Aptamer-functionalized Fe3O4@Au nanoparticles for ultrasensitive fluorescence detection of chloramphenicol in food samples

Key Points

• Chloramphenicol detection achieved sensitivity as low as 0.5 ng/mL using nanoparticle technology.
• Utilizing aptamer-functionalized Fe3O4@Au nanoparticles significantly improves the fluorescence detection process.
• Assessment employed fluorescence measurement techniques to analyze food samples for chloramphenicol contamination.
• This finding supports new food safety protocols, emphasizing the need for sensitive detection methods.