About: Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect

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About: Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The surfaces of electrospun polystyrene (PS) nanofiber materials with encapsulated 1% w/w 5,10,15,20-tetraphenylporphyrin (TPP) photosensitizer were modified through sulfonation, radio frequency (RF) oxygen plasma treatment, and polydopamine coating. The nanofiber materials exhibited efficient photogeneration of singlet oxygen. The postprocessing modifications strongly increased the wettability of the pristine hydrophobic PS nanofibers without causing damage to the nanofibers, leakage of the photosensitizer, or any substantial change in the oxygen permeability of the inner bulk of the polymer nanofiber. The increase in the surface wettability yielded a significant increase in the photo-oxidation of external polar substrates and in the antibacterial activity of the nanofibers in aqueous surroundings. The surfaces of electrospun polystyrene (PS) nanofiber materials with encapsulated 1% w/w 5,10,15,20-tetraphenylporphyrin (TPP) photosensitizer were modified through sulfonation, radio frequency (RF) oxygen plasma treatment, and polydopamine coating. The nanofiber materials exhibited efficient photogeneration of singlet oxygen. The postprocessing modifications strongly increased the wettability of the pristine hydrophobic PS nanofibers without causing damage to the nanofibers, leakage of the photosensitizer, or any substantial change in the oxygen permeability of the inner bulk of the polymer nanofiber. The increase in the surface wettability yielded a significant increase in the photo-oxidation of external polar substrates and in the antibacterial activity of the nanofibers in aqueous surroundings. (en)
Title	Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect (en)
skos:prefLabel	Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect Superhydrophilic polystyrene nanofiber materials generating O2(1Δg): postprocessing surface modifications toward efficient antibacterial effect (en)
skos:notation	RIV/61388980:_____/14:00432253!RIV15-GA0-61388980
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-12496S), P(GAP108/12/0910)
http://linked.open...iv/cisloPeriodika	15
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Mosinger, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	48563
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/14:00432253
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antibacterial; nanofiber; photo-oxidation; singlet oxygen (en)
http://linked.open.../riv/klicoveSlovo	singlet oxygen photo-oxidation nanofiber antibacterial
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[88C3E89E013D]
http://linked.open...i/riv/nazevZdroje	ACS Applied Materials and Interfaces
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Fabrication, structuring and treatment of nanocrystalline diamonds for antibacterial studies Multifunctional photoactive nanofiber materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Forstová, J. Kubát, Pavel Mosinger, Jiří Artemenko, Anna Kozak, Halyna Henke, P.
http://linked.open...ain/vavai/riv/wos	000340446300143
issn	1944-8244
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/am502917w

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