SeparationsNOW

The major cannabinoids of cannabis plants have been measured for seedlings and plants at various stages of growth using HPLC, to establish when the plant can be confidently identified as a drug-type plant, as opposed to other chemotypes like hemp.

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High temperature liquid chromatography with commercial columns and pure water as the mobile phase has been explored for the analysis of sunscreens in skincare products. Although the resolution was not ideal, the potential for this green technology was …

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The determination of insulin(s) from vitreous humour by immunopurification combined with UPLC-high resolution/high accuracy (tandem) MS is reported and used to detect the first successful MS-based analysis of post-mortem material related to an insulin …

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A simple HPLC method for the simultaneous measurement of lactate and pyruvate in human sweat, which could be used in clinical practice and for monitoring the training programmes of athletes, has been developed by Italian scientists.

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The dates and intensities of local wildfires can be estimated from the fluxes of polycyclic aromatic hydrocarbons laid down in local sediments that are measured by HPLC, allowing the reconstruction of historical fire events.

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Using ultra performance liquid chromatography, the buffer conditions have been optimised and column temperatures increased to develop a method that allows accurate quantification of each DNA isoform by ultraviolet detection.

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The amino acid tryptophan has been measured in gastric juice by HPLC in an improved method using a restricted access column with fluorescence detection, a method that can be applied to detect gastric cancer.

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The explosive component ethylene glycol dinitrate has been measured for the first time in Goma-2 ECO, an industrial type of dynamite, which has also been deployed by terrorists.

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A method for the determination of dimethyl fumarate in desiccant and antimould sachets, employed for protecting consumer products from humidity and mould, was based on a solid-liquid extraction followed by HPLC-UV analysis.

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Phosphate ester flame retardants have been measured in herring gull eggs by a fast and accurate LC/MS method which requires small sample sizes, an important aspect for wildlife screening.

This is a syndicated post. Read the original at separationsNOW..com: HPLC Ezine.