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  2. Ehrlich's reagent - Wikipedia

    en.wikipedia.org/wiki/Ehrlich's_reagent

    Ehrlich's reagent or Ehrlich reagent is a reagent containing p-dimethylaminobenzaldehyde (DMAB) and thus can act as an indicator to presumptively identify indoles and urobilinogen. Several Ehrlich tests use the reagent in a medical test; some are drug tests and others contribute to diagnosis of various diseases or adverse drug reactions.

  3. Presumptive and confirmatory tests - Wikipedia

    en.wikipedia.org/wiki/Presumptive_and...

    For example, the Kastle–Meyer test will show either that a sample is not blood or that the sample is probably blood, but may be a less common substance. Further chemical tests are needed to prove that the substance is blood. Confirmatory tests are the tests required to confirm the analysis. Confirmatory tests cost more than simpler ...

  4. Liver function tests - Wikipedia

    en.wikipedia.org/wiki/Liver_function_tests

    Liver function tests (LFTs or LFs), also referred to as a hepatic panel or liver panel, are groups of blood tests that provide information about the state of a patient's liver. [1] These tests include prothrombin time (PT/INR), activated partial thromboplastin time (aPTT), albumin , bilirubin (direct and indirect), and others.

  5. Urobilinogen - Wikipedia

    en.wikipedia.org/wiki/Urobilinogen

    Urobilinogen is a yellow by-product of bilirubin reduction. It is formed in the intestines by the bacterial enzyme bilirubin reductase. [1] About half of the urobilinogen formed is reabsorbed and taken up via the portal vein to the liver, enters circulation and is excreted by the kidney.

  6. Reference ranges for urine tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_urine...

    Urobilinogen: 0.2 [2] 1.0 [2] Ehrlich units or mg/dL Free catecholamines, dopamine: 90 [3] 420 [3] μg/d Red blood cells (RBCs) 0 [4] [2] 2 [2] - 3 [4] per High Power Field (HPF) RBC casts: n/a 0 / negative [2] White blood cells (WBCs) 0 [2] 2 [2] pH: 5 [2] 7 [2] (unitless) Protein: 0: trace amounts [2] Glucose: n/a: 0 / negative [2] Ketones: n ...

  7. Forensic serology - Wikipedia

    en.wikipedia.org/wiki/Forensic_serology

    To perform the test, a drop of the reagent sodium alpha-napthyphosphate is added to the presumptive stain followed by a drop of fast blue B. A positive result of this test is a color change to dark purple. [4] [3] Confirmatory tests for semen include the christmas tree stain and the p30/PSA RSID kit.

  8. Urobilin - Wikipedia

    en.wikipedia.org/wiki/Urobilin

    Urobilin is generated from the degradation of heme, which is first degraded through biliverdin to bilirubin.Bilirubin is then excreted as bile, which is further degraded by microbes present in the large intestine to urobilinogen.

  9. Bilirubinuria - Wikipedia

    en.wikipedia.org/wiki/Bilirubinuria

    The increase of stercobilin (urobilin) in the feces and urine is caused by the enhanced intracellular hemolysis of erythrocytes. Formed an unconjugated bilirubin entering the intestine, gives a large number of stercobilinogen (urobilinogen). Last absorbed into the blood and passes into the urine. [citation needed]