title: Antibacterial performance of alginic acid coating on polyethylene film.
abstract: Alginic acid coated polyethylene films were examined in terms of surface properties and bacteriostatic performance against two most representative bacterial strains, that is, Escherichia coli and Staphylococcus aureus. Microwave plasma treatment followed by brush formation in vapor state from three distinguished precursors (allylalcohol, allylamine, hydroxyethyl methacrylate) was carried out to deposit alginic acid on the substrate. Surface analyses via various techniques established that alginic acid was immobilized onto the surface where grafting (brush) chemistry influenced the amount of alginic acid coated. Moreover, alginic acid was found to be capable of bacterial growth inhibition which itself was significantly affected by the brush type. The polyanionic character of alginic acid as a carbohydrate polymer was assumed to play the pivotal role in antibacterial activity. The cell wall composition of two bacterial strains along with the substrates physicochemical properties accounted for different levels of bacteriostatic performance.
authors.affiliation: Department of Chemical Engineering, Isfahan University of Technology, Esfahan 84156-83111, Iran. e.karbassi@ce.iut.ac.ir.
authors.forename: Elika
authors.initials: E
authors.lastname: Karbassi
authors.affiliation: Department of Chemical Engineering, Isfahan University of Technology, Esfahan 84156-83111, Iran. asadinezhad@cc.iut.ac.ir.
authors.forename: Ahmad
authors.initials: A
authors.lastname: Asadinezhad
authors.affiliation: Centre of Polymer Systems, Tomas Bata University in Zlín, Zlín 76001, Czech Republic. lehocky@post.cz.
authors.forename: Marian
authors.initials: M
authors.lastname: Lehocký
authors.affiliation: Centre of Polymer Systems, Tomas Bata University in Zlín, Zlín 76001, Czech Republic. humpolicek@uni.utb.cz.
authors.forename: Petr
authors.initials: P
authors.lastname: Humpolíček
authors.affiliation: Department of Surface Engineering, Jožef Stefan Institute, Ljubljana 1000, Slovenia. alenka.vesel@ijs.si.
authors.forename: Alenka
authors.initials: A
authors.lastname: Vesel
authors.affiliation: Polymer Institute, Slovak Academy of Sciences, Bratislava 84236, Slovakia. upolnovi@savba.sk.
authors.forename: Igor
authors.initials: I
authors.lastname: Novák
authors.affiliation: Centre of Polymer Systems, Tomas Bata University in Zlín, Zlín 76001, Czech Republic. saha@utb.cz.
authors.forename: Petr
authors.initials: P
authors.lastname: Sáha
mesh_terms: D000464:Alginates / Q000737:chemistry*; D000900:Anti-Bacterial Agents / Q000737:chemistry* / Q000494:pharmacology*; D004926:Escherichia coli / Q000187:drug effects; D020723:Glucuronic Acid / Q000737:chemistry; D006603:Hexuronic Acids / Q000737:chemistry; D008826:Microbial Sensitivity Tests; D020959:Polyethylene / Q000737:chemistry*; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: D000464:Alginates; D000900:Anti-Bacterial Agents; D006603:Hexuronic Acids; D020723:Glucuronic Acid; D020959:Polyethylene