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133Cs and 23Na MAS NMR Spectroscopy of Molybdate Crystallization in Model Nuclear Glasses

03-Feb-2016 | Scott Kroeker, Sophie Schuller, John E. C. Wren, Brandon J. Greer, Adel Mesbah, Journal of the American Ceramic Society, 2016

Sodium borosilicate base glasses modeled on French nuclear waste materials were prepared to test the dependence of crystallization product quantity and distribution on cesium‐ and molybdenum‐loading and glass cooling rate. Scanning electron microscopy shows the presence of micrometer‐sized ...

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Dipole Field Driven Morphology Evolution in Biomimetic Vaterite

02-Feb-2016 | Heather F Greer; Ming-Han Liu; Chung-Yuan Mou; Wuzong Zhou, CrystEngComm, 2016

Morphology evolution is an important process in naturally occurring biominerals. To investigate the interaction between biomolecules and inorganic components in the construction of biominerals, biomimetic hexagonal prism vaterite crystals were hydrothermally prepared through a reaction of urea ...

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What Can Electron Microscopy Tell Us Beyond Crystal Structures?

27-Jan-2016 | Wuzong Zhou, Heather F. Greer, European Journal of Inorganic Chemistry, 2016

Abstract Transmission electron microscopy is a powerful tool to directly image crystal structures. Not only that, it is often used to reveal crystal size and morphology, crystal orientation, crystal defects, surface structures, superstructures, etc. However, due to the 2D nature of TEM images, ...

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Introduction to the Robert Bittman Memorial Issue

17-Jan-2016 | Author(s): Gemma Fabrias, Alexander Greer, Ravi S. Lankalapalli, Robert Engel, Chemistry and Physics of Lipids, 2016

Publication date: January 2016 Source:Chemistry and Physics of Lipids, Volume 194 Author(s): Gemma Fabrias, Alexander Greer, Ravi S. Lankalapalli, Robert Engel...

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IJMS, Vol. 16, Pages 30405-30421: Combination Treatment with Sublethal Ionizing Radiation and the Proteasome Inhibitor, Bortezomib, Enhances Death-Receptor Mediated Apoptosis and Anti-Tumor Immune Attack

21-Dec-2015 | Cacan, Ercan ; Spring, Alexander M.; Kumari, Anita ; Greer, Susanna F.; Garnett-Benson, Charlie, International Journal of Molecular Sciences, 2015

Sub-lethal doses of radiation can modulate gene expression, making tumor cells more susceptible to T-cell-mediated immune attack. Proteasome inhibitors demonstrate broad anti-tumor activity in clinical and pre-clinical cancer models. Here, we use a combination treatment of proteasome inhibition ...

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IJMS, Vol. 16, Pages 28418-28428: Thrombophilia and Pregnancy Complications

30-Nov-2015 | Simcox, Louise E.; Ormesher, Laura ; Tower, Clare ; Greer, Ian A., International Journal of Molecular Sciences, 2015

There is a paucity of strong evidence associated with adverse pregnancy outcomes and thrombophilia in pregnancy. These problems include both early (recurrent miscarriage) and late placental vascular-mediated problems (fetal loss, pre-eclampsia, placental abruption and intra-uterine growth ...

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Reversed Crystal Growth of RHO Zeolitic Imidazolate Framework (ZIF)

18-Nov-2015 | Katherine Self, Michael Telfer, Heather F. Greer, Wuzong Zhou, Chemistry - A European Journal, 2015

Abstract RHO zeolitic imidazolate framework (ZIF), Zn1.33(O.OH)0.33(nim)1.167(pur), crystals with a rhombic dodecahedral morphology were synthesized by a solvothermal process. The growth of the crystals was studied over time using scanning electron microscopy (SEM), transmission electron ...

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Multinuclear Magnetic Resonance Investigation of Crystalline Alkali Molybdates

05-Oct-2015 | John E. C. Wren; Brandon J. Greer; Vladimir K. Michaelis; Carolyn S. Higman; Scott Kroeker, Inorganic Chemistry, 2015

A variety of crystalline alkali molybdate phases are characterized by 23Na, 133Cs, and 95Mo magic-angle-spinning nuclear magnetic resonance (MAS NMR) to provide spectroscopic handles for studies of devitrification products in borosilicate nuclear waste glasses. The NMR parameters obtained from ...

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[Report] Fractal atomic-level percolation in metallic glasses

18-Sep-2015 | David Z. Chen; Crystal Y. Shi; Qi An; Qiaoshi Zeng; Wendy L. Mao; William A. Goddard III; Julia R. Greer, Science , 2015

and that the percolating cluster becomes rigid at the glass transition temperature. Authors: David Z. Chen, Crystal Y. Shi, Qi An, Qiaoshi Zeng, Wendy L. Mao, William A. Goddard, Julia R. Greer...

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Resilient 3D hierarchical architected metamaterials [Engineering]

15-Sep-2015 | Lucas R. Meza; Alex J. Zelhofer; Nigel Clarke; Arturo J. Mateos; Dennis M. Kochmann; Julia R. Greer, Proceedings of the National Academy of Sciences current issue, 2015

Hierarchically designed structures with architectural features that span across multiple length scales are found in numerous hard biomaterials, like bone, wood, and glass sponge skeletons, as well as manmade structures, like the Eiffel Tower. It has been hypothesized that their mechanical ...

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