A novel potentiometric screen-printed electrode based on crown ethers/nano manganese oxide/Nafion composite for trace level determination of copper ion in biological fluids

Hassan, Saad S. M.; El-Shalakany, Hadeel H.; Fathy, Mahmoud Abdelwahab; Kamel, Ayman H.

doi:10.1007/s00604-024-06394-1

Microchim Acta

2024

DOI: 10.1007/s00604-024-06394-1

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A novel potentiometric screen-printed electrode based on crown ethers/nano manganese oxide/Nafion composite for trace level determination of copper ion in biological fluids

Saad S. M. Hassan,

Hadeel H. El-Shalakany,

Mahmoud Abdelwahab Fathy

et al.

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2024

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Cited by 2 publications

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A novel miniaturized potentiometric electrode based on carbon nanotubes and molecularly imprinted polymer for the determination of lidocaine

Hassan,

Fathy

2024

Microchim Acta

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A novel miniaturized, solid-contact potentiometric screen-printed electrode was developed for highly sensitive and selective determination of lidocaine anesthetic. The electrode integrated single-walled carbon nanotubes as a solid-contact material and a molecularly imprinted polymer as a recognition sensory material. The performance characteristics of the electrode were evaluated and optimized to display a Nernstian slope of 58.92 ± 0.98 mV/decade over a linear concentration range of 4.53 × 10−7 to 6.18 × 10−3 mol/l within < 6 s. The detection limit was 7.75 × 10−8 mol/l (18.16 ng/ml) of lidocaine. The use of the molecularly imprinted polymer significantly enhanced the selectivity of the electrode, and carbon nanotubes increased the sensitivity, accuracy, and potential stability. The electrode was successfully used for determining lidocaine in pharmaceutical preparations and human urine. The results favorably compared with data obtained by liquid chromatography–tandem mass spectrometry. Graphical abstract

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A novel miniaturized potentiometric electrode based on carbon nanotubes and molecularly imprinted polymer for the determination of lidocaine

Hassan,

Fathy

2024

Microchim Acta

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Fabrication of a novel potentiometric sensor based on graphite/carbon nanotube composite paste modified by lead(II)sulfide for efficient determination of copper(II) ions

Ogul,

Coldur,

Cubuk

2024

Chem. Pap.

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A novel potentiometric screen-printed electrode based on crown ethers/nano manganese oxide/Nafion composite for trace level determination of copper ion in biological fluids

Cited by 2 publications

References 40 publications

A novel miniaturized potentiometric electrode based on carbon nanotubes and molecularly imprinted polymer for the determination of lidocaine

A novel miniaturized potentiometric electrode based on carbon nanotubes and molecularly imprinted polymer for the determination of lidocaine

Fabrication of a novel potentiometric sensor based on graphite/carbon nanotube composite paste modified by lead(II)sulfide for efficient determination of copper(II) ions

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