Digital Commons Network^™

An Asymmetry In Shape And Shape Word Interference: Evidence For Core Geometric Knowledge, Joshua E. Edwards, Ty W. Boyer, Bradley R. Sturz

Psychology: Faculty Presentations (2009-2022)

Nativists have postulated fundamental geometric knowledge that predates linguistic and symbolic thought. Central to these claims is the existence of an isolated cognitive system dedicated to processing geometric information. Testing such hypotheses presents challenges due to difficulties in eliminating the combination of geometric and non-geometric information through language. We present evidence using a modified matching interference paradigm that an incongruent shape word interferes with identifying a shape, but an incongruent shape does not interfere with identifying a shape word. This asymmetry in shape and shape word interference suggests that shape words activate spatial representations of shapes but shapes do not …

Orientation Via Enclosure Geometry By Blind-Folded Adults: Evidence Against View-Based Matching Theories Of Spatial Orientation, Marshall L. Green, Katherine A. Gaskin, Jonathan E. Roberts, Bradley R. Sturz

Psychology: Faculty Presentations (2009-2022)

Although spatial orientation via geometric properties of an environment is an ability shared across species, debate remains concerning similarities and differences in the underlying mechanism(s). One theoretical account of spatial orientation suggests that participants match visual memories to current visual perception and navigate to reduce discrepancy between the two. We tested a view-based matching account of spatial orientation by training disoriented and blind-folded human participants to search by touch for a target object hidden in one of four locations marked by distinctive textural cues located in the corners of a rectangular enclosure. Following training, we removed the distinctive textural cues …

Molecular Detection Of Campylobacter Spp. And E. Coli O157:H7 Carried By Filth Flies (Diptera: Muscidae) Associated With Turkey Production Facilities, C. B. Cottone, A. L. Szalanski, T. Mckay, C. D. Steelman

Midsouth Entomologist

Filth flies (Diptera: Muscidae), such as those that breed in feces and other organic refuse, have been documented as being mechanical vectors of pathogenic bacteria including E. coli O157:H7, that cause hemorrhagic colitis in humans, and Campylobacter spp., which is the principal causative agent of human enteritis. Recently, a molecular diagnostic technique has been developed to identify filth flies that have been exposed to bacterial pathogens using PCR of insect DNA. We used this molecular diagnostic technique to screen over 5,000 adult filth flies for Campylobacter spp. and E. coli O157:H7 from two Arkansas turkey facilities during 2002 and 2003. …

Exposure Of Laboratory Mice To Bed Bug Bites And Salivary Gland Extract, Jerome Goddard, Kristine T. Edwards, Jung Keun Lee, Amanda Tardo, Monica Embers

Midsouth Entomologist

An animal model to study cutaneous reactions to bed bug biting is currently not available. This study was initiated to evaluate Swiss-Webster (outbred) mice as a model organism for research on reactivity to bed bug bites and bed bug salivary gland extract (SGE). In this study, 1-2 bed bugs were fed on each of eight mice in a location on their backs which had been shaved; eight mice were injected intra-dermally (ID) with SGE in a similar location, and four control mice had phosphate buffered saline (PBS) injected also in a similar location. This procedure was repeated 3 times using …

Under What Conditions Does Caseworker-Caregiver Racial/Ethnic Similarity Matter For Housing Service Provision? An Application Of Representative Bureaucracy Theory, Jennifer E. Blakeslee, Emmeline Chuang, Alicia Bunger, Bowen Mcbeath

School of Social Work Faculty Publications and Presentations

In this article, we examine child welfare caseworkers’ housing-related service strategies when they serve culturally similar versus culturally dissimilar clients. Testing hypotheses drawn from representative bureaucracy theory and using data from the second cohort of the National Survey of Child and AdolescentWell-Being, we find that when non-Caucasian caseworkers share the same racial/ethnic background as caregivers, caseworkers use more active strategies to connect caregivers to needed housing services. The relationship between racial/ethnic matching and frontline workers’ repertoire of service strategies is most pronounced when the need for housing has been registered formally via referrals and case plans and thus legitimated institutionally. …

The Heroine, The Abbey And Popular Romantic Textuality: The Romance Of The Forest (1791), Diane Hoeveler

English Faculty Research and Publications

No abstract provided.

Extra- And Intra-Cellular Accumulation Of Platinum Group Elements By The Marine Microalga, Chlorella Stigmatophora., Leyla Shams, Andrew Turner, Geoffrey E. Millward, Murray T. Brown

School of Geography, Earth and Environmental Sciences

To better understand the marine biogeochemistry of the platinum group elements (PGE), Rh(III), Pd(II) and Pt(IV) were added in combination and at ppb concentrations to cultures of the marine microalga, Chlorella stigmatophora, maintained in sea water at 15 °C and under 60 μmol m(-2) s(-1) PAR. The accumulation of PGE was established in short-term (24-h) exposures, and under varying conditions of algal biomass and PGE concentration, and in a longer-term exposure (156-h) by ICP-MS analysis of sea water and nitric acid digests and EDTA washes of the alga. In short-term exposures, and under all conditions, the extent of accumulation by …

Integrated Vegetation Management (Ivm) For Indot Roadsides, Jamie M. Herold, Zachary E. Lowe, Jeffrey S. Dukes

JTRP Technical Reports

With over 90,000 miles of road in Indiana, it is important that adjoining vegetation be maintained for safety concerns, road structure maintenance and aesthetics. Mowing is currently the main form of vegetation management on INDOT (Indiana Department of Transportation) roadside. Ever-increasing fuel costs and the high labor demand associated with mowing leads to millions of dollars spent on in-house and contract mowing cycles each year. Drastic cost reductions can be achieved by reducing mowing cycles through the incorporation of other management tools including herbicide and native plantings. This study provides data on six herbicide tank mixtures (Milestone/Escort; Milestone/Escort/Plateau; Perspective; Perspective/Plateau; …

The Influence Of Descriptive Norms On Investment Risk, William J. Montford, Ronald E. Goldsmith

AMTP Proceedings 2014

This study examines the effect of descriptive norm messages (i.e., highlighting what others are doing) on intentions to increase investment risk. Evidence shows that alarming numbers of people nearing retirement insufficiently save for this next life stage. In addition, research finds that differences exist in investment risk tolerance between men and women, with many women investing too conservatively. This finding is of particular concern as women typically experience longer lifespans, thus relying on accumulated savings for longer periods of time. The present study extends work in financial marketing by examining the influences of social norms and peer influence, constructs shown …

Environmental Correlates Of Assemblages Of Fishes In The Tilostoc River Of Central Mexico, Juan Manuel Rivas-González, Felipe De Jesús Rodríguez-Romero, María De Lourdes Ruiz-Gómez, Diego Alfonso Viveros-Guardado, Christopher M. Taylor

School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)

Ordination, correlation, and regression analyses were used to identify trophic and taxonomic distributional patterns of fishes in the Tilostoc River (located west of Valle de Bravo Lake in the Middle Balsas Basin, central Mexico) and associations of these patterns with environmental variables. Nonmetric multidimensional scaling analysis indicated that trophic and taxonomic assemblages corresponded similarly to measured environmental gradients, especially elevation and velocity of currents. We also compared the trophic structure of assemblages of fishes of the Tilostoc River to that of Terreros Creek, a temperate system of similar size and species richness but with a taxonomically different group of species. …

Vaccines Within Vaccines: The Use Of Adenovirus Types 4 And 7 As Influenza Vaccine Vectors, Eric A. Weaver

Nebraska Center for Virology: Faculty Publications

Adenovirus Types 4 and 7 (Ad4 and Ad7) are associated with acute respiratory distress (ARD). In order to prevent widespread Ad-associated ARD (Ad-ARD) the United States military immunizes new recruits using a safe and effective lyophilized wildtype Ad4 and Ad7 delivered orally in an enteric-coated capsule. We cloned Ad4 and Ad7 and modified them to express either a GFP-Luciferase (GFPLuc) fusion gene or a centralized influenza H1 hemagglutinin (HA1-con). BALB/c mice were injected with GFPLuc expressing viruses intramuscularly (i.m.) and intranasally (i.n.). Ad4 induced significantly higher luciferase expression levels as compared with Ad7 by both routes. Ad7 transduction was restored …

Passive Biaxial Mechanical Properties And In Vivo Axial Pre-Stretch Of The Diseased Human Femoropopliteal And Tibial Arteries, Alexey Kamenskiy, Iraklis I. Pipinos, Yuris A. Dzenis, Clay Lomneth, Syed A. Jaffar Kazmi, Nicholas Y. Phillips, Jason N. Mactaggart

Department of Mechanical and Materials Engineering: Faculty Publications

Surgical and interventional therapies for atherosclerotic lesions of the infrainguinal arteries are notorious for high rates of failure. Frequently, this leads to expensive reinterventions, return of disabling symptoms, or limb loss. Interaction between the artery and repair material likely plays an important role in reconstruction failure, but data describing the mechanical properties and functional characteristics of human femoropopliteal and tibial arteries are currently not available. Diseased superficial femoral (SFA, n=10), popliteal (PA, n=8), and tibial arteries (TA, n=3) from 10 patients with critical limb ischemia were tested to determine passive mechanical properties using planar biaxial extension. All …

Mitigating Differential Power Analysis Attacks On Aes Using Neuromemristive Hardware, Colin R. Donahue

Theses

Cryptographic algorithms such as the Advanced Encryption Standard (AES) are vulnerable to side channel attacks. AES was once thought to be impervious to attacks, but this proved to be true only for a mathematical model of AES, not a physical realization. Hard- ware implementations leak side channel information such as power dissipation. One of the practical SCA attacks is the Differential power analysis (DPA) attack, which statistically analyzes power measurements to find data-dependent correlations.

Several countermeasures against DPA have been proposed at the circuit and logic level in conventional technologies. These techniques generally include masking the data inside the algorithm …

Multimodal Imaging And Characterization Of Biofilms, Kunal Vaidya

Theses

Bacterial infection is a rampant problem faced by the medical community. The bacteria gene pool is capable of adapting itself to changing conditions building biofilms to ensure the survival of progeny. This ability reduces the efficiency of antibiotics and protects the bacteria from immune system eradication, prompting the need for a technology capable of early detection of biofilms. The ability to non-invasively image and characterize bacterial biofilms in children during nasopharyngeal (NP) colonization with potential otopathogens and during acute otitis media, (AOM) would represent a significant advance. Identifying the properties of biofilms is a crucial step towards establishing a viable …

The Toxavapa Toxin-Antitoxin Locus Contributes To The Survival Of Nontypeable Haemophilus Influenzae During Infection, Dabin Ren, Alexis A. Kordis, Daniel E. Sonenshine, Dayle A. Daines

Biological Sciences Faculty Publications

Nontypeable Haemophilus influenzae (NTHi) is an opportunistic pathogen that is a common cause of acute and recurrent mucosal infections. One uncharacterized NTHi toxin-antitoxin (TA) module, NTHI1912-1913, is a host inhibition of growth (higBA) homologue. We hypothesized that this locus, which we designated toxAvapA, contributed to NTHi survival during infection. We deleted toxAvapA and determined that growth of the mutant in defined media was not different from the parent strain. We tested the mutant for persistence during long-term in vitro co-culture with primary human respiratory tissues, which revealed that the DeltatoxAvapA mutant was attenuated for survival. We then …

Bulk Elastic Moduli And Solute Potentials In Leaves Of Freshwater, Coastal, And Marine Hydrophytes. Are Marine Plants More Rigid?, Brant W. Touchette, Sarah E. Marcus, Emily C. Adams

Biological Sciences Faculty Publications

Bulk modulus of elasticity (ɛ), depicting the flexibility of plant tissues, is recognized as an important component in maintaining internal water balance. Elevated ɛ and comparatively low osmotic potential (Ψ_π) may work in concert to effectively maintain vital cellular water content. This concept, termed the ‘cell water conservation hypothesis’, may foster tolerance for lower soil-water potentials in plants while minimizing cell dehydration and shrinkage. Therefore, the accumulation of solutes in marine plants, causing decreases in Ψ_π, play an important role in plant–water relations and likely works with higher ɛ to achieve favourable cell …

An Exploration Of Early Childhood Attachment In A Sample Of Christian Men Experiencing Same-Sex Attraction, Ann Gillies

Doctoral Dissertations and Projects

The purpose of the study was to describe the attachment histories of these men in an attempt to hear the lived experiences from the voices of the men themselves. The Adult Attachment Interview (AAI) was utilized, followed by several in-depth questions. A phenomenological analysis of the transcripts revealed several themes.

The AAI themes were identified as Insecure attachment: (a) Unresolved/disorganized (U/d) due to loss; (b) Passively Preoccupied (E) with a rejecting/neglecting father and an involving/rejecting mother. Secondary themes of abuse and peer rejection were also identified. The themes of a neglecting father and over-involved mother were collaborated in the in-depth …

Conservation Genetics Of Cyprinid Fishes In The Upper Nueces River Basin In Central Texas, Evan W. Carson, Ashley H. Hanna, Gary P. Garrett, Robert J. Edwards, John R. Gold

School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)

Sequences of the mitochondrial (mt) NADH dehydrogenase subunit 5 gene (ND5) were acquired to assess genetic diversity and female effective population size (Nef) of two forms of Cyprinella (C. lepida and C. sp. cf lepida) and two species of Dionda (D. serena and D. texensis) in headwaters of three rivers in the upper Nueces River basin in central Texas. As documented in prior studies, two divergent clades of haplotypes of mtDNA were found in both genera: one in the Frio and Sabinal rivers, representing C. lepida and D. serena; one in the …

Hiv-Tat Mediated Protein Transduction Of Heme Oxygenase-1 Protects Hacat Cells From Ionizing Radiation, Pengfei Liu, Jiao Xue, Qing Gu, Jinyong Wu, Han Cao, Wei Zhu, Jundong Zhou, Jianping Cao, Shuyu Zhang

Saudi Medical Journal

OBJECTIVE: To elucidate the effects of human keratinocyte-derived HaCaT cells (HIV-TAT) protein transduction domains (PTD) coupled heme oxygenase-1 (HO-1) fusion protein (TAT-HO-1) on radiation-induced human keratinocyte-derived HaCaT cells. METHODS: This study was conducted between May 2010 and February 2013 in the School of Radiation Medicine and Protection, Soochow University, Suzhou, China. This experimental study was designed to explore the protective role of TAT-HO-1 in skin cells. The human HO-1 gene was fused with a gene fragment encoding TAT PTD to produce in-frame TAT-HO-1. The distribution of TAT-HO-1 was measured by immunostaining and Western blot. The radioprotection for TAT-HO-1 was determined …

Estrogen Deficiency Reduces The Expression Of Estrogen Receptor-Beta In Wistar Rats’ Periodontal Tissues, Mossad M. Al-Sherbini, Mohammad S. Al-Zahrani, Zienab A. Alrefaie, Hanan A. Amin, Khalid H. Zawawi

Saudi Medical Journal

OBJECTIVE: To assess the effect of ovariectomy on the expression of estrogen receptor-beta (ER-beta) in periodontal ligament and alveolar bone. METHODS: This animal study was conducted at King Fahad Research Center, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia from March to October 2012. Thirty 12-week-old female Wistar rats were divided into 2 groups (15 each): ovariectomized (OVX) and sham-operated. Levels of estrogen and progesterone in the sera were measured using the enzyme linked immunosorbent assay (ELISA). To detect the expression of ER-beta, immunostaining was performed on the tibia, alveolar bone, and periodontal ligament specimens followed by quantitative histomorphometric analysis. …

Characteristics Of Mixed Prolactin And Adrenocorticotropin Secreting Pituitary Adenomas And The Differences In Patients With Merely Prolactin-Secreting Adenomas, Cheng Huan, Tao Han, Ying Ju, Yuan-Ming Qu

Saudi Medical Journal

OBJECTIVE: To evaluate the characteristics of pituitary adenomas that produce both prolactin and adrenocorticotropin. METHODS: Between 2002 and 2011, we reviewed the data of 336 patients undergoing transsphenoidal surgery at Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China. Patients were divided into 2 subgroups: patients with mixed prolactin and adrenocorticotropin secreting adenomas, and patients with merely prolactin-secreting adenomas. Clinical and endocrinological data, imaging, histopathological reports, and outcomes were reviewed. Differences between the 2 groups were statistically analyzed, and p<0.05 was considered statistically significant. RESULTS: Compared to patients with merely prolactin-secreting adenomas, patients with mixed prolactin and adrenocorticotropin secreting adenomas were younger (p<0.001), had higher incidences of headaches and dizziness (p=0.021), progressive obesity (p<0.001), menstrual disorders (p=0.006), polyuria and polydipsia (p<0.001), hypertension (p=0.001), diabetes mellitus (p=0.001), and had higher rates of postoperative hyponatremia (p<0.001). Recurrence rates in patients with prolactin-secreting adenomas were 19.1% and patients with mixed prolactin and adrenocorticotropin secreting adenomas were 35.1% (p=0.023). However, the endocrine normalization rate in mixed prolactin and adrenocorticotropin secreting adenomas was lower (p=0.004). CONCLUSION: Careful long-term follow-up is needed for patients with mixed prolactin and adrenocorticotropin secreting adenomas.

The Role Of Genetic Polymorphisms In Endothelial Nitric Oxide Synthase And Beta2-Adrenergic Receptors With Risk Of Hypertension In A Sample Of Lebanese People, Nadia Y. Soudani, Rajaa M. Fakhoury, Samira S. Kaissi, Nathalie K. Zgheib

Saudi Medical Journal

OBJECTIVE: To determine the allelic frequencies of endothelial nitric oxide synthase (eNOS) and beta2-adrenergic receptor (ADRB2) genetic polymorphisms in a sample of Lebanese participants, and to test their association with an increase in the risk of hypertension. METHODS: Endothelial nitric oxide synthase and ADRB2 genetic polymorphisms were studied in a case-control study that involved a sample of Lebanese participants (58.8% hypertensive and 41.2% controls), recruited at the American University of Beirut Medical Center, Beirut, Lebanon between March 2008 and August 2009. RESULTS: The results did not show any significant difference in the minor allele frequencies of aspartic acid (Asp) allele …

Community-Based Management Of Tricholoma Matsutake: A Case Study Of South Korean Mountain Villages, Terry Van Gevelt

Research Collection College of Integrative Studies

Tricholoma matsutake (S. Ito and S. Imai) Singer commercialisation provides significant economic benefits to rural communities, mainly in China, Japan and South Korea. Recently, a growing body of research has questioned the impact of commercialization on harvesting behavior and the supply of matsutake. One key question arising from this literature is whether or not community-based management (CBM) has a positive impact on matsutake supply. I surveyed nine mountain villages in Gangwon and North Gyeongsang provinces in South Korea. Four villages were found to have begun CBM of matsutake in the mid-1980s to early-1990s. All four villages continued to engage in …

The Role Of State Institutions In Non-Timber Forest Product Commercialisation: A Case Study Of Tricholoma Matsutake In South Korea, Terry Van Gevelt

Research Collection College of Integrative Studies

Two major barriers to non-timber forest product (NTFP) commercialization are a thin market structure and ensuring long-term supply. There is a growing literature suggesting potential solutions to address these two issues. The majority of these solutions, however, marginalize the role of state institutions in favour of other institutional arrangements. This study used the example of (S. Ito and S. Imai) Singer commercialisation in South Korea to show that state institutions can play a leading role in addressing the thin market structure and ensuring long-term supply. Specifically, the Korea Forest Service (KFS) and National Forestry Cooperatives Federation (NFCF) addressed the thin …

Missouri S&T Magazine Spring 2014, Missouri S&T Marketing And Communications Department, Miner Alumni Association

Missouri S&T Magazine

No abstract provided.

Spring 2014 E-Certi Newsletter, Center For Educational Research And Teaching Innovation

CAFE Faculty Newsletters

Hello S&T Instructors -- Welcome back to campus, to cold and to construction – as well as to what is optimistically referred to as the Spring Semester! This issue includes interviews with a couple of seasoned professors who are changing their teaching when they could be coasting, as well as two new Curators’ Teaching Professors, and information about upcoming faculty events.

Diffuse Reflectance Spectroscopy Of Epithelial Tissue With A Smart Fiber-Optic Probe, Bing Yu, Amy Shah, Vivek K. Nagarajan, Daron G. Ferris

Biomedical Engineering Faculty Research and Publications

Diffuse reflectance spectroscopy (DRS) with a fiber-optic probe can noninvasively quantify the optical properties of epithelial tissues and has shown the potential as a cost-effective, fast and sensitive tool for diagnosis of early precancerous changes in the cervix and oral cavity. However, current DRS systems are susceptible to several sources of systematic and random errors, such as uncontrolled probe-to-tissue pressure and lack of a real-time calibration that can significantly impair the measurement accuracy, reliability and validity of this technology as well as its clinical utility. In addition, such systems use bulky, high power and expensive optical components which impede their …

Vascular Plants Of Big Lagoon County Park Humboldt County, California, James P. Smith Jr

Botanical Studies

No abstract provided.

A Survey Of Biology Alternative Conceptions Among General Education Students In The Sultanate Of Oman, Abdullah Ambusaidi, Suliaman M. Al-Balushi, Saif Al-Hiji, Ali H. Al- Shuaili

Journal of Educational and Psychological Studies

This study aimed at investigating Omani general education alternative conceptions in some biological concepts. To achieve this aim, a two-tier MCQs biology test, consisting of 40 items, was constructed. The test was verified by a panel of experts in science teaching to check its validity, whereas the reliability was calculated using Cronbach alpha for internal consistency. Alpha value was 0.85. The test was administered to 1013 students, randomly selected from four educational governorates in the Sultanate of Oman in the 2010/2011 school year. The results of the study showed that Omani general education students held several alternative conceptions in all …

Adobe Medicus 2014 2 March-April, Health Sciences Library And Informatics Center

adobe medicus

No abstract provided.