One of the mysteries of the English language finally explained.
as modifier Of or denoting the radical —ONC₈H₆, derived from a hydroxy derivative of indole and present in indigotin.
- ‘The presence of ascorbate as a cosolute had little effect on visible emission, despite its demonstrated capacity to act as a strong reductant for the indoxyl radical.’
- ‘Organisms in the urine that possess indoxyl sulphatase activity metabolise urinary indoxyl sulphate to indigo leading to purple urine bag syndrome.’
- ‘Urinary organisms such as proteus, providencia, and klebsiella with indoxyl sulphatase activity metabolise indican to produce indigo, particularly in alkaline urine.’
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