| 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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Jonas, Am
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Topics
Publications (13/13 displayed)
- 2015Field-effect memory transistors based on arrays of nanowires of a ferroelectric polymer
- 2014The Ferro- to Paraelectric Curie Transition of a Strongly Confined Ferroelectric Polymercitations
- 2012Optimization of the structural parameters of new potentiometric pH and urea sensors based on polyaniline and a polysaccharide coupling layercitations
- 2011Melting and van der Waals Stabilization of PE Single Crystals Grown from Ultrathin Filmscitations
- 2010pH and Enzymatic Sensors Based on Nanostructured Conductive Polymer Films
- 2010Bidimensional Response Maps of Adaptive Thermo- and pH-Responsive Polymer Brushescitations
- 2006First insights into electrografted polymers by AFM-based force spectroscopycitations
- 2005A theoretical and experimental study of atomic-layer-deposited films onto porous dielectric substrates
- 2005Partial dewetting of polyethylene thin films on rough silicon dioxide surfaces.citations
- 2003Image analysis of transmission electron micrographs of semicrystalline polymers: a comparison with X-ray scattering resultscitations
- 2003Spinodal-like dewetting of thermodynamically-stable thin polymer films.citations
- 2001Characterization of the molecular structure of two highly isotactic polypropylenescitations
- 2000PEEK oligomers as physical model compounds for the polymer. 4. Lamellar microstructure and chain dynamics.citations
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article
Bidimensional Response Maps of Adaptive Thermo- and pH-Responsive Polymer Brushes
Abstract
We depict the collapse transition of adaptive thermo- and pH-responsive copolymer brushes based on poly(di(ethylene glycol) methyl ether methacrylate-co-methacrylic acid) random copolymer chains (P(MEO(2)MA-co-MAA)) by drawing bidimensional (2D) maps of the swelling ratio versus temperature and pH for different brush compositions. The collapse transition is probed by quartz crystal microbalance measurements with dissipation monitoring (QCM-D). While P(MEO(2)MA) brushes exhibit a thermo-collapse transition around 22 degrees C and P(MAA) brushes display a pH-induced collapse transition at pH = 5.5, P(MEO(2)MA-co-MAA) brushes undergo a collapse transition modulated by either temperature or pH from a swollen state at low temperature and high pH to a collapsed state at high temperature and low pH. By varying the composition of the copolymer in MAA units from 4 to 14 mol %, the brushes switch from a pH-modulated thermo-responsive behavior to a temperature-modulated pH-responsive behavior in water. The 2D maps of swelling ratio also illustrate the complex interplay between pH and temperature, and provide a unique view of the response of adaptive brushes.