Results 1 to 10 of about 582,830 (241)
Serum diamine oxidase (DAO) activity as a diagnostic test for histamine intolerance [PDF]
Clinical and Translational Allergy, 2011 Background Histamine intolerance (HIT) is characterized by an imbalance between histamine intake and the capacity for histamine degradation. The main enzyme for metabolizing ingested histamine is diamine oxidase (DAO). Determining DAO activity in serum may be useful in diagnosing HIT.
Music Ema +4 more
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Methods for Storing Oxidase Test Reagents [PDF]
Applied Microbiology, 1969 Oxidase test reagents are notoriously unstable, but they can be held ready for use if frozen or if reagent-impregnated filter paper is kept dry.
A L Barry, K. L. Bernsohn
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Rapid, modified oxidase test for oxidase-variable bacterial isolates [PDF]
Journal of Clinical Microbiology, 1982 A modified oxidase reagent, 1% tetramethyl-p-phenylenediamine in dimethyl sulfoxide, proved superior to the routinely used 1% aqueous tetramethyl-p-phenylenediamine dihydrochloride in detecting weakly oxidase-positive gram-negative bacteria after 24 h of growth on agar media (40 of 40 positive versus 22 of 40 positive).
Jeffrey J. Tarrand, D Gröschel
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Fatal
Annals of Clinical Microbiology and Antimicrobials, 2009 Background Chromobacterium violaceum is a Gram negative facultative anaerobic bacillus, found in soil and stagnant water, that usually has a violet pigmented appearance on agar culture. It is rarely described as a human pathogen, mostly from tropical and
Mayxay Mayfong +9 more
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APPLICATION OF THE OXIDASE TEST TO REFRIGERATED DELICATESSEN FOODS [PDF]
Journal of Milk and Food Technology, 1969 A total bacterial count, oxidase count, coliform, and yeast and mold count was made on each of 135 samples of delicatessen foods collected at retail outlets and food processing plants. Analysis of the data obtained, primarily through correlation of the total count, oxidase and coliform counts, allowed for an assessment of possible sources of bacterial ...
Lester Hankin, William W. Ullmann
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Rapid oxidase method for testing oxidase-variable Aeromonas hydrophila strains [PDF]
Journal of Clinical Microbiology, 1981 A rapid, same-day oxidase test procedure which obviates the problem of false-negative oxidase reactions of Aeromonas hydrophila removed from the surface of differential media such as MacConkey agar is described. This method allows oxidase testing to be performed within 3 h, rather than delaying the oxidase test for an additional 18 to 24 h.
L K Hunt, T L Overman, R. B. Otero
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The oxidase test in yeasts of medical importance [PDF]
Journal of Medical Microbiology, 1987 The results of an oxidase test were positive with species of Cryptococcus and eight species of Candida, but negative with Candida krusei and species of Saccharomyces and Torulopsis, grown on Columbia Agar base and similar media, including Brain Heart Infusion Agar and Mueller Hinton Agar.
G. Nobre, M J Charrua, M. M. Silva
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Inhibitory Effect of Fluoride on Glucose Tests with Glucose Oxidase Strips [PDF]
Clinical Chemistry, 1975 Abstract Sodium fluoride was inadvertently added as a preservative to the urine of an eight-year-old boy with diabetes mellitus before urinary glucose was measured. On preliminary screening of the urine, the test by glucose oxidase paper reagent strip gave a negative reading for glucose, whereas quantitative urinary glucose assay by the ...
John W. Onstad +2 more
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Immobilization of Glucose Oxidase on Polypropylene Micro Test Plate
International Journal of Scientific Research in Science and Technology, 2020 In this paper, we report a precise, reliable, cost effective and sensitive method of immobilization of Glucose oxidase GOx) onto polypropylene microtest plate (PPµTP). Assaying of the immobilized enzyme is carried out by spectrophotometer ¬free image¬ based method.
Azmi Naqvi, Dinesh C Sharma
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A COMPARISON OF THE OXIDASE TEST AND THE WISCONSIN MASTITIS TEST FOR THE DETECTION OF ABNORMAL MILK1 [PDF]
Journal of Milk and Food Technology, 1969 An oxidase reaction with tetramethyl-p-phenylenediamine hydrochloride (TMPD) was carried out in 179 samples of raw milk. Results of the oxidase test were compared with those of the Wisconsin Mastitis Test (WMT). With an increase in the. WMT value, particularly above 20, the percentage of samples with TMPD in the leuco form increased.
C. Vanderzant, R. Nickelson
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