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Fig. S13 An aniline catalyst provides a modest increase in labeling of periodate-reacted glycans with aminooxy probes. Zebrafish embryos (120 hpf) were bathed in NaIO4 (1 mM, 30 min, 1st and 3rd rows) or no reagent (2nd and 4th rows), then reacted with AO-488 (100 μM, 1 h, pH 6.7) in the presence (1st and 2nd rows) or absence (3rd and 4th rows) of aniline (10 mM). Shown are maximum intensity z-projection images of AO-488 fluorescence and corresponding brightfield images. Arrowheads indicate damage to the epidermis caused by aniline. Scale bar: 200 μm.
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