1
|
Sytu MRC, Cho DH, Hahm JI. Self-Assembled Block Copolymers as a Facile Pathway to Create Functional Nanobiosensor and Nanobiomaterial Surfaces. Polymers (Basel) 2024; 16:1267. [PMID: 38732737 PMCID: PMC11085100 DOI: 10.3390/polym16091267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Block copolymer (BCP) surfaces permit an exquisite level of nanoscale control in biomolecular assemblies solely based on self-assembly. Owing to this, BCP-based biomolecular assembly represents a much-needed, new paradigm for creating nanobiosensors and nanobiomaterials without the need for costly and time-consuming fabrication steps. Research endeavors in the BCP nanobiotechnology field have led to stimulating results that can promote our current understanding of biomolecular interactions at a solid interface to the never-explored size regimes comparable to individual biomolecules. Encouraging research outcomes have also been reported for the stability and activity of biomolecules bound on BCP thin film surfaces. A wide range of single and multicomponent biomolecules and BCP systems has been assessed to substantiate the potential utility in practical applications as next-generation nanobiosensors, nanobiodevices, and biomaterials. To this end, this Review highlights pioneering research efforts made in the BCP nanobiotechnology area. The discussions will be focused on those works particularly pertaining to nanoscale surface assembly of functional biomolecules, biomolecular interaction properties unique to nanoscale polymer interfaces, functionality of nanoscale surface-bound biomolecules, and specific examples in biosensing. Systems involving the incorporation of biomolecules as one of the blocks in BCPs, i.e., DNA-BCP hybrids, protein-BCP conjugates, and isolated BCP micelles of bioligand carriers used in drug delivery, are outside of the scope of this Review. Looking ahead, there awaits plenty of exciting research opportunities to advance the research field of BCP nanobiotechnology by capitalizing on the fundamental groundwork laid so far for the biomolecular interactions on BCP surfaces. In order to better guide the path forward, key fundamental questions yet to be addressed by the field are identified. In addition, future research directions of BCP nanobiotechnology are contemplated in the concluding section of this Review.
Collapse
Affiliation(s)
- Marion Ryan C. Sytu
- Department of Chemistry, Georgetown University, 37th & O Sts. NW., Washington, DC 20057, USA
| | - David H. Cho
- National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, 9000 Rockville Pike, Bethesda, MD 20892, USA;
| | - Jong-in Hahm
- Department of Chemistry, Georgetown University, 37th & O Sts. NW., Washington, DC 20057, USA
| |
Collapse
|
2
|
Schulte A, de Los Santos Pereira A, Pola R, Pop-Georgievski O, Jiang S, Romanenko I, Singh M, Sedláková Z, Schönherr H, Poręba R. On-Demand Cell Sheet Release with Low Density Peptide-Functionalized Non-LCST Polymer Brushes. Macromol Biosci 2023; 23:e2200472. [PMID: 36598869 DOI: 10.1002/mabi.202200472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/16/2022] [Indexed: 01/05/2023]
Abstract
Cell sheet harvesting offers a great potential for the development of new therapies for regenerative medicine. For cells to adhere onto surfaces, proliferate, and to be released on demand, thermoresponsive polymeric coatings are generally considered to be required. Herein, an alternative approach for the cell sheet harvesting and rapid release on demand is reported, circumventing the use of thermoresponsive materials. This approach is based on the end-group biofunctionalization of non-thermoresponsive and antifouling poly(2-hydroxyethyl methacrylate) (p(HEMA)) brushes with cell-adhesive peptide motifs. While the nonfunctionalized p(HEMA) surfaces are cell-repellant, ligation of cell-signaling ligand enables extensive attachment and proliferation of NIH 3T3 fibroblasts until the formation of a confluent cell layer. Remarkably, the formed cell sheets can be released from the surfaces by gentle rinsing with cell-culture medium. The release of the cells is found to be facilitated by low surface density of cell-adhesive peptides, as confirmed by X-ray photoelectron spectroscopy. Additionally, the developed system affords possibility for repeated cell seeding, proliferation, and release on previously used substrates without any additional pretreatment steps. This new approach represents an alternative to thermally triggered cell-sheet harvesting platforms, offering possibility of capture and proliferation of various rare cell lines via appropriate selection of the cell-adhesive ligand.
Collapse
Affiliation(s)
- Anna Schulte
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ), Department of Chemistry and Biology University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
| | - Andres de Los Santos Pereira
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Robert Pola
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Ognen Pop-Georgievski
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Siyu Jiang
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ), Department of Chemistry and Biology University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
| | - Iryna Romanenko
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Manisha Singh
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Zdeňka Sedláková
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ), Department of Chemistry and Biology University of Siegen, Adolf-Reichwein-Str. 2, 57076, Siegen, Germany
| | - Rafał Poręba
- Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Heyrovsky sq. 2, Prague, 162 06, Czech Republic
| |
Collapse
|
3
|
Cui X, Zhang H, Liu Y, Jiang N, Lee YI, Liu HG. Temperature and molecular structure-dependent self-assembly of PS-b-PEO at the liquid/liquid interface. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
|
4
|
Szuwarzyński M, Wolski K, Kruk T, Zapotoczny S. Macromolecular strategies for transporting electrons and excitation energy in ordered polymer layers. Prog Polym Sci 2021. [DOI: 10.1016/j.progpolymsci.2021.101433] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
5
|
|
6
|
Choi H, Schulte A, Müller M, Park M, Jo S, Schönherr H. Drug Release from Thermo-Responsive Polymer Brush Coatings to Control Bacterial Colonization and Biofilm Growth on Titanium Implants. Adv Healthc Mater 2021; 10:e2100069. [PMID: 33951320 DOI: 10.1002/adhm.202100069] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/05/2021] [Indexed: 02/05/2023]
Abstract
Despite decades of biomedical advances, the colonization of implant devices with bacterial biofilms is still a leading cause of implant failure. Clearly, new strategies and materials that suppress both initial and later stage bacterial colonization are required in this context. Ideal would be the implementation of a bactericidal functionality in the implants that is temporally and spatially triggered in an autonomous fashion at the infection site. Herein, the fabrication and validation of functional titanium-based implants with triggered antibiotic release function afforded via an intelligent polymer coating is reported. In particular, thermo-responsive poly(di(ethylene glycol) methyl ether methacrylate) (PDEGMA) brushes on titanium implants synthesized via a surface-initiated atom transfer radical polymerization with activators regenerated through the electron transfer technique (ARGET ATRP) allows for a controlled and thermally triggered release of the antibiotic levofloxacin at the wound site. Antibiotic loaded brushes are investigated as a function of thickness, loading capacity for antibiotics, and temperature. At temperatures of the infection site >37 °C the lower critical solution temperature behavior of the brushes afforded the triggered release. Hence, in addition to the known antifouling effects, the PDEGMA coating ensured enhanced bactericidal effects, as demonstrated in initial in vivo tests with rodents infected with Staphylococcus aureus.
Collapse
Affiliation(s)
- Hongsuh Choi
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ) Department of Chemistry and Biology School of Science and Technology University of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Anna Schulte
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ) Department of Chemistry and Biology School of Science and Technology University of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Mareike Müller
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ) Department of Chemistry and Biology School of Science and Technology University of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| | - Mineon Park
- Seoul National University Hospital Biomedical Research Institute Seoul 03080 Republic of Korea
| | - Suenghwan Jo
- Department of Orthopaedic Surgery School of Medicine Chosun University 365 Pilmundaero Gwangju 61453 Republic of Korea
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ) Department of Chemistry and Biology School of Science and Technology University of Siegen Adolf‐Reichwein‐Str. 2 Siegen 57076 Germany
| |
Collapse
|
7
|
Trachsel L, Ramakrishna SN, Romio M, Spencer ND, Benetti EM. Topology and Molecular Architecture of Polyelectrolytes Determine Their pH-Responsiveness When Assembled on Surfaces. ACS Macro Lett 2021; 10:90-97. [PMID: 35548981 DOI: 10.1021/acsmacrolett.0c00750] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Polymer composition and topology of surface-grafted polyacids determine the amplitude of their pH-induced swelling transition. The intrinsic steric constraints characterizing cyclic poly(2-carboxypropyl-2-oxazoline) (c-PCPOXA) and poly(2-carboxyethyl-2-oxazoline) (c-PCEOXA) forming brushes on Au surfaces induce an enhancement in repulsive interactions between charged polymer segments upon deprotonation, leading to an amplified expansion and a significant increment in swelling with respect to their linear analogues of similar molar mass. On the other hand, it is the composition of polyacid grafts that governs their hydration in both undissociated and ionized forms, determining the degree of swelling during their pH-induced transition.
Collapse
Affiliation(s)
- Lucca Trachsel
- Tissue Engineering + Biofabrication Laboratory, Department of Health Sciences and Technology, ETH Zürich, 8093 Zürich, Switzerland
| | - Shivaprakash N. Ramakrishna
- Laboratory for Soft Materials and Interfaces, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Matteo Romio
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
- Biointerfaces, Swiss Federal Laboratories for Materials Science and Technology (EMPA), Lerchenfeldstrasse 5, CH-9014, St. Gallen, Switzerland
| | - Nicholas D. Spencer
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
| | - Edmondo M. Benetti
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
- Biointerfaces, Swiss Federal Laboratories for Materials Science and Technology (EMPA), Lerchenfeldstrasse 5, CH-9014, St. Gallen, Switzerland
| |
Collapse
|
8
|
Xie Z, Gan T, Fang L, Zhou X. Recent progress in creating complex and multiplexed surface-grafted macromolecular architectures. SOFT MATTER 2020; 16:8736-8759. [PMID: 32969442 DOI: 10.1039/d0sm01043j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surface-grafted macromolecules, including polymers, DNA, peptides, etc., are versatile modifications to tailor the interfacial functions in a wide range of fields. In this review, we aim to provide an overview of the most recent progress in engineering surface-grafted chains for the creation of complex and multiplexed surface architectures over micro- to macro-scopic areas. A brief introduction to surface grafting is given first. Then the fabrication of complex surface architectures is summarized with a focus on controlled chain conformations, grafting densities and three-dimensional structures. Furthermore, recent advances are highlighted for the generation of multiplexed arrays with designed chemical composition in both horizontal and vertical dimensions. The applications of such complicated macromolecular architectures are then briefly discussed. Finally, some perspective outlooks for future studies and challenges are suggested. We hope that this review will be helpful to those just entering this field and those in the field requiring quick access to useful reference information about the progress in the properties, processing, performance, and applications of functional surface-grafted architectures.
Collapse
Affiliation(s)
- Zhuang Xie
- School of Materials Science and Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Xingangxi Road No. 135, Guangzhou, Guangdong Province 510275, P. R. China.
| | - Tiansheng Gan
- College of Chemistry and Environmental Engineering, Shenzhen University, Nanhai Avenue 3688, Shenzhen, Guangdong Province 518055, P. R. China.
| | - Lvye Fang
- School of Materials Science and Engineering, and Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, Sun Yat-sen University, Xingangxi Road No. 135, Guangzhou, Guangdong Province 510275, P. R. China.
| | - Xuechang Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Nanhai Avenue 3688, Shenzhen, Guangdong Province 518055, P. R. China.
| |
Collapse
|
9
|
Schulte A, Alhusaini QFM, Schönherr H. Anodic Aluminum Oxide Nanopore Template-Assisted Fabrication of Nanostructured Poly(vinyl alcohol) Hydrogels for Cell Studies. ACS APPLIED BIO MATERIALS 2020; 3:2419-2427. [PMID: 35025291 DOI: 10.1021/acsabm.0c00153] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The effect of systematically varied mechanical properties and nano- and microscale surface topography on the adhesion and proliferation of human pancreatic cancer cells on fibronectin-functionalized poly(vinyl alcohol) (PVA) hydrogels was studied to understand the impact of these properties of the cell microenvironment on cell attachment and spreading. The mechanical properties of PVA, as assessed by atomic force microscopy (AFM) nanoindentation, were varied by the number of freezing-thawing cycles in the physical cross-linking process used for the generation of the hydrogels. Nano- and micropatterned hydrogel surfaces exposing nanosized PVA pillars and cuboids were fabricated by replicating ordered cylindrical nanopores of anodic aluminum oxide (AAO) and poly(dimethylsiloxane) (PDMS) templates, respectively. Softer PVA hydrogels, functionalized covalently with fibronectin, showed enhanced cell adhesion and proliferation of PaTu 8988t cells in comparison to stiffer hydrogels. In addition, PaTu 8988t cells favored the nanopatterned surfaces over micropatterned and flat hydrogels.
Collapse
Affiliation(s)
- Anna Schulte
- Physical Chemistry I & Research Center of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, 57076 Siegen, Germany
| | - Qasim F M Alhusaini
- Physical Chemistry I & Research Center of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, 57076 Siegen, Germany
| | - Holger Schönherr
- Physical Chemistry I & Research Center of Micro and Nanochemistry and Engineering (Cμ), Department of Chemistry and Biology, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, 57076 Siegen, Germany
| |
Collapse
|
10
|
Poręba R, los Santos Pereira A, Pola R, Jiang S, Pop‐Georgievski O, Sedláková Z, Schönherr H. “Clickable” and Antifouling Block Copolymer Brushes as a Versatile Platform for Peptide‐Specific Cell Attachment. Macromol Biosci 2020; 20:e1900354. [DOI: 10.1002/mabi.201900354] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/16/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Rafał Poręba
- Institute of Macromolecular ChemistryCzech Academy of Sciences Heyrovsky sq. 2 Prague 162 06 Czech Republic
| | - Andres los Santos Pereira
- Institute of Macromolecular ChemistryCzech Academy of Sciences Heyrovsky sq. 2 Prague 162 06 Czech Republic
| | - Robert Pola
- Institute of Macromolecular ChemistryCzech Academy of Sciences Heyrovsky sq. 2 Prague 162 06 Czech Republic
| | - Siyu Jiang
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and Biology, University of Siegen Adolf‐Reichwein‐Str. 2 57076 Siegen Germany
| | - Ognen Pop‐Georgievski
- Institute of Macromolecular ChemistryCzech Academy of Sciences Heyrovsky sq. 2 Prague 162 06 Czech Republic
| | - Zdeňka Sedláková
- Institute of Macromolecular ChemistryCzech Academy of Sciences Heyrovsky sq. 2 Prague 162 06 Czech Republic
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cµ)Department of Chemistry and Biology, University of Siegen Adolf‐Reichwein‐Str. 2 57076 Siegen Germany
| |
Collapse
|
11
|
Mocny P, Klok HA. Complex polymer topologies and polymer—nanoparticle hybrid films prepared via surface-initiated controlled radical polymerization. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2019.101185] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
12
|
Yan W, Ramakrishna SN, Romio M, Benetti EM. Bioinert and Lubricious Surfaces by Macromolecular Design. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:13521-13535. [PMID: 31532689 DOI: 10.1021/acs.langmuir.9b02316] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The modification of a variety of biomaterials and medical devices often encompasses the generation of biopassive and lubricious layers on their exposed surfaces. This is valid when the synthetic supports are required to integrate within physiological media without altering their interfacial composition and when the minimization of shear stress prevents or reduces damage to the surrounding environment. In many of these cases, hydrophilic polymer brushes assembled from surface-interacting polymer adsorbates or directly grown by surface-initiated polymerizations (SIP) are chosen. Although growing efforts by polymer chemists have been focusing on varying the composition of polymer brushes in order to attain increasingly bioinert and lubricious surfaces, the precise modulation of polymer architecture has simultaneously enabled us to substantially broaden the tuning potential for the above-mentioned properties. This feature article concentrates on reviewing this latter strategy, comparatively analyzing how polymer brush parameters such as molecular weight and grafting density, the application of block copolymers, the introduction of branching and cross-links, or the variation of polymer topology beyond the simple, linear chains determine highly technologically relevant properties, such as biopassivity and lubrication.
Collapse
Affiliation(s)
- Wenqing Yan
- Polymer Surfaces Group, Laboratory for Surface Science and Technology, Department of Materials , Swiss Federal Institute of Technology (ETH Zürich) , Vladimir-Prelog-Weg 1-5/10 , CH-8093 Zurich , Switzerland
| | - Shivaprakash N Ramakrishna
- Polymer Surfaces Group, Laboratory for Surface Science and Technology, Department of Materials , Swiss Federal Institute of Technology (ETH Zürich) , Vladimir-Prelog-Weg 1-5/10 , CH-8093 Zurich , Switzerland
| | - Matteo Romio
- Polymer Surfaces Group, Laboratory for Surface Science and Technology, Department of Materials , Swiss Federal Institute of Technology (ETH Zürich) , Vladimir-Prelog-Weg 1-5/10 , CH-8093 Zurich , Switzerland
- Biointerfaces, Swiss Federal Laboratories for Materials Science and Technology (Empa) , Lerchenfeldstrasse 5 , CH-9014 St. Gallen , Switzerland
| | - Edmondo M Benetti
- Polymer Surfaces Group, Laboratory for Surface Science and Technology, Department of Materials , Swiss Federal Institute of Technology (ETH Zürich) , Vladimir-Prelog-Weg 1-5/10 , CH-8093 Zurich , Switzerland
- Biointerfaces, Swiss Federal Laboratories for Materials Science and Technology (Empa) , Lerchenfeldstrasse 5 , CH-9014 St. Gallen , Switzerland
| |
Collapse
|
13
|
Yan W, Fantin M, Spencer ND, Matyjaszewski K, Benetti EM. Translating Surface-Initiated Atom Transfer Radical Polymerization into Technology: The Mechanism of Cu 0-Mediated SI-ATRP under Environmental Conditions. ACS Macro Lett 2019; 8:865-870. [PMID: 35619512 DOI: 10.1021/acsmacrolett.9b00388] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The exceptional features of Cu0-mediated surface-initiated atom transfer radical polymerization (Cu0 SI-ATRP), and its potential for implementation in technologically relevant surface functionalizations are demonstrated thanks to a comprehensive understanding of its mechanism. Cu0 SI-ATRP enables the synthesis of multifunctional polymer brushes with a remarkable degree of control, over extremely large areas and without the need for inert atmosphere or deoxygenation of monomer solutions. When a polymerization mixture is placed between a flat copper plate and an ATRP-initiator-functionalized substrate, the vertical distance between these two overlaying surfaces determines the tolerance of the grafting process toward the oxygen, while the composition of the polymerization solution emerges as the critical parameter regulating polymer-grafting kinetics. At very small distances between the copper plate and the initiating surfaces, the oxygen dissolved in the solution is rapidly consumed via oxidation of the metallic substrate. In the presence of ligand, copper species diffuse to the surface-immobilized initiators and trigger a rapid growth of polymer brushes. Concurrently, the presence and concentration of added CuII regulates the generation of CuI-based activators through comproportionation with Cu0. Hence, under oxygen-tolerant conditions, the extent of comproportionation, together with the solvent-dependent rate constant of activation (kact) of ATRP are the main determinants of the growth rate of polymer brushes.
Collapse
Affiliation(s)
- Wenqing Yan
- Laboratory of Surface Science and Technology, Department of Materials, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| | - Marco Fantin
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Nicholas D. Spencer
- Laboratory of Surface Science and Technology, Department of Materials, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| | - Krzysztof Matyjaszewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Edmondo M. Benetti
- Laboratory of Surface Science and Technology, Department of Materials, Swiss Federal Institute of Technology (ETH Zürich), Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
- Swiss Federal Laboratories for Materials Science and Technology (EMPA), Lerchenfeldstrasse 5, CH-9014, St. Gallen, Switzerland
| |
Collapse
|
14
|
Benetti EM, Spencer ND. Using Polymers to Impart Lubricity and Biopassivity to Surfaces: Are These Properties Linked? Helv Chim Acta 2019. [DOI: 10.1002/hlca.201900071] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Edmondo M. Benetti
- Laboratory for Surface Science and Technology, Department of MaterialsETH Zurich Vladimir-Prelog-Weg 5 CH-8093 Zurich Switzerland
| | - Nicholas D. Spencer
- Laboratory for Surface Science and Technology, Department of MaterialsETH Zurich Vladimir-Prelog-Weg 5 CH-8093 Zurich Switzerland
| |
Collapse
|
15
|
Song Q, Steuber M, Druzhinin SI, Schönherr H. Tailored Combinatorial Microcompartments through the Self‐Organization of Microobjects: Assembly, Characterization, and Cell Studies. Angew Chem Int Ed Engl 2019; 58:5246-5250. [DOI: 10.1002/anie.201814076] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 02/09/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Qimeng Song
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Marc Steuber
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Sergey I. Druzhinin
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| |
Collapse
|
16
|
Steuber M, Schönherr H. Guided assembly, nanostructuring and functionalization with brushes of microscale polymer cubes for tailored 3-D cell microenvironments. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.01.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
17
|
Song Q, Steuber M, Druzhinin SI, Schönherr H. Tailored Combinatorial Microcompartments through the Self‐Organization of Microobjects: Assembly, Characterization, and Cell Studies. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814076] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qimeng Song
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Marc Steuber
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Sergey I. Druzhinin
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nano-chemistry and Engineering (Cμ)University of Siegen Adolf-Reichwein-Straße 2 57076 Siegen Germany
| |
Collapse
|
18
|
Gruszkiewicz A, Słowikowska M, Grześ G, Wójcik A, Rokita J, Fiocco A, Wytrwal-Sarna M, Marzec M, Trzebicka B, Kopeć M, Wolski K, Zapotoczny S. Enhancement of the growth of polymer brushes via ATRP initiated from ions-releasing indium tin oxide substrates. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.11.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|
19
|
Song Q, Druzhinin SI, Schönherr H. Asymmetric multifunctional 3D cell microenvironments by capillary force assembly. J Mater Chem B 2019. [DOI: 10.1039/c9tb00653b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The fabrication and characterization of advanced 3D cell culture microenvironments that enable systematic structure–property relationship studies are reported.
Collapse
Affiliation(s)
- Qimeng Song
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cμ)
- Department of Chemistry and Biology
- University of Siegen
- Siegen
- Germany
| | - Sergey I. Druzhinin
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cμ)
- Department of Chemistry and Biology
- University of Siegen
- Siegen
- Germany
| | - Holger Schönherr
- Physical Chemistry I and Research Center of Micro and Nanochemistry and Engineering (Cμ)
- Department of Chemistry and Biology
- University of Siegen
- Siegen
- Germany
| |
Collapse
|
20
|
Divandari M, Morgese G, Ramakrishna SN, Benetti EM. Surface-grafted assemblies of cyclic polymers: Shifting between high friction and extreme lubricity. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.11.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
21
|
Benetti EM. Quasi-3D-Structured Interfaces by Polymer Brushes. Macromol Rapid Commun 2018; 39:e1800189. [DOI: 10.1002/marc.201800189] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 04/10/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Edmondo M. Benetti
- Polymer Surfaces Group; Laboratory for Surface Science and Technology; Department of Materials; ETH Zürich; Vladimir-Prelog-Weg 5/10 8093 Zürich Switzerland
| |
Collapse
|
22
|
Inoue Y, Onodera Y, Ishihara K. Initial Cell Adhesion onto a Phospholipid Polymer Brush Surface Modified with a Terminal Cell Adhesion Peptide. ACS APPLIED MATERIALS & INTERFACES 2018; 10:15250-15257. [PMID: 29652126 DOI: 10.1021/acsami.8b01906] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Dynamic changes in the properties of adsorbed protein layers at material surfaces make it difficult to analyze a cell adhesion behavior. Adhesion is affected by the ligand molecules in the adsorbed protein layers on the material's surface. This study aimed to quantitatively analyze the initial cell adhesion onto a polymeric surface modified with immobilized cell adhesion molecules with a well-defined structure. Peptides containing an arginine-glycine-aspartic acid (RGD) sequence were introduced at almost all the termini of the grafted poly(2-methacryloyloxyethyl phosphorylcholine) [poly(MPC)] chains using a click reaction at a highly protein-resistant poly(MPC) brush layer. Thus, the surface could bind to the cell membrane proteins only through the immobilized RGD. Furthermore, the degree of polymerization of the grafted poly(MPC) chains could control the hydrated poly(MPC) brush layer softness, as determined by measuring the dissipation energy loss using a quartz crystal microbalance. At the initial stage of cell adhesion, the density of cells adhering to the RGD-immobilized poly(MPC) brush layers did not depend on the poly(MPC) brush layer softness. However, spreading of the adherent cells was inhibited on the RGD-immobilized poly(MPC) brush layers with a higher softness. Hence, the results suggested that the layer softness did not affect the binding number between the RGD and cell membrane protein during initial cell adhesion; however, the intracellular signaling triggered by the RGD-receptor interaction was inhibited. The poly(MPC) brush surface carrying immobilized cell adhesion molecules has the potential to analyze precisely the effect of the properties of cell adhesion molecules on initial cell adhesion.
Collapse
|
23
|
Dehghani ES, Ramakrishna SN, Spencer ND, Benetti EM. Engineering Lubricious, Biopassive Polymer Brushes by Surface-Initiated, Controlled Radical Polymerization. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00494] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ella S. Dehghani
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| | - Shivaprakash N. Ramakrishna
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| | - Nicholas D. Spencer
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| | - Edmondo M. Benetti
- Laboratory for Surface Science and Technology, Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093 Zurich, Switzerland
| |
Collapse
|
24
|
Colak B, Di Cio S, Gautrot JE. Biofunctionalized Patterned Polymer Brushes via Thiol–Ene Coupling for the Control of Cell Adhesion and the Formation of Cell Arrays. Biomacromolecules 2018; 19:1445-1455. [DOI: 10.1021/acs.biomac.7b01436] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
25
|
Yan W, Divandari M, Rosenboom JG, Ramakrishna SN, Trachsel L, Spencer ND, Morgese G, Benetti EM. Design and characterization of ultrastable, biopassive and lubricious cyclic poly(2-alkyl-2-oxazoline) brushes. Polym Chem 2018. [DOI: 10.1039/c7py02137b] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Bilayer films featuring cyclic, poly(2-alkyl-2-oxazoline) brush interfaces display excellent biopassivity, lubrication and long-term stability in chemically harsh aqueous environments.
Collapse
Affiliation(s)
- Wenqing Yan
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Mohammad Divandari
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Jan-Georg Rosenboom
- Institute for Chemical and Bioengineering
- Department of Chemistry and Applied Biosciences
- ETH Zürich
- 8093 Zürich
- Switzerland
| | | | - Lucca Trachsel
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Nicholas D. Spencer
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Giulia Morgese
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Edmondo M. Benetti
- Laboratory for Surface Science and Technology
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| |
Collapse
|
26
|
Zhao X, Xu L, Sun M, Ma W, Wu X, Xu C, Kuang H. Tuning the interactions between chiral plasmonic films and living cells. Nat Commun 2017; 8:2007. [PMID: 29222410 PMCID: PMC5722823 DOI: 10.1038/s41467-017-02268-8] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 11/16/2017] [Indexed: 12/17/2022] Open
Abstract
Designing chiral materials to manipulate the biological activities of cells has been an important area not only in chemistry and material science, but also in cell biology and biomedicine. Here, we introduce monolayer plasmonic chiral Au nanoparticle (NP) films modified with L- or D-penicillamine (Pen) to be developed for cell growth, differentiation, and retrieval. The monolayer films display high chiroptical activity, with circular dichroism values of 3.5 mdeg at 550 nm and 26.8 mdeg at 775 nm. The L-Pen-NP films accelerate cell proliferation, whereas the D -Pen-NP films have the opposite effect. Remote irradiation with light is chosen to noninvasively collect the cells. The results demonstrate that left circularly polarized light improves the efficiency of cell detachment up to 91.2% for L-Pen-NP films. These findings will facilitate the development of cell culture in biomedical application and help to understand natural homochirality.
Collapse
Affiliation(s)
- Xueli Zhao
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Liguang Xu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Maozhong Sun
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Wei Ma
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Xiaoling Wu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Chuanlai Xu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Hua Kuang
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China.
- International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China.
| |
Collapse
|
27
|
Lilge I, Jiang S, Schönherr H. Long-Term Stable Poly(acrylamide) Brush Modified Transparent Microwells for Cell Attachment Studies in 3D. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201600451] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2016] [Revised: 11/23/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Inga Lilge
- Physical Chemistry I; Department of Chemistry and Biology and Research Center of Micro and Nanochemistry and Engineering (Cμ); University of Siegen; Adolf-Reichwein-Str. 2 57076 Siegen Germany
| | - Siyu Jiang
- Physical Chemistry I; Department of Chemistry and Biology and Research Center of Micro and Nanochemistry and Engineering (Cμ); University of Siegen; Adolf-Reichwein-Str. 2 57076 Siegen Germany
| | - Holger Schönherr
- Physical Chemistry I; Department of Chemistry and Biology and Research Center of Micro and Nanochemistry and Engineering (Cμ); University of Siegen; Adolf-Reichwein-Str. 2 57076 Siegen Germany
| |
Collapse
|
28
|
Wolski K, Gruszkiewicz A, Wytrwal-Sarna M, Bernasik A, Zapotoczny S. The grafting density and thickness of polythiophene-based brushes determine the orientation, conjugation length and stability of the grafted chains. Polym Chem 2017. [DOI: 10.1039/c7py01418j] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A self-templating surface-initiated method combining ATRP and oxidative polymerization leads to the formation of ladder-like polythiophene-based brushes with a 90–100 mer conjugation length.
Collapse
Affiliation(s)
- K. Wolski
- Jagiellonian University
- Faculty of Chemistry
- 30-387 Krakow
- Poland
| | - A. Gruszkiewicz
- Jagiellonian University
- Faculty of Chemistry
- 30-387 Krakow
- Poland
| | - M. Wytrwal-Sarna
- AGH University of Science and Technology
- Academic Centre for Materials and Nanotechnology
- Krakow
- Poland
| | - A. Bernasik
- AGH University of Science and Technology
- Academic Centre for Materials and Nanotechnology
- Krakow
- Poland
- AGH University of Science and Technology
| | - S. Zapotoczny
- Jagiellonian University
- Faculty of Chemistry
- 30-387 Krakow
- Poland
| |
Collapse
|