Magnetic micro/nanoparticle flocculation-based signal amplification for biosensing

dc.contributor.author Mzava, Omary
dc.contributor.author Tas, Zehra
dc.contributor.author Icoz, Kutay
dc.contributor.department AGÜ, Mühendislik Fakültesi, Elektrik & Elektronik Mühendisliği Bölümü en_US
dc.contributor.institutionauthor
dc.date.accessioned 2020-02-07T06:56:46Z
dc.date.available 2020-02-07T06:56:46Z
dc.date.issued 07.07.2016 en_US
dc.description The authors acknowledge TUBITAK (Project No: 114E886) and AGU BAP (2015-11) for financial support. Omary Mzava acknowledges TUBITAK for the scholarship (2215). The authors also thank Professor Cagri Savran from Purdue University for valuable discussions, Hulya Sarayli and Nurdan Yapar from City Control Lab for the valuable information about E. coli staining and capturing procedures, and Cengiz Gazeloglu for the discussions on statistical analysis. en_US
dc.description.abstract We report a time and cost efficient signal amplification method for biosensors employing magnetic particles. In this method, magnetic particles in an applied external magnetic field form magnetic dipoles, interact with each other, and accumulate along the magnetic field lines. This magnetic interaction does not need any biomolecular coating for binding and can be controlled with the strength of the applied magnetic field. The accumulation can be used to amplify the corresponding pixel area that is obtained from an image of a single magnetic particle. An application of the method to the Escherichia coli 0157: H7 bacteria samples is demonstrated in order to show the potential of the approach. A minimum of threefold to a maximum of 60-fold amplification is reached from a single bacteria cell under a magnetic field of 20 mT. en_US
dc.description.sponsorship Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) 114E886 2215 AGU BAP 2015-11 en_US
dc.identifier.doi 10.2147/IJN.S108692
dc.identifier.issn 1178-2013
dc.identifier.other 10.2147/IJN.S108692
dc.identifier.uri https://hdl.handle.net/20.500.12573/146
dc.language.iso eng en_US
dc.publisher DOVE MEDICAL PRESS LTD, PO BOX 300-008, ALBANY, AUCKLAND 0752, NEW ZEALAND en_US
dc.relation.ispartofseries Volume: 11;
dc.relation.ispartofseries Pages: 2619-2631;
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject magnetic micro/nanoparticle accumulation en_US
dc.subject signal amplification en_US
dc.subject image-based detection en_US
dc.subject magnetic dipole-dipole interaction en_US
dc.title Magnetic micro/nanoparticle flocculation-based signal amplification for biosensing en_US
dc.type article en_US

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