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Another method of visualizing the Keller-Kiliani reaction is to treat the test solution with ferric chloride-containing glacial acetic acid, followed by the addition of concentrated sulfuric acid, which sinks to the bottom (like in the brown ring test for nitrates). A brown ring in the interface indicates the presence of cardenolides.
Keller's reagent can refer to two different reagents: Keller's reagent (metallurgy), used to etch aluminum alloys; Keller's reagent (organic), used to detect alkaloids
The Kiliani–Fischer synthesis, named for German chemists Heinrich Kiliani and Emil Fischer, is a method for synthesizing monosaccharides.It proceeds via synthesis and hydrolysis of a cyanohydrin, followed by reduction of the intermediate acid to the aldehyde, thus elongating the carbon chain of an aldose by one carbon atom while preserving stereochemistry on all the previously present chiral ...
In molecular biology, glycoside hydrolase family 43 is a family of glycoside hydrolases. Glycoside hydrolases EC 3.2.1. are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycoside hydrolases, based on ...
Young powered the Hawks to a wild 124-121 win over the Utah Jazz on Tuesday night with one of the most ridiculous shots of his career. Young's shot was only half of the finish at the Delta Center.
Kylie Jenner knows how to do glam. The Kylie Cosmetics founder, 27, showed her support (and some skin) for boyfriend Timothée Chalamet at the Berlin Film Festival on Friday, Feb. 14. Related ...
In molecular biology, Glycoside hydrolase family 18 is a family of glycoside hydrolases. Glycoside hydrolases EC 3.2.1. are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycoside hydrolases, based on ...
Rarely do Japanese Ants kill Asian Honeybees, but they may do some damage. A squadron of ants can easily invade a hive, drain its food reserves, and pilfer the bee’s precious eggs.