Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5515
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dc.contributor.authorDemirbüker Kavak, Dilek-
dc.contributor.authorÜlkü, Semra-
dc.date.accessioned2017-05-16T07:13:20Z-
dc.date.available2017-05-16T07:13:20Z-
dc.date.issued2015-02-
dc.identifier.citationDemirbüker Kavak, D., and Ülkü, S. (2015). Kinetic and equilibrium studies of adsorption of β-glucuronidase by clinoptilolite-rich minerals. Process Biochemistry, 50(2), 221-229. doi:10.1016/j.procbio.2014.12.013en_US
dc.identifier.issn0032-9592-
dc.identifier.issn1359-5113-
dc.identifier.urihttp://doi.org/10.1016/j.procbio.2014.12.013-
dc.identifier.urihttp://hdl.handle.net/11147/5515-
dc.description.abstractThe adsorption of the bacterial β-glucuronidase (GUS) enzyme, which is thought to be responsible for the production of reactive metabolites related to some diseases and cancer development, by clinoptilolite-rich mineral was investigated. Batch experiments were performed to analyze of the effects of the clinoptilolite amount and particle size, initial GUS concentration, shaking rate, pH and temperature on the adsorption equilibrium and kinetics. Adsorption equilibrium data were interpreted in terms of Langmuir and Freundlich isotherms; and they were well represented by the Langmuir isotherm model. The percentage of GUS removal by the clinoptilolite-rich mineral was changed in the range of 9.4-54.4% depending on its initial concentration. The kinetic data were analyzed using external film diffusion, intraparticle diffusion, pseudo-first-order and pseudo-second-order models and both external film and intraparticle diffusion appeared to be effective in GUS adsorption. Thermodynamic studies indicated that GUS adsorption is exothermic, physical and spontaneous at the temperatures investigated (288-310 K)en_US
dc.description.sponsorshipTurkish Republic Prime Ministry State Planning Organization (DPT-2003K120690)en_US
dc.language.isoenen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofProcess Biochemistryen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAdsorptionen_US
dc.subjectClinoptiloliteen_US
dc.subjectKinetic studiesen_US
dc.subjectβ-Glucuronidase enzymeen_US
dc.titleKinetic and equilibrium studies of adsorption of ß-glucuronidase by clinoptilolite-rich mineralsen_US
dc.typeArticleen_US
dc.departmentIzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume50en_US
dc.identifier.issue2en_US
dc.identifier.startpage221en_US
dc.identifier.endpage229en_US
dc.identifier.wosWOS:000350084300009
dc.identifier.scopusSCOPUS:2-s2.0-84922602187
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.procbio.2014.12.013-
dc.relation.doi10.1016/j.procbio.2014.12.013en_US
dc.coverage.doi10.1016/j.procbio.2014.12.013en_US
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypeArticle-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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