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Shi Y, He X. Effect of Tacticity Sequence of the Poly( N-isopropylacrylamide) Oligomer on Phase Transition Behavior in Aqueous Solution. J Phys Chem B 2023; 127:8660-8668. [PMID: 37756642 DOI: 10.1021/acs.jpcb.3c03765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
The tacticity of poly(N-isopropylacrylamide) (PNIPAM) has a strong impact on the lower critical solution temperature (LCST) in aqueous solution. The sequence of meso diads (m) and racemo diads (r) further contributes to such an effect. In this work, the phase transition behaviors of poly(N-isopropylacrylamide) pentamers with four kinds of sequences, i.e., rrmm, rmmr, mrrm, and rmrm, in water were studied applying replica exchange molecular dynamics with a modified OPLS/AA force field. The difference in local component concentration in the system was used as an order parameter to quantitatively describe the phase separation extent. It was found that the phase separation degree of rrmm and rmmr is higher than that of mrrm and rmrm at the same temperature. The LCSTs of rrmm and rmmr are lower than those of mrrm and rmrm. The radial distribution function and hydrogen bond analysis revealed that the average values of hydrogen bonds between pentamers for rrmm and rmmr are greater than those of mrrm and rmrm, whereas the average values of hydrogen bonds between pentamers and water for rrmm and rmmr are less than those of mrrm and rmrm. It was demonstrated that the isotactic triad (mm) plays an important role in the thermosensitive behaviors of the PNIPAM pentamer. The increase of isotactic triad (mm) content in the PNIPAM chain promotes the formation of intermolecular hydrogen bonds between amide and amide and leads to a higher aggregation of the pentamer with the sequence of rrmm or rmmr. Finally, the effect of the isotactic triad was qualitatively explained with the mean-field theory.
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Affiliation(s)
- Yi Shi
- Department of Chemistry, School of Science, Tianjin University, 300072 Tianjin, China
| | - Xuehao He
- Department of Chemistry, School of Science, Tianjin University, 300072 Tianjin, China
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2
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Calais T, Valdivia y Alvarado P. Advanced functional materials for soft robotics: tuning physicochemical properties beyond rigidity control. ACTA ACUST UNITED AC 2019. [DOI: 10.1088/2399-7532/ab4f9d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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3
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Vasudevan SA, Rauh A, Kröger M, Karg M, Isa L. Dynamics and Wetting Behavior of Core-Shell Soft Particles at a Fluid-Fluid Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:15370-15382. [PMID: 30444370 DOI: 10.1021/acs.langmuir.8b03048] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We investigate the conformation, position, and dynamics of core-shell nanoparticles (CSNPs) composed of a silica core encapsulated in a cross-linked poly( N-isopropylacrylamide) shell at a water-oil interface for a systematic range of core sizes and shell thicknesses. We first present a free-energy model that we use to predict the CSNP wetting behavior at the interface as a function of its geometrical and compositional properties in the bulk phases, which is in good agreement with our experimental data. Remarkably, based on the knowledge of the polymer shell deformability, the equilibrium particle position relative to the interface plane, an often elusive experimental quantity, can be extracted by measuring its radial dimensions after adsorption. For all the systems studied here, the interfacial dimensions are always larger than in bulk and the particle core resides in a configuration, wherein it just touches the interface or is fully immersed in water. Moreover, the stretched shell induces a larger viscous drag at the interface, which appears to depend solely on the interfacial dimensions, irrespective of the portion of the CSNP surface exposed to the two fluids. Our findings indicate that tailoring the architecture of CSNPs can be used to control their properties at the interface, as of interest for applications including emulsion stabilization and nanopatterning.
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Affiliation(s)
- Siddarth A Vasudevan
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials , ETH Zürich , Vladimir-Prelog-Weg 5 , 8093 Zürich , Switzerland
| | - Astrid Rauh
- Physical Chemistry I , University of Bayreuth , Universitätsstr. 30 , 95440 Bayreuth , Germany
- Physical Chemistry I , Heinrich-Heine-University , Universitätsstr. 1 , 40204 Düsseldorf , Germany
| | - Martin Kröger
- Polymer Physics, Department of Materials , ETH Zürich , Leopold-Ruzicka-Weg 4 , 8093 Zürich , Switzerland
| | - Matthias Karg
- Physical Chemistry I , Heinrich-Heine-University , Universitätsstr. 1 , 40204 Düsseldorf , Germany
| | - Lucio Isa
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials , ETH Zürich , Vladimir-Prelog-Weg 5 , 8093 Zürich , Switzerland
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4
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Optimization Strategies for Responsivity Control of Microgel Assisted Lab-On-Fiber Optrodes. SENSORS 2018; 18:s18041119. [PMID: 29642392 PMCID: PMC5948500 DOI: 10.3390/s18041119] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 03/29/2018] [Accepted: 04/03/2018] [Indexed: 12/15/2022]
Abstract
Integrating multi-responsive polymers such as microgels onto optical fiber tips, in a controlled fashion, enables unprecedented functionalities to Lab-on-fiber optrodes. The creation of a uniform microgel monolayer with a specific coverage factor is crucial for enhancing the probes responsivity to a pre-defined target parameter. Here we report a reliable fabrication strategy, based on the dip coating technique, for the controlled realization of microgel monolayer onto unconventional substrates, such as the optical fiber tip. The latter was previously covered by a plasmonic nanostructure to make it sensitive to superficial environment changes. Microgels have been prepared using specific Poly(N-isopropylacrylamide)-based monomers that enable bulky size changes in response to both temperature and pH variations. The formation of the microgel monolayer is efficiently controlled through the selection of suitable operating pH, temperature and concentration of particle dispersions used during the dipping procedure. The effect of each parameter has been evaluated, and the validity of our procedure is confirmed by means of both morphological and optical characterizations. We demonstrate that when the coverage factor exceeds 90%, the probe responsivity to microgels swelling/collapsing is significantly improved. Our study opens new paradigms for the development of engineered microgels assisted Lab-on-Fiber probes for biochemical applications.
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5
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Mackiewicz M, Marcisz K, Strawski M, Romanski J, Stojek Z, Karbarz M. Modification of gold electrode with a monolayer of self-assembled microgels. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.02.127] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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Aliberti A, Ricciardi A, Giaquinto M, Micco A, Bobeico E, La Ferrara V, Ruvo M, Cutolo A, Cusano A. Microgel assisted Lab-on-Fiber Optrode. Sci Rep 2017; 7:14459. [PMID: 29089550 PMCID: PMC5663859 DOI: 10.1038/s41598-017-14852-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 10/16/2017] [Indexed: 11/08/2022] Open
Abstract
Precision medicine is continuously demanding for novel point of care systems, potentially exploitable also for in-vivo analysis. Biosensing probes based on Lab-On-Fiber Technology have been recently developed to meet these challenges. However, devices exploiting standard label-free approaches (based on ligand/target molecule interaction) suffer from low sensitivity in all cases where the detection of small molecules at low concentrations is needed. Here we report on a platform developed through the combination of Lab-On-Fiber probes with microgels, which are directly integrated onto the resonant plasmonic nanostructure realized on the fiber tip. In response to binding events, the microgel network concentrates the target molecule and amplifies the optical response, leading to remarkable sensitivity enhancement. Moreover, by acting on the microgel degrees of freedom such as concentration and operating temperature, it is possible to control the limit of detection, tune the working range as well as the response time of the probe. These unique characteristics pave the way for advanced label-free biosensing platforms, suitably reconfigurable depending on the specific application.
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Affiliation(s)
- A Aliberti
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy
| | - A Ricciardi
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy
| | - M Giaquinto
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy
| | - A Micco
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy
| | - E Bobeico
- ENEA, Portici Research Center, P.le E. Fermi 1, I-80055 Portici, Napoli, Italy
| | - V La Ferrara
- ENEA, Portici Research Center, P.le E. Fermi 1, I-80055 Portici, Napoli, Italy
| | - M Ruvo
- Institute of Biostructure and Bioimaging, National Research Council, I-80143, Napoli, Italy
| | - A Cutolo
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy
| | - A Cusano
- Optoelectronics Group, Department of Engineering, University of Sannio, I-82100, Benevento, Italy.
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7
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Tacticity-Dependent Interchain Interactions of Poly(N-Isopropylacrylamide) in Water: Toward the Molecular Dynamics Simulation of a Thermoresponsive Microgel. Gels 2017; 3:gels3020013. [PMID: 30920510 PMCID: PMC6318596 DOI: 10.3390/gels3020013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/11/2017] [Accepted: 04/14/2017] [Indexed: 12/13/2022] Open
Abstract
The discovery that the lower critical solution temperature (LCST) of poly(N-Isopropylacrylamide) (PNIPAM) in water is affected by the tacticity opens the perspective to tune the volume phase transition temperature of PNIPAM microgels by changing the content of meso dyads in the polymer network. The increased hydrophobicity of isotactic-rich PNIPAM originates from self-assembly processes in aqueous solutions also below the LCST. The present work aims to detect the characteristics of the pair interaction between polymer chains, occurring in a concentration regime close to the chain overlap concentration, by comparing atactic and isotactic-rich PNIPAM solutions. Using atomistic molecular dynamics simulations, we successfully modelled the increased association ability of the meso-dyad-rich polymer in water below the LCST, and gain information on the features of the interchain junctions as a function of tacticity. Simulations carried out above the LCST display the PNIPAM transition to the insoluble state and do not detect a relevant influence of stereochemistry on the structure of the polymer ensemble. The results obtained at 323 K provide an estimate of the swelling ratio of non-stereocontrolled PNIPAM microgels which is in agreement with experimental findings for microgels prepared with low cross-linker/monomer feed ratios. This study represents the first step toward the atomistic modelling of PNIPAM microgels with a controlled tacticity.
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Scheidegger L, Fernández-Rodríguez MÁ, Geisel K, Zanini M, Elnathan R, Richtering W, Isa L. Compression and deposition of microgel monolayers from fluid interfaces: particle size effects on interface microstructure and nanolithography. Phys Chem Chem Phys 2017; 19:8671-8680. [DOI: 10.1039/c6cp07896f] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Controlling the microstructure of monolayers of microgels confined at a water/oil interface is the key to their successful application as nanolithography masks after deposition on a solid substrate.
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Affiliation(s)
- Laura Scheidegger
- Laboratory for Interfaces
- Soft Matter and Assembly
- Department of Materials
- ETH Zurich
- 8093 Zurich
| | | | - Karen Geisel
- Institute of Physical Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Michele Zanini
- Laboratory for Interfaces
- Soft Matter and Assembly
- Department of Materials
- ETH Zurich
- 8093 Zurich
| | - Roey Elnathan
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- Future Industries Institute
- University of South Australia
- Mawson Lakes
- Australia
| | - Walter Richtering
- Institute of Physical Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Lucio Isa
- Laboratory for Interfaces
- Soft Matter and Assembly
- Department of Materials
- ETH Zurich
- 8093 Zurich
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9
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Begum R, Farooqi ZH, Khan SR. Poly(N-isopropylacrylamide-acrylic acid) copolymer microgels for various applications: A review. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1180607] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Rey M, Fernández-Rodríguez MÁ, Steinacher M, Scheidegger L, Geisel K, Richtering W, Squires TM, Isa L. Isostructural solid-solid phase transition in monolayers of soft core-shell particles at fluid interfaces: structure and mechanics. SOFT MATTER 2016; 12:3545-57. [PMID: 26948023 DOI: 10.1039/c5sm03062e] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
We have studied the complete two-dimensional phase diagram of a core-shell microgel-laden fluid interface by synchronizing its compression with the deposition of the interfacial monolayer. Applying a new protocol, different positions on the substrate correspond to different values of the monolayer surface pressure and specific area. Analyzing the microstructure of the deposited monolayers, we discovered an isostructural solid-solid phase transition between two crystalline phases with the same hexagonal symmetry, but with two different lattice constants. The two phases corresponded to shell-shell and core-core inter-particle contacts, respectively; with increasing surface pressure the former mechanically failed enabling the particle cores to come into contact. In the phase-transition region, clusters of particles in core-core contacts nucleate, melting the surrounding shell-shell crystal, until the whole monolayer moves into the second phase. We furthermore measured the interfacial rheology of the monolayers as a function of the surface pressure using an interfacial microdisk rheometer. The interfaces always showed a strong elastic response, with a dip in the shear elastic modulus in correspondence with the melting of the shell-shell phase, followed by a steep increase upon the formation of a percolating network of the core-core contacts. These results demonstrate that the core-shell nature of the particles leads to a rich mechanical and structural behavior that can be externally tuned by compressing the interface, indicating new routes for applications, e.g. in surface patterning or emulsion stabilization.
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Affiliation(s)
- Marcel Rey
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.
| | - Miguel Ángel Fernández-Rodríguez
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland. and Biocolloid and Fluid Physics Group, Applied Physics Department, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | - Mathias Steinacher
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland. and Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, California 93106-5080, USA
| | - Laura Scheidegger
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.
| | - Karen Geisel
- Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, 52056 Aachen, Germany
| | - Walter Richtering
- Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, 52056 Aachen, Germany
| | - Todd M Squires
- Department of Chemical Engineering, University of California, Santa Barbara, Santa Barbara, California 93106-5080, USA
| | - Lucio Isa
- Laboratory for Interfaces, Soft Matter and Assembly, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland.
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11
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Magnetically Triggered Monodispersed Nanocomposite Fabricated by Microfluidic Approach for Drug Delivery. INT J POLYM SCI 2016. [DOI: 10.1155/2016/1219469] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Responsive microgel poly(N-isopropylacrylamide) or PNIPAM is a gel that can swell or shrink in response to external stimuli (temperature, pH, etc.). In this work, a nanocomposite gel is developed consisting of PNIPAM and magnetic iron oxide nanobeads for controlled release of liquids (like drugs) upon exposure to an alternating magnetic field. Microparticles of the nanocomposite are fabricated efficiently with a monodisperse size distribution and a diameter ranging from 20 to 500 µm at a rate of up to 1 kHz using a simple and inexpensive microfluidic system. The nanocomposite is heated through magnetic losses, which is exploited for a remotely stimulated liquid release. The efficiency of the microparticles for controlled drug release applications is tested with a solution of Rhodamine B as a liquid drug model. In continuous and pulsatile mode, a release of 7% and 80% was achieved, respectively. Compared to external thermal actuation that heats the entire surrounding or embedded heaters that need complex fabrication steps, the magnetic actuation provides localized heating and is easy to implement with our microfluidic fabrication method.
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12
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Chen H, Kelley M, Guo C, Yarger JL, Dai LL. Adsorption and release of surfactant into and from multifunctional zwitterionic poly(NIPAm-co-DMAPMA-co-AAc) microgel particles. J Colloid Interface Sci 2015; 449:332-40. [DOI: 10.1016/j.jcis.2015.01.064] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 01/23/2015] [Accepted: 01/23/2015] [Indexed: 10/24/2022]
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13
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Zhao W, Nugroho RW, Odelius K, Edlund U, Zhao C, Albertsson AC. In situ cross-linking of stimuli-responsive hemicellulose microgels during spray drying. ACS APPLIED MATERIALS & INTERFACES 2015; 7:4202-15. [PMID: 25630464 PMCID: PMC4535707 DOI: 10.1021/am5084732] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Accepted: 01/29/2015] [Indexed: 05/23/2023]
Abstract
Chemical cross-linking during spray drying offers the potential for green fabrication of microgels with a rapid stimuli response and good blood compatibility and provides a platform for stimuli-responsive hemicellulose microgels (SRHMGs). The cross-linking reaction occurs rapidly in situ at elevated temperature during spray drying, enabling the production of microgels in a large scale within a few minutes. The SRHMGs with an average size range of ∼ 1-4 μm contain O-acetyl-galactoglucomannan as a matrix and poly(acrylic acid), aniline pentamer (AP), and iron as functional additives, which are responsive to external changes in pH, electrochemical stimuli, magnetic field, or dual-stimuli. The surface morphologies, chemical compositions, charge, pH, and mechanical properties of these smart microgels were evaluated using scanning electron microscopy, IR, zeta potential measurements, pH evaluation, and quantitative nanomechanical mapping, respectively. Different oxidation states were observed when AP was introduced, as confirmed by UV spectroscopy and cyclic voltammetry. Systematic blood compatibility evaluations revealed that the SRHMGs have good blood compatibility. This bottom-up strategy to synthesize SRHMGs enables a new route to the production of smart microgels for biomedical applications.
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Affiliation(s)
- Weifeng Zhao
- Fiber
and Polymer Technology, School of Chemical Science and Engineering, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Robertus Wahyu
N. Nugroho
- Fiber
and Polymer Technology, School of Chemical Science and Engineering, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Karin Odelius
- Fiber
and Polymer Technology, School of Chemical Science and Engineering, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Ulrica Edlund
- Fiber
and Polymer Technology, School of Chemical Science and Engineering, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
| | - Changsheng Zhao
- College
of Polymer Science and Engineering, State Key Laboratory of Polymer
Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Ann-Christine Albertsson
- Fiber
and Polymer Technology, School of Chemical Science and Engineering, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden
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14
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Abstract
Responsive polymers have found numerous applications over the years. This review highlights their use as components of photonic materials, with emphasis on responsive polymer-based etalons. The use of these materials for sensing and biosensing is detailed.
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Affiliation(s)
- Yongfeng Gao
- Department of Chemistry
- University of Alberta
- Edmonton
- Canada
| | - Xue Li
- Department of Chemistry
- University of Alberta
- Edmonton
- Canada
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15
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Geisel K, Richtering W, Isa L. Highly ordered 2D microgel arrays: compression versus self-assembly. SOFT MATTER 2014; 10:7968-76. [PMID: 25154634 DOI: 10.1039/c4sm01166j] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Monolayers of micro- and nanoparticles at fluid interfaces are a key component in a variety of applications, ranging from particle lithography to stabilizers in foams or emulsions. In addition to commonly used "hard" colloids, soft polymeric particles like microgels are attracting increasing attention due to their potential in the fabrication of tailored and responsive assemblies. In particular, regular hexagonal arrays of microgels have been previously deposited after assembly at a fluid interface. While the arrangement cannot be easily controlled after adsorption and self-assembly from the bulk phase, specific structures can be achieved by compressing an interfacial microgel monolayer spread in a Langmuir trough and by transferring it onto substrates at distinct compression states. The degree of ordering after compression surpasses the one that is reached after self-assembly from the bulk and is, in general, independent from the presence of charges and different microgel morphologies. As a consequence, by monitoring the surface pressure during compression it is possible to produce highly ordered microgel arrays where the interparticle distance can be systematically and externally controlled.
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Affiliation(s)
- Karen Geisel
- Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, 52056 Aachen, Germany
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16
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Sigolaeva LV, Gladyr SY, Gelissen APH, Mergel O, Pergushov DV, Kurochkin IN, Plamper FA, Richtering W. Dual-Stimuli-Sensitive Microgels as a Tool for Stimulated Spongelike Adsorption of Biomaterials for Biosensor Applications. Biomacromolecules 2014; 15:3735-45. [DOI: 10.1021/bm5010349] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Larisa V. Sigolaeva
- Department
of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Snezhana Yu. Gladyr
- Department
of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Arjan P. H. Gelissen
- Institute
of Physical Chemistry II, RWTH Aachen University, 52056 Aachen, Germany
| | - Olga Mergel
- Institute
of Physical Chemistry II, RWTH Aachen University, 52056 Aachen, Germany
| | - Dmitry V. Pergushov
- Department
of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Ilya N. Kurochkin
- Department
of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Felix A. Plamper
- Institute
of Physical Chemistry II, RWTH Aachen University, 52056 Aachen, Germany
| | - Walter Richtering
- Institute
of Physical Chemistry II, RWTH Aachen University, 52056 Aachen, Germany
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