Determination of calcium in milk and water samples by using catalase enzyme electrode

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dc.contributor.authorAkyilmaz, Erol
dc.contributor.authorKozgus, Ozge
dc.date.accessioned2019-10-27T20:47:17Z
dc.date.available2019-10-27T20:47:17Z
dc.date.issued2009
dc.departmentEge Üniversitesien_US
dc.description.abstractA biosensor based on catalase enzyme was developed for the investigation of the effect of calcium ions on the activity of the enzyme. Calcium plays an activator role for the catalase enzyme that catalyses the degradation of hydrogen peroxide to 02 and H(2)O. Determination method of the effect of calcium ion on the activity of the enzyme was based on the assay of the differences on the responses of the biosensor in the absence and the presence of calcium in the reaction medium. The biosensor had a linear relation to calcium concentrations and good measurement correlation between 1 and 10 mM with 1 min response time. Tris-HCl buffer (pH 7.0; 50 mM) and 37 degrees C were obtained as the optimum working conditions. In the application studies, the biosensor was used determination of calcium level of real samples such as milk, spring and mineral water. (c) 2008 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.foodchem.2008.11.075
dc.identifier.endpage351en_US
dc.identifier.issn0308-8146
dc.identifier.issn0308-8146en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage347en_US
dc.identifier.urihttps://doi.org/10.1016/j.foodchem.2008.11.075
dc.identifier.urihttps://hdl.handle.net/11454/42525
dc.identifier.volume115en_US
dc.identifier.wosWOS:000264687300055en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofFood Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCalciumen_US
dc.subjectHydrogen peroxideen_US
dc.subjectBiosensoren_US
dc.subjectCatalaseen_US
dc.subjectEnzyme electrodeen_US
dc.subjectCalcium determinationen_US
dc.titleDetermination of calcium in milk and water samples by using catalase enzyme electrodeen_US
dc.typeArticleen_US

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