Figure 4. Solutions containing water and pyranine (left) and water, pyranine and lecithin (right), after sonication and under UV light exposure

From

Experiment on the Self-Aggregation of Amphiphiles

Elena von Hoff, Silan Toy, Thomas Waitz, Ingo Mey

World Journal of Chemical Education. 2019, 7(2), 185-188 doi:10.12691/wjce-7-2-19