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Ion Chromatography

Using a library of protetin mutant variants, US scientists have studied protein binding affinity and preferred orientations in cation exchange chromatography, including the effects of protein surface topography and charge density.

Australian and Chinese scientists have explored using flow injection analysis with ESI-MS and ion chromatography with ICP-MS as the complementary technique to determine metal ions as their metal-EDTA complexes

After over 100 years, the conventional Kjeldahl method may no longer be the best way to determine the concentration of nitrogen in geological samples, potentially being replaced by a combination of ion chromatography and ultrasound.

Italian chemists have developed a sensitive cation exchange chromatography method for detecting underivatized aliphatic amines, and used it to determine biogenic amines in beer and tuna.

Portuguese researchers have investigated the role of the retroviral lipid bilayer and envelope proteins in the adsorption of retroviral vectors to an anion-exchange stationary phase.

Smoking doesn't just give you bad breath, it can have a major influence on the chemical composition of your saliva, say Polish chemists who have developed an ion chromatography method for analysing inorganic ions in saliva.

Chinese chemists have developed a silica-based monolith as a polar stationary phase for hydrophilic interaction pressurized capillary electrochromatography and used it to separate polar compounds such as phenols and nucleosides.

Australian abd US separation scientists have developed a method for selecting the optimum ion chromatography columns for use in comprehensive multidimensional ion chromatography.

The chances of surviving the accidental ingestion of rat poison have just greatly improved thanks to the development of a fast and sensitive method for detecting anticoagulants in biological tissue.

Italian chemists have developed an ion chromatography method for detecting various ions in water, and compared it with the analytical techniques used by the laboratory in charge of monitoring drinking water in the Italian city of Torino.

Chemists from the US and the Czech Republic have conducted ion chromatography on open tubular cation exchange columns with a controllable capacity multilayered stationary phase architecture and utilising gravity flow.

German biogeochemists have done their bit to enhance understanding of global warming, by developing a novel anion-exchange chromatography method for determining the concentrations of water-soluble carbohydrates in plants.

Austrian biotechnologists have investigated the DNA purification abilities of various anion exchange chromatography stationary phases, including conventional media, media with large pores and a monolithic medium.

Chinese chemists have used an ionic liquid as a dynamic coating on silica monolithic columns in order to conduct capillary electrochromatography of phenols and nucleoside monophosphates.

In one of the first practical applications of their new chiral detector, Japanese scientists have shown that it can be used with anion-exchange chromatography to determine the concentration of a common adulterant in apple juice.

German engineers have developed a tailored 2D gel electrophoresis protocol to probe the factors affecting the separation of proteins during ion exchange chromatography, including surface charge, molecular weight and folding state.

Australian separation scientists have investigated the suitability of high performance chelation ion chromatography using postcolumn reaction for the separation and determination of dissolved aluminium in complex samples.

Which compound is most to blame for interfering with the normal functioning of the human thyroid gland: man-made perchlorate or natural thiocyanate? Using ion chromatography, two US researchers are helping to reveal the answer.

A US chemist has compared the retention thermodynamics of small, nonpolar solutes on traditional alkyl, polar endcapped and polar embedded group stationary phases, and then tested them with hydrogen-bond acids and bases.

US biochemists have used mixed-mode hydrophilic interaction/cation-exchange chromatography to separate two mixtures of peptide standards, showing that better separations were produced for peptides with greater charges.