Zoekresultaten - 8 results

Development and validation of a HS/GC-MS method for the simultaneous analysis of diacetyl and acetylpropionyl in electronic cigarette refills

142, Number 224, p.218- 224 (2017) Keywords: Analyses analysi analysis approach AS Belgium bias Brussels Control Development electronic EVALUATION food health identify Institute IS journal measurement ...

How appropriate is therapeutic drug monitoring for lithium? Data from the Belgian external quality assessment scheme.

lithium measurements and interpretations with regard to measured concentrations. Inter/intramethod imprecision and bias were reported and acceptability of clinical interpretations was assessed. The ...

A validated GC-MS method for the determination and quantification of residual solvents in counterfeit tablets and capsules.

applying the “total error” profile. Calibration lines for all components were linear within the studied ranges. The relative bias and the relative standard deviations for all components were smaller than 5%, ...

A validated Ultra High Pressure Liquid Chromatographic method for the characterisation of confiscated illegal slimming products containing anorexics.

all components were linear within the studied ranges. The relative bias and the relative standard deviations for all components were respectively smaller than 3.0% and 1.5%, the β-expectation tolerance ...

A new statistical method for evaluating long-term analytical performance of laboratories applied to an external quality assessment scheme for flow cytometry.

during the past 3 years. This study aims to develop a method to find laboratories with aberrant variability or bias using robust techniques and to obtain robust estimates of the variability. METHODS: ...

Accuracy and reproducibility of automated estradiol-17beta and progesterone assays using native serum samples: results obtained in the Belgian external assessment scheme.

/ MS). METHODS: Five fresh frozen serum samples, without additives, from single donors and three pools from pregnant women were distributed to all registered Belgian laboratories. Total variation, bias ...

External quality assessment in the measurement of haemoglobin by blood gas analysers in Belgium.

Libeer, J-C Source: Scand J Clin Lab Invest, Volume 67, Issue 7, p.735-40 (2007) Keywords: Belgium Bias (Epidemiology) Blood Gas Analysis Hemoglobins Humans Laboratories, Hospital Point-of-Care Systems ...

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