About: Surface ablation of PLLA induced by KrF excimer laser

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.apsusc.2013.06.127
Description	The surface characterization of PLLA (poly-L-lactic-acid) and its ablation due to excimer laser treatment is introduced in this paper. The main focus is to determine surface wettability and morphology changes in combination with changes of surface chemistry. The ablation loss and the determination of ablation threshold were used to study the biopolymer stability when treated to different laser fluences and pulse counts. The surface polarity was estimated using goniometry. AFM (atomic force microscopy) was used to determine the polymer surface morphology and roughness. The excimer laser has a strong effect on the polymer ablation. The thickness loss is strongly dependent on the laser fluence and number of pulses. For the fluences up to 30 mJ cm(-2) and 6000 pulses achieved ablation about 5 mu m. The glass transition temperature and melting point were determined for the pristine and laser treated films. The increasing pulsed laser fluence leads to the major changes in roughness and morphology. The surface chemistry depends strongly on number of laser pulses. The surface characterization of PLLA (poly-L-lactic-acid) and its ablation due to excimer laser treatment is introduced in this paper. The main focus is to determine surface wettability and morphology changes in combination with changes of surface chemistry. The ablation loss and the determination of ablation threshold were used to study the biopolymer stability when treated to different laser fluences and pulse counts. The surface polarity was estimated using goniometry. AFM (atomic force microscopy) was used to determine the polymer surface morphology and roughness. The excimer laser has a strong effect on the polymer ablation. The thickness loss is strongly dependent on the laser fluence and number of pulses. For the fluences up to 30 mJ cm(-2) and 6000 pulses achieved ablation about 5 mu m. The glass transition temperature and melting point were determined for the pristine and laser treated films. The increasing pulsed laser fluence leads to the major changes in roughness and morphology. The surface chemistry depends strongly on number of laser pulses. (en)
Title	Surface ablation of PLLA induced by KrF excimer laser Surface ablation of PLLA induced by KrF excimer laser (en)
skos:prefLabel	Surface ablation of PLLA induced by KrF excimer laser Surface ablation of PLLA induced by KrF excimer laser (en)
skos:notation	RIV/60461373:22320/13:43895756!RIV14-GA0-22320___
http://linked.open...avai/predkladatel	Fakulta technologie ochrany prostředí
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA13-06609S), P(GAP108/12/1168)
http://linked.open...iv/cisloPeriodika	OCT 15 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Sajdl, Petr
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	Vysoká škola chemicko-technologická v Praze / Fakulta technologie ochrany prostředí
http://linked.open...dnocenehoVysledku	109063
http://linked.open...ai/riv/idVysledku	RIV/60461373:22320/13:43895756
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Morphology; Ablation; Surface chemistry; Excimer laser; PLLA (en)
http://linked.open.../riv/klicoveSlovo	Ablation PLLA Morphology Surface chemistry Excimer laser
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B516CAFFB27D]
http://linked.open...i/riv/nazevZdroje	Applied Surface Science
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Příprava nano a mikrostruktur na substrátu interakcí s laserovým svazkem Carbon nanolayers, nanostructures and nanoparticles on substrates for potential application in medicine and electronics
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	283
http://linked.open...iv/tvurceVysledku	Sajdl, Petr Slepička, Petr Fitl, Přemysl Michaljaničová, Iva Švorčík, Adam
http://linked.open...ain/vavai/riv/wos	000323601700063
issn	0169-4332
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.apsusc.2013.06.127
http://localhost/t...ganizacniJednotka	22320

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