Institution
University of Arkansas
Education•Fayetteville, Arkansas, United States•
About: University of Arkansas is a education organization based out in Fayetteville, Arkansas, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 17225 authors who have published 33329 publications receiving 941102 citations. The organization is also known as: Arkansas & UA.
Topics: Population, Poison control, Quantum dot, Broiler, Supply chain
Papers published on a yearly basis
Papers
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TL;DR: In this paper, the authors present an overview of observed geotechnical aspects of the 2011 Christchurch earthquake as well as some of the completed and on-going research investigations.
Abstract: SUMMARY The 22 February 2011, Mw6.2-6.3 Christchurch earthquake is the most costly earthquake to affect New Zealand, causing 181 fatalities and severely damaging thousands of residential and commercial buildings, and most of the city lifelines and infrastructure. This manuscript presents an overview of observed geotechnical aspects of this earthquake as well as some of the completed and on-going research investigations. A unique aspect, which is particularly emphasized, is the severity and spatial extent of liquefaction occurring in native soils. Overall, both the spatial extent and severity of liquefaction in the city was greater than in the preceding 4 th September 2010 Darfield earthquake, including numerous areas that liquefied in both events. Liquefaction and lateral spreading, variable over both large and short spatial scales, affected commercial structures in the Central Business District (CBD) in a variety of ways including: total and differential settlements and tilting; punching settlements of structures with shallow foundations; differential movements of components of complex structures; and interaction of adjacent structures via common foundation soils. Liquefaction was most severe in residential areas located to the east of the CBD as a result of stronger ground shaking due to the proximity to the causative fault, a high water table approximately 1m from the surface, and soils with composition and states of high susceptibility and potential for liquefaction. Total and differential settlements, and lateral movements, due to liquefaction and lateral spreading is estimated to have severely compromised 15,000 residential structures, the majority of which otherwise sustained only minor to moderate damage directly due to inertial loading from ground shaking. Liquefaction also had a profound effect on lifelines and other infrastructure, particularly bridge structures, and underground services. Minor damage was also observed at flood stop banks to the north of the city, which were more severely impacted in the 4 th September 2010 Darfield earthquake. Due to the large high-frequency ground motion in the Port hills numerous rock falls and landslides also occurred, resulting in several fatalities and rendering some residential areas uninhabitable.
182 citations
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TL;DR: The authors provide models of how these alkaloids afflict grazing livestock under complex animal-plant/endophyte-environmental interactions and discuss management of ergot alkaloid intoxication in livestock.
Abstract: After a brief history of ergot alkaloids and ergotism, this review focuses on the metabolism and mechanisms of action of the ergot alkaloids. The authors provide models of how these alkaloids afflict grazing livestock under complex animal-plant/endophyte-environmental interactions. Alkaloid chemistry is presented to orient the reader to the structure-function relationships that are known to exist. Where appropriate, the medical literature is used to aid interpretation of livestock research and to provide insight into potential modes of action and alkaloid metabolism where these are not known for livestock. In closing the paper, we discuss management of ergot alkaloid intoxication in livestock and future research needs for this field of study.
182 citations
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Mississippi State University1, University of Kentucky2, Iowa State University3, South Dakota State University4, Michigan State University5, University of Arkansas6, Pennsylvania State University7, Oklahoma State University–Stillwater8, Ohio State University9, University of Florida10, University of Costa Rica11, University of Maryland, College Park12, Louisiana State University13, Texas A&M University14, Kansas State University15, University of Tennessee16, University of Georgia17, University of Delaware18, North Carolina State University19, University of Minnesota20, North Dakota State University21, Virginia Tech22, Clemson University23, DuPont Pioneer24, Auburn University25, University of Wisconsin-Madison26, Ontario Ministry of the Environment27, Purdue University28, University of Missouri29
TL;DR: Annual decreases in corn yield caused by diseases were estimated by surveying members of the Corn Disease Working Group in 22 corn-producing states in the United States and in Ontario, Canada from 2012 through 2015 by finding foliar diseases commonly caused the largest estimated yield loss.
Abstract: Annual decreases in soybean (Glycine max L. Merrill) yield caused by diseases were estimated by surveying university-affiliated plant pathologists in 28 soybean-producing states in the United State...
181 citations
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TL;DR: The proposed model is based on the assimilation-contrast model and prospect theory, and suggests that both are needed to account for the magnitude and direction of the deviations between experiences and expectations.
Abstract: We propose a model to study expectation confirmation in information systems. The proposed model is based on the assimilation-contrast model and prospect theory, and suggests that both are needed to account for the magnitude and direction of the deviations between experiences and expectations. Using the technology acceptance model's (TAM) primary construct---namely, perceived usefulness---expectations and experiences were conceptualized and operationalized to test our model. Data were collected in a field study from 1,113 participants at two points in time. Using polynomial modeling and response surface analysis, we demonstrated that our model offers a good explanation of the relationship among information systems expectations, experiences, and use. We discuss theoretical and practical implications.
181 citations
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TL;DR: It is proposed that Dps itself plays a role in gene regulation during starvation, ultimately making the cell more resistant to cytotoxic assaults by controlling the expression of genes necessary for (or deleterious to) stress resistance.
Abstract: Dps, the DNA-binding protein from starved cells, is capable of providing protection to cells during exposure to severe environmental assaults; including oxidative stress and nutritional deprivation. The structure and function of Dps have been the subject of numerous studies and have been examined in several bacteria that possess Dps or a structural/functional homologue of the protein. Additionally, the involvement of Dps in stress resistance has been researched extensively as well. The ability of Dps to provide multifaceted protection is based on three intrinsic properties of the protein: DNA binding, iron sequestration, and its ferroxidase activity. These properties also make Dps extremely important in iron and hydrogen peroxide detoxification and acid resistance as well. Regulation of Dps expression in E. coli is complex and partially dependent on the physiological state of the cell. Furthermore, it is proposed that Dps itself plays a role in gene regulation during starvation, ultimately making the cell more resistant to cytotoxic assaults by controlling the expression of genes necessary for (or deleterious to) stress resistance. The current review focuses on the aforementioned properties of Dps in E. coli, its prototypic organism. The consequences of elucidating the protective mechanisms of this protein are far-reaching, as Dps homologues have been identified in over 1000 distantly related bacteria and Archaea. Moreover, the prevalence of Dps and Dps-like proteins in bacteria suggests that protection involving DNA and iron sequestration is crucial and widespread in prokaryotes.
181 citations
Authors
Showing all 17387 results
Name | H-index | Papers | Citations |
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Robert M. Califf | 196 | 1561 | 167961 |
Hugh A. Sampson | 147 | 816 | 76492 |
Stephen Boyd | 138 | 822 | 151205 |
Nikhil C. Munshi | 134 | 906 | 67349 |
Jian-Guo Bian | 128 | 1219 | 80964 |
Bart Barlogie | 126 | 779 | 57803 |
Robert R. Wolfe | 124 | 566 | 54000 |
Daniel B. Mark | 124 | 576 | 78385 |
E. Magnus Ohman | 124 | 622 | 68976 |
Benoît Roux | 120 | 493 | 62215 |
Robert C. Haddon | 112 | 577 | 52712 |
Rodney J. Bartlett | 109 | 700 | 56154 |
Baoshan Xing | 109 | 823 | 48944 |
Gareth J. Morgan | 109 | 1019 | 52957 |
Josep Dalmau | 108 | 568 | 49331 |