Graphene nanocomposite modified glassy carbon electrode for voltammetric determination of the antipsychotic quetiapine

Nigović, Biljana; Mornar, Ana; Sertić, Miranda

doi:10.1007/s00604-016-1781-z

Cited by 33 publications

(24 citation statements)

References 31 publications

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“…The limit of detection (LOD) was 2 × 10 −9 mol × L −1 and estimated through the equation LOD = 3 sd/a (where sd is the standard deviation of the intercept of the calibration plot and a is the slope of the calibration plot). As presented in Table 1, the LOD of the proposed method is lower than that offered by previously reported QF electronic modified sensors [10][11][12][13][14][15][16]. The within-device reproducibility was calculated by measuring the responses of 50 × 10 −7 mol × L −1 QF via eight repeated measurements and the % relative standard deviation (RSD%) was 4.3%.…”

Section: Voltammetric Determination Of Quetiapine Fumaratementioning

confidence: 94%

“…Sensors 2021, 21, x FOR PEER REVIEW 2 of 10 trodes [10][11][12][13][14][15][16][17][18]. All these electrochemical methods of QF determination involve the use of separate "large-size" external reference and counter electrodes; therefore, they do not have any degree of miniaturization and integration.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, the research field of electronic sensors is quickly developing through the ongoing application of cutting-edge technologies [ 8 , 9 ]. Nevertheless, only a few works on the electrochemical determination of QF have been proposed in the literature so far, using bare or modified (with molecular imprinted polymers, graphene, and selective films) glassy carbon and carbon paste electrodes [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 ]. All these electrochemical methods of QF determination involve the use of separate “large-size” external reference and counter electrodes; therefore, they do not have any degree of miniaturization and integration.…”

Section: Introductionmentioning

confidence: 99%

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Fully Integrated 3D-Printed Electronic Device for the On-Field Determination of Antipsychotic Drug Quetiapine

Ragazou

Lougkovois

Katseli

et al. 2021

Sensors

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In this work, we developed a novel all-3D-printed device for the simple determination of quetiapine fumarate (QF) via voltammetric mode. The device was printed through a one-step process by a dual-extruder 3D printer and it features three thermoplastic electrodes (printed from a carbon black-loaded polylactic acid (PLA)) and an electrode holder printed from a non-conductive PLA filament. The integrated 3D-printed device can be printed on-field and it qualifies as a ready-to-use sensor, since it does not require any post-treatment (i.e., modification or activation) before use. The electrochemical parameters, which affect the performance of the sensor in QF determination, were optimized and, under the selected conditions, the quantification of QF was carried out in the concentration range of 5 × 10−7–80 × 10−7 mol × L−1. The limit of detection was 2 × 10−9 mol × L−1, which is lower than that of existing electrochemical QF sensors. The within-device and between-device reproducibility was 4.3% and 6.2% (at 50 × 10−7 mol × L−1 QF level), respectively, demonstrating the satisfactory operational and fabrication reproducibility of the device. Finally, the device was successfully applied for the determination of QF in pharmaceutical tablets and in human urine, justifying its suitability for routine and on-site analysis.

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Section: Voltammetric Determination Of Quetiapine Fumaratementioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fully Integrated 3D-Printed Electronic Device for the On-Field Determination of Antipsychotic Drug Quetiapine

Ragazou

Lougkovois

Katseli

et al. 2021

Sensors

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show abstract

“…Magnetic iron oxide nanoparticles such as maghemite (γ-Fe2O3) or magnetite (Fe3O4), are used in decoration of graphene to obtain improved magnetic, optical, and electrochemical properties in graphene. This combination which leads to improve the properties of graphene, make it a great option for the modification of electrodes [39].…”

Section: Introductionmentioning

confidence: 99%

Application of Fe3O4@SiO2/GO nanocomposite for sensitive and selective electrochemical sensing of tryptophan

Beitollahi

Safaei

Shishehbore

et al. 2018

J. Electrochem. Sci. Eng.

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A simple strategy for determination of tryptophan (TRP) based on Fe3O4@SiO2/GO nanocomposite modified graphite screen printed electrode (Fe3O4@SiO2/GO/SPE) is reported. Cyclic voltammetry (CV) and differential pulse voltammetry (DPV) were used to characterize the performance of the sensor. The Fe3O4@SiO2/GO/SPE displayed excellent electrochemical catalytic activities. The oxidation overpotentials of tryptophan decreased significantly and its oxidation peak current increased dramatically at Fe3O4@SiO2/GO/SPE. Under the optimized experimental conditions tryptophan showed linear response over the range of 1.0-400.0 μM. The lower detection limit was found to be 0.2 μM for tryptophan. The practical application of the modified electrode was demonstrated by measuring the concentration of tryptophan in real samples.

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“…22 Compared with those methods, electrochemical techniques have several advantages such as simplicity, low-cost, short analysis time and high sensitivity. 23,24 In spite of that, only three methods have been published on the voltammetric determination of FBX. Habib et al 25 described quantification of FBX in pharmaceutical formulations by differential-pulse voltammetric method using a hanging mercury electrode.…”

Section: Introductionmentioning

confidence: 99%

Green Electroanalytical Method for Fast Measurement of Xanthine Oxidase Inhibitor Febuxostat

Nigović

Milanovic

2017

ANAL. SCI.

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Graphene nanocomposite modified glassy carbon electrode for voltammetric determination of the antipsychotic quetiapine

Cited by 33 publications

References 31 publications

Fully Integrated 3D-Printed Electronic Device for the On-Field Determination of Antipsychotic Drug Quetiapine

Fully Integrated 3D-Printed Electronic Device for the On-Field Determination of Antipsychotic Drug Quetiapine

Application of Fe3O4@SiO2/GO nanocomposite for sensitive and selective electrochemical sensing of tryptophan

Green Electroanalytical Method for Fast Measurement of Xanthine Oxidase Inhibitor Febuxostat

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