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Therefore, the classical solvent in the reaction solution is exchanged from water to water\u2013methanol mixtures in a stop\u2010flow lithography process. For cylindrical microgels with a higher methanol content during fabrication, a greater degree of collapsing is observed, and their aspect ratio increases. Furthermore, the collapsing and swelling velocities change with the methanol content, indicating a modified porous structure, which is confirmed by electron microscopy micrographs. Furthermore, swelling patterns of the microgel variants occur during cooling, revealing their thermal response as a highly heterogeneous process. These results show a novel procedure to fabricate PNIPAM microgels of any elongated 2D shape with tailored porous structure and thermoresponsiveness by introducing the cononsolvency effect during stop\u2010flow lithography\u00a0polymerization.<\/jats:p>","DOI":"10.1002\/marc.202300680","type":"journal-article","created":{"date-parts":[[2024,3,10]],"date-time":"2024-03-10T10:58:22Z","timestamp":1710068302000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Porous Anisometric PNIPAM Microgels: Tailored Porous Structure and Thermal Response"],"prefix":"10.1002","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6842-0368","authenticated-orcid":false,"given":"Lea","family":"Steinbeck","sequence":"first","affiliation":[{"name":"Chemical Process Engineering (AVT.CVT) RWTH Aachen University Forckenbeckstra\u00dfe 51 52074 Aachen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0463-5842","authenticated-orcid":false,"given":"Hanna J. 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