PROTECTION AGAINST ACTIONS OF X-RAYS BY GLYCEROL IN THE BACTERIAL SPORE.
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Bacillus megaterium↗
Biomedical subjects
R B WEBB
Publications and source records attributed to R B WEBB.
Glycerol and water effects on x-ray sensitivity in Staphylococcus aureus.
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Glycerol↗
Thermal annealment and nitric oxide effects on free radicals in x-irradiated cells.
Four kinds of radicals are identified in dry spores (Bacillus megaterium) after x-irradiation: those associated with singlet, doublet, triplet, and oxygen-complex types of spectra. The singlet, present only at low temperatures, gives rise irreversibly to the doublet at 25 degrees C. All hyperfine structure is depressed after annealment at 1000 degrees C and is lost when oxygen or nitric oxide is added. The physical results support the hypothesis that reactions of long-lived free radicals can account for the radiobiological phenomena of thermorestoration, nitric oxide protection, and latent oxygen effect.
Free Radicals↗
Overlap of site of action of x-ray and ultraviolet irradiation in Nocardia corallina.
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Humans↗
Thermorestoration of radiation damage in dry bacterial spores.
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Hot Temperature↗
An oxygen effect in dry bacterial spores and its temperature dependence.
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Bacillus megaterium↗
A study of the temperature dependence of radiation sensitivity of dry spores of Bacillus megaterium between 5 degrees K and 309 degrees K.
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Bacillus megaterium↗
The cell plate in bacterial cytokinesis.
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Cell Division↗
Effect of successive x-irradiation on Nocardia corallina.
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Nocardia↗
Ploidy studies on the large cells of Micrococcus aureus.
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Bacteria↗
A comparison of the crystal violet nuclear stain with other technics.
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Coloring Agents↗
The site of action of the crystal violet nuclear stain.
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Coloring Agents↗
Mitosis-like figures in Corynebacterium pseudodiphtheriticum.
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Corynebacterium↗
Cell division in Micrococcus pyogenes var. aureus.
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Cell Division↗
A useful bacterial cell wall stain.
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Bacteria↗
A cytological study of Nocardia corallina and other Actinomycetes.
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Actinobacteria↗
The appearance of vesicular nuclei in some microorganisms.
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Bacteria↗
The effect of organic solvents on the appearance of bacterial nuclei.
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Aortic Aneurysm↗