Preparation of a new quartz crystal microbalance sensor based on molecularly imprinted nanofilms for amitrole detection

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dc.authorid0000-0002-8006-2054en_US
dc.authorid0000-0003-3260-1639
dc.authorid0000-0001-7548-5741
dc.contributor.authorÇakır, Oğuz
dc.contributor.authorYılmaz, Fatma
dc.contributor.authorBaysal, Zübeyde
dc.contributor.authorDenizli, Adil
dc.date.accessioned2021-06-23T19:49:33Z
dc.date.available2021-06-23T19:49:33Z
dc.date.issued2018
dc.departmentBAİBÜ, Gerede Meslek Yüksekokulu, Kimya Ve Kimyasal İşleme Teknolojileri Bölümüen_US
dc.description.abstractQuartz crystal microbalance (QCM) sensors have been used to detect a variety of biomolecules due to their simplicity, specificity and sensitivity, real-time measurement, low cost and no labeling requirements. A new QCM sensor was prepared by using molecular imprinting method for selective recognition of amitrole. N-metacryloyl-(L)-tryptophan methyl ester (MATrp) was selected as a proper functional monomer and polymerized with ethylene glycol dimethacrylate (EGDMA). Pesticide imprinted poly(ethylene glycol dimetacrylate-N-metacryloyl-(L)-tryptophan methyl ester) [poly(EGDMA-MATrp)] nanofilms were attached to gold surfaces of QCM sensor chips and were characterized by several techniques such as atomic force microscope (AFM), an ellipsometer, FTIR-ATR and contact angle measurements. Kinetic and affinity binding of amitrole was investigated by binding the pesticide imprinted and nonimprinted sensor chips to QCM sensor chips. The imprinted nanofilms were found to show more sensitivity towards the target molecule than the nonimprinted ones. Furthermore, adsorption kinetics were determined by passing pesticide solutions at different concentrations through QCM sensor systems. The most proper model was found to be Langmuir adsorption model for these affinity systems. In addition, competitive adsorption experiments were performed to display selectivity of the pesticide imprinted nanofilms. The prepared sensor was also efficiently applied for the selective detection of amitrole in green pepper.en_US
dc.identifier.endpage3440en_US
dc.identifier.issn2069-5837
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-85052384757en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage3435en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12491/9545
dc.identifier.urihttps://www.webofscience.com/wos/woscc/full-record/WOS:000447368100015
dc.identifier.volume8en_US
dc.identifier.wosWOS:000447368100015en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorYılmaz, Fatma
dc.language.isoenen_US
dc.publisherBiointerface Research Applied Chemistryen_US
dc.relation.ispartofBiointerface Research In Applied Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMolecular Imprintingen_US
dc.subjectSensoren_US
dc.subjectQuartz Crystal Microbalanceen_US
dc.subjectAmitroleen_US
dc.titlePreparation of a new quartz crystal microbalance sensor based on molecularly imprinted nanofilms for amitrole detectionen_US
dc.typeArticleen_US

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