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Healthy living with bees: Investigating the antioxidant properties of honey and pollen

Date: Jan 21, 2019

Author: Jon Evans

Chemists from Portugal and Algeria have come up with a quick and easy analytical process, comprising several comparatively simple analytical techniques, for investigating in detail the antioxidant properties of bee products.

Read More thumbnail image: Healthy living with bees Investigating the antioxidant properties of honey and pollen

Journal Highlight: Investigation of the chemical structure and formation mechanism of polydopamine from self‐assembly of dopamine by LC-MS coupled with isotope‐labelling techniques

Date: Jan 14, 2019

Author: separationsNOW

A chemist in Hong Kong used liquid chromatography with various spectrophotometric and mass spectrometric techniques to study the self-assembly of dopamine into polydopamine.

Read More thumbnail image: Journal Highlight Investigation of the chemical structure and formation mechanism of polydopamine from selfassembly of dopamine by LC-MS coupled with isotopelabelling techniques

Journal Highlight: CE‐based approaches for the study of affinity interactions combined with various sensitive and non‐traditional detection techniques

Date: Jan 9, 2019

Author: separationsNOW

This review looks at the benefits of coupling capillary electrophoresis with fluorescence-based detection, mass spectrometry and several non‐traditional detection techniques for studying the interactions between different biomolecules.

Read More thumbnail image: Journal Highlight CEbased approaches for the study of affinity interactions combined with various sensitive and nontraditional detection techniques

Better by design: Making contact with conductivity detectors

Date: Dec 17, 2018

Author: Jon Evans

Looking to overcome a major limitation of contactless conductivity detection, scientists in the US have tested five different designs for conductivity detectors with electodes in direct contact with an ion chromatography eluent.

Read More thumbnail image: Better by design Making contact with conductivity detectors

Journal Highlight: Rapid separation of post‐blast explosive residues on glass electrophoresis microchips

Date: Dec 10, 2018

Author: separationsNOW

Brazilian chemists have combined microchip electrophoresis with capacitively coupled contactless conductivity detection to separate and detect inorganic anions in post‐blast explosive residues.

Read More thumbnail image: Journal Highlight Rapid separation of postblast explosive residues on glass electrophoresis microchips

Journal Highlight: Zero‐valent iron nanoparticles modified screen‐printed electrode for FIA or HPLC amperometric detection of metronidazole in pharmaceutical formulations

Date: Dec 3, 2018

Author: separationsNOW

Researchers from Mexico and Spain have developed an iron nanoparticles modified electrode for amperometric detection of the antibiotic metronidazole in pharmaceutical formulations.

Read More thumbnail image: Journal Highlight Zerovalent iron nanoparticles modified screenprinted electrode for FIA or HPLC amperometric detection of metronidazole in pharmaceutical formulations

Cutting a zigzag: For coupling electrospray ionization with thin-layer chromatography

Date: Nov 19, 2018

Author: Jon Evans

By using scissors with serrated blades to cut a zigzag shape, Taiwanese chemists have come up with a simple way to couple thin-layer chromatography with electrospray ionization.

Read More thumbnail image: Cutting a zigzag For coupling electrospray ionization with thin-layer chromatography

Journal Highlight: Characterisation and screening of antimicrobial essential oil components against clinically important antibiotic‐resistant bacteria using TLC‐direct bioautography hyphenated with GC‐MS, LC‐MS and NMR

Date: Nov 12, 2018

Author: separationsNOW

Researchers in the UK used various analytical techniques, including gas, liquid and thin-layer chromatography with mass spectrometry and NMR spectroscopy, to identify and characterize antimicrobial components in essential oils.

Read More thumbnail image: Journal Highlight Characterisation and screening of antimicrobial essential oil components against clinically important antibioticresistant bacteria using TLCdirect bioautography hyphenated with GCMS LCMS and NMR

Journal Highlight: Novel monofunctional and bifunctional boronic acid‐functionalized squarylium dyes as precolumn and on‐column labels for protein analysis by CE-LIF

Date: Nov 5, 2018

Author: separationsNOW

Egyptian chemists have shown that squarylium dyes can be used to label proteins for analysis by capillary electrophoresis with laser‐induced fluorescence.

Read More thumbnail image: Journal Highlight Novel monofunctional and bifunctional boronic acidfunctionalized squarylium dyes as precolumn and oncolumn labels for protein analysis by CE-LIF

Monitoring meteorite mining: An efficient method for analyzing iron oxidation in space

Date: Oct 15, 2018

Author: Jon Evans

Scientists in Brazil have developed a capillary electrophoresis method, employing both conductivity detection and indirect UV detection, for monitoring meteorite mining by bacteria in the depths of space.

Read More thumbnail image: Monitoring meteorite mining An efficient method for analyzing iron oxidation in space
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