Funding for this research was provided by:
Nano Material Technology Development Program of the National Research Foundation (NRF) funded by the Ministry of Science and ICT (2016M3A7B6908929)
Received: 10 June 2019
Accepted: 11 May 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: All experimental procedures followed the OECD Guidelines for the Testing of Chemicals, No. 407 ‘Repeated Dose 28-day Oral Toxicity Study in Rodents’ & No. 408 ‘Repeated Dose 90-day Oral Toxicity Study in Rodents’ and was approved by the Institutional Animal Care and Use Committee (IACUC) of Korea Conformity Laboratories (approval No.: IA17–00181).
: Not applicable.
: All authors declare that they have no competing interests.