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Now showing items 1-20 of 104
Electromagnetic effects on soybeans
(University of Missouri--Columbia, 2007)
In this study we have exposed different varieties of soybean seeds to electromagnetic (EM) radiation at a frequency other than that of light. The objective was to determine changes in the germination rate, if any, under ...
Investigation of the performance of an automatic arterial oxygen controller
(University of Missouri--Columbia, 2018)
, manual adjustment of FiO2 is the common practice in neonatal intensive care units (NICUs). The automation of this adjustment is a topic of interest. The research team, at University of Missouri-Columbia (UMC), has developed a novel automatic arterial...
An ERP investigation of cognitive control in bilinguals
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Bilingualism is known to impact both language processing and cognitive abilities. The effects on cognitive abilities have been found to be generally positive suggesting...
The fiscal responsiveness to economic fluctuations
(University of Missouri--Columbia, 2009)
In this paper I investigate the pattern of the fiscal responsiveness with economic development and the determinants of the fiscal responsiveness for 79 central governments during 1972 ~ 2007. For the analysis, I estimate the dynamic panel regression...
The effect of big four office size on audit quality
(University of Missouri--Columbia, 2007)
Larger offices of Big Four accounting firms are argued to provide higher quality audits than smaller offices due to greater in-house experience and more expertise in ministering the audits of publicly listed clients. In ...
Atrazine transport through a glacial till aquifer in north-central Missouri
(University of Missouri--Columbia, 2009)
Although the claypan of North Central Missouri is traditionally believed to protect the groundwater from contamination, low concentrations of the herbicide atrazine have been detected in a shallow glacial till aquifer. The fate of the atrazine...
Post-encoding interference and the persistence of emotional memory encoding
(University of Missouri--Columbia, 2022)
Research on the emotional enhancement of episodic memory has largely focused on the inherent stimulus characteristics that might contribute to this effect. Less attention has been devoted to assessing the contributions of ...
A genetic approach to determine river otter abundance in Missouri
(University of Missouri--Columbia, 2010)
Extirpated from Missouri by the 1930s, river otters (Lontra canadensis) were reintroduced by the Missouri Department of Conservation (MDC) from 1982-1992. Since the reintroductions, concerns over the legitimacy of otter trapping and the predator...
Impacts of municipal wastewater effluent on seed banks, chemistry, and microorganisms of soils excavated from wetland impoundments designated for wildlife
(University of Missouri--Columbia, 2009)
To evaluate the effects of municipal wastewater effluent (WWE) and Missouri River water (MOR) as irrigation sources on soil chemistry, seed banks, and microorganisms, a field study was conducted in conjunction with a set of greenhouse studies...
Comparing the diversity, geographic distribution, and intraspecific variation of subterranean termites (Reticulitermes: Isoptera: Rhinotermitidae) occuring in woodlands and urban environments of Missouri using morphology and 16s mtDNA
(University of Missouri--Columbia, 2007)
. In urban environments they feed upon dead wood, and therefore infest and destroy man-made wooden structures. Missouri is considered to have a moderate risk for termite infestations when compared with the states of the southeast part of the country. Despite...
Molecular mechanisms of tumor invasion in three-dimensional collagen matrices
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Cancer remains a significant cause of morbidity and mortality worldwide, and invasion and metastasis substantially contribute to poor prognosis and survival outcomes. Current...
Forest adaptation and transition in the eastern united states under climate change : a forest landscape modeling method
(University of Missouri--Columbia, 2018)
Forest management is rapidly shifting in focus to address the adaptive capacity of forests under uncertain future climates. Managers and researchers often utilize models to proactively develop strategies for forest adaptation ...
Three essays on higher education outcomes
(University of Missouri--Columbia, 2022)
. Program adoption reduces bachelor's degree holders in rural counties by 1.2 percentage points. The second essay measures the impact of honors college participation on collegiate outcomes at a large, public-land grant midwestern university by leveraging...
Variation in the flood tolerance of three midwestern oak species
(University of Missouri--Columbia, 2007)
Several studies on flood tolerance of hardwood seedlings have suggested ecotypes exist among seed sources related to past flooding history and soil hydrological properties of the collection site. Our study examined differences ...
A custom oligonucleotide microarray analysis as a tool for dissecting soybean-bradyrhizobium japonicum nodule senescence
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Soybean root nodules are symbiotic organs housing Bradyrhizobium japonicum, a soil bacterium that reduces atmospheric nitrogen to ammonium. The bacterium receives carbon...
Refining school mental health screening using mixture modeling : evaluation for use in applied settings
(University of Missouri--Columbia, 2020)
Universal socioemotional and behavior screening procedures continue to gain momentum and adoption in schools; however, a major research-to-practice gap remains in translating these data into meaningful interventions for identified students. Despite...
Genetic diversity and distribution of the ringed salamander (ambystoma annulatum) across multiple spatial scales
(University of Missouri--Columbia, 2018)
that correspond to watershed boundaries. Within each cluster, I found evidence for decreased gene flow in recent generations, possibly due to the extensive timber harvest and land conversion of the CIH post European settlement. Over smaller spatial scales, I found...
Population history at the microscale : craniometrics of the Cayo Santiago macaques
(University of Missouri--Columbia, 2011)
Being able to understand the effects of relatedness on adult cranial morphology has implications for inferring population histories, and for informing us about the influence of social behaviors on these patterns of population ...
Low sensitivity to, and craving for, alcohol in naturalistic and laboratory settings
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Low sensitivity to alcohol is a well-established risk factor for the development of an alcohol use disorder. This risk is transmitted along several routes included...
Forest harvest effects on soil chemical properties and nutrient concentrations in Ozark Highland soils
(University of Missouri--Columbia, 2010)
Mixed hardwood systems of the Missouri Ozark Forest Ecosystem Project are harvested using clearcutting (CC) and single-tree selection (STS) regeneration methods. This work indicates possible effects of regeneration method on surface soil nutrient...