Figure 6. Alginate beads containing the fluorescent dye pyranine when irradiated by a UV lamp (above, λ = 365 nm). Below: The same alginate beads exposed to UV light following treatment in a strongly acidic solution. (Photographs: Ducci, [5])

From

Redox Reactions in Sodium Alginate Beads

Matthias Ducci

World Journal of Chemical Education. 2019, 7(2), 40-44 doi:10.12691/wjce-7-2-2