ArticleMikrochimica acta2019
Manganese(II)-doped carbon dots as effective oxidase mimics for sensitive colorimetric determination of ascorbic acid.
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 14 papers.
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Who cites it
14 citing papers in PubMed, 76 citations in OpenAlex.
- Preparation and Application of Carbon Dots Nanozymes.Antioxidants (Basel, Switzerland) · 2024Review
- Manganese Doping in Biomass Derived Carbon Dots Amplifies White Light-Induced Antibacterial Activity.ACS omega · 2023Article
- Article
- Dual-Channel Fluorescent/Colorimetric-Based OPD-Pd/Pt NFs Sensor for High-Sensitivity Detection of Silver Ions.Foods (Basel, Switzerland) · 2023Article
- Enhancing catalytic efficiency of carbon dots by modulating their Mn doping and chemical structure with metal salts.RSC advances · 2023Article
- Rapid and sensitive determination of ascorbic acid based on label-free silver triangular nanoplates.Current research in food science · 2023Article
- Synthesis of Doped/Hybrid Carbon Dots and Their Biomedical Application.Nanomaterials (Basel, Switzerland) · 2022Review
- MnFrontiers in bioengineering and biotechnology · 2022Article
- Highly Enhanced Enzymatic Activity of Mn-Induced Carbon Dots and Their Application as Colorimetric Sensor Probes.Nanomaterials (Basel, Switzerland) · 2021Article
- A Review on Metal- and Metal Oxide-Based Nanozymes: Properties, Mechanisms, and Applications.Nano-micro letters · 2021Review
- Progress in the Application of Carbon Dots-Based Nanozymes.Frontiers in chemistry · 2021Review
- Bright Mn-doped carbon dots for the determination of permanganate and L-ascorbic acid by a fluorescence on-off-on strategy.Mikrochimica acta · 2020Article
- Fabrication of highly active phosphatase-like fluorescent cerium-doped carbon dots forRSC advances · 2020Article
- Colorimetric determination of ascorbic acid based on carbon quantum dots as peroxidase mimetic enzyme.RSC advances · 2020Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
A colorimetric assay is presented for the determination of ascorbic acid (AA). Manganese(II) doped carbon dots (Mn-CDs) were prepared by a convenient hydrothermal route and are shown to possess oxidase-like catalytic ability. They catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) by dissolved oxygen to form a blue colored product (oxTMB). AA can reduce blue oxTMB to colorless TMB. The fading of the blue color (measured at 652 nm) can be applied for quantifying AA in the 50 to 2500 nM concentration range and with a 9 nM detection limit. The method was successfully used for the quantitation of AA in real samples. Graphical abstract Schematic representation of a colorimetric assay platform for the sensitive detection of ascorbic acid (AA) in view of inhibitory effect of AA on the 3,3',5,5'-tetramethylbenzidine (TMB) oxidation, benefitting from excellent oxidase-like catalytic activity of manganese(II) doped carbon dots (Mn-CDs).
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