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Nanoparticle (NP) interactions with cells and organisms are mediated by a biomolecular adsorption layer, the so‐called “protein corona.” An in‐depth understanding of the corona is a prerequisite to successful and safe application of NPs in biology and medicine. In this work, earlier in situ investigations on small NPs are extended to large polystyrene (PS) NPs of up to 100 nm diameter, using human...
Biological responses of cells and organisms to nanoparticle exposure crucially depend on the properties of the protein adsorption layer (“protein corona”) forming on nanoparticle surfaces and their characterization is a crucial step toward a deep, mechanistic understanding of their build‐up. Previously, adsorption of one type of model protein on nanoparticles was systematically studied in situ by...
FLIMaging nanoparticle degradation: semiconductor and metal nanoparticle degradation has been observed in live cells over 3 d via the change of the characteristic luminescence lifetime using fluorescence lifetime imaging microscopy (FLIM). Thus, FLIM is a simple yet robust tool to examine the intracellular stability of photoluminescent nanoparticles in live cells, tissues, and organisms.
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