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Investigation of the Antibacterial Effect of Mesoporous Magnesium Carbonate
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials. (Nanoteknologi och funktionella material)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials. (Nanotechnology and Functional Materials)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials. (Nanoteknologi och funktionella material)ORCID iD: 0000-0002-5496-9664
2016 (English)In: ACS Omega, ISSN 2470-1343, Vol. 1, no 5, 907-914 p.Article in journal (Refereed) Published
Abstract [en]

Mesoporous magnesium carbonate (MMC) was first presented in 2013, and this material is currently under consideration for use in a number of biotechnological applications including topical formulations. This study presents the first evaluation of the antibacterial properties of the material with mesoporous silica and two other magnesium-containing powder materials used as references. All powder materials in this study are sieved to achieve a particle size distribution between 25 and 75 μm. The Gram-positive bacterium Staphylococcus epidermidis is used as the model bacterium due to its prevalence on human skin, its likelihood of developing resistance to antibiotics, for example, from routine exposure to antibiotics secreted in sweat, and because it is found inside affected acne vulgaris pores. Quantification of bacterial viability using a metabolic activity assay with resazurin as the fluorescent indicator shows that MMC exerts a strong antibacterial effect on the bacteria and that alkalinity accounts for the major part of this effect. The results open up for further development of MMC in on-skin applications where bacterial growth inhibition without using antibiotics is deemed favorable.

Place, publisher, year, edition, pages
2016. Vol. 1, no 5, 907-914 p.
National Category
Nano Technology
Research subject
Engineering Science with specialization in Nanotechnology and Functional Materials
Identifiers
URN: urn:nbn:se:uu:diva-307385DOI: 10.1021/acsomega.6b00124OAI: oai:DiVA.org:uu-307385DiVA: diva2:1046684
Available from: 2016-11-14 Created: 2016-11-14 Last updated: 2016-11-30

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Publisher's full texthttp://dx.doi.org/10.1021/acsomega.6b00124

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Welch, KenFrykstrand, SaraStrömme, Maria
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