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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HPLC using ion‐pairing coupled to fluorescence detection has been used to measure tyrosine, phenylalanine, and tryptophan from hydrolysed peptides without requiring prior derivatization, which will be useful in drug discovery.

More alcohol is seen to make your LC green

Ryan De Vooght-Johnson

Aug 20, 2018

thumbnail image: More alcohol is seen to make your LC green

HPLC traditionally uses environmentally harmful solvents, such as acetonitrile, although less harmful alternatives often work just as well. Scientists from the Ahram Canadian University (near Cairo) and Ain Shams University (Cairo) used experimental design to optimise two HPLC systems, both using ethanol and buffer solution, for the analysis of cardiovascular drugs, examining the results using two different green evaluation tools.

DBS and LC-MS crack cocaine analysis

Ryan De Vooght-Johnson

Aug 9, 2018

thumbnail image: DBS and LC-MS crack cocaine analysis

The accurate analysis of cocaine and its metabolites in blood samples is important for both health professionals and law enforcement agencies. Scientists from the University of Pavia, Italy, devised a new method of analysing dried blood spots (DBSs) containing cocaine or its metabolites by LC-MS/MS, applying it to post-mortem blood samples.

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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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Future Events

proteomicsNOW: A virtual conference on mass spectrometry in proteomics

Oct 17, 2018

Your desk, United States of America

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Join thought leaders and peers at the proteomicsNOW virtual conference to learn about the latest advances in proteomics, share best practices, and explore new technologies and techniques designed to help improve your research results. This 12-hour event will highlight recent developments in proteomics through live webinars, lightning talks, poster sessions, and panel discussions.

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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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