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October 11, 2012
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Chromatography Corner

Breaking Ground in Protein Column Efficiency with Slip Flow Technology
The HPLC 2012 conference was abuzz with talk of "slip flow" following the talk given by Mary Wirth of Purdue University about her groundbreaking work involving protein column efficiency. In this interview, Wirth explains how “slip flow” works and what this discovery can contribute to the application of LC-MS to disease research.
Convert to Hydrogen as a Carrier Gas
The global shortage of helium has caused prices to increase significantly. Many GC users are considering switching to hydrogen as a carrier gas. Hydrogen provides many advantages over helium including, higher resolution, shorter run times, longer column life, and cost savings. Many instrument manufacturers now provide resources to make switching carrier gas easier. This How To Guide will take you through the steps necessary to convert from helium to hydrogen as a carrier gas for Gas Chromatography. Click here.
Featured News

Analysis of the State of the Art: Liquid Chromatography Instrumentation
Experts weigh in on the current state of the art of high performance liquid chromatography (HPLC) instrumentation and how the technology will develop in the future. They discussed the current state of hyphenated techniques, future detection technology, in-line sample prep, gradient elution, the future of UHPLC, the role of CE, and more.
Preparative OBD Columns with Analytical Performance
Scaling an analytical method to preparative column dimensions requires chromatographically equivalent columns. Using the same column chemistries and by matching the analytical and preparative column bed densities, scalability can be assured, eliminating the need for method re-development. In scaling methods, scientists save time and improve efficiency with Waters premium column brands that are fully scalable from analytical to preparative Optimum Bed Density (OBD) columns Learn more.
Helium Crisis or Helium Hype?
John Hinshaw offers his insights into how the current helium shortage will affect gas chromatographers and answers some concerns of LCGC readers selected from the CHROMmunity.
The Essential Guide from LCGC's CHROMacademy presents the definitive guide in translating your GC methods for use with Hydrogen Carrier. In this session, Dr. John Hinshaw (Senior Scientist , BPL Global Ltd) and Tony Taylor (Technical Director, Crawford Scientific) consider the impact of the global issues with Helium supply on Gas Chromatography methods. Learn more
Phenomenex Collaboration Places Focus On Dietary Supplements
Phenomenex (Torrance, California) has announced the formation of a collaboration agreement with ChromaDex (Irvine, California). The agreement will combine the commercial interests of Phenomenex in high-performance liquid chromatography (HPLC) with Chromadex’s commercial expertise in natural reference standards for the analysis of food supplements.
Agilent 1290 Infinity LC with ISET emulates Waters Alliance
The Agilent 1290 Infinity LC with Intelligent System Emulation Technology (ISET) is not only the most powerful but also the most adaptive UHPLC system available – executing any legacy HPLC or latest UHPLC method while delivering the same chromatographic results – all through a single mouse click
UNT Joins Waters Centers of Excellence Innovation Program
Waters (Milford, Massachusetts) has announced the introduction of the University of Northern Texas (Austin, Texas) metabolomics and metabolic signaling pathway research laboratory to its Waters Centers of Excellence Innovation Program.
New Triple Quad GC/MS/MS
With a high-efficiency, proprietary ion source, Shimadzu's GCMS-TQ8030 achieves the highest sensitivity specification in its class for MRM measurements by GC/MS/MS, as well as for scan and SIM measurements by GC/MS. In addition, it delivers industry-leading high-speed performance with a scan speed of 20,000 u/sec and 600 MRM transitions/sec, making it fast enough for MRM/Scan and GC x GC. Learn more.
Featured Products

Webinar: Pesticide Analysis Using Triple Quadrupole GC-MS/MS
Learn about optimization of GC and MS conditions and tools and practices to achieve rugged results in pesticide residue analysis in food. The webinar will also demonstrate the benefits of using backflushing, PTV injection, analyte protectants and internal standards in routine analysis, using examples obtained with the optimized method in USDA Pesticide Data Program labs.Register Now.
Recent discussions on CHROMmunity, a Forum and Networking Site for Chromatographers
UPLC Baseline Issues
Join in the conversation. Free Registration.>>
Upcoming Webcasts

Trace Analysis of Pharmaceutical Pollutants and their Transformation Products in Wastewater
Thursday, October 11, 2012
2:00 PM EDT
This presentation will focus on the applications of liquid chromatography–mass spectrometry on the analysis of pharmaceutical contaminants in the influent and effluent of wastewater treatment systems. It is also intended to provide an overview on the advances in analytical instrumentation for improved detection of trace pharmaceuticals in wastewater, and specific strategies to facilitate identification of unknown contaminants in environmental samples in general.
"Live Lab" Direct Sample Analysis - Webcast Series Part 3
Monday, October 15, 2012
11:00 AM EDT
PerkinElmer’s® “Live Lab” Web series will demonstrate the power of its new AxION® DSA™ (Direct Sample Analysis™) system. This less than 30-minute event includes a brief technology overview with focus on a unique benefit of the DSA. Then visit the “Live Lab” to see the AxION DSA in action, where a sample chosen from a live attendee poll will be run through the system.
Tips and Tricks for Screening Unknown Contaminants in Food: Incorporating High Resolution Mass Spec (HRMS) in a Routine Food Testing Lab
Wednesdsay, October 17, 2012
1:00 PM EDT
This webcast will feature technical speakers from Phenomenex and AB SCIEX discussing tips and tricks for food laboratory scientists and method development chemists looking to establish routine workflows for true unknown contaminant screening in food samples using high resolution mass spectrometry (HRMS). The speakers will discuss sample preparation approaches and HPLC column selection to cover a wide range of compound polarities, solubilities, and molecular weights, while also discussing how high resolution mass spectrometry, and high resolution MS/MS (MRMHR), can be incorporated in a routine testing lab for true unknown screening workflows.
Comprehensive Analysis of Wine - from test to taste
Thursday, October 18, 2012
9:00 AM EDT; 15:00 CEST
This seminar will bring you inside the daily life of a state-of-the-art, high throughput wine analysis lab. You'll get many valuable insigths in the current and future trends for both wine safety and quality. In fact, wine analysis requires the integration of many different techniques: gas and liquid chromatography, spectroscopy and mass spectrometry among others.
Seminar 3: The Growing Relevancy of Sample Preparation in Food and Environmental Monitoring.
Thursday, October 25, 2012
9:00 AM EDT; 15:00 CEST
In this seminar we will review the range of SPP techniques and products available for food and environmental matrices, from generic ‘just enough’ to highly selective application specific workflows. Recent applications on emerging contaminants and matrices will be described for a range of techniques including Solid Phase Extraction (SPE), QuEChERS and Supported Liquid Extraction (SLE).
Upcoming Events

15–19 October
22nd Annual Quality Assurance Conference
Dallas, TX
» Visit the website
21–24 October
4th International Conference on Polyolefin Characterization
Houston, Texas
» Visit the website
30 October–7 November
FoodLytica 2012
New Delhi, India
» Visit the website
7–8 November
Lab Innovations 2012
Birmingham, UK
» Visit the website
13 November–6 December
Protein and Peptide Characterization with LC–MS
» Visit the website
25–30 November
Materials Research Society (MRS) Fall Meeting & Exhibition
Boston, MA
» Visit the website
12–16 January 2013
SLAS2013 2nd Annual Conference & Exhibition
Orlando, FL
» Visit the website