2,2,6,6-Tetramethyl-4-amino [d17]piperidine-15n-l-oxyl as a spin label for cell surface carbohydrates.

Bennett T. Farmer, D. Allan Butterfield

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The first use of perdeuterated, 15N-Tempamine spin label to selectively monitor cell surface sialic acid of human erythrocyte membranes is reported. The molecular reasons for significantly increased sensitivity and significantly decreased scatter in the data over that of protonated, 14N-Tempamine are discussed. These advantages are illustrated by monitoring the effects of wheat-germ agglutinin on the motion of terminal sialic acid of membrane glycoconjugates.

Original languageEnglish
Pages (from-to)555-561
Number of pages7
JournalAnalytical Letters
Volume18
Issue number5
DOIs
StatePublished - Jan 1985

Keywords

  • 15N-spin labels
  • Perdeuterated
  • cell surface sialic acid
  • electron spin resonance
  • enhanced signal-to-noise ratio and increased precision

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Spectroscopy
  • Clinical Biochemistry
  • Biochemistry, medical
  • Electrochemistry

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