler V, Bischoff R, Breitling F. Peptide arrays with a chip. Methods Mol Biol 2010; 669:109-24. [PMID: 20857361 DOI: 10.1007/978-1-60761-845-4_9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Today, lithographic methods enable combinatorial synthesis of >50,000 oligonucleotides per cm(2), an advance that has revolutionized the whole field of genomics. A similar development is expected for the field of proteomics, provided that affordable, very high-density peptide arrays are available. However, peptide arrays lag behind oligonucleotide arrays. This is mainly due to the monomer-by-monomer repeated consecutive coupling of 20 different amino acids associated with lithography, which adds up to an excessive number of coupling cycles. A combinatorial synthesis based on electrically charged solid amino acid particles resolves this problem. A computer chip consecutively addresses the different charged particles to a solid support, where, when completed, the whole layer of solid amino acid particles is melted at once. This frees hitherto immobilized amino acids to couple all 20 different amino acids in one single coupling reaction to the support. The method should allow for the translation of entire genomes into a set of overlapping peptides to be used in proteome research.
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Affiliation(s)
- Alexander Nesterov
- Institute for Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
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36
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37
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Burton EA, Simon KA, Hou S, Ren D, Luk YY. Molecular gradients of bioinertness reveal a mechanistic difference between mammalian cell adhesion and bacterial biofilm formation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2009; 25:1547-1553. [PMID: 19133791 DOI: 10.1021/la803261b] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Chemical gradients play an important role in guiding the activities of both eukaryotic and prokaryotic cells. Here, we used molecularly well-defined chemical gradients formed by self-assembled monolayers (SAMs) on gold films to reveal that mammalian cell adhesion and bacterial biofilm formation respond differently to a gradient of surface chemistry that resists cell attachment. Gradient self-assembled monolayers (SAMs) consisting of two mixed alkanethiols were fabricated by differential exposure of the gold film to one alkanethiol, followed by soaking in another alkanethiol solution. A gradient in bioinertness that resisted cell attachment was created on SAMs from a gradient in the surface density of HS(CH2)11(OCH2CH2)3OH, backfilled with either HS(CH2)11OH or HS(CH2)11CH3. Measurements of the amounts of mammalian cells and bacterial biofilms on these gradient surfaces reveal that, for mammalian cells, a critical density of adhesion ligands from absorbed proteins on surfaces exists for supporting maximum adhesion and proliferation, whereas for the bacterium Escherichia coli , the amount of biofilm formed on surfaces increased linearly with the surface density of adhesive groups (methyl or hydroxyl groups) in different media. These results are consistent with mammalian cell adhesion requiring an anchorage via specific molecular recognitions and suggest that biofilms can form by immobilization of bacteria via nonspecific interaction between bacteria and surfaces.
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Affiliation(s)
- Erik A Burton
- Department of Chemistry, Syracuse University, Syracuse, New York 13244, USA
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