ArticleSensors (Basel, Switzerland)2025
Enhanced Emission of Fluorescein Label in Immune Complexes Provides for Rapid Homogeneous Assay of Aflatoxin B1.
Article in Sensors (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Fluorescence Immunosensor with Phage Antibodies for Heat Shock Protein 70 Detection.Biosensors · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Homogeneous fluorescence immunoassays are in high demand due to their simplicity, rapidity, sensitivity, and specificity. These methods typically utilize immune-induced changes in the rotational mobility of the fluorophore with depolarization of plane-polarized excitation light (FPIA, etc.) or fluorescence quenching based on intramolecular energy transfer (FRET, etc.). This article presents an immunoassay based on enhanced emission of the fluorescein label in immune complexes. Over the entire history of fluorescence immunoassay research, this effect has been described in a few papers, while it allows overcoming the limitations of prevailing approaches. We discovered the assay for detecting aflatoxin B1 (AFB1), a widespread toxic contaminant of agricultural products. The one-step assay procedure consists of mixing the sample with antibodies and fluorescently labeled AFB1, accompanied by fluorescence measurement. This method enables the detection of AFB1 at concentrations up to 200 pg/mL in 10 min, including measurements in complex samples (corn extracts). Minimal manipulations in the course of the testing also provide high accuracy. The AFB1 revealed in contaminated corn samples was in the range of 76-136%. The influence of immune complex formation on the fluorescent label's emission can be easily tested and serve as a basis for applying this principle to other diverse analytes and various kinds of samples.
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Registered trials
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