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Regensburg 2022 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 12: Poster 1

CPP 12.31: Poster

Monday, September 5, 2022, 18:00–20:00, P1

Non-invasively induced amphiphilic self-assemblies from orthogonally switchable block copolymers — •Peiran Zhang1, René Steinbrecher2, Andre Laschewsky2,3, Peter Müller-Buschbaum4, and Christine M. Papadakis11Fachgebiet Physik weicher Materie, Physik-Department, TU München, Garching — 2Institut für Chemie, Universität Potsdam — 3Fraunhofer IAP, Potsdam-Golm — 4Lehrstuhl für Funktionelle Materialien, Physik-Department, TU München, Garching

Amphiphilic self-assemblies arising from orthogonally switchable block copolymers are promising candidate in drug delivery, due to their structure and transformation diversity, which is superior to the presently most studied singly responsive copolymers [1]. To induce this process completely non-invasively, light in combination with temperature is utilized as the stimulus. Introduction of suitable photoactive functional groups could modulate the LCST of the copolymer, thereby achieving the stage that all aggregate scenarios could be concluded in a certain temperature range. For characterization of the copolymer structure, measurements are implemented by dynamic light scattering (DLS), small angle X-ray scattering (SAXS) and -neutron scattering (SANS), while the phase behavior as well as phase transition kinetics are investigated by the time-resolved scattering methods.

[1] C. M. Papadakis, et al., Langmuir 2019, 35, 9660-9676.

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