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Belgian recommendations on ANA, anti-dsDNA and anti-ENA antibody testing704

Standardization Initiative) team, to all clinical laboratories performing ANA testing. Virtually all laboratories completed the questionnaire (97.7%, 127/130). This paper discusses the results of this questionnaire ...

Follow-up of Helicobacter pylori infection in children over two decades (1988-2007): persistence, relapse and acquisition rates.

Humans Male Metronidazole Multivariate Analysis Recurrence Stomach Abstract: Helicobacter pylori culture on gastric biopsy was performed on 4964 subjects aged <18 years from 1988 to 2007 at a central ...

Evaluation of the migration of 15 photo-initiators from cardboard packaging into Tenax(®) using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).

extracted using acetonitrile, followed by analysis on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC- MS / MS). Quantification was carried out using benzophenone-d10 (BP-d10) as ...

Laboratory diagnosis of paediatric tuberculosis in the European Union/European Economic Area: analysis of routine laboratory data, 2007 to 201136508

paediatric performance Predictive value Questionnaire RANGE RATES routine routine laboratory Sample Samples SB- IM SENSITIVITY specificity sputum survey Test tests Tuberculosis UK United Kingdom United-kingdom ...

Multi-dye residue analysis of triarylmethane, xanthene, phenothiazine and phenoxazine dyes in fish tissues by ultra-performance liquid chromatography-tandem mass spectrometry.

ultra-performance liquid chromatography-tandem mass spectrometry. Samples were extracted with acetonitrile, followed by an oxidation step using 2,3-dichloro-5,6-dicyanobenzoquinone. Further clean-up was performed by ...

MALDI-TOF mass spectrometry identification of filamentous fungi in the clinical laboratory2175

Laboratories limitation MALDI-TOF Mass Mass Spectrometry means method methods MS ON performance result results routine routine laboratory Sample Species study teaching Universities university university hospital ...

Commutability of food microbiology proficiency testing samples.

Keywords: Food Microbiology Laboratory Proficiency Testing Reference Standards Abstract: AIM: Food microbiology proficiency testing (PT) is a useful tool to assess the analytical performances among ...

Application of a cell-based protease assay for testing inhibitors of picornavirus 3C proteases.

performed in vitro, using heterologously expressed proteases and peptide substrates. To deal with the disadvantages associated with in vitro assays, we modified a cell-based protease assay for picornavirus ...

Characterization of suspected illegal skin whitening cosmetics.

EU market. A newly developed screening method using ultra high performance liquid chromatography-time off flight-mass spectrometry allows routine analysis of suspected products. 163 suspected skin ...

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