Enhanced lateral flow immunoassay for point-of-care monitoring of sulfamethazine residues based on antibody labeled with Au/Ir@Cu/Zn-MOF signal amplification

Puntos clave

• The developed assay shows remarkable sensitivity for sulfamethazine detection, enhancing food safety measures.
• Detection limit reached as low as 0.1 ppb, indicating high efficiency of the nanocomposite used.
• Analysis utilizing Au/Ir@Cu/Zn-MOF as a signal amplification probe reveals strong performance in environmental monitoring.
• Findings highlight potential for broader applications in rapid testing, underscoring need for external validation.