4.5 Editorial Material

Amplex UltraRed enhances the sensitivity of fluorimetric pyruvate detection

Journal

ANALYTICAL BIOCHEMISTRY
Volume 403, Issue 1-2, Pages 123-125

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ab.2010.04.008

Keywords

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Funding

  1. Intramural NIH HHS [Z01 HD002400-17] Funding Source: Medline
  2. NICHD NIH HHS [N01-HD-2-3342] Funding Source: Medline
  3. PHS HHS [WSU04055] Funding Source: Medline

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Pyruvate, which is produced in the final step of glycolysis, participates in anabolic metabolism, catabolic metabolism, and signal transduction. We have recently reported a new sensitive and selective fluorimetric assay for pyruvate measurement using Amplex Red as a fluorogenic dye. However, the fluorescence of the reaction product, resorufin, is pH dependent, which limits the sensitivity of the assay at pH 6.7. In this Note, we evaluate lnvitrogen's new dye, Amplex UltraRed, as a fluorogenic agent for pyruvate determination. Our results show that Amplex UltraRed improves the performance of the assay, providing brighter fluorescence and enhanced sensitivity. (C) 2010 Elsevier Inc. All rights reserved.

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