Retraction Note to: Nanoscale Res Lett (2021) 16:111

https://doi.org/10.1186/s11671-021-03559-2

The Editors in Chief have retracted this article. After publication, concerns were raised regarding the unlikely appearance of the data presented in the flow cytometry histograms in Fig. 1D. The authors did not respond to the request to comment and provide raw data or evidence of the ethics approval. The editors, therefore, have lost confidence in the integrity of the article's findings. The editors were not able to obtain a current email address for Author Gang Deng. Authors have not responded to any correspondence from the editor or publisher about this retraction.