17 results
A framework for future national pediatric pandemic respiratory disease severity triage: The HHS pediatric COVID-19 data challenge
- Timothy Bergquist, Marie Wax, Tellen D. Bennett, Richard A. Moffitt, Jifan Gao, Guanhua Chen, Amalio Telenti, M. Cyrus Maher, Istvan Bartha, Lorne Walker, Benjamin E. Orwoll, Meenakshi Mishra, Joy Alamgir, Bruce L. Cragin, Christopher H. Ferguson, Hui-Hsing Wong, Anne Deslattes Mays, Leonie Misquitta, Kerry A. DeMarco, Kimberly L. Sciarretta, Sandeep A. Patel
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- Journal:
- Journal of Clinical and Translational Science / Volume 7 / Issue 1 / 2023
- Published online by Cambridge University Press:
- 10 July 2023, e175
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Introduction:
With persistent incidence, incomplete vaccination rates, confounding respiratory illnesses, and few therapeutic interventions available, COVID-19 continues to be a burden on the pediatric population. During a surge, it is difficult for hospitals to direct limited healthcare resources effectively. While the overwhelming majority of pediatric infections are mild, there have been life-threatening exceptions that illuminated the need to proactively identify pediatric patients at risk of severe COVID-19 and other respiratory infectious diseases. However, a nationwide capability for developing validated computational tools to identify pediatric patients at risk using real-world data does not exist.
Methods:HHS ASPR BARDA sought, through the power of competition in a challenge, to create computational models to address two clinically important questions using the National COVID Cohort Collaborative: (1) Of pediatric patients who test positive for COVID-19 in an outpatient setting, who are at risk for hospitalization? (2) Of pediatric patients who test positive for COVID-19 and are hospitalized, who are at risk for needing mechanical ventilation or cardiovascular interventions?
Results:This challenge was the first, multi-agency, coordinated computational challenge carried out by the federal government as a response to a public health emergency. Fifty-five computational models were evaluated across both tasks and two winners and three honorable mentions were selected.
Conclusion:This challenge serves as a framework for how the government, research communities, and large data repositories can be brought together to source solutions when resources are strapped during a pandemic.
Remnant radio galaxies discovered in a multi-frequency survey
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- Benjamin Quici, Natasha Hurley-Walker, Nicholas Seymour, Ross J. Turner, Stanislav S. Shabala, Minh Huynh, H. Andernach, Anna D. Kapińska, Jordan D. Collier, Melanie Johnston-Hollitt, Sarah V. White, Isabella Prandoni, Timothy J. Galvin, Thomas Franzen, C. H. Ishwara-Chandra, Sabine Bellstedt, Steven J. Tingay, Bryan M. Gaensler, Andrew O’Brien, Johnathan Rogers, Kate Chow, Simon Driver, Aaron Robotham
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- Journal:
- Publications of the Astronomical Society of Australia / Volume 38 / 2021
- Published online by Cambridge University Press:
- 09 February 2021, e008
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The remnant phase of a radio galaxy begins when the jets launched from an active galactic nucleus are switched off. To study the fraction of radio galaxies in a remnant phase, we take advantage of a $8.31$ deg$^2$ subregion of the GAMA 23 field which comprises of surveys covering the frequency range 0.1–9 GHz. We present a sample of 104 radio galaxies compiled from observations conducted by the Murchison Widefield Array (216 MHz), the Australia Square Kilometer Array Pathfinder (887 MHz), and the Australia Telescope Compact Array (5.5 GHz). We adopt an ‘absent radio core’ criterion to identify 10 radio galaxies showing no evidence for an active nucleus. We classify these as new candidate remnant radio galaxies. Seven of these objects still display compact emitting regions within the lobes at 5.5 GHz; at this frequency the emission is short-lived, implying a recent jet switch off. On the other hand, only three show evidence of aged lobe plasma by the presence of an ultra-steep-spectrum ($\alpha<-1.2$) and a diffuse, low surface brightness radio morphology. The predominant fraction of young remnants is consistent with a rapid fading during the remnant phase. Within our sample of radio galaxies, our observations constrain the remnant fraction to $4\%\lesssim f_{\mathrm{rem}} \lesssim 10\%$; the lower limit comes from the limiting case in which all remnant candidates with hotspots are simply active radio galaxies with faint, undetected radio cores. Finally, we model the synchrotron spectrum arising from a hotspot to show they can persist for 5–10 Myr at 5.5 GHz after the jets switch of—radio emission arising from such hotspots can therefore be expected in an appreciable fraction of genuine remnants.
Innovation in Urban Transit at the Start of the Twentieth Century: A Case Study of Metropolitan Street Railway’s Stealth Hostile Takeover of Third Avenue Railroad
- TIMOTHY A. KRUSE, STEVEN KYLE TODD, MARK D. WALKER
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- Journal:
- Enterprise & Society / Volume 23 / Issue 2 / June 2022
- Published online by Cambridge University Press:
- 28 October 2020, pp. 357-407
- Print publication:
- June 2022
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In 1900, a syndicate of investors used open market purchases and manipulative trading strategies to exploit an ongoing financial crisis at the Third Avenue Railroad Company and stealthily gain control of the company. The acquisition occurred during the first great merger wave in U.S. history and represented the street railway industry’s response to a new technology, namely electrification. The lax regulatory environment of the period allowed operators and insiders to profit handsomely and may have benefited consumers, but possibly harmed some minority shareholders. Our case study illuminates an unusual acquisition, when capital markets were less transparent.
Behavior of sulfentrazone in ionic exchange resins, electrophoresis gels, and cation-saturated soils
- Timothy L. Grey, Robert H. Walker, Glenn R. Wehtje, James Adams, Jr., Franck E. Dayan, John D. Weete, H. Gary Hancock, Ohyun Kwon
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- Journal:
- Weed Science / Volume 48 / Issue 2 / April 2000
- Published online by Cambridge University Press:
- 20 January 2017, pp. 239-247
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Sulfentrazone persistence in soil requires many crop rotational restrictions. The sorption and mobility of sulfentrazone play an important role in its soil persistence. Thus, a series of laboratory experiments were conducted to mimic the soil properties of cation and anion exchange with different intermediates. The molecular characterization and ionization shift of sulfentrazone from a neutral molecule to an anion were determined using a three-dimensional graphing technique and titration curve, respectively. Sorption and mobility of 2.6 × 10−5 M 14C-sulfentrazone were evaluated using a soil solution technique with ion exchange resins and polyacrylamide gel electrophoresis, respectively. Solution pH ranged from 4.0 to 7.4. As pH increased, sulfentrazone sorption to an anion resin increased and its sorption to a cation resin decreased. Percent sulfentrazone in solution was pH-dependent and ranged between 0 to 18% and 54 to 88% for the anion and cation resins, respectively. Mobility of sulfentrazone on a 20% polyacryalmide gel resulted in Rf values of +0.02 and +0.39 for pH of 4.0 and 7.4, respectively. A double peak for sulfentrazone was detected in the polyacrylamide gel when the pH (6.0 and 6.8) was near the reported pKa of 6.56. There was no clear interaction for the sorption of sulfentrazone at 1.0 mg kg−1 to Congaree loamy sand or Decatur silty clay loam saturated with either calcium or potassium. Sulfentrazone behavior with the polyacrylamide electrophoresis gels and ion resins indicate the potential for this herbicide to occur as a polar or Zwitter ion. Sulfentrazone was adsorbed by potassium, calcium, and sodium saturated resins and subsequently desorbed using variable pH solutions. The level of sulfentrazone adsorption will vary among soil types and the amount of desorption into solution may be soil cation-dependent.
Contrasts in the response of adjacent fjords and glaciers to ice-sheet surface melt in West Greenland
- Timothy C. Bartholomaus, Leigh A. Stearns, David A. Sutherland, Emily L. Shroyer, Jonathan D. Nash, Ryan T. Walker, Ginny Catania, Denis Felikson, Dustin Carroll, Mason J. Fried, Brice P. Y. Noël, Michiel R. Van Den Broeke
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- Journal:
- Annals of Glaciology / Volume 57 / Issue 73 / September 2016
- Published online by Cambridge University Press:
- 20 May 2016, pp. 25-38
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Neighboring tidewater glaciers often exhibit asynchronous dynamic behavior, despite relatively uniform regional atmospheric and oceanic forcings. This variability may be controlled by a combination of local factors, including glacier and fjord geometry, fjord heat content and circulation, and glacier surface melt. In order to characterize and understand contrasts in adjacent tidewater glacier and fjord dynamics, we made coincident ice-ocean-atmosphere observations at high temporal resolution (minutes to weeks) within a 10 000 km2 area near Uummannaq, Greenland. Water column velocity, temperature and salinity measurements reveal systematic differences in neighboring fjords that imply contrasting circulation patterns. The observed ocean velocity and hydrography, combined with numerical modeling, suggest that subglacial discharge plays a major role in setting fjord conditions. In addition, satellite remote sensing of seasonal ice flow speed and terminus position reveal both speedup and slow-down in response to melt, as well as differences in calving style among the neighboring glaciers. Glacier force budgets and modeling also point toward subglacial discharge as a key factor in glacier behavior. For the studied region, individual glacier and fjord geometry modulate subglacial discharge, which leads to contrasts in both fjord and glacier dynamics.
Extinctions in a model taxonomic hierarchy
- James W. Valentine, Timothy D. Walker
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- Journal:
- Paleobiology / Volume 13 / Issue 2 / Spring 1987
- Published online by Cambridge University Press:
- 08 April 2016, pp. 193-207
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A computer model of background and mass extinctions in a taxonomic hierarchy has been used to study the effects of different extinction patterns in a search for clues as to the causes of actual extinction events. Model taxa at four levels were built up from speciation events in adaptive space according to rules of origination which seem plausible biologically. The frequency distribution of species among the three higher taxonomic levels in the model is similar to that in living marine taxa which have good fossil records. Three mass extinction patterns were imposed on the model after species diversity had attained equilibrium (i.e., when speciation = background extinction): random; bloc (contiguous niches were cleared); and clade (all members of selected higher taxa were removed). Effects on the taxonomic profile varied with pattern. Four of the five historical mass extinctions resemble the effects of the random pattern. End-Permian families were harder hit than those in the random model, but this may be a result of an extremely high species extinction level. It is concluded that the effect of extinctions on the taxonomic hierarchy provides a tool to help in understanding extinction causes.
Contributors
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- By Mitchell Aboulafia, Frederick Adams, Marilyn McCord Adams, Robert M. Adams, Laird Addis, James W. Allard, David Allison, William P. Alston, Karl Ameriks, C. Anthony Anderson, David Leech Anderson, Lanier Anderson, Roger Ariew, David Armstrong, Denis G. Arnold, E. J. Ashworth, Margaret Atherton, Robin Attfield, Bruce Aune, Edward Wilson Averill, Jody Azzouni, Kent Bach, Andrew Bailey, Lynne Rudder Baker, Thomas R. Baldwin, Jon Barwise, George Bealer, William Bechtel, Lawrence C. Becker, Mark A. Bedau, Ernst Behler, José A. Benardete, Ermanno Bencivenga, Jan Berg, Michael Bergmann, Robert L. Bernasconi, Sven Bernecker, Bernard Berofsky, Rod Bertolet, Charles J. Beyer, Christian Beyer, Joseph Bien, Joseph Bien, Peg Birmingham, Ivan Boh, James Bohman, Daniel Bonevac, Laurence BonJour, William J. Bouwsma, Raymond D. Bradley, Myles Brand, Richard B. Brandt, Michael E. Bratman, Stephen E. Braude, Daniel Breazeale, Angela Breitenbach, Jason Bridges, David O. Brink, Gordon G. Brittan, Justin Broackes, Dan W. Brock, Aaron Bronfman, Jeffrey E. Brower, Bartosz Brozek, Anthony Brueckner, Jeffrey Bub, Lara Buchak, Otavio Bueno, Ann E. Bumpus, Robert W. Burch, John Burgess, Arthur W. Burks, Panayot Butchvarov, Robert E. Butts, Marina Bykova, Patrick Byrne, David Carr, Noël Carroll, Edward S. Casey, Victor Caston, Victor Caston, Albert Casullo, Robert L. Causey, Alan K. L. Chan, Ruth Chang, Deen K. Chatterjee, Andrew Chignell, Roderick M. Chisholm, Kelly J. Clark, E. J. Coffman, Robin Collins, Brian P. Copenhaver, John Corcoran, John Cottingham, Roger Crisp, Frederick J. Crosson, Antonio S. Cua, Phillip D. Cummins, Martin Curd, Adam Cureton, Andrew Cutrofello, Stephen Darwall, Paul Sheldon Davies, Wayne A. Davis, Timothy Joseph Day, Claudio de Almeida, Mario De Caro, Mario De Caro, John Deigh, C. F. Delaney, Daniel C. Dennett, Michael R. DePaul, Michael Detlefsen, Daniel Trent Devereux, Philip E. Devine, John M. Dillon, Martin C. Dillon, Robert DiSalle, Mary Domski, Alan Donagan, Paul Draper, Fred Dretske, Mircea Dumitru, Wilhelm Dupré, Gerald Dworkin, John Earman, Ellery Eells, Catherine Z. Elgin, Berent Enç, Ronald P. Endicott, Edward Erwin, John Etchemendy, C. Stephen Evans, Susan L. Feagin, Solomon Feferman, Richard Feldman, Arthur Fine, Maurice A. Finocchiaro, William FitzPatrick, Richard E. Flathman, Gvozden Flego, Richard Foley, Graeme Forbes, Rainer Forst, Malcolm R. Forster, Daniel Fouke, Patrick Francken, Samuel Freeman, Elizabeth Fricker, Miranda Fricker, Michael Friedman, Michael Fuerstein, Richard A. Fumerton, Alan Gabbey, Pieranna Garavaso, Daniel Garber, Jorge L. A. Garcia, Robert K. Garcia, Don Garrett, Philip Gasper, Gerald Gaus, Berys Gaut, Bernard Gert, Roger F. Gibson, Cody Gilmore, Carl Ginet, Alan H. Goldman, Alvin I. Goldman, Alfonso Gömez-Lobo, Lenn E. Goodman, Robert M. Gordon, Stefan Gosepath, Jorge J. E. Gracia, Daniel W. Graham, George A. Graham, Peter J. Graham, Richard E. Grandy, I. Grattan-Guinness, John Greco, Philip T. Grier, Nicholas Griffin, Nicholas Griffin, David A. Griffiths, Paul J. Griffiths, Stephen R. Grimm, Charles L. Griswold, Charles B. Guignon, Pete A. Y. Gunter, Dimitri Gutas, Gary Gutting, Paul Guyer, Kwame Gyekye, Oscar A. Haac, Raul Hakli, Raul Hakli, Michael Hallett, Edward C. Halper, Jean Hampton, R. James Hankinson, K. R. Hanley, Russell Hardin, Robert M. Harnish, William Harper, David Harrah, Kevin Hart, Ali Hasan, William Hasker, John Haugeland, Roger Hausheer, William Heald, Peter Heath, Richard Heck, John F. Heil, Vincent F. Hendricks, Stephen Hetherington, Francis Heylighen, Kathleen Marie Higgins, Risto Hilpinen, Harold T. Hodes, Joshua Hoffman, Alan Holland, Robert L. Holmes, Richard Holton, Brad W. Hooker, Terence E. Horgan, Tamara Horowitz, Paul Horwich, Vittorio Hösle, Paul Hoβfeld, Daniel Howard-Snyder, Frances Howard-Snyder, Anne Hudson, Deal W. Hudson, Carl A. Huffman, David L. Hull, Patricia Huntington, Thomas Hurka, Paul Hurley, Rosalind Hursthouse, Guillermo Hurtado, Ronald E. Hustwit, Sarah Hutton, Jonathan Jenkins Ichikawa, Harry A. Ide, David Ingram, Philip J. Ivanhoe, Alfred L. Ivry, Frank Jackson, Dale Jacquette, Joseph Jedwab, Richard Jeffrey, David Alan Johnson, Edward Johnson, Mark D. Jordan, Richard Joyce, Hwa Yol Jung, Robert Hillary Kane, Tomis Kapitan, Jacquelyn Ann K. Kegley, James A. Keller, Ralph Kennedy, Sergei Khoruzhii, Jaegwon Kim, Yersu Kim, Nathan L. King, Patricia Kitcher, Peter D. Klein, E. D. Klemke, Virginia Klenk, George L. Kline, Christian Klotz, Simo Knuuttila, Joseph J. Kockelmans, Konstantin Kolenda, Sebastian Tomasz Kołodziejczyk, Isaac Kramnick, Richard Kraut, Fred Kroon, Manfred Kuehn, Steven T. Kuhn, Henry E. Kyburg, John Lachs, Jennifer Lackey, Stephen E. Lahey, Andrea Lavazza, Thomas H. Leahey, Joo Heung Lee, Keith Lehrer, Dorothy Leland, Noah M. Lemos, Ernest LePore, Sarah-Jane Leslie, Isaac Levi, Andrew Levine, Alan E. Lewis, Daniel E. Little, Shu-hsien Liu, Shu-hsien Liu, Alan K. L. Chan, Brian Loar, Lawrence B. Lombard, John Longeway, Dominic McIver Lopes, Michael J. Loux, E. J. Lowe, Steven Luper, Eugene C. Luschei, William G. Lycan, David Lyons, David Macarthur, Danielle Macbeth, Scott MacDonald, Jacob L. Mackey, Louis H. Mackey, Penelope Mackie, Edward H. Madden, Penelope Maddy, G. B. Madison, Bernd Magnus, Pekka Mäkelä, Rudolf A. Makkreel, David Manley, William E. Mann (W.E.M.), Vladimir Marchenkov, Peter Markie, Jean-Pierre Marquis, Ausonio Marras, Mike W. Martin, A. P. Martinich, William L. McBride, David McCabe, Storrs McCall, Hugh J. McCann, Robert N. McCauley, John J. McDermott, Sarah McGrath, Ralph McInerny, Daniel J. McKaughan, Thomas McKay, Michael McKinsey, Brian P. McLaughlin, Ernan McMullin, Anthonie Meijers, Jack W. Meiland, William Jason Melanson, Alfred R. Mele, Joseph R. Mendola, Christopher Menzel, Michael J. Meyer, Christian B. Miller, David W. Miller, Peter Millican, Robert N. Minor, Phillip Mitsis, James A. Montmarquet, Michael S. Moore, Tim Moore, Benjamin Morison, Donald R. Morrison, Stephen J. Morse, Paul K. Moser, Alexander P. D. Mourelatos, Ian Mueller, James Bernard Murphy, Mark C. Murphy, Steven Nadler, Jan Narveson, Alan Nelson, Jerome Neu, Samuel Newlands, Kai Nielsen, Ilkka Niiniluoto, Carlos G. Noreña, Calvin G. Normore, David Fate Norton, Nikolaj Nottelmann, Donald Nute, David S. Oderberg, Steve Odin, Michael O’Rourke, Willard G. Oxtoby, Heinz Paetzold, George S. Pappas, Anthony J. Parel, Lydia Patton, R. P. Peerenboom, Francis Jeffry Pelletier, Adriaan T. Peperzak, Derk Pereboom, Jaroslav Peregrin, Glen Pettigrove, Philip Pettit, Edmund L. Pincoffs, Andrew Pinsent, Robert B. Pippin, Alvin Plantinga, Louis P. Pojman, Richard H. Popkin, John F. Post, Carl J. Posy, William J. Prior, Richard Purtill, Michael Quante, Philip L. Quinn, Philip L. Quinn, Elizabeth S. Radcliffe, Diana Raffman, Gerard Raulet, Stephen L. Read, Andrews Reath, Andrew Reisner, Nicholas Rescher, Henry S. Richardson, Robert C. Richardson, Thomas Ricketts, Wayne D. Riggs, Mark Roberts, Robert C. Roberts, Luke Robinson, Alexander Rosenberg, Gary Rosenkranz, Bernice Glatzer Rosenthal, Adina L. Roskies, William L. Rowe, T. M. Rudavsky, Michael Ruse, Bruce Russell, Lilly-Marlene Russow, Dan Ryder, R. M. Sainsbury, Joseph Salerno, Nathan Salmon, Wesley C. Salmon, Constantine Sandis, David H. Sanford, Marco Santambrogio, David Sapire, Ruth A. Saunders, Geoffrey Sayre-McCord, Charles Sayward, James P. Scanlan, Richard Schacht, Tamar Schapiro, Frederick F. Schmitt, Jerome B. Schneewind, Calvin O. Schrag, Alan D. Schrift, George F. Schumm, Jean-Loup Seban, David N. Sedley, Kenneth Seeskin, Krister Segerberg, Charlene Haddock Seigfried, Dennis M. Senchuk, James F. Sennett, William Lad Sessions, Stewart Shapiro, Tommie Shelby, Donald W. Sherburne, Christopher Shields, Roger A. Shiner, Sydney Shoemaker, Robert K. Shope, Kwong-loi Shun, Wilfried Sieg, A. John Simmons, Robert L. Simon, Marcus G. Singer, Georgette Sinkler, Walter Sinnott-Armstrong, Matti T. Sintonen, Lawrence Sklar, Brian Skyrms, Robert C. Sleigh, Michael Anthony Slote, Hans Sluga, Barry Smith, Michael Smith, Robin Smith, Robert Sokolowski, Robert C. Solomon, Marta Soniewicka, Philip Soper, Ernest Sosa, Nicholas Southwood, Paul Vincent Spade, T. L. S. Sprigge, Eric O. Springsted, George J. Stack, Rebecca Stangl, Jason Stanley, Florian Steinberger, Sören Stenlund, Christopher Stephens, James P. Sterba, Josef Stern, Matthias Steup, M. A. Stewart, Leopold Stubenberg, Edith Dudley Sulla, Frederick Suppe, Jere Paul Surber, David George Sussman, Sigrún Svavarsdóttir, Zeno G. Swijtink, Richard Swinburne, Charles C. Taliaferro, Robert B. Talisse, John Tasioulas, Paul Teller, Larry S. Temkin, Mark Textor, H. S. Thayer, Peter Thielke, Alan Thomas, Amie L. Thomasson, Katherine Thomson-Jones, Joshua C. Thurow, Vzalerie Tiberius, Terrence N. Tice, Paul Tidman, Mark C. Timmons, William Tolhurst, James E. Tomberlin, Rosemarie Tong, Lawrence Torcello, Kelly Trogdon, J. D. Trout, Robert E. Tully, Raimo Tuomela, John Turri, Martin M. Tweedale, Thomas Uebel, Jennifer Uleman, James Van Cleve, Harry van der Linden, Peter van Inwagen, Bryan W. Van Norden, René van Woudenberg, Donald Phillip Verene, Samantha Vice, Thomas Vinci, Donald Wayne Viney, Barbara Von Eckardt, Peter B. M. Vranas, Steven J. Wagner, William J. Wainwright, Paul E. Walker, Robert E. Wall, Craig Walton, Douglas Walton, Eric Watkins, Richard A. Watson, Michael V. Wedin, Rudolph H. Weingartner, Paul Weirich, Paul J. Weithman, Carl Wellman, Howard Wettstein, Samuel C. Wheeler, Stephen A. White, Jennifer Whiting, Edward R. Wierenga, Michael Williams, Fred Wilson, W. Kent Wilson, Kenneth P. Winkler, John F. Wippel, Jan Woleński, Allan B. Wolter, Nicholas P. Wolterstorff, Rega Wood, W. Jay Wood, Paul Woodruff, Alison Wylie, Gideon Yaffe, Takashi Yagisawa, Yutaka Yamamoto, Keith E. Yandell, Xiaomei Yang, Dean Zimmerman, Günter Zoller, Catherine Zuckert, Michael Zuckert, Jack A. Zupko (J.A.Z.)
- Edited by Robert Audi, University of Notre Dame, Indiana
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- Book:
- The Cambridge Dictionary of Philosophy
- Published online:
- 05 August 2015
- Print publication:
- 27 April 2015, pp ix-xxx
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Dissolved oxygen dynamics during a phytoplankton bloom in the Ross Sea polynya
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- Bastien Y. Queste, Karen J. Heywood, Walker O. Smith, Jr, Daniel E. Kaufman, Timothy D. Jickells, Michael S. Dinniman
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- Journal:
- Antarctic Science / Volume 27 / Issue 4 / August 2015
- Published online by Cambridge University Press:
- 20 February 2015, pp. 362-372
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The Ross Sea polynya is one of the most productive regions in the Southern Ocean. However, limited access and high spatio-temporal variability of physical and biological processes limit the use of conventional oceanographic methods to measure early season primary productivity. High-resolution observations from two Seagliders provide insights into the timing of a bloom in the southern Ross Sea polynya in December 2010. Changes in chlorophyll and oxygen concentrations are used to assess bloom dynamics. Using a ratio of dissolved oxygen to carbon, net primary production is estimated over the duration of the bloom showing a sensitive balance between net autotrophy and heterotrophy. The two gliders, observing spatially distinct regions during the same period, found net community production rates of -0.9±0.7 and 0.7±0.4 g C m-2 d-1. The difference highlights the spatial variability of biological processes and is probably caused by observing different stages of the bloom. The challenge of obtaining accurate primary productivity estimates highlights the need for increased observational efforts, particularly focusing on subsurface processes not resolved using surface or remote observations. Without an increased observational effort and the involvement of emerging technologies, it will not be possible to determine the seasonal trophic balance of the Ross Sea polynya and quantify the shelf’s importance in carbon export.
Contributors
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- By Tom Abbott, Gareth L. Ackland, Hollman D. Aya, Berthold Bein, Karim Bendjelid, Matthieu Biais, Elizabeth J. Bridges, Maxime Cannesson, Cédric Carrié, Alice Carter, Maurizio Cecconi, Daniel Chappell, Jason H. Chua, Gary Colins, Diego Orbegozo Cortes, Lester A. H. Critchley, Daniel De Backer, Katia Donadello, Eric Edison, Byron D. Fergerson, Tong J. Gan, Michael T. Ganter, Leslie M. Garson, Christoph K. Hofer, Christoph Ilies, James M. Isbell, Matthias Jacob, Mazyar Javidroozi, Zeev N. Kain, Elisa Kam, Gautam Kumar, Yannick Le Manach, Sheldon Magder, Aman Mahajan, Gerard R. Manecke, Paul E. Marik, Joseph Meltzer, Debra R. Metter, Timothy E. Miller, Xavier Monnet, Michael Mythen, Rudolph Nguyen, Rupert Pearse, Michael R. Pinsky, Davinder Ramsingh, Steffen Rex, Andrew Rhodes, Joseph Rinehart, Mathieu Sèrié, Aryeh Shander, Nils Siegenthaler, Ann B. Singleton, Faraz Syed, Jean-Louis Teboul, Robert H. Thiele, Shermeen B. Vakharia, Trung Vu, Nathan H. Waldron, David Walker, William Wilson
- Edited by Maxime Cannesson, University of California, Irvine, Rupert Pearse
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- Book:
- Perioperative Hemodynamic Monitoring and Goal Directed Therapy
- Published online:
- 05 September 2014
- Print publication:
- 04 September 2014, pp vii-x
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Contributors
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- By Syed S. Ali, Nathan Allen, John E. Arbo, Elizabeth Arrington, Ani Aydin, Kenneth R. L. Bernard, Amy Caggiula, Nolan Caldwell, Jennifer L. Carey, Jennifer Carnell, Jayaram Chelluri, Michael N. Cocchi, Cristal Cristia, Vishal Demla, Bram Dolcourt, Andrew Eyre, Shawn Fagan, Brandy Ferguson, Sarah Fisher, Jonathan Friedstat, Brian C. Geyer, Brandon Godbout, Jeremy Gonda, Jeremy Goverman, Ashley L. Greiner, Casey Grover, Carla Haack, Abigail Hankin, John W. Hardin, Katrina L. Harper, Gregory Hayward, Stephen Hendriksen, Daniel Herbert-Cohen, Nadine Himelfarb, Calvin E. Hwang, Jacob D. Isserman, Joshua Jauregui, Joshua W. Joseph, Elena Kapilevich, Feras H. Khan, Sarvotham Kini, Karen A. Kinnaman, Ruth Lamm, Calvin Lee, Jarone Lee, Charles Lei, John Lemos, Daniel J. Lepp, Elisabeth Lessenich, Brandon Maughan, Julie Mayglothling, Kevin McConnell, Laura Medford-Davis, Kamal Medlej, Heather Meissen, Payal Modi, Joel Moll, Jolene H. Nakao, Matthew Nicholls, Lindsay Oelze, Carolyn Maher Overman, Viral Patel, Timothy C. Peck, Jeffrey Pepin, Candace Pettigrew, Byron Pitts, Zubaid Rafique, Chanu Rhee, Jonathan C. Roberts, Daniel Rolston, Steven C. Rougas, Benjamin Schnapp, Kathryn A. Seal, Raghu Seethala, Todd A. Seigel, Navdeep Sekhon, Kaushal Shah, Robert L. Sherwin, Kirill Shishlov, Ashley Shreves, Sebastian Siadecki, Jeffrey N. Siegelman, Liza Gonen Smith, Ted Stettner, Marie Carmelle Tabuteau, Joseph E. Tonna, N. Seth Trueger, Chad Van Ginkel, Bina Vasantharam, Graham Walker, Susan Wilcox, Sandra J. Williams, Matthew L. Wong, Nelson Wong, Samantha Wood, John Woodruff, Benjamin Zabar
- Edited by Kaushal Shah, Jarone Lee, Kamal Medlej, American University of Beirut, Scott D. Weingart
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- Book:
- Practical Emergency Resuscitation and Critical Care
- Published online:
- 05 November 2013
- Print publication:
- 24 October 2013, pp xi-xx
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Contributors
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- By W. Neil Adger, Jeroen Aerts, Armando Apan, Jessica Ayers, Jon Barnett, Juan F. Barrera, Simon P. J. Batterbury, Linda C. Botterill, Sarah Boulter, Edwin Castellanos, Declan Conway, Gustavo Cruz-Bello, W. Priyan, S. Dias, Markus G. Donat, Stephen Dovers, Thomas E. Downing, Hallie Eakin, C. J. Fotheringham, Andrew W. Garcia, Marisa C. Goulden, Daniela Guitart, John Handmer, Katharine Haynes, Sam S. L. Hettiarachchi, Saleemul Huq, Jiang Tong, David John Karoly, Jon E. Keeley, Diane Keogh, David King, Zbigniew W. Kundzewicz, Timothy M. Kusky, Karine Laaidi, Alain Le Tertre, Gregor C. Leckebusch, Matthew Mason, David M. Mills, Helda Morales, Michael J. Mortimore, Colette Mortreux, Karen O’Brien, Jean Palutikof, Mathilde Pascal, Bimal K. Paul, Munshi K. Rahman, William D. Snook, Su Buda, Alexandra D. Syphard, Melanie Thomas, Madeleine C. Thomson, Uwe Ulbrich, Pier Vellinga, George Walker, Joshua Whittaker
- Edited by Sarah Boulter, Griffith University, Queensland, Jean Palutikof, Griffith University, Queensland, David John Karoly, University of Melbourne, Daniela Guitart, Griffith University, Queensland
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- Book:
- Natural Disasters and Adaptation to Climate Change
- Published online:
- 05 October 2013
- Print publication:
- 14 October 2013, pp ix-xii
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A Tribute to Glenn Ames
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- By Timothy D. Walker, University of Massachusetts Dartmouth
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- Book:
- Portuguese and Luso-Asian Legacies in Southeast Asia, 1511–2011, vol. 1
- Published by:
- ISEAS–Yusof Ishak Institute
- Published online:
- 21 October 2015
- Print publication:
- 18 November 2011, pp xi-xiv
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Summary
Professor Glenn Ames of the University of Toledo had planned to attend the “Portuguese and Luso-Asian Legacies in Southeast Asia, 1511–2011” conference in Singapore and Malacca in late September 2010. Many of us, his long-time colleagues, were looking forward to seeing him again, and to hearing his scheduled contribution, a paper entitled “A Tale of Two Cities: The Creation and Role of ‘Creole’ Power Groups in Goa and Malacca, circa 1510–1683”. Because Glenn had not burdened us with the knowledge, we were unaware that he was ill; so, it was puzzling — and very unlike Glenn — when he simply did not appear. Two weeks later, his friends were shocked to learn the true reason behind his absence: Glenn Ames passed away on 14 October 2010, after struggling for months against a relapse of melanoma cancer. He was fifty-five years old.
In his relatively brief career, Glenn Ames distinguished himself as a leading scholar of the Lusophone world and European expansion in Asia. It is therefore particularly fitting that the conference participants and organizers have decided to dedicate this publication to his memory as an historian and friend.
Glenn earned his Ph.D. in history from the University of Minnesota in 1987; his concentration fields were early modern Europe, French history and the history of European expansion. He spent a postdoctoral year at the University of Bristol (United Kingdom) as a Leverhulme Fellow. For twenty-two years, he was a member of the history faculty at the University of Toledo (USA). Glenn accumulated many academic awards and honours over the years, including a Fulbright grant and fellowships from the American Institute of Indian Studies, the Portuguese Ministry of Education and the Calouste Gulbenkian Foundation of Lisbon. In 2002, he was a Union Pacific Visiting Professor at the Center for Early Modern Europe at the University of Minnesota.
A keen and assiduous archival researcher, Glenn had worked on documentary collections in France, England, the Netherlands, Portugal and India, often for very extended periods of time. He was also a prolific author, with some six books to his credit, numerous journal articles and book chapters in edited volumes.
1 - Supplying Simples for the Royal Hospital: An Indo-Portuguese Medicinal Garden in Goa (1520–1830)
- from Part One - Adaptations and Transitions in the South and Southeast Asian Theatres, Sixteenth through Eighteenth Centuries
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- By Timothy D. Walker, University of Massachusetts Dartmouth
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- Book:
- Portuguese and Luso-Asian Legacies in Southeast Asia, 1511–2011, vol. 1
- Published by:
- ISEAS–Yusof Ishak Institute
- Published online:
- 21 October 2015
- Print publication:
- 18 November 2011, pp 23-47
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Summary
By the mid-seventeenth century, medical practice in the Portuguese-held enclaves of southern India had become thoroughly hybridized, with applied remedies in colonial health institutions relying heavily on indigenous medicinal plants. To ensure a ready supply of common local and imported healing herbs in the administrative hub of the Portuguese Asian empire, the Hospital Real Militar in Goa maintained on its premises a medicinal herb garden, supervised directly by the chief physician of the Estado da Índia.
This chapter will explore the form, function and role of this Portuguese medical garden as a multicultural space within a larger “hybridized” colonial medical sphere, wherein European and South Asian (and, indeed, even African, South American and Chinese) concepts about healing blended. The chapter will describe the physical space of the garden, its Indo-Portuguese caretakers and their unique medical cosmology, and the hospital's intellectual environment, which placed so much value on the indigenous remedies supplied through this garden's bounty. Further, the chapter will describe various medicinal plants cultivated in Indo-Portuguese hospital gardens, their applications and effects, as well as the social context in which the medical practitioners who employed these plants operated.
In view of the horticultural nature of this work, modern usage of the term “hybrid” demands comment. As employed above, the word today has come to mean simply a “mixed” or “blended” product derived from dissimilar components — in this case, to describe a process of shared acculturation unavoidable in a colonial context. In the early seventeenth century, however, the word, newly minted in English and with origins in farming and animal husbandry, had a much more specific connotation, referring to the offspring of two animals of different breeds, species or varieties. Usually the word implied deliberate cross-breeding to obtain beneficial genetic characteristics. “Hybrid” was soon applied in gardening as well as to refer to the crossfertilization of different plants. The word did not achieve wide circulation outside of scientific or agrarian circles until after 1850, when it began to take on its broader current meaning. “Hybrid” will crop up frequently in this chapter, not employed as originally intended but instead in the modern sense, to refer to the unique blended culture found in the Portuguese Indian colonies.
David Hancock, Oceans of Wine: Madeira and the Emergence of American Trade and Taste. Yale University Press: New Haven, 2009. xviii+680 pp. 57 b/w illustrations; 16 color plates. ISBN: 0300136056 $50.00.
- Timothy D. Walker
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- Journal:
- Itinerario / Volume 35 / Issue 2 / August 2011
- Published online by Cambridge University Press:
- 18 November 2011, pp. 113-115
- Print publication:
- August 2011
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Contributors
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. 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Van Bavel, Steven Vanderputten, Peter Van der Veer, Huub Van de Sandt, Louis Van Tongeren, Luke A. Veronis, Noel Villalba, Ramón Vinke, Tim Vivian, David Voas, Elena Volkova, Katharina von Kellenbach, Elina Vuola, Timothy Wadkins, Elaine M. Wainwright, Randi Jones Walker, Dewey D. Wallace, Jerry Walls, Michael J. Walsh, Philip Walters, Janet Walton, Jonathan L. Walton, Wang Xiaochao, Patricia A. Ward, David Harrington Watt, Herold D. Weiss, Laurence L. Welborn, Sharon D. Welch, Timothy Wengert, Traci C. West, Merold Westphal, David Wetherell, Barbara Wheeler, Carolinne White, Jean-Paul Wiest, Frans Wijsen, Terry L. Wilder, Felix Wilfred, Rebecca Wilkin, Daniel H. Williams, D. Newell Williams, Michael A. Williams, Vincent L. Wimbush, Gabriele Winkler, Anders Winroth, Lauri Emílio Wirth, James A. Wiseman, Ebba Witt-Brattström, Teofil Wojciechowski, John Wolffe, Kenman L. Wong, Wong Wai Ching, Linda Woodhead, Wendy M. Wright, Rose Wu, Keith E. Yandell, Gale A. Yee, Viktor Yelensky, Yeo Khiok-Khng, Gustav K. K. Yeung, Angela Yiu, Amos Yong, Yong Ting Jin, You Bin, Youhanna Nessim Youssef, Eliana Yunes, Robert Michael Zaller, Valarie H. Ziegler, Barbara Brown Zikmund, Joyce Ann Zimmerman, Aurora Zlotnik, Zhuo Xinping
- Edited by Daniel Patte, Vanderbilt University, Tennessee
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- Book:
- The Cambridge Dictionary of Christianity
- Published online:
- 05 August 2012
- Print publication:
- 20 September 2010, pp xi-xliv
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Contributors
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- By Sonia Ancoli-Israel, Ragnar Asplund, Michel Billiard, Theresa M. Buckley, Rohit Budhiraja, Robert N. Butler, Daniel J. Buysse, Scott S. Campbell, Daniel P. Cardinali, Julie Carrier, Cynthia L. Comella, Jana R. Cooke, Pietro Cortelli, Agnès Demazieres, Glenna A. Dowling, Luigi Ferini-Strambi, Philip R. Gehrman, Nalaka Sudheera Gooneratne, David S. Hallegua, Patrick J. Hanly, David G. Harper, Orla P. Hornung, Magdolna Hornyak, Michal Karasek, Milton Kramer, Andrew D. Krystal, Malcolm H. Lader, Rachel Leproult, Kenneth L. Lichstein, Andrea H.S. Loewen, Rémy Luthringer, Laurin J. Mack, Evelyn Mai, Atul Malhotra, Jennifer L. Martin, Judy Mastick, Monique A.J. Mets, Andrew A. Monjan, Timothy H. Monk, Daniel Monti, Jaime M. Monti, Patricia J. Murphy, C. Ineke Neutel, Eric A. Nofzinger, Seithikurippu R. Pandi-Perumal, Scott B. Patton, Donald B. Penzien, Max H. Pittler, Giora Pillar, Marc J. Poulin, Louis J. Ptácek, Stuart F. Quan, Jeanetta C. Rains, Megan E. Ruiter, Bruce D. Rybarczyk, Colin M. Shapiro, Vijay Kumar Sharma, D. Warren Spence, Kai Spiegelhalder, Luc Staner, Stephanie A. Studenski, Nikola N. Trajanovic, Eve Van Cauter, Gregory S. Vander Wal, Joris C. Verster, Aleksandar Videnovic, Matthew P. Walker, Daniel J. Wallace, David K. Welsh, David P. White, Barbara Wider, Theresa B. Young, Stefano Zanigni
- Edited by S. R. Pandi-Perumal, Jaime M. Monti, Universidad de la República, Uruguay, Andrew A. Monjan, National Institute on Aging, Bethesda, Maryland
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- Principles and Practice of Geriatric Sleep Medicine
- Published online:
- 04 August 2010
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- 26 November 2009, pp ix-xii
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Research Article: Survival of Culturable Bacteria during Co-composting of Institutional, Agricultural, and Municipal Solid Wastes
- Timothy R. Kelley, Paul M. Walker, K. D. Smiciklas
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- Journal:
- Environmental Practice / Volume 1 / Issue 3 / September 1999
- Published online by Cambridge University Press:
- 13 July 2009, pp. 162-167
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- September 1999
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Cooperation among waste generators to co-compost institutional, agricultural, and municipal solid waste can balance carbon: nitrogen ratios, yield a value-added product, and ultimately reduce solid waste disposal nationally. A study was conducted to determine concentrations of indicator bacteria and other bacteria in compost components, immature compost, and cured compost. Compost components included pulped institutional food waste, newsprint, farm animal waste, and municipal landscape waste. Carbon:nitrogen ratios were balanced (mean = 30:1) through cooperative co-composting of institutional and agricultural waste with municipal landscape waste. Compost windrows were mechanically turned an average of 15 times during 60-days of composting, reaching highest internal mean temperatures of 62° C. Raw food waste, animal waste, immature and cured compost samples were collected aseptically and analyzed for total and fecal coliform, Enterococci, Staphylococci, and heterotrophic bacteria using standard culturing techniques. Initial indicator bacterial concentrations of 4–8 log10 colony forming units (cfu) per milliliter (ml−1) or gram (g−1) dry weight recovered from animal waste and 2–3 log10 cfu g−1 dry weight recovered from raw food waste were reduced to below the detection limit of approximately 20 cfu g−1 dry weight in all compost samples analyzed. Staphylococci and heterotrophic bacteria concentrations recovered from immature compost samples were also reduced in cured compost. Results indicated that cooperative waste composting reduced culturable indicator bacteria concentrations in compost samples analyzed. Results suggested that cooperative solid waste composting may reduce environmental health concerns associated with institutional, agricultural, and municipal wastes, while generating a value-added soil amendment and reducing solid waste volume.