Unraveling the potential of heteroanionic titanium oxycarbide photocatalysts for detoxifying SARS-Cov-2 antigen rapid test kit reagent solution in water sources

IF 1.2 4区综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES

Kuwait Journal of Science Pub Date : 2024-05-03 DOI:10.1016/j.kjs.2024.100241

Yathavan Subramanian , Anitha Dhanasekaran , Yen Pei Fu , Minh Thang Le , Lukman Ahmed Omeiza , ABM Kamrul Hasan , John T.S. Irvine , Abul K. Azad

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引用次数: 0

Abstract

In the last few years, the COVID-19 pandemic has increased the usage of antigen rapid test (ART) kits and improper disposal of these kits has led to the mixing of toxic chemical compounds present in the ART reagent solution container into drinking water sources. When consumed with drinking water, these compounds can be harmful and toxic to both humans and aquatic life. Therefore, this research presents a study on the photocatalytic degradation of the Antigen Rapid Test-Reagent solution (ART-RS) using a single-phase titanium oxycarbide - TiO_0.25 C_0.75 (TiOC) photocatalyst synthesized through a solid-state reaction. The synthesized samples were studied using various characterization tools to analyze their structural, morphological, and optical characteristics. In the photocatalytic experiment, it was found that the synthesized titanium oxycarbide photocatalyst exhibited superior ART-RS degradation efficiency of 77% compared to commercial titanium dioxide (22%). The improved photocatalytic degradation efficiency of ART-RS is attributed to a combination of several factors. These factors include a narrower band gap, more efficient charge transfer kinetics, enhanced absorption of visible light, and an upward shift of the valence band (VB) edge in titanium oxycarbide. These collective effects contribute to the enhanced ART-RS photocatalytic degradation activity.

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揭示异阴离子碳氧钛光催化剂在水源中解毒 SARS-Cov-2 抗原快速检测试剂盒试剂溶液的潜力

在过去几年中，COVID-19 大流行增加了抗原快速检测试剂盒（ART）的使用量，而这些试剂盒的不当处理导致 ART 试剂溶液容器中的有毒化合物混入饮用水源。一旦与饮用水一起饮用，这些化合物就会对人类和水生生物造成危害和毒性。因此，本研究利用通过固态反应合成的单相碳化钛 - TiO0.25 C0.75 (TiOC) 光催化剂，对抗原快速检测试剂溶液（ART-RS）进行光催化降解研究。研究人员使用各种表征工具对合成样品的结构、形态和光学特性进行了分析。在光催化实验中发现，与商用二氧化钛（22%）相比，合成的氧碳化钛光催化剂的 ART-RS 降解效率高达 77%。ART-RS 光催化降解效率的提高归因于几个因素的综合作用。这些因素包括更窄的带隙、更高效的电荷转移动力学、对可见光的吸收增强以及碳化钛价带（VB）边缘上移。这些综合效应增强了 ART-RS 的光催化降解活性。

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来源期刊

Kuwait Journal of Science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

28.60%

发文量

132

期刊介绍： Kuwait Journal of Science (KJS) is indexed and abstracted by major publishing houses such as Chemical Abstract, Science Citation Index, Current contents, Mathematics Abstract, Micribiological Abstracts etc. KJS publishes peer-review articles in various fields of Science including Mathematics, Computer Science, Physics, Statistics, Biology, Chemistry and Earth & Environmental Sciences. In addition, it also aims to bring the results of scientific research carried out under a variety of intellectual traditions and organizations to the attention of specialized scholarly readership. As such, the publisher expects the submission of original manuscripts which contain analysis and solutions about important theoretical, empirical and normative issues.