Deswelling behaviour of ionic microgel particles from low to ultra-high densities

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title = "Deswelling behaviour of ionic microgel particles from low to ultra-high densities",
abstract = "The swelling of ionic microgel particles is investigated at a wide range of concentrations using a combination of light, X-ray and neutron scattering techniques. We employ a zero-average contrast approach for small-angle neutron scattering experiments, which enables a direct determination of the form factor at high concentrations. The observed particle size initially decreases strongly with the particle concentration in the dilute regime but approaches a constant value at intermediate concentrations. This is followed by a further deswelling at high concentrations above particle overlap. Theory and experiments point at a pivotal contribution of dangling polymer ends to the strong variation in size of ionic microgels, which presents itself mainly through the hydrodynamics properties of the system.",
author = "Sofi N{\"o}jd and Peter Holmqvist and Niels Boon and Marc Obiols-Rabasa and Mohanty, {Priti S.} and Ralf Schweins and Peter Schurtenberger",
year = "2018",
month = "1",
day = "1",
doi = "10.1039/c8sm00390d",
language = "English",
volume = "14",
pages = "4150--4159",
journal = "Soft Matter",
issn = "1744-6848",
publisher = "Royal Society of Chemistry",
number = "20",