. 2022 Oct 10;27(19):6771. doi: 10.3390/molecules27196771
© 2022 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 1.
Preparation flow chart of c-GQDs and o-GQDs.