Sentences with phrase «radionuclides in»
Radionuclides in seawater have been reported from the Fukushima plant's discharge canals, from coastal waters five to ten kilometers south of the plant, and from 30 kilometers offshore.»
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Ken Buesseler, a chemical oceanographer at the Woods Hole Oceanographic Institution, and Henrieta Dulaiova, chemical oceanographer at University of Hawaii have each been awarded a grant from the National Science Foundation's (NSF) Division of Ocean Sciences to study the issue further, looking in to concentrations of radionuclides in both the Atlantic and Pacific oceans.
Those assertions are false and the concerns largely unfounded, scientists and government officials said last week, because Fukushima radionuclides in ocean water and marine life are at trace levels and declining — so low that they are trivial compared with what already exists in nature.
«Recently, the deposition rates have been boosted by the resuspension of radionuclides in deposited particles, the 239,240 Pu content of which may originate from dusts from the East Asian continent deserts and arid areas.
Kovaltsov, G. A. & Usoskin, I. G. Occurrence probability of large solar energetic particle events: assessment from data on cosmogenic radionuclides in lunar rocks.
A new option is to continuously flow groundwater through the column until a balance or equilibrium is reached between the radionuclides in the sample and on the beads.
Typically, a small amount of groundwater is pumped through the packed bed and the quantity of the radionuclides in the column is measured.
Pearce, who came to the Laboratory in 2009, is investigating how minerals and microbes affect technetium and other radionuclides in the soil at a former plutonium production site in southeastern Washington State.
Burnett's research focuses on the measurement and description of both natural (uranium / thorium decay series) and artificial radionuclides in the environment.
Successful absorption of the radionuclides in these targeted areas was clearly seen in tandem with optical images of surface anatomy.
But bacteria seem to like using ISA as a carbon source and degrade it, keeping radionuclides in solid form — which means they stay in place.
«But there are huge amounts of radionuclides in these tanks and the water may have to be stored for a long time to come.
«So the contamination of long - lived radionuclides in different organisms in the local marine food webs needs to be monitored continually.»
Notice the similar uptake of the radionuclide in the normal thyroid lobes and salivary glands.
Not exact matches
Radionuclide levels in fish off Fukushima are highly variable but remain elevated, indicating a continuing source of radiation.
«Determining the specific impact of intrinsic colloid formation by radioactive elements can aid in the development of migration models predicting radionuclide transport on a field - scale,» says Prof. Weisbrod.
«This study showed that intrinsic colloids formed by interactions between soluble Cerium (Ce) and carbonates significantly increase the mobility of Ce injected into a carbonate rock fracture,» explains BGU Zuckerberg Institute for Water Research Director Prof. Noam Weisbrod, Ph.D. «The formation of intrinsic colloids, if not accounted for, could result in the under prediction of radionuclide migration through fractures in fine - grained carbonate bedrock, such as chalk.»
This is a time of unparalleled opportunities in areas as diverse as radionuclide biology, computer science, and computational and cognitive neuroscience.
In its comments, the EPA pointed out that New York's current permitting system for water treatment plants doesn't include limits on pollutants frequently contained in drilling wastewater, such as radionuclides, which can cause cancer at high levelIn its comments, the EPA pointed out that New York's current permitting system for water treatment plants doesn't include limits on pollutants frequently contained in drilling wastewater, such as radionuclides, which can cause cancer at high levelin drilling wastewater, such as radionuclides, which can cause cancer at high levels.
The study established that it is possible to combine the stress and rest MPI scans, but this requires the use of accurate scattering compensation methods in order to compensate for the cross-scattering of different radionuclides.
«The radionuclide ratios we measured in the sediments and the rates of decay and growth of radioactive elements in the impacted sediments allowed us to essentially age - date the contamination to after 2011,» she explained.
«Any potential [spike] would have both the radionuclide record as well as the SCP one — as well as a few invasive species, bits of microplastic and stable carbon isotopes,» explains geologist Jan Zalasiewicz of the University of Leicester in England and chairman of the working group that is evaluating whether or not to add the Anthropocene to the geologic timescale.
Other proposals include the radionuclide spike in the wake of the first atom bomb explosion in 1945 to a dip in CO2 levels around 1610 occasioned by the mass deaths that followed European arrival in North and South America a century or so earlier.
Some 80 % of all the radionuclides released from Fukushima ended up in the Pacific.
The potential for harm is huge, says Jota Kanda, an oceanographer at the Tokyo University of Marine Science and Technology who monitors radionuclide distribution in sediments and biota off Fukushima.
To track changes in coastal waters and predict when seafood species in the region may be safe to consume, it will be necessary to establish a «temporal data set» — that is, to measure the levels and distributions of contaminant radionuclides at a given location over time, he says.
In particular, these include adequate pain therapy, treatment with bisphosphonates and / or radionuclides.
Overall, the tanks hold every element in the periodic table, including half a ton of plutonium, various uranium isotopes and at least 44 other radionuclides — containing a total of about 176 million curies of radioactivity.
Two weeks later, a radionuclide monitoring station in Yellowknife, Canada, detected increases in radioactive xenon, which presumably had leaked out of the underground test site and drifted eastward.
The level of radionuclides leaking from Fukushima Daiichi has been unclear, but the CTBT air samplers can shed some light, says Gerhard Wotawa of Austria's Central Institute for Meteorology and Geodynamics in Vienna.
Among them: sizing up North Korea's nuclear tests, plotting the spread of radionuclides from the Fukushima nuclear accident, and tracking the spectacular Chelyabinsk meteorite as it broke up over Siberia in 2013.
But, with the exception of bottom - feeding fish and sessile (immobile) filter feeders caught in the immediate vicinity, any radionuclides from Fukushima have been diluted by the vastness of the Pacific to insignificant quantities.
But «this new and unanticipated pathway for the storage and release of radionuclides to the ocean should be taken into account in the management of coastal areas where nuclear power plants are situated.»
This method, known as targeted radionuclide therapy, or TRT, involves the use of molecules labeled with radioactive atoms that are injected into patients and localized in cancer cells.
Looking ahead, Chen says, «Ga -68-BBN-RGD could play an additive role in staging and detecting prostate cancer and provide guidance for internal radiation therapy using the same peptide labeled with therapeutic radionuclides.»
Monitoring equipment for airborne radionuclides put in place since the Chernobyl accident in 1986 now makes it «less likely» that accidental nuclear releases can be kept secret by the countries involved, says de Geer, although «we can not guarantee that we can detect everything».
«Biology is a way to solve this contamination problem, especially in situations like this where the radionuclides are highly diluted but still present at levels deemed hazardous,» said Kerkhof.
«But if I was living in the South Pacific, I would be concerned because eventually radionuclides will leak out and no one knows how the reefs are connected.»
«We expect better outcomes in radionuclide therapy treatment with fewer complications because we will be able to adjust patient dose either up or down as needed.»
The Congress, Co-sponsored by the Society of Nuclear Medicine and Molecular Imaging (SNMMI) and Johns Hopkins Medicine, welcomed physicians, chemists, physicists, technologists, and all scientists and clinicians interested in translational research and current state - of - the - art molecular imaging using Ga - 68 PET radiopharmaceuticals and radionuclide therapy.
The scope of practice in nuclear medicine technology includes, but is not limited to, the following areas and responsibilities: Patient Care; Quality Control; Diagnostic Procedures; Radiopharmaceuticals; In - Vivo Diagnostic Testing; In - Vitro Diagnostic Testing; Transmission Imaging; Radionuclide Therapy and Radiation Safetin nuclear medicine technology includes, but is not limited to, the following areas and responsibilities: Patient Care; Quality Control; Diagnostic Procedures; Radiopharmaceuticals; In - Vivo Diagnostic Testing; In - Vitro Diagnostic Testing; Transmission Imaging; Radionuclide Therapy and Radiation SafetIn - Vivo Diagnostic Testing; In - Vitro Diagnostic Testing; Transmission Imaging; Radionuclide Therapy and Radiation SafetIn - Vitro Diagnostic Testing; Transmission Imaging; Radionuclide Therapy and Radiation Safety.
Recently, he worked on subsurface biogeochemistry problems, including microbial transport in groundwater and bioremediation of metals and radionuclides.
Understanding microbe - mineral exchange is of fundamental importance and may lead to advanced understanding of the fate and transport of radionuclide contaminants in subsurface environments, such as those found at the U.S. Department of Energy's Hanford Site.
The group has found that a broad range of potential physical, chemical and biological markers characterise the Anthropocene, the clearest global markers being radionuclide fallout signals from nuclear testing and changes in carbon chemistry through fossil fuel burning — these in particular show marked changes starting in the early to mid-1950s.
«Radionuclide and Heavy Metal Distribution in 20th Century Sediments of Major Streams in the Eastern Part of the Grants Uranium Region, New Mexico,» C.J. Popp, D.W. Love, J.W. Hawley, and K. Novo - Gradac, NM Inst.
EID News - news release, Elevated radionuclide levels found in cattle grazing near uranium mines & mills, June 17, 1986.
EID Church Rock Sheep Studies, 8/86 — EID News, news release, June 17, 1986, Elevated radionuclide levels found in cattle grazing near Uranium mines and mills; Executive Summary and Recommendations Radionuclide Levels in Cattle Raised Near Uranium Mines and Mills in Northwest New Mexico, Environmental Improvement Division, NM, June 1986; Radionuclide Levels in Sheep and Cattle Grazing Near Uranium Mining and Milling At Church Rock, NM, Dr. Jere B. Millard, Dr. Sandra C. Lapham, and Paul Hahn, NM EID, Oradionuclide levels found in cattle grazing near Uranium mines and mills; Executive Summary and Recommendations Radionuclide Levels in Cattle Raised Near Uranium Mines and Mills in Northwest New Mexico, Environmental Improvement Division, NM, June 1986; Radionuclide Levels in Sheep and Cattle Grazing Near Uranium Mining and Milling At Church Rock, NM, Dr. Jere B. Millard, Dr. Sandra C. Lapham, and Paul Hahn, NM EID, ORadionuclide Levels in Cattle Raised Near Uranium Mines and Mills in Northwest New Mexico, Environmental Improvement Division, NM, June 1986; Radionuclide Levels in Sheep and Cattle Grazing Near Uranium Mining and Milling At Church Rock, NM, Dr. Jere B. Millard, Dr. Sandra C. Lapham, and Paul Hahn, NM EID, ORadionuclide Levels in Sheep and Cattle Grazing Near Uranium Mining and Milling At Church Rock, NM, Dr. Jere B. Millard, Dr. Sandra C. Lapham, and Paul Hahn, NM EID, October 1986.
Peptide Receptor Radionuclide and Octreotide: A Novel Approach for Metastatic Tumor - Induced Osteomalacia JES May 3, 2017 Abilash Nair, Semanti Chakraborty, Pramila Dharmshaktu, Nikhil Tandon, Yashdeep Gupta, Rajesh Khadgawat, Puthiyaveettil Khadar Jabbar, Chandra Sekhar Bal, Shipra Agarwal, and Mohd Ashraf Ganie Octreotide can be used as an adjunctive therapy to increase phosphorus levels in patients with tumor - induced osteomalacia.
From developing the first accelerator mass spectrometer for use in the biology field to tracking radionuclides from the Dai - ichi Nuclear Power Plant disaster, the Laboratory's Center for Accelerator Mass Spectrometry (CAMS) has spent 25 years in the spotlight of not only dating ancient artifacts...
Clinical Trials Research and Billing First in Human / Early Phase PET in Oncology Case - Based Dose Reduction in Pediatric Nuclear Medicine: Practical and Necessary Radioiodine Therapy for Hyperthyroidism: The State of the Art Spondylodiscitis: Role of Imaging for Diagnosis and Monitoring Treatment Response Current Status and Future Prospects: PET and SPECT Instrumentation Alternative Payment Models and Value - Based Health Care: Nuts and Bolts Maximal Tolerated Activity of Radioactive Iodine for Metastatic Thyroid Cancer Teaching Old Radiopharmaceuticals New Tricks Intraoperative Detection Devices and Probes Molecular Imaging of Lung Inflammation Standardization of Advanced PET / SPECT Data Acquisition and Analysis Thyroid Cancer Management: Novel Therapeutics and Management Options Targeting Radionuclide Therapy in Various Non-Malignant Arthritic Conditions Using Radiosynoviorthesis (RSO) Are You Prepared for a Radiation Accident?