Figure 12. An example of the gel generated from cicada shells after dialysis against 12,000-14,000 Da molecular weight cutoff.

From

Cicada Shells as Chemical Education Resources to Study Functional Groups and Environmental Cycles

Naoki Maruyama, Toratane Munegumi

World Journal of Chemical Education. 2023, 11(4), 127-133 doi:10.12691/wjce-11-4-1