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Journal Highlight: Supramolecular solvent-based vortex-mixed microextraction: Determination of chiral triazole fungicide in beer samples

Date: Mar 12, 2018

Author: separationsNOW

Chinese scientists used a supramolecular solvent for the simultaneous microextraction of the chiral fungicides triadimefon and triadimenol from beer samples, prior to analysis by chiral liquid chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight Supramolecular solvent-based vortex-mixed microextraction Determination of chiral triazole fungicide in beer samples

Journal Highlight: Analysis of ketamine and xylazine in complex matrices using two-dimensional LC/tandem MS

Date: Feb 26, 2018

Author: separationsNOW

By analyzing xylazine and ketamine, both used as anesthetics for horses and cattle, in urine, scientists in the US have shown how multidimensional chromatography can significantly reduce sample preparation time.

Read More thumbnail image: Journal Highlight Analysis of ketamine and xylazine in complex matrices using two-dimensional LCtandem MS

Supercritical fluids bring the past to life: Extracting lipids from archeological ceramic pottery

Date: Feb 19, 2018

Author: Jon Evans

Supercritical fluids have many benefits over organic solvents for extracting lipids from ancient pottery, say a team of British scientists.

Read More thumbnail image: Supercritical fluids bring the past to life Extracting lipids from archeological ceramic pottery

Journal Highlight: Surfactant-assisted electromembrane extraction combined with cyclodextrin-modified CE for the separation and quantification of Tranylcypromine enantiomers in biological samples

Date: Feb 12, 2018

Author: separationsNOW

Chemists in Iran have combined surfactant-assisted electromembrane extraction with cyclodextrin-modified capillary electrophoresis to analyze enantiomers of the antidepressant drug Tranylcypromine in biological samples.

Read More thumbnail image: Journal Highlight Surfactant-assisted electromembrane extraction combined with cyclodextrin-modified CE for the separation and quantification of Tranylcypromine enantiomers in biological samples

Journal Highlight: Simultaneous determination of furfural and its degradation products, furoic acid and maleic acid, in transformer oil by the reversed-phase vortex-assisted LLME followed by HPLC

Date: Jan 22, 2018

Author: separationsNOW

Chinese chemists combined reversed-phase vortex-assisted liquid–liquid microextraction with high-performance liquid chromatography to produce a method for determining furfural, furoic acid and maleic acid in transformer oil.

Read More thumbnail image: Journal Highlight Simultaneous determination of furfural and its degradation products furoic acid and maleic acid in transformer oil by the reversed-phase vortex-assisted LLME followed by HPLC

Turbulence under the sun: Determining exposure to sunscreen ingredients

Date: Jan 15, 2018

Author: Jon Evans

By combining a sample preparation method called turbulence flow chromatography with LC-MS, German scientists have been able to detect three metabolites of a sunscreen ingredient in urine.

Read More thumbnail image: Turbulence under the sun Determining exposure to sunscreen ingredients

Journal Highlight: Sample preparation for large-scale bioanalytical studies based on liquid chromatographic techniques

Date: Jan 8, 2018

Author: separationsNOW

In this literature review, chemists from Romania detail the main sample preparation techniques used for large-scale bioanalytical studies with liquid chromatography, including protein precipitation, liquid–liquid extraction, solid-phase extraction and derivatization.

Read More thumbnail image: Journal Highlight Sample preparation for large-scale bioanalytical studies based on liquid chromatographic techniques

Journal Highlight: A platinized stainless steel fiber with in-situ coated polyaniline/polypyrrole/graphene oxide nanocomposite sorbent for headspace SPME of aliphatic aldehydes in rice samples

Date: Dec 25, 2017

Author: separationsNOW

Chemists in Iran coated a nanocomposite film onto a stainless steel fiber for solid-phase microextraction of linear aliphatic aldehydes from rice samples, prior to analysis by gas chromatography.

Read More thumbnail image: Journal Highlight A platinized stainless steel fiber with in-situ coated polyanilinepolypyrrolegraphene oxide nanocomposite sorbent for headspace SPME of aliphatic aldehydes in rice samples

Taking the plume plunge: Analyzing amino acids in a jet of alien water

Date: Dec 18, 2017

Author: Jon Evans

Capturing amino acids from plumes of water escaping from an icy moon of Saturn may be quite a challenge, but extracting the amino acids for analysis by microchip electrophoresis turns out to be surprisingly easy.

Read More thumbnail image: Taking the plume plunge Analyzing amino acids in a jet of alien water

Journal Highlight: Determination of tanshinones in Danshen (Salvia miltiorrhiza) by HPLC with fluorescence detection after pre-column derivatisation

Date: Dec 11, 2017

Author: separationsNOW

Scientists in Japan have developed a derivatization method for detecting tanshinones, a major class of bioactive ingredients in the medical herb Danshen, by high-performance liquid chromatography with fluorescence detection.

Read More thumbnail image: Journal Highlight Determination of tanshinones in Danshen Salvia miltiorrhiza by HPLC with fluorescence detection after pre-column derivatisation
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