Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The negative univalent radical HCO, characteristic of aldehydes.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The univalent radical -CHO, derived from formaldehyde, that is characteristic of aldehydes

from the GNU version of the Collaborative International Dictionary of English

  • n. A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde.
  • n. Formerly, the radical methyl, CH3.

from The Century Dictionary and Cyclopedia

  • n. A hypothetical univalent radical (CHO), of which formic acid may be regarded as the hydrate.

Etymologies

form(ic acid) + -yl.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • They found five receptors from a family of proteins known as formyl peptide receptors.

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  • If it says "folic acid" then find another vitamin that has the words "L 5 methyl-tetrahydrofolate" or "5 formyl tetrahydrofolate" on the label.

    Mark Hyman, MD: Nutrition Tips: Folic Acid: Killer or Cure-All?

  • N-formyl-methionine is still used in the mitochondria (which is a direct descendant of prokaryotic symbiotes).

    Always finish what you start…

  • Captain Sir Henry (Black Bart) Quill was seated in an old-fashioned, formyl-covered, overstuffed chair, chewing angrily at the end of an unlighted cigar.

    Unwise Child

  • By adding the dye in portions this difficulty is overcome and more level shades are obtained; it is met with in all cases of jigger dyeing, but it is most common in dyeing cotton or wool with basic dyes like magenta, auramine, methyl violet or brilliant green, and in dyeing wool with acid dyes like acid green, formyl violets, azo scarlet, or acid yellow.

    The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student

  • For experiments using N-formyl-Met-Leu-Phe (fMLP), PMN were incubated with 20 µL per well of 2.5 mM fMLP (Sigma) at 37°C for 5 min before adding opsonized merozoites to start the reaction.

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  • In the study, frozen brain sections from people who died with Alzheimer's were stained using two LCPs/LCOs: pentamer formyl thiophene acetic acid (pFTAA) and polythiophene acetic acid (PTAA).

    Newswise: Latest News

  • Neutrophils were stimulated with formyl-Met-Leu-Phe (fMLP) or LPS in vitro.

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  • There's no evidence that humans have formyl peptide receptors anywhere but in the immune system.

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  • Ali H, Sozzani S, Fisher I, Barr AJ, Richardson RM, et al. (1998) Differential regulation of formyl peptide and platelet-activating factor receptors.

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