ArticleAnalytical and bioanalytical chemistry2021
Visual and quantitative detection of E. coli O157:H7 by coupling immunomagnetic separation and quantum dot-based paper strip.
Article in Analytical and bioanalytical chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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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
6 citing papers in PubMed.
- Detection of Candida albicans by a sandwich assay using boronate affinity microspheres coupled with amphotericin B-time-resolved fluorescent microspheres.Analytical and bioanalytical chemistry · 2026Article
- Advances in Immunological Methods for the Detection ofSensors (Basel, Switzerland) · 2026Review
- Aptamer-functionalized magnetic beads combined with hybridization chain reaction for detection of Bacillus cereus.NPJ science of food · 2026Article
- Rapid and Simultaneous Detection of Aflatoxin BFoods (Basel, Switzerland) · 2023Article
- Paper-based sensors for bacteria detection.Nature reviews bioengineering · 2023Review
- A Portable, Cost-Effective and User-Friendly Instrument for Colorimetric Enzyme-Linked Immunosorbent Assay and Rapid Detection of Aflatoxin BFoods (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Simple and visual quantitative detection of foodborne pathogens can effectively reduce the outbreaks of foodborne diseases. Herein, we developed a simple and sensitive quantum dot (QD)-based paper device for visual and quantitative detection of Escherichia coli (E. coli) O157:H7 based on immunomagnetic separation and nanoparticle dissolution-triggered signal amplification. In this study, E. coli O157:H7 was magnetically separated and labeled with silver nanoparticles (AgNPs), and the AgNP labels can be converted into millions of Ag ions, which subsequently quench the fluorescence of QDs in the paper strip, which along with the readout can be visualized and quantified by the change in length of fluorescent quenched band. Owing to the high capture efficiency and effective signal amplification, as low as 500 cfu mL
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Registered trials
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