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Development, validation, and application of a multimatrix UHPLC-MS/MS method for quantification of Datura-type alkaloids in food

food, oilseeds, honey, and pulses consisted of a solid-liquid extraction with an acidified mixture of methanol and water, while an additional step of solid-phase extraction on a cation-exchange sorbent ...

Arsenic Speciation Analysis Elucidates the Risk Assesment of Food Supplements with Ingredients of Marine Origin. 9th Nordic Conference on plasma spectrochemistry

therefore a method using a cationic column was needed to separate AB from other uncharged or cationic species. Exposure to As i, MA, DMA and ‘As tot- AB ’ was calculated for each sample by multiplying the ...

A Tale of Tails: Dissecting the Enhancing Effect of Tailed Primers in Real-Time PCR.

site. Stabilisation of the forward primer with either a tail sequence or cationic spermine units restored the sensitivity of the assay, which suggests that the enhancing effect in the panFMDV-3D assay is ...

Determination of caramel colorants' by-products in liquid foods by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).

the concentration range expected in the type of foods targeted. For the determination of the imidazole substitutes (THI, 2- and 4- MI), a sample enrichment and clean-up step by strong cation solid-phase ...

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

tandem solid phase extraction using weak and strong cation exchange cartridges. Extracts were analysed by UPLC- MS (n) operating in the positive electrospray ionisation mode (ESI +). The fourteen dyes were ...

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

occurring in Belgium, with soil textures ranging from sand to silt loam, and including a few clay soils. They were analyzed for Se concentration, organic carbon content, cation exchange capacity and ...

Analysis of chlormequat residue in milk by UPLC-MS/MS

precipitate protein, respectively. This step was followed by a solid phase extraction (SPE) of the aqueous phase on a Weak Cation Exchange cartridge. The chlormequat was eluted by using ammonium acetate, before ...

Genetic resistance of mice to Mycobacterium paratuberculosis is influenced by Slc11a1 at the early but not at the late stage of infection7

p.2099- 2105 (2008) Keywords: 0 a additional agar ALL analysis Animals article AS at Belgium biosynthesis Brussels Cation Transport Proteins Colony Count,Microbial Development differences effect electronic ...

Real-time reverse transcription PCR for the quantification of the mntH expression of Salmonella enterica as a function of growth phase and phagosome-like conditions36757

brain Cation Transport Proteins chemistry Comparison conditions Control Design drug effects Edetic Acid environment expression function gene Gene Expression Genes genetics growth growth & development ...

Improved tuberculosis DNA vaccines by formulation in cationic lipids.

Bacterial ATP-Binding Cassette Transporters Bacterial Proteins BCG Vaccine Cations Injections, Intramuscular Interferon-gamma Interleukin-2 Lipids Lung mice Mice, Inbred BALB C Mice, Inbred C57BL ...

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