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Migration channels produced by laser ablation for substrate endothelialization

Identifieur interne : 005E22 ( Istex/Corpus ); précédent : 005E21; suivant : 005E23

Migration channels produced by laser ablation for substrate endothelialization

Auteurs : R. Major ; K. Maksymow ; J. Marczak ; J. M. Lackner ; M. Kot ; B. Major

Source :

Mots-clés :

Abstract

Seeding of cells on functional, biocompatible scaffolds is a crucial step in achievement the desired engineered tissue. In the present study, a pulsed laser modification onto inorganic substrate was made to promote endothelium cells migration and spread. Presented scaffolds were fabricated on carbon and titanium based coatings. Fabricated films provided very good mechanical properties together with a chemical stability preservation. The substrate modification consisted of grid-like template fabrication of micrometer size meshes. The microstructure analysis of laser traces revealed the grain size increase in the zone of laser beam interaction, which exerts an influence on a surface topography. Endothelium cells locomotion was observed within 10 day time period. As a result it was shown that the modified area enhanced cells adhesion with a preferred static behavior. The performed research work improved our understanding on the pulsed laser ablation process and template size influence on cells spatial arrangement. It constituted an important step towards fabrication of inorganic, biocompatible scaffolds for successful substrate endothelialization.


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DOI: 10.2478/v10175-012-0045-2

Links to Exploration step

ISTEX:9A81A4A0A02EC74DA94449ED00421328A9140A21

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Institute of Metallurgy and Materials Science of Polish Academy of Sciences, 25 Reymonta St., 30-059 Cracow, Poland</aff>
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<kwd>endothelial cells migration.</kwd>
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<titleInfo lang="en">
<title>Migration channels produced by laser ablation for substrate endothelialization</title>
</titleInfo>
<titleInfo type="alternative" lang="en" contentType="CDATA">
<title>Migration channels produced by laser ablation for substrate endothelialization</title>
</titleInfo>
<name type="personal">
<namePart type="given">R.</namePart>
<namePart type="family">Major</namePart>
<affiliation>Institute of Metallurgy and Materials Science of Polish Academy of Sciences, 25 Reymonta St., 30-059 Cracow, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">K.</namePart>
<namePart type="family">Maksymow</namePart>
<affiliation>Institute of Metallurgy and Materials Science of Polish Academy of Sciences, 25 Reymonta St., 30-059 Cracow, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">J.</namePart>
<namePart type="family">Marczak</namePart>
<affiliation>Institute of Optoelectronics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">J.M.</namePart>
<namePart type="family">Lackner</namePart>
<affiliation>Joanneum Research Forschungs-GmbH, Materials – Functional Surfaces, 94 Leobner Strasse, Leoben, A-8712 Niklasdorf, Austria</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">M.</namePart>
<namePart type="family">Kot</namePart>
<affiliation>Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, 30 Mickiewicza Ave., 30-059 Cracow, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">B.</namePart>
<namePart type="family">Major</namePart>
<affiliation>Institute of Metallurgy and Materials Science of Polish Academy of Sciences, 25 Reymonta St., 30-059 Cracow, Poland</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<typeOfResource>text</typeOfResource>
<genre type="research-article" displayLabel="research-article"></genre>
<originInfo>
<publisher>Versita</publisher>
<dateIssued encoding="w3cdtf">2012-10-01</dateIssued>
<dateCreated encoding="w3cdtf">2012-10-19</dateCreated>
<copyrightDate encoding="w3cdtf">2012</copyrightDate>
</originInfo>
<language>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
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<abstract lang="en">Seeding of cells on functional, biocompatible scaffolds is a crucial step in achievement the desired engineered tissue. In the present study, a pulsed laser modification onto inorganic substrate was made to promote endothelium cells migration and spread. Presented scaffolds were fabricated on carbon and titanium based coatings. Fabricated films provided very good mechanical properties together with a chemical stability preservation. The substrate modification consisted of grid-like template fabrication of micrometer size meshes. The microstructure analysis of laser traces revealed the grain size increase in the zone of laser beam interaction, which exerts an influence on a surface topography. Endothelium cells locomotion was observed within 10 day time period. As a result it was shown that the modified area enhanced cells adhesion with a preferred static behavior. The performed research work improved our understanding on the pulsed laser ablation process and template size influence on cells spatial arrangement. It constituted an important step towards fabrication of inorganic, biocompatible scaffolds for successful substrate endothelialization.</abstract>
<note type="author-notes">e-mail: nmrmajor@imim-pan.krakow.pl</note>
<subject lang="en">
<genre>Keywords</genre>
<topic>inorganic coatings</topic>
<topic>pulsed laser ablation</topic>
<topic>tissue scaffold</topic>
<topic>endothelial cells migration.</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Bulletin of the Polish Academy of Sciences: Technical Sciences</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">0239-7528</identifier>
<identifier type="PublisherID">bpasts</identifier>
<part>
<date>2012</date>
<detail type="volume">
<caption>vol.</caption>
<number>60</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>2</number>
</detail>
<extent unit="pages">
<start>337</start>
<end>342</end>
</extent>
</part>
</relatedItem>
<identifier type="istex">9A81A4A0A02EC74DA94449ED00421328A9140A21</identifier>
<identifier type="DOI">10.2478/v10175-012-0045-2</identifier>
<identifier type="ArticleID">v10175-012-0045-2</identifier>
<identifier type="pdf">v10175-012-0045-2.pdf</identifier>
<accessCondition type="use and reproduction" contentType="open-access">This content is open access.</accessCondition>
<recordInfo>
<recordContentSource>De Gruyter</recordContentSource>
</recordInfo>
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</metadata>
<serie></serie>
</istex>
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