ArticleMikrochimica acta2019
Ultrathin films of a metal-organic framework prepared from 2-methylimidazole, manganese(II) and cobalt(II) with strong oxidase-mimicking activity for colorimetric determination of glutathione and glutathione reductase activity.
Article in Mikrochimica acta, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 45 citations in OpenAlex.
- New emerging materials with potential antibacterial activities.Applied microbiology and biotechnology · 2024Review
- Recent Progress and Prospect of Metal-Organic Framework-Based Nanozymes in Biomedical Application.Nanomaterials (Basel, Switzerland) · 2024Review
- Smartphone-Assisted Colorimetric Detection of Glutathione and Glutathione Reductase Activity in Human Serum and Mouse Liver Using Hemin/G-Quadruplex DNAzyme.Molecules (Basel, Switzerland) · 2021Article
- Colorimetric and fluorescent dual-identification of glutathione based on its inhibition on the 3D ball-flower shaped Cu-hemin-MOF's peroxidase-like activity.Mikrochimica acta · 2020Article
- Colorimetric Detection of Salicylic Acid in Aspirin Using MIL-53(Fe) Nanozyme.Frontiers in chemistry · 2020Article
- A covalent triazine framework as an oxidase mimetic in the luminol chemiluminescence system: application to the determination of the antioxidant rutin.Mikrochimica acta · 2019Article
- Manganese(II)-doped carbon dots as effective oxidase mimics for sensitive colorimetric determination of ascorbic acid.Mikrochimica acta · 2019Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
Abstract
Nanosheets (NSs; type ZIF-67) of a metal organic framework (MOF) that was prepared from 2-methylimidazole, manganese(II) and cobalt(II) were obtained by an ultrasonic hydrothermal method. Their Mn(II) doping reached as much as 11.3%. The NSs inherit high porosity, a large specific surface, and a large number of active sites. They display superior oxidase-mimicking activity and can catalyze the oxidation of tetramethylbenzidine (TMB) by molecular oxygen to form blue oxTMB. Glutathione (GSH) can reduce oxTMB, so that less blue oxTMB will be present. A simple and rapid method was established for the colorimetric determination of GSH and of the activity of GSH reductase (GR), best at a wavelength of 652 nm. The response to GSH drops linearly in the 0.1-25 μM concentration range. The activity of GR can be quantified in the 0.1 - 3 mU⋅mL
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