Search results - 9 results

A systematic evaluation of Flow Field Flow Fractionation and single-particle ICP-MS to obtain the size distribution of organo-mineral iron oxyhydroxide colloids.

detection limit for FeOx of about 32-47 nm. The distribution of hydrodynamic diameters of goethite particles detected with FlFFF, NTA and DLS were similar but the values were twice as large as the Fe cores of ...

Evaluation of a TEM based Approach for Size Measurement of Particulate (Nano)materials.

validation study included an assessment of the limit of detection, working range, selectivity, precision, trueness, robustness, and ruggedness. An uncertainty that was associated to intermediate precision in ...

Biomarkers in patients admitted to the emergency department after exposure to acrylonitrile in a major railway incident involving bulk chemical material.

patients with normal or slightly elevated lactate concentrations. A correlation of CEV with SCN was only observed in smokers. LIMITATIONS: First there is a lack of data in some clinical files concerning the ...

Relevance of Bt toxin interaction studies for environmental risk assessment of genetically modified crops.

alone or in combination, we argue that the current knowledge of Bt protein interactions is of limited relevance in environmental risk assessment (ERA). Health Topics:  Health and environment Category:  A1 ...

Identification of filamentous fungi isolates by MALDI-TOF mass spectrometry: clinical evaluation of an extended reference spectra library.

into account the Brukers’ cutoff value for reliability (LogScore >1.70), 85.6% of the isolates were correctly identified. For a number of isolates, microscopic identification was limited to the genus, ...

Sick leave due to back pain in a cohort of young workers.

Surveys and Questionnaires Transportation Workload Workplace Young adult Abstract: PURPOSE: Evidence on risk factors for sick leave from prospective studies in work settings is limited. Furthermore, most ...

Childhood Leukaemia incidence around the Belgian nuclear sites: Surrogate exposure modelling.

International IS Less leukaemia limitation Limitations living measure measures method methods MODEL models Multiple nuclear site Nuclear sites ON Paper period plant Plants POPULATION Populations region REGISTRIES ...

Physical characteristics of the back are not predictive of low back pain in healthy workers: a prospective study.

26 years) with no or limited back antecedents in the year before inclusion. At baseline, these workers underwent a standardised physical examination of the low back. One year later, they completed ...

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