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Articles 661 - 690 of 11238
Full-Text Articles in Entire DC Network
November 11, 2005, College Of Science Curriculum Committee
November 11, 2005, College Of Science Curriculum Committee
Curriculum Committee
No abstract provided.
The Tiger Vol. 99 Issue 9 2005-11-11, Clemson University
The Tiger Vol. 99 Issue 9 2005-11-11, Clemson University
Tiger Newspapers
No abstract provided.
Palladium-Imidazolium Carbene Catalyzed Heck Coupling Reactions And Synthesis Of A Novel Class Of Fluoroanthracenylmethyl Ptc Catalysts, Jiuqing Zhang
Palladium-Imidazolium Carbene Catalyzed Heck Coupling Reactions And Synthesis Of A Novel Class Of Fluoroanthracenylmethyl Ptc Catalysts, Jiuqing Zhang
Theses and Dissertations
Palladium catalyzed Heck coupling with aryl and alkenyl halides has become a powerful means of carbon-carbon bond formation. This standard synthetic method has been developed to a high level of utility using various catalysts, conditions and substrates. Yet significant drawbacks remain, including poor reactivity, the need for high temperatures and base, limited substrate generality, and selectivity. Mixed products often suffer from olefin migration following insertion. N-Heterocyclic carbenes (NHC) have proven to be electron-rich donors which provide higher stability and reactivity than phosphines. In a previous paper reported by our research group the imidazolium-palladium carbene has proven to be highly efficient …
Volume Cxxiii, Number 8, November 11, 2005, Lawrence University
Volume Cxxiii, Number 8, November 11, 2005, Lawrence University
The Lawrentian
No abstract provided.
The Wooster Voice (Wooster, Oh), 2005-11-11, Wooster Voice Editors
The Wooster Voice (Wooster, Oh), 2005-11-11, Wooster Voice Editors
The Voice: 2001-2011
This edition of the Voice was published on November 11 of 2005 and it is eight pages long. Dr. Richard Heinzl, founder of Doctors Without Borders, Canada, speaks at the Wooster Integrity Forum. The college celebrates International Education Week. Writers discuss the possibility of the U.S. electing a female president for the first time. Liz Miller, assistant news editor of The Voice, discusses unethical conduct in one of her articles. One writer highlights the comedy troupe The Gallows. Athletic updates for the past week are featured on pages seven and eight.
Washington University Record, November 11, 2005
Washington University Record, November 11, 2005
Washington University Record
No abstract provided.
Relationship Of Diurnal Habitat Use Of Native Stream Fishes Of The Eastern Great Basin To Presence Of Introduced Salmonids, Darren G. Olsen, Mark C. Belk
Relationship Of Diurnal Habitat Use Of Native Stream Fishes Of The Eastern Great Basin To Presence Of Introduced Salmonids, Darren G. Olsen, Mark C. Belk
Western North American Naturalist
Introduced brown trout, Salmo trutta, are common to many streams of western North America. However, the ecological interactions between brown trout and native stream fishes are not well understood, particularly the nature and extent of antipredator responses of native species. We examined the effects of brown trout presence on diurnal habitat use by 2 small native fishes at a mesohabitat scale (e.g., pool, riffle, run, backwater, etc.). Adult and juvenile southern leatherside chub (Lepidomeda aliciae, formerly Gila copei) and juvenile mountain sucker (Catostomus platyrhynchus) were located in main channel pools in the absence of …
Behavioral Activities And Breeding Success Of Willow Flycatchers In The Sierra Nevada, Denise E. Soroka, Michael L. Morrison
Behavioral Activities And Breeding Success Of Willow Flycatchers In The Sierra Nevada, Denise E. Soroka, Michael L. Morrison
Western North American Naturalist
Observing survival and how individuals allocate time can provide insight into a species' ability to tolerate environmental constraints. We studied the Willow Flycatcher (Empidonax trallii) in the Sierra Nevada to determine if there were behavioral differences between pairs that successfully produced offspring and those that did not. This information will advance understanding of why these birds are declining in the Sierra Nevada and contribute to recommendations that may help to conserve them. We studied birds in 13 meadows in 2000 and 2001 using continuous focal-animal observations. Of the 43 territories we observed, 11 were occupied by males who …
Natural History Of A Retreat-Building Midge, Pagastia Partica, In A Regulated Reach Of The Upper Colorado River, Jeremy B. Monroe, N. Leroy Poff, Richard A. Thorp
Natural History Of A Retreat-Building Midge, Pagastia Partica, In A Regulated Reach Of The Upper Colorado River, Jeremy B. Monroe, N. Leroy Poff, Richard A. Thorp
Western North American Naturalist
The retreat-building midge Pagastia prob. partica (Roback) is an abundant and conspicuous member of the benthic community of the upper Colorado River. We investigated the ecology and behavior of P. partica in this regulated stream using both qualitative observations and quantitative surveys. Our studies revealed that P. partica foraged primarily by grazing algae from their retreats and adjacent surfaces and exhibited territorial behavior toward other P. partica larvae. Pagastia partica were widely distributed among streambed surfaces but preferred those with higher biomasses of periphyton and swifter currents. The retreats of P. partica were composed largely of silk and colonized algae …
Morphology And Taxonomy Of Klamath Basin Suckers (Catostomidae), Douglas F. Markle, Martin R. Cavalluzzi, David C. Simon
Morphology And Taxonomy Of Klamath Basin Suckers (Catostomidae), Douglas F. Markle, Martin R. Cavalluzzi, David C. Simon
Western North American Naturalist
We examined morphology of 4 sucker species (Catostomidae) from Klamath and Rogue River basins, Oregon and California. Different pairs of these species have been suspected of hybridizing, and field biologists have experienced difficulty identifying individuals in some areas. The suite of morphological characters used for initial identification was poorly supported by other morphometric characters but well supported by meristic characters, especially when analyses were restricted geographically. In some species sexual dimorphism was evident, with males having longer pectoral fins and females having longer pre-anal counts and measurements. Each species showed geographic differentiation, either between the Lost River subbasin and other …
Parental Ethnotheories Of Child Development: Looking Beyond Independence And Individualism In American Belief Systems, Carolyn P. Edwards, Lisa Knoche, Vibeke Aukrust, Asiye Kumru, Misuk Kim
Parental Ethnotheories Of Child Development: Looking Beyond Independence And Individualism In American Belief Systems, Carolyn P. Edwards, Lisa Knoche, Vibeke Aukrust, Asiye Kumru, Misuk Kim
Department of Child, Youth, and Family Studies: Faculty Publications
Over the past several decades, the topic of child development in a cultural context has received a great deal of theoretical and empirical investigation. Investigators from the fields of indigenous and cultural psychology have argued that childhood is socially and historically constructed, rather than a universal process with a standard sequence of developmental stages or descriptions. As a result, many psychologists have become doubtful that any stage theory of cognitive or socialemotional development can be found to be valid for all times and places. In placing more theoretical emphasis on contextual processes, they define culture as a complex system of …
A Novel Cysteine-Rich Domain Of Sep15 Mediates The Interaction With Udp-Glucose:Glycoprotein Glucosyltransferase, Vyacheslav M. Labunskyy, Andrew D. Ferguson, Dmitri E. Fomenko, Yogarany Chelliah, Dolph L. Hatfield, Vadim N. Gladyshev
A Novel Cysteine-Rich Domain Of Sep15 Mediates The Interaction With Udp-Glucose:Glycoprotein Glucosyltransferase, Vyacheslav M. Labunskyy, Andrew D. Ferguson, Dmitri E. Fomenko, Yogarany Chelliah, Dolph L. Hatfield, Vadim N. Gladyshev
Vadim Gladyshev Publications
Selenium is an essential trace element with potent cancer prevention activity in mammals. The 15-kDa selenoprotein (Sep15) has been implicated in the chemopreventive effect of dietary selenium. Although the precise function of Sep15 remains elusive, Sep15 copurifies with UDP-glucose:glycoprotein glucosyltransferase (GT), an essential regulator of quality control mechanisms within the endoplasmic reticulum. Recent studies identified two GT and two Sep15 homologues in mammals. We characterize interactions between these protein families in this report. Sep15 and GT form a tight 1:1 complex, and these interactions are conserved between mammals and fruit flies. In mammalian cells, Sep15 co-immunoprecipitates with both GT isozymes. …
The Tree-Thinking Challenge, David A. Baum, Stacey Dewitt Smith, Samuel S.S. Donovan
The Tree-Thinking Challenge, David A. Baum, Stacey Dewitt Smith, Samuel S.S. Donovan
School of Biological Sciences: Faculty Publications
The preferred interpretation of a phylogenetic tree is as a depiction of lines of descent. That is, trees communicate the evolutionary relationships among elements, such as genes or species, that connect a sample of branch tips. Under this interpretation, the nodes (branching points) on a tree are taken to correspond to actual biological entities that existed in the past: ancestral populations or ancestral genes. However, tree diagrams are also used in many nonevolutionary contexts, which can cause confusion. For example, trees can depict the clustering of genes on the basis of their expression profiles from microarrays, or the clustering of …
Weed Control And Soil Amendment Effects On Restoration Plantings In An Oregon Grassland, Russell T. Huddleston, Truman P. Young
Weed Control And Soil Amendment Effects On Restoration Plantings In An Oregon Grassland, Russell T. Huddleston, Truman P. Young
Western North American Naturalist
The restoration of perennial grasslands in western North America often depends on effective weed control. We took advantage of a grassland restoration site on the Nature Conservancy's Agate Desert Preserve in southern Oregon (TNC 1997), where 3 sites had been previously burned, mowed, or both. At these sites we carried out a series of controlled, replicated experiments designed to test the effectiveness of 3 weed control measures: (1) sawdust, (2) glyphosate herbicide, and (3) herbicide plus an alfalfa mulch. All plots were seeded with a mix of 3 native perennial grasses. The soils of the 3 areas differing in previous …
Index [And Table Of Contents To] Volume 65
Index [And Table Of Contents To] Volume 65
Western North American Naturalist
No abstract provided.
Soil Impacts Of Bristlecone Pine (Pinus Longaeva) Tree Islands On Alpine Tundra, Charleston Peak, Nevada, Laura Weiss, Aaron B. Shiels, Lawrence R. Walker
Soil Impacts Of Bristlecone Pine (Pinus Longaeva) Tree Islands On Alpine Tundra, Charleston Peak, Nevada, Laura Weiss, Aaron B. Shiels, Lawrence R. Walker
Western North American Naturalist
No abstract provided.
Cedar Hollow, An Early Holocene Faunal Site From Whidbey Island, Washington, George E. Mustoe, C. Richard Harington, Richard E. Morlan
Cedar Hollow, An Early Holocene Faunal Site From Whidbey Island, Washington, George E. Mustoe, C. Richard Harington, Richard E. Morlan
Western North American Naturalist
Coastal erosion at central Whidbey Island reveals a cross-section view of dune sands that contain the only known record of animals that inhabited the Pacific Northwest coast during the early Holocene. Mammal fossils include bones and teeth of deer, wolf, brown bear, and several species of rodents. A deer vertebra from basal beds yielded a 14C age of 8840 ± 50 yr BP. The faunal diversity suggests that the region was repopulated relatively quickly following the final retreat of the Cordilleran sheet. This paleofauna was quite different from that of the late Pleistocene, when the region was inhabited by …
Modélisation De L'Exposition Au Monoxyde De Carbone, Andrea Scarino, Robert Tardif
Modélisation De L'Exposition Au Monoxyde De Carbone, Andrea Scarino, Robert Tardif
Rapports de recherche scientifique
No abstract provided.
Great Basin Summer Range Forage Quality: Do Plants Nutrients Meet Elk Requirements?, Jeffrey L. Beck, James M. Peek
Great Basin Summer Range Forage Quality: Do Plants Nutrients Meet Elk Requirements?, Jeffrey L. Beck, James M. Peek
Western North American Naturalist
Understanding the relative ability of forages to meet the needs of prime-age females, the productive component of elk (Cervus elaphus) populations, is necessary to decipher reasons for declines and potential for population growth. Information on forage nutrient dynamics for elk on Great Basin summer–fall ranges is lacking. Our primary objectives were to estimate nutrient levels in common elk forage species in northeastern Nevada at 3 time periods and evaluate whether nutrient levels met good requirements for lactating cow elk at time periods across summers. We compared crude protein, digestible energy, and macromineral levels in 2 forbs, 6 grasses, …
Distributional Changes And Population Status Of Amphibians In The Eastern Mojave Desert, David F. Bradford, Jef R. Jaeger, Seth A. Shanahan
Distributional Changes And Population Status Of Amphibians In The Eastern Mojave Desert, David F. Bradford, Jef R. Jaeger, Seth A. Shanahan
Western North American Naturalist
Several amphibian species historically inhabited sparsely distributed wetlands in the Mojave Desert of western North America, habitats that have been dramatically altered or eliminated as a result of human activities. The population status and distributional changes of amphibians were investigated over a 20,000-km2 area in the eastern Mojave Desert in 2 ways. For upland sites (i.e., sites outside of major valleys and river floodplains), where wetland habitat is almost exclusively springs, encounter surveys were conducted at 128 sites in 1997–1999, and results were compared to historical (pre-1970) locality records. For lowland sites (i.e., sites within major valleys and river …
Systematic Relationships Of Pityopus Californicus Inferred From Large Ribosomal Subunit (26s) Rrna Gene Sequences, Ray Neyland
Systematic Relationships Of Pityopus Californicus Inferred From Large Ribosomal Subunit (26s) Rrna Gene Sequences, Ray Neyland
Western North American Naturalist
Pityopus californicus is a rare mycoheterotrophic herb that occurs in coniferous and mixed forests of western North America. Previous authors have speculated that Pityopus californicus is not a true species but is a recurring hybrid. The reputed parental candidates of P. californicus include the closely related Pleuricospora fimbriolata, Hemitomes congestum, and Monotropa hypopithys. However, a phylogenetic analysis of large ribosomal subunit (26S) rRNA gene sequences suggests that Pityopus californicus is sister to Monotropa hypopithys and not a recurring hybrid.
Habitat Use Patterns Within The Home Range Of Pygmy Rabbits (Brachylagus Idahoensis) In Southeastern Idaho, Laura T. Heady, John W. Laundré
Habitat Use Patterns Within The Home Range Of Pygmy Rabbits (Brachylagus Idahoensis) In Southeastern Idaho, Laura T. Heady, John W. Laundré
Western North American Naturalist
Pygmy rabbits (Brachylagus idahoensis) are a small sagebrush (Artemisia tridentata) obligate lagomorph found within the Great Basin of northwestern United States. Because of its reliance on sagebrush, this species is thought to be experiencing a major range reduction as a result of loss of sagebrush habitat. To aid in conservation of this species, we need to better understand its use of the sagebrush environment. We estimated summer home range use patterns by relocating 5 radio-collared pygmy rabbits (3 females and 2 males) over a 24-hour cycle. We then compared soil texture, shrub density, height, and canopy …
The Pacifican November 10, 2005, University Of The Pacific
The Pacifican November 10, 2005, University Of The Pacific
All Issues - Student Newspaper, The Pacifican, Pacific Weekly
No abstract provided.
Western News, Nov. 10, 2005, Western Michigan University
Western News, Nov. 10, 2005, Western Michigan University
Western News (1972-2018)
Story highlights: President Bailey to fund transformational ideas; Care packages brighten day for Broncos on active duty; Gift from Ruth and Robert Fink funds horn studio; On Campus with David Kotecki.
22nd Annual Reception Bibliography, 2004-2005, Leonard H. Axe Library
22nd Annual Reception Bibliography, 2004-2005, Leonard H. Axe Library
Bibliographies
Since 1984, Leonard H. Axe Library at Pittsburg State University has honored book authors and other creators for their outstanding scholarship and contributions to their fields.
The Missouri Miner, November 10, 2005
The Missouri Miner, November 10, 2005
The Missouri Miner Newspaper
No abstract provided.
The Advocate, November 10, 2005, Minnesota State University Moorhead
The Advocate, November 10, 2005, Minnesota State University Moorhead
The Advocate
No abstract provided.
Daily Eastern News: November 10, 2005, Eastern Illinois University
Daily Eastern News: November 10, 2005, Eastern Illinois University
November
No abstract provided.
November 10, 2005, Council On Academic Affairs