| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kamperman, Marleen
University of Groningen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2024Structure-Property Relationships of Granular Hybrid Hydrogels Formed through Polyelectrolyte Complexationcitations
- 2024Structure–Property Relationships of Granular Hybrid Hydrogels Formed through Polyelectrolyte Complexationcitations
- 2023Electrically Conductive and Highly Stretchable Piezoresistive Polymer Nanocomposites via Oxidative Chemical Vapor Depositioncitations
- 2023Electrically Conductive and Highly Stretchable Piezoresistive Polymer Nanocomposites via Oxidative Chemical Vapor Depositioncitations
- 2023Melt electrowritten scaffolds containing fluorescent nanodiamonds for improved mechanical properties and degradation monitoringcitations
- 2023Effect of Dynamically Arrested Domains on the Phase Behavior, Linear Viscoelasticity and Microstructure of Hyaluronic Acid - Chitosan Complex Coacervatescitations
- 2023Effect of Dynamically Arrested Domains on the Phase Behavior, Linear Viscoelasticity and Microstructure of Hyaluronic Acid - Chitosan Complex Coacervatescitations
- 2023Hydrophobically modified complex coacervates for designing aqueous pressure-sensitive adhesivescitations
- 2023Hydrophobically modified complex coacervates for designing aqueous pressure-sensitive adhesivescitations
- 2018Microphase segregation of diblock copolymers studied by the self-consistent field theory of Scheutjens and Fleercitations
- 2017Statistical Paradigm for Organic Optoelectronic Devices : Normal Force Testing for Adhesion of Organic Photovoltaics and Organic Light-Emitting Diodescitations
- 2017Statistical Paradigm for Organic Optoelectronic Devicescitations
- 2015The effect of molecular composition and crosslinking on adhesion of a bio-inspired adhesivecitations
- 2013Towards mesoporous Keggin-type polyoxometalates-systematic study on organic template removalcitations
- 2012A silica sol-gel design strategy for nanostructured metallic materialscitations
- 2012Direct synthesis of inverse hexagonally ordered diblock copolymer/polyoxometalate nanocomposite filmscitations
- 2011Nanocomposite characterization on multiple length scales using μSAXScitations
- 2010Nanomanufacturing of continuous composite nanofibers with confinement-induced morphologiescitations
- 2010Block copolymer directed nanoporous metal thin filmscitations
- 2009Metal nanoparticle - block copolymer composite assembly and disassemblycitations
- 2009Morphology diagram of a diblock copolymer - aluminosilicate nanoparticle systemcitations
- 2008Ordered mesoporous materials from metal nanoparticle-block copolymer self-assemblycitations
- 2008Morphology control in block copolymer/polymer derived ceramic precursor nanocompositescitations
- 2008Direct access to thermally stable and highly crystalline mesoporous transition-metal oxides with uniform porescitations
- 2006Self-assembled structures in electrospun poly(styrene-block-isoprene) fiberscitations
- 2004Ordered mesoporous ceramics stable up to 1500 °C from diblock copolymer mesophasescitations
Places of action
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article
Structure-Property Relationships of Granular Hybrid Hydrogels Formed through Polyelectrolyte Complexation
Abstract
<p>Hybrid hydrogels are hydrogels that exhibit heterogeneity in the network architecture by means of chemical composition and/or microstructure. The different types of interactions, together with structural heterogeneity, which can be created on different length scales, determine the mechanical properties of the final material to a large extent. In this work, the microstructure-mechanical property relationships for a hybrid hydrogel that contains both electrostatic and covalent interactions are investigated. The hybrid hydrogel is composed of a microphase-separated polyelectrolyte complex network (PEC) made of poly(4-styrenesulfonate) and poly(diallyldimethylammonium chloride) within a soft and elastic polyacrylamide hydrogel network. The system exhibits a granular structure, which is attributed to the liquid-liquid phase separation into complex coacervate droplets induced by the polymerization and the subsequent crowding effect of the polyacrylamide chains. The coacervate droplets are further hardened into PEC granules upon desalting the hydrogel. The structure formation is confirmed by a combination of electron microscopic imaging and molecular dynamics simulations. The interpenetration of both networks is shown to enhance the toughness of the resulting hydrogels due to the dissipative behavior of the PEC through the rupture of electrostatic interactions. Upon cyclic loading-unloading, the hydrogels show recovery of up to 80% of their original dissipative behavior in less than 300 s of rest with limited plasticity. The granular architecture and the tough and self-recoverable properties of the designed hybrid networks make them good candidates for applications, such as shape-memory materials, actuators, biological tissue mimics, and elastic substrates for soft sensors.</p>