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doi:10.22028/D291-33432
Titel: | Increasing Antibacterial Efficiency of Cu Surfaces by targeted Surface Functionalization via Ultrashort Pulsed Direct Laser Interference Patterning |
VerfasserIn: | Müller, Daniel W. Lößlein, Sarah Marie Terriac, Emmanuel Brix, Kristina Siems, Katharina Moeller, Ralf Kautenburger, Ralf Mücklich, Frank |
Sprache: | Englisch |
Titel: | Advanced Materials Interfaces |
Bandnummer: | 8 |
Heft: | 5 |
Verlag/Plattform: | Wiley |
Erscheinungsjahr: | 2020 |
Freie Schlagwörter: | antimicrobial copper surfaces laser surface structuring ultrasort pulsed direct laser interference patterning |
DDC-Sachgruppe: | 540 Chemie 620 Ingenieurwissenschaften und Maschinenbau |
Dokumenttyp: | Journalartikel / Zeitschriftenartikel |
Abstract: | Copper (Cu) exhibits great potential for application in the design of antimicrobial contact surfaces aiming to reduce pathogenic contamination in public areas as well as clinically critical environments. However, current application perspectives rely purely on the toxic effect of emitted Cu ions, without considering influences on the interaction of pathogenic microorganisms with the surface to enhance antimicrobial efficiency. In this study, it is investigated on how antibacterial properties of Cu surfaces against Escherichia coli can be increased by tailored functionalization of the substrate surface by means of ultrashort pulsed direct laser interference patterning (USP‐DLIP). Surface patterns in the scale range of single bacteria cells are fabricated to purposefully increase bacteria/surface contact area, while parallel modification of the surface chemistry allows to involve the aspect of surface wettability into bacterial attachment and the resulting antibacterial effectivity. The results exhibit a delicate interplay between bacterial adhesion and the expression of antibacterial properties, where a reduction of bacterial cell viability of up to 15‐fold can be achieved for E. coli on USP‐DLIP surfaces in comparison to smooth Cu surfaces. Thereby, it can be shown how the antimicrobial properties of copper surfaces can be additionally enhanced by targeted surface functionalization. |
DOI der Erstveröffentlichung: | 10.1002/admi.202001656 |
Link zu diesem Datensatz: | urn:nbn:de:bsz:291--ds-334328 hdl:20.500.11880/30743 http://dx.doi.org/10.22028/D291-33432 |
ISSN: | 2196-7350 2196-7350 |
Datum des Eintrags: | 26-Feb-2021 |
Bezeichnung des in Beziehung stehenden Objekts: | Supporting Information |
In Beziehung stehendes Objekt: | https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0001-SuppMat.pdf https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0002-VideoS1.avi https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0003-VideoS2.avi https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0004-VideoS3.avi https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0005-VideoS4.avi https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0006-VideoS5.mp4 https://onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1002%2Fadmi.202001656&file=admi202001656-sup-0007-VideoS6.mp4 |
Fakultät: | NT - Naturwissenschaftlich- Technische Fakultät |
Fachrichtung: | NT - Chemie NT - Materialwissenschaft und Werkstofftechnik |
Professur: | NT - Prof. Dr. Guido Kickelbick NT - Prof. Dr. Frank Mücklich |
Sammlung: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
Dateien zu diesem Datensatz:
Datei | Beschreibung | Größe | Format | |
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admi.202001656.pdf | 4,67 MB | Adobe PDF | Öffnen/Anzeigen |
Diese Ressource wurde unter folgender Copyright-Bestimmung veröffentlicht: Lizenz von Creative Commons