Cu2V4O11 nanorods: Inherent peroxidase catalytic activity and application in colorimetric detection of hydrogen peroxide and glucose

IF 3.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Solid State Sciences Pub Date : 2025-03-26 DOI:10.1016/j.solidstatesciences.2025.107917

Ping Wang , Xiufang Zhang , Jingtian Chi , Qingbao Du , Shanding Zhou , Boyang Zhang , Xiaofei Yin , Peng Ju

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引用次数: 0

Abstract

In this work, novel Cu₂V₄O₁₁ nanorods (CVNRs) were meticulously synthesized employing an exquisite one-pot hydrothermal technique, thereby endowed with an inherent peroxidase-like prowess capable of catalyzing the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) to produce a blue color reaction in the presence of H₂O₂. Kinetic examinations revealed that CVNRs exhibited a 3.36-fold increased affinity for TMB in comparison to the natural enzyme horseradish peroxidase, and the catalytic response derived from CVNRs adhered to a ping-pong mechanism. Free radical trapping experiments corroborated the pivotal role of ·O₂⁻ radicals in establishing the dominant oxidant for TMB oxidation. Hence, a sensitive visual assessment platform, grounded in CVNRs, was engineered for the detection of H₂O₂ and glucose. The limit of detection for H₂O₂ and glucose were 0.054 μM and 2.24 μM, respectively, and the detection ranges were 1–50 μM and 10–75 μM, respectively. Most notably, the visual platform harbored exceptional stability, selectivity, and anti-interference capabilities. This research not only bestows upon CVNRs an extraordinary capability to discern H₂O₂ and glucose within practical samples, but also expands the realm of application for CVNRs in the domains of environmental preservation, forensic science and biomedical diagnosis.

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来源期刊

Solid State Sciences 化学-无机化学与核化学

CiteScore

6.60

自引率

2.90%

发文量

214

审稿时长

27 days

期刊介绍： Solid State Sciences is the journal for researchers from the broad solid state chemistry and physics community. It publishes key articles on all aspects of solid state synthesis, structure-property relationships, theory and functionalities, in relation with experiments. Key topics for stand-alone papers and special issues: -Novel ways of synthesis, inorganic functional materials, including porous and glassy materials, hybrid organic-inorganic compounds and nanomaterials -Physical properties, emphasizing but not limited to the electrical, magnetical and optical features -Materials related to information technology and energy and environmental sciences. The journal publishes feature articles from experts in the field upon invitation. Solid State Sciences - your gateway to energy-related materials.