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11 q&more articles about the topic hplcrss
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A new General Chapter addresses balances for analytical purposes
Weighing is one of the key activities carried out in every quality control (QC) laboratory. Usually it is one of the first steps in a whole analysis chain, e.g. when a sample or a standard is prepared for subsequent dilution and HPLC or qNMR analysis.
Analytics and multivariate data analysis of coffee phenols
Chlorogenic acids (CGAs) are, by definition, esters formed from hydroxycinnamic acids and quinic acid. As such, they are produced by almost all plant species as secondary metabolites. In our diet, we take up substantial amounts of this class of compounds – around 1 g per day, in extreme cases ...
A comparison of different analysis techniques for determination and species analysis of mercury
Mercury is undisputedly one of the most toxic elements. In 2013, the Minamata Convention on Mer-cury to restrict the production and emission of this heavy metal was adopted in Geneva. It regulates the production, use and storage of mercury. For example, new mines may no longer be built and ...
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.
Using mass spectrometry to detect the presence of small polymer molecules
For several decades, food packaging has made handling food easier and helped to maintain its quality. Plastic packaging possesses the advantage that it is light and flexible, with a vast variety of polymer modifications allowing a wide range of usages.
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 ...
Nano-, micro-, and two-dimensional HPLC are already proving their worth
A major topic during the HTC conference held in Bruges, which is focused on issues relating to hyphenation processes involving HPLC and innovative detection techniques, was the discussion concerning system volumes of modern UHPLC systems. It is again clear, according to many experts at least, ...
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.
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, ...
Improving the Efficiency and Quality of Analytical Workflows
Analytical sample and standard preparation in a pharmaceutical or QA/QC laboratory is typically a manual procedure that requires that solids be weighed and diluted to the mark volumetrically. A minimum of 50 ml of solution is usually prepared for analytical measurements, even though the amount ...
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The q&more concept is to increase the visibility of recent research and innovative solutions, and support the exchange of knowledge. In the broad spectrum of subjects covered, the focus is on achieving maximum quality in highly innovative sectors. As a modern knowledge platform, q&more offers market participants one-of-a-kind networking opportunities. Cutting-edge research is presented by authors of international repute. Attractively presented in a high-quality context, and published in German and English, the original articles introduce new concepts and highlight unconventional solution strategies.
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