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Landmarks—Atomic Force Microscope Makes Angstrom-Scale Images

Physics 5, 106 (2012) – Published September 21, 2012

The atomic force microscope, introduced in 1986, provided atomic-scale pictures of surfaces, with few limitations on the type of sample.

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Ripples on a Cell

Phys. Rev. Focus 24, 19 (2009) – Published November 13, 2009

Detailed images of surface waves on the membrane of a living cell support a theory that the protein machinery involved in the cell’s locomotion are responsible for the waves.

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When Membranes Collide

Phys. Rev. Focus 14, 20 (2004) – Published November 16, 2004

Researchers have measured the energy required for two membranes to fuse–the process that occurs when a virus attacks a cell.

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Flexibility of Cell Membranes

Phys. Rev. Focus 7, 9 (2001) – Published February 23, 2001

A new technique measures the mechanical properties of cell membranes by watching the motion of small beads attached to 20-micrometer-diameter bubbles of membrane surrounded by a layer of protein.