Gomez Solano, J. R., Samin, S., Lozano, C., Ruedas-Batuecas, P., van Roij, R., & Bechinger, C. (2017). Tuning the motility and directionality of self-propelled colloids. Scientific Reports, 7: 14891. doi:10.1038/s41598-017-14126-0.