Carboxy-like structure determines radical scavenging activity of carbon dots for rice resistance to salt stress
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Y Li, Y Ru, C Liao, X Zhang, H Xie, H Wang…
Environmental Science …, 2025
pubs.rsc.org
Carbon dots (CDs) have shown advancement in scavenging radicals. However, the potential structure–function relationship is still unclear. Here, four kinds of CDs rich in carboxyl (CDs-c), hydroxyl (CDs-h), and different contents of amino structures (CDs-a_0. 2, CDs-a_2), respectively, were prepared by regulating the raw reagent using a microwave assisted method. In vitro assays indicated that CDs-c had the highest scavenging activities against KMnO4, DPPH,· OH, and O2− radicals. The changes in the morphology and …
