Figure 1. The bleeding chestnut branch: Starting from the cut surface of a chestnut branch dipped in ethanol, blue fluorescent streaks of aesculin appear under UV light (λ = 365 nm). (Photograph: Ducci)

From

Fascinating school experiments with fluorescent dyes

Matthias Ducci

World Journal of Chemical Education. 2023, 11(3), 74-79 doi:10.12691/wjce-11-3-9