% IMPORTANT: The following is UTF-8 encoded. This means that in the presence % of non-ASCII characters, it will not work with BibTeX 0.99 or older. % Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or % “biber”. @PHDTHESIS{Hengsbach:960882, author = {Hengsbach, Rebecca}, othercontributors = {Simon, Ulrich and Wöll, Dominik}, title = {{M}ultifunktionale {M}ikrogel-{DNA}-{H}ybridsysteme}, school = {RWTH Aachen University}, type = {Dissertation}, address = {Aachen}, publisher = {RWTH Aachen University}, reportid = {RWTH-2023-06486}, pages = {1 Online-Ressource : Illustrationen, Diagramme}, year = {2023}, note = {Veröffentlicht auf dem Publikationsserver der RWTH Aachen University; Dissertation, RWTH Aachen University, 2023}, abstract = {Within this work multifunctional microgel-DNA-hybrid systems were created and investigated. The covalent binding of DNA inside of microgels leads to a combination of their properties which is of great interest regarding biomedical application. The first part of this work showed a changed volume phase transition of microgels by incorporation of the DNA. This was analyzed by NMR measurements. Regarding biomedical applications the phase transition was examined in different concentrations of NaCl as well as in PBS. It was shown that the phase transition is around body temperature in PBS. In the second part of this work a regioselective DNA functionalization of microgels in the inside was examined. For this core-shell microgels were created. The core microgels did contain disulfides, which were used for the DNA functionalization. An adjustment of the thickness of the shell was achieved by variation of the synthesis. The localization of the disulfides was shown via dSTORM and the localization of the DNA functionalization was examined via DNA-PAINT. In both cases a localization of the dyes was shown in the inner parts of the microgels but not restricted to the core only. In the third part of this work substrates for a targeted immobilization of DNA functionalized microgels in their native structure were developed. Commercially available and own ITO substrates were compared and 2-(4-chlorosulfonylphenyle)ethyltrimethoxy-silane as well as a comparable silane-derivate synthesized at the surface were used. The production of ITO substrates and the surface bound synthesis of the silane-derivate should have been optimized and showed nice results. A localized labeling with dyes inside of a pattern produced via chemical electron beam lithography was partially successful.}, cin = {151310 / 150000}, ddc = {540}, cid = {$I:(DE-82)151310_20140620$ / $I:(DE-82)150000_20140620$}, pnm = {SFB 985 A06 - Oberflächengebundene Mikrogele und Mikrogel-Überstrukturen – Synthese, Schaltverhalten und Bildgebung (A06) (221468158) / DFG project 191948804 - SFB 985: Funktionelle Mikrogele und Mikrogelsysteme (191948804)}, pid = {G:(GEPRIS)221468158 / G:(GEPRIS)191948804}, typ = {PUB:(DE-HGF)11}, doi = {10.18154/RWTH-2023-06486}, url = {https://publications.rwth-aachen.de/record/960882}, }