Semiquantitative and visual detection of ferric ions in real samples using a fluorescent paper-based analytical device constructed with green emitting carbon dots

He, Mengyuan; Xiao, Yu; Wei, Yuanhang; Zheng, Bo

doi:10.1039/d3ra05320b

RSC Adv.

2023

DOI: 10.1039/d3ra05320b

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Semiquantitative and visual detection of ferric ions in real samples using a fluorescent paper-based analytical device constructed with green emitting carbon dots

Mengyuan He,

Yu Xiao,

Yuanhang Wei

et al.

Abstract: A simple and portable paper-based analytical device based on green emitting carbon dots was developed for visual and semiquantitative detection of ferric ion in real water samples.

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Cited by 5 publications

References 39 publications

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Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications

Wan,

Cui,

et al. 2024

Luminescence

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Herein, a kind of N‐doped fluorescent carbon dots (N‐CDs) were prepared by using melamine and carboxymethyl cellulose (CMC) as precursors through a straightforward hydrothermal method. The designed sensor displayed a uniform nanoscale distribution, excellent hydrophilicity, and strong fluorescence emission with a fluorescence quantum yield of 37.98%. Moreover, the N‐CDs could be utilized for Fe3+ detection by the fluorescence “On–Off” transition via the mechanism of internal filtration effect (IFE) and static quenching process. Two good linear relationships within the concentrations of Fe3+ from 10 to 100μM and 100 to 500 μM could be obtained, which indicated that the “On–Off” fluorescent sensor could quantitative analysis of Fe3+ and the calculated detection limit (LOD) was 0.510 μM (3σ/slope). Additionally, the N‐CDs could be used for the detection of Fe3+ in the solid phase based on the fluorescence “On–Off” strategy, which is promising for anticounterfeiting application.

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Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications

Wan,

Cui,

et al. 2024

Luminescence

View full text Add to dashboard Cite

show abstract

Crafting carbon quantum dots from acetone: dual purpose Fe3+ ion and pH sensing platform

D’Souza,

Jadhav,

Bhosale

et al. 2024

emergent mater.

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Fe3+ ion quantification with reusable bioinspired nanopores

Wang,

Hou,

Huo

et al. 2025

Chinese Chemical Letters

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Semiquantitative and visual detection of ferric ions in real samples using a fluorescent paper-based analytical device constructed with green emitting carbon dots

Abstract: A simple and portable paper-based analytical device based on green emitting carbon dots was developed for visual and semiquantitative detection of ferric ion in real water samples.

Cited by 5 publications

References 39 publications

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications

Crafting carbon quantum dots from acetone: dual purpose Fe3+ ion and pH sensing platform

Fe3+ ion quantification with reusable bioinspired nanopores

Contact Info

Product

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About

Semiquantitative and visual detection of ferric ions in real samples using a fluorescent paper-based analytical device constructed with green emitting carbon dots

Abstract: A simple and portable paper-based analytical device based on green emitting carbon dots was developed for visual and semiquantitative detection of ferric ion in real water samples.

Cited by 5 publications

References 39 publications

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe3+ Detection and Anticounterfeiting Applications

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe3+ Detection and Anticounterfeiting Applications

Crafting carbon quantum dots from acetone: dual purpose Fe3+ ion and pH sensing platform

Fe3+ ion quantification with reusable bioinspired nanopores

Contact Info

Product

Resources

About

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications

Sensitive “On‐Off” Fluorescent Sensor From N‐Doped Carbon Dots for Fe³⁺ Detection and Anticounterfeiting Applications