Search Results - "Celestian, Aaron J."

In situ potassium and hydrogen ion exchange into a cubic zirconium silicate microporous material by Lively, Jason, Celestian, Aaron J

“…The selective separation of ions from aqueous systems, and even in the human body, is a crucial to overall environmental management and health. Nanoporous…”
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Plastic ingestion by freshwater turtles: a review and call to action by Clause, Adam G., Celestian, Aaron J., Pauly, Gregory B.

“…Plastic pollution, and especially plastic ingestion by animals, is a serious global issue. This problem is well documented in marine systems, but it is…”
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Uppermost Triassic phosphorites from Williston Lake, Canada: link to fluctuating euxinic-anoxic conditions in northeastern Panthalassa before the end-Triassic mass extinction by Larina, Ekaterina, Bottjer, David J., Corsetti, Frank A., Zonneveld, John-Paul, Celestian, Aaron J., Bailey, Jake V.

“…The end-Triassic mass extinction (ETE) is associated with a rise in CO 2 due to eruptions of the Central Atlantic Magmatic Province (CAMP), and had a…”
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Living to Lithified: Construction and Preservation of Silicified Biomarkers by Rasmussen, Kalen L., Thieringer, Patrick H., Nevadomski, Sophia, Martinez, Aaron M., Dawson, Katherine S., Corsetti, Frank A., Zheng, Xin‐Yuan, Lv, Yiwen, Chen, Xinyang, Celestian, Aaron J., Berelson, William M., Rollins, Nick E., Spear, John R.

“…ABSTRACT Whole microorganisms are rarely preserved in the fossil record but actively silicifying environments like hot springs provide an opportunity for…”
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The Mechanism Responsible for Extraordinary Cs Ion Selectivity in Crystalline Silicotitanate by Celestian, Aaron J, Kubicki, James D, Hanson, Jonathon, Clearfield, Abraham, Parise, John B

“…Combining information from time-resolved X-ray and neutron scattering with theoretical calculations has revealed the elegant mechanism whereby hydrogen…”
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Solid-State Structural Characterization of a Rigid Framework of Lacunary Heteropolyniobates by Nyman, May, Celestian, Aaron J, Parise, John B, Holland, Gregory P, Alam, Todd M

“…In our ongoing investigations of heteropolyniobate chemistry, a phase featuring decorated, A-type trivacant α-Keggin ions linked by their charge-balancing…”
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In Situ Cs and H Exchange into Gaidonnayite and Proposed Mechanisms of Ion Diffusion by Celestian, Aaron J, Lively, Jason, Xu, Wenqian

“…The microporous mineral gaidonnayite Na2ZrSi3O9·2H2O was studied to better understand its ion-exchange mechanisms, specifically for Cs+ and H+ ions. In situ…”
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Rare Earth: Crystalline Treasures-Exhibition at the Santa Barbara Museum of Natural History by Celestian, Aaron J.

“…Rare Earth: Crystalline Treasures, an art exhibit by Aaron J. Celestian at the Santa Barbara Museum of Natural History through 5 September 2023 is reviewed…”
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Allantoin and natrosulfatourea, two new bat-guano minerals from the Rowley Mine, Maricopa County, Arizona, USA by Kampf, Anthony R, Celestian, Aaron J, Nash, Barbara P, Marty, Joe

“…The new minerals allantoin (IMA2020-004a), C4H6N4O3, and natrosulfatourea (IMA2019-134), Na2(SO4)[CO(NH2)2], were found in the Rowley mine, Maricopa County,…”
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Assessing the origin of pisoids within a travertine system in the border of Puna Plateau, Argentina by Mors, R. Agustin, Gomez, Fernando J., Astini, Ricardo A., Celestian, Aaron J., Corsetti, Frank A., Brasier, Alexander

“…The origin of pisoids in a diversity of environments has been recently discussed. While traditionally considered physico‐chemical sedimentary products…”
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Structure Determination and Time-Resolved Raman Spectroscopy of Yttrium Ion Exchange into Microporous Titanosilicate ETS‑4 by Celestian, Aaron J, Chappell, Caleb J, Rucks, Melinda J, Norris, Pauline

“…The ion exchange of yttrium, one of the five most critical rare-earth elements as outlined by the U.S. Department of Energy, into ETS-4 is a dynamic, multistep…”
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Barwoodite, Mn2+6(Nb5+,∎)2(SiO4)2(O,OH)6, a new member of the welinite group from Granite Mountain, Arkansas by Kampf, Anthony R, Celestian, Aaron J, Nash, Barbara P

“…The new mineral barwoodite (IMA2017-046), Mn2+6(Nb5+,∎)2(SiO4)2(O,OH)6, was found in miarolitic cavities at the Big Rock quarry (also known as the 3M quarry),…”
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Phosphor imaging as a tool for in situ mapping of ppm levels of uranium and thorium in rocks and minerals by Cole, Jennifer M, Nienstedt, Jessica, Spataro, Glenn, Rasbury, E.Troy, Lanzirotti, Antonio, Celestian, Aaron J, Nilsson, Melanie, Hanson, Gilbert N

“…Phosphor imaging is a type of digital autoradiography that has been widely used in biochemistry to examine radioactively tagged proteins. We used phosphor…”
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Pressure-Induced Hydration and Formation of Bilayer Ice in Nacrite, a Kaolin-Group Clay by Hwang, Huijeong, Choi, Jinhyuk, Liu, Zhenxian, Kim, Duck-Young, He, Yu, Celestian, Aaron J, Vogt, Thomas, Lee, Yongjae

“…Pressure-induced hydration of the clay mineral nacrite, Al2Si2O5(OH)4 is, in contrast to its polymorph kaolinite, partially irreversible. At ambient conditions…”
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Effects of Hydration during Strontium Exchange into Nanoporous Hydrogen Niobium Titanium Silicate by Kramer, Samantha, Celestian, Aaron J

“…A Nb-substituted titanium silicate with the sitinakite (NbTS) topology was exchanged with Sr2+ to determine the mechanisms and pathways of ion diffusion…”
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Technical note: Rapid phase identification of apatite and zircon grains for geochronology using X-ray micro-computed tomography by Cooperdock, Emily H. G., Hofmann, Florian, Tibbetts, Ryley M. C., Carrera, Anahi, Takase, Aya, Celestian, Aaron J.

“…Apatite and zircon are among the best-studied and most widely used accessory minerals for geochronology and thermochronology. Given that apatite and zircon are…”
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In Situ X-ray Diffraction Study of Cesium Exchange in Synthetic Umbite by Fewox, Christopher S, Clearfield, Abraham, Celestian, Aaron J

“…The exchange of Cs+ into H1.22K0.84ZrSi3O9·2.16H2O (umbite-(HK)) was followed in situ using time-resolved X-ray diffraction at the National Synchrotron Light…”
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Role of the Hydroxyl−Water Hydrogen-Bond Network in Structural Transitions and Selectivity toward Cesium in Cs0.38(D1.08H0.54)SiTi2O7·(D0.86H0.14)2O Crystalline Silicotitanate by Celestian, Aaron J, Parise, John B, Smith, Ronald I, Toby, Brian H, Clearfield, Abraham

“…The crystal structure of the selective Cs+ ion exchanger D1.6H0.4Ti2SiO7·D2.66H0.34O1.5, known as crystalline silicotitanate or CST, has been determined in…”
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High-Pressure Neutron Diffraction Study of Superhydrated Natrolite by Colligan, Marek, Lee, Yongjae, Vogt, Thomas, Celestian, Aaron J, Parise, John B, Marshall, William G, Hriljac, Joseph A

“…Neutron powder diffraction data were collected on a sample of natrolite and a 1:1 (v/v) mixture of perdeuterated methanol and water at a pressure of 1.87(11)…”
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Dehydration-Induced Water Disordering in a Synthetic Potassium Gallosilicate Natrolite by Lee, Yongjae, Kim, Sun Jin, Bull, Ivor, Celestian, Aaron J, Parise, John B, Kao, Chi-Chang, Vogt, Thomas

“…A new potassium gallosilicate zeolite with a natrolite topology (approximate formula K8.2Ga8.2Si11.8O40·11.5H2O) was synthesized under hydrothermal conditions…”
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