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The detection and quantitation of allergens in complex cosmetics extracts using two-dimensional gas chromatography–time-of-flight mass spectrometry (GC×GC–TOF-MS) is described. In particular, variable-energy electron ionization is shown to enhance both the sensitivity and selectivity of analyses by generating mass spectra containing structurally significant fragment ions with an improved molecular ion signal.

Incognito investigates if changing the carrier gas really requires a full method revalidation.

Click the title above to open The Column February 20, 2014 North American issue, Volume 10, Number 3, in an interactive PDF format.

Click the title above to open The Column February 20, 2014 Europe & Asia issue, Volume 10, Number 3, in an interactive PDF format.

Click here to view the full European E-newsletter from February 13 2014.

Click here to view the complete E-Separation Solutions newsletter from February 13, 2014.

Everyone loves a list. At least, the LCGC editorial team does! LCGC?s biggest stories of the year show just how varied the world of chromatography is. From Excel modeling to evaluating a calibration curve, from trends in sample preparation to poor resolution and sample recovery in UHPLC ? these popular pieces stand for their technical know-how, unique insight, and perspective.

Thermo Fisher Scientific (California, USA) has completed its acquisition of Life Technologies Corporation for $13.6 billion, following receipt of all required regulatory approval. Thermo Fisher has now established a new segment, Life Science Solutions that will be headed by Mark Stevenson, who served as CEO of Life Technologies.

Internal standards are an important tool of analytical chemists. Mary Ellen McNally offers advice for how to introduce an internal standard and how to avoid common errors.

Shimadzu has announced the opening of a Shimadzu Solution Center at its North American headquarters in Maryland, USA. Covering 4100 square foot, the facility will be used to enable collaboration between customers and the company to develop responses to demand.

Sigma-Aldrich (St Gallen, Switzerland) has been named in the ?Global 100 Most Sustainable Corporations in the World?. The list was announced at the World Economic Forum in Davos, Switzerland

Professor Milton L. Lee of Brigham Young University in the USA was presented with the 2014 LCGC Europe Lifetime Achievement Award. Alasdair Matheson, editor-in-chief of LCGC Europe, presented the award to Lee to a packed HTC-13 conference in Bruges, Belgium, for his outstanding achievements in hyphenated chromatographic techniques and for distinguished service to the international separation science community.

In this new video from LCGC TV, Dick Henry, consultant, discusses a trend that could renew efforts towards developing novel LC stationary phases with improved selectivity, peak symmetry, and stability.

Click here to view the complete E-Separation Solutions newsletter from February 6, 2014.

Click here to view the full European E-newsletter from February 6 2014.

Scientists in the USA have carried out an investigation into the variety of beverages enjoyed by the Northern Bronze and Iron Age peoples before written records began using a combination of analytical chemical techniques.1

The Column spoke to Stewart Reynolds, Senior Science Specialist at FERA and Head of the UK National Reference Laboratory for Pesticide Residues, about the challenges that food analysts face and how the standards of food analysis are being boosted to comply with internationally recognized food safety standards and EU regulations.

A team of researchers from the University of California Davis (California, USA) in collaboration with scientists in Mexico and South Korea have performed liquid chromatography–mass spectrometry (LC–MS) to find that sugars added to proteins could be an indicator of gastric cancer.

Characterization of a whole polymer (amorphous and crystalline fractions) in a quality control (QC) laboratory is described.

Pittcon will be held from 2–6 March 2014 in Chicago, USA. Here we take a look at what to expect at the world’s largest annual conference and exposition on laboratory science.

Click the title above to open The Column February 03, 2014 North American issue, Volume 10, Number 2, in an interactive PDF format.

Click the title above to open The Column February 03, 2014 Europe & Asia issue, Volume 10, Number 2, in an interactive PDF format.

Gas chromatography with electron ionization and mass spectrometry (GC–EI-MS) detection is a workhorse among analytical techniques in metabolomics.

Carbon nanotubes (CNTs) are cylindrical allotrope nanostructures of carbon with unique structures and unusual properties.

Recent advances in sampling techniques in the pharmaceutical industry sparked significant interest in applying improvements to extraction methods for greater analyte detection and quantitation.

A discussion of the future role of miniature MS systems, the need for simplification in operation, the role of ambient ionization, and challenges in development and commercialization.

Many parameters within liquid chromatography–mass spectrometry (LC–MS) methods are "locked and left" - that is, they are optimized using a few methods when new, then only changed if absolutely necessary because of poor analytical performance.

The National Institute of Standards and Technology (NIST).