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Using Singlet Oxygen to Synthesize Natural Products and Drugs

29-Apr-2016 | Ashwini A. Ghogare; Alexander Greer, Chemical Reviews, 2016

Chemical Reviews DOI: 10.1021/acs.chemrev.5b00726

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Facile Surfactant‐Free Synthesis of p‐type SnSe Nanoplates with Exceptional Thermoelectric Power Factors

20-Apr-2016 | Guang Han, Srinivas R. Popuri, Heather F. Greer, Jan‐Willem G. Bos, Wuzong Zhou, Andrew R. Knox, Andrea Montecucco, ..., Angewandte Chemie International Edition, 2016

Abstract A surfactant‐free solution methodology, simply using water as a solvent, has been developed for the straightforward synthesis of single‐phase orthorhombic SnSe nanoplates in gram quantities. Individual nanoplates are composed of {100} surfaces with {011} edge facets. Hot‐pressed ...

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Interplay of Nitrogen-Atom Inversion and Conformational Inversion in Enantiomerization of 1H-1-Benzazepines

29-Mar-2016 | Keith Ramig; Gopal Subramaniam; Sasan Karimi; David J. Szalda; Allen Ko; Aaron Lam; Jeffrey Li; Ani Coaderaj; Leyla ..., The Journal of Organic Chemistry, 2016

A series of 2,4-disubstituted 1H-1-benzazepines, 2a–d, 4, and 6, were studied, varying both the substituents at C2 and C4 and at the nitrogen atom. The conformational inversion (ring-flip) and nitrogen-atom inversion (N-inversion) energetics were studied by variable-temperature NMR spectroscopy ...

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The Original CoII Heteroscorpion­ates Revisited: On the EPR of Pseudotetrahedral CoII

02-Mar-2016 | Robert R. Baum, William K. Myers, Samuel M. Greer, Robert M. Breece, David L. Tierney, European Journal of Inorganic Chemistry, 2016

Abstract An examination of the solution spectroscopy of a series of tetrahedral bis‐bispyrazolylborate complexes of CoII is presented. This includes a re‐examination of the UV/Vis‐NIR of the three stable derivatives, Bp2Co, Bp3,5Me2Co and (Ph2Bp)2Co, which showed two transitions previously ...

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Microstructure provides insights into evolutionary design and resilience of Coscinodiscus sp. frustule [Engineering]

23-Feb-2016 | Zachary H. Aitken; Shi Luo; Stephanie N. Reynolds; Christian Thaulow; Julia R. Greer, Proceedings of the National Academy of Sciences current issue, 2016

We conducted in situ three-point bending experiments on beams with roughly square cross-sections, which we fabricated from the frustule of Coscinodiscus sp. We observe failure by brittle fracture at an average stress of 1.1 GPa. Analysis of crack propagation and shell morphology reveals a ...

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A Molten Salt Lithium–Oxygen Battery

22-Feb-2016 | Vincent Giordani; Dylan Tozier; Hongjin Tan; Colin M. Burke; Betar M. Gallant; Jasim Uddin; Julia R. Greer; Bryan D. ..., Journal of the American Chemical Society, 2016

Despite the promise of extremely high theoretical capacity (2Li + O2 ↔ Li2O2, 1675 mAh per gram of oxygen), many challenges currently impede development of Li/O2 battery technology. Finding suitable electrode and electrolyte materials remains the most elusive challenge to date. A radical new ...

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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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