Matches in SemOpenAlex for { <https://semopenalex.org/work/W4207055369> ?p ?o ?g. }
- W4207055369 abstract "Controllably coating the surfaces of substrates/medical devices with hydrogels exhibits great application potential, but lacks universal techniques. Herein, a new method, namely ultraviolet-triggered surface catalytically initiated radical polymerization (UV-SCIRP) from a sticky initiation layer (SIL) (SIL@UV-SCIRP), is proposed for growing hydrogel coatings. The method involves three key steps: 1) depositing a sticky polydopamine/Fe3+ coating on the surface of the substrates-SIL, 2) reducing Fe3+ ions to Fe2+ ions as active catalysts by UV illumination with the assistance of citric acid, and 3) conducting SCIRP in a monomer solution at room temperature for growing hydrogel coatings. In this manner, practically any substrate's surface (natural or artificial materials) can be modified by hydrogel coatings with controllable thickness and diverse compositions. The hydrogel coatings exhibit good interface bonding with the substrates and enable easy changes in their wettability and lubrication performances. Importantly, this novel method facilitates the smooth growth of uniform hydrogel lubrication coatings on the surface of a range of medical devices with complex geometries. Finally, as a proof-of-concept, the slippery balls coated with hydrogel exhibited smooth movement within the catheter and esophagus. Hence, this method can prove to be a pioneering universal modification tool, especially in surface/interface science and engineering." @default.
- W4207055369 created "2022-01-26" @default.
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- W4207055369 date "2022-02-05" @default.
- W4207055369 modified "2023-10-15" @default.
- W4207055369 title "A Universal Strategy for Growing a Tenacious Hydrogel Coating from a Sticky Initiation Layer" @default.
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- W4207055369 doi "https://doi.org/10.1002/adma.202108889" @default.
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