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9 q&more articles about the topic chromatographyrss
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Discovering compounds that matter for food safety along the global food chain
More than ever, consumers are concerned about the food they consume. For example, for botanical extracts used in food products and food supplements, fraud is quite common. It is evident that specifications, quality control and regulation of botanicals need to be improved [1-3].
Smart sample preparation improves selectivity of analytical procedures for biopharmaceuticals and other drug products
Impurity testing is an essential part of pharmaceutical quality control because toxicity and content of impurities contained in drug products can impair patient safety. This requires suitable, validated analytical methods.
ICH Linearity Studies using Automated Standard Preparation and UHPLC
According to the International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH), it is necessary to test analytical methods for their linearity as part of a method validation study. The typical process for this is to prepare standards ...
New measurement methods to protect the marine environment
What kinds of contaminants are enriched in sediment – and are these then absorbed by the organisms that live there? What role do microplastics play? To answer these questions, Professor Gesine Witt’s team is using pollutant samplers made from silicone-coated glass fibre to investigate the sea ...
Adhesives modeled on insect secretions
Geoscientists, biologists and chemists at the University of Tübingen are working in collaboration with IFAM (Fraunhofer Institute for Manufacturing Technology and Advanced Materials in Bremen, Germany) to uncover the workings of insect surface adhesion. The goal of this project is the synthesis ...
New approaches for high quality information
In analytical sciences one of the major goals is to develop and validate methods for the identification and quantification of molecules in complex samples to support investigations in the pharmaceutical sciences, environmental sciences, food sciences, biology and medicine.
Enantiomer separation using capillary electrophoresis
In 1871 the children‘s book “Through the Looking-Glass – And What Alice Found There” by the English author Lewis Carroll, in which Alice enters a world behind the mirror, was published. She explains to her cat: “First there’s the room you can see through the glass – that’s just the same as our ...
Automated MOSH/MOAH determination with the aid of coupled LC-GC
Once only of academic interest, the combination of liquid chromatographic separation with subsequent separation in the gas-phase is proving to be suitable for routine use. In routine laboratory work, the method continues to present a major challenge, above all with regard to precision, ...
Protein analysis using multidimensional liquid chromatography with monolithic phases and mass spectrometry
Proteins play a fundamental role in our day-to-day lives. Thanks to proteins we can speak, move about and think; they protect us from disease and repair damage to our bodies. Proteins are also becoming more popular as active pharmaceutical ingredients: in 2012, the market share of ...
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