December 2010

LCGC North America e-Separation Solutions
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December 2010

Chromatography Corner

Capillary Electrophoresis
Capillary electrophoresis (CE) is a rapidly growing technique that provides a number of advantages for analysts, including high separation efficiency, short analysis times, low waste generation, and a diverse range of applications. Joining us for a discussion on CE this month is Kevin Altria of GlaxoSmithKline Research & Development.
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New XSelect Prep Columns. New Chemistries. Higher loading. The new Charged Surface Hybrid (CSH) prep columns offer the greatest benefits to purification scientists including fast screening using ACQUITY UPLC CSH columns that can be directly scaled to XSelect Prep Columns. These preparative columns, offered in Optimum Bed Density Technology (OBD), will provide:

high loadability of bases using simple low or high pH mobile phases

long, predictable column lifetimes

widest selectivity range in CSH C18, CSH Fluoro-Phenyl, CSH Phenyl-Hexyl stationary phases

Find out more.

Featured Articles

Evaluation of QuECheRS, Cartridge SPE Cleanup, and Gas Chromatography Time-of-Flight Mass Spectrometry for the Analysis of Pesticides in Dietary Supplements
The authors evaluate a method for detecting pesticide residues in dandelion root powder.
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Evolution of Chromatography: One Scientist's 51-Year Journey
Industry veteran Thomas Beesley takes readers on a tour of his experiences in chromatography.
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Fast and easy GC pressure and flow calculations…anywhere, anytime

Agilent has created the first-of-its-kind gas chromatography app for the iPhone and iPod touch. The GC pressure and flow calculator app can instantly and accurately determine pressures and flows through open tubular capillary columns. The app is based on the popular PC version that has been downloaded more than 10,000 times from the Agilent website.

To learn more and download: www.agilent.com/chem/gcapp

Application Note

Complementary Selectivities of Kinetex® Core-Shell Phases: C18, XB-C18, C8 and PFP
Effect of Temperature on Elution Order in GC When analyzing via GC, the desired separation can sometimes be achieved by changing the oven program. This technique takes two properties into account: a compound's boiling point and its ability to interact with the stationary phase.

Read more...

Polyphenol Analyzer for F&B

With the introduction of a new dedicated Polyphenol Analyzer by Antec, sensitive analysis of polyphenols at low costs in Food & Beverage Industry has become possible in routine.

www.myantec.com

Featured Products
New Waters SFC Application Notebook Waters has a complete line of SFC solutions for your laboratory. Our SFC offering can improve your laboratory's analytical, method development, and purification needs. Download the SFC application notebook.


Immobilized Chiral Stationary Phases Offer Remarkable Stability Chiral Technologies' immobilized CSP and columns offer extended durability, high selectivity and can be used with an expanded range of solvents for the most challenging chiral separations. Columns are available in various sizes from analytical to preparative. http://immobilizedchiralcolumns.com/

LabAutomation2011

LabAutomation2011 takes place January 29¬-February 2, 2011, in Palm Springs, CA, USA. It is the premier conference and exhibition focused exclusively on laboratory automation. LabAutomation2011 features world-class scientific podium presentations, outstanding plenary speakers, excellent short courses, a thriving exhibit floor showcasing more than 250 multinational companies and numerous networking opportunities. For details and to register, visit www.SLAS.org/LA11



Market Profile

Gas Chromatography In gas chromatography, the sample vapor passes through the column and separates into its components — a separation that is governed by the distribution between the mobile and stationary phase. More...

By Industry, For Industry

Advanced Analytical Separation Science Techniques to Achieve Higher Throughput and Leverage Efficiencies February 16-17, 2011 Philadelphia, PA
The field of chromatography and separation sciences is rapidly progressing, and bio/pharmaceutical manufacturers need to stay current on advancing technologies and solutions that ultimately lead to higher throughput, accuracy and lower costs. PharmSep 2011 promises to assemble chromatography experts, industry users and instrumentation vendors in a interactive setting to learn practical applications and best practices for implementable solutions . www.ivtevents.com/pharmsep


Ask LCGC

Degassing Mobile Phase Solvents Q: Are in-line degassers on modern instruments (Waters and Agilent) sufficient to degas HPLC solvents for on-line mixing of gas saturated organic and aqueous solvents? What about the personal observation of the effect of pre-degassing mobile phase components? Are reproducible data available on the rate of resaturation of air into common HPLC solvents? A: Your comments are interesting. There are at least two issues with degassing that are of concern. One is to reduce the air content of the mobile phase sufficiently so that bubbles (outgassing) do not form in the pump and cause pumping problems. The second is to remove dissolved oxygen from the mobile phase More...
LCGC answers your technical questions each month. Please submit your questions here. We look forward to hearing from you.

Featured Webcasts & Podcasts

Increase LC–MS Throughput and Improve ROI for Biological Samples— On Demand
A case study based on this strategy is presented as a tool to analyze 45 drugs of abuse in performance horses.
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LC and LC–MS in the Pharmaceutical Industry: Small Molecule Quantitative Analysis and Matrix Effects— On Demand
Dr. Kevin A. Schug, Assistant Professor at the University of Texas at Arlington discusses fundamental and applied studies of LC and LC-MS for trace quantitative analysis of small molecules and metabolites.
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Supercritical Fluid Chromatography in Theory and Practice
In this podcast series, we discuss how users can benefit from supercritical fluid chromatography (SFC) in their laboratories.
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Optimizing Chromatographic Conditions for Protein Analysis with the ACQUITY UPLC H-Class Bio System
Biopharmaceutical proteins are large, complicated molecules and demand multiple modes of analysis to ensure complete characterization of the sample.
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CHROMmunity
A service by LCGC and CHROMacademy

Forum and Networking site for Chromatographers.

Forums:	A Problem in HPLC Sugar Standard Calibration Curve
	Unusually broad, flat-topped LC–MS peaks
	Trouble with heartcutting techniques
Blogs:	Experiences teaching chromatography in Africa.
	Kevin Schug blogs about analytical chemistry at SETAC NA 2010.

Join in the Big Chromatography Conversation. Free Registration.»

Upcoming Events

8–11 December 2010
EMEC11 — 11th European Meeting on Environmental Chemistry
Portoroz, Slovenia.

» Visit the website

15–20 December 2010
Pacifichem 2010- The Int. Chemical Congress of Pacific Basin Societies
Honolulu, HI.
» Visit the website

9–12 January 2011
WCBP 2011: 15th Symposium on the Interface of Regulatory and
Analytical Sciences for Biotechnology Health Products
Washington, D.C.
» Visit the website

10–14 January 2011
ACS National Meeting & Exposition Anaheim
CA.
» Visit the website

19–21 January 2011
NCSE’s 11th National Conference on Science, Policy, and the Environment: Our Changing Oceans
Washington, D.C.
» Visit the website

19–21 January 2011
IFPAC 2011: 25th International Forum Process Analytical Technology
Baltimore, MD.
» Visit the website

29 January–2 February 2011
LabAutomation2011
Palm Springs, CA.
» Visit the website

30 January–4 February 2011
European Winter Conference on Plasma Spectrochemistry
Zaragoza, Spain.
» Visit the website

13–18 March 2011
Pittcon 2011: The Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy
Atlanta, GA.
» Visit the website

29–31 March 2011
INTERPHEX 2011
New York, NY.
» Visit the website

5–9 June 2011
59th American Society for Mass Spectrometry (ASMS) Conference on Mass Spectrometry
Denver, CO.
» Visit the website

19–23 June 2011
36th International Symposium on High Performance Liquid Phase Separations and Related Techniques (HPLC 2011)
Budapest, Hungary.
» Visit the website

10–13 July 2011
PREP 2011—24th International Symposium
Boston, MA.
» Visit the website

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