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A proteomics approach for the quantification of Staphylococcus aureus enterotoxins a and b in several matrices using uplc-msms analysis.
the meat using isoelectric point precipitation and ultrafiltration. Afterwards the sample was overnight digested with trypsin to obtain SE-derived peptides. Only the endogenous peptides that are unique ...
Quantitative characterization of agglomerates and aggregates of pyrogenic and precipitated amorphous silica nanomaterials by transmission electron microscopy.
J Nanobiotechnology, Volume 10, p.24 (2012) Keywords: Chemical Precipitation Microscopy, Electron, Transmission Nanostructures Particle Size Principal Component Analysis Silicon Dioxide SOFTWARE Sonication Temperature ...
A modified sample preparation for acrylamide determination in cocoa and coffee products
introducing a protein precipitation step with Carrez I and II solutions and a liquid-liquid extraction with ethyl acetate in combination with solid-phase extraction during the sample clean-up. A limit of ...