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Articles 4951 - 4980 of 13113
Full-Text Articles in Entire DC Network
Influential Parasites: Importance Of Haemosporidian Parasite Infection In The White-Throated Sparrow, Amanda P. Jamison
Influential Parasites: Importance Of Haemosporidian Parasite Infection In The White-Throated Sparrow, Amanda P. Jamison
All-Inclusive List of Electronic Theses and Dissertations
The study of parasite-mediated selection, as originally postulated by Hamilton and Zuk ( 1982) in birds is an area of intense study as it allows us to test the significance of the relationship between host and parasite. Recent developments of resistance to treatments in humans for parasite induced disease, creates a place for this important research and emphasizes the need to find the connections and interactions in this relationship between ecology and infectious disease. The development of new molecular techniques has made the study of parasitism in birds and mammals easier and provides an efficient sensitive . methodology to detect …
Conversion Of Biomass Resource To Useful Forms Of Energy And Other Products, Steven Jennings
Conversion Of Biomass Resource To Useful Forms Of Energy And Other Products, Steven Jennings
Chemical Engineering Undergraduate Honors Theses
The United States is facing increasing pressure to find renewable energy sources due to rising energy costs. With world energy demand at an all time high, renewable energy has been thrust into the forefront of research as a means to mitigate this looming crisis. Throughout the United States, there is a large quantity of agricultural biomass that could be used to generate energy and lessen the dependence on diminishing resources. Specifically, animal feeding operations (AFOs) such as dairies generate large amounts of cow manure, which, when improperly handled, causes both air and water pollution. Currently, most manure is temporarily stockpiled …
A Multi-Scale Test Of The Forage Maturation Hypothesis In A Partially Migratory Ungulate Population, Mark Hebblewhite, Evelyn Merrill, Greg Mcdermid
A Multi-Scale Test Of The Forage Maturation Hypothesis In A Partially Migratory Ungulate Population, Mark Hebblewhite, Evelyn Merrill, Greg Mcdermid
Wildlife Biology Faculty Publications
The forage maturation hypothesis (FMH) proposes that ungulate migration is driven by selection for high forage quality. Because quality declines with plant maturation, but intake declines at low biomass, ungulates are predicted to select for intermediate forage biomass to maximize energy intake by following phenological gradients during the growing season. We tested the FMH in the Canadian Rocky Mountains by comparing forage availability and selection by both migrant and nonmigratory resident elk (Cervus elaphus) during three growing seasons from 2002-2004. First, we confirmed that the expected trade-off between forage quality and quantity occurred across vegetation communities. Next, we modeled forage …
Timelessness Undone : Culture, Agriculture, And The Narrative Of Ecological Decline In Faulkner's Fiction, Deighton Zerby
Timelessness Undone : Culture, Agriculture, And The Narrative Of Ecological Decline In Faulkner's Fiction, Deighton Zerby
Electronic Theses and Dissertations
No abstract provided.
Cultural Advantage For Cities: An Alternative For Developing Countries, Florentin Smarandache, Victor Christianto
Cultural Advantage For Cities: An Alternative For Developing Countries, Florentin Smarandache, Victor Christianto
Branch Mathematics and Statistics Faculty and Staff Publications
No abstract provided.
The Unfolded Protein Response Increases Production Of Pro-Angiogenic Factors By Tumor Cell Lines, Nan Liao
The Unfolded Protein Response Increases Production Of Pro-Angiogenic Factors By Tumor Cell Lines, Nan Liao
Theses and Dissertations (ETD)
The rapid growth and proliferation of tumor cells will be limited at a stage when they encounter inadequate levels of oxygen and nutrient supply within the poorly vascularized tumor mass. These severe conditions negatively affect the proper folding of nascent proteins in the endoplasmic reticulum (ER) and lead to accumulation of unfolded protein within ER which is referred to as ER stress. Consequently, it will trigger the unfolded protein response (UPR) signal pathway through ER membrane stress sensor proteins including activating transcription factor 6 (ATF6), inositol-requiring 1 (IRE1) and PKR-like ER localized kinase (PERK). The UPR is largely a cytoprotective …
Representaciones De Figuras Feministas En La Muestra Despierta!, Kathryn Lane
Representaciones De Figuras Feministas En La Muestra Despierta!, Kathryn Lane
Pitzer Senior Theses
Elizabeth Waltenburg es una artista contemporánea argentina. En su muestra, despierta!, las obras en óleo sobre tela representan a mujeres, niños y animales en fondos extraños y deprimidos. Ella utilize simbolismo de animales y figuras femeninas para discutir el feminismo actual. Ella trabaja en un tiempo complicado por el feminismo, el postfeminismo, la critica de ambos, y un sistema de comunicación global. Su trabajo marca una tendencia hecho por la confusión de todos estos movimientos. Esta tesis discute su trabajo en el contexto de la historia de representaciones de mujeres, de niños y de animales para llegar a una mejor …
Cai Comments On California Blue Ribbon Commission On Children In Foster Care Draft Recommendations, Children's Advocacy Institute, University Of San Diego School Of Law
Cai Comments On California Blue Ribbon Commission On Children In Foster Care Draft Recommendations, Children's Advocacy Institute, University Of San Diego School Of Law
CAI Special Reports
No abstract provided.
Qubit, May 2008
Qubit (Cuban science fiction magazine)
The May 2008 issue of the Qubit.
Light-Triggered Proton And Electron Transfer In Flavin Cofactors, Guifeng Li, Ksenija D. Glusac
Light-Triggered Proton And Electron Transfer In Flavin Cofactors, Guifeng Li, Ksenija D. Glusac
Chemistry Faculty Publications
The pH dependent behavior of two flavin cofactors, flavin-adenine dinucleotide (FAD) and flavin mononucleotide (FMN), has been characterized using femtosecond transient absorption spectroscopy for the first time. The flavin excited state was characterized in three states of protonation (Fl(-), Fl, and FlH(+)). We found that Fl and Fl(-) exhibit the same excited state absorption but that the lifetime of Fl(-) is much shorter than that of Fl. The transient absorption spectrum of FlH(+) is significantly different from Fl and Fl(-), suggesting that the electronic properties of the flavin chromophore become appreciably modified by protonation. We further studied the excited state …
Emergency Oxygen Use In Aquatic And Recreation Facilities Is Overdue, Leland Yarger
Emergency Oxygen Use In Aquatic And Recreation Facilities Is Overdue, Leland Yarger
International Journal of Aquatic Research and Education
No abstract provided.
Four Short Stories About A Four Letter Word, Michelle Tan-Torres
Four Short Stories About A Four Letter Word, Michelle Tan-Torres
Renée Crown University Honors Thesis Projects - All
This thesis falls under the creative category of the Honors Capstone Project and is a compilation of four short stories all written within the past year and a half. It draws from the author’s educational background of English Textual Studies and the screenwriting track within the Television/Radio/Film major. It combines the learned technical aspects of the English language from the former and the creative, story-telling techniques from the latter.
Though the author has always been an avid writer, both academically and leisurely, it wasn’t until the summer of 2007 after sophomore year of college that she became interested in short …
The Effect Of Pre And Peri-Natal Exposure To Arsenic On Gene Expression In Fetal Rat Lung, Jorge Blanco
The Effect Of Pre And Peri-Natal Exposure To Arsenic On Gene Expression In Fetal Rat Lung, Jorge Blanco
Theses (Pre-2016)
Arsenic is an element found naturally in ground water. Arsenic is detrimental to health and has been linked to various diseases including, skin lesions, Blackfoot disease, and cancer of the bladder, kidney, lungs, skin, and prostate. Areas with high levels arsenic exposure through drinking water have been seen to have an increase in the aforementioned diseases. Previous studies have shown arsenic to be a promoter of carcinogenesis. Rats exposed to arsenic have had a 50% accumulation of inorganic arsenic in the lungs within one hour of exposure. Other studies have also shown that arsenic crosses the placenta and affects the …
On Voice And Spirit, Michael Costik
On Voice And Spirit, Michael Costik
Verbum
In lieu of an abstract, below is the essay's first paragraph.
"This quote always struck me very powerfully. “The spirit nourishes within.” Is there a separation of voice from our spiritual being? Over the past several months I have given a lot of thought to the nature of music, singing, and voice. As a student of music, I frequently thought that my training did not solely pertain to singing, but I rarely reflected on this at. Now, I realize that I was being formed in virtues that are not separate from the desire for integrity. I believe that music itself …
Supernatural: The Juxtaposition Of Sensuality And The Macabre In Edgar Allen Poe’S Ligeia, Cathy Joyce Clay
Supernatural: The Juxtaposition Of Sensuality And The Macabre In Edgar Allen Poe’S Ligeia, Cathy Joyce Clay
Theses (Pre-2016)
Tentative Title: Supernatural: The Juxtaposition of Sensuality and the Macabre in Edgar Allan Poe's "Ligeia." 2. Objectives: To determine Edgar Allan Poe's purpose for creating the tragic death of a beautiful heroine in order to achieve the metaphysical quality of his work. 3. Status of the Question: Poe has long been renowned for having believed that there is nothing more romantic than the death of a beautiful woman; with that in mind, Poe creates Ligeia, a character whose beauty transcends her morbid death. Whereas Poe pairs the two popular Victorian themes of beauty and death, he appears to do so …
The Eagleville Times,Volume 6, Issue 9, Debbie Ryan
The Eagleville Times,Volume 6, Issue 9, Debbie Ryan
Eagleville Times
No abstract provided.
Kinship Foster Care: Implications Of Behavioral Biology Research, David J. Herring
Kinship Foster Care: Implications Of Behavioral Biology Research, David J. Herring
Buffalo Law Review
No abstract provided.
When Did I Fall In Love With You?, Mary Baumgartner
Missed A Spot, Jennifer Triggs
A Stray, Lisa Torcasso Downing
Pottery, Beverly Fetterman
Mamaw's House, Toni Hubbard
In Memory, Susan Blick
2008 Forces, Scott Yarbrough
Use Of Shade Trees To Reduce Leaf Herbivory Of Coffea Arabica By Atta Cephalotes (Formicidae) On Farms In Cañitas, Puntarenas, Costa Rica, May 2008, Tyler H. Stuart
Use Of Shade Trees To Reduce Leaf Herbivory Of Coffea Arabica By Atta Cephalotes (Formicidae) On Farms In Cañitas, Puntarenas, Costa Rica, May 2008, Tyler H. Stuart
Monteverde Institute: Tropical Ecology and Conservation
The addition of a specific group of rapid-growth shade tree species to coffee in monoculture, or the inclusion of these species in shade-grown coffee, may reduce leaf herbivory by Atta cephalotes. This study was conducted in Cañitas, Costa Rica on three plots—shade-grown, monoculture, and no coffee—within coffee plantations, each of which had a separate A. cephalotes colony. After observing the selection process of the leaf-cutter ants among four non-coffee, shade tree species and two varieties of coffee, Caturra and Katway, results indicated that the ants had no preference(s) of the tested species within any of the tested plots (Shade: K-W …
Preferential Oviposition By Heliconiinae (Nymphalidae) Butterflies On Passiflora Biflora (Passifloraceae) Leaves With Higher Cyanide Concentrations, May 2008, Phillip Burkholder
Preferential Oviposition By Heliconiinae (Nymphalidae) Butterflies On Passiflora Biflora (Passifloraceae) Leaves With Higher Cyanide Concentrations, May 2008, Phillip Burkholder
Monteverde Institute: Tropical Ecology and Conservation
Passiflora spp. produces cyanogenic glycosides to prevent herbivory. The butterfly subfamily Heliconiinae (Nymphalidae) has broken through this defense with the ability to ingest the cyanogenic compounds. A coevolutionary arms race of adaptations and counter-adaptations followed, in which it is believed that Passiflora spp. evolved a series of counter-adaptive defenses, like egg-mimics, leaf shape, and extrafloral nectarines, to specifically combat heliconiines. While sometimes overcoming these adaptations, heliconiines still consider them for oviposition. Additionally, the role of cyanide may also have an effect on oviposition. It has been suggested that while detrimental to larvae, cyanide provides protection that promotes oviposition. There are …
Health Of The Herd Bull, Russ Daly
Health Of The Herd Bull, Russ Daly
SDSU Extension Extra Archives
The importance of the herd bull to the reproductive performance and profitability of cow herds that utilize natural service cannot be underestimated. Health problems in a bull may result either in decreased fertility in that bull or, in the worst case, in an infectious disease that could spread to the rest of the breeding herd, with disastrous results for herd fertility. For these reasons, the health of incoming and existing herd bulls is of utmost importance.
Ecotourism Sustainability, Lori W. Hedrick
Ecotourism Sustainability, Lori W. Hedrick
UNLV Theses, Dissertations, Professional Papers, and Capstones
Ecotourism is defined by the Ecotourism Society as “responsible travel to natural areas which conserves the environment and improves the welfare of the local people”. The effect of this type of tourism poses both negative and positive impacts on the tourist and society. The importance of true ecotourism is to conserve and improve the environment, but the sustainability of this type of tourism can face ecological and economic challenges.
Chimpanzees Do Not Take Advantage Of Very Low Cost Opportunities To Deliver Food To Unrelated Group Members, Jennifer Vonk, Sarah F. Brosnan, Joan B. Silk, Joseph Heinrich, Amanda S. Richardson, Susan P. Lambeth, Steven J. Schapiro, Daniel J. Povinelli
Chimpanzees Do Not Take Advantage Of Very Low Cost Opportunities To Deliver Food To Unrelated Group Members, Jennifer Vonk, Sarah F. Brosnan, Joan B. Silk, Joseph Heinrich, Amanda S. Richardson, Susan P. Lambeth, Steven J. Schapiro, Daniel J. Povinelli
Faculty Publications
We conducted experiments on two populations of chimpanzees, Pan troglodytes, to determine whether they would take advantage of opportunities to provide food rewards to familiar group members at little cost to themselves. In both of the experiments described here, chimpanzees were able to deliver identical rewards to themselves and to other members of their social groups. We compared the chimpanzees' behaviour when they were paired with another chimpanzee and when they were alone. If chimpanzees are motivated to provide benefits to others, they are expected to consistently deliver rewards to others and to distinguish between the partner-present and partner-absent …
A Retrospective Look At A Sample Of Juvenile Sex Offenders From Two Level Six Residential Treatment Centers In Utah: 1998-2007, Miriam Elizabeth Gunn
A Retrospective Look At A Sample Of Juvenile Sex Offenders From Two Level Six Residential Treatment Centers In Utah: 1998-2007, Miriam Elizabeth Gunn
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The study and treatment of juvenile sex offenders (JSOs) has been steadily growing since its separation from the adult sex offender category in the early 1980s. Although many studies concern themselves with one specific research variable, this study looked at the presence of twelve characteristics historically associated with JSOs: sexual abuse, early exposure to sexuality, conduct disorder problems, exposure to crime in the family of origin, personal substance abuse, family substance abuse, school performance difficulties, school behavior problems, mental health difficulties, social skills deficits, changes in family structure, and nonsexual forms of abuse. This was an effort to see if …