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NEW FIXATION FOR BIOLOGICAL MEMBRANES USING TANNIC ACIDS
TLDR
Tannic acid precipitates with polypeptides and proteins, and aldehyde makes bridges between them, and the precipitate of "protein-tannic Acid-heavy metal-complex" is fixed in the tissues and, it gives the high electron opacity corresponding to the site of proteins.
A ring-shaped structure with a crown formed by streptolysin O on the erythrocyte membrane
TLDR
On the basis of a model of the structure of SLO, some new details of the mechanisms of hemolysis by SLO toxin are proposed, and it is proposed that these parts are the constituents of a single SLO molecule.
AN ANALYSIS OF THE HISTOCHEMICAL PROCEDURE FOR SODIUM ION DETECTION
TLDR
Some aspects of the histochemical technique for the detection of sodium ions with potassium antimonate have been analyzed and the nonbuffered fixative produces a good result at the electron microscopic level.
A temperature-sensitive mutant of Newcastle disease virus defective in intracellular processing of fusion protein
TLDR
A temperature-sensitive mutant (ts3) of Newcastle disease virus was physiologically characterized and it was concluded that the defect in ts3 resides in the intracellular processing of the F protein.
Formation of Ring-Shaped Structures on Erythrocyte Membranes after Treatment with Botulinolysin, a Thiol-Activated Hemolysin from Clostridium botulinum
ABSTRACT Damage to erythrocyte membranes by botulinolysin (BLY) was studied by electron microscopy, which revealed ring-shaped structures with inner diameters and widths of approximately 32 and 6.7
Flow Cytometry Analysis of Changes in the DNA Content of the Polychlorinated Biphenyl Degrader Comamonas testosteroni TK102: Effect of Metabolites on Cell-Cell Separation
TLDR
This is the first report that hydroxy-BPs can inhibit bacterial cell separation while allowing continued DNA replication, and suggests that PCBs did not affect the DNA content of the cells directly; rather, the intermediate metabolites resulting from the degradation of PCBs caused the increase in DNA content.
Spines in the Hindgut of the Crayfish Procambarus Clarkii (Decapoda): Their Distribution and Correlation With Hindgut Muscles
TLDR
It is suggested that the spines of Procambarus clarkii are closely related to differences in the physical movement in various sections of the hindgut, indicated by the thickness of the circular muscles and rectal pads in the respective regions.
High-Speed Electron Microscope Autoradiographic Studies of Diffusible Compounds 1 , 2
TLDR
A new way to shorten exposure time for EM-ARG is proposed, by combining overdevelopment with coating both sides of the grid with emulsion, which is approximately 100 times more sensitive than the conventional method and only 4 days of exposure time are required, in contrast to the 1 month usually needed.
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