LCGC North America, Mar 1, 2009 - Chromatography Online
LCGC North America, Mar 1, 2009
Column Watch
New Chromatography Columns and Accessories at Pittcon 2009: Part I
By Ronald E. Majors
Ron Majors brings readers his yearly review of all that was new and innovative at the annual Pittsburgh Conference.
3
Calibration Curves, Part I: To b or Not to b?
By John W. Dolan
This month's "LC Troubleshooting" looks at some different calibration models, how to decide if a calibration curve goes through zero, and some problems that can occur if the wrong choices are made.
GC Connections
Pinning Down Tailing Peaks
By John V. Hinshaw
The causes and cures for peak tailing are discussed, along with the various ways that chromatographers measure tailing peaks.
Directions in Discovery
Electrostatic Repulsion Hydrophilic Interaction Chromatography
By Tim Wehr
ERLIC is a new technique that shows promise as an alternative or complementary technique for both enrichment and separation of these posttranslationally-modified peptides.
News
Separation, Identification, and Quantitation of Water-Soluble Vitamins by HPLC
By Karyn M. Usher , Anna Glinko , Michael J. Bozym , Michelle L. Owens
The authors set out to perform a separation of seven water-soluble vitamins without the use of ion-pair reagents.
Market Profile
Market Profile: Laboratory Information Management Systems
With accountability and regulatory compliance being such a large part of the modern laboratory, the necessity for a laboratory information management system (LIMS) cannot be understated.
Peaks of Interest
LCGC & EARL Present CHROMacademy
CGC (Chromatographyonline.com) has developed a pilot program with EARL (EARL2learn.com), the most extensive online library of interactive web-based learning material for analytical chemistry.
New Chairman of the Board for Varian
Varian, Inc. (Palo Alto, California) announced that its board of directors has elected Garry W. Rogerson, the company?s president and chief executive officer, as chairman of the board.
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Calendar
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LCGC COLUMNISTS 2014

Column Watch | Ronald E. Majors: Ron Majors, established authority on new column technologies, keeps readers up-to-date with new sample preparation trends in all branches of chromatography and reviews developments. LATEST: Standardized Testing of Silica as a Base Material for Difficult Bonded-Phase Preparative Applications


Perspectives in Modern HPLC: Michael W. Dong is a senior scientist in Small Molecule Drug Discovery at Genentech in South San Francisco, California. He is responsible for new technologies, automation, and supporting late-stage research projects in small molecule analytical chemistry and QC of small molecule pharmaceutical sciences. LATEST: Seven Common Faux Pas in Modern HPLC


MS — The Practical Art: Kate Yu brings her expertise in the field of mass spectrometry and hyphenated techniques to the pages of LCGC. In this column she examines the mass spectrometric side of coupled liquid and gas-phase systems. Troubleshooting-style articles provide readers with invaluable advice for getting the most from their mass spectrometers. LATEST: Radical Mass Spectrometry as a New Frontier for Bioanalysis


LC Troubleshooting: LC Troubleshooting sets about making HPLC methods easier to master. By covering the basics of liquid chromatography separations and instrumentation, John Dolan is able to highlight common problems and provide remedies for them. LATEST: How Much Retention Time Variation Is Normal?


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