NDLI: Electrochemical determination of luteolin in <i>Chrysanthemum</i> using multi-walled carbon nanotubes

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Analytical Methods Vol -6

Analytical Methods Vol -5

Analytical Methods Vol -4

Analytical Methods Vol -3

Analytical Methods Vol -2

Analytical Methods Vol -1

Electrochemical determination of luteolin in Chrysanthemum using multi-walled carbon nanotubes–ionic liquid composite electrode

Content Provider	Royal Society of Chemistry (RSC)
Author	Jin, Baokang Tang, Jing
Copyright Year	2015
Abstract	A simple and sensitive multi-walled carbon nanotubes (MWCNTs)–ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate, BMIMPF6, IL) composite modified glassy carbon electrode (GCE) was successfully developed for the electrochemical determination of trace-levels of luteolin. The prepared composites were characterized by scanning electron microscopy (SEM). Compared with the bare GCE, the BMIMPF6/GCE and MWCNTs/GCE, MWCNTs–BMIMPF6/GCE exhibited a higher electrocatalytic ability toward the oxidation of luteolin due to the synergic effects of the good electrical properties and large surface-to-volume ratio of the MWCNTs together with the good conductivity and wide potential windows of the IL. A series of experimental parameters including the pH of the supporting electrolyte and accumulation time were optimised. The electrochemical sensor can be applied to the quantification of luteolin with a linear range covering 5 × 10−9–1 × 10−6 mol·L−1 (with a correlation coefficient of 0.9969) and the limit detection is 5 × 10−10 mol L−1 (S/N = 3). Moreover, the method was successfully applied for the determination of luteolin in Chrysanthemum as a real sample with satisfying results.
Starting Page	894
Ending Page	900
Page Count	7
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	7
Issue Number	3
Journal	Analytical Methods
DOI	10.1039/c4ay02531h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Carbon nanotube Pearson product-moment correlation coefficient 1-Butyl-3-methylimidazolium hexafluorophosphate Electrode Electrolyte Electrochemistry PH Luteolin Carbon Scanning electron microscope Ionic liquid
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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