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Quantum dot materials are increasingly used in cellular assays, and offer a powerful and enabling complement to existing methods of labeling proteins, such as green fluorescent protein. These materials give researchers the ability to study specificity and functional responses in cellular systems,...
Fluorescently tagged drug molecules can be successfully employed to visualize the location of their receptor target at the single-cell level. Furthermore, if their binding to the receptor is reversible, one can now obtain detailed pharmacological information such as affinity using single-molecule...