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Heating and rotating: An automated method for coupling HPLC and FTIR

Date: Sep 19, 2016

Author: Jon Evans

Chinese scientists have come up with an effective way to couple together high-performance liquid chromatography and Fourier transform infrared spectroscopy.

Read More thumbnail image: Heating and rotating An automated method for coupling HPLC and FTIR

Journal Highlight: Enantioseparation of α-hydroxyallylphosphonates and phosphonoallylic carbonate derivatives on chiral stationary phases using sequential UV, polarimetric, and refractive index detection

Date: Sep 12, 2016

Author: separationsNOW

Scientists in the US have combined UV, polarimetric and refractive detection with HPLC to analyze enantiomeric α-hydroxyallyl phosphonates and their carbonate derivatives.

Read More thumbnail image: Journal Highlight Enantioseparation of -hydroxyallylphosphonates and phosphonoallylic carbonate derivatives on chiral stationary phases using sequential UV polarimetric and refractive index detection

Journal Highlight: Simultaneous measurement of the molecular weight distribution and 5-ethylidene-2-norbornene content across the molecular weight distribution of ethylene–propylene–diene terpolymer via a new SEC–UV–RI method

Date: Sep 5, 2016

Author: separationsNOW

By combining UV and refractive index detection with size exclusion chromatography, researchers at Dow Chemical have measured the 5-ethylidene-2-norbornene content across the molecular weight distribution in ethylene–propylene–diene terpolymer.

Read More thumbnail image: Journal Highlight Simultaneous measurement of the molecular weight distribution and 5-ethylidene-2-norbornene content across the molecular weight distribution of ethylenepropylenediene terpolymer via a new SECUVRI method

Graphene lights up drug detection: Improving ECL with a graphene-based composite

Date: Aug 15, 2016

Author: Jon Evans

Electrochemiluminescence (ECL) is already a sensitive technique for detecting a wide range of different analytes, but now Chinese chemists have found a simple way to make it even more sensitive.

Read More thumbnail image: Graphene lights up drug detection Improving ECL with a graphene-based composite

Journal Highlight: HPTLC-MALDI MS for (glyco)sphingolipid multiplexing in tissues and blood

Date: Aug 8, 2016

Author: separationsNOW

Italian scientists have combined high performance thin-layer chromatography with MALDI mass spectrometry to determine sphingolipid and glycosphingolipid profiles in samples of muscle, brain and blood serum.

Read More thumbnail image: Journal Highlight HPTLC-MALDI MS for glycosphingolipid multiplexing in tissues and blood

Journal Highlight: Inventory of metal complexes circulating in plant fluids

Date: Aug 3, 2016

Author: separationsNOW

French scientists have combined HPLC with two different types of mass spectrometry (MS) – inductively coupled plasma MS and high-resolution electrospray MS – to analyze metal complexes in the xylem and embryo sac liquid of the green pea.

Read More thumbnail image: Journal Highlight Inventory of metal complexes circulating in plant fluids

Slippery slope to ESI-MS: A novel method for detecting analytes at trace concentrations

Date: Jul 19, 2016

Author: Jon Evans

By mixing together isotachophoresis, isoelectric focusing and electrospray ionization-mass spectrometry, a team of Czech chemists has managed to produce an entirely novel method for concentrating, separating and detecting analytes at trace concentrations.

Read More thumbnail image: Slippery slope to ESI-MS A novel method for detecting analytes at trace concentrations

Journal Highlight: A CE system with dual C4D detection and ESI-MS/MS

Date: Jul 11, 2016

Author: separationsNOW

Two Brazilian chemists have connected two capacitively coupled contactless conductivity detectors to a commercial capillary electrophoresis system coupled to a triple quadrupole mass spectrometer.

Read More thumbnail image: Journal Highlight A CE system with dual C4D detection and ESI-MSMS

Journal Highlight: Reduction of metal adducts in oligonucleotide mass spectra in ion-pair reversed-phase chromatography/mass spectrometry analysis

Date: Jul 6, 2016

Author: separationsNOW

Scientists from the US company Waters have investigated the effect of metal adducts on the analysis of oligonucleotides by electrospray ionization mass spectrometry (ESI-MS)-based techniques.

Read More thumbnail image: Journal Highlight Reduction of metal adducts in oligonucleotide mass spectra in ion-pair reversed-phase chromatographymass spectrometry analysis

Fueling analytical recommendations: Analyzing diesel with a vacuum UV detector

Date: Jun 20, 2016

Author: Jon Evans

Scientists in the US have shown how a novel type of ultraviolet detector could offer a more effective way to determine the chemical composition of middle-distillate fuels such as diesel and jet fuel.

Read More thumbnail image: Fueling analytical recommendations Analyzing diesel with a vacuum UV detector
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