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Chowdhury S, Reynard-Feytis Q, Roizard C, Frath D, Chevallier F, Bucher C, Gibaud T. Light-Controlled Aggregation and Gelation of Viologen-Based Coordination Polymers. J Phys Chem B 2021; 125:12063-12071. [PMID: 34677961 DOI: 10.1021/acs.jpcb.1c06090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Ditopic bis-(triazole/pyridine)viologens are bidentate ligands that self-assemble into coordination polymers. In such photo-responsive materials, light irradiation initiates photo-induced electron transfer to generate π-radicals that can self-associate to form π-dimers. This leads to a cascade of events: processes at the supramolecular scale associated with mechanical and structural transition at the macroscopic scale. By tuning the irradiation power and duration, we evidence the formation of aggregates and gels. Using microscopy, we show that the aggregates are dense, polydisperse, micron-sized, spindle-shaped particles which grow in time. Using microscopy and time-resolved micro-rheology, we follow the gelation kinetics which leads to a gel characterized by a correlation length of a few microns and a weak elastic modulus. The analysis of the aggregates and the gel states vouch for an arrested phase separation process, a new scenario to supramolecular systems.
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Affiliation(s)
- Shagor Chowdhury
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Quentin Reynard-Feytis
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Clément Roizard
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Denis Frath
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Floris Chevallier
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Christophe Bucher
- Laboratoire de Chimie, Université de Lyon, Ens de Lyon, CNRS UMR 5182, F69342 Lyon, France
| | - Thomas Gibaud
- Laboratoire de Physique, Université de Lyon, Ens de Lyon, University Claude Bernard, CNRS, F69342 Lyon, France
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Kuhnhold A, Tänzel V. Thin smectic liquid crystalline fibrils of chiral rodlike particles. Phys Rev E 2021; 104:024703. [PMID: 34525528 DOI: 10.1103/physreve.104.024703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 08/09/2021] [Indexed: 11/07/2022]
Abstract
Inspired by recent experimental work on virus-polymer mixtures, we study the properties of thin smectic fibrils composed of chiral rodlike particles using Monte Carlo simulations. Due to the interplay between surface energy, elastic deformation energy, and entropic effects, the fibril's layers relax into a twisted state. We focus our study on the layers' twist direction and map our results to the antiferromagnetic Ising model. In this view, the chiral interaction mimics an external field that drives the layers to have the same sense of twist. Besides, we determine the free energy difference and barrier height between an alternating and a nonalternating sequence of twisted layers composed of achiral rods and find that an alternating sequence is slightly preferred. We also see that the fibrils contract on increasing the chiral interaction strength and think that further studies on self-assembled functional materials can use our results.
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Affiliation(s)
- A Kuhnhold
- Institute of Physics, University of Freiburg, 79104 Freiburg (Breisgau), Germany
| | - V Tänzel
- Institute of Physics, University of Freiburg, 79104 Freiburg (Breisgau), Germany
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Jackson K, Peivandi A, Fogal M, Tian L, Hosseinidoust Z. Filamentous Phages as Building Blocks for Bioactive Hydrogels. ACS APPLIED BIO MATERIALS 2021; 4:2262-2273. [PMID: 35014350 DOI: 10.1021/acsabm.0c01557] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Filamentous bacteriophages (bacterial viruses) are semiflexible proteinous nanofilaments with high aspect ratios for which the surface chemistry can be controlled with atomic precision via genetic engineering. That, in addition to their ability to self-propagate and replicate a nearly monodisperse batch of biologically and chemically identical nanofilaments, makes these bionanofilaments superior to most synthetic nanoparticles and thus a powerful tool in the bioengineers' toolbox. Furthermore, filamentous phages form liquid crystalline structures at high concentrations; these ordered assemblies create hierarchically ordered macro-, micro-, and nanostructures that, once cross-linked, can form hierarchically ordered hydrogels, hydrated soft material with a variety of physical and chemical properties suitable for biomedical applications (e.g., wound dressings and tissue engineering scaffolds) as well as biosensing, diagnostic assays. We provide a critical review of these hydrogels of filamentous phage, and their physical, mechanical, chemical, and biological properties and current applications, as well as an overview of limitations and challenges and outlook for future applications. In addition, we present a list of design parameters for filamentous phage hydrogels to serve as a guide for the (bio)engineer and (bio)chemist interested in utilizing these powerful bionanofilaments for designing smart, bioactive materials and devices.
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Affiliation(s)
- Kyle Jackson
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Azadeh Peivandi
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Meea Fogal
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Lei Tian
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
| | - Zeinab Hosseinidoust
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada.,School of Biomedical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada.,Michael DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario L8S 4L8, Canada
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Gibaud T, Constantin D. Direct Liquid to Crystal Transition in a Quasi-Two-Dimensional Colloidal Membrane. J Phys Chem Lett 2018; 9:4302-4307. [PMID: 30004230 DOI: 10.1021/acs.jpclett.8b01524] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Using synchrotron-based small-angle X-ray scattering, we study rigid fd viruses assembled into isolated monolayers from mixtures with a nonabsorbing polymer, which acts as an osmotic agent. As the polymer concentration increases, we observe a direct liquid to crystal transition, without an intermediate hexatic phase, in contrast with many other similar systems, such as concentrated DNA phases or packings of surfactant micelles. We tentatively attribute this effect to the difference in stiffness. The liquid phase can be well described by a hard-disk fluid, while we model the crystalline one as a hexagonal harmonic lattice and we evaluate its elastic constants.
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Affiliation(s)
- Thomas Gibaud
- Univ. Lyon, Ens de Lyon, Univ. Claude Bernard, CNRS , Laboratoire de Physique , F-69342 Lyon , France
| | - Doru Constantin
- Laboratoire de Physique des Solides , CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405 Orsay Cedex, France
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Affiliation(s)
- Luuk Metselaar
- The Rudolf Peierls Centre for Theoretical Physics, Clarendon Laboratory, Oxford, UK
| | - Amin Doostmohammadi
- The Rudolf Peierls Centre for Theoretical Physics, Clarendon Laboratory, Oxford, UK
| | - Julia M. Yeomans
- The Rudolf Peierls Centre for Theoretical Physics, Clarendon Laboratory, Oxford, UK
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Sawada T, Serizawa T. Filamentous Viruses as Building Blocks for Hierarchical Self-Assembly toward Functional Soft Materials. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20170428] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Toshiki Sawada
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-H121 Ookayama, Meguro-ku, Tokyo 152-8550
- Precursory Research for Embryonic Science and Technology, Japan Science and Technology Agency, 4-17 Honcho, Kawaguchi, Saitama 332-0012
| | - Takeshi Serizawa
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-H121 Ookayama, Meguro-ku, Tokyo 152-8550
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