Electron Microscope Autoradiography of Bacteria Labeled with Iodine-125.
The low-energy extranuclear electrons emitted by iodine-125 can be used for electron microscope autoradiography with results comparable to those obtained with tritium. Autoradiographs of tritium-labeled bacteria showed that 71 percent of all reacted grains localized on the cell. This figure was 86 percent when I(125)-labeled bacteria were used.
Kuhn
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Harford
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CG