Lee, Horim, Dongwhi Choi, Dong Sung Kim, and Geunbae Lim. 2015. “Capacitive Control of Spontaneously Induced Electrical Charge of Droplet by Electric Field-Assisted Pipetting”. Nano-Micro Letters 7 (4):341-46. https://doi.org/10.1007/s40820-015-0048-2.