About: Poly-L-lactic acid modified by etching and grafting with gold nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work is focused on characterization of plasma treated and consequently etched and grafted biocompatible polymer poly(l-lactide acid) (PLLA). The interaction of biodegradable polymers with cold plasma is of a great importance in a tissue engineering and surface science. Cold plasma exposure, grafting with gold nanoparticles and etching processes were successfully applied to biopolymer substrate. A method for biopolymer nanostructuring as combination of cold plasma treatment and Au nanoparticle grafting for biocompatibility improvement is introduced. Surface roughness, morphology and surface chemistry was determined. The plasma modification leads to significant increase in surface roughness of PLLA and appearance of sharp spikes and ridges on the PLLA surface. Modification by grafting and etching leads to significant changes in PLLA surface morphology and chemistry. The surface ablation of PLLA has been proved to be significant. In etching of plasma-modified PLLA, methanol proves to be stronger etching agent than water. The grafting of PLLA with gold nanoparticles improved mouse embryonic fibroblasts (NIH 3T3) adhesion and proliferation significantly. This work is focused on characterization of plasma treated and consequently etched and grafted biocompatible polymer poly(l-lactide acid) (PLLA). The interaction of biodegradable polymers with cold plasma is of a great importance in a tissue engineering and surface science. Cold plasma exposure, grafting with gold nanoparticles and etching processes were successfully applied to biopolymer substrate. A method for biopolymer nanostructuring as combination of cold plasma treatment and Au nanoparticle grafting for biocompatibility improvement is introduced. Surface roughness, morphology and surface chemistry was determined. The plasma modification leads to significant increase in surface roughness of PLLA and appearance of sharp spikes and ridges on the PLLA surface. Modification by grafting and etching leads to significant changes in PLLA surface morphology and chemistry. The surface ablation of PLLA has been proved to be significant. In etching of plasma-modified PLLA, methanol proves to be stronger etching agent than water. The grafting of PLLA with gold nanoparticles improved mouse embryonic fibroblasts (NIH 3T3) adhesion and proliferation significantly. (en)
Title	Poly-L-lactic acid modified by etching and grafting with gold nanoparticles Poly-L-lactic acid modified by etching and grafting with gold nanoparticles (en)
skos:prefLabel	Poly-L-lactic acid modified by etching and grafting with gold nanoparticles Poly-L-lactic acid modified by etching and grafting with gold nanoparticles (en)
skos:notation	RIV/60461373:22330/13:43895729!RIV14-GA0-22330___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GBP108/12/G108)
http://linked.open...iv/cisloPeriodika	17
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Rimpelová, Silvie Ruml, Tomáš
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 potravinářské a biochemické technologie
http://linked.open...dnocenehoVysledku	97075
http://linked.open...ai/riv/idVysledku	RIV/60461373:22330/13:43895729
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ar; biomaterial; tissue; cell-adhesion; surface modification; low-sensity polyethylene; Plasma-treated polymers (en)
http://linked.open.../riv/klicoveSlovo	biomaterial Ar surface modification tissue Plasma-treated polymers cell-adhesion low-sensity polyethylene
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D0FD011EF959]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Science
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Preparation, modification and characterization of materials by radiation
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Kolská, Zdeňka Slepička, Petr Švorčík, Václav Ruml, Tomáš Rimpelová, Silvie Slepičková Kasálková, Nikola Michaljaničová, Iva
http://linked.open...ain/vavai/riv/wos	000321271100020
issn	0022-2461
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10853-013-7383-9
http://localhost/t...ganizacniJednotka	22330

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