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hydroxyl group

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.02 sec.
hydroxyl group (hī·drkˑ·sl grōōpˑ),
n the functional group (—OH) found in molecules of alcohols and water.


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The solid plasticizer comprises at least two different benzotriazole derivatives selected from compounds represented by following formula: R1 is one of a hydrogen atom, a halogen atom and an alkyl group; m is an integer of one to four; and X is one of a hydrogen atom, an alkyl group, an aryl group, an aralkyl group and a group represented by following formula: R2 is one of a hydrogen atom, a halogen atom, an alkyl group and hydroxyl group and n is an integer of one to five.
Tagatose, a monosaccharide differing from fructose only in the position of its fourth hydroxyl group, is a nutraceutical that has prebiotic properties.
Amino acids with uncharged polar side chains +zero net charge at neutral pH +cysteine and tyrosine can lose a poton at alkaline pH +serine, threonine and tyrosine contain polar hydroxyl group +that can participate in hydrogen bond formation +asparagine , glutamine contain a carbonyl group and one amide group +they can participate in hydrogen bond 1.
 
 
 
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