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Updated: Apr 22, 2026
Fast and Specific Assessment of the Halogenating Peroxidase Activity in Leukocyte-enriched Blood Samples
Published on: July 28, 2016
The effect of sample storage on the Peroxidation of Leukocytes Index Ratio (PLIR) measure
Ilaria Peluso1, Husseen Manafikhi1, Fabio Altieri2
1Department of Physiology and Pharmacology "V. Erspamer", "Sapienza" University of Rome, Italy.
Abstract:
Delays in processing are frequent because of problems associated with transporting the samples to the laboratory. Thus, we aimed to evaluate the effect of sample storage on the Peroxidation of Leukocytes Index Ratio (PLIR). Differences between PLIR values of lymphocytes (PLIR-L), monocytes (PLIR-M) and granulocytes (PLIR-G) were observed in fresh samples. Sample storage affected the evaluation of PLIR. In particular, PLIR-L was lower in stored samples compared to fresh samples. In conclusion, our results suggest that fresh samples are recommended for assessing the PLIR.
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