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HPLC Helps Asthma Patients Breathe Easier
Very few HPLC methods have been reported for the analysis of salmeterol, its related substances and fluticasone propionate and its related substances respectively. However, no HPLC method has been reported for simultaneous determination of salmeterol xinafoate-fluticasone propionate and their nine related substances in combination inhaler.  ...continue

Polar Investigations
by Luisa Pereira, Thermo Fisher Scientific
Porous graphitic carbon offers many benefits for the analysis of polar compounds.
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Sizing Up Columns
by Peter Rahn, Gareth Friedlander, Phil Koerner, et al., Phenomenex, Inc., Torrance, CA 
Computerized column packing optimizes preparative purification for increased purity, yield and productivity.
 
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Spinach Gets Even Healthier
Spinachby Limian Zhao and Joan Stevens, Agilent Technologies, Inc. 
Researchers analyze pesticide residues in spinach using Agilent SampliQ QuEChERS EN Kit by LC-MS-MS. 
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Expanding Horizons
Expanding Horizonsby Tim Studt
The throughput and speed of ultrahigh performance liquid chromatography systems are creating a proliferation of new products and suppliers.
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Soy Studies, 10x Faster
by Padmaja Prabhu and Wilhad Reuter, PerkinElmer
UHPLC increases throughput and reduces solvent consumption for determining isoflavones in nutraceutical products. 
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HILIC Columns Retains Highly Polar Compounds
Thermo Fisher Scientific Hypersil GOLD HILIC columns, available with 1.9-, 3- and 5-µm particle sizes, are suited for applications within drug discovery, food testing and environmental analysis....continue

Breadboard-Based Components Control Fluid
LabSmith CapTite components control fluid in microfluidic experiments using 1/32"-tubing....continue

Columns Accelerate LC-MS Analysis of Synthetic Oligonucleotides
Phenomenex Clarity Oligo-MS columns are suited for rapid and efficient LC-MS characterization and quality control of synthetic RNA and DNA. ...continue

Columns Analyze Biomolecules
The Waters family of Protein-Pak high-resolution ion-exchange (IEX) columns are suited for analyzing intact biomolecules, including monoclonal antibodies, recombinant proteins, DNA/RNA and vaccine components.  ...continue

Interactive, Digital Product Guide
Phenomenex’s updated 2010-11 product guide is available in print as well as in an interactive digital format. Two product sections have been added for this edition: Chiral LC and supercritical fluid chromatography (SFC).  ...continue

Compact HPLC Column Heater
The EchoTherm HPLC column heater from Torrey Pines Scientific, Model CO20, ranges from room temperature to 90.0 C and is settable to 0.1 C. PID temperature control software regulates temperatures to ±0.1 C.  ...continue

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Chrom Notebook

Searching for Cousteau

Tim Studt, Editor-in-Chief
Tim Studt
Editor in Chief

I often wonder what Jacques Cousteau would say about the state of affairs of the world's oceans. What would he think about the floating islands of plastic garbage in the Pacific twice the size of Texas, or about rapid ocean acidification linked to increasing carbon dioxide levels in the atmosphere, or about changing ocean currents because of melting icecaps and glaciers, or about BP's Deepwater Horizon oil spill in the Gulf of Mexico? ...continue



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