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Synthesis of Co3O4 Cotton-Like Nanostructures for Cholesterol Biosensor
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
University of Sindh Jamshoro, Pakistan.
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.ORCID iD: 0000-0001-6235-7038
2015 (English)In: Materials, ISSN 1996-1944, E-ISSN 1996-1944, Vol. 8, no 1, 149-161 p.Article in journal (Refereed) Published
Abstract [en]

The use of templates to assist and possess a control over the synthesis of nanomaterials has been an attractive option to achieve this goal. Here we have used sodium dodecyl sulfate (SDS) to act as a template for the low temperature synthesis of cobalt oxide (Co3O4) nanostructures. The use of SDS has led to tune the morphology, and the product was in the form of "cotton-like" nanostructures instead of connected nanowires. Moreover, the variation of the amount of the SDS used was found to affect the charge transfer process in the Co3O4. Using Co3O4 synthesized using the SDS for sensing of cholesterol was investigated. The use of the Co3O4 synthesized using the SDS was found to yield an improved cholesterol biosensor compared to Co3O4 synthesized without the SDS. The improvement of the cholesterol sensing properties upon using the SDS as a template was manifested in increasing the sensitivity and the dynamic range of detection. The results achieved in this study indicate the potential of using template assisted synthesis of nanomaterials in improving some properties, e. g., cholesterol sensing.

Place, publisher, year, edition, pages
MDPI , 2015. Vol. 8, no 1, 149-161 p.
Keyword [en]
C3O4 nanostructures; surfactant; hydrothermal synthesis; potentiometric processes; cholesterol biosensor
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-114594DOI: 10.3390/ma8010149ISI: 000348403400010OAI: oai:DiVA.org:liu-114594DiVA: diva2:791433
Available from: 2015-02-27 Created: 2015-02-26 Last updated: 2017-12-04

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Elhag, SamiNur, OmerWillander, Magnus

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