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Contact: James Riordon
riordon@aps.org
301-209-3238
American Physical Society

Injecting a Cell

Caption: The timed expansion and collapse of two bubbles creates a liquid jet that can penetrate a fine hole in the membrane of a cell. From left to right: A laser (green circle) focused inside a water bath locally vaporizes the liquid, creating an expanding bubble (light blue). Just after the first bubble reaches its maximum size, a second laser (red circle) generates another bubble. As the second bubble expands and the first bubble collapses, a rush of liquid forms along the vertical line between the two, creating a high-speed liquid jet that accelerates toward the cell with enough force to penetrate the membrane.

Credit: Alan Stonebraker, American Physical Society

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Related news release: Single cell injections


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