American Laboratory Volume 45, Number 6 Contents Food and Beverage
High-Performance Ion Mobility Spectrometry: A Tool for Rapid Food Safety Screening by A.J. Midey, C.A. Krueger, M.A. Osgood, J. Wu, and C. Wu ......................................10
The high-performance ion mobility spectrometry (HPIMS) system described here is a sensitive method for the detection of high-priority contaminants.
Materials Science
Handheld and Portable FTIR Spectrometers for the Analysis of Materials: Taking the Lab to the Sample
by A.J. Rein and J. Seelenbinder ...............................................................................16
Handheld and portable FTIR spectrometers are rapidly being accepted as a new analytical approach to the measurement of a wide variety of materials.
What Is This? Correctly identify this month’s cover image and be entered to win a $10
Amazon gift card (one entry per person; you must be 18 years of age to be eligible. See contest rules at
americanlaboratory.com/contest).
Hint: Throughout history, it has been used in baking and beer, and its promising role in the biotechnology industry is now on the rise. The image on this month’s cover was captured using SEM imaging, original magnification 50,000×.
Can you guess what it is? Enter by leaving your answer in the comments section of our blog post at
http://goo.gl/8SzUw. See the answer to the May cover on page 40.
Pharmaceutical
A Novel Sample Preparation Method for Complete Digestion of Complex Pharmaceutical Matrices
by R. Klopper and E. Fox ...........................................................................................23
A novel sample preparation technique called microwave-induced oxygen combustion, combined with acid digestion, is effective for the digestion of difficult pharmaceutical matrices.
LIMS Mobility: The New Frontier by E. Winstanley .......................................................................................................26
Mobile devices are of great benefit to analysts who do not have immediate access to LIMS.
Chemistry
Development of a 100% Dimethyl Sulfoxide (DMSO) Sample Solution for Liquid Handler Performance Verification
by R. Parshley, J.T. Bradshaw, and K. Olson ...............................................................31
The performance of a DMSO-based dual-dye solution for liquid handling applications is described.
AMERICAN LABORATORY • 2 • JUNE/JULY 2013
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