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: Design and degradation in drug determination

There is a need for new analytical methods for the anticancer drug sorafenib, which are suitable both for the compound itself and its degradation products. Researchers from Panjab University in India used an analytical quality by design approach (AQbD), including a face-centred cubic experimental design, to devise a new HPLC method for sorafenib and its degradation products.

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2018 Free Sample Issues of Key Analytical Science Journals

The 2018 free sample issues of all our Analytical Chemistry journals are now available!

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Advertorial Feature

Journal of Separation Science Celebrates 40th Anniversary

thumbnail image: <font size=3>Journal of Separation Science Celebrates 40th Anniversary</font>

The Journal of Separation Science was born in 1978 with the name, Journal of High Resolution Chromatography, and this year celebrates its 40th birthday. To celebrate, we've created a virtual issue containing the journal's top 40 cited papers over the last four decades; and it's free for you to read for the whole of 2017.

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Ezines

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Cannabis compounds in cords captured by UHPLC

Ryan De Vooght-Johnson

Jun 18, 2018

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The use of cannabis during pregnancy can lead to adverse effects on babies so objective methods are needed to determine whether cannabis has been taken. Scientists from the City University of New York and the University of Santiago de Compostela, Spain, devised a new UHPLC-MS/MS method for detecting the main active ingredient of cannabis (THC) and its metabolites in umbilical cords.

Models for predicting chromatographic behaviour on single and coupled columns which have aged have been adapted to correct the time and peak profiles.

Chiral LC solves honey mystery

Ryan De Vooght-Johnson

May 25, 2018

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Traces of the antibiotic chloramphenicol, which is banned in food-producing animals, were detected by LC-MS in honey being exported from the Ukraine, but an ELISA test proved negative. Scientists from the SCIVP (a government institute in Lviv, Ukraine), R-Biopharm AG (Darmstadt, Germany) and Wageningen University and Research Centre (Netherlands) used chiral LC to investigate the discrepancy.

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Education

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The Basics of Micro-LC

Thorsten Teutenberg, Terence Hetzel, Denise Loeker, Juri Leonhardt

Apr 3, 2018

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For some time “sustainable processes” has been the phrase on everyone’s lips. As far as analytical labs are concerned there are many possibilities for saving energy or rather for using resources more efficiently. Besides the real “energy guzzlers” such as extractors and safety cabinets, complex analysis apparatus has to be subjected to critical system checks, too.

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...

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Events

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Future Events

The Impact of Advances in Mass Spectrometry and Analytical Techniques on Detecting and Revealing Microbial Behaviour and lnteraction with their Environment: A joint meeting with the Society for Chemical lndustry, King's College London, Royal Free London NHS Trust, University of East London, University College London, Guys Hospital, Queen Mary University of London & Public Health England.

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Journals

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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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Webinars

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Sensitive and Robust Analysis of Emerging Contaminants in Water

Date: Jun 27, 2018 - 15:00

In this webinar we will present how to optimize the routine LC/MS/MS analysis of emerging contaminants in water like PFAS and algal toxins, in order to generate sensitive, robust and accurate data.

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