Search Results - "Afeworki, M"

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    Extra-large pore zeolite (ITQ-40) with the lowest framework density containing double four- and double three-rings by Corma, A., Díaz-Cabañas, M. J., Jiang, J., Afeworki, M., Dorset, D. L., Soled, S. L., Strohmaier, K. G., Davis, Mark E.

    “…The first zeolite structure (ITQ-40) that contains double four (D4) and double three (D3) member ring secondary building units has been synthesized by…”
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    Asphaltene Molecular Structure and Chemical Influences on the Morphology of Coke Produced in Delayed Coking by Siskin, M, Kelemen, S. R, Eppig, C. P, Brown, L. D, Afeworki, M

    Published in Energy & fuels (01-05-2006)
    “…The average chemical structure of asphaltenes present in a vacuum resid feed is related to the morphology of the coke that is produced in a delayed coker (shot…”
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    Thermal Transformations of Nitrogen and Sulfur Forms in Peat Related to Coalification by Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Kwiatek, P. J, Sansone, M, Walters, C. C, Cohen, A. D

    Published in Energy & fuels (15-03-2006)
    “…The chemical pathways for nitrogen and sulfur transformations during coalification are elucidated by comparing the chemical forms of unaltered peats, lignites,…”
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    Synthesis and Characterization of a New Microporous Material. 1. Structure of Aluminophosphate EMM-3 by Afeworki, Mobae, Dorset, Douglas L, Kennedy, Gordon J, Strohmaier, Karl G

    Published in Chemistry of materials (21-03-2006)
    “…Molecular sieves are extensively used in the chemical and petrochemical industry as catalysts, absorbents, and ion exchangers. New molecular sieve structures…”
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    Structure of an aluminophosphate EMM-8: a multi-technique approach by Cao, Guang, Afeworki, Mobae, Kennedy, Gordon J., Strohmaier, Karl G., Dorset, Douglas L.

    “…The crystal structure of an aluminophosphate, EMM‐8 (ExxonMobil Material #8), was determined in its calcined, anhydrous form from synchrotron powder…”
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    Parallel Coil Resonators for Time-Domain Radiofrequency Electron Paramagnetic Resonance Imaging of Biological Objects by Devasahayam, N, Subramanian, S, Murugesan, R, Cook, J.A, Afeworki, M, Tschudin, R.G, Mitchell, J.B, Krishna, M.C

    Published in Journal of magnetic resonance (1997) (01-01-2000)
    “…Resonators suitable for time-domain electron paramagnetic resonance spectroscopy and imaging at a radiofrequency capable of accommodating experimental animals…”
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    Direct Characterization of Kerogen by X-ray and Solid-State 13C Nuclear Magnetic Resonance Methods by Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Sansone, M, Kwiatek, P. J, Walters, C. C, Freund, H, Siskin, M, Bence, A. E, Curry, D. J, Solum, M, Pugmire, R. J, Vandenbroucke, M, Leblond, M, Behar, F

    Published in Energy & fuels (16-05-2007)
    “…A combination of solid-state 13C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are used to…”
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    Characterization of Organically Bound Oxygen Forms in Lignites, Peats, and Pyrolyzed Peats by X-ray Photoelectron Spectroscopy (XPS) and Solid-State 13C NMR Methods by Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Cohen, A. D

    Published in Energy & fuels (20-11-2002)
    “…A combination of XPS and solid-state 13C NMR techniques have been used to characterize organic oxygen species and carbon chemical/structural features in peats,…”
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    High-Speed Data Acquisition System and Receiver Configurations for Time-Domain Radiofrequency Electron Paramagnetic Resonance Spectroscopy and Imaging by Subramanian, S., Murugesan, R., Devasahayam, N., Cook, J.A., Afeworki, M., Pohida, T., Tschudin, R.G., Mitchell, J.B., Krishna, M.C.

    Published in Journal of magnetic resonance (1997) (01-04-1999)
    “…Design strategies, system configuration, and operation of a dual-channel data acquisition system for a radiofrequency (RF) time-domain electron paramagnetic…”
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    Direct Characterization of Kerogen by X-ray and Solid-State [superscript 13]C Nuclear Magnetic Resonance Methods by Kelemen, S. R., Afeworki, M., Gorbaty, M.L., Sansone, M., Kwiatek, P.J., Walters, C.C., Freund, H., Siskin, M., Bence, A.E., Curry, D.J., Solum, M., Pugmire, R.J., Vandenbroucke, M., Leblond, M., Behar, F.

    Published in Energy & fuels (12-06-2008)
    “…A combination of solid-state {sup 13}C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are…”
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    XPS and 15N NMR Study of Nitrogen Forms in Carbonaceous Solids by Kelemen, S. R, Afeworki, M, Gorbaty, M. L, Kwiatek, P. J, Solum, M. S, Hu, J. Z, Pugmire, R. J

    Published in Energy & fuels (20-11-2002)
    “…A combination of XPS and solid-state 15N NMR have been used to characterize the nitrogen forms in a variety of different carbonaceous samples having high…”
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    Supported Ionic Liquid Catalysis − A New Concept for Homogeneous Hydroformylation Catalysis by Mehnert, Christian P, Cook, Raymond A, Dispenziere, Nicholas C, Afeworki, Mobae

    Published in Journal of the American Chemical Society (06-11-2002)
    “…The new concept of supported ionic liquid catalysis involves the surface of a support material that is modified with a monolayer of covalently attached ionic…”
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    In vivo electron paramagnetic resonance imaging of tumor heterogeneity and oxygenation in a murine model by KUPPUSAMY, P, AFEWORKI, M, SHANKAR, R. A, COFFIN, D, KRISHNA, M. C, HAHN, S. M, MITCHELL, J. B, ZWEIER, J. L

    Published in Cancer research (Chicago, Ill.) (01-04-1998)
    “…Nitroxides are redox-sensitive probes, which are useful in noninvasively delineating tissue heterogeneity especially with respect to metabolic activity and…”
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  14. 14

    Synthesis and Characterization of a New Microporous Material. 2. AlPO and SAPO Forms of EMM-3 by Afeworki, Mobae, Kennedy, Gordon J, Dorset, Douglas L, Strohmaier, Karl G

    Published in Chemistry of materials (21-03-2006)
    “…A new aluminophosphate (AlPO) material, EMM-3, was recently synthesized at ExxonMobil. EMM-3, ExxonMobil material no. 3, was synthesized in both the AlPO- and…”
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    Direct Characterization of Kerogen by X-ray and Solid-State 13 C Nuclear Magnetic Resonance Methods by Kelemen, S. R., Afeworki, M., Gorbaty, M. L., Sansone, M., Kwiatek, P. J., Walters, C. C., Freund, H., Siskin, M., Bence, A. E., Curry, D. J., Solum, M., Pugmire, R. J., Vandenbroucke, M., Leblond, M., Behar, F.

    Published in Energy & fuels (09-07-2007)
    “…A combination of solid-state {sup 13}C NMR, X-ray photoelectron spectroscopy (XPS) and sulfur X-ray absorption near edge structure (S-XANES) techniques are…”
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    Selective observation of the interface of heterogeneous polycarbonate/polystyrene blends by dynamic nuclear polarization carbon-13 NMR spectroscopy by Afeworki, Mobae, McKay, Robert A, Schaefer, Jacob

    Published in Macromolecules (01-08-1992)
    “…Heterogeneous blends of \3,3'- exp 13 C sub 2 \ polycarbonate and \ul-ring- exp 12 C sub 6 \ polystyrene were formed by serial film casting. The polystyrene…”
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    Multifunctional antioxidant activity of HBED iron chelator by Samuni, Ayelet M., Afeworki, Mobae, Stein, William, Yordanov, Alexander T., DeGraff, William, Krishna, Murali C., Mitchell, James B., Brechbiel, Martin W.

    Published in Free radical biology & medicine (15-01-2001)
    “…The use of N,N′-bis (2-hydroxybenzyl) ethylenediamine-N,N′-diacetic acid (HBED) for iron chelation therapy is currently being tested. Besides its affinity for…”
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