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Thoughts on redox species: Detecting metal cations in cerebrospinal fluid

Date: May 8, 2017

Author: Jon Evans

A team of scientists from Russia, Germany and Italy has developed the first method for simultaneously determining different redox species of iron, manganese and copper in cerebrospinal fluid.

Read More thumbnail image: Thoughts on redox species Detecting metal cations in cerebrospinal fluid

Journal Highlight: Reverse iontophoretic extraction of metabolites from living plants and their identification by IC coupled to HRMS

Date: May 3, 2017

Author: separationsNOW

Scientists in the UK have used ion chromatography and mass spectrometry to analyze metabolites extracted from the leaves of basil plants by non-destructive reverse iontophoresis.

Read More thumbnail image: Journal Highlight Reverse iontophoretic extraction of metabolites from living plants and their identification by IC coupled to HRMS

Journal Highlight: Amino acid profiling of zinc resistant prostate cancer cell lines: Associations with cancer progression

Date: Apr 24, 2017

Author: separationsNOW

Scientists in the Czech Republic have used ion-exchange liquid chromatography to analyze the amino acid profiles of zinc resistant prostate cancer cell lines.

Read More thumbnail image: Journal Highlight Amino acid profiling of zinc resistant prostate cancer cell lines Associations with cancer progression

Graphene takes up the challenge: A novel ion-exchange material for challenging separations

Date: Apr 10, 2017

Author: Jon Evans

Chinese chemists have combined graphene with two different polymers to create a novel stationary phase material for anion-exchange chromatography.

Read More thumbnail image: Graphene takes up the challenge A novel ion-exchange material for challenging separations

Journal Highlight: Purification and characterisation of soluble acid invertase from mango fruits

Date: Apr 6, 2017

Author: separationsNOW

Chinese scientists have used ammonium sulphate fractionation and anion-exchange chromatography to extract and purify soluble acid invertase from mango fruits.

Read More thumbnail image: Journal Highlight Purification and characterisation of soluble acid invertase from mango fruits

Journal Highlight: Silica-supported polymeric monolithic column with a mixed mode of hydrophilic and strong cation-exchange interactions for microcolumn LC

Date: Mar 27, 2017

Author: separationsNOW

Chinese chemists have developed a novel hydrophilic, strong cation-exchange monolith for conducting multimodal chromatography.

Read More thumbnail image: Journal Highlight Silica-supported polymeric monolithic column with a mixed mode of hydrophilic and strong cation-exchange interactions for microcolumn LC

Sweet new analytical method: Detecting organic molecules in sugarcane vinasse

Date: Mar 13, 2017

Author: Jon Evans

A novel analytical method based on anion-exchange chromatography and pulsed amperometric detection could help to improve the economics of generating biofuels from sugarcane.

Read More thumbnail image: Sweet new analytical method Detecting organic molecules in sugarcane vinasse

Journal Highlight: Modeling of complex antibody elution behavior under high protein load densities in ion exchange chromatography using an asymmetric activity coefficient

Date: Mar 6, 2017

Author: separationsNOW

German researchers have attempted to model complex antibody elution behavior under high protein load densities in ion exchange chromatography.

Read More thumbnail image: Journal Highlight Modeling of complex antibody elution behavior under high protein load densities in ion exchange chromatography using an asymmetric activity coefficient

Journal Highlight: Effect of guanidine and arginine on protein–ligand interactions in multimodal cation-exchange chromatography

Date: Feb 27, 2017

Author: separationsNOW

Researchers in the US used molecular dynamics simulations to study the interactions between proteins and fluid phase modifiers in multimodal chromatography.

Read More thumbnail image: Journal Highlight Effect of guanidine and arginine on proteinligand interactions in multimodal cation-exchange chromatography

Printing patterned plates: Producing TLC plates with a 3D printer

Date: Feb 13, 2017

Author: Jon Evans

After showing that thin-layer chromatography (TLC) can be conducted with an ink-jet printer and a scanner, German researchers have now shown that TLC plates can be produced with a do-it-yourself 3D printer.

Read More thumbnail image: Printing patterned plates Producing TLC plates with a 3D printer
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