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Journal article
ZnO-Co3O4 Nanofibers/MXene Composite with Peroxidase-Like Activity for Ascorbic Acid Detection
ACS applied nano materials
13 Apr 2024
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The growing concern about nutrient-rich diets and health monitoring has motivated the search for simple, fast, and effective methods for detecting important nutrients in foodstuffs. In this scenario, colorimetric detection using nanostructures presenting enzymatic properties (nanozymes) has gained prominence due to its experimental simplicity and low cost. In this work, zinc oxide-cobalt oxide electrospun nanofibers (ZnO-Co3O4 NFs) were combined with titanium carbide (Ti3C2Tx) MXene for the colorimetric detection of ascorbic acid. The nanocomposite (ZnO-Co3O4 NFs/Ti3C2Tx) presented peroxidase-like activity with a high affinity for the chromogenic substrate 3,3,5,5-tetramethylbenzidine and fast reaction kinetics. Taking advantage of the catalytic properties of the developed nanocomposite, ascorbic acid was detected with high sensitivity (the limit of detection was 0.58 mu mol L-1) and selectivity, even in the presence of common interferents. The colorimetric sensor even detected ascorbic acid in orange juice, revealing its potential to be used as a reliable and sensitive portable method for food analysis.
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Details
- Title
- ZnO-Co3O4 Nanofibers/MXene Composite with Peroxidase-Like Activity for Ascorbic Acid Detection
- Creators
- Murilo H. M. Facure - Brazilian Agricultural Research CorporationLuiza A. Mercante - Universidade Federal da BahiaYury Gogotsi - Drexel UniversityDaniel S. Correa (Corresponding Author) - Brazilian Agricultural Research Corporation
- Publication Details
- ACS applied nano materials
- Publisher
- Amer Chemical Soc
- Number of pages
- 9
- Grant note
- CNPq/402.287/2013-4 / CNPq; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ) 2021/11683-8; 2017/10582-8; 2018/22214-6 / Funda??o de Amparo ? Pesquisa do Estado de S?o Paulo MCTI-SisNano FAPESP; Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:001203974500001
- Scopus ID
- 2-s2.0-86000425714
- Other Identifier
- 991021871928504721
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InCites Highlights
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology