Search Results - "Nehrke, K"

Toward individualized SAR models and in vivo validation by Homann, H., Börnert, P., Eggers, H., Nehrke, K., Dössel, O., Graesslin, I.

“…The specific absorption rate (SAR) is a limiting constraint in sequence design for high‐field MRI. SAR estimation is typically performed by numerical…”
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Free-breathing whole-heart coronary MRA with 3D radial SSFP and self-navigated image reconstruction by Stehning, C., Börnert, P., Nehrke, K., Eggers, H., Stuber, M.

“…Respiratory motion is a major source of artifacts in cardiac magnetic resonance imaging (MRI). Free‐breathing techniques with pencil‐beam navigators…”
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Intestinal Ca2+ wave dynamics in freely moving C. elegans coordinate execution of a rhythmic motor program by Nehrke, K, Denton, Jerod, Mowrey, William

“…Defecation in the nematode worm Caenorhabditis elegans is a highly rhythmic behavior that is regulated by a Ca(2+) wave generated in the 20 epithelial cells of…”
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Fast isotropic volumetric coronary MR angiography using free-breathing 3D radial balanced FFE acquisition by Stehning, C., Börnert, P., Nehrke, K., Eggers, H., Dössel, O.

“…A shortcoming of current coronary MRA methods with thin‐slab 3D acquisitions is the time‐consuming examination necessitated by extensive scout scanning and…”
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Analysis of residual coronary artery motion for breath hold and navigator approaches using real-time coronary MRI by Fischer, R. W., Botnar, R. M., Nehrke, K., Boesiger, P., Manning, W. J., Peters, D. C.

“…Coronary artery MRI methods utilize breath holds, or diaphragmatic navigators, to compensate for respiratory motion. To increase image quality and navigator…”
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Free-breathing cardiac MR imaging: study of implications of respiratory motion--initial results by Nehrke, K, Börnert, P, Manke, D, Böck, J C

“…The respiratory motion of several anatomic regions (right hemidiaphragm, left ventricle of the heart, chest wall, abdominal wall) was investigated during free…”
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Free breathing 3D balanced FFE coronary magnetic resonance angiography with prolonged cardiac acquisition windows and intra-RR motion correction by Stehning, C., Börnert, P., Nehrke, K., Dössel, O.

“…A shortcoming of today's coronary magnetic resonance angiography (MRA) is its low total scan efficiency (<5%), as only small well‐defined fractions of the…”
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Model evaluation and calibration for prospective respiratory motion correction in coronary MR angiography based on 3-D image registration by Manke, D., Rosch, P., Nehrke, K., Bornert, P., Dossel, O.

“…Image processing was used as a fundamental tool to derive motion information from magnetic resonance (MR) images, which was fed back into prospective…”
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3D motion adapted gating (3D MAG): a new navigator technique for accelerated acquisition of free breathing navigator gated 3D coronary MR-angiography by Hackenbroch, M, Nehrke, K, Gieseke, J, Meyer, C, Tiemann, K, Litt, H, Dewald, O, Naehle, C P, Schild, H, Sommer, T

“…This study aimed to evaluate the influence of a new navigator technique (3D MAG) on navigator efficiency, total acquisition time, image quality and diagnostic…”
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A Reduction in Intestinal Cell pH Due to Loss of the Caenorhabditis elegans Na+/H+ Exchanger NHX-2 Increases Life Span by Nehrke, Keith

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Efficient foldover suppression using SENSE by Winkelmann, R, Börnert, P, Nehrke, K, Dössel, O

“…Parallel imaging techniques, which in principle represent procedures of unfolding a reduced dataset, are well known and well established in MR imaging. This…”
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MR coronary artery imaging with 3D motion adapted gating (MAG) in comparison to a standard prospective navigator technique by Langreck, H, Schnackenburg, B, Nehrke, K, Boernert, P, Wahl, A, Paetsch, I, Bornstedt, A, Fleck, E, Nagel, Eike

“…Magnetic resonance coronary angiography (MRCA) has been proven to be feasible for imaging of the proximal and medial portions of the three main coronary…”
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Determination of Electric Conductivity and Local SAR Via B1 Mapping by Katscher, Ulrich, Voigt, Tobias, Findeklee, Christian, Vernickel, Peter, Nehrke, Kay, DÖssel, Olaf

“…The electric conductivity can potentially be used as an additional diagnostic parameter, e.g., in tumor diagnosis. Moreover, the electric conductivity, in…”
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Fndc-1 contributes to paternal mitochondria elimination in C. elegans by Lim, Yunki, Rubio-Peña, Karinna, Sobraske, Peter J., Molina, Paola A., Brookes, Paul S., Galy, Vincent, Nehrke, Keith

“…Paternal mitochondria are eliminated following fertilization by selective autophagy, but the mechanisms that restrict this process to sperm-derived organelles…”
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Isoform-specific O-glycosylation by murine UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase-T3, in vivo by Nehrke, Keith, Hagen, Fred K., Tabak, Lawrence A.

“…Multiple isoforms of UDP-GalNAc:polypeptide N-acetylgalactosaminyl- transferase (ppGaNTase) have been cloned and expressed from a variety of organisms. In…”
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Yeast tRNA ligase mutants are nonviable and accumulate tRNA splicing intermediates by Phizicky, E.M. (California Institute of Technology, Pasadena, CA), Consaul, S.A, Nehrke, K.W, Abelson, J

“…We show here that yeast tRNA ligase protein is essential in the cell and participates in joining together tRNA half-molecules resulting from excision of the…”
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A quaternary transcription termination complex. Reciprocal stabilization by Rho factor and NusG protein by Nehrke, K W, Platt, T

“…The Escherichia coli protein NusG is known to modulate Rho-dependent transcription termination in vivo. We have shown that it can also alter the pattern of…”
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Nehrke and Pieper Reply by Nehrke, K, Pieper, MW

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Rapid and complete coronary arterial tree visualization with magnetic resonance imaging: feasibility and diagnostic performance by Jahnke, Cosima, Paetsch, Ingo, Nehrke, Kay, Schnackenburg, Bernhard, Gebker, Rolf, Fleck, Eckart, Nagel, Eike

“…Aims Current imaging of the coronary arteries with magnetic resonance coronary angiography (MRCA) is restricted to limited coverage of the coronary arterial…”
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Overproduced rho factor from p39AS has lysine replacing glutamic acid at residue 155 in the linker region between its RNA and ATP binding domains by Nehrke, Keith W., Seifried, Steven E., Platt, Terry

“…We have corrected the error in the p39AS vector, reintroducing a lysine at position 155 by site-directed mutagenesis and confirming by sequence analysis the…”
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