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whitehead home > research news > search news archives > 2005 news stories > cell-based nano machines break record > nano engines

Nano engines

Gram for gram, the power of this protozoan coil outperforms human muscles and car engines.

Start your engines. The coil of a Vorticella cell, called a spasmoneme, is among the fastest and most powerful cellular engines known.
[view video 4,577k]   Video length: 00:21

Vorticella cells with coils expanded.
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The coil, or stalk, of a Vorticella.
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Vorticella coil in the process of contracting.
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Still images captured using the LCPolScope, developed by Rudolf Oldenbourg, Guang Mei, and Mykhailo Shribak at the Marine Biological Laboratory, Woods Hole, MA. Video captured using the Centrifuge Polarizing Microscope, developed by Shinya Inoué at the Marine Biological Laboratory. Images by Danielle France.

Last updated December 2, 2005.

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