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Kamaliardakani M, Vapaavuori J, Wang X, Sabat RG, Bazuin CG, Pellerin C. Molecular-Level Photo-Orientation Insights into Macroscopic Photo-Induced Motion in Azobenzene-Containing Polymer Complexes. J Phys Chem B 2021; 125:7871-7885. [PMID: 34255516 DOI: 10.1021/acs.jpcb.1c01988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
As part of continuing efforts to deepen the understanding of photo-induced mass transport in azo-containing polymers, we compared the diffraction efficiency (DE) during surface-relief grating (SRG) inscription, photo-induced molecular orientation (<P2>), and thermal stability in two sets of supramolecular azopolymer complexes, namely, hydrogen-bonded (H-bonded) and ionically bonded (i-bonded) complexes, both as a function of the polymer degree of polymerization (DP). To that end, poly(4-vinylpyridine) (P4VP) polymers with DPs of 41, 480, and 1900 were H-bonded at an equimolar ratio with 4-hydroxy-4'-dimethylaminoazobenzene (azoOH), and the fully quaternized derivatives of the three P4VPs (P4VPMe) were i-bonded via ion exchange to sodium 4-[(4-dimethylamino)-phenylazo]benzene sulfonate (azoSO3), also known as methyl orange, where the OH functionality of azoOH is replaced by a sulfonate group. The i-bonded complexes show much better DE performances and <P2> levels than those of H-bonded complexes, which we relate to the liquid crystal structure of the former complexes. Fitting the <P2> curves by a biexponential equation leads to two parameters associated with a fast trans-cis or angular hole burning (AHB) process and a slow angular redistribution (AR) process of the azo, respectively. It is found that AHB is predominant in the H-bonded complexes, whereas the AR contribution is much greater in the i-bonded complexes, assuring their superior SRG efficiency that is enabled by the anisotropic free volume created mainly by the AR process. In each set of complexes, the SRG efficiency is much better for the lowest DP complex, while the AR contribution is constant (and low) for the H-bonded complexes and increases roughly linearly with the decrease in DP for the i-bonded complexes. The latter difference might be related to the presence of entanglements in the complexes with DPs 480 and 1900, which slow down the macroscopic movement during SRG inscription but not the molecular-scale movement in photo-orientation.
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Affiliation(s)
- Mahnaz Kamaliardakani
- Département de chimie, Université de Montréal, C.P. 6128, succursale Centre-Ville, Montréal H3C 3J7, QC, Canada
| | - Jaana Vapaavuori
- Département de chimie, Université de Montréal, C.P. 6128, succursale Centre-Ville, Montréal H3C 3J7, QC, Canada
| | - Xiaoxiao Wang
- Département de chimie, Université de Montréal, C.P. 6128, succursale Centre-Ville, Montréal H3C 3J7, QC, Canada
| | - Ribal Georges Sabat
- Department of Physics and Space Science, Royal Military College of Canada, Kingston K7K 7B4, ON, Canada
| | - C Geraldine Bazuin
- Département de chimie, Université de Montréal, C.P. 6128, succursale Centre-Ville, Montréal H3C 3J7, QC, Canada
| | - Christian Pellerin
- Département de chimie, Université de Montréal, C.P. 6128, succursale Centre-Ville, Montréal H3C 3J7, QC, Canada
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Hu G, Lin S, Zhao B, Pan Q. Synthesis and characterization of natural rubber‐based telechelic oligomers via olefin metathesis. J Appl Polym Sci 2021. [DOI: 10.1002/app.49899] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Guangwei Hu
- College of Chemistry, Chemical Engineering and Material Science Soochow University Suzhou China
| | - Shaohui Lin
- College of Chemistry, Chemical Engineering and Material Science Soochow University Suzhou China
| | - Boxin Zhao
- Department of Chemical Engineering University of Waterloo Waterloo Ontario Canada
| | - Qinmin Pan
- College of Chemistry, Chemical Engineering and Material Science Soochow University Suzhou China
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Atkins S, Chueh A, Barwell T, Nunzi JM, Seroude L. Capture and light-induced release of antibiotics by an azo dye polymer. Sci Rep 2020; 10:3267. [PMID: 32094405 PMCID: PMC7039927 DOI: 10.1038/s41598-020-60245-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 01/27/2020] [Indexed: 12/03/2022] Open
Abstract
The isomerisation of azo dyes can induce conformational changes which have potential applications in medicine and environmental protection. We developed an agar diffusion assay to test the capture and release of biologically active molecules from an azo electro-optic polymer, Poly (Disperse Red 1 methacrylate) (DR1/PMMA). The assay monitors the growth of bacteria placed in soft agar under a glass coverslip. Antibiotics can then be applied on the coverslip resulting in the clearance of the area under the coverslip due to growth inhibition. This assay demonstrates that DR1/PMMA is able to capture either tetracycline or ampicillin and the relative amount of DR1/PMMA required for capture was determined. Finally, the active antibiotics can be released from DR1/PMMA by exposure to green laser light. Exposure to white light from a torch or to heat does not release the antibiotic.
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Affiliation(s)
- Stephen Atkins
- Department of Biology, Queen's University, Kingston, ON, K7L-3N6, Canada
| | - Alysa Chueh
- Department of Chemistry, Queen's University, Kingston, ON, K7L-3N6, Canada
| | - Taylor Barwell
- Department of Biology, Queen's University, Kingston, ON, K7L-3N6, Canada
| | - Jean-Michel Nunzi
- Department of Chemistry, Queen's University, Kingston, ON, K7L-3N6, Canada. .,Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, ON, K7L-3N6, Canada.
| | - Laurent Seroude
- Department of Biology, Queen's University, Kingston, ON, K7L-3N6, Canada.
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Dattler D, Fuks G, Heiser J, Moulin E, Perrot A, Yao X, Giuseppone N. Design of Collective Motions from Synthetic Molecular Switches, Rotors, and Motors. Chem Rev 2019; 120:310-433. [PMID: 31869214 DOI: 10.1021/acs.chemrev.9b00288] [Citation(s) in RCA: 232] [Impact Index Per Article: 46.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Precise control over molecular movement is of fundamental and practical importance in physics, biology, and chemistry. At nanoscale, the peculiar functioning principles and the synthesis of individual molecular actuators and machines has been the subject of intense investigations and debates over the past 60 years. In this review, we focus on the design of collective motions that are achieved by integrating, in space and time, several or many of these individual mechanical units together. In particular, we provide an in-depth look at the intermolecular couplings used to physically connect a number of artificial mechanically active molecular units such as photochromic molecular switches, nanomachines based on mechanical bonds, molecular rotors, and light-powered rotary motors. We highlight the various functioning principles that can lead to their collective motion at various length scales. We also emphasize how their synchronized, or desynchronized, mechanical behavior can lead to emerging functional properties and to their implementation into new active devices and materials.
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Affiliation(s)
- Damien Dattler
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Gad Fuks
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Joakim Heiser
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Emilie Moulin
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Alexis Perrot
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Xuyang Yao
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Nicolas Giuseppone
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
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Puliafito A, Ricciardi S, Pirani F, Čermochová V, Boarino L, De Leo N, Primo L, Descrovi E. Driving Cells with Light-Controlled Topographies. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801826. [PMID: 31380197 PMCID: PMC6661947 DOI: 10.1002/advs.201801826] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 04/30/2019] [Indexed: 06/10/2023]
Abstract
Cell-substrate interactions can modulate cellular behaviors in a variety of biological contexts, including development and disease. Light-responsive materials have been recently proposed to engineer active substrates with programmable topographies directing cell adhesion, migration, and differentiation. However, current approaches are affected by either fabrication complexity, limitations in the extent of mechanical stimuli, lack of full spatio-temporal control, or ease of use. Here, a platform exploiting light to plastically deform micropatterned polymeric substrates is presented. Topographic changes with remarkable relief depths in the micron range are induced in parallel, by illuminating the sample at once, without using raster scanners. In few tens of seconds, complex topographies are instructed on demand, with arbitrary spatial distributions over a wide range of spatial and temporal scales. Proof-of-concept data on breast cancer cells and normal kidney epithelial cells are presented. Both cell types adhere and proliferate on substrates without appreciable cell damage upon light-induced substrate deformations. User-provided mechanical stimulation aligns and guides cancer cells along the local deformation direction and constrains epithelial colony growth by biasing cell division orientation. This approach is easy to implement on general-purpose optical microscopy systems and suitable for use in cell biology in a wide variety of applications.
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Affiliation(s)
- Alberto Puliafito
- Candiolo Cancer Institute FPO‐IRCCSCandioloTurin10060Italy
- Department of OncologyUniversity of TurinTurin10060Italy
| | - Serena Ricciardi
- Department of Applied Science and TechnologyPolytechnic University of TurinC.so Duca degli Abruzzi 24Turin10129Italy
| | - Federica Pirani
- Department of Applied Science and TechnologyPolytechnic University of TurinC.so Duca degli Abruzzi 24Turin10129Italy
| | - Viktorie Čermochová
- Department of Applied Science and TechnologyPolytechnic University of TurinC.so Duca degli Abruzzi 24Turin10129Italy
- Department of Chemical EngineeringUniversity of Chemical Technology PragueTechnická3166 28 Praha 6Czech Republic
| | - Luca Boarino
- Quantum Research Labs & Nanofacility Piemonte Nanoscience & Materials DivisionIstituto Nazionale di Ricerca MetrologicaStrada delle Cacce 91Turin10135Italy
| | - Natascia De Leo
- Quantum Research Labs & Nanofacility Piemonte Nanoscience & Materials DivisionIstituto Nazionale di Ricerca MetrologicaStrada delle Cacce 91Turin10135Italy
| | - Luca Primo
- Candiolo Cancer Institute FPO‐IRCCSCandioloTurin10060Italy
- Department of OncologyUniversity of TurinTurin10060Italy
| | - Emiliano Descrovi
- Department of Applied Science and TechnologyPolytechnic University of TurinC.so Duca degli Abruzzi 24Turin10129Italy
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Wang X, Vapaavuori J, Bazuin CG, Pellerin C. Molecular-Level Study of Photoorientation in Hydrogen-Bonded Azopolymer Complexes. Macromolecules 2018. [DOI: 10.1021/acs.macromol.7b02534] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Xiaoxiao Wang
- Département de chimie, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
| | - Jaana Vapaavuori
- Département de chimie, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
| | - C. Geraldine Bazuin
- Département de chimie, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
| | - Christian Pellerin
- Département de chimie, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
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Vapaavuori J, Bazuin CG, Pellerin C. Taming Macromolecules with Light: Lessons Learned from Vibrational Spectroscopy. Macromol Rapid Commun 2017; 39. [DOI: 10.1002/marc.201700430] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 07/20/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Jaana Vapaavuori
- Département de chimieUniversité de Montréal Montréal Québec H3C 3J7 Canada
| | | | - Christian Pellerin
- Département de chimieUniversité de Montréal Montréal Québec H3C 3J7 Canada
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Orofino AB, Galante MJ, Oyanguren PA. Analyses of surface relief gratings inscription in epoxy-azo linear and crosslinked polymers. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/polb.24411] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Antonela B. Orofino
- Grupo de Polímeros Nanoestructurados (PolNano), Instituto de Investigación en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Mar del Plata Buenos Aires Argentina
| | - María J. Galante
- Grupo de Polímeros Nanoestructurados (PolNano), Instituto de Investigación en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Mar del Plata Buenos Aires Argentina
| | - Patricia A. Oyanguren
- Grupo de Polímeros Nanoestructurados (PolNano), Instituto de Investigación en Ciencia y Tecnología de Materiales (INTEMA), Universidad Nacional de Mar del Plata (UNMdP), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Mar del Plata Buenos Aires Argentina
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