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. 2019 Oct 10;17(10):574. doi: 10.3390/md17100574

Figure 4.

Figure 4

Pigmental cells located within fibers of I. flabelliformis chitin are clearly visible using light microscopy (A) (see also Figure 3C). These cells are observable using SEM (B,C). Single-spot energy-dispersive X-ray spectroscopy (EDX) analysis shows strong evidence of the presence of bromine within individual pigmental cells (D).