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Research Highlights

Twin Otter aircraft in RACORO campaign with cloud probe
Full Story | June 2016

Digging into Clouds from the Bottom Up
Researchers created new code commands to compute the cloud droplet number concentration using existing surface measurements

Scientists at PNNL got creative with the data they already have to calculate a cloud property normally acquired by research aircraft flying through it. What is this valuable measurement they seek? The cloud droplet number concentration provides insight into how reflective and long-lasting a cloud is, to understand the amount of sunlight energy that hits Earth's surface.


Pathway analysis associated with patient survival
Full Story | June 2016

A Painstaking Proteogenomic Look at the Inner Workings of Tumors
Ovarian cancer study focuses on proteins, cancer biology’s key molecular players

In what is believed to be the largest study of its kind, scientists at PNNL, Johns Hopkins University, and collaborators from institutions across the nation have examined the collections of proteins in the tumors of 169 ovarian cancer patients to identify critical proteins present in their tumors. The investigators report the potential for new insights into the progress of the most malignant form of the disease.

Model of metal organic framework
Full Story | June 2016

New Material Has Potential to Cut Costs and Make Nuclear Fuel Recycling Cleaner
Computer modeling helps pinpoint best material out of a hundred thousand options

Researchers are investigating a new material that might help in nuclear fuel recycling and waste reduction by capturing certain gases released during reprocessing. Conventional technologies to remove these radioactive gases operate at extremely low, energy-intensive temperatures. By working at ambient temperature, the new material has the potential to save energy, make reprocessing cleaner and less expensive. The reclaimed materials can also be reused commercially. Appearing in Nature Communications, the work is a collaboration between experimentalists and computer modelers exploring the characteristics of materials known as metal-organic frameworks.


Fission
Full Story | April 2016

A Slow Separation
Novel model illustrates the finer details of nuclear fission

In the first study of its kind, scientists collaborating from the University of Washington, Warsaw University of Technology, Los Alamos National Laboratory and PNNL developed a novel model seeking a more intricate look at what happens during the final stages of the nuclear fission process. Using the model, they determined that fission fragments remain connected far longer than expected before the daughter nuclei split apart, delivering a long-awaited description of real-time fission dynamics within a microscopic framework and opening a pathway to a theoretical method with abundant predictive power. Notably, in addition to its publication, the paper was highlighted as an Editors’ Suggestion by Physical Review Letters.

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