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Proper chocolate high: Cannabis analysis in food products

Date: Oct 14, 2019

Author: Jon Evans

Two Canadian chemists have developed a quick and easy method for analyzing cannabis-containing food products, based on thin-layer chromatography and desorption electrospray ionization-mass spectrometry.

Read More thumbnail image: Proper chocolate high Cannabis analysis in food products

Journal Highlight: Separation and indirect ultraviolet detection of ferrous and trivalent iron ions by using ionic liquids in ion chromatography

Date: Oct 7, 2019

Author: separationsNOW

Chinese chemists have developed a novel ion chromatography method for separating and detecting different valence iron ions in food supplements by using ionic liquids as mobile phase additives.

Read More thumbnail image: Journal Highlight Separation and indirect ultraviolet detection of ferrous and trivalent iron ions by using ionic liquids in ion chromatography

Journal Highlight: Synthesis of strong cation exchange macroporous polymer cluster for convective protein chromatography

Date: Sep 23, 2019

Author: separationsNOW

Swiss researchers have developed a new cation-exchange stationary phase for separating proteins by linking alkyne‐terminated polyelectrolytic brushes with macroporous polymeric microclusters.

Read More thumbnail image: Journal Highlight Synthesis of strong cation exchange macroporous polymer cluster for convective protein chromatography

All in the eyes: Analyzing chlorine and fluorine in eye shadow

Date: Sep 9, 2019

Author: Jon Evans

Brazilian researchers have developed a novel ion chromatography method for determining chlorine and fluorine, both of which are potential irritants, in eye shadow.

Read More thumbnail image: All in the eyes Analyzing chlorine and fluorine in eye shadow

Journal Highlight: Biotechnological potential of an exo‐polygalacturonase of the new strain Penicillium janthinellum VI2R3M

Date: Sep 2, 2019

Author: separationsNOW

Researchers in Brazil used ion-exchange chromatography and gel filtration to purify a novel polygalacturonase extracted from a species of Penicillium fungus incubated in cultures of passion fruit peel.

Read More thumbnail image: Journal Highlight Biotechnological potential of an exopolygalacturonase of the new strain Penicillium janthinellum VI2R3M

Journal Highlight: Isolation and identification of zinc‐chelating peptides from sea cucumber protein hydrolysate

Date: Aug 26, 2019

Author: separationsNOW

Researchers from China, Japan and Canada used anion-exchange chromatography to help isolate and purify a zinc-chelating peptide from the body wall of a sea cucumber.

Read More thumbnail image: Journal Highlight Isolation and identification of zincchelating peptides from sea cucumber protein hydrolysate

Flaming mouse: Analyzing brominated flame retardants

Date: Aug 12, 2019

Author: Jon Evans

By replacing oxygen-bomb combustion with ultrasound and catalysts, Chinese chemists have produced a novel ion chromatography method for analyzing brominated flame retardants in electronic components.

Read More thumbnail image: Flaming mouse Analyzing brominated flame retardants

Journal Highlight: Influence of pH and organic modifiers on the dissociation constants of selected drugs using reversed‐phase TLC

Date: Aug 5, 2019

Author: separationsNOW

Chemists in India studied the effect of pH and organic modifiers on determining the dissociation constants of nine representative drugs, including diclofenac and ibuprofen, with reversed‐phase thin layer chromatography.

Read More thumbnail image: Journal Highlight Influence of pH and organic modifiers on the dissociation constants of selected drugs using reversedphase TLC

Journal Highlight: Development of a biochemical marker to detect current breast milk intake

Date: Jul 22, 2019

Author: separationsNOW

Researchers from the UK and the US developed an anion-exchange chromatography method for detecting biomarkers of breast milk consumption in the urine of babies.

Read More thumbnail image: Journal Highlight Development of a biochemical marker to detect current breast milk intake

A bit of light pressure: Separating particles with optical chromatography

Date: Jul 8, 2019

Author: Jon Evans

Using an LED and an array of nanoholes, a team of scientists from the US and Turkey have developed a simplified version of optical chromatography that can be conducted on a microchip.

Read More thumbnail image: A bit of light pressure Separating particles with optical chromatography
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