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Fig. 1
X-ray fluorescence images of intact zebrafish. Dorsal (A, B, C) and lateral (D, E, F) views of 4.5-dpf living zebrafish larva after 24-h treatment with waterborne 100 µM MeHg-l-cysteine comparing optical images (A, D) with X-ray fluorescence images at 10 µm resolution of mercury alone (B, E), and colocalization of Hg (blue) with Zn (green) and Ca (red) (C, F).
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