Engineering a WTe 2 @Pt nanozyme for machine learning-empowered colorimetric H 2 O 2 detection

Key Points

• The study aims to develop a novel nanozyme for efficient H2O2 detection using machine learning methods.
• Engineered Pt-anchored WTe2 nanozyme with peroxidase-like activity.
• Utilized spectrophotometry for colorimetric detection of H2O2.
• Applied machine learning to analyze smartphone-based colorimetric images.
• Achieved a high correlation coefficient (R2 = 0.958) for colorimetric detection.
• Enabled H2O2 detection without laboratory instruments.
• Demonstrated practical applications for point-of-care testing.