Browsing Faculty of Arts and Sciences by Title
Now showing items 3980-3999 of 24543
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Cooperative Emission of Light Quanta: A Theory of Coherent Radiation Damping
(2009)A quantum emitted by any of a collection of identical atoms may be absorbed and re-emitted by other atoms many times before it eventually emerges. The radiation process is thus best described as collective or cooperative ... -
Cooperative Multiagent Search for Portfolio Selection
(1998)We present a new multiagent model for the multiperiod portfolio selection problem. Individual agents receive a share of initial wealth, and follow an investment strategy that adjusts their portfolio as they observe movements ... -
Cooperative Redox Chemistry Utilizing Bioinspired Dipyrrin Pacman Complexes
(2021-07-12)Polynuclear active sites are a common motif employed by enzymes to facilitate cooperative redox chemistry. For instance, diiron enzymes serve a variety of purposes in nature, including the promotion of C–H functionalization ... -
Cooperative regulation by G proteins and Na+ of neuronal GIRK2 K+ channels
(eLife Sciences Publications, Ltd, 2016)G protein gated inward rectifier K+ (GIRK) channels open and thereby silence cellular electrical activity when inhibitory G protein coupled receptors (GPCRs) are stimulated. Here we describe an assay to measure neuronal ... -
Cooperative Resonances in Light Scattering from Two-Dimensional Atomic Arrays
(American Physical Society, 2017)We consider light scattering off a two-dimensional (2D) dipolar array and show how it can be tailored by properly choosing the lattice constant of the order of the incident wavelength. In particular, we demonstrate that ... -
Cooperativity and stability in a Langevin model of proteinlike folding
(AIP Publishing, 1997)We present two simplified models of protein dynamics based on Langevin's equation of motion in a viscous medium. We explore the effect of the potential energy function's symmetry on the kinetics and thermodynamics of ... -
Cooperativity, Fluctuations and Inhomogeneities in Soft Matter
(2013-09-30)This thesis presents four investigations into mechanical aspects of soft thin structures, focusing on the effects of stochastic and thermal fluctuations and of material inhomogeneities. First, we study the self-organization ... -
Coordinate control of virulence gene expression in Francisella tularensis
(2015-05-19)Francisella tularensis is a Gram-negative, intracellular pathogen and the causative agent of tularemia. Due to its low infectious dose, ability to cause potentially fatal disease, and ability to be easily aerosolized, ... -
Coordinated Evolution of Influenza A Surface Proteins
(Public Library of Science, 2015)The surface proteins hemagglutinin (HA) and neuraminidase (NA) of human influenza A virus evolve under selection pressures to escape adaptive immune responses and antiviral drug treatments. In addition to these external ... -
Coordinated Resource Management in Networked Embedded Systems
(2012-11-06)This dissertation shows that with simple programming abstractions, network-wide resource coordination is efficient and useful for programming embedded sensor networks. Existing systems have focused primarily on managing ... -
Coordinating Collective Locomotion in an Amorphous Modular Robot
(Institute of Electrical and Electronics Engineers (IEEE), 2010)Modular robots can potentially assemble into a wide range of configurations to locomote in different environments. However, designing locomotion strategies for each configuration is often tedious and has generally relied on ... -
Coordination and Crisis in Monetary Unions
(National Bureau of Economic Research, 2014)We characterize fiscal and monetary policy in a monetary union with the potential for rollover crises in sovereign debt markets. Member-country fiscal authorities lack commitment to repay their debt and choose fiscal policy ... -
Coordination Chemistry and Electronic Structure of Iron Clusters
(2015-05-18)Mixed valence compounds have been recognized over the past five decades as a unique class of chemical species. Their distinctive spectral, electrochemical, physical and magnetic properties arise from electron delocalization ... -
Coordination of Flagella on Filamentous Cells of Escherichia Coli
(American Society for Microbiology, 1983)Video techniques were used to study the coordination of different flagella on single filamentous cells of Escherichia coli. Filamentous, nonseptate cells were produced by introducing a cell division mutation into a strain ... -
Coordination of Growth Rate, Cell Cycle, Stress Response, and Metabolic Activity in Yeast
(American Society for Cell Biology (ASCB), 2008)We studied the relationship between growth rate and genome-wide gene expression, cell cycle progression, and glucose metabolism in 36 steady-state continuous cultures limited by one of six different nutrients (glucose, ... -
Coordination of Individual and Ensemble Cytoskeletal Motors Studied Using Tools from DNA Nanotechnology
(2013-09-30)The cytoskeletal molecular motors kinesin-1 and cytoplasmic dynein drive many diverse functions within eukaryotic cells. They are responsible for numerous spatially and temporally dependent intracellular processes crucial ... -
Coordination of Patterning and Morphogenesis: Illuminating Principles of Early Embryonic Development Using Annual Killifish and Human Stem Cell Models
(2022-01-14)The development of multicellular tissues involves the process of patterning, wherein pluripotent cells adapt distinct fates, often with specialized functions in response to spatial and temporal signaling activities. ... -
Cophylogeny and Biogeography of the Fungal Parasite Cyttaria and Its Host Nothofagus, Southern Beech
(Mycological Society of America, 2010)The obligate, biotrophic association among species of the fungal genus Cyttaria and their hosts in the plant genus Nothofagus often is cited as a classic example of cophylogeny and is one of the few cases in which the ... -
Coping with the Cold: Nature and State on Chosŏn Korea’s Northern Frontier
(2022-08-08)My dissertation is a climate history of Chosŏn frontier expansion in P’yŏngan and Hamgyŏng Provinces, which are now part of present-day North Korea. It examines the ways that the kingdom’s bureaucrats understood and responded ...