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Conventional drug delivery methods, such as antibiotic eye drops, have limitations for intraocular drug delivery due to the intrinsic barrier effect of the cornea. Therefore, frequent instillation of antibiotic eyedrops is necessary to reach a sufficient bactericidal concentration inside the eye. In this study, an intraocular implant, <jats:italic>MXF-HA<\/jats:italic>, that combines hyaluronic acid (HA) and moxifloxacin (MXF) was developed to increase the efficiency of intraocular drug delivery after surgery. MXF-HA is manufactured as a thin, transparent, yellow-tinted membrane. When inserted into the eye in a dry state, MXF-HA is naturally hydrated and settles in the eye, and the MXF contained therein is delivered by hydrolysis of the polymer over time. It was confirmed through in vivo experiments that MXF delivery was maintained in the anterior chamber of the eye at a concentration sufficient to inhibit <jats:italic>Pseudomonas aeruginosa<\/jats:italic> and <jats:italic>Staphylococcus aureus<\/jats:italic> for more than 5\u00a0days after implantation. These results suggest that MXF-HA can be utilized as a potential drug delivery method for the prevention and treatment of bacterial infections after ophthalmic surgery.<\/jats:p>","DOI":"10.1038\/s41598-021-03605-0","type":"journal-article","created":{"date-parts":[[2021,12,16]],"date-time":"2021-12-16T11:07:13Z","timestamp":1639652833000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Moxifloxacin releasing intraocular implant based on a cross-linked hyaluronic acid membrane"],"prefix":"10.1038","volume":"11","author":[{"given":"Dong Ju","family":"Kim","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mi-Young","family":"Jung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joo-Hee","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ha-Jin","family":"Pak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martha","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roy S.","family":"Chuck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Choul Yong","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,12,16]]},"reference":[{"key":"3605_CR1","doi-asserted-by":"publisher","first-page":"5872","DOI":"10.1167\/iovs.16-19894","volume":"57","author":"W Wang","year":"2016","unstructured":"Wang, W. et al. 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