COLUMNS
COLUMN WATCH
Stationary Phases for Modern Thin-Layer Chromatography
Fred Rabel and Joseph Sherma
Advantages of the planar, off-line format of TLC relative to on-line column HPLC, the steps in TLC analyses, and future prospects of TLC are discussed.
LC TROUBLESHOOTING
When Should an Internal Standard Be Used?
John W. Dolan
Will an internal standard always improve data quality?
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MS – THE PRACTICAL ART
New Frontiers for Mass Spectrometry in Lipidomics, Part II
Giuseppe Astarita
Mass spectrometry analysis of lipids in complex matrices is revolutionizing the way lipid research is conducted.
INNOVATIONS IN HPLC
The Spectro–Electro Array: A Novel Approach for the Measurement of Secondary Metabolites in Botanicals, Supplements, and Beverages
P.A. Ullucci, B.A. Bailey, D.H. Thomas, and I.N. Acworth
HPLC with diode-array and electrochemical-array detection overcomes sensitivity and specificity limitations in natural products analysis.
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EDITORS' SERIES - A Roadmap for Rapid HPLC Method Development: A Practical Three-Pronged Approach
Live Webcast: Tuesday, June 26, 2012 at 11:00 am EDT
Register Free at  http://www.chromatographyonline.com/rapid |
THE ESSENTIALS
Performance Characteristics Measured in Method Validation
Analytical method validation is the process of demonstrating that a method does what it is intended to do.
ARTICLES
Capillary Electrophoresis–Mass Spectrometry for the Analysis of Biopharmaceuticals
Rob Haselberg, Gerhardus J. de Jong, and Govert W. Somsen
CE–MS using noncovalent coated capillaries provides advantages for purity and stability analysis of biopharmaceutical.
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EDITORS' SERIES: Optimizing GC Methods for Speed: More than Just Columns
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High-Pressure IC for Increased Resolution in Beverage Analysis
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A New Class of Photoresponsive Polymers that Undergo Controlled and Complete Polymer Chain Scission Upon Irradiation at 300nm
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The Chemistry of Solid Phase Extraction
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