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Skip to Search Results- 38Graduate and Postdoctoral Studies (GPS), Faculty of
- 38Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 37Biological Sciences, Department of
- 28Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 9Biological Sciences, Department of/Research Data and Materials (Biological Sciences)
- 7Philosophy, Department of
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Mathematical modeling of nitrous oxide emissions from an agricultural field during spring thaw
Download1999
Confidence in regional estimates of N2O emissions used in national greenhouse gas inventories could be improved by using mathematical models of the biological and physical processes by which these emissions are known to be controlled. However these models must first be rigorously tested against...
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2010
We present a literature survey and analysis of the profile of mites (Acari, exclusive of Ixodida) in recent literature and on the World Wide Web, and compare their prominence to that of spiders (Araneae). Despite having approximately the same number of described species, spiders outshine mites on...
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2011
Spanswick, Emma, Kabin, Konstantin, Donovan, Eric, Rankin, Robert, Samson, John C.
Significant populations of electrons with energies of tens of keV appear in the Earth's inner central plasma sheet during the substorm expansion phase. Increasing observational evidence indicates that these injections begin at a radially narrow but azimuthally extended transition between very...
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Modular Design and Directed Evolution for the Development of Genetically Encodable Fluorescent Sensors
DownloadSpring 2019
The development of genetically encodable sensors for optical imaging has revolutionized the way researchers investigate cellular phenomena. Illuminating the molecular dynamics of the cell has become nearly routine with countless improvements in sensor design and directed evolution efforts to...
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Molecular and functional bases of coordination in early branching metazoans – insights from physiology and investigations of potassium channels in the Porifera
DownloadFall 2010
Tompkins MacDonald, Gabrielle Jean
Sponges are filter feeders that lack nerves and muscle but are nonetheless able to respond to changes in the ambient environment to control their feeding current. Cellular sponges undergo coordinated contractions that effectively expel debris. Syncytial sponges propagate action potentials through...
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Fall 2010
I investigated the paired sternum V glands in thirty-eight trichopteran families and all lepidopteran families possessing the gland or associated structures. Using my morphological data and literature data on sternum V gland secretions, I examined phylogenetic trends in morphology and gland...
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Fall 2013
A basic tenet of comparative studies of the brain is that the larger size of any neural structure is related to the need for progressing more complex or larger quantities of information, the so call Jerison's “principle of proper mass”. Base on this principle, variation of the absolute and...
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New genera and species of feather mites of the family Gabuciniidae (Astigmata: Pterolichoidea) from New World raptors (Aves: Falconiformes)
Download2007
Zimmerman, G., Proctor, H. C., Barreto, M., Mironov, S. V.
Abstract: We describe four new species of feather mites of the family Gabuciniidae collected from Accipitridae and Falconidae (Falconiformes) from South and North America. Three of these belong to new genera, Metagabucinia gen. nov. with one new species and Proaposolenidia gen. nov. with two new...
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1994
Tikhonchuk, V. T., Frycz, P., Samson, J. C., Rankin, Robert
We present theory and numerical simulations of strong nonlinear effects in standing shear Alfven waves (SAWs) in the Earth's magnetosphere, which is modeled as a finite size box with straight magnetic lines and (partially) reflecting boundaries. In a low beta plasma it is shown that the...