HPLC @ separationsNOW

The HPLC channel covers all techniques used for the separation of liquids.

This includes multidimensional techniques (e.g. LCxLC) and hyphenated techniques (e.g. LC-MS). Also included are capillary LC, nano LC, SEC (Size Exclusion Chromatography) and GPC (Gel Permeation Chromatography).

Gas Chromatography

Monthly Highlight

Last Month's Most Accessed Feature: Metabolites of deadly NPS elucidated by LC-MS

Increasing amounts of new psychoactive substances (NPS), such as butyrfentanyl, are being used across Europe. Researchers from the University of Zurich used a combination of UHPLC and a QTOF (quadrupole time-of-flight) mass spectrometer to detect the metabolites of butyrfentanyl produced in-vitro and in-vivo.

Read More thumbnail image: Last Month's Most Accessed Feature: Metabolites of deadly NPS elucidated by LC-MS

2017 Free Sample Issues of Key Analytical Science Journals

The 2017 free sample issues of all our Analytical Chemistry journals are now available!

Read More thumbnail image: 2017 Free Sample Issues of Key Analytical Science Journals

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JMS Special Feature Collections

thumbnail image: <font size=3>JMS Special Feature Collections</font>

For over 20 years, each issue of the Journal of Mass Spectrometry has contained a Special Feature article. These are highly regarded in the mass spectrometry community and extremely popular with researchers around the globe. These features are freely available to the entire mass spec community.

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Improved detection of cefonicid with 2D HPLC

Ryan De Vooght-Johnson

Oct 15, 2017

thumbnail image: Improved detection of cefonicid with 2D HPLC

Standard HPLC methods for many pharmaceuticals often use non-volatile salts, such as phosphates, which are incompatible with mass spectrometry. Scientists from Zhejiang University and Zhejiang Institute of Food and Drug Control employed two-dimensional HPLC, with phosphate being used for the first column and formate for the second, to detect novel impurities in the antibiotic cefonicid by mass spectrometry.

Cannabinoid research from an analytical viewpoint is rapidly developing as a more liberal approach to the medical, legal and social issues of the drug is adopted. Start reading our cannabinoid collection of papers here - free to access until the end of December.

Contamination by quinolones cleverly caught by MLC

Ryan De Vooght-Johnson

Oct 1, 2017

thumbnail image: Contamination by quinolones cleverly caught by MLC

Antibiotic residues in meat can be harmful to consumers and lead to increasing populations of antibiotic-resistant bacteria. Scientists from Jaume I University in Castelló, Spain, successfully developed a validated method using micellar liquid chromatography (MLC) to detect antibiotic residues in various types of meat.

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Selected key technologies of the analytical science industry are discussed by Steve Down with reference to burgeoning application areas and the scope for future improvements.

Ion source pressure plays a significant role in the process of ionization and the subsequent ion transmission inside a mass spectrometer. Pressurizing the ion source to a gas pressure greater than atmospheric pressure is a relatively new approach that aims to further improve the performance of atmospheric pressure ionization sources. A brief review on the development of super-atmospheric pressure ion sources, including high-pressure electrospray, field desorption and superheated ESI, and the strategies to...

In the current context of international conflicts and localized terrorist actions, there is unfortunately a permanent threat of attacks with unconventional warfare agents. Among these, biological agents such as toxins, microorganisms, and viruses deserve particular attention owing to their ease of production and dissemination. Mass spectrometry-based techniques for the detection and quantification of biological agents have a decisive role to play for countermeasures in a scenario of biological attacks.

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The Journal of Mass Spectrometry (JMS) publishes papers on a broad range of topics of interest to scientists working in both fundamental and applied areas involving the study of gaseous ions.

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