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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.
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 ...
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]
Melton averaged 10.3 points and 3.3 rebounds per game with the Warriors this season, his first with the team. He signed a one-year, $12.8 million deal with the team this past offseason after he ...
It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test. It may be synthesized from toluene; more interesting is its production when acetone dicarboxylic ester is condensed with the aid of sodium. It crystallizes in colorless prisms with one molecule of water, which redden on ...
Ye, the rapper formerly known as Kanye West, is being accused of sexual assault in a lawsuit that alleges he strangled a model on a music video set in 2010 and shoved his fingers in her mouth in ...
In this action-packed episode of Football 301, Nate Tice and Charles McDonald dive deep into the most intriguing matchups of NFL Week 15.
This is the dominant protein in normal urine and is thought to be important in preventing ascending urinary infections. It is a relatively small glycoprotein (80 kDa) that aggregates into polymers of 20–30 molecules. It contains a short amino-acid sequence that can specifically bind to some free light chains. [13]