{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T10:16:20Z","timestamp":1787739380764,"version":"build-2784847793"},"reference-count":47,"publisher":"Wiley","issue":"41","license":[{"start":{"date-parts":[[2019,8,25]],"date-time":"2019-08-25T00:00:00Z","timestamp":1566691200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003495","name":"Hessisches Ministerium f\u00fcr Wissenschaft und Kunst","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003495","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2019,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Functionalized ordered mesoporous silica materials are commonly investigated for applications such as drug release, sensing, and separation processes. Although, various homopolymer functionalized responsive mesopores are reported, little focus has been put on copolymers in mesopores. Mesoporous silica films are functionalized with responsive and orthogonally charged block\u2010co\u2010oligomers. Responsive 2\u2010dimethylamino)ethyl methacrylate)\u2010block\u20102\u2010(methacryloyloxy)ethyl phosphate (DMAEMA\u2010<jats:italic>b<\/jats:italic>\u2010MEP) block\u2010co\u2010oligomers are introduced into mesoporous films using controlled photoiniferter initiated polymerization. This approach allows a very flexible charge composition design. The obtained block\u2010co\u2010oligomer functionalized mesopores show a complex gating behavior indicating a strong interplay between the different blocks emphasizing the strong influence of charge distribution inside mesopores on ionic pore accessibility. For example, in contrast to mesopores functionalized with zwitterionic polymers, DMAEMA\u2010<jats:italic>b<\/jats:italic>\u2010MEP block\u2010co\u2010oligomer functionalized mesopores, containing two oppositely charged blocks, do not show bipolar ion exclusion, demonstrating the influence of the chain architecture on mesopore accessibility. Furthermore, ligand binding\u2013based selective gating is strongly influenced by this chain architecture as demonstrated by an expansion of pore accessibility states for block\u2010co\u2010oligomer functionalized mesopores as compared to the individual polyelectrolyte functionalization for calcium induced gating.<\/jats:p>","DOI":"10.1002\/smll.201902710","type":"journal-article","created":{"date-parts":[[2019,8,26]],"date-time":"2019-08-26T06:50:57Z","timestamp":1566802257000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Influence of Chain Architecture on Nanopore Accessibility in Polyelectrolyte Block\u2010Co\u2010Oligomer Functionalized Mesopores"],"prefix":"10.1002","volume":"15","author":[{"given":"Robert","family":"Brilmayer","sequence":"first","affiliation":[{"name":"Ernst\u2010Berl\u2010Institut f\u00fcr Technische und Makromolekulare Chemie Technische Universit\u00e4t Darmstadt  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