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Journal Highlight: Monolithic column functionalized with quinine derivative for anion‐exchange capillary electrochromatography

Date: Sep 5, 2018

Author: separationsNOW

Chinese scientists have developed a novel anion‐exchange organic polymer monolithic column based on the monomers N‐benzylquininium chloride and acrylamide for performing capillary electrochromatography.

Read More thumbnail image: Journal Highlight Monolithic column functionalized with quinine derivative for anionexchange capillary electrochromatography

Journal Highlight: Use of an amino acid ionic liquid as an ion exchange chromatography mobile phase modifier for the analysis of magnesium, calcium, zinc, and iron ions

Date: Aug 27, 2018

Author: separationsNOW

Chinese scientists tested the effect of adding an amino acid ionic liquid to a nitric acid-based mobile phase on the retention time, peak height and resolution of metal cations separated by ion-exchange chromatography.

Read More thumbnail image: Journal Highlight Use of an amino acid ionic liquid as an ion exchange chromatography mobile phase modifier for the analysis of magnesium calcium zinc and iron ions

Problem solving: Separating and identifying human serum albumin isoforms

Date: Aug 13, 2018

Author: Jon Evans

As a highly abundant protein in the blood, human serum albumin (HSA) is often a problem, but a new method for separating and identifying different HSA isoforms could also turn it into a solution.

Read More thumbnail image: Problem solving Separating and identifying human serum albumin isoforms

Journal Highlight: Determination of trehalose by ion chromatography and its application on a pharmacokinetic study in rats after intramuscular injection

Date: Aug 9, 2018

Author: separationsNOW

Chinese scientists have developed an ion chromatography method for detecting trehalose in blood plasma after intramuscular injection.

Read More thumbnail image: Journal Highlight Determination of trehalose by ion chromatography and its application on a pharmacokinetic study in rats after intramuscular injection

Journal Highlight: Photoluminescent carbon dots: A mixture of heterogeneous fractions

Date: Jul 23, 2018

Author: separationsNOW

Scientists in the US have used thin layer chromatography to separate photoluminescent carbon dots into different fractions.

Read More thumbnail image: Journal Highlight Photoluminescent carbon dots A mixture of heterogeneous fractions

Stress-free removals: Removing SDS from proteins by cation-exchange chromatography

Date: Jul 9, 2018

Author: Jon Evans

Scientists from Singapore have developed a new process, based on cation exchange chromatography, for removing the surfactant sodium dodecyl sulfate from proteins prior to analysis by mass spectrometry.

Read More thumbnail image: Stress-free removals Removing SDS from proteins by cation-exchange chromatography

Journal Highlight: Systematic interpolation method predicts antibody monomer‐dimer separation by gradient elution chromatography at high protein loads

Date: Jul 4, 2018

Author: separationsNOW

Chemical engineers in the US have adapted an empirical interpolation method to predict highly overloaded multicomponent elution behavior in cation-exchange chromatography.

Read More thumbnail image: Journal Highlight Systematic interpolation method predicts antibody monomerdimer separation by gradient elution chromatography at high protein loads

Journal Highlight: Hydrochemistry of Lake Rara: A high mountain lake in western Nepal

Date: Jun 25, 2018

Author: separationsNOW

Scientists from Nepal have used ion chromatography to analyze the ions in water samples from Lake Rara, a high mountain lake in western Nepal.

Read More thumbnail image: Journal Highlight Hydrochemistry of Lake Rara A high mountain lake in western Nepal

IEC makes light work: Of characterizing proteins

Date: Jun 11, 2018

Author: Jon Evans

For characterizing certain proteins, scientists in Israel have shown that multi-angle light scattering is better combined with ion-exchange chromatography rather than the more conventional size-exclusion chromatography.

Read More thumbnail image: IEC makes light work Of characterizing proteins

Journal Highlight: Determination of D‐myo‐inositol phosphates in 'activated' raw almonds using anion exchange chromatography coupled with tandem mass spectrometry

Date: Jun 4, 2018

Author: separationsNOW

Food scientists in the US used anion-exchange chromatography and tandem mass spectrometry to analyze the phosphates in 'activated' almonds, which have been soaked in water for 12–24 hours.

Read More thumbnail image: Journal Highlight Determination of Dmyoinositol phosphates in activated raw almonds using anion exchange chromatography coupled with tandem mass spectrometry
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