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February 19, 2013 at 9:09 AM

Cells of Escherichia coli labeled with an amino-specific Alexa Fluor dye and examined with a fluorescence microscope. By using pulsed light (strobed laser illumination at a smaller average intensity) and an ordinary CCD camera, one can see what flagella do as swimming cells run and tumble. 
Turner, L., Ryu, W.S. & Berg, H.C. Real-time imaging of fluorescent flagellar filaments. J. Bacteriol. 182, 2793-2801 (2000)
Credit to https://www.facebook.com/LIFEMolecularProbes

Cells of Escherichia coli labeled with an amino-specific Alexa Fluor dye and examined with a fluorescence microscope. By using pulsed light (strobed laser illumination at a smaller average intensity) and an ordinary CCD camera, one can see what flagella do as swimming cells run and tumble.

Turner, L., Ryu, W.S. & Berg, H.C. Real-time imaging of fluorescent flagellar filaments. J. Bacteriol. 182, 2793-2801 (2000)

Credit to https://www.facebook.com/LIFEMolecularProbes

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