A Turbidimetric Method for the Assay of Pyocin Activity
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چکیده
منابع مشابه
A turbidimetric method for the assay of hyaluronidase.
A variety of methods have been devised for the assay of the enzyme hyaluronidase. These may be divided into four types: (a) measurement of the “spreading effect” in the skin of rabbits and guinea pigs (1, 2), (b) reduction of viscosity (3,4), (c) prevention of mucin clot formation (5), and (d) chemical measurement of total reducing substances, N-acetylglucosamine, or glucuronic acid liberated o...
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A rapid, simple assay method has been developed for antiviral antibodies. The technique has been applied to antisera, immune gamma-globulins, and immunospecifically purified antibody for two strains of influenza virus, Asian 305 and PR8, and to antisera to tobacco mosaic virus. Turbidity changes due to the specific interaction of a virus with its antibody were measured by the increase in optica...
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Improved turbidimetric assay for lysozyme in urine.
I describe an improved turbidimetric assay for lysozyme in urine. This method is simple, reproducible, linear over a 100-fold concentration range, sensitive to concentrations as low as 10 micrograms/L, and only commercially available products are required. Evaluation of urinary lysozyme concentration with this assay demonstrated a within-run and between-run CV of 9.9% and 4.8%, respectively, fo...
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PENTACHLOROPHEXOL (PCP) is used widely iii agriculture and industry because of its broad spectrum of toxicity for lower plants and animals. The solubility of PCI’ in organic solvents and the solubility of its salts in aqueous solutions accounts for its wide range of applications. PCP may enter the body by way of inhalation, ingestion, or absorption through the skin (1). Regardless of the route ...
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ژورنال
عنوان ژورنال: Journal of General Microbiology
سال: 1971
ISSN: 0022-1287
DOI: 10.1099/00221287-68-2-227