Search Results - "Koepke, J"

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  1. 1

    Electrocatalytic Water Oxidation by a Homogeneous Copper Catalyst Disfavors Single-Site Mechanisms by Koepke, Sara J, Light, Kenneth M, VanNatta, Peter E, Wiley, Keaton M, Kieber-Emmons, Matthew T

    Published in Journal of the American Chemical Society (28-06-2017)
    “…Deployment of solar fuels derived from water requires robust oxygen-evolving catalysts made from earth abundant materials. Copper has recently received much…”
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  2. 2

    Crystallization of late-stage MORB under varying water activities and redox conditions: Implications for the formation of highly evolved lavas and oxide gabbro in the ocean crust by Koepke, J., Botcharnikov, R.E., Natland, J.H.

    Published in Lithos (15-12-2018)
    “…In order to understand late magmatic processes that occur in the deep oceanic crust, we performed a phase-equilibria study in a representative late-stage…”
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  3. 3

    Wet magmatic processes during the accretion of the deep crust of the Oman Ophiolite paleoridge: Phase diagrams and petrological records by Koepke, J., Feig, S.T., Berndt, J., Neave, D.A.

    Published in Tectonophysics (20-10-2021)
    “…The Oman Ophiolite is regarded as an analogue to modern fast-spreading ocean ridge systems in an environment of subduction zone initiation. In contrast to…”
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  4. 4

    Phase Relations and Liquid Lines of Descent in Hydrous Ferrobasalt—Implications for the Skaergaard Intrusion and Columbia River Flood Basalts by Botcharnikov, R. E., Almeev, R. R., Koepke, J., Holtz, F.

    Published in Journal of petrology (01-09-2008)
    “…Crystallization experiments using a hydrous ferrobasalt as starting material, conducted at 200 MPa, 940–1200°C, at a wide range of water activities (0·1–1) and…”
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  5. 5

    Zircon record of fractionation, hydrous partial melting and thermal gradients at different depths in oceanic crust (ODP Site 735B, South-West Indian Ocean) by Pietranik, A., Storey, C., Koepke, J., Lasalle, S.

    Published in Contributions to mineralogy and petrology (01-03-2017)
    “…Felsic veins (plagiogranites) are distributed throughout the whole oceanic crust section and offer insight into late-magmatic/high temperature hydrothermal…”
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  6. 6

    The rising tide of opioid use and abuse: the role of the anesthesiologist by Koepke, Elena J, Manning, Erin L, Miller, Timothy E, Ganesh, Arun, Williams, David G A, Manning, Michael W

    Published in Perioperative medicine (London) (03-07-2018)
    “…Opioid use has risen dramatically in the past three decades. In the USA, opioid overdose has become a leading cause of unintentional death, surpassing motor…”
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  7. 7

    Inducing Electronic Changes in Graphene through Silicon (100) Substrate Modification by Xu, Y, He, K. T, Schmucker, S. W, Guo, Z, Koepke, J. C, Wood, J. D, Lyding, J. W, Aluru, N. R

    Published in Nano letters (13-07-2011)
    “…We have performed scanning tunneling microscopy and spectroscopy (STM/STS) measurements as well as ab initio calculations for graphene monolayers on clean and…”
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  8. 8

    All-optical lithography process for contacting nanometer precision donor devices by Ward, D. R., Marshall, M. T., Campbell, D. M., Lu, T. M., Koepke, J. C., Scrymgeour, D. A., Bussmann, E., Misra, S.

    Published in Applied physics letters (06-11-2017)
    “…We describe an all-optical lithography process that can make electrical contact to nanometer-precision donor devices fabricated in silicon using scanning…”
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  9. 9

    The effect of water activity on the oxidation and structural state of Fe in a ferro-basaltic melt by Botcharnikov, R.E., Koepke, J., Holtz, F., McCammon, C., Wilke, M.

    Published in Geochimica et cosmochimica acta (01-11-2005)
    “…Experimental investigations have been performed at T = 1200°C, P = 200 MPa and fH 2 corresponding to H 2O-MnO-Mn 3O 4 and H 2O-QFM redox buffers to study the…”
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  10. 10

    Evaluation of a bioprocessed soybean meal on nursery pig performance and immune status by Koepke, J R, Kaushik, R S, Gibbons, W R, Brown, M, Levesque, C L

    Published in Journal of animal science (01-11-2017)
    “…A total of 239 pigs (initial BW 6.56 ± 0.87 kg, 21 d of age) were used in a 35-d study to investigate the effects of fish meal (FM) and spray dried plasma…”
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  11. 11

    Magma‐Mush Interactions in the Lower Oceanic Crust: Insights From Atlantis Bank Layered Series (Southwest Indian Ridge) by Boulanger, M., France, L., Ferrando, C., Ildefonse, B., Ghosh, B., Sanfilippo, A., Liu, C.‐Z., Morishita, T., Koepke, J., Bruguier, O.

    “…Magma migration and differentiation processes are key to understanding the development and evolution of oceanic magma reservoirs. To provide new quantitative…”
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  12. 12

    Petrogenesis of oceanic plagiogranites by partial melting of gabbros: an experimental study by Koepke, J rgen, Feig, Sandrin T., Snow, Jonathan, Freise, Marcus

    Published in Contributions to mineralogy and petrology (01-01-2004)
    “…We performed hydrous partial melting experiments at shallow pressures (0.2 GPa) under slightly oxidizing conditions (NNO oxygen buffer) on oceanic cumulate…”
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  13. 13
  14. 14

    A Reference Section Through Fast‐Spread Lower Oceanic Crust, Wadi Gideah, Samail Ophiolite (Sultanate of Oman): Petrography and Petrology by Koepke, J., Garbe‐Schönberg, D., Müller, T., Mock, D., Müller, S., Nasir, S.

    “…In the absence of a complete profile through fast‐spreading modern oceanic crust, we established a reference profile through the whole paleo crust of the…”
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  15. 15

    Anatomy of a frozen axial melt lens from a fast-spreading paleo-ridge (Wadi Gideah, Oman ophiolite) by Müller, T., Koepke, J., Garbe-Schönberg, C.-D., Dietrich, M., Bauer, U., Wolff, P.E.

    Published in Lithos (01-02-2017)
    “…At fast-spreading mid-ocean ridges, axial melt lenses (AMLs) sandwiched between the sheeted dyke section and the uppermost gabbros are assumed to be the major…”
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  16. 16

    Trace element diffusion in andesitic melts: an application of synchrotron X-ray fluorescence analysis by Koepke, J., Behrens, H.

    Published in Geochimica et cosmochimica acta (01-05-2001)
    “…—We have investigated the diffusivity of trace elements in hydrous iron-free andesitic melts containing 4.5 to 5.2 wt.% water at a pressure of 500 MPa and at…”
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  17. 17

    pH Modulates the Quinone Position in the Photosynthetic Reaction Center from Rhodobacter sphaeroides in the Neutral and Charge Separated States by Koepke, Juergen, Krammer, Eva-Maria, Klingen, Astrid R., Sebban, Pierre, Ullmann, G. Matthias, Fritzsch, Günter

    Published in Journal of molecular biology (10-08-2007)
    “…The structure of the photosynthetic reaction-center from Rhodobacter sphaeroides has been determined at four different pH values (6.5, 8.0, 9.0, 10.0) in the…”
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  18. 18

    Formation of Igneous Layering in the Lower Oceanic Crust From the Samail Ophiolite, Sultanate of Oman by Mock, D., Neave, D. A., Müller, S., Garbe‐Schönberg, D., Namur, O., Ildefonse, B., Koepke, J.

    “…As the largest and best exposed example of paleo fast‐spreading oceanic crust on land, the Samail ophiolite in the Sultanate of Oman represents an ideal…”
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  19. 19

    Sulfur and chlorine solubility in Mt. Unzen rhyodacitic melt at 850 °C and 200 MPa by Botcharnikov, R.E., Behrens, H., Holtz, F., Koepke, J., Sato, H.

    Published in Chemical geology (01-12-2004)
    “…The solubilities of S and Cl have been determined at 850 °C, 200 MPa, and fO 2 ∼NNO in a rhyodacitic melt of the Unzen volcano in equilibrium with a fluid…”
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  20. 20

    Systems of Care Delivery and Optimization in the Preoperative Arena by Koepke, Elena J., Orr, Cheryl Hilty, Blitz, Jeanna

    Published in Anesthesiology clinics (01-12-2023)
    “…Key elements of an effective preoperative process include the following: history-taking, risk assessment, shared decision making, effective interdisciplinary…”
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