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April 2015 Issue of The Analytical Scientist

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Articles featured in this issue

Techniques & Tools Proteomics

Countering Commoditization

| Rich Whitworth

The moment we start taking technology for granted, we risk stifling future innovation and creativity.

Techniques & Tools Spectroscopy

Surgical Spectroscopy: the Race is On

| Stephanie Sutton

Researchers working on Raman spectroscopy based surgical tools sprint towards clinical applications.

Techniques & Tools Food, Beverage & Agriculture

Beer Ahoy!

| Stephanie Sutton

When bottles of beer from the 1840s were found on a shipwreck, there was only one thought on the minds of analytical scientists: what chemicals do they contain?

Techniques & Tools Spectroscopy

CSI: Hair Dye

| Stephanie Sutton

Can surface-enhanced Raman spectroscopy (SERS) help catch vain criminals?

Fields & Applications Mass Spectrometry

MS Toothpicks

| Stephanie Sutton

Can wooden toothpicks be the key to improving detection of drugs of abuse using mass spectrometry?

Techniques & Tools Liquid Chromatography

Greening Analysis with SFC

| Eric Francotte

Supercritical fluid chromatography started out as anything but green. The road has been bumpy, but the modern technique cannot be ignored from an environmental perspective – despite its slight identity crisis.

Techniques & Tools Data Analysis

Why Not Excel in Data Analysis?

| Mark T. Stauffer

There are a plethora of useful software packages available to analytical scientists for processing experimental data and results. At the top of the list – or pretty darn close to the top – is Microsoft Excel. Why?

Fields & Applications Data Analysis

Trust in Quantitative Analysis

| Richard C. King

The ageless wisdom, “imitation is the sheerest form of flattery,” once again holds true. Unfortunately in quantitative analysis, imitation comes with real consequences.

Fields & Applications Data Analysis

How to KISS (Keep it Simple, Stupid)

| Scott Phillips

Consider designing the readout first when developing point-of-need assays.

Fields & Applications Gas Chromatography

All Eyes on Multidimensional Chromatography

| Daniel Armstrong, Robert A. Welch

Ahead of ISCC & GC×GC 2015 symposium, we bring together a posse of multidimensional ranchers for a glimpse of what’s going on in the field – and what to expect at the Texan conference.

Techniques & Tools Mass Spectrometry

Wrangling Orthogonality in Multidimensional Chromatography

| Michelle Camenzuli

The quest for greater separation power, in terms of peak capacity, has inevitably led to the development of multidimensional chromatographic techniques.

Techniques & Tools Gas Chromatography

Reigning in Multidimensional Data

| James Harynuk

My group is working on several new things for GC×GC right now.

Techniques & Tools Mass Spectrometry

Vacuum-UV Lone Star versus MS

| Kevin Schug

Recently, a vacuum ultraviolet (VUV) detector for gas chromatography (GC) was introduced into the market, taking a top five spot in The Analytical Scientist Innovation Awards 2014 in the process.

Techniques & Tools Mass Spectrometry

Rodeo Champ

| Mark Schure

For most of my industrial career, I’ve been a modeler and have had to deliver practical results.

Techniques & Tools Gas Chromatography

Young Guns: Ionic Liquids for GCxGC

| Jared Anderson

Comprehensive two-dimensional gas chromatography (GC×GC) is a step up from standard GC and involves connecting two distinct columns each possessing stationary phases with different selectivities to achieve high resolving power.

Fields & Applications Proteomics

The Rise, Fall and Rise of FFF

| Wim Kok

Nearly half a century ago, J. Calvin Giddings published a letter that laid out his ideas for a new separation strategy. It resulted in a collection of techniques known as field-flow fractionation (FFF)

Techniques & Tools Mass Spectrometry

In the FFF Hot Seat

| Christoph Johann

Christoph Johann, founder and MD of Wyatt Technology Europe, the company that originally introduced field-flow fractionation (FFF) instrumentation to Europe’s analytical scientists, looks at the history of the technique and shares his involvement with the field.

Techniques & Tools Data Analysis

Taking FFF to the Next Dimension

| Thorsten Klein

Way back in the mid-1960s, somewhere in the North American Midwest, J. Calvin Giddings spent a sleepless night in a noisy motel room. Even the room’s rattling air-conditioning unit gave him a hard time.

Techniques & Tools Mass Spectrometry

The Softly-Softly Approach

| Laura McGregor, Anthony Gravell, Ian Allan, Graham Mills, David Barden, Nick Bukowski, and Steve Smith

In 2014, Select-eV took a top spot in The Analytical Scientist Innovation Awards (TASIAs). Here, the technology is teamed up with (GC×GC)-MS in an unusual international environmental monitoring project.

Techniques & Tools Mass Spectrometry

Building Bridges

| Gérard Hopfgartner

Sitting Down With... Gérard Hopfgartner, Professor in Analytical Sciences and Mass Spectrometry and Head of the Mass Spectrometry Platform of the Sciences Faculty, University of Geneva, Switzerland.

Fields & Applications Materials

2D Analysis of Thermoplastic Elastomers TPE

| Sponsored by PSS

Copolymer analysis can be complex. The 2D approach is the only way to determine molar mass and chemical composition distributions simultaneously.

Fields & Applications Spectroscopy

On-line Quality Control Measurements in Varying Conditions

| Sponsored by Ocean Optics

Even as advances in engineering technologies and manufacturing processes have lowered the cost to make and distribute products, the demand for continued improvement is as strong as ever.

Fields & Applications Pharma & Biopharma

The Humanity in Science Award Gala Dinner

| Andreas Seidel-Morgenstern, Peter Seeberger

Over 65 esteemed analytical scientists gathered in New Orleans to celebrate the achievements of Peter Seeberger and Andreas Seidel-Morgenstern of the Max-Planck Institutes.

Techniques & Tools Mass Spectrometry

The Frontier of Gas Chromatography

| Hans Mol

When I was asked to evaluate a brand-new instrument with disruptive potential in my field, I did not spend long thinking about the answer. Here, I share a little background and my first impressions.

Techniques & Tools Mass Spectrometry

Finding TLC’s Missing Link: MS

| Gertrud Morlock

For years, thin layer chromatography has been working hard in the background, the choice technique in certain applications. More recently, hyphenation with mass spectrometry has been a relatively quiet – but very real – game-changer. What have you been missing?

Fields & Applications Sample Preparation

Detecting the Presence of Anomalous Large Particles within Powders Using Laser Diffraction Particle Size Analysis

In some industries, for example, in early-stage pharmaceutical development, it is desirable to measure particle size from a small samples of dry powders. However measuring small quantities risks measuring a sample that is not representative of the bulk material. In this application note, we demonstrate the capability of the Aero S dry dispersion unit and the Mastersizer 3000 to measure small quantities of pharmaceutical materials dosed with large particles and to detect those large, anomalous particles.

Other issues of 2015