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The visualization of cells and cellular structures as well as the tracking and modulation of nucleic acid and proteins in living cells is mandatory to identifiy, map and analyze the underlying biochemical processes of cell signaling.

Fluorescent-labeled chemical reporters allow the direct detection of a specific target however, only a fraction of them is cell-permeable. The lack of cell-permeability can be overcome by protein and nucleic acid internalization kits that allow an efficient and low-toxic internalization of proteins/peptides and nucleotides, respectively.