Journal
APPLIED SURFACE SCIENCE
Volume 618, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2023.156564
Keywords
Carbon dots; Panchromatic; Hydroxyurea; Mannose; Target; Therapy
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In this study, a series of panchromatic carbon dots were synthesized by using hydroxyurea and o-phenylenediamine as precursors and varying the solvents. The pink carbon dots (p-CDs) with a quantum yield of 46% were chosen for cellular research. After modifying the p-CDs with mannose, they could selectively target liver cancer cells and achieve naked-eye discrimination.
Using hydroxyurea and o-phenylenediamine as precursors, a series of panchromatic carbon dots were synthesized by varying the kind and amounts of solvents, and the pink carbon dots (p-CDs) with a quantum yield of 46% were chosen for cellular research. After further modifying the p-CDs with mannose, mp-CDs could selectively target liver cancer cells that overexpressed the mannose receptor and easily enter the cells via endocytosis to achieve naked-eye discrimination of liver cancer cells. In addition, the residual hydroxyurea functional group on the surface of mp-CDs is in coordination with mannose, which induces targeted killing effects on liver cancer cells. This work not only suggests a strategy for making panchromatic carbon dots by altering the solvent, but it also offers a way to identify and treat liver cancer through cellular research.
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