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Puffing away: Capturing the compounds in e-cigarette vapor

Date: Sep 17, 2018

Author: Jon Evans

Using discs of melt-blown non-woven fabric as an extraction material, Polish scientists have developed a standardized method for analyzing the compounds in e-cigarette vapor.

Read More thumbnail image: Puffing away Capturing the compounds in e-cigarette vapor

Journal Highlight: Optimized extraction of secoiridoid glycosides from Gentianae radix by pressurized liquid extraction using a Box–Behnken Design

Date: Sep 10, 2018

Author: separationsNOW

Chinese scientists used a Box–Behnken design to optimize experimental conditions for the pressurized liquid extraction of three secoiridoid glycosides from the flowing plant Gentianae radix, prior to analysis by high-performance liquid chromatography.

Read More thumbnail image: Journal Highlight Optimized extraction of secoiridoid glycosides from Gentianae radix by pressurized liquid extraction using a BoxBehnken Design

Journal Highlight: Use of semi‐automated continuous SPE and GC-MS for the determination of polycyclic aromatic hydrocarbons in alcoholic and non‐alcoholic drinks from Andalucia (Spain)

Date: Aug 27, 2018

Author: separationsNOW

Spanish scientists have developed a method for detecting and quantifying polycyclic aromatic hydrocarbons in drinks such as beer and wine based on semi‐automated solid‐phase extraction followed by gas chromatography–mass spectrometry.

Read More thumbnail image: Journal Highlight Use of semiautomated continuous SPE and GC-MS for the determination of polycyclic aromatic hydrocarbons in alcoholic and nonalcoholic drinks from Andalucia Spain

SPME all at sea: Extracting methylamines from seawater

Date: Aug 20, 2018

Author: Jon Evans

A novel method for determining the concentration of methylamines in seawater, based on solid-phase microextraction and gas chromatography, is designed to be carried out on board research vessels.

Read More thumbnail image: SPME all at sea Extracting methylamines from seawater

Journal Highlight: Different miniaturized extraction methodologies followed by GC–MS/MS analysis for the determination of UV filters in beach sand

Date: Aug 13, 2018

Author: separationsNOW

Scientists in Spain tested four different methods for extracting UV filters from beach sand, including ultrasound and vortex extractions, prior to analysis by gas chromatography-tandem mass spectrometry.

Read More thumbnail image: Journal Highlight Different miniaturized extraction methodologies followed by GCMSMS analysis for the determination of UV filters in beach sand

Journal Highlight: Online fully automated SPE‐HPLC‐MS/MS determination of ceftiofur in bovine milk samples employing a silica‐anchored ionic liquid as sorbent

Date: Jul 23, 2018

Author: separationsNOW

Brazilian scientists used solid‐phase extraction with a silica‐anchored ionic liquid to extract low concentrations of ceftiofur antibiotic from samples of bovine milk.

Read More thumbnail image: Journal Highlight Online fully automated SPEHPLCMSMS determination of ceftiofur in bovine milk samples employing a silicaanchored ionic liquid as sorbent

The buzz of summer: Extracting pesticides from honeybees

Date: Jul 16, 2018

Author: Jon Evans

Chilean scientists have developed a single-step method for extracting various pesticides from honeybees, in order to determine what range of pesticides they are being exposed to in Chile.

Read More thumbnail image: The buzz of summer Extracting pesticides from honeybees

Beer’s volatile fraction caught by microextraction

Date: Jul 11, 2018

Author: Ryan De Vooght-Johnson

The various volatile compounds in beer are important for determining its flavour so accurate analytical methods for their quantification are essential. Researchers from the University of Chemistry and Technology, Prague, used solid-phase microextraction (SPME) and GC-MS to detect volatile beer compounds, optimising t he extraction using a central composite experimental design.

Read More thumbnail image: Beers volatile fraction caught by microextraction

Journal Highlight: Development of an extraction method for the quantification of lignans in espresso coffee by using HPLC‐MS/MS triple quadrupole

Date: Jul 9, 2018

Author: separationsNOW

Italian researchers have tested three methods for extracting lignans from espresso coffee prior to analysis by high‐performance liquid chromatography-tandem mass spectrometry.

Read More thumbnail image: Journal Highlight Development of an extraction method for the quantification of lignans in espresso coffee by using HPLCMSMS triple quadrupole

Journal Highlight: Use of Response Surface Methodology (RSM) for the identification of the best extraction conditions for headspace SPME of the volatile profile of cv. Arbequina extra‐virgin olive oil

Date: Jun 25, 2018

Author: separationsNOW

Scientists from Spain and Portugal have used a mathematical model to identify the optimum extraction conditions for assessing the volatile profile of extra virgin olive oils by headspace solid‐phase microextraction and gas chromatography‐mass spectrometry.

Read More thumbnail image: Journal Highlight Use of Response Surface Methodology RSM for the identification of the best extraction conditions for headspace SPME of the volatile profile of cv_ Arbequina extravirgin olive oil
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