About: Cell adhesion on modified polyethylene

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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/10.1023/a:1014319522689
Description	Polyethylene (PE) was irradiated with 10 and 63 keV Ar+ ions to fluences of 1 x 10(17) to 3 x 10(19) m(-2) and then it was grafted with aminoacid (alanine). The changes of surface polarity, electrical conductivity, and oxygen concentration were examined on pristine, as-irradiated, and irradiated-grafted PE. The in vitro adhesion of mice fibroblasts on the modified PE was evaluated 24 hours after inoculation. It was proved that for the PE irradiated at 10 keV ion energy, the presence of chemically bound alanine increases cell adhesion and its homogenity. For PE irradiated with 63 keV ions, however, the alanine grafting leads to a reduction of the number of adhering cells. It was found that a rising surface polarity increases cell adhesion, but when its value is too high the cell adhesion starts to decrease. No correlation between electrical conductivity and cell adhesion was observed. In general, higher cell adhesion is observed on modified PE in comparison with pristine one. Polyethylene (PE) was irradiated with 10 and 63 keV Ar+ ions to fluences of 1 x 10(17) to 3 x 10(19) m(-2) and then it was grafted with aminoacid (alanine). The changes of surface polarity, electrical conductivity, and oxygen concentration were examined on pristine, as-irradiated, and irradiated-grafted PE. The in vitro adhesion of mice fibroblasts on the modified PE was evaluated 24 hours after inoculation. It was proved that for the PE irradiated at 10 keV ion energy, the presence of chemically bound alanine increases cell adhesion and its homogenity. For PE irradiated with 63 keV ions, however, the alanine grafting leads to a reduction of the number of adhering cells. It was found that a rising surface polarity increases cell adhesion, but when its value is too high the cell adhesion starts to decrease. No correlation between electrical conductivity and cell adhesion was observed. In general, higher cell adhesion is observed on modified PE in comparison with pristine one. (en)
Title	Cell adhesion on modified polyethylene Cell adhesion on modified polyethylene (en)
skos:prefLabel	Cell adhesion on modified polyethylene Cell adhesion on modified polyethylene (en)
skos:notation	RIV/00216208:11120/02:00003598!RIV12-GA0-11120___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/99/1626), P(KSK1010104), Z(AV0Z1048901)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Dvořánková, Barbora Brož, L.
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	Univerzita Karlova v Praze / 3. lékařská fakulta
http://linked.open...dnocenehoVysledku	640250
http://linked.open...ai/riv/idVysledku	RIV/00216208:11120/02:00003598
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Beam-Modified Polyethylene; Smooth-Muscle Cells; Proliferation; Biocompatibility (en)
http://linked.open.../riv/klicoveSlovo	Proliferation Beam-Modified Polyethylene Smooth-Muscle Cells Biocompatibility
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[04B25F19DA3C]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Science
http://linked.open...in/vavai/riv/obor	EI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Condensed matter physics and materials science Polymers modified by ion beams for tissue engineering
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Dvořánková, Barbora Brož, Ludomír Švorčík, V.
http://linked.open...ain/vavai/riv/wos	000174072100015
http://linked.open...n/vavai/riv/zamer	Theoretical and experimental investigation of atomic nuclei and exploitation of nuclear methods in interdisciplinary research
issn	0022-2461
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1023/A:1014319522689
http://localhost/t...ganizacniJednotka	11120

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