Liquid Chromatography (LC/HPLC)

Can pressure alone affect the appearance of a chromatogram?

A high performance thin-layer chromatographic (HPTLC) method was developed for the determination of aflatoxin B1 in cereals.

A high performance liquid chromatography (HPLC)–UV method was developed for the analysis of phenylurea herbicides and applied successfully to the analysis of herbicides spiked in three soft drink brands and tap water.

Sergio Guazzotti speaks to Janet Kelsey about the advantages of UHPLC over HPLC and issues to consider when selecting this technique.

Phenomenex and Shimadzu Scientific Instruments today announced a marketing collaboration for LC and GC systems. Through this collaboration, Shimadzu systems and Phenomenex columns will be offered together in the United States.

A review of the development of superficially porous particles and what the latest advances in this technology offer chromatographers in practice.

This article describes important aspects of food metabolomics using tomato paste as an example of this approach in practice.

A review of the liquid chromatography columns and accessories for analytical and preparative chromatography to be unveiled at Pittcon 2011

What challenges occur when using hydrophilic interaction liquid chromatography (HILIC), and what options are available for analysis?

Comparisons between different C18 columns and the best way to select which one to use

A few simple calculations and estimates can provide insight into a troublesome chromatogram.

High recovery, reproducibility, and cost savings are among the advantages of this environmentally friendly method.

The Detection and Quantification of Multi-mycotoxins in Beer Samples using Orbitrap Technology with UHPLC.

To protect the unique trappist brews, a programme funded by the European Commission has attempted to develop methods that would identify the real thing.

It is expected that new developments in analytical chemistry will increase the value of food metabolomics in the future.

Chiral chromatography is now the fastest way to access large amounts of enantiopure pharmaceutical compounds.

Global Industry Analysts (GIA) has released a global report on the biotechnology instrumentation markets that predicts that it will reach $5.8 billion by the year 2015.

If you are suffering from headaches after a night of wine drinking there is a chance it may be more than the usual hangover. A study published in the Journal of Proteome Research has identified similarities between grape glycoproteins and known plant allergens.

Incognito inspires us to improve the way we work by sharing his New Year's resolutions that will make for better working practices.

A wide range of instruments, columns and media are available for LC purification, including Flash and HPLC. Are these techniques interchangeable? How do they compare?

Mark Woodruff of Fortis Technologies talks about the background, advantages and applications of hydrophilic interaction chromatography and where its future lies.

The authors discuss an LC method for the direct analysis of diquat and paraquat in lake water.

A change in the mobile phase strength can be a powerful tool to move peaks in a separation.

Whether organic produce provides any actual health benefits is still controversial, and a recent study of organic carrots, onions and potatoes has claimed that the process may add nothing at all.

KNAUER has donated a high-quality analyser to the Hamburg University of Technology (TUHH) for use in education and training in the chemical engineering department.