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  2. Bial's test - Wikipedia

    en.wikipedia.org/wiki/Bial's_test

    Bial's reagent consists of 0.4 g orcinol, 200 ml of concentrated hydrochloric acid and 0.5 ml of a 10% solution of ferric chloride. [2] Bial's test is used to distinguish pentoses from hexoses; this distinction is based on the color that develops in the presence of orcinol and iron (III) chloride. Furfural from pentoses gives a blue or green color.

  3. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Reference ranges (reference intervals) for blood tests are sets of values used by a health professional to interpret a set of medical test results from blood samples. Reference ranges for blood tests are studied within the field of clinical chemistry (also known as "clinical biochemistry", "chemical pathology" or "pure blood chemistry"), the ...

  4. Manfred Bial - Wikipedia

    en.wikipedia.org/wiki/Manfred_Bial

    Manfred Bial (10 December 1869 – 26 May 1908) was a German physician who invented a test for pentoses using orcinol, now known as Bial's test. [1] Bial was born on 10 December 1869 in Breslau, the son of Max Bial. He was an assistant at the Kaiserin-Augusta-Hospital in Berlin. Bial died on 26 May 1908 in Monaco. [citation needed]

  5. Dische test - Wikipedia

    en.wikipedia.org/wiki/Dische_test

    Bial's test; References This page was last edited on 17 July 2024, at 09:05 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...

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  7. Likelihood ratios in diagnostic testing - Wikipedia

    en.wikipedia.org/wiki/Likelihood_ratios_in...

    They use the sensitivity and specificity of the test to determine whether a test result usefully changes the probability that a condition (such as a disease state) exists. The first description of the use of likelihood ratios for decision rules was made at a symposium on information theory in 1954. [ 1 ]

  8. Colon cancer: Measuring ‘biological age’ may help predict who ...

    www.aol.com/lifestyle/colon-cancer-measuring...

    According to the American Cancer Society, these rates have risen by 2% annually since 2011. “Early onset colorectal cancer (colon cancer in persons under age 50) is on the rise, but in absolute ...

  9. Liebermann reagent - Wikipedia

    en.wikipedia.org/wiki/Liebermann_Reagent

    The Liebermann reagent named after Hungarian chemist Leo Liebermann (1852-1926) is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of potassium nitrite and concentrated sulfuric acid. [1] [2] 1 g of potassium nitrite is used for every 10 mL of sulfuric acid. [3]