Search Results - "Arjen van Veelen"

Pheomelanin pigment remnants mapped in fossils of an extinct mammal by Manning, Phillip L., Edwards, Nicholas P., Bergmann, Uwe, Anné, Jennifer, Sellers, William I., van Veelen, Arjen, Sokaras, Dimosthenis, Egerton, Victoria M., Alonso-Mori, Roberto, Ignatyev, Konstantin, van Dongen, Bart E., Wakamatsu, Kazumasa, Ito, Shosuke, Knoll, Fabien, Wogelius, Roy A.

“…Recent progress has been made in paleontology with respect to resolving pigmentation in fossil material. Morphological identification of fossilized melanosomes…”
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Root-induced soil deformation influences Fe, S and P: rhizosphere chemistry investigated using synchrotron XRF and XANES by van Veelen, Arjen, Koebernick, Nicolai, Scotson, Callum S., McKay-Fletcher, Daniel, Huthwelker, Thomas, Borca, Camelia N., Mosselmans, J. Fred W., Roose, Tiina

“…• Rhizosphere soil has distinct physical and chemical properties from bulk soil. However, besides root-induced physical changes, chemical changes have not been…”
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Multimodal correlative imaging and modelling of phosphorus uptake from soil by hyphae of mycorrhizal fungi by Keyes, Sam, Veelen, Arjen, McKay Fletcher, Dan, Scotson, Callum, Koebernick, Nico, Petroselli, Chiara, Williams, Katherine, Ruiz, Siul, Cooper, Laura, Mayon, Robbie, Duncan, Simon, Dumont, Marc, Jakobsen, Iver, Oldroyd, Giles, Tkacz, Andrzej, Poole, Philip, Mosselmans, Fred, Borca, Camelia, Huthwelker, Thomas, Jones, David L., Roose, Tiina

“…Summary Phosphorus (P) is essential for plant growth. Arbuscular mycorrhizal fungi (AMF) aid its uptake by acquiring P from sources distant from roots in…”
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Developing a system for in vivo imaging of maize roots containing iodinated contrast media in soil using synchrotron XCT and XRF by Scotson, Callum P., van Veelen, Arjen, Williams, Katherine A., Koebernick, Nicolai, McKay Fletcher, Dan, Roose, Tiina

“…Aims We sought to develop a novel experimental system which enabled application of iodinated contrast media to in vivo plant roots intact in soil and was…”
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A new μ-high energy resolution fluorescence detection microprobe imaging spectrometer at the Stanford Synchrotron Radiation Lightsource beamline 6-2 by Edwards, Nicholas P, Bargar, John R, van Campen, Douglas, van Veelen, Arjen, Sokaras, Dimosthenis, Bergmann, Uwe, Webb, Samuel M

“…Here, we describe a new synchrotron X-ray Fluorescence (XRF) imaging instrument with an integrated High Energy Fluorescence Detection X-ray Absorption…”
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A comparative study on the physicochemical characteristics of nanoparticles released in vivo from CoCrMo tapers and cement–stem interfaces of total hip replacements by Crainic, Alina M., Callisti, Mauro, Veelen, Arjen, Michalik, Agnes, Milton, James A., Palmer, Martin R., Cook, Richard B.

“…The good biocompatibility and corrosion resistance of the bulk CoCrMo alloy has resulted in it being used in the manufacture of implants and load bearing…”
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In Situ EXAFS Study of Sr Adsorption on TiO2(110) under High Ionic Strength Wastewater Conditions by Arjen van Veelen, Paul C. M. Francisco, Nicholas P. Edwards, Julian Frederick W. Mosselmans, Tsutomu Sato, Roy A. Wogelius

“…In order to provide important details concerning the adsorption reactions of Sr, batch reactions and a set of both ex situ and in situ Grazing Incidence X-ray…”
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Correlative Visualization of Root Mucilage Degradation Using X-ray CT and MRI by van Veelen, Arjen, Tourell, Monique C., Koebernick, Nicolai, Pileio, Giuseppe, Roose, Tiina

“…Root exudates are a crucial component of the rhizosphere. Often, they take a form of a gel exuded by the plant roots and are thought to influence the soil…”
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Uranium (VI) Adsorbate Structures on Portlandite [Ca(OH)2] Type Surfaces Determined by Computational Modelling and X-ray Absorption Spectroscopy by Christopher A. Lee, Arjen van Veelen, Katherine Morris, J. Fred W. Mosselmans, Roy A. Wogelius, Neil A. Burton

“…Portlandite [Ca(OH)2] is a potentially dominant solid phase in the high pH fluids expected within the cementitious engineered barriers of Geological Disposal…”
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Stabilizing gold nanoparticles for use in X-ray computed tomography imaging of soil systems by Scotson, Callum P, Munoz-Hernando, Maria, Duncan, Simon J, Ruiz, Siul A, Keyes, Samuel D, van Veelen, Arjen, Dunlop, Iain E, Roose, Tiina

“…This investigation establishes a system of gold nanoparticles that show good colloidal stability as an X-ray computed tomography (XCT) contrast agent under…”
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Neptunium(V) and Uranium(VI) Reactions at the Magnetite (111) Surface by Bots, Pieter, van Veelen, Arjen, Mosselmans, J. Frederick W., Muryn, Christopher, Wogelius, Roy A., Morris, Katherine

“…Neptunium and uranium are important radionuclides in many aspects of the nuclear fuel cycle and are often present in radioactive wastes which require long term…”
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The effects of hydrogen absorption in U3Si5 and its thermodynamic properties by Gonzales, Adrian R., Widgeon Paisner, Scarlett, van Veelen, Arjen, Sooby, Elizabeth S., White, Joshua T.

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Performance and properties evolution of near-term accident tolerant fuel: Cr-doped UO2 by Terricabras, Adrien Jose Emile, Drewry, Sean Michael, Campbell, Keri, Judge, Elizabeth J., Byler, Darrin David, Teti, Emily S., van Veelen, Arjen, Widgeon Paisner, Scarlett, White, Joshua Taylor

“…Chromium-doped UO2 fuel has received significant interest due to the ability for chromium to produce pellets with large average grain size (>30 μm), which has…”
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Energetics of oxidation and formation of uranium mononitride by Goncharov, Vitaliy G., Liu, Juejing, van Veelen, Arjen, Kriegsman, Kyle, Benmore, Chris, Sun, Chengjun, Kelly, Shelly, White, Joshua T., Xu, Hongwu, Guo, Xiaofeng

“…•UN exhibits step-wise oxidation behavior in air.•UN forms a protective passivating layer preventing its rapid bulk oxidation up to 662 K.•Standard enthalpy of…”
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Performance and properties evolution of near-term accident tolerant fuel: Cr-doped UO2 by Terricabras, Adrien J., Drewry, Sean M., Campbell, Keri, Judge, Elizabeth J., Byler, Darrin D., Teti, Emily S., van Veelen, Arjen, Widgeon Paisner, Scarlett, White, Joshua T.

“…•UO2 grain size was enlarged using Cr2O3 dopant up to 7800 ppm (pre-sintering).•∼48 % reduction in Cr content measured post-sintering.•Cr incorporation in the…”
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Energetics of oxidation and formation of uranium monocarbide by Goncharov, Vitaliy G., Liu, Juejing, Strzelecki, Andrew, van Veelen, Arjen, Benmore, Chris, Boukhalfa, Hakim, White, Joshua T., Xu, Hongwu, Guo, Xiaofeng

“…•UC possesses a locally disordered structure revealed by EXAFS.•The onset temperature of UC bulk oxidation was determined to be 537 K in air.•UC follows a…”
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Finite temperature properties of uranium mononitride by Kocevski, Vancho, Rehn, Daniel A., Terricabras, Adrien J., van Veelen, Arjen, Cooper, Michael W.D., Paisner, Scarlett Widgeon, Vogel, Sven C., White, Joshua T., Andersson, David A.

“…Uranium mononitride (UN) is a promising nuclear fuel that combines the advantageous properties of readily used UO2 and uranium alloys, such as high melting…”
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Review of multi-faceted morphologic signatures of actinide process materials for nuclear forensic science by McDonald, Luther W., Sentz, Kari, Hagen, Alex, Chung, Brandon W., Nizinski, Cody A., Schwerdt, Ian J., Hanson, Alexa, Donald, Scott, Clark, Richard, Sjoden, Glenn, Porter, Reid, Athon, Matthew T., Tasdizen, Tolga, Noel, Vincent, Webb, Samuel M., Van Veelen, Arjen, Hickam, Sarah M., Ly, Cuong

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Trace Impurities Identified as Forensic Signatures in CMX‑5 Fuel Pellets Using X‑ray Spectroscopic Techniques by van Veelen, Arjen, Hickam, Sarah M., Edwards, Nicholas P., Webb, Samuel M., Clark, David L., Wilkerson, Marianne P., Pugmire, Alison L., Bargar, John R.

“…Small-particle analysis is a highly promising emerging forensic tool for analysis of interdicted special nuclear materials. Integration of microstructural,…”
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In Situ Determination of Speciation and Local Structure of NaCl–SrCl2 and LiF–ZrF4 Molten Salts by Lynch, Timothy J, Birkner, Nancy R, Christian, Matthew S, Wrubel, Jacob A, Schorne-Pinto, Juliano, Van Veelen, Arjen, Bargar, John R, Besmann, Theodore M, Brinkman, Kyle S, Chiu, Wilson K. S

“…Understanding the local environment of the metal atoms in salt melts is important for modeling the properties of melts and predicting their behavior and thus…”
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