Lu, Ye
Liu, Nan http://orcid.org/0000-0003-4102-2428
Liu, Yongbo
Zheng, Liming
Yang, Junhao
Wang, Jia http://orcid.org/0000-0002-5978-4191
Jia, Xia
Zi, Qinru
Peng, Hailin http://orcid.org/0000-0003-1569-0238
Rao, Yu http://orcid.org/0000-0002-4356-8531
Wang, Hong-Wei http://orcid.org/0000-0001-9494-8780
Funding for this research was provided by:
National Natural Science Foundation of China (31825009)
National Basic Research Program of China
China Postdoctoral Science Foundation (2021M701919)
Article History
Received: 11 August 2022
Accepted: 30 October 2022
First Online: 7 November 2022
Competing interests
: The authors, Hong-Wei Wang, Yu Rao, Nan Liu, Ye Lu, and Yongbo Liu have filed a patent application (202210399569.4) entitled “Fabrication of functionalized graphene grid with various charges and its application on cryo-EM analysis”. The patent, covering the procedures of graphene grid fabrication and functionalization in the manuscript and the relevant application on cryo-EM analysis, is now at the application stage. All authors declare no other competing interests.