Turning waste into high-value technology, this study explores how mango peels can be transformed into tiny, light-emitting nanoparticles known as carbon quantum dots (CQDs). Using a simple and eco-friendly heating process, researchers produced CQDs with strong optical properties, especially when synthesized in just 3 hours.

These nanoparticles were then used to enhance a sensing device designed to detect diazinon, a harmful pesticide. When combined with a gold surface, the CQDs significantly improved the sensor’s performance, allowing it to detect extremely low concentrations of the chemical.

This research not only offers a greener way to produce advanced nanomaterials but also demonstrates their real-world application in protecting environmental and public health.

This study has been published by Nor Afiqah Nor Asri, ION2 student supervised by Assoc. Prof. Dr. Yap Wing Fen, in Scientific Reports (Q1) on 31 January 2026.

For more details, read the article here: https://www.nature.com/articles/s41598-025-33228-8

Date of Input: 28/04/2026 | Updated: 28/04/2026 | roslina_ar