ArticleAnalytical chemistry2022
Bacteria Detection at a Single-Cell Level through a Cyanotype-Based Photochemical Reaction.
Article in Analytical chemistry, 2022. 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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Who cites it
4 citing papers in PubMed.
- Smart bactericidal textile enabling in-situ visual assessment of antimicrobial activity.Materials today. Bio · 2025Article
- Halochromic Bacterial Cellulose/Anthocyanins Hybrid Polymer Film with Wound-Healing Potential.Polymers · 2024Article
- Identifying antibiotic-resistant strains via cell sorting and elastic-light-scatter phenotyping.Applied microbiology and biotechnology · 2024Article
- Paper-based sensors for bacteria detection.Nature reviews bioengineering · 2023Review
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Authors and funding
10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The detection of living organisms at very low concentrations is necessary for the early diagnosis of bacterial infections, but it is still challenging as there is a need for signal amplification. Cell culture, nucleic acid amplification, or nanostructure-based signal enhancement are the most common amplification methods, relying on long, tedious, complex, or expensive procedures. Here, we present a cyanotype-based photochemical amplification reaction enabling the detection of low bacterial concentrations up to a single-cell level. Photocatalysis is induced with visible light and requires bacterial metabolism of iron-based compounds to produce Prussian Blue. Bacterial activity is thus detected through the formation of an observable blue precipitate within 3 h of the reaction, which corresponds to the concentration of living organisms. The short time-to-result and simplicity of the reaction are expected to strongly impact the clinical diagnosis of infectious diseases.
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