Novel sensor for sensitive electrochemical determination of luteolin based on In2O3 nanoparticles modified glassy carbon paste electrode

Ibrahim, Hossieny; Temerk, Y. M.

doi:10.1016/j.snb.2014.09.011

Cited by 62 publications

(20 citation statements)

References 38 publications

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“…Due to their persistence and water solubility, different methods have been introduced for determination of 3HF and LU. The analytical methods reported for the assay of 3HF and LU include thin‐layer chromatography , gas chromatography (GC) , high‐performance liquid chromatography (HPLC) , spectrophotometry , capillary electrophoresis (CE) , and electrochemical detection . To the best of our knowledge, there is no report on the utilization of inexpensive and single‐use disposable pencil graphite electrode for simultaneous determination of the two antioxidant flavonoids, 3HF and LU, by means of square‐wave anodic adsorptive stripping voltammetry (SWAASV).…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Anodic Adsorptive Stripping Voltammetric Determination of Luteolin and 3‐Hydroxyflavone in Biological Fluids Using Renewable Pencil Graphite Electrodes

2019

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Simultaneous anodic adsorptive stripping voltammetry was applied for selective and sensitive electrochemical determination of the flavones luteolin (LU) and the basic flavone core 3‐hydroxyflavone (3HF) using a renewable pencil graphite electrode (PGE). The increased separation of the anodic peak potential of LU and 3HF on a PGE surface together with the increased sensitivity renders their simultaneous determination feasible by square wave anodic adsorptive stripping voltammetry (SWAASV). The electrochemical parameters such as surface concentration (Γ), electron transfer coefficient (α), and the standard rate constant (ks) of both LU and 3HF at a PGE were calculated. For simultaneous detection of both compounds by synchronous change of the concentration of LU and 3HF, the detection limits were 1.34 nM and 5.15 nM, respectively. The proposed procedure was successfully applied for the simultaneous detection of LU and 3HF in human serum and urine samples with satisfactory results.

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Section: Introductionmentioning

confidence: 99%

Simultaneous Anodic Adsorptive Stripping Voltammetric Determination of Luteolin and 3‐Hydroxyflavone in Biological Fluids Using Renewable Pencil Graphite Electrodes

2019

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“…Although these methods show high sensitivity and selectivity for detecting luteolin, most of them require expensive and sophisticated instruments, complicated operations, and professional operators, which limit their practical applications. In contrast, electrochemical methods are considered as simple, cost-effective, and sensitive techniques for luteolin detection because they can be easily carried out with inexpensive and simple instruments [ 4 , 5 , 16 , 17 , 18 , 19 , 20 , 21 ]. Liu et al investigated the electrochemical behavior of luteolin at a glassy carbon electrode (GCE), based on which they developed an electrochemical sensor for the detection of luteolin with a detection limit of 5.0 nM [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

“…Liu et al investigated the electrochemical behavior of luteolin at a glassy carbon electrode (GCE), based on which they developed an electrochemical sensor for the detection of luteolin with a detection limit of 5.0 nM [ 4 ]. To improve the sensitivity of electrochemical detection of luteolin, recent research has focused on the design of innovative, chemically modified electrodes based on various nanomaterials, such as multi-walled carbon nanotubes, macroporous carbon nanomaterials, graphene-hydroxyapatite nanocomposites, and In 2 O 3 nanoparticles [ 5 , 16 , 17 , 18 , 19 , 20 ]. These nanomaterials exhibit excellent electrocatalytic activity toward the redox reaction of luteolin and lead to the amplification of the electrochemical signal.…”

Section: Introductionmentioning

confidence: 99%

Gold Nanocage-Based Electrochemical Sensing Platform for Sensitive Detection of Luteolin

Zou

Sun

et al. 2018

Sensors

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A simple and sensitive electrochemical sensor was developed for the detection of tracelevels of luteolin. The sensoris based on a novel type of chemically modified electrode: gold nanocage (AuNCs)-modified carbon ionic liquid electrode (CILE). To construct this electrochemical sensing platform for luteolin, CILE is initially prepared by using 1-hexylpyridinium hexafluorophosphate as the binder and then AuNCs are coated on the surface of CILE to fabricate AuNCs-modified CILE (AuNCs/CILE). Electrochemical studies have shown that AuNCs/CILE can exhibit enhanced electrocatalytic activity toward the redox reaction of luteolin, therefore, the redox peak current of luteolin can be greatly improved, resulting in the high sensitivity of the developed sensor. Under the optimal conditions, the oxidation peak currents of the sensor increase linearly with an increase in the luteolin concentration in a range from 1 to 1000 nM with a detection limit of 0.4 nM, which is lower than those of most reported electrochemical luteolin sensors. Moreover, the reproducibility, precision, selectivity, and stability of this sensor are excellent. Finally, the sensing system was applied to the analysis of luteolin-spiked drug samples and the recovery in all cases was 95.0–96.7%, indicating the potential application of this simple, facile, and sensitive sensing system in pharmaceutical analysis.

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“…Simple and sensitive electrochemical methods were developed for the determination of luteolin using electrochemical methods using glassy carbon electrode [12], and modified electrodes including graphene and hydroxyapatite [13], chitosangraphene [14], macroporous carbon [15] and multi-walled carbon nanotubes [16]. A modified glassy carbon paste electrode with In O nanoparticles has been prepared and applied for selective and sensitive 2 3 electrochemical determination of luteolin [17]. Simple and sensitive sensors were successfully developed for the electrochemical determination of luteolin based on modified glassy carbon electrode with multiwalled carbon nanotubes-ionic liquid [18] and with multiwalled carbon nanotubes dispersed in polyethylenimine [19].…”

Section: Introductionmentioning

confidence: 99%

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2016

Br J Anal Chem

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Novel sensor for sensitive electrochemical determination of luteolin based on In2O3 nanoparticles modified glassy carbon paste electrode

Cited by 62 publications

References 38 publications

Simultaneous Anodic Adsorptive Stripping Voltammetric Determination of Luteolin and 3‐Hydroxyflavone in Biological Fluids Using Renewable Pencil Graphite Electrodes

Simultaneous Anodic Adsorptive Stripping Voltammetric Determination of Luteolin and 3‐Hydroxyflavone in Biological Fluids Using Renewable Pencil Graphite Electrodes

Gold Nanocage-Based Electrochemical Sensing Platform for Sensitive Detection of Luteolin

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