Quade Paul

This is a conceptual cover illustration of a carbon nanotube attached to an Atomic Force Microscope. A biologically active molecule called biotin (B7). The nanotube with the biotin probe is then lowered onto a surface containing the protein streptavidin, known to bind biotin. By moving the nanotube up and down over the surface, the researchers can actually observe the binding of a single biotin molecule to a single protein binding site.

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Quade Paul ©Pearson