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Topic: Radiation Laboratory


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In the News (Fri 25 Dec 09)

  
  Lawrence Berkeley National Laboratory - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-09)
The Ernest Orlando Lawrence Berkeley National Laboratory (LBNL), formerly the Berkeley Radiation Laboratory (Rad Lab) and usually shortened to Berkeley Lab or LBL, is a U.S. Department of Energy national laboratory in Berkeley, California conducting unclassified scientific research.
After the laboratory was scooped on a number of fundamental discoveries that they felt they ought to have made, the "cyclotroneers" began to collaborate more closely with the theoretical physicists in the Berkeley Department of Physics, led by Robert Oppenheimer.
The laboratory is also the site of the a number of National User Facilities, including the Advanced Light Source, National Center for Electron Microscopy, National Energy Research Scientific Computing Center, the Energy Sciences Network and the future Molecular Foundry.
en.wikipedia.org /wiki/Lawrence_Berkeley_National_Laboratory   (713 words)

  
 Experiment 1
Thermal radiation is the energy emitted by a body as result of its finite temperature.In contrast to heat transfer through convection and conduction, radiation heat transfer does not require a medium and can occur in a vacuum.
Whether thermal radiation is visible, and at what color, is a function of the portion of the radiation that falls within the visible spectrum.
The Pasco TD-8553 radiation sensor produces a voltage output, which is proportional to the intensity of radiation incident upon the sensor.
www.eng.fsu.edu /~alvi/EML4304L/webpage/experiment_1.htm   (1785 words)

  
 Radiation Laboratory - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-09)
The Radiation Laboratory or often RadLab at Massachusetts Institute of Technology was in operation from October 1940 until December 31, 1945.
The Radiation Laboratory was one division of the National Defense Research Committee, a commission established by U.S. President Franklin D. Roosevelt under the leadership of MIT President Karl T. Compton and Dean of Engineering Vannevar Bush.
Lee A. DuBridge was appointed director of the laboratory, later succeded by A.J. Allen.
en.wikipedia.org /wiki/Radiation_Laboratory_at_the_Massachusetts_Institute_of_Technology   (443 words)

  
 Information - Historical Information - Radiation Laboratory   (Site not responding. Last check: 2007-10-09)
The Laboratory is operated by the University of Notre Dame under contract with the U.S. Department of Energy, the Office of Basic Energy Sciences and the Division of Chemical Sciences.
The history of radiation chemistry and the accelerators at Notre Dame is told in some detail in the article "An Overview of Radiation Chemical Research at Notre Dame," by Prof.
This laboratory was merged with the Notre Dame Radiation Laboratory in 1976.
www.rad.nd.edu /information/history.html   (261 words)

  
 Notre Dame Radiation Laboratory (NDRL)-A premier research laboratory in the United States for radiation chemistry   (Site not responding. Last check: 2007-10-09)
The passage of radiation through a medium leaves a track of ions, unbound electrons and radicals, which then react with molecules of the medium to produce the processes studied.
The Notre Dame Radiation Laboratory is extremely well equipped for radiation chemistry and photochemistry, including several facilities that are unmatched elsewhere in the world.
Radiation chemistry, the chemistry of reactions and molecular species produced by exposure to ionizing radiation is the central focus.
www.scitechresources.gov /Results/show_result.php?rec=2331   (290 words)

  
 History of Synchrotron Radiation Sources   (Site not responding. Last check: 2007-10-09)
Interest in the radiation as an energy-loss mechanism was reawakened in the 1920s after physicists began contemplating magnetic-induction electron accelerators (betatrons) as machines to produce intense beams of x rays by directing the accelerated beam to a suitable target.
Fortunately for the future of synchrotron radiation, the machine was not fully shielded and the coating on the doughnut-shaped electron tube was transparent, which allowed a technician to look around the shielding with a large mirror to check for sparking in the tube.
With synchrotron radiation available at wavelengths in the x-ray region down to 0.1 Å, experimenters at DESY were able to carefully check the spectral distribution against Schwinger's theory, as well as begin absorption measurements of metals and alkali halides and of photoemission in aluminum.
xdb.lbl.gov /Section2/Sec_2-2.html   (4050 words)

  
 New director appointed to head Radiation Laboratory - University of Notre Dame : News & Information   (Site not responding. Last check: 2007-10-09)
The Notre Dame Radiation Laboratory is the premier research laboratory in the United States for radiation chemistry -- the study of chemical reactions induced by ionizing radiation.
The passage of radiation through a medium leaves a track of excited states, ions, free electrons and radicals, which then react with molecules in the medium to produce the processes studied in the laboratory.
He joined the Radiation Laboratory in 1976 as a research associate and served as an assistant and associate professional specialist before his promotion to professional specialist in 2001.
newsinfo.nd.edu /content.cfm?topicid=7320   (412 words)

  
 Radiation Control - Environmental Programs; Emergency Preparedness & Response
The department responds to all radiation incidents and emergencies, including unexpected radiation releases from nuclear power plants, transportation accidents, lost or stolen radioactive sources, and contamination of a facility or the environment.
Although generally the radiation dose received from these concentrations is insignificant, the dose can become significant if the concentration increases through mining the ore, if the radionuclides dissolve in drinking water, or if they build up in structures on the deposits.
The department's radiation laboratory in Orlando is the primary state laboratory for the analysis of radionuclides in drinking water.
www.doh.state.fl.us /environment/radiation/envrad1.htm   (573 words)

  
 Low Dose Radiation Research Program
Laboratory that would become known as the Rad Lab and later renamed the Lawrence Berkeley National Laboratory established at the University of California at Berkeley to house Ernest O. Lawerence's newly developed cyclotron.
Radiation Research Society is formed to encourage the advancement of radiation research in all areas of the natural sciences.
Conference on radiation hormesis held in Oakland, California, and concludes that low doses of radiation are beneficial.
lowdose.tricity.wsu.edu /timeline.htm   (4625 words)

  
 Eye Radiation & Environmental Research Laboratory   (Site not responding. Last check: 2007-10-09)
To this day, these data are the bases of radiation exposure guidelines for the NCRP as well as the ICRP, although ongoing work in our laboratory suggests that radiation induced opacities are likely to be stochastic effects of ionizing radiation.
The Eye Radiation Research Laboratory came into existence in 1974 as a physical site when Basil V. Worgul Ph.D. was recruited by George Merriam to undertake studies on the pathomechanism of radiation cataract.
In response to specific unknowns relating to space radiation effects, in recent years the ERERL has been undertaking studies of radiation effects on the central nervous system using a retinal explant neuritogenesis model adapted for such studies by Marcelo Vazquez, M.D., Ph.D. who is currently at Brookhaven National Laboratory.
www.columbia.edu /~bvw1/ererl/introduction.html   (601 words)

  
 Radiation Safety Policy Updates
A number of laboratories remain in a quasi-dormant state during which the usual contamination survey requirements are unnecessary.
To relieve the Authorized User and laboratory personnel from such needless work the Authorized User may request that the laboratory or laboratories under his/her supervision be formally in "Storage Mode", meaning isotopes will be retained in-storage but not used until the laboratory is reinstated to active-use mode.
Radiation Safety retraining can now be done via the Internet all the time, since the restriction limiting it to alternate years has been lifted.
www.cwru.edu /finadmin/does/web/RadSafety/RadPolicy.htm   (851 words)

  
 Free Radical and Radiation Biology Program   (Site not responding. Last check: 2007-10-09)
Established in 1948, the RRL was one of the first laboratories in the United States dedicated to radiobiological research.
Radiation biology refers to the study of the effects of radiation on living things.
Studies on the interaction of radiation with living matter are key to understanding how radiation can be used to investigate normal and altered cell structure and function, and to diagnose and treat various diseases, particularly cancer.
www.medicine.uiowa.edu /frrb/PressReleases/Rrl50press.htm   (269 words)

  
 TJL Mouse RH Panel Introduction
The radiation hybrid assay standard is to do all reactions in duplicate, retype all non concordant results to determine the final correct score for each cell line.
We have updated the framework maps that correlate the genetic data from The Jackson Laboratory Backcross DNA panels with the T31 RH mapping data, and added several new chromosome maps.
Radiation hybrid maps to date have been constructed based on analysis of the radiation hybrid data using minimum break and maximum likelihood algorithms.
www.jax.org /resources/documents/cmdata/rhmap   (8962 words)

  
 Radiation Safety Manual   (Site not responding. Last check: 2007-10-09)
These radiation safety requirements were prepared and approved by the Centers for Disease Control and Prevention (CDC) Radiation Safety Committee with the guidance of the CDC Radiation Safety Officer for CDC laboratory scientists and technical staff who use radioactive material licensed by the Nuclear Regulatory Commission.
Some laboratory exposures to radiation may occur by the inhalation, ingestion, or skin absorption of radioactive material and may result in internal radiation exposures, which are measured by bioassay methods.
One rem is approximately equal to one rad of beta, gamma, or x-ray radiation, or 1/20 of alpha radiation.
www.cdc.gov /od/ohs/manual/radman.htm   (12006 words)

  
 Radiation Safety
All researchers working in a laboratory in which open sources of radioactive materials (i.e., any form that does not meet the definition of sealed sources or plated sources) are used must complete initial and refresher radiation safety training.
Persons who have previous x-ray diffraction experience and related radiation safety training are required to meet with the Radiation Safety Officer for a brief discussion of University x-ray safety requirements.
Completing radiation safety training does not ensure that new and inexperienced workers are competent to use radioactive materials without supervision.
web.princeton.edu /sites/ehs/radiation/training.htm   (593 words)

  
 University of Massachusetts Lowell - Radiation Laboratory
The UMass Lowell Radiation Laboratory provides controlled radiation environments and analytical measurement services to government organizations and to industry.
Although the main focus of the laboratory is to support the research and education missions of the university, use of its facilities by those outside the university is fully welcomed.
Under the direction of Dr. Gunter Kegel, the Radiation Laboratory has been used for pure and applied nuclear physics research, for simulating radiation conditions of hostile space environments, for non-destructive testing and analysis, for research and development of radiation resistant electronics and materials, and for research and development of radiation induced modifications to materials.
www.uml.edu /Dept/Physics/Rsc/RL   (157 words)

  
 NIST: Synchrotron UV Radiation Facility SURF III - Home page
The Synchrotron Ultraviolet Radiation Facility is operated by the Electron and Optical Physics Division of the Physics Laboratory of the National Institute of Standards and Technology.
SURF III is a stable source of synchrotron radiation from the infrared to the soft x-ray spectral regions.
At beamline 5 we are working on the implementation of a UV Fourier Transform Spectrometer aimed at the determination of optical properties at 157 nm and the calibration of emission sources in the UV.
physics.nist.gov /MajResFac/SURF/SURF   (262 words)

  
 National Synchrotron Radiation Laboratory
The National Synchrotron Radiation Laboratory (NSRL) is the first dedicated synchrotron radiation facility in China, located in the west campus of the University of Science and Technology of China (USTC), Hefei city, Anhui Province.
The synchrotron radiation facility, the Hefei Light Source (HLS), is mainly composed of an 800 MeV electron storage ring and a 200 MeV Linac functioning as its injector.
Among them the XAFS beamline and experimental station are newly completed and open for users by using the wiggler radiation.
www.lightsources.org /cms?pid=1000157   (133 words)

  
 NASA - NASA's Space Radiation Laboratory
Long before their journey, researchers on Earth conducted experiments to accurately measure the hazards of space radiation and developed new materials and countermeasures to protect them.
Space radiation produced by the Sun and other galactic sources is more dangerous and hundreds of times more intense than radiation sources, such as medical X-rays or normal cosmic radiation usually experienced on Earth.
"Advances in radiation detection, shielding and other radiation-mitigation techniques may be applied to workers in space and on Earth and may lead to improved use of radiation to treat disease on Earth and prevent radiation-induced illnesses," Fogleman said.
www.nasa.gov /audience/forstudents/postsecondary/features/F_Space_Radiation_Laboratory.html   (582 words)

  
 Stanford Synchrotron Radiation Laboratory
SSRL, the first user facility in the U.S., has provided synchrotron radiation to the scientific community for over 30 years.
The SPEAR accelerator was upgraded in 2004 to a 3-GeV, 500-mA capable, 3rd-generation high-brightness storage ring.
The LCLS project is funded by the U.S. DOE and is a collaboration of six national laboratories and universities.
www.lightsources.org /cms?pid=1000097   (244 words)

  
 BNL/NASA Radiobiology Program   (Site not responding. Last check: 2007-10-09)
With the closing of the BEVALAC, the Brookhaven National Laboratory (BNL) Alternating Gradient Synchrotron (AGS) is the only accelerator in the United States capable of providing heavy ion beams at energies of interest for space radiobiology.
The NASA Space Radiation Laboratory (NSRL), a $34-million facility, jointly managed during a four-year construction project by the DOE’s Office of Science and NASA’s Johnson Space Center, is one of the few places in the world that can simulate the harsh cosmic and solar radiation environment found in space.
One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security.
www.bnl.gov /medical/NASA/LTSF.asp   (666 words)

  
 Historical Photographs: Lawrence Berkeley Laboratory
Such counters were used in human radiation tracer studies and for measuring AEC worker radiation exposure.
The camera was a diagnostic tool developed at Donner Laboratory, Berkeley, to photograph radioactive tracer concentrations.
Early use of a Geiger-Müller counter to test thyroid function at Lawrence Radiation Laboratory.
www.eh.doe.gov /ohre/multimedia/photos/lbl   (150 words)

  
 Synchrotron Radiation Source, Daresbury Laboratory
The Daresbury Synchrotron Radiation Source (SRS) is a world class facility dedicated to the exploitation of Synchrotron Radiation (SR) for fundamental and applied research.
The SRS is a 2GeV electron storage ring, operated solely for the provision of synchrotron radiation (synchrotron light) for multiple simultaneous user experiments.
Each is optimised for a particular spectral range segment, exploiting radiation from an SRS dipole or an insertion device, and in most cases, is used for a variety of scientific and technological applications.
www.srs.ac.uk /srs   (241 words)

  
 [No title]
The storage ring for the Beijing Synchrotron Radiation Facility(BSRF) is the 1.6-2.8 GeV Beijing Electron-Positron Collider(BEPC), which was constructed for China's first project on high energy physics research.
The storage ring was designed to be operating either in the colliding mode or in the dedicated synchrotron radiation mode.
The Beijing Synchrotron Radiation laboratory(BSRL) was founded in July of 1985, and the construction of the first beam line was completedin 1989.
www.friends-partners.org /oldfriends/china/ins/ihep/bsrf/bsrf.html   (631 words)

  
 UO Solar Radiation Monitoring Laboratory
View or download sets of solar radiation data, and learn about the data and the instruments used to gather them.
Visit the locations where we collect solar radiation data, and find out what types of data are available.
Read or download scientific papers about solar radiation, and other documents and newsletters about solar energy.
solardat.uoregon.edu   (115 words)

  
 NASA SPACE RADIATION SUMMER SCHOOL
The NASA Space Radiation Summer School at the U.S. Department of Energy's Brookhaven National Laboratory was designed to provide a “pipeline” of researchers to tackle the challenges of harmful radiation exposure to humans who will travel on space exploration missions.
Co-sponsored by NASA's Space Radiation Health Project, Brookhaven National Laboratory, Loma Linda University Medical Center, and Universities Space Research Association, the three-week course was piloted in 2004 and offered in 2005 at the Brookhaven National Laboratory (BNL) on Long Island, New York.
The course is taught by experienced researchers who have performed experiments at the NASA Space Radiation Laboratory located at the Brookhaven facility in Upton, New York.
www.dsls.usra.edu /spacerad   (149 words)

  
 BNL/NASA Radiobiology Program
Since astronauts are spending more time in space, they are receiving more exposure to ionizing radiation, a stream of particles that, when passing through a body, has enough energy to cause the atoms and molecules within that substance to become an ion.
Although the spacecraft itself somewhat reduces radiation exposure, it does not completely shield astronauts from galactic cosmic rays, which are highly energetic heavy ions, or from solar particles, which primarily are energetic protons.
In increasing knowledge of the effects of cosmic radiation, NSRL studies may expand the understanding of the link between ionizing radiation and aging or neuro-degeneration, as well as cancer.
www.bnl.gov /medical/NASA/NSRL_description.asp   (629 words)

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