6533b858fe1ef96bd12b6555

RESEARCH PRODUCT

Elastic Superhydrophobic and Photocatalytic Active Films Used as Blood Repellent Dressing.

Werner SteffenYuling SunLijun YeVolker MailänderVolker MailänderSeraphine V. WegnerFei ChenMinghan HuJie LiuMichael KapplHans-jürgen Butt

subject

Materials scienceLightSurface PropertiesComposite filmBiocompatible Materialsmacromolecular substances02 engineering and technologySubstrate (printing)engineering.material010402 general chemistry01 natural sciencesCatalysischemistry.chemical_compoundCoatingMaterials TestingEscherichia coliHumansGeneral Materials ScienceComposite materialElasticity (economics)Escherichia coli InfectionsTitaniumHemostasisMechanical Engineeringtechnology industry and agriculture021001 nanoscience & nanotechnologyBiocompatible materialBandagesElasticity0104 chemical sciencesAnti-Bacterial AgentschemistryMechanics of MaterialsTitanium dioxidePhotocatalysisengineeringNanoparticles0210 nano-technologyScience technology and societyHydrophobic and Hydrophilic Interactions

description

Durable and biocompatible superhydrophobic surfaces are of significant potential use in biomedical applications. Here, a nonfluorinated, elastic, superhydrophobic film that can be used for medical wound dressings to enhance their hemostasis function is introduced. The film is formed by titanium dioxide nanoparticles, which are chemically crosslinked in a poly(dimethylsiloxane) (PDMS) matrix. The PDMS crosslinks result in large strain elasticity of the film, so that it conforms to deformations of the substrate. The photocatalytic activity of the titanium dioxide provides surfaces with both self-cleaning and antibacterial properties. Facile coating of conventional wound dressings is demonstrated with this composite film and then resulting improvement for hemostasis. High gas permeability and water repellency of the film will provide additional benefit for medical applications.

yearjournalcountryeditionlanguage
2020-02-03Advanced materials (Deerfield Beach, Fla.)
10.1002/adma.201908008https://pubmed.ncbi.nlm.nih.gov/32009264