THE BASELINE
Maxwell’s Equations, Part I: History
The historical developments leading up to Maxwell’s equations are discussed in Part I of this series.
David W. Ball
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FOCUS ON QUALITY
Is GMP Annex 11 Europe’s Answer to 21 CFR 11?
The revisions to GMP Annex 11 are examined in terms of the impact on computerized spectrometry systems operating in regulated GMP laboratories.
R.D. McDowall
LASER AND OPTICS INTERFACE
LIBS in Forensics
A Q&A with Jose Almirall, PhD, professor in the Department of Chemistry and Biochemistry and the director of the International Forensic Research Institute at Florida International University.
Laura Bush
ARTICLES
Microwave-Induced Combustion for ICP-MS: A Generic Approach to Trace Elemental Analyses of Pharmaceutical Products
A general MIC–ICP-MS method has been successfully developed for the assay of elemental impurities in pharmaceutical products.
Kwan H. Nam, Robert Isensee, Gabe Infantino, Karol Putyera, and Xinwei Wang
An Integration of Modified Uninformative Variable Elimination and Wavelet Packet Transform for Variable Selection
The wavelet packet transform (WPT) combined with the modified uninformative variable elimination (MUVE) method (WPT–MUVE) is proposed to select variables for multivariate calibration of spectral data.
Xiaojing Chen, Di Wu, and Yong He
Developing a Career in FT-IR
An interview with Jerry Workman, Spectroscopy Editorial Advisory Board member.
The Use of ICP-MS for Trace Contaminant Detection in Cigarette Samples
ON DEMAND WEBCAST
In this educational web seminar presented by Spectroscopy, Christopher Judd, PhD, from the Laboratory of Inorganic and Nuclear Chemistry at the Wadsworth Center of the New York State Department of Health, discusses the application of Q-ICP-MS to the measurement of trace contaminants in cigarettes samples, and to discriminate genuine cigarettes from counterfeits using lead isotope ratios.
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The Easiest and Most Cost-efficient Way to Determine Elements in Environmental Matrices by ICP-MS According to Your Regulations
ON DEMAND WEBCAST
This year significant new technology and software was introduced into the market of Atomic Spectroscopy. How will this affect the future of determining elements Environmental matrices? We would like to invite atomic spectroscopy users working on the environmental market to learn more about meeting European and American regulations for environmental samples with ICP-MS.
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Achieving Ultra Fast, Low Cost Analyses in Compliance with EPA Protocols
ON DEMAND WEBCAST
This webcast will provide the audience with essential information on how to maximize productivity for analysis of environmental samples with emphasis on meeting USA EPA-based protocols and will reference a range of demanding environmental applications. The presenters will describe innovative new technologies to enable high speed liquid sample introduction and ultra fast data acquisition using ICP instrumentation and will discuss the impact of these advances on the global environmental analysis market.
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Basic Principles of Laser-Induced Breakdown Spectroscopy
ON DEMAND WEBCAST
The analytical use of Laser-Induced Breakdown Spectroscopy (LIBS) has its origins back to 1963 with the study of Mrs. Debras and Guedon. Since then, the technology associated with LIBS has evolved (lasers, spectrometers, detectors, data analysis). However despite considerable advantages that only laser-induced plasmas can provide, the delicacy to control and model their basic fundamentals leads to a slower integration of LIBS in the analytical field than other established plasma based techniques such as GD- or ICP-OES.
A review of the basic principles of LIBS will be given and discussed to better understand the technique, the reasons of its slower integration but nevertheless appreciate and explore the unique possibilities that only LIBS can provide to the analytical community.
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