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Mgharbel A, Migdal C, Bouchonville N, Dupenloup P, Fuard D, Lopez-Soler E, Tomba C, Courçon M, Gulino-Debrac D, Delanoë-Ayari H, Nicolas A. Cells on Hydrogels with Micron-Scaled Stiffness Patterns Demonstrate Local Stiffness Sensing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:648. [PMID: 35214978 PMCID: PMC8880377 DOI: 10.3390/nano12040648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 01/31/2022] [Accepted: 02/07/2022] [Indexed: 12/15/2022]
Abstract
Cell rigidity sensing-a basic cellular process allowing cells to adapt to mechanical cues-involves cell capabilities exerting force on the extracellular environment. In vivo, cells are exposed to multi-scaled heterogeneities in the mechanical properties of the surroundings. Here, we investigate whether cells are able to sense micron-scaled stiffness textures by measuring the forces they transmit to the extracellular matrix. To this end, we propose an efficient photochemistry of polyacrylamide hydrogels to design micron-scale stiffness patterns with kPa/µm gradients. Additionally, we propose an original protocol for the surface coating of adhesion proteins, which allows tuning the surface density from fully coupled to fully independent of the stiffness pattern. This evidences that cells pull on their surroundings by adjusting the level of stress to the micron-scaled stiffness. This conclusion was achieved through improvements in the traction force microscopy technique, e.g., adapting to substrates with a non-uniform stiffness and achieving a submicron resolution thanks to the implementation of a pyramidal optical flow algorithm. These developments provide tools for enhancing the current understanding of the contribution of stiffness alterations in many pathologies, including cancer.
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Affiliation(s)
- Abbas Mgharbel
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
- University Grenoble Alps, CEA, CNRS, Inserm, BIG-BCI, 38000 Grenoble, France; (M.C.); (D.G.-D.)
| | - Camille Migdal
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
- University Grenoble Alps, CEA, CNRS, Inserm, BIG-BCI, 38000 Grenoble, France; (M.C.); (D.G.-D.)
| | - Nicolas Bouchonville
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
| | - Paul Dupenloup
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
| | - David Fuard
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
| | - Eline Lopez-Soler
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
- University Grenoble Alps, CEA, CNRS, Inserm, BIG-BCI, 38000 Grenoble, France; (M.C.); (D.G.-D.)
| | - Caterina Tomba
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
- University Grenoble Alps, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
| | - Marie Courçon
- University Grenoble Alps, CEA, CNRS, Inserm, BIG-BCI, 38000 Grenoble, France; (M.C.); (D.G.-D.)
| | - Danielle Gulino-Debrac
- University Grenoble Alps, CEA, CNRS, Inserm, BIG-BCI, 38000 Grenoble, France; (M.C.); (D.G.-D.)
| | - Héléne Delanoë-Ayari
- Université de Lyon, University Claude Bernard Lyon1, CNRS, Institut Lumière Matière, 69622 Villeurbanne, France;
| | - Alice Nicolas
- University Grenoble Alps, CNRS, LTM, 38000 Grenoble, France; (A.M.); (C.M.); (N.B.); (P.D.); (D.F.); (E.L.-S.); (C.T.)
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Paiva S, Joanne P, Migdal C, Soler EL, Hovhannisyan Y, Nicolas A, Agbulut O. Polyacrylamide Hydrogels with Rigidity-Independent Surface Chemistry Show Limited Long-Term Maintenance of Pluripotency of Human Induced Pluripotent Stem Cells on Soft Substrates. ACS Biomater Sci Eng 2019; 6:340-351. [DOI: 10.1021/acsbiomaterials.9b01189] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Solenne Paiva
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005 Paris, France
| | - Pierre Joanne
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005 Paris, France
| | - Camille Migdal
- Univ. Grenoble Alpes, CNRS, LTM, 38000 Grenoble, France
- Univ. Grenoble Alpes, CEA, Inserm, BIG-BGE, 38000 Grenoble, France
| | | | - Yeranuhi Hovhannisyan
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005 Paris, France
| | - Alice Nicolas
- Univ. Grenoble Alpes, CNRS, LTM, 38000 Grenoble, France
| | - Onnik Agbulut
- Sorbonne Université, Institut de Biologie Paris-Seine (IBPS), CNRS UMR 8256, Inserm ERL U1164, Biological Adaptation and Ageing, 75005 Paris, France
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Ito S, Kasuya M, Kurihara K, Nakagawa M. Nanometer-Resolved Fluidity of an Oleophilic Monomer between Silica Surfaces Modified with Fluorinated Monolayers for Nanoimprinting. ACS APPLIED MATERIALS & INTERFACES 2017; 9:6591-6598. [PMID: 28117973 DOI: 10.1021/acsami.6b15139] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Ultraviolet (UV) nanoimprinting has the potential to fabricate sub-15 nm resin patterns, but the interfacial fluidity of organic monomers near monomer liquid/mold solid interfaces related to filling nanoscale mold recesses with UV-curable resins still remains unclear. In this study, we demonstrated that surface forces and resonance shear measurements were helpful to select a surface modifier appropriate for silica mold surfaces for UV nanoimprinting with the low-viscosity monomer 1,10-decanediol diacrylate. Surface forces between silica surfaces mediated with the diacrylate monomer and fluidities of the monomer were investigated with nanometer resolution. Chemical vapor surface modification of silica surfaces with chlorodimethyl(3,3,3-trifluoropropyl)silane (FAS3-Cl) and tridecafluoro-1,1,2,2-tetrahydrooctyltrimethoxysilane (FAS13) gave fluorinated silica surfaces with root-mean-square roughness of less than 0.24 nm suitable for the measurements. When the distance D between two silica surfaces was decreased stepwise in the range of 0-30 nm, monomer viscosity between cleaned silica surfaces increased markedly at D < 6 nm. Surface modification with FAS3-Cl suppressed this increase of interfacial monomer viscosity. In contrast, FAS13-modified silica surfaces caused a jump-in phenomenon at approximately D = 7-9 nm, suddenly decreasing to D = 1 nm as the monomer fluid layer was squeezed out. We concluded that FAS3-Cl was appropriate as a fluorinated surface modifier for silica molds used in UV nanoimprinting with an oleophilic low-viscosity monomer, because the chemisorbed monolayer maintained low monomer viscosity near the surface/monomer interface, in addition to its low surface free energy and short CF3CH2CH2- group.
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Affiliation(s)
- Shunya Ito
- Institute of Multidisciplinary Research for Advanced Materials and ‡Advanced Institute for Materials Research (WPI-AIMR), Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Motohiro Kasuya
- Institute of Multidisciplinary Research for Advanced Materials and ‡Advanced Institute for Materials Research (WPI-AIMR), Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Kazue Kurihara
- Institute of Multidisciplinary Research for Advanced Materials and ‡Advanced Institute for Materials Research (WPI-AIMR), Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Masaru Nakagawa
- Institute of Multidisciplinary Research for Advanced Materials and ‡Advanced Institute for Materials Research (WPI-AIMR), Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
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Jadhav SA, Bongiovanni R, Marchisio D. Synthesis and surface treatment of magnetite nanoparticles for tuning hydrophobicity and colloidal stability. COLLOID JOURNAL 2016. [DOI: 10.1134/s1061933x16040074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ito S, Kaneko S, Yun CM, Kobayashi K, Nakagawa M. Investigation of fluorinated (Meth)acrylate monomers and macromonomers suitable for a hydroxy-containing acrylate monomer in UV nanoimprinting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:7127-7133. [PMID: 24892792 DOI: 10.1021/la501629n] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We investigated reactive fluorinated (meth)acrylate monomers and macromonomers that caused segregation at the cured resin surface of a viscous hydroxy-containing monomer, glycerol 1,3-diglycerolate diacrylate (GDD), and decreased the demolding energy in ultraviolet (UV) nanoimprinting with spin-coated films under a condensable alternative chlorofluorocarbon gas atmosphere. The X-ray photoelectron spectroscopy and contact angle measurements used to determine the surface free energy suggested that a nonvolatile silicone-based methacrylate macromonomer with fluorinated alkyl groups segregated at the GDD-based cured resin surface and decreased the surface free energy, while fluorinated acrylate monomers hardly decreased the surface free energy because of their evaporation during the annealing of the spin-coated films. The average demolding energy of GDD-based cured resins with the macromonomer having fluorinated alkyl groups was smaller than that with the macromonomer having hydrocarbon alkyl groups. The fluorinated alkyl groups were responsible for decreasing the demolding energy rather than the polysiloxane main chains. We demonstrated that the GDD-based UV-curable resin with the fluorinated silicone-based macromonomer was suitable for step-and-repeat UV nanoimprinting with a bare silica mold, in addition to silica molds treated by chemical vapor surface modification with trifluoro-1,1,2,2-tetrahydropropyltrimethoxysilane (FAS3) and tridecafluoro-1,1,2,2-tetrahydrooctyltrimethoxysilane (FAS13).
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Affiliation(s)
- Shunya Ito
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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Cheng DF, Masheder B, Urata C, Hozumi A. Smooth perfluorinated surfaces with different chemical and physical natures: their unusual dynamic dewetting behavior toward polar and nonpolar liquids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:11322-11329. [PMID: 23931123 DOI: 10.1021/la402398y] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The effects of surface chemistry and the mobility of surface-tethered functional groups of various perfluorinated surfaces on their dewetting behavior toward polar (water) and nonpolar (n-hexadecane, n-dodecane, and n-decane) liquids were investigated. In this study, three types of common smooth perfluorinated surfaces, that is, a perfluoroalkylsilane (heptadecafluoro-1,1,2,2-tetrahydrooctyl-dimethylchlorosilane, FAS17) monomeric layer, an amorphous fluoropolymer film (Teflon AF 1600), and a perfluorinated polyether (PFPE)-terminated polymer brush film (Optool DSX), were prepared and their static/dynamic dewetting characteristics were compared. Although the apparent static contact angles (CAs) of these surfaces with all probe liquids were almost identical to each other, the ease of movement of liquid drops critically depended on the physical (solidlike or liquidlike) natures of the substrate surface. CA hysteresis and substrate tilt angles (TAs) of all probe liquids on the Optool DSX surface were found to be much lower than those of Teflon AF1600 and FAS17 surfaces due to its physical polymer chain mobility at room temperature and the resulting liquidlike nature. Only 6.0° of substrate incline was required to initiate movement for a small drop (5 μL) of n-decane, which was comparable to the reported substrate TA value (5.3°) for a superoleophobic surface (θ(S) > 160°, textured perfluorinated surface). Such unusual dynamic dewetting behavior of the Optool DSX surface was also markedly enhanced due to the significant increase in the chain mobility of PFPE by moderate heating (70 °C) of the surface, with substrate TA reducing to 3.0°. CA hysteresis and substrate TAs rather than static CAs were therefore determined to be of greater consequence for the estimation of the actual dynamic dewetting behavior of alkane probe liquids on these smooth perfluorinated surfaces. Their dynamic dewettability toward alkane liquids is in the order of Optool DSX >> Teflon AF1600 ≈ FAS17.
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Affiliation(s)
- Dalton F Cheng
- National Institute for Advanced Industrial Science and Technology (AIST) , 2266-98 Anagahora, Shimo-Shidami, Moriyama-ku Nagoya, Aichi 463-8560, Japan
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Ito S, Yun CM, Kobayashi K, Nakagawa M. Surface Segregation of 1H,1H,9H-Hexadecafluorononyl Acrylate in Dimethacrylate Resin Films Cured by Exposure to Ultraviolet Light. CHEM LETT 2012. [DOI: 10.1246/cl.2012.1294] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Shunya Ito
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
| | - Cheol Min Yun
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
| | - Kei Kobayashi
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
| | - Masaru Nakagawa
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University
- JST-CREST
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Wongchitphimon S, Wang R, Jiraratananon R. Surface modification of polyvinylidene fluoride-co-hexafluoropropylene (PVDF–HFP) hollow fiber membrane for membrane gas absorption. J Memb Sci 2011. [DOI: 10.1016/j.memsci.2011.07.022] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kessman AJ, Cairns DR. Template-assisted encapsulation of fluorinated silanes in silica films for sustained hydrophobic–oleophobic functionality. J Colloid Interface Sci 2011; 360:785-92. [DOI: 10.1016/j.jcis.2011.05.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Revised: 05/05/2011] [Accepted: 05/06/2011] [Indexed: 10/18/2022]
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Kessman AJ, Cairns DR. Microtribological study of internal surfaces of fluorinated mesoporous silica films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:5968-5975. [PMID: 21491864 DOI: 10.1021/la2000238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Fluorinated mesoporous silica films were synthesized via sol-gel co-condensation and coated on glass substrates. Surfactant template concentrations were varied to examine the effect of encapsulated organic functionality on the microtribological properties of films using atomic force microscopy. Films were tested as synthesized and also after being abraded to expose interior mesostructured surfaces. Results indicate that templating allows fluorinated moieties to become encapsulated within the film, which affect the tribological properties of the exposed internal surfaces. Depending on the amount of template added, the interior surfaces were able to achieve a friction level comparable to that of conventional monolayers. The dependence of friction on sliding speed revealed that fluorinated templated films have tribological properties intermediate to those of a nonfunctional surface and a conventional fluorinated monolayer.
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Affiliation(s)
- Aaron J Kessman
- Department of Mechanical and Aerospace Engineering, West Virginia University, Morgantown, West Virginia 26506, United States.
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