ArticleMikrochimica acta2019
Fluorometric aptasensor for cadmium(II) by using an aptamer-imprinted polymer as the recognition element.
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 6 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Gold nanoparticle based fluorescent aptasensors: A chemical and biological detection perspective.BioImpacts : BI · 2025Review
- A Novel Aptamer-Imprinted Polymer-Based Electrochemical Biosensor for the Detection of Lead in Aquatic Products.Molecules (Basel, Switzerland) · 2022Article
- Picomolar or beyond Limit of Detection Using Molecularly Imprinted Polymer-Based Electrochemical Sensors: A Review.Biosensors · 2022Review
- Molecularly Imprinting-Aptamer Techniques and Their Applications in Molecular Recognition.Biosensors · 2022Review
- Recent Advances in Aptamer Sensors.Sensors (Basel, Switzerland) · 2021Review
- The Recent Advances of Fluorescent Sensors Based on Molecularly Imprinted Fluorescent Nanoparticles for Pharmaceutical Analysis.Current medical science · 2020Review
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
A fluorometric assay is described for the determination of Cd(II) in environmental and agricultural samples. It is making use of a molecularly imprinted polymer (MIP) and aptamer as dual recognition units, while carbon quantum dots (co-doped with sulphur and nitrogen) and gold nanoparticles (SN-CQD/Au) act as the fluorophores. The aptamer-modified MIP was placed on an SN-CQD/Au-modified indium tin oxide glass electrode. Cd(II) was detected with high selectivity by the recognition sites of the aptamer in the MIP. Fluorescence, with excitation/emission peaks at 370/430 nm, is quenched by Cd(II). Response is linear in the 20 pM to 12 nM concentration range. The detection limit is 1.2 pM. The sensor is selective for Cd(II), and recoveries from spiked waters, soils and vegetables real-world samples range between 82.1 and 113.9%. Graphical abstractA fluorescence sensor composed of a molecularly imprinted polymer and an aptamer as a dual identification system for Cd
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Registered trials
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