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. 2020 Jun 3;8:424. doi: 10.3389/fchem.2020.00424

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Copyright © 2020 Younis, He, Lin and Huang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) In Vitro internalization of folate-GdGQDs in HeLa cells. (B) T₁and T₂-weighted MRI images of diethylenetriaminepentaacetic acid gadolinium and then decorated with FA receptor (folate-GdGQDs) at various Gd concentrations (i) and T₁-weighted MRI images of HeLa cells incubated with various concentration of folate-GdGQDs (ii); reproduced from Huang et al. (2015) with permission from the Royal Society of Chemistry.