Résultats de la recherche - 92 results

Wastewater monitoring can anchor global disease surveillance systems

monitored predominantly urban populations. In high-income countries (HIC s), composite sampling at centralised treatment plants was most common, whereas grab sampling from surface waters, open drains, and pit ...

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

separated within only 12min on a C18 BEH column using 1mM ammonium acetate in water at pH 4.5 and acetonitrile as mobile phases at a flowrate of 0.4mLmin(-1). The presented method was validated as defined by ...

Selenium content of Belgian cultivated soils and its uptake by field crops and vegetables.

water stream to the leaves, where it is accumulated. Vegetables rich in S, e.g. some Brassica and Allium species, have a higher capacity to accumulate Se as it can replace S in the proteins, although this ...

PFAS determination in fish by UPLC-MS/MS

Sample Selection standards State Synthetic System UPLC VALIDATION WATER waters Abstract: The chemical properties of per and polyfluorinated compounds (PFAS) make these synthetic substances widely used in ...

Determination of the sterol compound ergosterol by UPLC-APCI-MS/MS

Publication Type: Scientific poster, presentation or proceeding Authors: Tim Reyns; Ann Packeu; Joris Van Loco; Waters Source: Waters Technology Days, Issue Waters Inc. (2013) Keywords: APCI ...

Evaluation of the migration of 15 photo-initiators from cardboard packaging into Tenax ® using UPLC-MS/MS

Publication Type: Scientific poster, presentation or proceeding Authors: Kathy Van Den Houwe; Waters Source: MS Technology days- Waters, Issue Waters (2013) Keywords: cardboard EVALUATION Liquid ...

Deliberate release of GMOs, Risk assessment in Belgium: Players, administrative procedures and historical overview

Publication Type: Non-peer reviewed scientific publication Authors: Collard,F.; WIV-ISP Source: (2013) Keywords: a Agriculture assessment Belgium GMO GMOs management risk Risk Assessment WATER ...

Contained use activities: Procedures and current state of play

EVALUATION GMO GMOs management risk Risk Assessment SBB State use WATER Service:  Biosafety and biotechnology Biosécurité et biotechnologie Bioveiligheid en biotechnologie Category:  A7 ...

Development and validation of a fast chromatographic method for screening and quantification of legal and illegal skin whitening agents.

development and validation of an ultra high pressure liquid chromatographic (UHPLC) method is described. The proposed method makes use of a Waters Acquity BEH shield RP18 column with a gradient using 25 mM ...

Using conventional HIV tests on oral fluid36499

result results Sample Samples sampling scale Science Score SELECTED SENSITIVITY serum specificity STANDARD Statistical Still study Temperature Test TESTING tests time use values Version VIRUS WATER ...

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