Eco-friendly AuNPs@rGO nanocomposite as a peroxidase-mimic for cholesterol detection

Key Points

• The aim is to develop a green synthesis method for an artificial enzyme that detects cholesterol.
• Utilized green synthesis to create gold nanoparticles-reduced graphene oxide (AuNPs@rGO) nanocomposite.
• Evaluated the colorimetric detection method for cholesterol.
• Assessed sensitivity and selectivity of the nanocomposite as a peroxidase mimic.
• The AuNPs@rGO showed high sensitivity and selectivity for cholesterol detection.
• Colorimetric changes correlated well with cholesterol concentration, indicating effective detection capabilities.
• Demonstrated potential for eco-friendly applications in biosensing.