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Spectroscopy-02-01-2008
Spectroscopy
The Long, Complicated, Tedious, and Difficult Route to Principal Components: Part II
February 01, 2008
Chemometrics in Spectroscopy
23
2
Howard Mark and Jerome Workman, Jr. continue their discussion of the derivation of the principal component algorithm using elementary algebra.
Surface-Enhanced Raman Scattering
February 01, 2008
Molecular Spectroscopy Workbench
23
2
Columnist Fran Adar discusses surfaced-enhanced Raman scattering (SERS). The phenomenon is described and the enhancement factors that make it so attractive for analytical purposes are pointed out. In particular, she reviews the state-of-the-art from the point of view of the instrumentation and the robustness of the measurements.
Miniature Optical Spectrometers: Follow the Money Part II: The Telecommunications Boom
February 01, 2008
Articles
23
2
The author examines NIR spectrometers and the technologies developed during the telecommunications boom of the late 1990s, focusing on miniaturized optical techniques generally called MOEMS.
Label-Free SERS for Rapid Species Identification of Escherichia Coli, Listeria Monocytogenes, and Salmonella Typhimurium Bacteria
February 01, 2008
Articles
23
2
The authors develop a label-free SERS method for rapid, accurate, specific, and routine screening of E. coli, L. monocytogenes, and S. typhimurium bacteria for public safety and security.
ICP-MS Detection for HPLC Analyses of Pharmaceutical Products
February 01, 2008
Articles
23
2
The implementation of ICP-MS as a detection system for reversed-phase HPLC was proven to be a useful technique for the investigation of pharmaceutical molecules containing the heteroatoms sulfur, phosphorus, bromine, and chlorine, as well as organometallic compounds containing a transition metal such as cobalt.
SPIE Defense + Security Conference Preview
February 01, 2008
Articles
23
2
A preview of one of the premier events for the security and defense industries.
Market Profile: Portable Mass Spectrometers
February 01, 2008
Departments
23
2
The concept of portable mass spectrometry has been around for some time, but the realization of such technology has been largely limited until very recently. More than ever before, recent technological advances now make smaller, lighter, and more effective mass spectrometers possible. Such advances will lend themselves to a growing spectrum of applications as well.