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Nanoparticles hold a great promise in biomedical science. However, due to their unique physical and chemical properties they can lead to overproduction of intracellular reactive oxygen species (ROS). As an important mechanism of nanotoxicity, there is a great need for sensitive and high‐throughput adaptable single‐cell ROS detection methods. Here, fluorescence lifetime imaging microscopy (FLIM) is...
In article number 1800310, Nan Ma, Ulrike Alexiev, and co‐workers develop a sensitive and reproducible fluorescence lifetime based imaging assay (FLIM‐ROX) for reactive oxygen species (ROS) detection that allows the investigation of low cellular stress levels as a consequence of ROS production. Using FLIM‐ROX, the nanotoxicity of subcytotoxic amounts of nanoparticles is demonstrated by linking cellular...
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