ArticleMikrochimica acta2017
Colorimetric aggregation based cadmium(II) assay by using triangular silver nanoplates functionalized with 1-amino-2-naphthol-4-sulfonate.
Article in Mikrochimica acta, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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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
4 citing papers in PubMed.
- The Aggregation of Destabilized Ag Triangular Nanoplates and Its Application in Detection of Thiram Residues.Nanomaterials (Basel, Switzerland) · 2022Article
- Recent advances in functionalization of plasmonic nanostructures for optical sensing.Mikrochimica acta · 2021Review
- Colorimetric and dark-field microscopic determination of cadmium(II) using unmodified gold nanoparticles and based on the formation of glutathione-cadmium(II) complexes.Mikrochimica acta · 2018Article
- Application of Gold-Nanoparticle Colorimetric Sensing to Rapid Food Safety Screening.Sensors (Basel, Switzerland) · 2018Review
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Authors and funding
5 authors.
Funding
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Abstract
A colorimetric method is described for sensitive and low-cost detection of Cd(II). It is based on the use of triangular silver nanoplates (tri-AgNPs) modified with 1-amino-2-naphthol-4-sulfonate (ANS) acting as a colorimetric probe. ANS is first linked to the tri-AgNPs via electrostatic interaction of the sulfo groups. In the absence of analyte, ANS on the surface of tri-AgNPs protects them from aggregation. In the presence of Cd(II), the tri-AgNPs aggregate due to the interaction between ANS and Cd(II). This results in a distinct color change from blue (absorption peak at 710 nm) to green (peak at 770 nm). UV-vis spectrometry and image analyses demonstrate that this method exhibits selective and sensitive colorimetric response to Cd(II). The color change can be easily detected with bare eyes. Response is linear in the 30 to 70 μM concentration range, and the detection limit is 30 nM. Graphical abstract A colorimetric method for sensitive, and low-cost detection of Cd(II) based on the use of tri-AgNPs modified with ANS acting as a colorimetric probe was presented.
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Registered trials
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