PMID- 25295485 OWN - NLM STAT- MEDLINE DCOM- 20160503 LR - 20211021 IS - 2192-2659 (Electronic) IS - 2192-2640 (Print) IS - 2192-2640 (Linking) VI - 4 IP - 3 DP - 2015 Feb 18 TI - N-trimethylchitosan/alginate layer-by-layer self assembly coatings act as "fungal repellents" to prevent biofilm formation on healthcare materials. PG - 469-75 LID - 10.1002/adhm.201400428 [doi] AB - Fungal biofilm formation on healthcare materials is a significant clinical concern, often leading to medical-device-related infections, which are difficult to treat. A novel fungal repellent strategy is developed to control fungal biofilm formation. Methylacrylic acid (MAA) is grated onto poly methyl methacrylate (PMMA)-based biomaterials via plasma-initiated grafting polymerization. A cationic polymer, trimethylchitosan (TMC), is synthesized by reacting chitosan with methyl iodide. Sodium alginate (SA) is used as an anionic polymer. TMC/SA multilayers are coated onto the MAA-grafted PMMA via layer-by-layer self-assembly. The TMC/SA multilayer coatings significantly reduce fungal initial adhesion, and effectively prevent fungal biofilm formation. It is concluded that the anti-adhesive property of the surface is due to its hydrophilicity, and that the biofilm-inhibiting action is attributed to the antifungal activity of TMC as well as the chelating function of TMC and SA, which may have acted as fungal repellents. Phosphate buffered saline (PBS)-immersion tests show that the biofilm-modulating effect of the multilayer coatings is stable for more than 4 weeks. Furthermore, the presence of TMC/SA multilayer coatings improves the biocompatibility of the original PMMA, offering a simple, yet effective, strategy for controlling fungal biofilm formation. CI - (c) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. FAU - Jiang, Fuguang AU - Jiang F AD - Department of Chemistry, University of Massachusetts, Lowell, MA, 01854, USA. FAU - Yeh, Chih-Ko AU - Yeh CK FAU - Wen, Jianchuan AU - Wen J FAU - Sun, Yuyu AU - Sun Y LA - eng GR - I01 BX001103/BX/BLRD VA/United States GR - R01 DE021084/DE/NIDCR NIH HHS/United States GR - R03 DE018735/DE/NIDCR NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20141008 PL - Germany TA - Adv Healthc Mater JT - Advanced healthcare materials JID - 101581613 RN - 0 (Alginates) RN - 0 (Antifungal Agents) RN - 0 (Coated Materials, Biocompatible) RN - 0 (Hexuronic Acids) RN - 0 (N-trimethyl chitosan chloride) RN - 8A5D83Q4RW (Glucuronic Acid) RN - 9011-14-7 (Polymethyl Methacrylate) RN - 9012-76-4 (Chitosan) SB - IM MH - Alginates/chemistry/*pharmacology MH - Antifungal Agents/chemistry/*pharmacology MH - Biofilms/drug effects MH - Candida albicans/*drug effects/physiology MH - Chitosan/chemistry/*pharmacology MH - Coated Materials, Biocompatible/*chemistry/pharmacology MH - Glucuronic Acid/chemistry/pharmacology MH - Hexuronic Acids/chemistry/pharmacology MH - Polymethyl Methacrylate/chemistry PMC - PMC4425286 MID - NIHMS679338 OTO - NOTNLM OT - alginate OT - fungal biofilms OT - layer-by-layer coatings OT - trimethylchitosan EDAT- 2014/10/09 06:00 MHDA- 2016/05/04 06:00 PMCR- 2016/02/18 CRDT- 2014/10/09 06:00 PHST- 2014/07/22 00:00 [received] PHST- 2014/08/28 00:00 [revised] PHST- 2014/10/09 06:00 [entrez] PHST- 2014/10/09 06:00 [pubmed] PHST- 2016/05/04 06:00 [medline] PHST- 2016/02/18 00:00 [pmc-release] AID - 10.1002/adhm.201400428 [doi] PST - ppublish SO - Adv Healthc Mater. 2015 Feb 18;4(3):469-75. doi: 10.1002/adhm.201400428. Epub 2014 Oct 8.