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LCGC Europe

While capillary gas chromatography has been undergoing a renaissance, with new columns, detectors, data systems, and multidimensional separations, the classical inlets have remained the same: We are still injecting liquid samples with syringes into split and splitless inlets, as we have for nearly 50 years. Split and splitless injections present several well-known and some not-so-well known challenges, mostly arising from heating of the inlet, that make sample injection and inlets a major hurdle for gas chromatographers. These challenges and some ideas for mitigating them are discussed and a case is made for renewed exploration of the cool inlets and injection techniques: cool on-column and programmed temperature vaporization.

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LCGC Europe

This is the first of three articles looking at the impact of the new United States Pharmacopeia (USP) chapter on Analytical Instrument Qualification (AIQ) on data integrity in a regulated chromatography labora-tory. In part 1, user specifications for chromatography systems and the relationship between users and sup-pliers will be discussed.

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Special Issues

An important advantage of standardized methods is that they enable comparability between laboratories and across studies. In this work, the author used a standardized targeted kit to demonstrate the accuracy, sensitivity, and reproducibility of the approach, analyzing serum samples obtained from type 2 diabetes study subjects and healthy controls.

Researchers from Merck and Agilent Technologies have developed a simple and fast generic gas chromatography–flame ionization detection (GC–FID) method for the quantitation of volatile amines in pharmaceutical drugs and synthetic intermediates.

This Wednesday morning session will cover instrumental advances for improving signal-to-noise, digital waveform technology, ion mobility, and duty cycle, and for MS analysis of precursor and neutral loss scans and intact high m/z molecular ion analysis. It will be chaired by Randall E. Pedder of Ardara Technologies and will be held in Hall D from 8:30 to 10:30 a.m.

This Wednesday afternoon session on new research in informatics and metabolomics will be chaired by Xiaoyu Yang of NIST. It will be held in Ballroom 6CF on the upper level from 2:30 to 4:30 am.

This Wednesday afternoon session will present new research into the microbiome. It will be chaired by Trent Northern of Lawrence Berkeley National Laboratory and will be held in Ballroom 20A from 2:30 to 4:30 p.m.

This Tuesday morning session will discuss clinical and field applications of mass spectrometry, such as proteomic genotyping, detection of cancer tumors and metastases, tissue profiling, and therapeutic drug monitoring. It will be chaired by Alan Rockwood of Rockwood Scientific Consulting and will be held in Ballroom 6CF from 8:30 to 10:30 a.m.

The 2018 recipient of the Biemann Medal is Benjamin A. Garcia for his contributions to elucidation of the “histone code,” the set of posttranslational modifications (PTMs) to histone proteins that are thought to regulate gene expression. His lecture will be given at 4:45 pm in Hall D, at the ground level.

This Tuesday afternoon session will discuss mass spectrometry analysis of emerging environmental contaminants found in fish, wastewater effluent, arctic snow, drinking water, and other matrices. It will be chaired by Eunha Hoh of San Diego State University and will be held in Ballroom 6A from 2:30 to 4:30 p.m.