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Thermo Fisher Scientific Extends LTQ Orbitrap Mass Spectrometry Performance in Proteomics with ETD and MALDI Capabilities

NEW ORLEANS (March 3, 2008) – Thermo Fisher Scientific Inc., the world leader in serving science, today announced that its award-winning Thermo Scientific LTQ Orbitrap^® hybrid series of mass spectrometers are now available with electron transfer dissociation (ETD) and matrix-assisted laser desorption/ionization (MALDI) capabilities. The LTQ Orbitrap XL ETD is the only ETD instrument with both high resolution and accurate mass, enabling definitive protein characterization during mass spectrometry (MS). The new MALDI LTQ Orbitrap series simplifies the analysis of whole tissue, biological and polymer samples by eliminating sample preparation. The new LTQ Orbitrap capabilities will be showcased at the Thermo Scientific booth 1741 at PITTCON 2008, being held March 3 – 6 in New Orleans.

Thermo Scientific ETD technology enables highly sensitive post-translational modification analyses. Combined with the power of the LTQ Orbitrap XL, ETD completes the most advanced proteomics platform available by offering three complementary fragmentation techniques in one instrument. It can be used for definitive protein/peptide characterization, post-translational modification (PTM) analysis (especially phosphorylation) and top-down or middle-down sequencing of proteins and peptides.

“Introduction of ETD on an LTQ Orbitrap is a landmark event in the field of proteomics,” said renowned proteomics researcher Steven P. Gygi, PhD. “ETD is what is next for mainstream and cutting-edge proteomics applications. Its usefulness is so broad that I can't imagine a research or core mass spectrometry lab without this new system in the future.”

The new MALDI source, available on the LTQ Orbitrap XL and Discovery, is ideally suited for proteomic and metabolism applications. For the first time, resolutions of greater than 50,000 FWHM and mass accuracies of 1-2 ppm are routinely available for MS, MS/MS and even MSⁿ data. Using the high-resolving power and outstanding mass accuracy of the LTQ Orbitrap, researchers can now perform peptide and protein identification of MALDI-produced ions. Other important applications include the high-throughput analysis of in-gel digests of 2D gel spots, de novo sequencing, iTRAQ&trade quantitation*, tissue imaging and small molecule analysis.

“The addition of these two key capabilities to the premier Thermo Scientific Orbitrap technology platform is a significant advancement for the world of proteomics and metabolomics,” said Dr. Ian Jardine, vice president of global research and development for Thermo Fisher Scientific. “Thermo Fisher is dedicated to developing innovations for its customers that embrace the most sophisticated analytical technologies available for their applications. This is clearly demonstrated with the introduction of the most comprehensive proteomics platform available on the market.”

For more information on the new capabilities available on the Thermo Scientific LTQ Orbitrap hybrid mass spectrometer, please visit booth 1741 at PITTCON 2008. Alternatively, please email analyze@thermofisher.com, call +1 800-532-4752 or visit www.thermo.com/orbitrap.

* iTRAQ is a trademark of Applera Corporation.

Thermo Scientific is part of Thermo Fisher Scientific, the world leader in serving science.

About Thermo Fisher Scientific

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science, enabling our customers to make the world healthier, cleaner and safer. With annual revenues of $10 billion, we have more than 30,000 employees and serve over 350,000 customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as environmental and industrial process control settings. Serving customers through two premier brands, Thermo Scientific and Fisher Scientific, we help solve analytical challenges from routine testing to complex research and discovery. Thermo Scientific offers customers a complete range of high-end analytical instruments as well as laboratory equipment, software, services, consumables and reagents to enable integrated laboratory workflow solutions. Fisher Scientific provides a complete portfolio of laboratory equipment, chemicals, supplies and services used in healthcare, scientific research, safety and education. Together, we offer the most convenient purchasing options to customers and continuously advance our technologies to accelerate the pace of scientific discovery, enhance value for customers and fuel growth for shareholders and employees alike. Visit www.thermofisher.com.

For further press information please contact: Laura Browne, The Scott Partnership, 1 Whiteside, Station Road, Holmes Chapel, Cheshire. CW4 8AA United Kingdom Tel: +44 1477 539539 Fax: +44 1606 1477 539540 Email: thermo@scottpr.com

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