3 results on '"Anthony W. Kam"'
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2. Contributors
- Author
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Hani Abujudeh, Andreas Adam, Hassan M. Ahmad, Sun Ho Ahn, Kamran Ahrar, Morvarid Alaghmand, Agaicha Alfidja, Ahmad I. Alomari, Gennaro Ambrosanio, Soon Ghee Ang, John Frederick Angle, Gary M. Ansel, Bassel Atassi, Julien Auriol, Juan Carlos Baez, Curtis W. Bakal, Jörn Oliver Balzer, Joel E. Barbato, Brad P. Barnett, Gamal Baroud, Carlo Bartolozzi, Jason R. Bauer, Richard Arthur Baum, Kevin Walter Bell, Jacqueline A. Bello, Jennifer L. Berkeley, Michael A. Bettmann, Mario Bezzi, José I. Bilbao, Deniz Bilecen, Christoph A. Binkert, Haraldur Bjarnason, James H. Black, Francine Blei, Brian M. Block, Marc Bohner, Amman Bolia, Irene Boos, Charles F. Botti, Louis Boyer, Elena Bozzi, Peter Reynolds Bream, Rachel F. Brem, Mark F. Brodie, Allan L. Brook, Benjamin S. Brooke, Duncan Mark Brooks, Daniel B. Brown, Karen T. Brown, James P. Burnes, Patricia E. Burrows, Justin John Campbell, Colin P. Cantwell, Thierry Carreres, John A. Carrino, Lucie Cassagnes, Pascal Chabrot, Abbas Afif Chamsuddin, Richard Chang, Lakhmir S. Chawla, Hank (Han) K. Chen, Yung-Hsin Chen, Rush Hamilton Chewning, Kenneth H. Cho, Albert K. Chun, Timothy W.I. Clark, Felipe B. Collares, Luca Cova, Laura Crocetti, Charles D. Crum, T. Andrew Currier, Ferenc Czeyda-Pommersheim, Michael D. Dake, Michael David Darcy, L. Mark Dean, Thierry De Baère, Sudhen B. Desai, Alvaro A. Diano, Robert G. Dixon, Pablo D. Dominguez, Robert F. Dondelinger, Gregory J. Dubel, Clifford J. Eskey, Jan A. Eubig, Salomão Faintuch, Ronald N. Fairman, Chieh-Min Fan, Fabrizio Fanelli, Mark A. Farber, Laura M. Fayad, Peter F. Ford, Brian Funaki, Andreas Gabelmann, Dmitri A. Gagarin, Philippe Gailloud, Suvranu Ganguli, Lorenzo García-García, Vanessa L. Gates, Tony Geoghegan, Debra A. Gervais, Jean-Francois H. Geschwind, Matthew B. Gillbert, Mark F. Given, Y. Pierre Gobin, S. Nahum Goldberg, Theodore S. Grawbow, Roy K. Greenberg, Brian Grieme, Klaus D. Hagspiel, Keith W. Hamilton, Klaus A. Hausegger, Markus H. Heim, Robert C. Heng, Joshua A. Hirsch, J. Todd Hobelmann, Andrew H. Holden, Ed Horn, Oluwatoyin R. Idowu, Tiziana Ierace, Elizabeth Ann Ignacio, Zubin Irani, Roberto Izzo, James E. Jackson, Augustinus L. Jacob, Priya Jaga, Francis Joffre, Matthew S. Johnson, Chauncey T. Jones, Sanjeeva P. Kalva, Anthony W. Kam, Sridhar Kamath, Krishna Kandarpa, Jeffrey M. Katz, John A. Kaufman, Alexis D. Kelekis, Frederick S. Keller, Robert K. Kerlan, David Kessel, Verena Khan, Kanika Khanna, Neil M. Khilnani, Hyun S. Kim, Hiro Kiyosue, Sebastian Kos, Gaurav Kumar, Maxim Kupershmidt, Vineel Kurli, Jeanne M. LaBerge, Pierre-Yves Laffy, Carlos Lanciego, Elvira V. Lang, Arcangelo L. Lavanga, Leo Patrick Lawler, Judy M. Lee, Michael J. Lee, Thomas Lemettre, Riccardo Lencioni, Yean L. Lim, Robert J. Lewandowski, John J. Lewin, Curtis Allen Lewis, Changqing Li, Eleni Liapi, Rafael H. Llinas, Reinhard Loose, Stuart M. Lyon, Patrick C. Malloy, Michael J. Manzano, Marie Agnes Marachet, Jean-Baptiste Martin, Antonio Martínez-Cuesta, M. Victoria Marx, John M. Mathis, Alan H. Matsumoto, Matthew A. Mauro, Gordon McLennan, Simon J. McPherson, Hugh McSwain, Steven Greene Meranze, Todd S. Miller, Robert J. Min, Sally E. Mitchell, Stephan Moll, Jeffrey I. Mondschein, Laurel E. Moore, Jose Pablo Morales, Robert A. Morgan, Hiromu Mori, Paul R. Morrison, Stefan Müller-Hülsbeck, Kieran P.J. Murphy, Timothy P. Murphy, Mario Muto, Aravinda Nanjundappa, Juan C. Narvaez, Rodrigo Gomes Do Nascimento, Albert A. Nemcek, Ali Noor, Luigi Novelli, Gianluigi Orgera, Philippe Otal, Randall P. Owen, Aalpen A. Patel, Sandra Pauls, Monica Smith Pearl, Giuseppe Pelle, Olivier Pellerin, Daniel Picus, Jeffrey S. Pollak, Rupert Horst Portugaller, Batya R. Radzik, Suman W. Rathbun, Anne Ravel, Charles E. Ray, Mahmood K. Razavi, Howard A. Riina, Anne Roberts, Alain Roche, Eric E. Roselli, Robert J. Rosen, Plinio Rossi, Hervé Rousseau, Stefan G. Ruehm, Diego San Millán Ruíz, John H. Rundback, Wael E.A. Saad, Tarun Sabharwal, Gloria Maria Martinez Salazar, John Vito Salerno, Riad Salem, Marc R. Sapoval, Shawn N. Sarin, Sanjiv Sharma, Ashot Shekoyan, Ji Hoon Shin, Naomi N. Silva, Stuart G. Silverman, Charan Kamal Singh, Constantinos T. Sofocleous, Luigi Solbiati, Stephen B. Solomon, Ho-Young Song, Kean H. Soon, Thomas A. Sos, Michael C. Soulen, James B. Spies, M.J. Bernadette Stallmeyer, Joseph M. Stavas, LeAnn Simmons Stokes, Ernst-Peter Strecker, Michael B. Streiff, Deepak Sudheendra, Walter A. Tan, Elizabeth R. Tang, Mahsa R. Tehrani, Mathew M. Thompson, Kenneth R. Thompson, Gina D. Tran, Scott O. Trerotola, David Trost, Nirman Tulsyan, Kemal Tuncali, Ulku Cenk Turba, Renan Uflacker, Eric van Sonnenberg, Prasanna Vasudevan, Anthony C. Venbrux, Tom Vesely, Bogdan Vierasu, Rachel L. Vile, Isabel Vivas, Dierk Vorwerk, David L. Waldman, Michael J. Wallace, Anthony F. Watkinson, Peter N. Waybill, Joshua L. Weintraub, Robert I. White, Mark H. Wholey, Bradford D. Winters, Robert Wityk, Edward Y. Woo, Bradford J. Wood, Gerald M. Wyse, Albert J. Yoo, Chang Jin Yoon, Rex C. Yung, Soraya Zaid, Steven M. Zangan, Grace M. Zawistowski, Fabio Zeccolini, Eberhard Zeitler, Dianbo Zhang, Gregg H. Zoarski, and Christoph L. Zollikofer
- Published
- 2010
3. Quantitative analysis of adiabatic fast passage for steady laminar and turbulent flows
- Author
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Anthony W. Kam, H. Michael Gach, Eric D. Reid, and S. Lalith Talagala
- Subjects
Turbulence ,Laminar flow ,Mechanics ,Magnetic Resonance Imaging ,Volumetric flow rate ,Nonlinear system ,Nuclear magnetic resonance ,Amplitude ,Flow velocity ,Duty cycle ,Image Processing, Computer-Assisted ,Humans ,Radiology, Nuclear Medicine and imaging ,Spin Labels ,Adiabatic process ,Blood Flow Velocity ,Mathematics - Abstract
Adiabatic fast passage (AFP) is used in noninvasive quantitative perfusion experiments to invert (or label) arterial spins. Continuous arterial spin labeling (CASL) experiments conducted in vivo often assume the inversion efficiency based on the labeling field and steady flow conditions, without direct verification. In practice, the labeling field used in CASL is often amplitude- and duty cycle-limited due to hardware or specific absorption rate constraints. In this study, the effects of the labeling field amplitude and duty cycle, and flow dynamics on the inversion efficiency of AFP were examined under steady flow conditions in a saline flow phantom. The experimental results were in general agreement with models based on Zhernovoi's theory except at high labeling field amplitudes, when the spin inversion times are at least half of the duration of the labeling pulse. The nonlinear relation observed between the inversion efficiency and the labeling duty cycle implies that the practice of linear derating the inversion efficiency with the labeling duty cycle may be prone to significant error. A secondary finding was that the T1 of the flowing fluid could be calculated based on the flow dynamics after varying the flow rate.
- Published
- 2002
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