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Normal urine pH is slightly acidic, with usual values of 6.0 to 7.5, but the normal range is 4.5 to 8.0. A urine pH of 8.5 or 9.0 is indicative of a urea-splitting organism, such as Proteus, Klebsiella, or Ureaplasma urealyticum; therefore, an asymptomatic patient with a high pH means UTI regardless of the other urine test results.
The strips change color depending on the pH of the fluid. The strips will turn blue if the pH is greater than 6.0. A blue strip means it's more likely the membranes have ruptured. This test, however, can produce false positives. If blood gets in the sample or if there is an infection present, the pH of the vaginal fluid may be higher than normal.
Average urine production in adult humans is around 1.4 L (0.31 imp gal; 0.37 US gal) of urine per person per day with a normal range of 0.6 to 2.6 L (0.13 to 0.57 imp gal; 0.16 to 0.69 US gal) per person per day, produced in around 6 to 8 urinations per day depending on state of hydration, activity level, environmental factors, weight, and the ...
Low levels of 5-HIAA in the cerebrospinal fluid have been associated with aggressive behavior and suicide by violent means, correlating with diminished serotonin levels. [ 5 ] Elevated serotonin ( hyperserotonemia ) is one of the most common biological findings in autism [ 6 ] and 5-HIAA may be elevated in patients with autistic spectrum disorders.
approx. 1920 - Viennese chemist Fritz Feigl (1891–1971) publishes his technique of “spot analysis". 1930s - Urine diagnostics makes major progress as reliability improves and test performance becomes progressively easier. 1950s - Urine test strips in the sense used today were first made on industrial scale and offered commercially.
Physiologically normal intracellular pH is most commonly between 7.0 and 7.4, though there is variability between tissues (e.g., mammalian skeletal muscle tends to have a pH i of 6.8–7.1). [4] [5] There is also pH variation across different organelles, which can span from around 4.5 to 8.0. [6] [7] pH i can be measured in a number of ...
In addition, since log D is pH-dependent, the pH at which the log D was measured must be specified. In areas such as drug discovery—areas involving partition phenomena in biological systems such as the human body—the log D at the physiologic pH = 7.4 is of particular interest.
Eau Claire is known regionally for its arts and music scenes and is the hometown of indie folk band Bon Iver, whose lead singer Justin Vernon co-curated the city's annual Eaux Claires Music & Arts Festival. [17] Eau Claire is the second fastest-growing major city in Wisconsin after Madison, with 5.4% population growth between 2010 and 2020. [18]