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Influence of polyelectrolyte multilayer properties on bacterial adhesion capacity
ID Kovačević, Davor (Avtor), ID Pratnekar, Rok (Avtor), ID Godič Torkar, Karmen (Avtor), ID Salopek, Jasmina (Avtor), ID Dražić, Goran (Avtor), ID Abram, Anže (Avtor), ID Bohinc, Klemen (Avtor)

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Izvleček
Bacterial adhesion can be controlled by different material surface properties, such as surface charge, on which we concentrate in our study. We use a silica surface on which poly(allylamine hydrochloride)/sodium poly(4-styrenesulfonate) (PAH/PSS) polyelectrolyte multilayers were formed. The corresponding surface roughness and hydrophobicity were determined by atomic force microscopy and tensiometry. The surface charge was examined by the zeta potential measurements of silica particles covered with polyelectrolyte multilayers, whereby ionic strength and polyelectrolyte concentrations significantly influenced the build-up process. For adhesion experiments, we used the bacterium Pseudomonas aeruginosa. The extent of adhered bacteria on the surface was determined by scanning electron microscopy. The results showed that the extent of adhered bacteria mostly depends on the type of terminating polyelectrolyte layer, since relatively low differences in surface roughness and hydrophobicity were obtained. In the case of polyelectrolyte multilayers terminating with a positively charged layer, bacterial adhesion was more pronounced than in the case when the polyelectrolyte layer was negatively charged.

Jezik:Angleški jezik
Ključne besede:bacterial adhesion, Pseudomonas aeruginosa, polyelectrolyte multilayers, poly(allylamine hydrochloride), poly(4-styrenesulfonate), scanning electron microscopy, zeta potential
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:ZF - Zdravstvena fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2016
Št. strani:12 str.
Številčenje:Vol. 8, iss. 10, art. 345
PID:20.500.12556/RUL-131280 Povezava se odpre v novem oknu
UDK:53
ISSN pri članku:2073-4360
DOI:10.3390/polym8100345 Povezava se odpre v novem oknu
COBISS.SI-ID:29783591 Povezava se odpre v novem oknu
Datum objave v RUL:24.09.2021
Število ogledov:765
Število prenosov:138
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Polymers
Skrajšan naslov:Polymers
Založnik:Molecular Diversity Preservation International
ISSN:2073-4360
COBISS.SI-ID:517951257 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.10.2016

Projekti

Financer:HRZZ - Croatian Science Foundation
Številka projekta:IP-2014-09-6972
Naslov:Electrical charging of solid/aqueous electrolyte interfaces

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Croatia
Naslov:Soft nanotechnology: Antibacterial properties of polyelectrolytecoated surfaces

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P3-0388
Naslov:Mehanizmi varovanja zdravja

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