ArticleMikrochimica acta2025
Magnetic nanocomposite-based dual-readout lateral flow biosensor for sensitive and point-of-care detection of Burkholderia gladioli pv. cocovenenans in rice and milk products.
Article in Mikrochimica acta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- A Novel LAMP-Based Lateral Flow Dipstick Technique for Rapid and Visual Detection ofMolecules (Basel, Switzerland) · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
Burkholderia gladioli pv. cocovenenans (B. gladioli C.) poses a threat to consumer health, making strengthen supervision of B. gladioli C. essential. A dual-readout lateral flow biosensor was described based on the combined colorimetric and magnetic properties of polydopamine-coated Fe3O4 magnetic nanospheres (Fe3O4@PDA MNSs). The biosensor utilized a pair of monoclonal antibodies (mAb) as specific recognition module for point-of-care detection of B. gladioli C. The mAbs demonstrated a limit of detection (LOD) of 4.17 × 104 CFU mL− 1 for B. gladioli C. via sandwich ELISA. The developed Fe3O4@PDA-based lateral flow assay (LFA) utilized immunomagnetic separation and enrichment capabilities of Fe3O4@PDA-mAb probe for sample pretreatment. This assay facilitated both colorimetric and magnetic analysis modes, allowing for a visual LOD of 1.0 × 104 CFU mL− 1 and a quantitative LOD of 2.32 × 103 CFU mL− 1. Compared with the gold nanoparticles-based LFA, this method achieved an approximately ninefold increase in detection sensitivity. Moreover, the assay exhibited reliable performance with recoveries ranging from 81.0% to 103.5% in rice noodle and milk samples. The validation with a panel of 20 milk samples further confirmed its potential for application to complex matrix. These results indicated that the proposed Fe3O4@PDA-based LFA offered a practical and rapid solution for screening B. gladioli C. contaminants in food safety application.
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Registered trials
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