Search Results - "Dunkel, Ralf"

Modulatory effect of adenosine receptors on the ascending and descending neural reflex responses of rat ileum by Storr, Martin, Thammer, Jutta, Dunkel, Ralf, Schusdziarra, Volker, Allescher, Hans-Dieter

“…Adenosine is known to act as a neuromodulator by suppressing synaptic transmission in the central and peripheral nervous system. Both the release of adenosine…”
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Remote Vibration Estimation Using Displaced-Phase-Center Antenna SAR for Strong Clutter Environments by Campbell, Justin B., Perez, Francisco, Wang, Qi, Santhanam, Balasubramaniam, Dunkel, Ralf, Doerry, Armin W., Atwood, Thomas, Hayat, Majeed M.

“…It has been previously demonstrated that it is possible to perform remote vibrometry using synthetic aperture radar (SAR) in conjunction with the discrete…”
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Clutter Suppression via Hankel Rank Reduction for DFrFT-Based Vibrometry Applied to SAR by Perez, Francisco, Santhanam, Balu, Dunkel, Ralf, Hayat, Majeed M.

“…Hankel rank reduction (HRR) is a method that, by prearranging the data in a Hankel matrix and performing rank reduction via singular value decomposition,…”
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Reduction of Vibration-Induced Artifacts in Synthetic Aperture Radar Imagery by Qi Wang, Pepin, Matthew, Wright, Aleck, Dunkel, Ralf, Atwood, Tom, Santhanam, Balu, Gerstle, Walter, Doerry, Armin W., Hayat, Majeed M.

“…Target vibrations introduce nonstationary phase modulation, which is termed the micro-Doppler effect, into returned synthetic aperture radar (SAR) signals…”
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SAR-Based Vibration Estimation Using the Discrete Fractional Fourier Transform by Qi Wang, Pepin, M., Beach, R. J., Dunkel, R., Atwood, T., Santhanam, B., Gerstle, W., Doerry, A. W., Hayat, M. M.

“…A vibration estimation method for synthetic aperture radar (SAR) is presented based on a novel application of the discrete fractional Fourier transform…”
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Method of Measuring Ultralow Water Vapor Permeation for OLED Displays by Dunkel, R., Bujas, R., Klein, A., Horndt, V.

“…It is well known that proper encapsulation is crucial for the lifetime of organic LED (OLED) displays. With the development of better and better barrier…”
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Method of measuring ultralow water vapor permeation for OLED displays: Flexible electronics technology, Part 2: Materials & devices by DUNKEL, Ralf, BUJAS, Roko, KLEIN, Andre, HORNDT, Volker

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Asymmetric synthesis of polyacetate derived building blocks with α-oxyanion functionality. Lewis acid catalyzed opening of 2,9-dioxabicyclo[3.3.1]nonan-3-ones by Dunkel, Ralf, Hoffmann, H.M.R

“…All four stereoisomeric cyclic 3,5,7-trihydroxyheptanoic acid equivalents of the polyacetate aldol type (Scheme 1) are obtainable from…”
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Reduction of vibration-induced artifacts in synthetic-aperture-radar imagery using the fractional fourier transform by Qi Wang, Pepin, M., Dunkel, R., Atwood, T., Doerry, A. W., Santhanam, B., Gerstle, W., Hayat, M. M.

“…In synthetic aperture radar (SAR) images of objects exhibiting low-level vibrations are accompanied by localized artifacts, or ghost targets, caused by the…”
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8-oxabicyclo[3.2.1]oct-6-en-3-one as a module for the synthesis of β-alkoxy-δ-valerolactones relevant to natural products and drugs by Dunkel, Ralf, Mentzel, Matthias, Hoffmann, H.M.R.

“…The enantioselective synthesis of all four stereoisomeric cis-3,5 and trans-3,5-substituted β-alkoxy-δ-valerolactones was accomplished starting from…”
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Is patient satisfaction a unidimensional construct? Factor analysis of the Munich Patient Satisfaction Scale (MPSS-24) by Möller-Leimkühler, Anne Marie, Dunkel, Ralf, Müller, Peter, Pukies, Guido, de Fazio, Sarino, Lehmann, Erlo

“…Although patients' satisfaction with treatment has gained much attention, conceptual and methodological issues are not sufficiently investigated. Consequently,…”
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A new method for measuring ultra-low water-vapor permeation for OLED displays by Dunkel, Ralf, Bujas, Roko, Klein, Andre, Horndt, Volker

“…— It is well known that proper encapsulation is crucial for the lifetime of organic light‐emit‐ting‐diode (OLED) displays. With the development of increasingly…”
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The Total Synthesis of C-Glycosides with Completely Resolved Seven-Carbon Backbone Polyol Stereochemistry: Stereochemical Correlations and Access toL-Configured and Other Rare Carbohydrates by Hoffmann, H. Martin R., Dunkel, Ralf, Mentzel, Matthias, Reuter, Henning, Stark, Christian B. W.

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Synthesis of the C29–C37 segment of spongistatin 1 by Dunkel, Ralf, Treu, Jens, Hoffmann, H.Martin R

“…Starting from racemic 2α-methyl-8-oxabicyclo[3.2.1]oct-6-en-3-one the spongistatin E segment has been prepared in nine steps (2.3 steps per stereogenic center)…”
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The Total Synthesis of C-Glycosides with Completely Resolved Seven-Carbon Backbone Polyol Stereochemistry: Stereochemical Correlations and Access to L-Configured and Other Rare Carbohydrates by Hoffmann, H. Martin R., Dunkel, Ralf, Mentzel, Matthias, Reuter, Henning, Stark, Christian B. W.

“…The de novo synthesis of a full set of hydroxymethyl C‐glycosides from only two precursors is described. The seven‐carbon target molecules contain five…”
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Demonstration of target vibration estimation in synthetic aperture radar imagery by Qi Wang, Pepin, Matthew, Beach, Ryan J., Dunkel, Ralf, Atood, Tom, Doerry, Armin W., Santhanam, Balu, Gerstle, Walter, Hayat, Majeed M.

“…Synthetic-aperture radar (SAR) can be used to remotely estimate ground target vibrations by exploiting the Doppler in the returned signals. Recent studies…”
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Determination of the water content of amphiphilic liquid crystals by coulometric Karl Fischer titration by DUNKEL, RALF, HAHN, MICHAEL, BORISCH, KONSTANZE, NEUMANN, BERNHARD, RUTTINGER, HANS-HERMANN, TSCHIERSKE, CARSTEN

“…An apparatus is described, which allows the precise determination of the water content of amphiphilic liquid crystals by means of coulometric Karl Fischer…”
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