Synthesis of alkaline protease modified ALPs-V2O5/MCM-41 nanocomposite and their multifunctional applications as an efficient photocatalytic, antibacterial and DPPH radicals stabilizing agent

IF 6.3 3区工程技术 Q1 ENGINEERING, CHEMICAL Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-17 DOI:10.1016/j.jtice.2025.106136

Khalil ur Rehman , Imen Zghab , Mohammed Alissa , Kamran Tahir , Amira K. Hajri , Ferjeni Zouidi , Abdullah Alghamdi , Suad A. Alghamdi , Mohammed A. Alshehri , Alaa S. Alhegaili

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Abstract

Background

The development of eco-friendly and sustainable nanomaterials is crucial for environmental safety and biomedical applications. This study presents a novel approach to synthesizing vanadium oxide-doped MCM-41 nanocomposites (V₂O₅/MCM-41) using an alkaline protease (ALPs) extracted from Phalaris minor seeds.

Method

The ALPs-assisted synthesis method was employed for the first time to fabricate V₂O₅/MCM-41 nanocomposites, and their physicochemical properties were characterized to determine size, morphology, and crystallinity.

Significant findings

The synthesized ALPs-V₂O₅/MCM-41 nanocomposites exhibited outstanding photocatalytic performance, achieving 97 % degradation of bromothymol blue (BTB) within 50 min of irradiation. Additionally, the synthesized nanocomposites exhibited strong antibacterial properties against Escherichia coli and Staphylococcus aureus, with inhibition zones measuring between 22(±0.3) mm and 31(±0.4) mm under both illuminated and non-illuminated conditions. Moreover, they exhibited remarkable antioxidant properties, with an 88 % scavenging efficacy against 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals.

Conclusion

These findings highlight the potential of ALPs-V₂O₅/MCM-41 nanocomposites as a sustainable and multifunctional material for environmental remediation and antimicrobial applications, paving the way for further research in eco-friendly nanotechnology.

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碱性蛋白酶修饰ALPs-V2O5/MCM-41纳米复合材料的合成及其作为高效光催化、抗菌和DPPH自由基稳定剂的多功能应用

开发生态友好和可持续的纳米材料对于环境安全和生物医学应用至关重要。本研究提出了一种利用从Phalaris minor种子中提取的碱性蛋白酶（ALPs）合成氧化钒掺杂MCM-41纳米复合材料（V₂O₅/MCM-41）的新方法。方法首次采用alps辅助合成方法制备V₂O₅/MCM-41纳米复合材料，并对其物理化学性质进行表征，以确定尺寸、形貌和结晶度。合成的ALPs-V₂O₅/MCM-41纳米复合材料表现出出色的光催化性能，在照射50分钟内实现了97%的溴百里香酚蓝（BTB）降解。此外，合成的纳米复合材料对大肠杆菌和金黄色葡萄球菌具有较强的抗菌性能，在光照和非光照条件下，其抑制区在22（±0.3）mm至31（±0.4）mm之间。此外，它们还表现出显著的抗氧化性能，对2,2-二苯基-1-苦味酰肼（DPPH）自由基的清除率达到88%。这些发现突出了ALPs-V₂O₅/MCM-41纳米复合材料作为环境修复和抗菌应用的可持续和多功能材料的潜力，为进一步研究环保纳米技术铺平了道路。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.