Oliver Wrede
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View article: Acrylamide precipitation polymerization in a continuous flow reactor: an in situ FTIR study reveals kinetics
Acrylamide precipitation polymerization in a continuous flow reactor: an in situ FTIR study reveals kinetics Open
In this work, we present a combination of a continuous flow reactor with in situ monitoring of the monomer conversion in a precipitation polymerization. The flow reactor is equipped with a preheating area for the synthesis of thermorespons…
View article: Contrast variation SANS measurement of shell monomer density profiles of smart core–shell microgels
Contrast variation SANS measurement of shell monomer density profiles of smart core–shell microgels Open
The radial density profile of deuterated poly(N,n-propyl acrylamide) shell monomers within core–shell microgels has been studied by small-angle neutron scattering in order to shed light on the origin of their linear thermally-induced swell…
View article: Resolving the internal morphology of core–shell microgels with super-resolution fluorescence microscopy
Resolving the internal morphology of core–shell microgels with super-resolution fluorescence microscopy Open
We investigate the internal structure of smart core–shell microgels by super-resolution fluorescence microscopy by combining of 3D single molecule localization and structured illumination microscopy using freely diffusing fluorescent dyes.
View article: Volume phase transition kinetics of smart N-n-propylacrylamide microgels studied by time-resolved pressure jump small angle neutron scattering
Volume phase transition kinetics of smart N-n-propylacrylamide microgels studied by time-resolved pressure jump small angle neutron scattering Open
The use of smart colloidal microgels for advanced applications critically depends on their response kinetics. We use pressure jump small angle neutron scattering with supreme time resolution to study the rapid volume phase transition kinet…
View article: Core–Shell Microgel-Based Surface Coatings with Linear Thermoresponse
Core–Shell Microgel-Based Surface Coatings with Linear Thermoresponse Open
We study the swelling and shrinking behavior of core-shell microgels adsorbed on silicon wafers. In these systems, the core is made of cross-linked poly(N-isopropylmethacrylamide) and the shell consists of cross-linked poly(N-n-propylacryl…
View article: Smart Homopolymer Microgels: Influence of the Monomer Structure on the Particle Properties
Smart Homopolymer Microgels: Influence of the Monomer Structure on the Particle Properties Open
In this work, we compare the properties of smart homopolymer microgels based on N-n-propylacrylamide (NNPAM), N-isopropylacrylamide (NIPAM) and N-isopropylmethacrylamide (NIPMAM) synthesized under identical conditions. The particles are st…