Arnaudov, L. N., Cayre, O. J., Cohen Stuart, M. A., Stoyanov, S. D., & Paunov, V. N. (2010). Measuring the three-phase contact angle of nanoparticles at fluid interfaces. Physical chemistry chemical physics : PCCP, 12(2), 328-331. https://doi.org/10.1039/b917353f