SLAC Today is
available online at:
http://today.slac.stanford.edu
In this issue:
Brains in the Beamline
Martin Perl Talks Science with Young Musicians
Meet Your ES&H Coordinator: Behzad Bozorg-Chami
Thursday - May 8, 2008 |
Brains in the BeamlineFrom X-rays to MRIs, advances in physics have been instrumental in improving human health. A new imaging technique developed at SLAC by Senior Staff Scientist Uwe Bergmann and his team may represent the next big advance for biological imaging. The method is currently being used to study neurodegenerative diseases, but may soon be applied to answer all kinds of medical questions. The new method, called biological rapid scanning or X-ray fluorescence (XRF) imaging, uses the intense X-rays generated at the Stanford Synchrotron Radiation Laboratory (SSRL) to reveal the identities of trace elements in a scanned sample. The new technique is an advance over earlier microprobe X-ray analysis because it's very fast, scanning in one hour what used to take nearly 12 days to scan. "Biological rapid scanning is complementary to other imaging techniques and should be used with other techniques," Bergmann said. XRF imaging provides lower resolution than microprobe analysis, he said, but its speed makes it practical for the first time large samples—such as the human brain—are scanned. Read more... |
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Martin Perl
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Meet Your ES&H Coordinator: Behzad Bozorg-ChamiEnvironment, Safety and Health (ES&H) Coordinator Behzad Bozorg-Chami works to ensure safety within the Photon Science and Stanford Synchrotron Radiation Laboratory (SSRL) Directorates. This large-scale domain includes the Photon Ultrafast Laser Science and Engineering (PULSE) project and the Stanford Institute for Material and Energy Sciences (SIMES), formerly the X-ray Laboratory for Advanced Materials (XLAM). "We have users from all around the world," he said. "Part of what I do involves making sure they return home in the same condition that they came to SLAC." Bozorg-Chami, who has been with SLAC for a year and a half, brings a decade's worth of experience to his position. He has a Bachelor's degree in Environmental Toxicology with a concentration in Physiology, and a Master's in Environmental Management. All ES&H directorate coordinators provide education, support and resources by clarifying safety concerns related to requirements and training and other safety-related information, as well as overseeing implementation of ES&H program guidelines. Individuals working within Photon Science and SSRL with questions and comments can contact Bozorg-Chami at x3872. |
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