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Mater. Chem. B"],"abstract":"<jats:p>\n                    This work reports a non-leaching antibacterial TPU strategy\n                    <jats:italic>via<\/jats:italic>\n                    quaternized polyethyleneimine (QPEI). The catheters show broad-spectrum antibacterial activity, good biocompatibility, and effective\n                    <jats:italic>in vitro<\/jats:italic>\n                    and\n                    <jats:italic>in vivo<\/jats:italic>\n                    anti-infection performance.\n                  <\/jats:p>","DOI":"10.1039\/d5tb02938d","type":"journal-article","created":{"date-parts":[[2026,3,30]],"date-time":"2026-03-30T06:01:41Z","timestamp":1774850501000},"page":"4915-4924","update-policy":"https:\/\/doi.org\/10.1039\/rsc_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Polymeric quaternary ammonium enabled contact-active, bulk-stable and biocompatible antibacterial catheters without leaching-dependent antimicrobial additives"],"prefix":"10.1039","volume":"14","author":[{"given":"Yicheng","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruyi","family":"Jiang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Chemical Resource Engineering, Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-6380-3818","authenticated-orcid":false,"given":"Shuai","family":"Gao","sequence":"additional","affiliation":[{"name":"Chengdu Daxan Innovative Medical Tech. 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