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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

Come together: The benefits of combining two extraction methods

Date: Jun 18, 2018

Author: Jon Evans

Iranian scientists have combined electromembrane extraction with electro-assisted liquid-liquid microextraction and shown that together they can effectively extract two antidepressants from wastewater and urine.

Read More thumbnail image: Come together The benefits of combining two extraction methods

Journal Highlight: Electrospun polyacrylonitrile‐zeolite imidazolate framework‐8 nanofibers for the thin‐film microextraction of bisphenol A

Date: Jun 11, 2018

Author: separationsNOW

Iranian chemists have developed a novel nanofiber film for the thin‐film microextraction of bisphenol A from samples such as wastewater and plastic baby bottles, prior to analysis by high‐performance liquid chromatography.

Read More thumbnail image: Journal Highlight Electrospun polyacrylonitrilezeolite imidazolate framework8 nanofibers for the thinfilm microextraction of bisphenol A

Needling smell of urine: Capturing VOCs with needle trap microextraction

Date: May 21, 2018

Author: Jon Evans

For the first time, scientists in Portugal have tried using needle trap microextraction to capture cancer-related volatile organic compounds released from urine.

Read More thumbnail image: Needling smell of urine Capturing VOCs with needle trap microextraction

Viral VOCs: Optimizing the extraction of VOCs from infected cells

Date: Apr 16, 2018

Author: Jon Evans

Researchers in the US have developed an optimized solid-phase microextraction method for extracting volatile organic compounds from cells infected with viruses, as a way of diagnosing viral diseases.

Read More thumbnail image: Viral VOCs Optimizing the extraction of VOCs from infected cells

Journal Highlight: A new strategy for accelerated extraction of target compounds using molecularly imprinted polymer particles embedded in a paper‐based disk

Date: Mar 26, 2018

Author: separationsNOW

German scientists have shown that a paper disk embedded with molecularly imprinted polymers can be used for the solid-phase extraction of acesulfame, an anthropogenic water quality marker, prior to analysis by liquid chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight A new strategy for accelerated extraction of target compounds using molecularly imprinted polymer particles embedded in a paperbased disk

The characteristic smell of old plastic: Analyzing VOCs from museum pieces

Date: Mar 19, 2018

Author: Jon Evans

British chemists have shown that collecting and analyzing the volatile organic compounds released by historical plastic items held in museums can provide an effective way to determine whether they are deteriorating over time.

Read More thumbnail image: The characteristic smell of old plastic Analyzing VOCs from museum pieces
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