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Fang Y, Yang X, Lin Y, Shi J, Prominski A, Clayton C, Ostroff E, Tian B. Dissecting Biological and Synthetic Soft-Hard Interfaces for Tissue-Like Systems. Chem Rev 2021; 122:5233-5276. [PMID: 34677943 DOI: 10.1021/acs.chemrev.1c00365] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Soft and hard materials at interfaces exhibit mismatched behaviors, such as mismatched chemical or biochemical reactivity, mechanical response, and environmental adaptability. Leveraging or mitigating these differences can yield interfacial processes difficult to achieve, or inapplicable, in pure soft or pure hard phases. Exploration of interfacial mismatches and their associated (bio)chemical, mechanical, or other physical processes may yield numerous opportunities in both fundamental studies and applications, in a manner similar to that of semiconductor heterojunctions and their contribution to solid-state physics and the semiconductor industry over the past few decades. In this review, we explore the fundamental chemical roles and principles involved in designing these interfaces, such as the (bio)chemical evolution of adaptive or buffer zones. We discuss the spectroscopic, microscopic, (bio)chemical, and computational tools required to uncover the chemical processes in these confined or hidden soft-hard interfaces. We propose a soft-hard interaction framework and use it to discuss soft-hard interfacial processes in multiple systems and across several spatiotemporal scales, focusing on tissue-like materials and devices. We end this review by proposing several new scientific and engineering approaches to leveraging the soft-hard interfacial processes involved in biointerfacing composites and exploring new applications for these composites.
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Affiliation(s)
- Yin Fang
- The James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
| | - Xiao Yang
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Yiliang Lin
- The James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States.,Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States.,The Institute for Biophysical Dynamics, University of Chicago, Chicago, Illinois 60637, United States
| | - Jiuyun Shi
- The James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States.,Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States.,The Institute for Biophysical Dynamics, University of Chicago, Chicago, Illinois 60637, United States
| | - Aleksander Prominski
- The James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States.,Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States.,The Institute for Biophysical Dynamics, University of Chicago, Chicago, Illinois 60637, United States
| | - Clementene Clayton
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Ellie Ostroff
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Bozhi Tian
- The James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States.,Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States.,The Institute for Biophysical Dynamics, University of Chicago, Chicago, Illinois 60637, United States
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Dutta G, Fernandes FC, Estrela P, Moschou D, Bueno PR. Impact of surface roughness on the self-assembling of molecular films onto gold electrodes for label-free biosensing applications. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138137] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Differences in ITO Interface Characteristics Change According to the Formation of Aromatic-Ring and Aliphatic Self-Assembled Monolayers. CRYSTALS 2020. [DOI: 10.3390/cryst11010026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Herein, we confirm the performance difference according to the structure of self-assembling monolayer (SAM) and investigate the characteristics of the indium tin oxide (ITO) surface when ITO substrates are deposited by (3,3,3-trifluoropropyl)trimethoxysilane (F-3SAM) and (heptadecafluoro-1,1,2,2-tetrahydrodecyl)triethoxysilane (F-10SAM) having different chain lengths with trifluoromethyl group as terminal functional group, as well as SAM benzoic acid (BA) and 2-naphthoic acid (NA) with benzene ring forms. Through these, it is possible to control the wetting properties, surface roughness, and work function of the ITO surface. Wetting characteristics, average roughness, and changes in work function of the ITO surface were characterized by contact angle measurement, atomic force microscopy (AFM), and UV photoelectron spectroscopy (UPS). The measured contact angles were 41.1°, 82.25°, and 118° for the bare ITO, NA, and F-10SAM, respectively, the average roughnesses of the SAM-modified surfaces were 1.377, 1.033, and 0.838 nm for the bare ITO, NA, and F-10SAM, respectively. The work function of the ITO surface modified with NA and F-10SAM increased from 0.21 and 0.36 eV to 5.01 and 5.16 eV, respectively. As a result, the surface properties of ITO were better for aliphatic SAM than for aromatic ring SAM.
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Wang X, Li S, Yan C, Liu P, Ding J. Fabrication of RGD micro/nanopattern and corresponding study of stem cell differentiation. NANO LETTERS 2015; 15:1457-67. [PMID: 25697623 DOI: 10.1021/nl5049862] [Citation(s) in RCA: 126] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Micropatterns of gold (Au) nanoarrays on inorganic and polymeric substrates were fabricated by combining block copolymer micelle nanolithography to obtain gold nanoarrays on glass, photolithography plus hydrofluoric acid (HF) etching to generate microislands, and transfer lithography to shift the gold micro/nanopatterns from glass to a bioinert poly(ethylene glycol) (PEG) hydrogel surface. Further the modification of the gold nanodots via cell-adhesive arginine-glycine-aspartate (RGD) ligands was carried out to achieve peptide micro/nanopatterns. Whereas the micro/nanopatterns of noble metals could be useful in various applications, the peptide micro/nanopatterns especially enable persistent cell localization on adhesive micropatterns of RGD nanoarrays on the background of potently nonfouling PEG hydrogels, and thus offer a powerful tool to investigate cell-material interactions on both molecular and cellular levels. As a demonstration, we cultured human mesenchymal stem cells (hMSCs) on micro/nanopatterns with RGD nanoarrays of nanospacings 46 and 95 nm, and with micropans of side lengths 35 and 65 μm (four groups in total). The osteogenic and adipogenic differentiation of hMSCs was conducted, and the potential effect of RGD nanospacing and the effect of cell spreading size on cell differentiation were decoupled for the first time. The results reveal that RGD nanospacing, independent of cell spreading size, acts as a strong regulator of cell tension and stem cell differentiation, which cannot be concluded unambiguously based on either merely micropatterns or nanopatterns.
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Affiliation(s)
- Xuan Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Advanced Materials Laboratory, Fudan University , Shanghai 200433, China
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Patel IF, Kiryukhin MV, Yakovlev NL, Gupta HS, Sukhorukov GB. Naturally inspired polyelectrolyte multilayer composite films synthesised through layer-by-layer assembly and chemically infiltrated with CaCO3. J Mater Chem B 2015; 3:4821-4830. [DOI: 10.1039/c5tb00055f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inorganic chemical infiltration in polyelectrolyte multilayer films results in a considerable change in morphology and mechanical properties mimicking natural composite materials.
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Affiliation(s)
- Iffat F. Patel
- School of Engineering and Material Science
- Queen Mary University of London
- Mile End Road
- London
- UK
| | - Maxim V. Kiryukhin
- Institute of Materials Research and Engineering
- Agency for Science, Technology, and Research (A*STAR)
- Singapore
| | - Nikolai L. Yakovlev
- Institute of Materials Research and Engineering
- Agency for Science, Technology, and Research (A*STAR)
- Singapore
| | - Himadri S. Gupta
- School of Engineering and Material Science
- Queen Mary University of London
- Mile End Road
- London
- UK
| | - Gleb B. Sukhorukov
- School of Engineering and Material Science
- Queen Mary University of London
- Mile End Road
- London
- UK
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Khalil F, Franzmann E, Ramcke J, Dakischew O, Lips KS, Reinhardt A, Heisig P, Maison W. Biomimetic PEG-catecholates for stabile antifouling coatings on metal surfaces: Applications on TiO2 and stainless steel. Colloids Surf B Biointerfaces 2014; 117:185-92. [DOI: 10.1016/j.colsurfb.2014.02.022] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/04/2014] [Accepted: 02/12/2014] [Indexed: 12/24/2022]
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Akyilmaz E, Günay ME, Asav E, Gümüşada R. Cysteamine-palladium complex ([Pd(μ-OAc)(ppy)]2, ppy:2-phenylpyridine, PhMe)-modified peroxidase biosensor immobilized on a gold electrode. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2013; 42:413-7. [PMID: 23885923 DOI: 10.3109/21691401.2013.815193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
A new peroxidase biosensor was developed using cysteamine-palladium complex-modified gold electrode. The principle of the measurements is based on monitoring increase in the oxidation potential of palladium complex (at + 0.47 V vs Ag/AgCl) using amperometric detection. In the optimization studies of the biosensor, effects of enzyme amount, palladium complex amount, and duration of SAM formation on biosensor responses were investigated to optimize the bioactive layer. The biosensor has a fast response time of less than 10 s to hydrogen peroxide (H2O2), with a linear range of 5.0 × 10(- 6) to 150 × 10(- 6) M and a detection limit of 3.38 × 10(- 6) M.
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Affiliation(s)
- Erol Akyilmaz
- Faculty of Science, Department of Biochemistry, Ege University Bornova , Izmir , Turkey
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Angelova P, Solel E, Parvari G, Turchanin A, Botoshansky M, Gölzhäuser A, Keinan E. Chemisorbed monolayers of corannulene penta-thioethers on gold. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:2217-2223. [PMID: 23343474 DOI: 10.1021/la304600s] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Penta(tert-butylthio)corannulene and penta(4-dimethylaminophenylthio)corannulene form highly stable monolayers on gold surfaces, as indicated by X-ray photoelectron spectroscopy (XPS). Formation of these homogeneous monolayers involves multivalent coordination of the five sulfur atoms to gold with the peripheral alkyl or aryl substituents pointing away from the surface. No dissociation of C-S bonds upon binding could be observed at room temperature. Yet, the XPS experiments reveal strong chemical bonding between the thioether groups and gold. Temperature-dependent XPS study shows that the thermal stability of the monolayers is higher than the typical stability of self-assembled monolayers (SAMs) of thiolates on gold.
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Affiliation(s)
- Polina Angelova
- Physics of Supramolecular Systems and Surfaces, University of Bielefeld, Bielefeld, Germany.
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Ghorbal A, Grisotto F, Charlier J, Palacin S, Goyer C, Demaille C. Localized Electrografting of Vinylic Monomers on a Conducting Substrate by Means of an Integrated Electrochemical AFM Probe. Chemphyschem 2009; 10:1053-7. [DOI: 10.1002/cphc.200800803] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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10
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Perring M, Bowden NB. Assembly of organic monolayers on polydicyclopentadiene. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:10480-10487. [PMID: 18686977 DOI: 10.1021/la8015782] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The first well-defined organic monolayers assembled on polydicyclopentadiene is reported. Commercial grade dicyclopentadiene was polymerized with the Grubbs' second-generation catalyst in a fume hood under ambient conditions at very low monomer to catalyst loadings of 20 000 to 1. This simple method resulted in a polymer that was a hard solid and appeared slightly yellow. Brief exposures of a few seconds of this polymer to Br 2 lead to a surface with approximately half of the olefins brominated as shown by X-ray photoelectron spectroscopy (XPS) and attenuated total reflection-infrared (ATR-IR) spectroscopy. The ATR-IR spectroscopy was carried out with the polymer in contact with a Ge hemisphere housed in a GATR accessory from Harrick. This brominated polydicyclopentadiene was immersed in DMF with 4-(trifluoromethyl)benzylamine to assemble a monolayer. The amines displaced Br on the surface to form a monolayer that exposed a CF 3 group on the surface. The surface was extensively studied by XPS using the method described by Tougaard to find the distribution of F within the surface layer. The ratio for the peak area, Ap, to the background height, B, measured 30 eV below the peak maximum was 109.8 eV. This value clearly indicated that F was found only at the surface and was not found within the polymer. A surface coverage of 1.37 amines per nm (2) was estimated and indicated that the monolayer was 28% as dense as a similar monolayer assembled from thiols on gold. Finally, a simple method to pattern these monolayers using soft lithography is described. This work is critically important because it reports the first monolayers on a relatively new and emerging polymer that has many desirable physical characteristics such as high hardness, chemical stability, and ease of forming different shapes.
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Affiliation(s)
- Mathew Perring
- University of Iowa, Department of Chemistry, Iowa City, IA 52242, USA
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Charlier J, Palacin S, Leroy J, Del Frari D, Zagonel L, Barrett N, Renault O, Bailly A, Mariolle D. Local silicon doping as a promoter of patterned electrografting of diazonium for directed surface functionalization. ACTA ACUST UNITED AC 2008. [DOI: 10.1039/b800572a] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Park MK, Lee DC, Liang Y, Lin G, Yu L. Defect-free polymer multilayers prepared via chemoselective immobilization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2007; 23:4367-72. [PMID: 17335260 DOI: 10.1021/la0633785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
In this paper, we investigated electrochemical properties of polymer multilayers on gold substrates using impedance spectroscopy. The multilayer was prepared by chemoselective ligation between aldehyde- and oxyamine-functionalized polymers via a layer-by-layer approach. The impedance spectra in a buffer solution in the absence of redox species revealed the formation of highly impermeable and defect-free films. The dielectric thickness of the polymer film, which is proportional to the reciprocal of capacitance, linearly increased as the number of deposition layer increased. The defect area of the polymer multilayer was obtained using the faradaic impedance with redox species. The surface coverage of eight polymer layers was determined to be 99.99%. Thus, the layer-by-layer deposition via chemoselective ligation offers a new way to prepare a highly insulating and defect-free polymer layer with finely tunable capacitance as a function of the number of deposition layers.
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Affiliation(s)
- Mi-Kyoung Park
- Department of Chemistry and The James Frank Institute, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637, USA
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Schönherr H, Degenhart GH, Dordi B, Feng CL, Rozkiewicz DI, Shovsky A, Vancso GJ. Organic and Macromolecular Films and Assemblies as (Bio)reactive Platforms: From Model Studies on Structure–Reactivity Relationships to Submicrometer Patterning. ADVANCES IN POLYMER SCIENCE 2005. [DOI: 10.1007/12_014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Basch H, Cohen R, Ratner MA. Interface geometry and molecular junction conductance: geometric fluctuation and stochastic switching. NANO LETTERS 2005; 5:1668-75. [PMID: 16159203 DOI: 10.1021/nl050702s] [Citation(s) in RCA: 134] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Metal/molecule/metal transport junctions can transport charge in the elastic scattering (Landauer) regime if the injection gap is large and the molecule is relatively short. Stochastic switching and broad conduction peak distributions have been observed in such junctions. We examine the effect of altering interface geometry on transport, using density functional calculations. For most structures, variations in conductance of order 0-300% are found, but when an atomic wire of Au binds to the molecule, symmetry changes can modify currents by a factor of 10(3).
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Affiliation(s)
- H Basch
- Department of Chemistry, Bar-Ilan University, Ramat Gan, Israel
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Lee TR, Laibinis PE, Folkers JP, Whitesides GM. Heterogeneous catalysis on platinum and self-assembled monolayers on metal and metal oxide surfaces. PURE APPL CHEM 1991. [DOI: 10.1351/pac199163060821] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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