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Magnetic attraction of filter paper: A novel material for magnetic solid phase extraction

Date: Jul 15, 2019

Author: Jon Evans

Chinese scientists have developed a one-step process for converting filter paper into a magnetic, porous, carbon-based material for conducting magnetic solid-phase extraction.

Read More thumbnail image: Magnetic attraction of filter paper A novel material for magnetic solid phase extraction

Journal Highlight: Development of a headspace SPME-GC-MS method to study volatile organic compounds emitted by lavender roots

Date: Jul 8, 2019

Author: separationsNOW

French scientists have developed a headspace solid‐phase microextraction method for extracting volatile organic compounds from the roots of lavandin and fine lavender plants.

Read More thumbnail image: Journal Highlight Development of a headspace SPME-GC-MS method to study volatile organic compounds emitted by lavender roots

Journal Highlight: Simultaneous separation, concentration, and determination of trace fluoroquinolone antibiotics in environmental samples using a polymer aqueous two‐phase system coupled with HPLC

Date: Jun 24, 2019

Author: separationsNOW

Chinese scientists have used a polymer aqueous two-phase system to extract fluoroquinolone antibiotics and their metabolites from environmental samples such as soil and water.

Read More thumbnail image: Journal Highlight Simultaneous separation concentration and determination of trace fluoroquinolone antibiotics in environmental samples using a polymer aqueous twophase system coupled with HPLC

Turned on its head: Homogeneous liquid-liquid extraction with amines

Date: Jun 17, 2019

Author: Jon Evans

Russian scientists have developed a new liquid-liquid extraction method for obtaining analytes from biological fluids such as blood that is faster and simpler than existing methods.

Read More thumbnail image: Turned on its head Homogeneous liquid-liquid extraction with amines

Journal Highlight: Analyte focusing by micelle collapse for liquid extraction surface analysis coupled with CE of neutral analytes on a solid surface

Date: Jun 10, 2019

Author: separationsNOW

Korean chemists have shown that liquid extraction surface analysis can be used to extract pesticides from the surface of an apple for analysis by capillary electrophoresis.

Read More thumbnail image: Journal Highlight Analyte focusing by micelle collapse for liquid extraction surface analysis coupled with CE of neutral analytes on a solid surface

Journal Highlight: Optimization of SPME combined with GC‐MS to analyze aromatic compounds in fresh tomatoes

Date: May 27, 2019

Author: separationsNOW

Chinese scientists have developed an optimized solid‐phase microextraction method for extracting and analyzing volatile compounds from fresh tomatoes, prior to analysis by gas chromatography‐mass spectrometry.

Read More thumbnail image: Journal Highlight Optimization of SPME combined with GCMS to analyze aromatic compounds in fresh tomatoes

Milky goodness: A novel method for extracting phytoestrogens from milk

Date: May 20, 2019

Author: Jon Evans

Italian chemists have developed a novel method for extracting and modifying phytoestrogens from both mammalian and vegetable milks for analysis by gas chromatography-mass spectrometry.

Read More thumbnail image: Milky goodness A novel method for extracting phytoestrogens from milk

Journal Highlight: Preparative isolation of caffeoylquinic acid isomers from Kuding tea by salt‐containing aqueous two‐phase extraction and purification by high‐speed countercurrent chromatography

Date: May 13, 2019

Author: separationsNOW

Chinese scientists used a salt‐containing aqueous two‐phase extraction method to derive and concentrate caffeoylquinic acid and its derivatives from a form of Chinese tea known as Kuding.

Read More thumbnail image: Journal Highlight Preparative isolation of caffeoylquinic acid isomers from Kuding tea by saltcontaining aqueous twophase extraction and purification by highspeed countercurrent chromatography

Journal Highlight: Development and comparison of LLE and accelerated solvent extraction methods for quantitative analysis of chloramphenicol, thiamphenicol, florfenicol and florfenicol amine in poultry eggs

Date: Apr 22, 2019

Author: separationsNOW

Chinese scientists have compared the abilities of liquid-liquid extraction and accelerated solvent extraction for the quantitative analysis of the antibiotics chloramphenicol, thiamphenicol, florfenicol and florfenicol amine in poultry eggs.

Read More thumbnail image: Journal Highlight Development and comparison of LLE and accelerated solvent extraction methods for quantitative analysis of chloramphenicol thiamphenicol florfenicol and florfenicol amine in poultry eggs

Brain extraction: A novel method for extracting neurotransmitters from live brains

Date: Apr 15, 2019

Author: Jon Evans

By taking advantage of solid-phase microextraction, Canadian chemists have found a way to extract neurotransmitters from the brain of a live monkey as non-invasively as possible.

Read More thumbnail image: Brain extraction A novel method for extracting neurotransmitters from live brains
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