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  • Jens Lykkesfeldt
  • Chemistry, Medicine
  • Analytical biochemistry
  • 2000 (First Publication: 1 June 2000)
  • Determination of dehydroascorbic acid in biological samples most commonly involves indirect measurement. The concentration is calculated by subtraction of the measured ascorbic acid concentrationExpand
  • Tory M. Hagen, Jiankang Liu, +5 authors Bruce N. Ames
  • Medicine, Chemistry
  • Proceedings of the National Academy of Sciences…
  • 2002 (First Publication: 19 February 2002)
  • Mitochondrial-supported bioenergetics decline and oxidative stress increases during aging. To address whether the dietary addition of acetyl-l-carnitine [ALCAR, 1.5% (wt/vol) in the drinking water]Expand
  • Tory M. Hagen, Russell T. Ingersoll, +5 authors Bruce N. Ames
  • Medicine, Biology
  • Proceedings of the National Academy of Sciences…
  • 1998 (First Publication: 4 August 1998)
  • Mitochondrial function and ambulatory activity were monitored after feeding old rats acetyl-L-carnitine (ALCAR). Young (3-5 mo) and old (22-28 mo) rats were given a 1.5% (wt/vol) solution of ALCAR inExpand
  • Jens Lykkesfeldt, Steffen Loft, H E Poulsen
  • Chemistry, Medicine
  • Analytical biochemistry
  • 1995 (First Publication: 1 August 1995)
  • The concentrations of the hydrophilic antioxidants ascorbic acid and dehydroascorbic acid in plasma for some time have been considered possible biomarkers of oxidative stress. However, severalExpand