The effect of various boron compounds on the antimicrobial activity of hardened mortars

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dc.authoridIyigundogdu, Zeynep/0000-0003-2067-4822
dc.contributor.authorIyigundogdu, Zeynep
dc.contributor.authorSaribas, Ilyas
dc.date.accessioned2025-01-06T17:36:43Z
dc.date.available2025-01-06T17:36:43Z
dc.date.issued2022
dc.description.abstractThis study has examined the effect of boron compounds on the mechanical and antimicrobial properties of hardened mortars. The antimicrobial activity of six different boron minerals and compounds was tested against six microorganisms, including Gram-positive and Gram-negative bacteria, yeast, and fungus. Cement mortars containing 5% (w/w) boron mineral addition by weight of cement were exposed to flexural and compression tests on the 7th, 28th and 90th days. At the end of the 90th day, the hardened mortar specimen prepared with 5% dicalcium hexaborate pentahydrate (COL) or 5% borax pentahydrate (BPH) decreased the compressive strength 7.41 % and 31.5 %, and flexural strength 13.5 % and 32 %, respectively. Although, there are decrements in both compressive and flexural strength, values remain within the acceptable limits specified in the material code. The antimicrobial activity of these specimens was evaluated with surface antimicrobial activity tests. The hardened mortar specimen containing boron compounds showed antimicrobial activity against C. albicans and A. niger. It can be concluded that from these results, using 5 % COL and 5 % BPH as an additive or replacement to the mortar, is an alternative way to create antimicrobial surfaces within environments that have complained of mold problems and biodegradation, such as in reinforced concrete structures or in conventional buildings that need to be free of pathogenic microorganisms.
dc.description.sponsorshipScientific Research Projects Unit of Adana Alparslan Turkes Science and Technology University [BAP-16103017]
dc.description.sponsorshipThis work was supported by the Scientific Research Projects Unit of Adana Alparslan Turkes Science and Technology University (BAP-16103017) . Authors would like to thank Eti Maden Operations for kindly supplying boron minerals. Also, we would like to acknowledge Prof. Gurkan Yildirim's valuable guidance and support.
dc.identifier.doi10.1016/j.conbuildmat.2022.128958
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.scopus2-s2.0-85136688865
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.conbuildmat.2022.128958
dc.identifier.urihttps://hdl.handle.net/20.500.14669/1976
dc.identifier.volume351
dc.identifier.wosWOS:000852298100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofConstruction and Building Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectBoron minerals
dc.subjectAntimicrobial cement mortar
dc.subjectCompressive strength
dc.subjectFlexural strength
dc.titleThe effect of various boron compounds on the antimicrobial activity of hardened mortars
dc.typeArticle

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