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ZnO Based Potentiometric and Amperometric Nanosensors
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-6235-7038
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
2014 (English)In: Journal of Nanoscience and Nanotechnology, ISSN 1533-4880, E-ISSN 1533-4899, Vol. 14, no 9, 6497-6508 p.Article, review/survey (Refereed) Published
Abstract [en]

The existence of nanomaterials provides the solid platform for sensing applications due to owing of high sensitivity and a low concentration limit of detection. More likely used nanomaterials for sensing applications includes gold nanoparticles, carbon nanotubes, magnetic nanoparticles such as Fe3O4, quantum dots and metal oxides etc. Recently nanomaterial and biological detection becomes an interdisciplinary field and is very much focussed by the researchers. Among metal oxides ZnO is largely considered due to its less toxic nature, biocompatible, cheap and easy to synthesis. ZnO nanomaterial is highly used for the chemical sensing, especially electrochemical sensing due to its fascinating properties such as high surface to volume ratio, atoxic, biosafe and biocompatible. Moreover, ZnO nanostructures exhibit unique features which could expose a suitable nanoenviroment for the immobilization of proteineous material such as enzymes, DNA, antibodies, etc. and in doing so it retains the biological efficiency of the immobilized bio sensitive material. The following review describes the two different coatings (i.e., ionophore and enzyme) on the surface of ZnO nanorods for the chemical sensing of zinc ion detection, thallium (I) ion detection, and L-lactic acid and the measurement of galactose molecules. ZnO nanorods provide the excellent transducing properties in the generation of strong electrical signals. Moreover, this review is very much focused on the applications of ZnO nanostructures in the sensing field.

Place, publisher, year, edition, pages
American Scientific Publishers, 2014. Vol. 14, no 9, 6497-6508 p.
Keyword [en]
ZnO Nanorods; Nanotubes; Potentiometric and Amperometric Nanosensors; lonophore; Enzyme Layer; Immobilization
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-107431DOI: 10.1166/jnn.2014.9349ISI: 000335873900004OAI: oai:DiVA.org:liu-107431DiVA: diva2:724355
Available from: 2014-06-12 Created: 2014-06-12 Last updated: 2017-12-05Bibliographically approved

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Willander, MagnusKhun, KimleangIbupoto, Zafar Hussain

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