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Golden breath: Extracting pungent polyamines from breath with gold nanoparticles

Date: Mar 18, 2019

Author: Jon Evans

Chinese scientists have combined gold nanoparticles with capillary electrophoresis to produce a novel method for detecting some of the compounds that cause bad breath, which they used to confirm the effectiveness of tooth brushing.

Read More thumbnail image: Golden breath Extracting pungent polyamines from breath with gold nanoparticles

Journal Highlight: Development of a 450 nm laser irradiation desorption method for fast headspace solid‐phase microextraction of volatiles from krill oil

Date: Mar 11, 2019

Author: separationsNOW

Chinese scientists have developed a laser irradiation desorption method for extracting volatiles from Antarctic krill oil for analysis by gas chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight Development of a 450nm laser irradiation desorption method for fast headspace solidphase microextraction of volatiles from krill oil

GC-MS and SPE measure poisons in your tea

Date: Mar 4, 2019

Author: Ryan De Vooght-Johnson

Traces of potentially harmful polycyclic aromatic hydrocarbons are found in many drinks, both alcoholic and non-alcoholic, giving a need for analytical methods suitable for handling large numbers of samples. Scientists from the University of Jaén, Spain, developed a new method for analysing polycyclic aromatics in drinks, involving semi-automated SPE followed by GC-MS.

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Journal Highlight: Determination of multi‐class antibiotic residues in compost by microwave‐enhanced accelerated solvent extraction and ultra performance convergence chromatography‐tandem mass spectrometry

Date: Feb 25, 2019

Author: separationsNOW

Chinese scientists used microwave‐enhanced accelerated solvent extraction to derive 20 antibiotic residues from compost, which they then analyzed with ultra performance convergence chromatography‐tandem mass spectrometry.

Read More thumbnail image: Journal Highlight Determination of multiclass antibiotic residues in compost by microwaveenhanced accelerated solvent extraction and ultra performance convergence chromatographytandem mass spectrometry

Brushing away proteins: Capturing specific proteins with polymer brushes

Date: Feb 18, 2019

Author: Jon Evans

Using polymer brushes with different compositions on a gold surface, scientists from Belgium and Poland were able to capture specific proteins from a mixture by simply altering the ionic strength of the surrounding medium.

Read More thumbnail image: Brushing away proteins Capturing specific proteins with polymer brushes

Journal Highlight: An efficient method for extracting next‐generation sequencing quality RNA from liver tissue of recalcitrant animal species

Date: Feb 11, 2019

Author: separationsNOW

Scientists in India have optimized a three‐step protocol for extracting high‐yield and high‐quality total RNA from the liver tissue of animals such as sheep and goats.

Read More thumbnail image: Journal Highlight An efficient method for extracting nextgeneration sequencing quality RNA from liver tissue of recalcitrant animal species

Journal Highlight: Application of fabric phase sorptive extraction with GC-MS for the determination of organophosphorus pesticides in selected vegetable samples

Date: Jan 28, 2019

Author: separationsNOW

Chemists in the US and India have shown that a novel microextraction technique called fabric phase sorptive extraction can be used to extract four organophosphorus pesticides from tomatoes and vegetables.

Read More thumbnail image: Journal Highlight Application of fabric phase sorptive extraction with GC-MS for the determination of organophosphorus pesticides in selected vegetable samples

Quick extraction with no pain: A novel process for extracting paracetamol from human urine

Date: Jan 21, 2019

Author: Jon Evans

By combining novel versions of two extraction methods, Iranian chemists have produced a process for extracting paracetamol from human urine that is not only more effective than previous versions but also faster.

Read More thumbnail image: Quick extraction with no pain A novel process for extracting paracetamol from human urine

Journal Highlight: Microextraction sample preparation techniques in forensic analytical toxicology

Date: Jan 14, 2019

Author: separationsNOW

This review looks at various microextraction methods used in forensic analytical toxicology, including solid‐phase microextraction and liquid‐based microextraction.

Read More thumbnail image: Journal Highlight Microextraction sample preparation techniques in forensic analytical toxicology

Journal Highlight: A new Zn mixed‐ligand coordination polymer fiber for solid‐phase microextraction of the anticancer drug tamoxifen

Date: Dec 24, 2018

Author: separationsNOW

Iranian scientists have developed a new metal‐organic coordination polymer as a solid‐phase microextraction fiber and used it to extract the anticancer drug tamoxifen from urine samples.

Read More thumbnail image: Journal Highlight A new Zn mixedligand coordination polymer fiber for solidphase microextraction of the anticancer drug tamoxifen
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