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Journal Highlight: One-step refolding and purification of recombinant human tumor necrosis factor-α (rhTNF-α) using IEC

Date: Mar 2, 2015

Author: separationsNOW

Chinese scientists have shown how ion exchange chromatography can simultaneously refold and purify therapeutic proteins such as recombinant human tumor necrosis factor.

Read More thumbnail image: Journal Highlight One-step refolding and purification of recombinant human tumor necrosis factor- rhTNF- using IEC

Journal Highlight: A study on arsenic speciation in Korean oyster samples using ion chromatography ICP-MS

Date: Feb 23, 2015

Author: separationsNOW

Korean chemists have used ion chromatography and inductively-coupled plasma mass spectrometry to determine the different arsenic species in oysters.

Read More thumbnail image: Journal Highlight A study on arsenic speciation in Korean oyster samples using ion chromatography ICP-MS

Safe enough to drink: Detecting disinfection by-products in drinking water

Date: Feb 9, 2015

Author: Jon Evans

By conducting two dimensional ion chromatography with a conventional column and a capillary column, two chemists from Singapore have developed a quick and sensitive method for detecting toxic by-products of water disinfection.

Read More thumbnail image: Safe enough to drink Detecting disinfection by-products in drinking water

Journal Highlight: A novel ribonuclease with HIV-1 reverse transcriptase inhibitory activity purified from the fungus Ramaria formosa

Date: Feb 2, 2015

Author: separationsNOW

By conducting ion-exchange chromatography with various different columns, Chinese scientists were able to isolate a ribonuclease from dried fruiting bodies of the coral fungus Ramaria formosa.

Read More thumbnail image: Journal Highlight A novel ribonuclease with HIV-1 reverse transcriptase inhibitory activity purified from the fungus Ramaria formosa

Journal Highlight: Expanded and fixed bed IEC for the recovery of C-phycocyanin in a single step by using lysed cells

Date: Jan 26, 2015

Author: separationsNOW

Brazilian scientists have testetd the ability of expanded bed ion exchange chromatography to extract and purify the natural blue dye, C-phycocyanin, from cyanobacteria.

Read More thumbnail image: Journal Highlight Expanded and fixed bed IEC for the recovery of C-phycocyanin in a single step by using lysed cells

Secrets of sediment: Using IC to analyse sediment formation in heating oils

Date: Jan 12, 2015

Author: Jon Evans

Using a range of analytical techniques, including ion chromatography, two German chemists have discovered why blends of fossil heating oils and biodiesel are particularly prone to producing sediment during storage.

Read More thumbnail image: Secrets of sediment Using IC to analyse sediment formation in heating oils

Journal Highlight: In-situ remediation of hydrogen fluoride during a detonation event

Date: Jan 5, 2015

Author: separationsNOW

Researchers from the US Army have used anion exchange chromatography to investigate the formation of hydrogen fluoride during explosions.

Read More thumbnail image: Journal Highlight In-situ remediation of hydrogen fluoride during a detonation event

Journal Highlight: Hyphenation of capillary HP-IEC with MS using sheath-flow electrospray ionization

Date: Dec 22, 2014

Author: separationsNOW

German chemists have combined capillary-size ion-exchange chromatography with mass spectrometry to conduct the speciation analysis of various arsenic compounds.

Read More thumbnail image: Journal Highlight Hyphenation of capillary HP-IEC with MS using sheath-flow electrospray ionization

Wine testing for Xmas: A new IC method for determining sulphite in wine

Date: Dec 8, 2014

Author: Jon Evans

A new ion chromatography method for measuring sulphite concentrations in wine could help to prevent at least some nausea and dizziness over the Christmas period.

Read More thumbnail image: Wine testing for Xmas A new IC method for determining sulphite in wine

Journal Highlight: Giardia lamblia binding immunoglobulin protein triggers maturation of dendritic cells

Date: Dec 2, 2014

Author: separationsNOW

Using various techniques, including ion-exchange chromatography, Korean biologists have fractionated protein extracts from Giardia lamblia, a protozoan pathogen that can cause diarrhea.

Read More thumbnail image: Journal Highlight Giardia lamblia binding immunoglobulin protein triggers maturation of dendritic cells
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