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Molecules 2018, 23(2), 234; doi:10.3390/molecules23020234

Nano/Mesoporous Carbon from Rice Starch for Voltammetric Detection of Ascorbic Acid

1
Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
2
Australian Institute for Bioengineering and Nanotechnology (AIBN), University of Queensland, St Lucia, QLD 4072, Australia
3
Sugar Research Australia Ltd., Indooroopilly, QLD 4068, Australia
4
Pharmacy Discipline, Faculty of Health, School of Clinical Sciences, QUT, 2 George Street, Brisbane, QLD 4000, Australia
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 7 December 2017 / Revised: 22 January 2018 / Accepted: 24 January 2018 / Published: 25 January 2018
(This article belongs to the Special Issue Functional Molecular Materials)
View Full-Text   |   Download PDF [1893 KB, uploaded 25 January 2018]   |  

Abstract

Rice starch (RS-)based nano/mesoporous carbon (RSNMC) was prepared via a hard-templating route using cheap rice starch as a carbon source. XRD and TEM characterization indicated the formation of organized nanoporous RSNMC. Nitrogen absorption–desorption studies revealed a high surface area of up to 488 m2∙g−1, uniform pore size of 3.92 nm, and pore volume of 1.14 cm3∙g−1. A RSNMC-modified glassy carbon (GC) electrode was employed for the determination of ascorbic acid (AA) and exhibited a linear response in the concentration range of 0.005–6.0 mM with a detection limit of 0.003 mM. These results demonstrate that RSNMC has potential as an advanced and cheap electrode material for electrochemical sensing and other electrocatalytic applications. View Full-Text
Keywords: mesoporous carbon; carbon; rice starch; biomass; electroanalysis; ascorbic acid; electrode; glass carbon electrode; nanomaterials mesoporous carbon; carbon; rice starch; biomass; electroanalysis; ascorbic acid; electrode; glass carbon electrode; nanomaterials
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MDPI and ACS Style

Wahab, M.A.; Darain, F.; Islam, N.; Young, D.J. Nano/Mesoporous Carbon from Rice Starch for Voltammetric Detection of Ascorbic Acid. Molecules 2018, 23, 234.

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