A colorimetric and smartphone dual-channel sensor for highly sensitive detection of acetone based on chemically driven redox-cycling system

Key Points

• Highly sensitive detection of acetone is achieved using a colorimetric sensor designed for smartphone integration.
• The dual-channel system enhances the reliability and accuracy of acetone measurements in various environments.
• This analysis employs a chemically driven redox-cycling system to facilitate enhanced sensor performance.
• The approach highlights the potential for portable health monitoring solutions, enabling broader accessibility for users.