A New BNiLi Glass Sample [Li2O-B2O3-NiO] Conjugated with Poly(l-alanine)-Modified Carbon Paste Electrode for the Electrochemical Determination of Linezolid

IF 2.8 4区化学 Q3 CHEMISTRY, PHYSICAL

Electrocatalysis Pub Date : 2024-11-11 DOI:10.1007/s12678-024-00908-4

M. Abd-Elsabour, Mortaga M. Abou-Krisha, Abdulrahman G. Alhamzani, Tarek A. Yousef, Abdullah N. Alotaibi, Ehab A. Abdelrahman, Mohamed S. Mohy-Eldin

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Abstract

A new glass sample (BNiLi) was prepared by melt-quenching method. The physical nature of the glass sample was investigated via X-ray diffraction, while the atomic structure was studied via density and infrared spectroscopy. The existence of main structure units such as \({\text{BO}}_{3}\) and \({\text{BO}}_{4}\) was confirmed. Furthermore, the optical absorbance was measured, and the electronic transitions of nickel ions were revealed. Optical band gap energy was estimated for the BNiLi glass sample. The prepared BNiLi glass was used to modify a carbon paste electrode (CPE) with a polymer film of l-alanine (Ala). The obtained p-Ala@BNiLi/CPE was employed to determine linezolid (LIN) by cyclic voltammetric, linear sweep voltammetric, differential pulse voltammetric, and chronoamperometric methods. The proposed sensor achieves a low limit of detection (0.23 nM), good repeatability, and high stability. The fabricated sensor was applied to detect LIN in pharmaceutical and human serum samples.

Graphical Abstract

Abstract Image

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聚l-丙氨酸修饰碳糊电极共轭的新型BNiLi玻璃样品[li20 - b2o3 - nio]电化学测定利奈唑胺

采用熔淬法制备了一种新型玻璃样品（BNiLi）。通过x射线衍射研究了玻璃样品的物理性质，通过密度和红外光谱研究了玻璃样品的原子结构。确认了\({\text{BO}}_{3}\)、\({\text{BO}}_{4}\)等主体结构单元的存在。测量了吸光度，揭示了镍离子的电子跃迁。对BNiLi玻璃样品的光学带隙能进行了估计。将制备的BNiLi玻璃用l-丙氨酸（Ala）聚合物膜修饰碳糊电极（CPE）。得到的p-Ala@BNiLi/CPE采用循环伏安法、线性扫描伏安法、差分脉冲伏安法和计时伏安法测定利奈唑胺（LIN）。该传感器的检测限低（0.23 nM），重复性好，稳定性高。该传感器应用于制药和人血清样品中LIN的检测。图形摘要

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来源期刊

Electrocatalysis CHEMISTRY, PHYSICAL-ELECTROCHEMISTRY

CiteScore

4.80

自引率

6.50%

发文量

审稿时长

>12 weeks

期刊介绍： Electrocatalysis is cross-disciplinary in nature, and attracts the interest of chemists, physicists, biochemists, surface and materials scientists, and engineers. Electrocatalysis provides the unique international forum solely dedicated to the exchange of novel ideas in electrocatalysis for academic, government, and industrial researchers. Quick publication of new results, concepts, and inventions made involving Electrocatalysis stimulates scientific discoveries and breakthroughs, promotes the scientific and engineering concepts that are critical to the development of novel electrochemical technologies. Electrocatalysis publishes original submissions in the form of letters, research papers, review articles, book reviews, and educational papers. Letters are preliminary reports that communicate new and important findings. Regular research papers are complete reports of new results, and their analysis and discussion. Review articles critically and constructively examine development in areas of electrocatalysis that are of broad interest and importance. Educational papers discuss important concepts whose understanding is vital to advances in theoretical and experimental aspects of electrochemical reactions.