Portable origami paper-based photoacoustic-photothermal dual-mode device for on-site antioxidants detection

Key Points

• The device detects antioxidants effectively in various samples, allowing for real-time analysis and monitoring.
• Key metrics demonstrate a detection limit of 1 µM for selected antioxidants, showcasing its sensitivity and specificity.
• This analysis employs photoacoustic and photothermal techniques, providing a novel dual-mode detection capability.
• The approach highlights an innovative sensor, suggesting the need for further studies in diverse field conditions.