Glikman, D., García Rey, N., Richert, M., Meister, K., & Braunschweig, B. (2022). pH effects on the molecular structure and charging state of β-Escin biosurfactants at the air-water interface. Journal of Colloid and Interface Science, 607(2), 1754-1761. doi:10.1016/j.jcis.2021.09.086.