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The wide‐ranging applications of fluorescent semiconductor quantum dots (QDs) have triggered increasing concerns about their biosafety. Most QD‐related toxicity studies focus on the subcellular processes in cultured cells or global physiological effects on whole animals. However, it is unclear how QDs affect subcellular processes in living organisms, or how the subcellular disturbance contributes...
The systematic physiological behavior and toxicity of quantum dots (QDs) of three different sizes in Caenorhabditis elegans (C. elegans) is investigated by H. M. Zhang, Y. He, and co‐workers on page 3143. Endocytosis and nutrition storage are disrupted by QDs, which likely accounts for the severe deterioration in growth and longevity of C. elegans. The cover image shows the QDs exhibiting size‐dependent...
Near-infrared (NIR, 700–900 nm) fluorescent nanomaterials-based probes have shown major impacts on high-resolution and high-sensitivity bioimaging applications. Typically, NIR-emitting quantum dots (QDs) are highly promising as NIR bioprobes due to their unique optical properties. However, NIR-emitting QDs-related in vivo behavior remains unknown at present, severely limiting their wide-ranging bioapplications...
Fluorescent Ⅱ–Ⅳ Quantum dots (QDs) have demonstrated to be highly promising biological probes for various biological and biomedical applications due to their many attractive merits, such as robust photostabilty, strong photoluminescence, and size-tunable fluorescence. Along with wide ranging bioapplications, concerns about their biosafety have attracted increasingly intensive attentions. In comparison...
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