Construction of Lanthanum Vanadate/Functionalized Boron Nitride Nanocomposite: The Electrochemical Sensor for Monitoring of Furazolidone

Abstract

The electrochemical sensor has received considerable attention because of the future on-time monitoring technologies. To meet the requirements of on-time monitoring applications, it is of prodigious importance to discover new catalysts for the electrochemical sensor that have good conductivity and physicochemical properties. The novelty of this work is the successful synthesis of lanthanum vanadate/functionalized boron nitride (LaV/F-BN) nanocomposites and their application toward the electrochemical detection of furazolidone (FZD). The fabricated sensors containing nanocomposites of LaV/F-BN modified electrode displayed improved electrochemical sensing behavior for the detection of FZD compared to other electrodes. This electrocatalyst showed reduction potential at −0.42 V (vs Ag/AgCl2), a low detection limit (0.003 μM), acceptable selectivity, and wide linear range (0.015–300 μM) with a correlation coefficient of 0.995, which is better than the previous literature. The enhanced catalytic activity of the proposed sensor is mainly attributed to the abundant exposed active sites, high surface area, better conductivity, rapid electron transfer, synergistic effect, and functional groups. The practical utility of the LaV/F-BN based sensor was evaluated via the determination of FZD in human blood serum and urine samples.

Synergy of the LaVO4/h-BN Nanocomposite: A Highly Active Electrocatalyst for the Rapid Analysis of Carbendazim

“…36 The stacking of the 2D nanomaterials with other heterostructures capacitates the inherent limitations of primary constituents in terms of structural instability and generates appreciable changes in the electronic structures rendering increased charge transport and conformal contact. 37 In this work we thus report, based on Kokulnathan et al, 27 LaV incorporated with h-BN in a different approach based on Liu et al 38 reported a biocompatible deep eutectic synthesis method for preparation of RE metal vanadate. The as-prepared efficient LaV/h-BN electrocatalyst applied for electrochemical determination of CZ.…”

“…In this work we thus report, based on Kokulnathan et al, LaV incorporated with h-BN in a different approach based on Liu et al reported a biocompatible deep eutectic synthesis method for preparation of RE metal vanadate. The as-prepared efficient LaV/h-BN electrocatalyst applied for electrochemical determination of CZ.…”

“…Among the plethora of binary metal-oxides, rare-earth metal orthovanadates possess unique physical and chemical properties, such as higher reversible capacity, structural stability, suitable band gaps, and environmental benignity, leading to their wide applications in various fields, namely, supercapacitors, lithium-ion batteries, fuel cell electrode materials, medical therapy, and catalysis. − These inorganic materials are supported by solid atomic magnetic moments and spin–orbit coupling along with exceptional 4f-orbital structures to form varied oxidation states and offer multiple possibilities of energy level transitions. This endows them with attractive electrochemical properties, which can be exploited for the fabrication of electrochemical sensors .…”

An Electrochemical Sensor Based on Molecularly‐Imprinted‐Polymer‐Modified Carbon Quantum Dots@hexagonal Boron Nitride Nanosheets Nanocomposites for Triclosan Determination

“…In addition, hexagonal boron nitride nanosheets (HBNNS) are called “white graphene” due to the isostructural similarity to graphene. At the same time, due to the excellent electronic properties, superior catalytic activity, mechanical properties, outstanding biocompatibility and excellent chemical stability, HBNNS have attracted significant interest in electrochemical applications, such as sensors [17–21] . Hence, it is expected that the HBNNS combined with carbon‐based materials can improve the electrochemical properties of the traditional solid electrodes [22–24] .…”

“…At the same time, due to the excellent electronic properties, superior catalytic activity, mechanical properties, outstanding biocompatibility and excellent chemical stability, HBNNS have attracted significant interest in electrochemical applications, such as sensors. [17][18][19][20][21] Hence, it is expected that the HBNNS combined with carbon-based materials can improve the electrochemical properties of the traditional solid electrodes. [22][23][24] For example, an electrochemical sensor based on 2D-hBN/f-MWCNTs nanocomposite was constructed for the simultaneous detection of β-agonists.…”