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Zoekresultaten - 10 results
Identification and characterization of inorganic food additives and pearlescent pigments in sprays for food decoration by STEM-EDX
commercially available food-decoration sprays of different colours, containing mixtures of food additives and pearlescent pigments. No dispersion protocols or purifications steps were applied to optimally assess ...
Comparison of 6 DNA extraction methods for isolation of high yield of high molecular weight DNA suitable for shotgun metagenomics Nanopore sequencing to detect bacteriaAbstractBackgroundResultsConclusion
evaluated the performances of 6 DNA extraction methods using various cells lysis and purification techniques, from quick and easy, to more time-consuming and gentle protocols, including a portable method for ...
Development of a reliable UHPLC-MS/MS method for simultaneous determination of zearalenone and zearalenone-14-glucoside in various feed products
in water as the loading solution, 50% methanol in water as the washing solvent, and 5 ml of methanol as the elution solvent yielded the optimal purification efficiencies. The established method was ...
Development of a QuEChERS-Based UHPLC-MS/MS Method for Simultaneous Determination of Six Alternaria Toxins in Grapes
chromatography–tandem mass spectrometry (UHPLC- MS / MS). A modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure with the extraction by acetonitrile and purification by sodium chloride (0.5 g) ...
Development and validation of an ultra-high performance liquid chromatography-tandem mass spectrometry method to measure creatinine in human urine.
positive electrospray ionization (ESI) conditions, without further purification steps. The combination of an important diluting factor (10(4) times) due to the use of a very sensitive triple quadrupole mass ...
Proteomic detection as an alternative for the quantification of Staphylococcus aureus enterotoxins
identification identify Immunoassay IS matrix Meat method methods microorganism milk ON outbreak Peptides poisoning prevention PROCESSES protein purification Quantification RANGE Sample Samples Selection specific ...
A modified sample preparation for acrylamide determination in cocoa and coffee products
Limit of Detection Liquid chromatography-tandem mass spectrometry Mass Mass Spectrometry method ON performance PRODUCTS protein purification relative Reproducibility Sample Solutions Solvents time ...
Optimisation of a liquid chromatography-tandem mass spectrometric method for the determination of acrylamide in foods
Potato products PRODUCTS purification relative Reproducibility result results Sample SENSITIVITY study Tandem Mass Spectrometry Term Test tests time treatment VALIDATION variation Abstract: A robust and ...
How safe are your infusions? Analysis of pyrrolizidine alkaloids in plant based products using UHPLC-MS/MS & highlighting of their transfer rate during brewing.
salads, spices, (herbal) teas and food supplements) involved organic acidic extraction of the analytes followed by Envi-Carb SPE purification to avoid loss of sensitivity due to matrix effect. On the other ...
Investigation of the Polycyclic Aromatic Hydrocarbons contamination in spices and dried herbs available on the Belgian market
836/2011). Before extraction, 4 isotopic labelled internal standards are spiked. Then samples are extracted with a mixture of acetone/dichloromethane, followed by a purification based on solid phase ...