Received: 28 September 2019
Accepted: 12 August 2020
First Online: 30 September 2020
: A patent covering the layered liquid reactors described in this work (number WO2020/153739) has been filed by the Institute of Basic Science, Republic of Korea, listing O.C., M.D., B.M.-K., Y.I.S. and B.A.G. as inventors.