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hydroxyl group

noun

  1. the univalent group –OH, as in inorganic compounds, such as sodium hydroxide, NaOH, or as in organic compounds, such as ethyl alcohol, C 2 H 6 O.


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Word History and Origins

Origin of hydroxyl group1

First recorded in 1880–85
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Example Sentences

The third acid group of the citric acid then reacts with the hydroxyl group on the same molecule.

"This incision by ERCC1-XPF creates a markable free hydroxyl group in the DNA, enabling us to sequence DNA and locate these breaks," explains Dr. Son.

Due to the geometry of the feldspar crystal, these hydroxyl groups are positioned in a way that makes them ideal anchoring points for water molecules.

In the end, swapping the position of a hydrogen atom and a hydroxyl group on the backbone of the molecule blocked its ability to bind to cholesterol.

The authors also discovered that one of the candidate cytochrome P450 enzymes catalyses two steps in the proposed biosynthetic pathway: the installation of two hydroxyl groups on a benzene ring in an intermediate compound.

From Nature

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hydroxylhydroxylamine