1000 resultados para 14-140A
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Comprend aussi une enveloppe
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Comprend aussi une enveloppe
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Motor Vehicle Crash Fatalities
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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Full signal intensity (1)H-[(13)C] NMR spectroscopy, combining a preceding (13)C-editing block based on an inversion BISEP (B(1)-insensitive spectral editing pulse) with a spin-echo coherence-based localization, was developed and implemented at 14.1 T. (13)C editing of the proposed scheme was achieved by turning on and off the (13)C adiabatic full passage in the (13)C-editing block to prepare inverted and noninverted (13)C-coupled (1)H coherences along the longitudinal axis prior to localization. The novel (1)H-[(13)C] NMR approach was applied in vivo under infusion of the glia-specific substrate [2-(13)C] acetate. Besides a approximately 50% improvement in sensitivity, spectral dispersion was enhanced at 14.1 T, especially for J-coupled metabolites such as glutamate and glutamine. A more distinct spectral structure at 1.9-2.2 ppm(parts per million) was observed, e.g., glutamate C3 showed a doublet pattern in both simulated (1)H spectrum and in vivo (13)C-edited (1)H NMR spectra. Besides (13)C time courses of glutamate C4 and glutamine C4, the time courses of glutamate C3 and glutamine C3 obtained by (1)H-[(13)C] NMR spectroscopy were reported for the first time. Such capability should greatly improve the ability to study neuron-glial metabolism using (1)H-observed (13)C-edited NMR spectroscopy.
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Comprend aussi une enveloppe
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A bi-weekly newsletter for those involved in the fields of homeland security and/or emergency management
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Report on a review of selected general and application controls over the State University of Iowa BuildUI System for the period June 14, 2010 through July 19, 2010
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Iowa Efficiency Review Report identified 90 recommendations for improving the cost effectiveness and efficiency of delivering state government services.