Amperometric Detection of Urea by Polyaniline and Poly(O-anisidine) Film under Galvanostatic Method: A Comparative Study

Folane, S.A.; Paithankar, K.S.; Deshmukh, V.B.; Shelke, U.N.; Iyyer, S. B.; Gade, V.K.

doi:10.14233/ajchem.2019.21594

Asian J. Chem.

2018

DOI: 10.14233/ajchem.2019.21594

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Amperometric Detection of Urea by Polyaniline and Poly(O-anisidine) Film under Galvanostatic Method: A Comparative Study

S.A. Folane¹,

K.S. Paithankar²,

V.B. Deshmukh³

et al.

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A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

Nia¹,

Kheiri²,

Jannatdoust³

et al. 2021

J. Electrochem. Soc.

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Herein, we have developed a highly sensitive non-enzymatic biosensor for the detection of the urea using nickel-manganese oxo/hydroxo metal nanoparticles on reduced graphene oxide, and these nanocomposites were made using the hydrothermal reduction method. Then, the characteristics of these nanocomposites were examined using Fourier transform infrared spectroscopy (FT-IR spectroscopy), energy-dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), inductive coupled plasma (ICP), XRD surface mapping, X-ray Diffraction (XRD) and transmission electron microscopy (TEM). Next, a working electrode modification process was conducted via the electro-polymerization of nanocomposites with aniline on the surface of a screen-printed electrode. We realized that reduction and blocking of all graphene oxide functional groups is important in increasing of sensitivity and prevent protonation of aniline by graphene. Finally, the sensitivity of the modified electrode to urea was evaluated by the cyclic voltammetry method. The results indicate that the sensor works within an acceptable linear range 30 μM to 3.3 mM, (R2 = 0.995, n = 3). Highly sensitivity and the limit of detection are roughly 5139.2 μA mM−1 cm−2 and 16.3 μM, respectively. The sensor demonstrated impressive stability and significant anti-interference properties. Based on these features, it can be concluded that the fabricated sensor is reliable for the non-enzymatic detection of urea.

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A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

Nia¹,

Kheiri²,

Jannatdoust³

et al. 2021

J. Electrochem. Soc.

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Recent Advances in the Electrochemical Synthesis of Copolymers Bearing π-Conjugated Systems and Methods for the Identification of their Structure

Jarosz

Stolarczyk

Glosz

2020

COC

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The main goal of this review is to summarise the most recent progress in the electrochemical synthesis of copolymers from conjugated co-monomers. The main approaches to electrochemical copolymerisation are highlighted and various trends in the development of new copolymer materials and the intended directions of their applications are explored. The article includes a discussion of various Authors’ approaches to investigate the structure of the obtained products, indicating the key points of interest and the importance of comprehensive identification of the products of electrochemical polymerisation.

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Amperometric Detection of Urea by Polyaniline and Poly(O-anisidine) Film under Galvanostatic Method: A Comparative Study

Cited by 2 publications

References 0 publications

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

Recent Advances in the Electrochemical Synthesis of Copolymers Bearing π-Conjugated Systems and Methods for the Identification of their Structure

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Amperometric Detection of Urea by Polyaniline and Poly(O-anisidine) Film under Galvanostatic Method: A Comparative Study

Cited by 2 publications

References 0 publications

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)2/Mn3O4/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)2/Mn3O4/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

Recent Advances in the Electrochemical Synthesis of Copolymers Bearing π-Conjugated Systems and Methods for the Identification of their Structure

Contact Info

Product

Resources

About

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes

A Highly Sensitive Non-Enzymatic Urea Sensor Based on Ni(OH)₂/Mn₃O₄/rGO/PANi Nanocomposites Using Screen-Printed Electrodes