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Antibacterial Properties of Tough and Strong Electrospun PMMA/PEO Fiber Mats Filled with Lanasol-A Naturally Occurring Brominated Substance
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Polymera material.ORCID-id: 0000-0002-0236-5420
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik, Polymera material.
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2014 (engelsk)Inngår i: International Journal of Molecular Sciences, ISSN 1422-0067, E-ISSN 1422-0067, Vol. 15, nr 9, s. 15912-15923Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A new type of antimicrobial, biocompatible and toughness enhanced ultra-thin fiber mats for biomedical applications is presented. The tough and porous fiber mats were obtained by electrospinning solution-blended poly (methyl methacrylate) (PMMA) and polyethylene oxide (PEO), filled with up to 25 wt % of Lanasol-a naturally occurring brominated cyclic compound that can be extracted from red sea algae. Antibacterial effectiveness was tested following the industrial Standard JIS L 1902 and under agitated medium (ASTM E2149). Even at the lowest concentrations of Lanasol, 4 wt %, a significant bactericidal effect was seen with a 4-log (99.99%) reduction in bacterial viability against S. aureus, which is one of the leading causes of hospital-acquired (nosocomial) infections in the world. The mechanical fiber toughness was insignificantly altered up to the maximum Lanasol concentration tested, and was for all fiber mats orders of magnitudes higher than electrospun fibers based on solely PMMA. This antimicrobial fiber system, relying on a dissolved antimicrobial agent (demonstrated by X-ray diffraction and Infrared (IR)-spectroscopy) rather than a dispersed and "mixed-in" solid antibacterial particle phase, presents a new concept which opens the door to tougher, stronger and more ductile antimicrobial fibers.

sted, utgiver, år, opplag, sider
2014. Vol. 15, nr 9, s. 15912-15923
Emneord [en]
electrospinning, antimicrobial/antibacterial, Lanasol, nanofiber toughness, sea algae, poly (methyl methacrylate) (PMMA)/polyethylene oxide (PEO)
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Identifikatorer
URN: urn:nbn:se:kth:diva-155803DOI: 10.3390/ijms150915912ISI: 000343109700061PubMedID: 25207601Scopus ID: 2-s2.0-84908330150OAI: oai:DiVA.org:kth-155803DiVA, id: diva2:763058
Forskningsfinansiär
Sida - Swedish International Development Cooperation Agency
Merknad

QC 20141113

Tilgjengelig fra: 2014-11-13 Laget: 2014-11-13 Sist oppdatert: 2017-12-05bibliografisk kontrollert
Inngår i avhandling
1. Micromechanical, Antimicrobial and Filtration Properties of Electrospun Fiber Mats
Åpne denne publikasjonen i ny fane eller vindu >>Micromechanical, Antimicrobial and Filtration Properties of Electrospun Fiber Mats
2014 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH Royal Institute of Technology, 2014. s. xiv, 67
Serie
TRITA-CHE-Report, ISSN 1654-1081 ; 2014:47
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Identifikatorer
urn:nbn:se:kth:diva-156091 (URN)978-91-7595-320-5 (ISBN)
Disputas
2014-12-11, K1, Teknikringen 56, KTH, Stockholm, 13:00 (engelsk)
Opponent
Veileder
Merknad

QC 20141121

Tilgjengelig fra: 2014-11-21 Laget: 2014-11-21 Sist oppdatert: 2015-08-21bibliografisk kontrollert

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