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A method for quantitative determination of the rates of bacterial auxotroph mutations

✍ Scribed by Hanna Dar-Guttman; Y.S. Halpern; R. Falk

Book ID
118952023
Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
252 KB
Volume
1
Category
Article
ISSN
0027-5107

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## A metachromatic dye. 1.9-dimethylmethylene blue (DMB) reacts with bacterial endotoxins. This interaction results in a shift of the absorption maximum of DMB to shorter wavelengths. The findings indicate that the negatively charged lipid moiety of the endotoxic lipopolysaccharide reacts with DMB.