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Thermal and photochemical reactions of methanol on nanocrystalline anatase TiO2 thin films

01-Jul-2015 | David A. Bennett; Matteo Cargnello; Thomas R. Gordon; Christopher B. Murray; John M. Vohs, Physical Chemistry Chemical Physics, 2015

The catalytic and photo-catalytic activity of well-defined anatase TiO2 nanocrystals for the partial oxidation of methanol was investigated using temperature-programmed desorption (TPD) in ultra-high vacuum in order to determine how crystallite size and shape affect reactivity. The TiO2 films ...

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A Cyclic Dodecanuclear Cobalt Cluster Based on Dye Rhodamine 6G Derivative with Unusual Magnetization

01-Jul-2015 | Hong Xu; Qian Wang; Jian-Hua Qin; Shuang-Quan Zang; Stuart K Langley; Keith S. Murray; Boujemaa Moubaraki; Stuart R. ..., Chemical Communication, 2015

A novel cyclic dodecanuclear cobalt cluster which is bridged via a derivative of the rhodamine dye 6G is presented. The work provides a new and effective strategy for the design and development of novel magnetic materials based on high-nuclearity metal clusters decorated by the rhodamine dye.

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Association between Dopamine Receptor D2 (DRD2) Variations rs6277 and rs1800497 and Cognitive Performance According to Risk Type for Psychosis: A Nested Case Control Study in a Finnish Population Sample

26-Jun-2015 | Hugh Ramsay et al., PLoS ONE, 2015

by Hugh Ramsay, Jennifer H. Barnett, Jouko Miettunen, Sari Mukkala, Pirjo Mäki, Johanna Liuhanen, Graham K. Murray, Marjo-Riitta Jarvelin, Hanna Ollila, Tiina Paunio, Juha Veijola Background...

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Selective p- and n-Doping of Colloidal PbSe Nanowires To Construct Electronic and Optoelectronic Devices

19-Jun-2015 | Soong Ju Oh; Chawit Uswachoke; Tianshuo Zhao; Ji-Hyuk Choi; Benjamin T. Diroll; Christopher B. Murray; Cherie R. Kagan, ACS Nano, 2015

We report the controlled and selective doping of colloidal PbSe nanowire arrays to define pn junctions for electronic and optoelectronic applications. The nanowires are remotely doped through their surface, p-type by exposure to oxygen and n-type by introducing a stoichiometric imbalance in favor ...

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Catalytic Amine Oxidation under Ambient Aerobic Conditions: Mimicry of Monoamine Oxidase B

19-Jun-2015 | Alexander T. Murray, Myles J. H. Dowley, Fabienne Pradaux‐Caggiano, Amgalanbaatar Baldansuren, Alistair J. Fielding, ..., Angewandte Chemie International Edition, 2015

Abstract The flavoenzyme monoamine oxidase (MAO) regulates mammalian behavioral patterns by modulating neurotransmitters such as adrenaline and serotonin. The mechanistic basis which underpins this enzyme is far from agreed upon. Reported herein is that the combination of a synthetic flavin ...

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[Policy Forum] Linking and leveraging

12-Jun-2015 | Fiona Murray, Science , 2015

Authors: Fiona Murray, Scott Stern...

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Structure-Guided Design of Group I Selective p21-Activated Kinase Inhibitors

12-Jun-2015 | James J. Crawford; Wendy Lee; Ignacio Aliagas; Simon Mathieu; Klaus P. Hoeflich; Wei Zhou; Weiru Wang; Lionel Rouge; ..., Journal of Medicinal Chemistry, 2015

The p21-activated kinases (PAKs) play important roles in cytoskeletal organization, cellular morphogenesis, and survival and have generated significant attention as potential therapeutic targets for cancer. Following a high-throughput screen, we identified an aminopyrazole scaffold-based series ...

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Efficient Synthesis and Biological Evaluation of 5′-GalNAc Conjugated Antisense Oligonucleotides

10-Jun-2015 | Michael E. Østergaard; Jinghua Yu; Garth A. Kinberger; W. Brad Wan; Michael T. Migawa; Guillermo Vasquez; Karsten Sc ..., Bioconjugate Chemistry, 2015

Conjugation of triantennary N-acetyl galactosamine (GalNAc) to oligonucleotide therapeutics results in marked improvement in potency for reducing gene targets expressed in hepatocytes. In this report we describe a robust and efficient solution-phase conjugation strategy to attach triantennary ...

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Classification images reveal decision variables and strategies in forced choice tasks [Psychological and Cognitive Sciences]

09-Jun-2015 | Lisa M. Pritchett; Richard F. Murray, Proceedings of the National Academy of Sciences current issue, 2015

Despite decades of research, there is still uncertainty about how people make simple decisions about perceptual stimuli. Most theories assume that perceptual decisions are based on decision variables, which are internal variables that encode task-relevant information. However, decision variables ...

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Nitride-Bridged Triiron Complex and Its Relevance to Dinitrogen Activation

08-Jun-2015 | David M. Ermert; Jesse B. Gordon; Khalil A. Abboud; Leslie J. Murray, Inorganic Chemistry, 2015

Using a simple metathesis approach, the triiron(II) tribromide complex Fe3Br3L (1) reacts with tetrabutylammonium azide to afford the monoazide dibromide analogue Fe3(Br)2(N3)L (2) in high yield. The inclusion of azide was confirmed by IR spectroscopy with a ν(N3) = 2082 cm–1 as well as ...

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