Search Results - "Hillegonds, Darren J."

Gas Emissions and Subsurface Architecture of Fault‐Controlled Geothermal Systems: A Case Study of the North Abaya Geothermal Area by Hutchison, William, Ogilvie, Euan R. D., Birhane, Yafet G., Barry, Peter H., Fischer, Tobias P., Ballentine, Chris J., Hillegonds, Darren J., Biggs, Juliet, Albino, Fabien, Cervantes, Chelsea, Guðbrandsson, Snorri

“…East Africa hosts significant reserves of untapped geothermal energy. Exploration has focused on geologically young (<1 Ma) silicic calderas, yet there are…”
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The Bisphosphonate Olpadronate Inhibits Skeletal Prostate Cancer Progression in a Green Fluorescent Protein Nude Mouse Model by MENG YANG, BURTON, Doug W, GELLER, Jack, HILLEGONDS, Darren J, HASTINGS, Randolph H, DEFTOS, Leonard J, HOFFMAN, Robert M

“…Purpose: Metastatic bone disease is one of the major causes of morbidity and mortality in prostate cancer patients. Bisphosphonates are currently used to…”
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Helium‐isotope constraints on palaeoceanographic change and sedimentation rates during precession cycles (Cenomanian Scaglia Bianca Formation, central Italy) by Lucas, James R., Batenburg, Sietske J., Hillegonds, Darren J., Mabry, Jennifer C., Jenkyns, Hugh C., Ballentine, Chris J., Robinson, Stuart A.

“…For much of the pelagic sedimentary record, time control is limited to the resolution of precession cycles (ca 20 kyr): the Milankovitch parameter that forms…”
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Proficiency testing of 78 international laboratories measuring tritium in environmental waters by decay counting and mass spectrometry for age dating and water resources assessment by Copia, Lorenzo, Wassenaar, Leonard I., Terzer‐Wassmuth, Stefan, Hillegonds, Darren J., Klaus, Philipp M., Araguás‐Araguás, Luis J.

“…Rationale Tritium (3H) is an important hydrological tracer that has been commonly used for over 60 years to evaluate water residence times and water dynamics…”
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A membrane inlet mass spectrometry system for noble gases at natural abundances in gas and water samples by Visser, Ate, Singleton, Michael J., Hillegonds, Darren J., Velsko, Carol A., Moran, Jean E., Esser, Bradley K.

“…RATIONALE Noble gases dissolved in groundwater can reveal paleotemperatures, recharge conditions, and precise travel times. The collection and analysis of…”
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Ultra-trace analysis of 41Ca in urine by accelerator mass spectrometry: An inter-laboratory comparison by Jackson, George S., Hillegonds, Darren J., Muzikar, Paul, Goehring, Brent

“…A 41Ca interlaboratory comparison between Lawrence Livermore National Laboratory (LLNL) and the Purdue Rare Isotope Laboratory (PRIME Lab) has been completed…”
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The management of painful bone metastases with an emphasis on radionuclide therapy by HILLEGONDS, Darren J, FRANKLIN, Stephen, SHELTON, David K, VIJAYAKUMAR, Srinivasan, VIJAYAKUMAR, Vani

“…This review provides an update on the management of painful bone metastases, with an emphasis on radionuclide therapy, and introduces oligometastases and…”
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Is bone equally responsive to calcium and vitamin D intake from food vs. supplements? Use of (41)calcium tracer kinetic model by Rogers, Tara S, Garrod, Marjorie G, Peerson, Janet M, Hillegonds, Darren J, Buchholz, Bruce A, Demmer, Elieke, Richardson, Christine, Gertz, Erik R, Van Loan, Marta D

“…Few interventions directly compare equivalent calcium and vitamin D from dairy vs. supplements on the same bone outcomes. The radioisotope calcium-41 ((41)Ca)…”
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Further development of accelerator mass spectrometry for the measurement of Sr at Lawrence Livermore National Laboratory by Tumey, Scott J, Brown, Thomas A, Hamilton, Terry F, Hillegonds, Darren J

“…Based on the encouraging results of our initial efforts to develop a Sr accelerator mass spectrometry capability, we have undertaken efforts to enhance our…”
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Is bone equally responsive to calcium and vitamin D intake from food vs. supplements? Use of 41calcium tracer kinetic model by Rogers, Tara S., Garrod, Marjorie G., Peerson, Janet M., Hillegonds, Darren J., Buchholz, Bruce A., Demmer, Elieke, Richardson, Christine, Gertz, Erik R., Van Loan, Marta D.

“…Few interventions directly compare equivalent calcium and vitamin D from dairy vs. supplements on the same bone outcomes. Here, the radioisotope calcium-41…”
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Accelerator mass spectrometry of strontium-90 for homeland security, environmental monitoring and human health by Tumey, Scott J., Brown, Thomas A., Hamilton, Terry E., Hillegonds, Darren J.

“…Strontium-90 is one of the most hazardous materials managed by agencies charged with protecting the public from radiation. Traditional radiometric methods have…”
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Further development of accelerator mass spectrometry for the measurement of 90Sr at Lawrence Livermore National Laboratory by Tumey, Scott J., Brown, Thomas A., Hamilton, Terry F., Hillegonds, Darren J.

“…Based on the encouraging results of our initial efforts to develop a 90 Sr accelerator mass spectrometry capability, we have undertaken efforts to enhance our…”
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Protocol for assessing bone health in humans by tracing long-lived Ca isotope in urine, serum, and saliva samples by Lin, Yumei, Hillegonds, Darren J, Gertz, Erik R, Van Loan, Marta D, Vogel, John S

“…Notes & Tips: no abstract…”
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Neuroscience and accelerator mass spectrometry by Palmblad, Magnus, Buchholz, Bruce A., Hillegonds, Darren J., Vogel, John S.

“…Accelerator mass spectrometry (AMS) is a mass spectrometric method for quantifying rare isotopes. It has had a great impact in geochronology and archaeology…”
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H2 and CH4 outgassing rates in the Samail ophiolite, Oman: Implications for low-temperature, continental serpentinization rates by Leong, James Andrew, Nielsen, Michael, McQueen, Noah, Karolytė, Rūta, Hillegonds, Darren J., Ballentine, Chris, Darrah, Tom, McGillis, Wade, Kelemen, Peter

“…Reduced (H2- and CH4-rich) and hyperalkaline fluids are products of subsurface reactions accompanying serpentinization of ultramafic rocks. H2 and CH4 produced…”
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Protocol for assessing bone health in humans by tracing long-lived 41Ca isotope in urine, serum, and saliva samples by Lin, Yumei, Hillegonds, Darren J., Gertz, Erik R., Van Loan, Marta D., Vogel, John S.

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α-Particle Energy Loss Measurement of Microgram Depositions of Biomolecules by Grant, Patrick G, Palmblad, Magnus, Murov, Steven, Hillegonds, Darren J, Ueda, Dawn L, Vogel, John S, Bench, Graham

“…A commercially available α-particle spectrometer and 210Po α-particle source were used to determine the mass of microgram quantities of biomolecules. Samples…”
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Utility of natural and artificial geochemical tracers for leakage monitoring and quantification during an offshore controlled CO2 release experiment by Flohr, Anita, Matter, Juerg M., James, Rachael H., Saw, Kevin, Brown, Robin, Gros, Jonas, Flude, Stephanie, Day, Christopher, Peel, Kate, Connelly, Douglas, Pearce, Christopher R., Strong, James A., Lichtschlag, Anna, Hillegonds, Darren J., Ballentine, Christopher J., Tyne, Rebecca L.

“…•Inherent & added tracers were tested for CO2 leakage attribution & quantification.•Additionally, CO2 leakage was quantified directly by the inverted…”
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Land-use interactions, Oil-Field infrastructure, and natural processes control hydrocarbon and arsenic concentrations in groundwater, Poso Creek Oil Field, California, USA by McMahon, Peter B., Landon, Matthew K., Stephens, Michael J., Taylor, Kim A., Wright, Michael T., Hansen, Angela M., Kraus, Tamara E.C., Cozzarelli, Isabelle M., Shimabukuro, David H., Sowers, Theron A., Kulongoski, Justin T., Hunt, Andrew G., Karolytė, Ruta, Hillegonds, Darren J., Ballentine, Chris J.

“…Like many hydrocarbon production areas in the U.S., the Poso Creek Oil Field in California includes and is adjacent to other land uses (agricultural and other…”
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Ultra-trace analysis of 41 Ca in urine by accelerator mass spectrometry: an inter-laboratory comparison by Jackson, George S, Hillegonds, Darren J, Muzikar, Paul, Goehring, Brent

“…A Ca interlaboratory comparison between Lawrence Livermore National Laboratory (LLNL) and the Purdue Rare Isotope Laboratory (PRIME Lab) has been completed…”
Get full text