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Thermo Fisher Scientific Inc.. (8/15/08). "Press Release: Princeton University Selects Thermo Scientific MALDI LTQ Orbitrap Mass Spectrometer to Enable Proteomics and Genomics Research on Viruses". San José, CA.

Region Region Princeton, NJ
  Country United States (USA)
Organisations Organisation Princeton University, Dept. of Molecular Biology
  Group Princeton University
  Organisation 2 Thermo Fisher Scientific Inc., San Jose
  Group Thermo Fisher (Group)
Products Product MALDI LTQ Orbitrap XL mass spectrometer
  Product 2 MALDI technology
Index term Index term Princeton Univ–Thermo Fisher: mass spectrometer, 200808 supply MALDI LTQ Orbitrap XL lab of Ileana Cristea
Person Person Cristea, Ileana M. (Princeton Univ 200808 Dept of Molecular Biology)

Thermo Fisher Scientific Inc., the world leader in serving science, today announced that Princeton University is utilizing the newly launched MALDI LTQ Orbitrap XL mass spectrometer for research on virus-host protein interactions in the laboratory of Ileana Cristea, Ph.D. Dr. Cristea's cutting-edge work on chromatin and its modulation by viruses promises to further scientists' understanding about how viruses manipulate their host to their advantage. The laboratory employs a multidisciplinary approach, incorporating methodologies from modern proteomics, biochemistry, molecular biology and virology. The research, while preliminary, holds implications for improved therapies for the treatment of viral infections, from the common cold to HIV.

Because the samples required for the studies are difficult to obtain and the elements of interest are frequently present at very low levels, Dr. Cristea began exploring the benefits of combining MALDI with state-of-the-art mass spectrometry (MS) instrumentation. Interested in novel MS developments, she believed there would be significant benefit with the integration of the Thermo Scientific LTQ Orbitrap with a MALDI interface.

"I am quite impressed that I have in my laboratory the first configuration of its kind in the MALDI LTQ Orbitrap XL," said Dr. Cristea, Assistant Professor with Princeton University's Department of Molecular Biology. "Its performance has already proven to be terrific. This instrument combines the robustness and high throughput capabilities of MALDI with the sensitivity of the linear trap and the high mass accuracy and resolution of the Orbitrap. The MALDI LTQ Orbitrap XL is perfectly suited for characterizing protein complexes. After the initial MS and MS/MS analyses and identifications, the samples can be preserved on the MALDI target to pursue new interesting directions revealed by the first analyses."

The MALDI option is available for both the LTQ Orbitrap Discovery and LTQ Orbitrap XL platforms. The addition of the new MALDI source on the LTQ Orbitrap is suited for proteomics and metabolism applications, making it easier to analyze biological and polymer samples without extensive sample preparation. Other applications include high-throughput in-gel digest, de novo sequencing, quantitation based on isobaric labeling strategies (TMT Tags, iTRAQ), tissue imaging and small molecule analysis.

For more information on the new Thermo Scientific MALDI LTQ Orbitrap mass spectrometer, please call +1 800-532-4752, email or visit

Record changed: 2016-03-19


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