cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The displacement of oil by aqueous solutions in porous media.
Creators: name: Sakanoko, Mariame.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Engineering, Petroleum.

description: The immiscible displacement of oil by water in a petroleum reservoir has been simulated in the laboratory using a consolidated porous medium constructed out of silica sand particles. Four distinct displacement flow modes were employed, namely horizontal, vertical upward, vertical downward, and transverse. Experiments were carried out by displacing the oil phase (heavy paraffin oil) by the aqueous phase (dyed glycerol solution) at different oil/water viscosity ratios, at different flow rates, and in the presence and absence of connate water (connate water is the name given to the very small amount of water that occurs naturally in petroleum reservoirs). The objective of this study was to investigate the effects of viscosity ratio, flow rate, and flow mode on the oil recovery efficiency. In the absence of connate water, a decrease in the oil recovery is observed when the oil/water viscosity ratio increases for all four flow modes but the displacement patterns are different for each flow mode. In the presence of connate water, the dependence of oil recovery on viscosity ratio is similar although in this case the displacement patterns are almost indistinguishable for the four different flow modes on account of coalescence of the connate water phase with the displacing aqueous phase. Without connate water, the highest recovery is obtained in the vertical upward mode where the buoyancy forces stabilize the displacement process. Conversely, in the vertical downward flow mode, the instability promoted by gravity leads to a low recovery. Comparison of the results obtained with and without connate water shows that connate water has a negative effect on the recovery and, moreover, that the synergistic effect between the viscosity ratio and the connate water reduces the oil recovery efficiency significantly.
Community, time, and the art of self-destruction in the books of Jack Spicer.
Creators: name: Clarkson, Ross.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Literature, American.

description: Jack Spicer's life and work was intimately bound up with a sense of community. His poetry workshop in 1957, his poetic companionship with Robin Blaser and Robert Duncan, and his involvement with young poets in the Bay Area, all point to a conception of poetry as community. It is, however, his relationship to past poets and the "tradition" of modern poetry that this thesis mainly focuses on. From the beginning to the end of my thesis, the problematic meaning of this tradition is explored. My thesis is that Spicer's poetry does not create a vision, or conception of community, but creates an instance of community. Time figures into Spicer's sense of community because it is by bringing the past to bear on the present that communities survive into the future, but also because an "experience of time" is shared and passed on by his poetry. This experience of time is, however, problematic for the self and its sense of identity. Time undermines the self-sameness of identity, and thus an art that exposes the self to time would be an "art of self-destruction." In a sense, the poet outlives his/her identity. The art of self-destruction, as I conceive it, is an art of survival, not an ode to suicide.
Improving the Quality of Life of People With Disabilities Who Receive Living Allowances in the Si O Subdistrict Administrative Organization area Kumphawapi District, Udon Thani Province
Creators: name: Boonpeng Sittivong
Publisher: name: DR.KET INSTITUTE OF ACADEMIC DEVELOPMENT AND PROMOTION
Year: 2024
Subjects: Improving the Quality of Life of People with Disabilities
Living Allowance
Subdistrict Administrative Organization

description: Journal of Interdisciplinary Social Development, 2, 3, 26-42
title: Research participants’ perceptions and views on consent for biobank research
title: a review of empirical data and ethical analysis
titleType: Subtitle
Creators: name: D’Abramo, Flavio
name: Schildmann, Jan
name: Vollmann, Jochen
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2015
Subjects: subject: Consent
subject: Research ethics
subject: Genomic research
subject: Biobank
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: Background Appropriate information and consent has been one of the most intensely discussed topics within the context of biobank research. In parallel to the normative debate, many socio-empirical studies have been conducted to gather experiences, preferences and views of patients, healthy research participants and further stakeholders. However, there is scarcity of literature which connects the normative debate about justifications for different consent models with findings gained in empirical research. In this paper we discuss findings of a limited review of socio-empirical research on patients’ and healthy research participants’ experiences and views regarding consent to biobank research in light of ethical principles for appropriate information and consent. Methods Review question: Which empirical data are available on research participants’ perceptions and views regarding information and elicitation of consent for biobank research? Search of articles published till March 1st 2014 in Pubmed. Review of abstracts and potentially relevant full text articles by two authors independently. As categories for content analysis we defined (i) understanding or recall of information, (ii) preferences regarding information or consent, and (iii) research participants’ concerns. Results The search in Pubmed yielded 337 abstracts of which 10 articles were included in this study. Approaches to information and consent varied considerably across the selected studies. The majority of research participants opted for some version of limited consent when being informed about such possibility. Among the factors influencing the type of preferred consent were information about sponsoring of biobank research by pharmaceutical industry and participants’ trade-off between privacy and perceived utility. Studies investigating research participants’ understanding and recall regarding the consent procedure indicated considerable lack of both aspects. Research participants’ perceptions of benefits and harms differ across those studies. Conclusion The knowledge, perceptions and views of research participants who have undergone a consent procedure within the context of biobank research raise several questions on the issue of how to inform and elicit consent in an ethically acceptable way. In our empirical-ethical analysis we develop suggestions on how the practice of eliciting consent in the biobank context should be improved.
title: A fresh look at task structure
title: exploring set size, stimulus-response properties, attention, and conflict through transitional analysis
titleType: Subtitle
Creators: name: Dykstra, Tobin
Publisher: name: University of Iowa
Year: 2022
Subjects: Cognitive Control
Task Representation
Task Switching
public abstract

description: Many modern theories of action selection hold that cognitive representations are hierarchical in nature. Despite this, the organization and determinants of these representations remain poorly understood. To investigate this fundamental issue underlying flexible behavior, I designed a series of experiments to explore how the complexity of a task (operationalized as the number of stimulus-response pairs), along with the properties of the task might influence representational structure. Conventional switch cost analyses formed the baseline against which novel transitional approaches were compared. This transition-level assessment opens new avenues for hypotheses generation and testing. First, I manipulated the number of SR pairs in a simple (univalent) choice task and observed an increase in structure when more pairs were present. Second, I manipulated properties of the stimuli (via stimulus sets) and responses (via one- or two-hand responding) in this simplified environment to test which properties contribute to structure. Arrangements with two stimulus sets showed stronger organization than designs with a single set. However, varying the response scheme did not impact representations. Finally, I asked how the additional processing induced by complex (bivalent) stimuli might change these organizational principles. To this end, I manipulated SR mappings in a cued task-switch procedure. Results revealed a hierarchy of interactive stimulus- and response-level factors contributing to structured task representations. Moreover, transitional analysis generated two hypothesized structures that, to my knowledge, have not been proposed before. First, transitions revealed an advantage for adjacent responses on consecutive trials, creating a ‘chain’ of neighboring responses. Second, transitions on the same side of response space were reliably faster than across sides, implicating abstracted spatial properties contained within the representation. Together, these results suggest that, in contrast to existing literature focused on stimulus-driven organization, a complex interplay between myriad factors ultimately determines representational structure.
Timing recovery for continuous phase modulation transmitted over fast flat-fading channels.
Creators: name: Patenaude, François.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1990
Subjects: subject: Engineering, Electronics and Electrical.

description: The problem of deriving symbol synchronization information from the received signal for a class of bandwidth efficient continuous phase modulation (CPM) schemes transmitted over a fast flat-fading channel is studied. The modulation class considered is M-ary CPM with a modulation index h = 1/M. A particular synchronizer structure which generates a tone at the symbol rate in a manner which automatically cancels the fading phase effects is proposed and analyzed in detail. The practical aspects of implementing this synchronizer using digital signal processing methods are discussed. Finally, simulation results showing the root mean square jitter produced by this synchronizer for a few well-known cases of modulation and fading channel parameters are presented to illustrate the performances of the system.
Genèse des carbonates terrestres dans la dépression de Quarzazate (Maroc méridional).
Creators: name: Akdim, Brahim.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1991
Subjects: subject: Physical Geography.

description: The carbonate encrusting process and its consequent products (crusts, tufa and travertine) in the southern Morocco (Ouarzazate) are studied in this thesis. A detailed inventory of the carbonate deposits is given. The dynamic aspects of carbonate precipitation and dissolution are considered from an environmental point of view. The main factors influencing their genesis are discussed on the basis of a multidisciplinary investigation. Among the accumulated carbonates, caliches are the most abundant. Their genesis invokes a changing environment where sedimentation has the same importance as the biogenic and pedogenic processes. Dated by the Uranium/Thorium method, these caliches are older than 300 ka. They indicate that the encrusting process is ancient. These deposits have become progressively rare during the Quaternary period except for the important hydrothermal travertine of Skoura. Only a few accumulations are still forming nowadays (Ait Arbi and Ifesfas). Their absence in present day water, especially in rivers is interpreted as indicating an environmental change. It is hypothesised that a desequilibrium affects the incrusting process. A comparative study between rivers and sources in different settings is carried out. The saturation degree of water, its chemical composition, especially in elements that may have particular origins (potassium, nitrate, sulfate, etc.) and its bacteriological characteristics are investigated in the thesis. Results seem to indicate that differences exist between the calcite - precipitating waters of some sources (not affected by human activities) and the sterile waters of rivers (Dades and M'goun). The latter are polluted by chemical fertilizers or turbulent, such that no carbonate deposits are permitted. The conclusion is that the reduced incrusting phenomena indicate an environmental change. A progressively drier climate and progressively reduced discharge make the deposits more limited in space and rare. The human impact on the quality of water must be considered to explain the limited extend of present day encrusting processes.
Fully automated 3D joint space width analysis of the tibiofemoral joint from weight bearing CT
Creators: name: McFadden, Erin Jo
Publisher: name: University of Iowa
Year: 2022
Subjects: public abstract
Orthopedics
Osteoarthritis

description: Knee osteoarthritis (OA) is a major cause of pain and disability in the U.S., and its prevalence is steadily increasing as the population increases in age and weight. Kellgren-Lawrence (KL) grading has long been the clinical standard for assessing tibiofemoral osteoarthritis severity from features such as joint space narrowing that are apparent on plain weight-bearing radiographs. The qualitative nature of KL grading introduces inter- and intra-observer variability, which along with challenges in interpreting a 2D projection of the 3D joint surface as seen on plain radiographs, limits the reliability for assessing joint space narrowing. Recognizing these limitations, a variety of MRI-based methods have been developed to evaluate OA severity, but MRI is expensive relative to radiography and usually obtained with a subject laying on a table (i.e., with the joint in a functionally dubious pose). More reliable and affordable metrics for measuring OA are clearly needed. The increased clinical use of weight bearing CT (WBCT) provides an opportunity to obtain more sensitive metrics of joint preservation, as it images three-dimensionally in a functionally relevant loaded pose.The goal of this research is to develop an objective and fully automated method to quantify joint space narrowing from WBCT that allows for a reliable, robust assessment of the 3D joint space width (JSW). Based on previously developed semi-automated methods, we developed a fully automated process to directly map the tibiofemoral 3D JSW from WBCT images. The process involves analyzing image intensity profiles generated along surface normals of nominal subchondral bone segmentations. The reliability of the automated method was evaluated using existing test-retest scan data. The performance of the fully automated methods was further assessed by analyzing tibiofemoral 3D JSW in a larger collection of WBCT scans from subjects whose knees spanned a spectrum of OA severity.
On hereditary categories of quiver representations
Creators: name: Bianconi, Ryan
Publisher: name: University of Iowa
Year: 2022
Subjects: Ext Quiver
Hereditary
Path Algebras
Quiver Representations
Representation Theory
public abstract

description: We review some preliminaries from the literature in representation theory following \cite{SY11} as our primary source. Then, we review literature on coalgebras and their representation theory following first \cite{DNR} then \cite{CM} and \cite{Chin03}. In our main results chapter, we show that for any quiver $Q$ the category of unital, right $kQ$-modules, $\Mod{kQ}$, is hereditary. This extends a known result that $\Mod{kQ}$ is hereditary whenever $Q$ is a finite quiver. In the case where $Q$ is finite, we show that $\lfmod{kQ}$ is hereditary as well. We explore the consequences of this latter result when the ground field $k$ is algebraically closed. The theme of this exploration centers around the Ext quiver of the category, which completely recaptures the category of locally finite representations in the case when said category is hereditary by consequence of \cite{CM} and \cite{Chin03}. In particular, we show that the representation theories of the free algebra on $n$ letters and the group algebra of the free group on $n$ letters are equivalent by showing that their Ext quivers coincide. We also provide a formula for the minimal number generators of a finite dimensional $\overline{k}$-algebra.
Changing the Brothers: Constructions of Masculinity, Sexual Assault, and How to Fix the Frats
Creators: name: White, Victoria
Publisher: name: Stanford Digital Repository
Year: 2024
Subjects: College students' writings, sexual assault, journalism, universities, college campuses, fraternities, masculinity, toxic masculinity

description: This essay won or received an honorable mention for The Boothe Prize for excellence in first-year writing. The Boothe Prize recognizes and rewards outstanding expository and argumentative writing by undergraduate students in first-year classes that satisfy the WR 1 requirement. In each award-winning essay, student writers demonstrate clarity of argument, excellent integration of research-based evidence, and compelling prose style.
Tracing the history of Greek life on college campuses, this essay uncovers a brand of “anti-feminine masculinity” that not only upholds standards of masculinity for men, but also reinforces the subjugation of women. But in what at first seems
an unsettling move, White asks us to reconsider the “victims” in this anti-feminine culture, suggesting that these gender constructions do harm and enact violence upon young men on campus.
True Crime FYS Syllabus & Course Content
Creators: name: Dougherty, Jenay
Publisher: name: University of Iowa
Year: 2023
Subjects: subject: Classroom Instruction
subject: Criminal Justice
subject: Mass Media
subject: Sociology
subject: FOS: Sociology

description: This collection combines the course syllabus, slides, and assignments for the First Year Seminar course, True Crime: Society's Fascination with Crime and Murder offered to first year students at the University of Iowa. These are all collected here for other instructors' and educators' informational purposes.
Socioeconomic factors associated with cessation of injection drug use among street-involved youth
Creators: name: Chang, Derek C.
name: Hadland, Scott E.
name: Nosova, Ekaterina
name: Wood, Evan
name: Kerr, Thomas
name: DeBeck, Kora
Publisher: name: BioMed Central
Year: 2017

description: Background: Although the initiation of injection drug use has been well characterized among at-risk youth, factors that support or impede cessation of injection drug use have received less attention. We sought to identify socioeconomic factors associated with cessation of injection drug use among street-involved youth. Methods: From September 2005 to May 2015, data were collected from the At-Risk Youth Study (ARYS), a prospective cohort study of street-involved youth in Vancouver, Canada. Multivariate extended Cox regression was utilized to identify socioeconomic factors associated with cessation of injection drug use for six months or longer among youth who were actively injecting. Results: Among 383 participants, 171 (44.6%) youth reported having ceased injection (crude incidence density 22 per 100 person-years; 95% confidence interval [CI], 19–26) at some point during study follow-up. Youth who had recently dealt drugs (adjusted hazard ration [AHR], 0.50; 95% CI, 0.29–0.87), engaged in prohibited street-based income generation (AHR, 0.41; 95% CI, 0.24–0.69), and engaged in illegal income generating activities (AHR, 0.19; 95% CI, 0.06–0.61) were significantly less likely to report cessation of injection drug use. Conclusions: Our findings suggest that socioeconomic factors, in particular engagement in prohibited street-based and illegal income generating activities, may pose barriers to ceasing injection drug use among this population. Effort to improve access to stable and secure income, as well as employment opportunities may assist youth in transitioning away from injection drug use. Trial registration Our study is not a randomized controlled trial; thus the trial registration is not applicable.
The Vision on Livable Town and Developing Strategy of Public Sector in the Area of Bankham Sub-District Administrative Organization Mueang District Nongbua Lamphu Province
Creators: name: Lamkham, Danai
Publisher: name: DR.KET INSTITUTE OF ACADEMIC DEVELOPMENT AND PROMOTION
Year: 2024
Subjects: Vision
Developing Strategy
Public Sector

description: Journal of Interdisciplinary Social Development, 2, 3, 43-57
The fate of chlorinated phenols in upflow anaerobic sludge blanket reactors.
Creators: name: Lu, Jinghua.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1992
Subjects: subject: Engineering, Civil.

description: Five trichlorophenols (2,3,4-, 2,3,5-, 2,3,6-, 2,4,5-, 2,4,6-trichlorophenol) and one dichlorophenol (3,5-dichlorophenol) were continuously treated in upflow anaerobic sludge blanket reactors for eight months. Their anaerobic biodegradation pathways and toxicity loading limits were determined. It was found that ortho positioned chlorine was readily removed from tri- and dichlorophenols. With acclimation, meta position chlorine was also removed from 3,4-, 3,5-dichlorophenols. Although there was no evidence of 3- and 4-monochlorophenol being degraded, the mass balance of the chlorophenols indicated that more than 50% of the 3-monochlorophenol formed from its parent compounds had disappeared, and the disappearance of 4-monochlorophenol was 20%. Acclimation and adequate alternate carbon sources reduced inhibition by chlorophenols. Inhibition was caused by: 2,4,5-trichlorophenol at a specific loading rate of 0.3 mg/g volatile suspended solids (hydraulic retention time of 3 days) and 0.9 mg/g volatile suspended solids (hydraulic retention time of 1 day); 2,3,4-trichlorophenol at a specific loading rate of 2.5 mg/g volatile suspended solids (hydraulic retention time of 1 day); 2,3,5-trichlorophenol at a specific loading rate of 1.25 mg/g volatile suspended solids (hydraulic retention time of 1 day); 3,5-dichlorophenol at a specific loading rate of 3.0 mg/g volatile suspend solids (hydraulic retention time of 1 day). The sorption isotherms of all the mono-, di- tri-chlorophenols as well as pentachlorophenol were determined. Biosorption of chlorophenols by anaerobic granular biomass fitted the Freundlich model. Biosorption of chlorophenols increased with increasing halogenation of the chlorophenols. The conditions used in batch sorption tests were similar to those in upflow anaerobic sludge blanket systems. The biosorption constants determined were successfully used to estimate the amount of chlorophenols sorbed by biomass in upflow anaerobic sludge blanket systems. Biosorption accounted for as much as 6% of the total chlorophenol removal. (Abstract shortened by UMI.)
Aufkommen und Verwertung von Verpackungsabfällen in Deutschland im Jahr 2014
Creators: name: Schüler, Kurt
Publisher: name: My University
Year: 2016
Subjects: subject: Verpackung
subject: Verpackungsabfall
subject: Verpackungsverbrauch
subject: Verpackungen
subject: Verpackungsmüll
subject: Verpackungsverwertung
subject: Verpackungsaufkommen
subject: Verpackungsrecycling
subject: Abfall | Ressourcen

description: Die Studie bestimmt die in Deutschland in Verkehr gebrachte Menge an Verpackungen für die Materialgruppen Glas, Kunststoff, Papier, Aluminium, Weißblech, Verbunde, Sonstiger Stahl, Holz und Sonstige Packstoffe. Im Ergebnis wurden im Jahr 2014 17,78 Millionen Tonnen Verpackungen verbraucht und fielen als Abfall an. Gegenüber dem Vorjahr hat der Verpackungsverbrauch damit um 3,8 Prozent zugenommen. Insgesamt wurden 17,35 Millionen Tonnen verwertet, davon 12,69 Millionen Tonnen stofflich und 4,65 Millionen Tonnen energetisch. Zusätzlich wurden 1,88 Millionen Tonnen aus dem Ausland importierte Verpackungsabfälle in Deutschland verwertet.
title: Evaluation of Performance of Deep Learning Algorithms in Detecting and Diagnosing Dental Carious Lesions Using Intraoral Radiographic Imaging
title: A Systematic Review and Meta-Analysis
titleType: Subtitle
Creators: name: Shindé, Manila
Publisher: name: University of Iowa
Year: 2024
Subjects: Artificial Intelligence
Convolutional Neural Networks
Deep learning
Intra-oral Radiographs
public abstract
Dental Caries
Machine Learning

description: IntroductionDeep learning, a form of artificial intelligence is gaining increasing interest and has the potential to aid clinicians in diagnostic imaging. There is a tremendous increase in research and development of various deep learning algorithms in recent years. In the past 4-5 years many studies have been conducted to test the performance of these new machine learning approaches. However, there are limited studies that compare the performance of the algorithm with experts, especially in dentistry. The reliability and robustness of the recent data remain to be explored. With the rapid developments in this field, there is a need for critical analysis of these studies as there are always concerns regarding study design, data collection, and unbiased comparison of the results. Systematic reviews and meta-analyses are effective methods to determine the consistency of the study outcomes and will also guide future research.
description: Methods
description: This study evaluated the accuracy of deep learning algorithms in identifying dental caries on intraoral radiographs. For this project, we searched MEDLINE, Embase, Web of Science, and CINAHL databases to identify clinical studies which used deep learning algorithms to detect caries. Studies performed on extracted teeth and simulated caries lesions were excluded. These studies were critically reviewed, and a formal qualitative assessment was performed. Studies comparing the performance of the algorithms with dentists were further selected for meta-analysis. Diagnostic performance data e.g., sensitivity, specificity, accuracy, etc. were extracted and analyzed.
description: Results
description: Our search identified 886 studies, of which 21 were included in this systematic review. Heterogeneity in the study design and inconsistencies in the methodology were observed. For example, only 21% of the studies used the appropriate method to determine the ground truth. Owing to the heterogeneity among these studies random-effects model was used for qualitative assessment. Only 7 studies compared the performance of the artificial intelligence algorithm with dental experts. The accuracy of the algorithms was high and ranged from 74% to 97%. The sensitivity ranged from 20% to 86.6%.
description: Conclusions
description: The accuracy and sensitivities of the deep learning algorithms are slightly higher than that of the dental experts. However, the specificity and precision are lower than those of dental experts. Given the methodology and reporting inconsistencies, these findings cannot be generalized and applied clinically. Standardization in the methodology and transparency in the reporting of the studies is required.
NAD+ regulates Treg cell fate and promotes allograft survival via a systemic IL-10 production that is CD4+ CD25+ Foxp3+ T cells independent
Creators: name: Elkhal, Abdallah
name: Biefer, Hector Rodriguez Cetina
name: Heinbokel, Timm
name: Uehara, Hirofumi
name: Quante, Markus
name: Seyda, Midas
name: Schuitenmaker, Jeroen M.
name: Krenzien, Felix
name: Camacho, Virginia
name: Fuente, Miguel A. De La
name: Ghiran, Ionita
name: Tullius, Stefan G.
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2016
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: CD4+ CD25+ Foxp3+ Tregs have been shown to play a central role in immune homeostasis while preventing from fatal inflammatory responses, while Th17 cells have traditionally been recognized as pro-inflammatory mediators implicated in a myriad of diseases. Studies have shown the potential of Tregs to convert into Th17 cells, and Th17 cells into Tregs. Increasing evidence have pointed out CD25 as a key molecule during this transdifferentiation process, however molecules that allow such development remain unknown. Here, we investigated the impact of NAD+ on the fate of CD4+ CD25+ Foxp3+ Tregs in- depth, dissected their transcriptional signature profile and explored mechanisms underlying their conversion into IL-17A producing cells. Our results demonstrate that NAD+ promotes Treg conversion into Th17 cells in vitro and in vivo via CD25 cell surface marker. Despite the reduced number of Tregs, known to promote homeostasis, and an increased number of pro- inflammatory Th17 cells, NAD+ was able to promote an impressive allograft survival through a robust systemic IL-10 production that was CD4+ CD25+ Foxp3+ independent. Collectively, our study unravels a novel immunoregulatory mechanism of NAD+ that regulates Tregs fate while promoting allograft survival that may have clinical applications in alloimmunity and in a wide spectrum of inflammatory conditions.
Sleep patterns and eye movement density during REM sleep in reading-disabled children.
Creators: name: Mercier, Lise.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1992
Subjects: subject: Psychology, Physiological.

description: In the present study, sleep characteristics in reading disabled (RD) children were recorded to examine suggested relationships among sleep, maturational and cognitive processes. Subjects were thirty-nine 8-10 year old boys (15 controls (Cs), M = 9.2, SD = 0.6 yrs; 24 RD, M = 9.0, SD = 0.5 yrs, (Boder criteria)). Reading disabled children were classified as: (a) dysphonetic (N = 8; (auditory-sequential processing deficits)); (b) dyseidetic (N = 8; (visual-simultaneous processing deficits)); or (c) nonspecific (N = 8; (absence of cognitive impairments)). Sleep was recorded in the laboratory for four consecutive nights (2 adaptation, 2 baseline) using standard polysomnography. All groups exhibited variations across nights reflecting adaptation to the sleep laboratory, although these seemed attenuated in the RD subtypes relative to the Cs. Group comparisons (with nights 3-4 collapsed) were undertaken between Cs and: (1) RD children pooled into one group; and, (2) the three RD subtypes. Relative to the Cs, RD children showed: (1) more stage 4 sleep (p .009); (2) less REM sleep (p .02); (3) an extended initial NREM cycle (p .009), composed of greater absolute amounts of stages 2 (p .03) and 4 (p .005); and, (4) a longer REM onset latency (p .009), also composed of more minutes of stages 2 (p .05) and 4 (p .003). Subtype analyses revealed that differences in REM sleep, initial NREM cycle duration and REM onset latency were largest among Cs and nonspecifics (p .05; p .05; p .01, respectively). Eye movement density (EMD) analyses revealed that, with the exception of the initial REM period, in which the RD children (pooled) exhibited higher mean values than the Cs (p .05), no significant group differences were noted over all REM periods, across the first 4 REM periods or for each individual REM period. The sleep profile observed in RD children, (the nonspecifics in particular), was characterized by a significantly extended initial NREM cycle with increased amounts of stage 4 sleep. This may reflect the influence of an underlying maturational delay, which decreases the functional quality of stage 4 sleep, resulting in a decelerated restitution process in RD children. The overall absence of differences between groups in EMD suggest that the presence or nature of its relationship to information processing in RD children remains unclear. The subtype differences observed were not expected, given Boder's description of the nonspecific subtype and suggest that her interpretation of the behavioral profile of these children may need revision.
The effects of a science vocabulary intervention for young children at risk for oral language difficulties
Creators: name: Gibbs, Anna S.
Publisher: name: University of Iowa
Year: 2025
Subjects: at risk
guided play
oral language
preschool
science vocabulary
shared reading
public abstract

description: The present study examined the effects of a science vocabulary intervention on the science vocabulary acquisition of children ages four and five who were at risk for oral language difficulties. Twenty-nine children from three Head Start and two Neighborhood Center summer programs participated in 15-day science vocabulary intervention study. Children assigned to the intervention group received the science vocabulary intervention through shared readings of informational science books and follow-up scientific investigations, and children assigned to the business-as-usual group received typical instruction from their classroom teacher. Children’s vocabulary knowledge was measured at pre- and posttest using two standardized vocabulary assessments and one researcher-developed science vocabulary test. Results of the analysis of covariance for each dependent variable showed no significant difference between the two condition groups, when controlling for the pretest scores. The limitations and practical implications of this study are discussed.
The Lorica of St. Patrick
Creators: name: Mattingly, Joe
Publisher: name: University of Iowa
Year: 2022
Subjects: Chorus
Chorus and Orchestra
Lorica
Lorica of St. Patrick
Orchestra
St. Patrick
public abstract

description: The Lorica of St. Patrick is a musical composition for mixed chorus and orchestra that is inspired by and incorporates portions of the text of the ancient Irish Loricae Patricii. The origin of this text, often attributed to St. Patrick, can be traced to A.D. 750. St. Patrick, according to the historical record (which is unclear) appeared in Ireland around the year 450. Prior to his arrival and the eventual conversion of Ireland to Christianity the spirituality of Gaelic culture focused on forces of nature and supernatural figures such as wizards and druids. The Loricae Patricii combines elements of both Christian belief and Gaelic spirituality. The text invokes the power of God, specifically the Trinity, and shifts from invoking that power to save humankind from the powers of evil to identifying that power as Christ’s love, binding and surrounding all believers.The text of the Lorica is laid out in eleven sections that follow a clear path. The first four sections speak of the narrator’s commitment to Christ. This is followed by the narrator’s pleas to God for assistance and protection from evil. The Christus mecum section (Christ with me) speaks of the love of Christ that surrounds and binds us. Following a brief return to the opening commitment theme the Lorica ends with a recognition of the saving power of God. Real life is of course more uncertain than the trajectory the Lorica projects. In this composition the music conveys not only the basic elements of the text but also the ambiguity that reality introduces to that trajectory and our lives. Invocations of the power of God to prevail against evil, the presence of Christ’s love, and the saving power of God’s salvation are all treated with a musical uncertainty informing the listener that God does not always reach down and set our lives on a clear path. Life can be messy and the musical treatment of the themes in the Lorica reflect this. Mirroring this ambiguity further, the text employed in the Lorica does not follow the path laid out in the poem. Instead it is scrambled, letting us know that our lives and God’s intervention or non-intervention in them is not always linear.
description: Thus, in this work the musical treatment of the text of the Loricae Patricii and the thematic path of that text both converge and diverge. As our lives are not always as well defined as the Lorica, so also the musical treatment of this work reflects the uncertainty that juxtaposing that poetry on our lives delivers.
Peut-on parler d'une diaspora acadienne? Une analyse de l'effet du milieu et de la descendance sur la construction et la manifestation identitaires des Acadiens du Québec
Creators: name: Lefebvre, Marie
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2006
Subjects: subject: Anthropology, Cultural.
subject: Geography.

description: Following on the debates about the meaning of Acadia, this thesis intends to explore the idea of a so-called "Acadia of the diaspora". By examining the identity phenomenon, both at the level of representations and of the individual and collective life experience of one of the Acadian groups living outside the Maritimes, namely the Acadians of the province of Quebec, it tries to find an expression of what characterizes globally and on the long term what is called the "Acadian diaspora", and, at the same time, to define the basis of its existence. Through a geographical analysis, it also attempts to understand the role of the environment and of the generation in identity building for the Acadians living in different places of Quebec and to identify the territory they belong to. This thesis may not close the debate, but it attempts to initiate a reflection that could result in collaborative actions from Acadians different background while throwing some light on questions left answered after the first World Acadian Conference.
Marijuana normalization and media framing
Creators: name: Babin, Sam
Publisher: name: University of Iowa
Year: 2022
Subjects: public abstract

description: ABSTRACTThis mixed-methods exploration into how media coverage of cannabis contributes to marijuana normalization brings a deeper understanding of the variety of narratives that are employed in marijuana media coverage. This is important because an understanding of the types of narratives that surround cannabis legalizations can lead to improvements in how racist, sexist, and classist injustices are addressed in media coverage of future state-level legalizations of marijuana and other prohibited substances. This two-part sequential exploratory study develops a system for categorizing marijuana media content that: is based on concepts associated with political identity and social stigma research; can be utilized to analyze a vast amount of news content; and can deepen our understandings of how the news media can frame stories about cannabis-related issues and contribute to marijuana normalization in the era following the first U.S. state-level legalizations of recreational cannabis (i.e., 2012 to 2018).
description: The results of this study demonstrate that there are recurring narratives in news media coverage of marijuana that have interesting implications related to the connections between political identity and marijuana stigma. Results indicate that while white males do experience privileged normalization, there is an increasing awareness of the sexism, classism, and racism that is associated with marijuana prohibition and stigma. This investigation shows that traditional marijuana stigma still exists, but in a modified form.
description: Keywords: public policy, political identity, cannabis legalization, social stigma
Clinical and neuropathological features of ALS/FTD with TIA1 mutations
Creators: name: Hirsch-Reinshagen, Veronica
name: Pottier, Cyril
name: Nicholson, Alexandra M.
name: Baker, Matt
name: Hsiung, Ging-Yuek R.
name: Krieger, Charles
name: Sengdy, Pheth
name: Boylan, Kevin B.
name: Dickson, Dennis W.
name: Mesulam, Marsel
name: Weintraub, Sandra
name: Bigio, Eileen
name: Zinman, Lorne
name: Keith, Julia
name: Rogaeva, Ekaterina
name: Zivkovic, Sasha A.
name: Lacomis, David
name: Taylor, J. P.
name: Rademakers, Rosa
name: Mackenzie, Ian R. A.
Publisher: name: BioMed Central
Year: 2018

description: Mutations in the stress granule protein T-cell restricted intracellular antigen 1 (TIA1) were recently shown to cause amyotrophic lateral sclerosis (ALS) with or without frontotemporal dementia (FTD). Here, we provide detailed clinical and neuropathological descriptions of nine cases with TIA1 mutations, together with comparisons to sporadic ALS (sALS) and ALS due to repeat expansions in C9orf72 (C9orf72+). All nine patients with confirmed mutations in TIA1 were female. The clinical phenotype was heterogeneous with a range in the age at onset from late twenties to the eighth decade (mean = 60 years) and disease duration from one to 6 years (mean = 3 years). Initial presentation was either focal weakness or language impairment. All affected individuals received a final diagnosis of ALS with or without FTD. No psychosis or parkinsonism was described. Neuropathological examination on five patients found typical features of ALS and frontotemporal lobar degeneration (FTLD-TDP, type B) with anatomically widespread TDP-43 proteinopathy. In contrast to C9orf72+ cases, caudate atrophy and hippocampal sclerosis were not prominent. Detailed evaluation of the pyramidal motor system found a similar degree of neurodegeneration and TDP-43 pathology as in sALS and C9orf72+ cases; however, cases with TIA1 mutations had increased numbers of lower motor neurons containing round eosinophilic and Lewy body-like inclusions on HE stain and round compact cytoplasmic inclusions with TDP-43 immunohistochemistry. Immunohistochemistry and immunofluorescence failed to demonstrate any labeling of inclusions with antibodies against TIA1. In summary, our TIA1 mutation carriers developed ALS with or without FTD, with a wide range in age at onset, but without other neurological or psychiatric features. The neuropathology was characterized by widespread TDP-43 pathology, but a more restricted pattern of neurodegeneration than C9orf72+ cases. Increased numbers of round eosinophilic and Lewy-body like inclusions in lower motor neurons may be a distinctive feature of ALS caused by TIA1 mutations.
Visual position recovery for an automated guided vehicle using pseudo-random encoding.
Creators: name: Habib, Khalfallah.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1991
Subjects: subject: Engineering, Electronics and Electrical.

description: The thesis presents a visual position measurement system that allows an Automated Guided Vehicle (AGV) to recover its absolute position anywhere on a pseudo-random encoded guide-path. It is based on the "window property" of pseudo-random binary sequences. The guide-path consists of an (2$\sp{\rm n}$-1) bit long encoding pseudo-random binary sequence marked on the floor as a sequence of geometric binary symbols ('E' for the binary value 1, and 'H' for the binary value 0). A long portion of the encoded guide-path has to be visible to the camera mounted on the AGV, in order to provide enough information to recover the n-bit pseudo-random window attached to any point in the field of view. The binary contents of this window uniquely identifies the absolute position of the encoded point. Image analysis and pattern recognition algorithms have been developed for the visual recovery of the pseudo-random window. The image processing essentially consists of the following steps: thresholding of the original image, boundary tracing each object in the image, polygon approximation of each boundary, extracting vertices and corners from each polygonal contour, and finally binary-symbol recognition by tree search. An original implementation of the split and merge polygon approximation results in an improvement of the run-time performance of this algorithm. An experimental vision system was implemented to test its performance for AGV absolute position recovery applications.
Freisetzung von gefährlichen Stoffen aus Bauprodukten in Boden, Wasser und Innenraumluft
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2015

description: Freisetzung von gefährlichen Stoffen gehört zu den wesentlichen Merkmalen von Bauprodukten. Um Angaben zur Stofffreisetzung in der Leistungserklärung machen zu können, sind harmonisierte Referenzverfahren unabdingbar. Dieser Beitrag stellt die neuen harmonisierten Prüfverfahren vor, die das Ziel haben, für alle betroffenen Bauprodukte unter der Verordnung Nr. 305/2011 (EU-BauPVO) anwendbar zu sein.Quelle: http://www.beuth.de
Integrating signal peptide- and protein structure-prediction methods to better determine protein subcellular localization
Creators: name: Sanaboyana, Venkata Ramana
Publisher: name: University of Iowa
Year: 2024
Subjects: subject: public abstract
subject: Statistics
subject: FOS: Mathematics

description: This thesis presents work aimed at improving the accuracy of sequence-based signal peptide prediction methods by incorporating structural information. Although sequence-based methods have become increasingly accurate, even state-of-the-art predictors commonly produce false positive signal peptide predictions. Since the presence or absence of a signal peptide is crucial in determining a protein’s subcellular localization, accuracy in identifying these signals is essential. My work attempts to improve the accuracy of subcellular localization by building structure-based approaches to refine signal peptide predictions. The thesis first describes the development of a refinement method that specifically focuses on signal peptides predicted in the Escherichia coli proteome. The refinement approach follows from the observation that the region corresponding to an incorrectly predicted signal peptide generally associates with the body of the protein in the protein structure. Predicted structural information from the trRosetta web-server was incorporated in the form of inter-residue distance (contact) maps, which could be used to gauge the extent of interaction between potential signal peptides and the protein body. The classification model built based on trRosetta contact maps proved to be highly accurate in correctly classifying true false positive predicted signal peptides.
description: Focusing next on the extension of the approach to other organisms, the thesis presents a more general approach for improving signal peptide prediction methods that takes advantage of the highly accurate protein structures predicted by AlphaFold2. It targets the most recent signal peptide prediction methods for both the prokaryotes and eukaryotes. Eventually, the method was applied to probe false positive signal peptides predicted from the proteomes of forty-eight organisms whose protein structures are directly available in the AlpahFold2 structural database.
description: Finally, the thesis discusses the application of predicted structures of protein complexes in determining the specificity of enzymes towards predicted signal peptides. This chapter highlights several applications of the method, including the prediction of cleavage sites as well as the determination of enzyme specificity. Overall, the study demonstrates that analysis of a protein’s structure can be a powerful tool in predicting its subcellular localization.