Maria Luisa Arranz-Pena

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We report on the performance of four HDL-cholesterol assays: a homogeneous method based on polyethylene glycol-modified enzymes/alpha-cyclodextrin sulfate (PEGME; Kyowa); a homogeneous method based on polyanion-polymer/detergent (PPD; Daiichi); the usual precipitation method with phosphotungstic acid/MgCl2 (PTA); and an ultracentrifugation (UC) procedure.(More)
OBJECTIVES To evaluate the analytical and clinical performance of a new version of the LDL-C Plus assay and compare it with the beta-quantification (BQ) method in a multicenter study. DESIGN AND METHODS Direct LDL-C was measured in 169 fresh pooled samples and in 830 clinical samples with known LDL-C by BQ. The reactivity of lipoproteins and the effect of(More)
INTRODUCTION This present research study presents the analytic results of an outbreak of tularemia (Francisella tularensis) that occurred in the Northwest areas of Castilla y León in Northern Spain in late June 2007. PATIENTS AND METHODS Serum was obtained from 302 patients from a West Valladolid health area, attended in the University Hospital of Río(More)
OBJECTIVES We have contributed to the Design Validation Protocol of the new Abbott AxSYM Testosterone assay with a study on reference values and methods comparison. DESIGN AND METHODS For reference values a population of 45 women and 30 men was tested. In methods comparison, 132 samples for the AxSYM vs. ACS-180, and 30 for the AxSYM vs. Elecsys were(More)
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