. Biophysical science. Biophysics. §18 UPtr. fef Figure 12. Bacterial flagella at 41,700 x (left) and 73,400 x haying the external contour of a counterclockwise double helix. After L. W. Labaw and V. M. Mosley, "Periodic Structure in the Flagella and Cell Walls of a Bacterium," Biochirn. et Biophys. Acta 15: 325 (1954). For particulate suspensions, such as bacteria, phages, or mitochondria, a thin plastic film is placed over the screen and then the suspension is dried on the film. It is necessary to dry all the material because the electron beam in the electron microscope operates on
. Biophysical science. Biophysics. §18 UPtr. fef Figure 12. Bacterial flagella at 41,700 x (left) and 73,400 x haying the external contour of a counterclockwise double helix. After L. W. Labaw and V. M. Mosley, "Periodic Structure in the Flagella and Cell Walls of a Bacterium," Biochirn. et Biophys. Acta 15: 325 (1954). For particulate suspensions, such as bacteria, phages, or mitochondria, a thin plastic film is placed over the screen and then the suspension is dried on the film. It is necessary to dry all the material because the electron beam in the electron microscope operates only in vacuum. In some studies, the specimens are shadowed with metallic atoms; in others,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ackerman, Eugene, 1920-. Englewood Cliffs, N. J. , Prentice-Hall
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