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Träfflista för sökning "WFRF:(Nourooz Zadeh J) "

Search: WFRF:(Nourooz Zadeh J)

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  • Södergren, E, et al. (author)
  • Re-evaluation of the ferrous oxidation in xylenol orange assay for the measurement of plasma lipid hydroperoxides.
  • 1998
  • In: Journal of Biochemical and Biophysical Methods. - : Elsevier BV. - 0165-022X .- 1872-857X. ; 37:3, s. 137-46
  • Journal article (peer-reviewed)abstract
    • The ferrous oxidation in xylenol orange version 2 (FOX2) assay coupled with triphenylphosphine has recently been employed for the measurement of total plasma hydroperoxides (ROOHs). In this study, we have evaluated sample handling and the effect of storage conditions on ROOH levels in human plasma (n = 32). Mean level of ROOHs in fresh plasma was 8.35 +/- 3.09 mumol/l (range 4.03-19.5 mumol/l). Addition of butylated hydroxytoluene (BHT) immediately after sample collection had no effect on the concentration of ROOHs. Storage of samples at -70 degrees C for 6 weeks was associated with a variable degree of loss of detectable ROOHs. A mean ROOH level of 6.00 +/- 2.23 mumol/l (range 2.88-13.5 mumol/l) was recorded after 6 weeks of storage at -70 degrees C. There was no difference in the mean level of ROOHs between samples stored for 6 and 60 weeks at -70 degrees C. Inclusion of BHT had no effect on the stability of plasma ROOHs during prolonged storage. Intra-assay coefficients of variation were < 12%, with the lowest variation in fresh samples (7.6%). In conclusion, these results suggest that the FOX2 assay should be a useful tool for measurement of ROOHs in fresh plasma samples but not in stored samples.
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  • Result 1-3 of 3
Type of publication
journal article (3)
Type of content
peer-reviewed (3)
Author/Editor
Vessby, B (3)
Berglund, L. (3)
Nourooz-Zadeh, J (3)
Sodergren, E (2)
Basu, S (1)
Turpeinen, A (1)
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Nalsen, C (1)
Gustafsson, IB (1)
Södergren, E (1)
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University
Uppsala University (3)
Language
English (3)
Research subject (UKÄ/SCB)
Medical and Health Sciences (1)

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