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Title:A method for the immobilization of chitosan onto urinary catheters
Authors:ID Vesel, Alenka, Institut Jožef Stefan (Author)
ID Recek, Nina, Institut Jožef Stefan (Author)
ID Zaplotnik, Rok, Institut Jožef Stefan (Author)
ID Kurinčič, Albert (Author)
ID Kuzmič, Katja (Author)
ID Fras Zemljič, Lidija (Author)
Files:.pdf PDF - Presentation file, download (6,47 MB)
MD5: 54C1D71B0299D90A95E4DB7D7B5510BA
 
URL URL - Source URL, visit https://www.mdpi.com/1422-0067/23/23/15075/pdf?version=1669883521
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo IJS - Jožef Stefan Institute
Abstract:A method for the immobilization of an antibacterial chitosan coating to polymeric urinary medical catheters is presented. The method comprises a two-step plasma-treatment procedure, followed by the deposition of chitosan from the water solution. In the first plasma step, the urinary catheter is treated with vacuum-ultraviolet radiation to break bonds in the polymer surface film and create dangling bonds, which are occupied by hydrogen atoms. In the second plasma step, polymeric catheters are treated with atomic oxygen to form oxygen-containing surface functional groups acting as binding sites for chitosan. The presence of oxygen functional groups also causes a transformation of the hydrophobic polymer surface to hydrophilic, thus enabling uniform wetting and improved adsorption of the chitosan coating. The wettability was measured by the sessile-drop method, while the surface composition and structure were measured by X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy. Non-treated samples did not exhibit successful chitosan immobilization. The effect of plasma treatment on immobilization was explained by noncovalent interactions such as electrostatic interactions and hydrogen bonds.
Keywords:polymer, chitosan immobilization, adhesion, plasma-surface modification, biopolymers
Publication status:Published
Publication version:Version of Record
Article acceptance date:28.11.2022
Publication date:01.12.2022
Year of publishing:2022
Number of pages:str. 1-18
Numbering:Vol. 23
PID:20.500.12556/DiRROS-15884 New window
UDC:533
ISSN on article:1422-0067
DOI:10.3390/ijms232315075 New window
COBISS.SI-ID:131927043 New window
Note:Nasl. z nasl. zaslona; Soavtorji: Nina Recek, Rok Zaplotnik, Albert Kurinčič, Katja Kuzmič, Lidija Fras Zemljič; Opis vira z dne 1. 12. 2022; Št. članka: 15075;
Publication date in DiRROS:05.12.2022
Views:1072
Downloads:536
Metadata:XML DC-XML DC-RDF
:
VESEL, Alenka, RECEK, Nina, ZAPLOTNIK, Rok, KURINČIČ, Albert, KUZMIČ, Katja and FRAS ZEMLJIČ, Lidija, 2022, A method for the immobilization of chitosan onto urinary catheters. International journal of molecular sciences [online]. 2022. Vol. 23, p. 1–18. [Accessed 6 April 2025]. DOI 10.3390/ijms232315075. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=15884
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Record is a part of a journal

Title:International journal of molecular sciences
Shortened title:Int. j. mol. sci.
Publisher:MDPI
ISSN:1422-0067
COBISS.SI-ID:2779162 New window

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:L2-3163
Name:Razvoj varnih večnamenskih površin za katetre za preprečevanje nastanka biofilmov (DemoCat)
Acronym:DemoCat

Secondary language

Language:Slovenian
Keywords:polimeri, imobilizacija hitozana, adhezija, površinska modifikacija, plazemska funkcionalizacija, biopolimeri


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