Highly active 3-dimensional cobalt oxide nanostructures on the flexible carbon substrates for enzymeless glucose sensing

Palanisamy Kannan, Thandavarayan Maiyalagan, Enrico Marsili, Srabanti Ghosh, Longhua Guo, Youju Huang, Jahangir Ahmed Rather, Dharmaraj Thiruppathi, Joanna Niedziolka-Jönsson, Martin Jönsson-Niedziolka

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The demand for electrochemical sensors with high sensitivity and reliability, fast response, and excellent selectivity has stimulated intensive research on developing highly active nanomaterials. In this work, freestanding 3D/Co3O4 thorn-like and wire-like (nanowires) nanostructures are directly grown on a flexible carbon fiber paper (CFP) substrate by a single-step hydrothermal process without using surfactants or templates. The 3D/Co3O4 thorn-like nanostructures show higher electrochemical activity than wire-like because of their high conductivity, large specific surface areas, and mesopores on their surface. The characterization of 3D/Co3O4 nanostructures is performed by using high resolution transmission electron microscopy (HRTEM), field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction analysis (XRD), and electrochemical methods. The 3D/Co3O4 thorn-like nanostructures displayed non-enzymatic higher catalytic activity towards the electrochemical detection of glucose, compared to the 3D/Co3O4 wire-like morphology. The 3D/Co3O4 thorn-like nanostructures show a wide linear range response of glucose concentration ranging from 1 to 1000 μM with a detection limit of 0.046 μM (S/N = 3). The 3D/Co3O4 thorn-like nanostructure-modified CFP electrode selectively detects glucose in the presence of 100-fold excess of interfering compounds. The 3D/Co3O4 thorn-like nanostructure-modified CFP electrode is tested with human blood serum samples and validated with commercial glucose sensors. The newly developed sensor material shows potential for glucose monitoring in clinical and food samples.

Original languageEnglish
Pages (from-to)4299-4307
Number of pages9
JournalAnalyst
Volume142
Issue number22
DOIs
Publication statusPublished - Nov 21 2017

Fingerprint

Nanostructures
cobalt
Glucose
Cobalt
glucose
Carbon
oxide
substrate
Oxides
carbon
Substrates
sensor
Carbon fibers
electrode
Wire
electrochemical method
Electrodes
Glucose sensors
X-ray spectroscopy
Electrochemical sensors

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy
  • Electrochemistry

Cite this

Kannan, P., Maiyalagan, T., Marsili, E., Ghosh, S., Guo, L., Huang, Y., ... Jönsson-Niedziolka, M. (2017). Highly active 3-dimensional cobalt oxide nanostructures on the flexible carbon substrates for enzymeless glucose sensing. Analyst, 142(22), 4299-4307. https://doi.org/10.1039/c7an01084b

Highly active 3-dimensional cobalt oxide nanostructures on the flexible carbon substrates for enzymeless glucose sensing. / Kannan, Palanisamy; Maiyalagan, Thandavarayan; Marsili, Enrico; Ghosh, Srabanti; Guo, Longhua; Huang, Youju; Rather, Jahangir Ahmed; Thiruppathi, Dharmaraj; Niedziolka-Jönsson, Joanna; Jönsson-Niedziolka, Martin.

In: Analyst, Vol. 142, No. 22, 21.11.2017, p. 4299-4307.

Research output: Contribution to journalArticle

Kannan, P, Maiyalagan, T, Marsili, E, Ghosh, S, Guo, L, Huang, Y, Rather, JA, Thiruppathi, D, Niedziolka-Jönsson, J & Jönsson-Niedziolka, M 2017, 'Highly active 3-dimensional cobalt oxide nanostructures on the flexible carbon substrates for enzymeless glucose sensing', Analyst, vol. 142, no. 22, pp. 4299-4307. https://doi.org/10.1039/c7an01084b
Kannan, Palanisamy ; Maiyalagan, Thandavarayan ; Marsili, Enrico ; Ghosh, Srabanti ; Guo, Longhua ; Huang, Youju ; Rather, Jahangir Ahmed ; Thiruppathi, Dharmaraj ; Niedziolka-Jönsson, Joanna ; Jönsson-Niedziolka, Martin. / Highly active 3-dimensional cobalt oxide nanostructures on the flexible carbon substrates for enzymeless glucose sensing. In: Analyst. 2017 ; Vol. 142, No. 22. pp. 4299-4307.
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