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Abstract

Investigation of Pharmacia UniCAP 100 for in vitro Allergy Diagnosis by Nicolas Liappis, Astrit Starke, Olle Lantto and Birgitta Rydén

Evaluation of Pharmacia UniCAP 100 was performed for a time period of more than one year (60 assays) by means of Pharmacia Specific IgE Control Serum for the determination of specific IgE antibodies, and by Pharmacia Total IgE Control Serum LMH for the determination of total IgE concentration. UniCAP 100 utilizes the same FEIA technique as Pharmacia CAP System. The results of intraassay precision (variation coefficients 1.4% to 3.3%) and interassay precision (variation coeffïcients 3.5% to 11.0%) met the requirements for the quality assurance of quantitative determinations in medical laboratories. All results were also well within the ranges stated in the control serum package insert. In comparison to Pharmacia CAP System, UniCAP 100 showed an improved intraassay and interassay precision. This improvement was also confirmed by the data obtained with Quatity Club Specific IgE, an external quality assessment program for the determination of specific IgE antibodies. UniCAP 100 is ergonomic, easy to handle, quick, robust and precise and can be recommended for quantitative in vitro allergy diagnosis.

DOI: Clin. Lab. 1999;45:229-235