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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.
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.
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