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. 2023 Mar 15;17(6):5296–5305. doi: 10.1021/acsnano.2c06111

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© 2023 The Authors. Published by American Chemical Society

Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).

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Composite map of U (red) and Fe (blue) of (A) UNP-exposed D. magna (320 μg U L^–1) and (B) U_ref-exposed organism (159 μg U L^–1). High-resolution (2 μm) ROI maps showing the maxillary gland and nephridium (region 1) and the heart (region 2). Scale bars represent 500 μm on the whole daphnid maps and 100 μm on the ROI maps. Elemental signal intensities are in logarithmic scale. Abbreviations: vesicle (V), maxillary gland (Mx), nephridium (N), epipodite (Ep), UNP aggregates (UA), midgut (M), peritrophic membrane (P), heart (H), and carapace (C).