cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The effects of nucleotide bias on genome evolution
Creators: name: Wang, Huai-Chun
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Biology, Molecular.

description: The genomic G+C content of prokaryotes varies from approximately 23% to 77% among genomes. In contrast, among vertebrates, the variation is greatest within the same genome rather than between genomes. There has been a long-standing controversy concerning the causes of these inter- and intra-specific variations. Is it caused by natural selection, favored by the selectionists or, conversely, is it selectively neutral (the neutralist view)? In this study, we investigated the source of nucleotide compositional variation (nucleotide bias) and the consequences of the bias on protein sequence and genome evolution. Thermal adaptation is a primary example to study the effect of natural selection and has been thoroughly studied in this project. We found that both GC content and length of ribosomal RNA genes show positive correlations with optimal growth temperature in prokaryotes and these correlations are not due to phylogenetic history. The correlations are concentrated almost entirely within the stem regions of the rRNA. The rRNA loops, however, show very constant base composition regardless of temperature optima or genomic GC content. The loops were found to have very high amount of adenosine nucleotides throughout prokaryotes and eukaryotes. These results clearly demonstrated that environmental temperature is a selective force that drives rRNA gene evolution and different segments of the same gene (i.e., the stems and loops of the rRNA gene) experience differential selection, although the mutation spectrum presumably should be similar between the loops and stems. For protein coding genes, mutation and natural selection play a different role compared to the rRNA genes. The neutralist predicts mutational bias would cause protein sequence evolution, while the selectionist would predict that the protein sequence is not related to genomic GC content. To investigate these two postulations and analyze the consequences of nucleotide bias in eukaryotec genomes, we studied homologous genes and their encoded proteins in two flowering plants, Oryza sativa (rice) and Arabidopsis thaliana. While there is a relatively homogenous GC content in the Arabidopsis genes (26% to 69%), the GC content of the rice genes is very heterogeneous (27% to 90%). High GC rice genes encode proteins having a high frequency of GC-rich codons encoded amino acids, i.e., glycine, alanine, arginine and proline. (Abstract shortened by UMI.)
A Rain Garden in Auburn Massachusetts
Creators: name: Mann, Alex
name: Bovard, Hayden
name: Iyer-Singh, Neil
Publisher: name: QUBES Educational Resources
Year: 2025

description: The US EPA estimates ten trillion gallons of untreated stormwater enter US water bodies every year (Denchak, 2022). Our goal was to help central Massachusetts municipalities protect water sources with the natural water capture and filtration of rain gardens. Realizing our goal took nine expert interviews, three site visits, and coordination with our sponsor, Emma Williamson, Auburn Town Engineer, and the Central Massachusetts Regional Stormwater Coalition. Through our research we developed a guide on building rain gardens, accompanying educational materials, and built a rain garden at Auburn’s Senior Center. Our garden is Auburn’s test case, with potential success helping persuade Auburn government and residents about the utility and value of rain gardens.
Comparison of 454 Ultra-Deep Sequencing and Allele-Specific Real-Time PCR with Regard to the Detection of Emerging Drug-Resistant Minor HIV-1 Variants after Antiretroviral Prophylaxis for Vertical Transmission
Creators: name: Hauser, Andrea
name: Kuecherer, Claudia
name: Kunz, Andrea
name: Dabrowski, Piotr Wojtek
name: Radonić, Aleksandar
name: Nitsche, Andreas
name: Theuring, Stefanie
name: Bannert, Norbert
name: Sewangi, Julius
name: Mbezi, Paulina
name: Dugange, Festo
name: Harms, Gundel
name: Meixenberger, Karolin
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2015
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: Background Pregnant HIV-infected women were screened for the development of HIV-1 drug resistance after implementation of a triple-antiretroviral transmission prophylaxis as recommended by the WHO in 2006. The study offered the opportunity to compare amplicon-based 454 ultra-deep sequencing (UDS) and allele-specific real-time PCR (ASPCR) for the detection of drug-resistant minor variants in the HIV-1 reverse transcriptase (RT). Methods Plasma samples from 34 Tanzanian women were previously analysed by ASPCR for key resistance mutations in the viral RT selected by AZT, 3TC, and NVP (K70R, K103N, Y181C, M184V, T215Y/F). In this study, the RT region of the same samples was investigated by amplicon-based UDS for resistance mutations using the 454 GS FLX System. Results Drug-resistant HIV-variants were identified in 69% (20/29) of women by UDS and in 45% (13/29) by ASPCR. The absolute number of resistance mutations identified by UDS was twice that identified by ASPCR (45 vs 24). By UDS 14 of 24 ASPCR-detected resistance mutations were identified at the same position. The overall concordance between UDS and ASPCR was 61.0% (25/41). The proportions of variants quantified by UDS were approximately 2–3 times lower than by ASPCR. Amplicon generation from samples with viral loads below 20,000 copies/ml failed more frequently by UDS compared to ASPCR (limit of detection = 650 copies/ml), resulting in missing or insufficient sequence coverage. Conclusions Both methods can provide useful information about drug-resistant minor HIV-1 variants. ASPCR has a higher sensitivity than UDS, but is restricted to single resistance mutations. In contrast, UDS is limited by its requirement for high viral loads to achieve sufficient sequence coverage, but the sequence information reveals the complete resistance patterns within the genomic region analysed. Improvements to the UDS limit of detection are in progress, and UDS could then facilitate monitoring of drug-resistant minor variants in the HIV-1 quasispecies.
Performance of the distributed Brillouin sensor: Benefits and penalties due to pump depletion
Creators: name: Ravet, Fabien
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2007
Subjects: subject: Physics, Optics.

description: Disaster prevention in civil infrastructures requires the use of techniques that allow temperature and strain measurements in real time over lengths of a few meters to tens of kilometres. The distributed Brillouin sensor (DBS) technique has the advantage to combine all these characteristics. The sensing mechanism of the DBS involves the interaction of two counter-propagating lightwaves, the Stokes and the pump, in an optical fibre. Spatial information is obtained through time domain analysis. The sensing data are recorded from the measurement of the pump depletion. We explore the benefits and the drawbacks of this approach and show that there is a power range for which the sensing performances are optima. To achieve that goal, Brillouin fibre generator (BFG) and amplifier (BFA) were studied leading to the derivation of a threshold definition for the BFA, which is the configuration of the DBS. Within that context, numerical and analytical models describing the stimulated Brillouin scattering (SBS) interaction are introduced and validated experimentally. Even if pump depletion is carefully controlled, the Brillouin spectrum shape, and hence the sensor performance, still depend on the sensing parameters such as power, pulse and fibre characteristics. We use a signal processing method grounded in the physics of Brillouin scattering. An analytical approximation, valid for the optimum sensing region, reconstructs the Brillouin spectrum distribution from input sensing parameters and measured data. These data are obtained with a spectrum analysis methodology, based on three original tools: the Rayleigh equivalent criterion, the lengthstress diagram, and the spectrum form factors. This methodology has been successfully used on experimental spectra. The DBS and the signal processing approach were then used to monitor the structural changes in steel pipes and in a composite column, all subjected to heavy loads. The DBS measured the strain distribution of those structures while they were stressed. The DBS provided detailed information on the structure's health at local and global level, associated with deformations, cracks and buckling. This work demonstrates that the DBS is capable of extracting critical information useful to engineers: engineer's experience and judgement in conjunction with appropriate data processing methods make possible to anticipate structural failures. Keywords: Brillouin scattering, optical fibres, SBS threshold, Brillouin generator, Brillouin amplifier, gain saturation, pump depletion, sensor performance, spatial resolution, frequency resolution, signal processing, structural health monitoring, distributed Brillouin sensor, strain measurement.
Transforming household practices for enabling urban transitions to circular plastic economies: A practice perspective
Creators: name: Olamide, Shittu
Publisher: name: Swinburne
Year: 2024

description: This thesis explores how to transform plastic consumption in households sustainably and enable circular economy in cities. The focus of theory and policy on influencing individuals’ choices has been less effective in making households more sustainable. By adopting practice theory as an alternative perspective, this thesis examines the daily activities of low-income households using a mixed-methods approach including interviews, surveys, home tours and digital photography. Findings provide original insights into plastic materiality, sustainability practices and circular economy transitions. Additionally, this thesis discusses grassroots strategies to improve environmental governance and the implications of findings for policymakers and practitioners.
Rituximab induction therapy for de novo ANCA associated vasculitis in pregnancy: a case report
Creators: name: Harris, Claire
name: Marin, Judith
name: Beaulieu, Monica C
Publisher: name: BioMed Central
Year: 2018

description: Background: The diagnosis of antineutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV) is rare in pregnancy but potentially life threatening. There are no randomized controlled trials to guide the management of AAV in pregnancy and fetal safety data remains limited. Rituximab administration, a treatment for AAV, has been reported in pregnant women with reassuring fetal outcomes in the oncology and rheumatology literature; however, no published reports describe its use in AAV. Case presentation: We present a case of de novo myeloperoxidase positive (MPO) AAV diagnosed at 22 weeks gestation. Clinical presentation included elevated serum creatinine at 177 μmol/L, hematuria and nephrotic range proteinuria along with high-titre MPO. Diagnosis was confirmed by renal biopsy. Patient was treated with methylprednisolone IV followed by oral prednisone 70 mg daily and Rituximab 650 mg IV weekly for four weeks followed by azathioprine maintenance therapy and prednisone taper. Delivery occurred at 29 weeks gestation via cesarean section for maternal neurologic symptoms concerning for preeclampsia. Maternal and fetal CD + 19 cells were depleted at time of delivery with associated fetal lymphopenia in the absence of infection or other complications related to Rituximab use. The patient experienced a reduction in proteinuria and inflammatory markers following Rituximab therapy; however, serum creatinine increased to 375 μmol/L by 11 weeks post-partum. Conclusion: We report the first use, to our knowledge, of Rituximab with corticosteroids for induction therapy of AAV in pregnancy.
Art, Nature and the Virtual Environment: Three strands of a narrative inquiry written around a schoolyard garden as a collection of "events"
Creators: name: Cuerden, Barbara
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2010
Subjects: subject: Education, Environmental.
subject: Education, Pedagogy.

description: Working with an organization outside the public school system that was creating schoolyard gardens, I began to think about culture and cultivation inside and outside of schooling practices. The liveliness of schoolyard gardens presented possibilities for enlivening educational discourses. With two participants I planted a container box "schoolyard" garden outside Lamoureux Hall, which houses the Faculty of Education. Utilizing aspects of place-based pedagogy, ecoliteracy, ecopedagogy and a metissage of a/r/tography, eco-art and writing as a method of inquiry, we tended the garden and dwelled upon ideas of nature, culture, and their intersection in a particular place. Our garden experiences left cyber footprints in virtual space as blog spots on a thesis blog site1. The garden and the inquiry it generated outside is brought back inside the Education building as a Masters thesis. The garden grew in different and unpredictable ways due to intense construction on site entwining the planter boxes with unforeseen variables. 1http://escapelot.wordpress.com
Joy, Culture, and Sharing : Relational Food Literacy in the Classroom
Creators: name: Fife, Darren Robert
Publisher: name: The University of British Columbia
Year: 2025

description: This graduating paper explores the concept of relational food literacy, centered around joy, culture, and sharing, and its presence within middle years food education. Using an action research approach, I examine critical moments in my own teaching practice and document the development and enactment of The Food Stories Project, a student-centered learning experience that invited personal storytelling around the meaning we attach to food-related events. Grounded in multicultural pedagogy and an understanding of pedagogy as relationship, this inquiry connects classroom experiences with literature to bring relational food literacy to the forefront of food education. Findings reveal that relational food literacy is not a set of competencies to be delivered, but a dynamic, lived practice fostered through responsive pedagogy. It is most visible when teachers share power, listen actively, and co-create spaces of care and cultural affirmation. In this context, food becomes more than a topic of instruction, but a vehicle for identity, community, and connection. This work also considers the systemic challenges facing relational approaches, particularly within educational systems that prioritize technical skill development. By positioning relational food literacy as a transformative educational practice, this graduating paper advocates for a more human-centered, culturally sustaining vision of food education, one that cultivates mutual understanding, celebrates diversity, and reclaims the joy and meaning of shared food experiences.
Simulating future salinity dynamics in a coastal marshland under different climate scenarios
Creators: name: Eberhard, Julius
name: Gräff, Thomas
name: Van Schaik, N. Loes M. B.
name: Schibalski, Anett
Publisher: name: My University
Year: 2018

description: Salinization is a well-known problem in agricultural areas worldwide. For the last 20-30 years, rising salinity in the upper, unconfined aquifer has been observed in the Freepsumer Meer, a deep grassland area near the German North Sea coast. In order to investigate long-term development of soil salinity and water balance, the one-dimensional SWAP model was set up and calibrated for a soil column in the area, simulating water and salt balance at discrete depths for 1961-2099. The model setup involved a deep aquifer as the only source of salt through upward seepage since other sources were negligible. In the vertical salt transport equation, only dispersion and advection were included. Six different regional outputs of statistical downscaling methods (WETTREG, XDS), based on simulations of different GCMs (ECHAM5, ECHAM6, IPSL-CM5) driven by greenhouse gas emission scenarios (SRES-A2, SRES-B1) and concentration pathways (RCP45, RCP85), were used as scenarios. These comprised different rates of increasing surface temperature and essentially different trends in seasonal rainfall. The results of the model runs exhibit opposing salinity trends for topsoil and deeper layers: While the projections of some scenarios entail decreasing salinities near the soil surface, most of them project a rise in subsoil salinity with strongest trends of up to +0.9 mg cm-3 (100a)-1 at -65 cm. The results suggest that topsoil salinity trends are affected by the magnitude of winter rainfall trends while high subsoil salinity trends correspond to low winter rainfall and high summer temperature. Absolute salinity is high in scenarios of high-temperature and low-rainfall summers. How these projected trends affect the vegetation and thereby future land use will depend on the future management of groundwater levels in the area. © Author(s) 2019
Tackling injustices of occupational lung disease acquired in South African mines: recent developments and ongoing challenges
Creators: name: Kistnasamy, Barry
name: Yassi, Annalee
name: Yu, Jessica
name: Spiegel, Samuel J.
name: Fourie, Andre
name: Barker, Stephen
name: Spiegel, Jerry M.
Publisher: name: BioMed Central
Year: 2018

description: Background: South Africa’s mineral resources have produced, and continue to produce, enormous economic wealth; yet decades of colonialism, apartheid, capital flight, and challenges in the neoliberal post-apartheid era have resulted in high rates of occupational lung disease and low rates of compensation for ex-miners and their families. Given growing advocacy and activism of current and former mine workers, initiatives were launched by the South African government in 2012 to begin to address the legacy of injustice. This study aimed to assess developments over the last 5 years in providing compensation, quantify shortfalls and explore underlying challenges. Methods: Using the database with compensable disease claims from over 200,000 miners, the medical assessment database of 400,000 health records and the employment database with 1.6 million miners, we calculated rates of claims, unpaid claims and shortfall in claim filing for each of the southern African countries with at least 25,000 miners who worked in South African mines, by disease type and gender. We also conducted interviews in Johannesburg, Eastern Cape, Lesotho and a local service unit near a mine site, supplemented by document review and auto-reflection, adopting the lens of a critical rights-based approach. Results: By the end of 2017, 111,166 miners had received compensation (of which 55,864 were for permanent lung impairment, and another 52,473 for tuberculosis), however 107,714 compensable claims remained unpaid. Many (28.4%) compensable claims are from Mozambique, Lesotho, Swaziland, Botswana and elsewhere in southern Africa, a large proportion of which have been longstanding. A myriad of diverse systemic barriers persist, especially for workers and their families outside South Africa. Calculating predicted burden of occupational lung disease compared to compensable claims paid suggests a major shortfall in filing claims in addition to the large burden of still unpaid claims. Conclusion: Despite progress made, our analysis reveals ongoing complex barriers and illustrates that the considerable underfunding of the systems required for sustained prevention and social protection (including compensation) needs urgent attention. With class action suits in the process of settlement, the globalized mining sector is now beginning to be held accountable. A critical rights-based approach underlines the importance of ongoing concerted action by all.
Mode locked fiber lasers and their application in microwave signal generation
Creators: name: Deng, Zhichao
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Engineering, Electronics and Electrical.
subject: Physics, Optics.

description: An investigation of mode-locked fiber ring lasers and their applications in photonic generation of microwave signals is presented in this thesis. Both passive mode locking and active mode locking are investigated. For the passive mode-locking, a fiber laser with figure-eight structure that incorporates a nonlinear amplifying loop mirror as a saturable absorber is proposed and demonstrated. One application of the demonstrated passively mode locked fiber ring laser is to generate high-quality microwave signals. In this thesis, a microwave signal generated by beating the mode-locked longitudinal modes at a photodetector is realized. The results show that the generated microwave signal has low phase noise with high stability. Multiwavelength mode locked laser can find many applications in optical communications. In this thesis, a multiwavelength passively mode-locked fiber ring laser using cascaded fiber Bragg gratings is proposed and demonstrated. It is different from multiwavelength active mode locking in which the round-trip frequencies for all wavelengths must be identical; for passive mode locking, it is demonstrated theoretically and experimentally that the round-trip frequencies are not necessarily identical. A three-wavelength fiber ring laser that is passively mode locked with non-identical round-trip frequencies is demonstrated. (Abstract shortened by UMI.)
Comorbidity in prediction of in-hospital mortality among diabetic patients: A study-derived index
Creators: name: Zhao, Wenxia (Helen)
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Health Sciences, Public Health.
subject: Health Sciences, Health Care Management.

description: The present study developed and validated a comorbidity index specifically for prediction of in-hospital mortality among diabetic inpatients in Canada. The analysis was based on data from the Hospital Person-Oriented Information Database (HPOI) for the study period from 1995/96 through 2000/01. The study included all the hospitalizations with a primary or secondary diagnosis of diabetes (ICD-9 code: 250.x) in acute care hospitals for patients aged 45 years or older with a length of stay of 90 days or less in ten provinces. All episodes of hospitalization for each patient were linked using a unique patient identifier, and one was randomly selected for the analyses. The study population of 578,222 diabetic inpatients was randomly divided into two parts, which were used either to develop or to validate the index. Multiple logistic regression models were used to develop and validate the index. A total of 22 diabetic comorbidities including 14 coexistent general medical conditions and 8 diabetic complications were included in the study-derived index, which had a better predictive performance as compared with D'Hoore-Charlson index and the simple count of comorbidities. The study-derived index can be used to control for potential confounding caused by comorbidity in the exploratory data analysis of diabetes research, to assist in creating more effective diabetes management system and to evaluate the prognosis of diabetic inpatients for health care provider.
Canada's "New main street": The Trans-Canada Highway as idea and reality, 1912-1956.
Creators: name: Monaghan, David W.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1997
Subjects: subject: History, Canadian.

description: The purpose of this thesis is two-fold. First it examines the development of the concept of a Trans-Canada Highway from the early 1900's to 1940. Its roots can be traced to the significant increase in motor vehicle use, and the gathering momentum that characterized automobile technology in the 20th century. While the early development of the technology relied upon the promotional activities of automotive enthusiasts, the state was by no means oblivious to the potential benefits of automotive technology. Provincial governments in Canada contributed to the momentum through the provision of improved roads. Indeed, without publically funded roads, the new technology would have bogged down both literally and metaphorically The thesis outlines the technological momentum that characterized developments in highway technology and standards in the face of rising traffic volumes and the role of highway bureaucracies in promoting and sustaining the growth of the technology. It also explores how road networks allowed provincial governments to expand their own influence and, through user fees and gasoline taxes, to increase substantially their revenue base. By the 1920s automobile revenues comprised the major source of provincial revenues in Canada due to both domestic demand and a burgeoning tourist trade based upon motor travel. Secondly, the thesis examines why the federal government became involved in the construction of a great national road. This was by no means a foregone conclusion since the Canadian constitution effectively excluded the federal government from the provincial demesne of highway and road development. Nevertheless, by 1919 Ottawa was providing funding to the provinces for the development of a national highway system. While most provinces were eager to accept financial assistance for an increasingly expensive highway system, Ottawa remained uneasy in its role as a highway financier. This thesis will show that from the 1920s through the early 1950s the primary interest of the federal government in the Trans-Canada Highway was as a weapon against unemployment, the government's interest in the road waxing and waning with the business cycle. Ottawa's decision to embark upon the project in 1949-1950 was essentially driven by its concerns over rising unemployment and as a form of public investment designed to help counteract a projected downturn in the Canadian economy. However, once it had committed it self to the construction of a first rate, hard-surfaced highway in 1949, Ottawa was no longer content to simply fund the project but established the minimum standards and the route to be followed by the Trans-Canada Highway. With this higher level of involvement, the prestige of the federal Liberals then became associated with the Highway and its primary goal was the completion of a national highway.
Effects of selection cutting on soil chemistry, plant community composition and structural features of northern hardwood forests
Creators: name: Stow, Nicholas
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2003
Subjects: subject: Biology, Ecology.
subject: Agriculture, Forestry and Wildlife.

description: Selection-cutting is the preferred method of logging in northern hardwood forests, because it is thought to favor the regeneration of valuable, shade-tolerant trees, maximize long-term productivity, and increase the health, quality and economic value of residual trees. Claims have also been made for the ecological sustainability of selection cutting, in particular that it: (a) preserves soil fertility; (b) maintains natural canopy composition; (c) protects plant and animal habitat. I evaluated these claims by studying the effects of selection-cutting on several measures of soil fertility (Ca, Al, Ca/Al molar ratios, pH), canopy composition and tree regeneration, herbaceous layer composition, and structural features related to habitat quality (cavity trees, snags, coarse woody debris) in 55 stands ranging from newly cut to old-growth (not all data overlaps). I found that forest growth after selection-cutting depletes soil solution calcium and lowers soil solution Ca/Al molar ratios, posing a threat to long-term forest health and productivity, particularly at higher elevations and in sites on siliceous bedrock. I found that selection-cut stands dominated by red oak (Quercus rubra) are converting to sugar maple (Acer saccharum) stands, posing a threat to both canopy and herbaceous layer diversity. I found no lasting effects of selection-cutting on herbaceous layer composition, diversity or quality, but I found indirect threats from the conversion of red oak stands to sugar maple and from depletion of soil solution calcium. Finally, I found that current selection-cutting practices generally do not meet published targets for large trees, cavity trees, snags and coarse woody debris, but that they probably could meet those targets with minor changes to cutting practices. I conclude by discussing the implications of these results for the management of northern hardwood forests.
Activity level and body mass index: An analysis of the Canadian Forces Health and Lifestyle Information Survey
Creators: name: Bennett, Carol L
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Health Sciences, Public Health.

description: The increasing prevalence of overweight status and obesity among the general population is a major public health concern. There is debate surrounding the role of recreational physical activity in the prevention of weight gain at the population level. This study examined the cross-sectional association between overweight status and obesity and recreational physical activity in a large representative sample of members of the Canadian Armed Forces (n = 4749) using polytomous logistic modelling. A systematic review of the literature looking at the longitudinal relationship between activity level and body mass was conducted and a health promotion intervention was developed. After adjustment for several significant covariates, recreational energy expenditure was significantly and inversely associated with the prevalence of class I obesity compared to normal weight classification (OR 0.94, 95% CI 0.90-0.97), but was not significantly associated with the odds of having a BMI classified as either overweight or obese class II/III (OR 1.01, 95% CI 0.98-1.03; OR 0.93, 95% CI 0.85-1.02) versus having a BMI classified as normal. This study suggests efforts to prevent overweight status and obesity at the population level could profitably address physical activity habits but need to consider the multi-factorial nature of the problem.
Konzept zur absoluten Verminderung des Energiebedarfs
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2016
Subjects: subject: Energieeinsparung
subject: Privathaushalt
subject: Suffizienzprinzip
subject: Ernährung
subject: Energiesparen
subject: Öko-Suffizienz
subject: Ökobau
subject: energiesparende Geräte
subject: Mobilität
subject: Klima | Energie
subject: Climate | Energy

description: Die Studie untersucht verhaltensbedingte Maßnahmen zur absoluten Energieeinsparung in Haushalten, die zusätzliche Einsparungen gegenüber bestehenden Szenarien, insbesondere "Politikszenarien VI" erbringen könnten. Der Beitrag zu den Zielen des Energiekonzeptes wird abgeschätzt; dabei werden sowohl Investitionsverhalten als auch Nutzungsverhalten betrachtet. Da die meisten Effizienzmaßnahmen bereits in anderen Szenarien behandelt wurden, liegt ein weiterer Fokus auf Suffizienz. Analysiert werden die Bedürfnisfelder Bauen und Wohnen, Geräte, Mobilität und Ernährung sowie das Handlungsfeld Schule und Arbeitsplatz.Quelle: https://www.umweltbundesamt.de
description: Die Studie untersucht verhaltensbedingte Maßnahmen zur absoluten Energieeinsparung in Haushalten, die zusätzliche Einsparungen gegenüber bestehenden Szenarien, insbesondere „Politikszenarien VI“ erbringen könnten. Der Beitrag zu den Zielen des Energiekonzeptes wird abgeschätzt; dabei werden sowohl Investitionsverhalten als auch Nutzungsverhalten betrachtet. Da die meisten Effizienzmaßnahmen bereits in anderen Szenarien behandelt wurden, liegt ein weiterer Fokus auf ⁠Suffizienz⁠. Analysiert werden die Bedürfnisfelder Bauen und Wohnen, Geräte, Mobilität und Ernährung sowie das Handlungsfeld Schule und Arbeitsplatz.
The 2dF galaxy redshift survey: Hierarchical galaxy clustering
Creators: name: Baugh, C. M.
name: Croton, Darren
name: Gaztañaga, E.
name: Norberg, P.
name: Colless, M.
name: Baldry, I. K.
name: Bland-Hawthorn, J.
name: Bridges, T.
name: Cannon, R.
name: Cole, S.
name: Collins, C.
name: Couch, Warrick
name: Dalton, G.
name: De Propris, R.
name: Driver, S. P.
name: Efstathiou, G.
name: Ellis, R. S.
name: Frenk, C. S.
name: Glazebrook, Karl
name: Jackson, C.
name: Lahav, O.
name: Lewis, I.
name: Lumsden, S.
name: Maddox, S.
name: Madgwick, D.
name: Peacock, J. A.
name: Peterson, B. A.
name: Sutherland, W.
name: Taylor, K.
Publisher: name: Swinburne
Year: 2024

description: We use the Two-Degree Field Galaxy Redshift Survey (2dFGRS) to test the hierarchical scaling hypothesis: namely, that the p-point galaxy correlation functions can be written in terms of the two-point correlation function or variance. This scaling is expected if an initially Gaussian distribution of density fluctuations evolves under the action of gravitational instability. We measure the volume-averaged p-point correlation functions using a counts-in-cells technique applied to a volume-limited sample of 44 931 L* galaxies. We demonstrate that L* galaxies display hierarchical clustering up to order p = 6 in redshift space. The variance measured for L* galaxies is in excellent agreement with the predictions from a Λ-cold dark matter N-body simulation. This applies to all cell radii considered, 0.3 < (R/h-1 Mpc) < 30. However, the higher order correlation functions of L* galaxies have a significantly smaller amplitude than is predicted for the dark matter for R < 10 h-1 Mpc. This disagreement implies that a non-linear bias exists between the dark matter and L* galaxies on these scales. We also show that the presence of two rare, massive superclusters in the 2dFGRS has an impact on the higher-order clustering moments measured on large scales.
The Role of DPO-1 and XE991-Sensitive Potassium Channels in Perivascular Adipose Tissue-Mediated Regulation of Vascular Tone
Creators: name: Tsvetkov, Dmitry
name: Tano, Jean-Yves
name: Kassmann, Mario
name: Wang, Ning
name: Schubert, Rudolf
name: Gollasch, Maik
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2016
Subjects: subject: XE991
subject: KCNQ channels
subject: KV1.5 channels
subject: adipocyte-derived relaxing factor (ADRF)
subject: perivascular adipose tissue (PVAT)
subject: BK channels
subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: The anti-contractile effect of perivascular adipose tissue (PVAT) is an important mechanism in the modulation of vascular tone in peripheral arteries. Recent evidence has implicated the XE991-sensitive voltage-gated KV (KCNQ) channels in the regulation of arterial tone by PVAT. However, until now the in vivo pharmacology of the involved vascular KV channels with regard to XE991 remains undetermined, since XE991 effects may involve Ca2+ activated BKCa channels and/or voltage-dependent KV1.5 channels sensitive to diphenyl phosphine oxide-1 (DPO-1). In this study, we tested whether KV1.5 channels are involved in the control of mesenteric arterial tone and its regulation by PVAT. Our study was also aimed at extending our current knowledge on the in situ vascular pharmacology of DPO-1 and XE991 regarding KV1.5 and BKCa channels, in helping to identify the nature of K+ channels that could contribute to PVAT-mediated relaxation. XE991 at 30 μM reduced the anti- contractile response of PVAT, but had no effects on vasocontraction induced by phenylephrine (PE) in the absence of PVAT. Similar effects were observed for XE991 at 0.3 μM, which is known to almost completely inhibit mesenteric artery VSMC KV currents. 30 μM XE991 did not affect BKCa currents in VSMCs. Kcna5−/− arteries and wild-type arteries incubated with 1 μM DPO-1 showed normal vasocontractions in response to PE in the presence and absence of PVAT. KV current density and inhibition by 30 μM XE991 were normal in mesenteric artery VSMCs isolated from Kcna5−/− mice. We conclude that KV channels are involved in the control of arterial vascular tone by PVAT. These channels are present in VSMCs and very potently inhibited by the KCNQ channel blocker XE991. BKCa channels and/or DPO-1 sensitive KV1.5 channels in VSMCs are not the downstream mediators of the XE991 effects on PVAT-dependent arterial vasorelaxation. Further studies will need to be undertaken to examine the role of other KV channels in the phenomenon.
There are images everywhere for those with the eyes to see
Creators: name: Sovrani, Piero
Publisher: name: The University of British Columbia
Year: 2025

description: GPI examines how Post-Internet practices can influence architecture's relation- ship with the image world and rethink the mediation of design through digital technologies. In an era where architects are inundated with visual data, the disconnect between information and authorship has grown larger and larger. In this phase of the project, Post-Internet methods of working with images are studied to understand how digital information's mutability is employed to re- negotiate notions of authorship and individuality. Through this lens, the project proposes an adaptive, curatorial approach to architecture, where meaning is constructed through processes of selection and recombination rather than purely authored creation. GPII builds on the cultural conditions of the web: an endless, mutable database of images in constant states of extraction, repurposing, and proliferation. Concepts such as information saturation, ubiquitous authorship, infinite reproducibility, and attention as currency shape the project's design and aesthetic processes. Vancouver Library Square—designed by Moshe Safdie and completed in 1995—is selected as a site, itself acting as a repository of architectural "moments" and stylistic amalgamations. Following a three-phase loop of retrieval, curation, and dissemination, 36 photographs of the library were taken, cleaned, and used to create an image database. Architectural references were extracted using Chat G P T, and a new dataset of 36 images was generated with MidJourney. These synthesized images were then translated into architectural line drawings and 3D models, inserted into a re-imagined plan and section of the existing library. The resulting project proposes a new kind of architectural archive, where the layering of past and new moments creates a saturated, dynamic addition to Library Square.
Contention reduction and reliability enhancement for optical burst switching
Creators: name: Maach, Abdelilah
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Computer Science.

description: The rapid growth of the Internet and the advent of WDM in the second generation of optical network systems have led to the extensive use of optical resources available for switching and routing. Such growth has boosted the research activities that focus on the most efficient techniques to make better use of the enormous speed and bandwidth of all-optical networks. Following the trend of carrying IP traffic over WDM, many research initiatives started under two major strategies: Wavelength Routing and Optical Burst Switching. Wavelength Routing is a technique that allows the establishment of direct end-to-end light channels between two nodes, known as light-paths. Whereas Optical Burst Switching is a forwarding technique employed with a transparent optical backbone aiming to keep a large part of the information in the optical domain, and reduce the opto-electronic conversion overhead. Optical Burst Switching is an attractive hybrid approach between coarse-grain optical circuit switching and fine-grain optical packet switching. However, a major concern for OBS networks is contention on outgoing data channels, which can result in burst loss. Therefore, contention resolution is necessary in order to handle the case where more than one burst are destined to go out of the same output port at the same time. This work explores the contention problem that occurs in optical burst switching. In order to control the contention and pave the way to optical burst switching to be more suitable for Internet traffic, we propose to use OBS with segmentation where a burst is broken into many small (in size) segments. In case of contention we remove only the segments involved in the contention. We also propose a hybrid architecture where part of the wavelengths is used for OBS and the others are used for wavelength routing technique. The edge node can use both of them and send the data according to the class of traffic. Another solution consists of controlling the network load. Indeed, under heavy traffic, the loss in OBS increases. Therefore one needs to control the traffic and keep the network away from congestion. Here we propose a protocol that reports the losses in the network to the edge nodes, so they can adjust the traffic accordingly. We propose also another protocol to retransmit the lost bursts. (Abstract shortened by UMI.)
Weighing the importance of trust in maximising stakeholder engagement: A case study from Colombia on a plastic packaging waste management system
Creators: name: Ivorra Peñafort, Lucas Rafael
Publisher: name: Swinburne
Year: 2024

description: Motivating stakeholders to engage in sustainability projects to comply with government legislation can be challenging and require them to build trust to facilitate collaboration. It is particularly hard in contexts where people and organisations deal with unequal needs, capacities and access to quality information. However, this thesis demonstrates that people and organisations can build trust and collaborate in shared initiatives in challenging contexts motivated by satisfying their material and emotional/affective needs, including pursuing a purposive life. This thesis helps society by providing a fresh, creative way for the stakeholders to build trust-based collaborative relationships in sustainability initiatives.
(M)RHD numerical simulations: powerful tool for insight into (variable) stars
Creators: name: Fabbian, Damian
Publisher: name: Zenodo
Year: 2024

description: The ever-increasing inflow and steadily-improving quality of observational data of (variable) stars needs to stand on the solid footing of theory and relevant numerical simulations. Derivation of stellar parameters follows from comparison with models. Only the use of the best achievable tools, namely (magneto)-radiation-hydrodynamics -- (M)RHD -- stellar atmospheric models coupled with advanced radiative transfer, ensures optimal results. However, these advanced models can only be obtained via time-consuming supercomputer simulations. Therefore, a compromised approach makes sense to achieve the speed and efficiency in properly analysing the vast amount of observational data. The presentation includes a discussion on current knowledge about the Sun, terrestrial climate, stellar magnetic cycles, and numerical modelling of stellar surfaces. 
description: Collaboration team, as well as support in the form of supercomputing resource allocation and of funding via research grants, acknowledged on the first slide after the title slide. 

 

Literature references and credits of figures given in each instance.
Quantum Evolution in Genetic Inheritance: A Computational Framework Integrating Quantum Entanglement, Fluctuations, and Algorithmic Adaptation
Creators: name: Rabbani, Hassan Rabbani
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Computational Biology
subject: Computational neuroscience
subject: Models, Genetic
subject: Modern genetics

description: We propose a quantum-theoretical model of genetic inheritance, integrating quantum fluctuations, entanglement, and an adaptive Transmission Control Protocol (TCP)-based evolutionary function. Our framework defines a genetic state density matrix that evolves via quantum operators, introducing entanglement-driven genotype correlations across generations. Additionally, we redefine natural selection as an algorithmic process, where genotype adaptation follows a feedback-regulated TCP function. Computational validation—including Monte Carlo simulations, density matrix evolution, and stochastic perturbation modeling—demonstrates that while quantum fluctuations fine-tune genetic evolution, they do not override classical selection mechanisms. These findings offer a novel paradigm for non-Mendelian inheritance, integrating quantum mechanics, information theory, and evolutionary biology.
Sustainability issues of commercial non-timber forest product extraction in West Suriname
Creators: name: Van Den Boog, Tim
name: Bulkan, Janette
name: Tansey, James
name: Van Andel, Tinde R
Publisher: name: BioMed Central
Year: 2018

description: Background: Non-timber forest products (NTFPs) have been traded for millennia by indigenous communities. Current increased demands driven by globalisation, however, put more pressure on local harvesters and their surrounding ecosystems. The safeguarding of indigenous access rights to harvesting grounds is needed, either through communal land titles or collaborative management agreements, both to secure prior indigenous rights and to minimise further negative ecological impacts. Methods: This study was carried out in two indigenous communities in West Suriname located along the Corentyne River. We assessed the three economically most important NTFPs for each community. We determined the land tenure status of harvesting grounds and negative impacts on target species and/or ecosystem. Ethnobotanical data were collected (n = 53), and semi-structured interviews were held with hunters and gatherers (n = 13). Local and national maps were acquired, and their data merged. Results: Results showed that the communities have no tenure security over their most important harvesting sites. These collection sites are State owned and some under (active) logging concession. All of the traded wild animal populations had decreased because of increased local and non-local commercial interest, especially the stingray Potamotrygon boesemani (first described in 2008), which was traded for US$250 per live specimen. The stingray population had become imperilled within months as local and (inter-) national regulations for this species are non-existent. Conclusions: We stress the urgent need for collaborative management agreements over the harvesting sites between the government of Suriname and the indigenous communities to prevent further non-local developments and harvesting to disturb the local economy. An immediate moratorium on the export of P. boesemani is necessary to prevent the extinction of this endemic stingray.
Pregled odabranih presuda Europskog suda za ljudska prava protiv Hrvatske za 2020. godinu
Creators: name: Dabić, Tea
Publisher: name: Kuća ljudskih prava Zagreb
Year: 2020
Subjects: Europski sud za ljudska prava
Hrvatska

description: Kuća ljudskih prava Zagreb izradila je pregled tri odabrane presude Europskog suda za ljudska prava koje su ili donesene ili postale konačne u 2020. godini u cilju informiranja javnosti o sadržaju donesenih odluka. Imajući na umu da su domaći sudovi dužni tumačiti nacionalno pravo u skladu s izraženim zaključcima, utvrđenjima i praksom Europskog suda, od ključne je važnosti poznavanje i razumijevanje judikature Europskog suda.
title: La TCDM como paso inicial en la hemorragia digestiva baja aguda
Creators: name: Martí De Gracia, Milagros
Publisher: name: Sociedad Española de Radiología Médica
Year: 2012
Subjects: subject: Haemorrhage
subject: Diagnostic procedure
subject: CT-Angiography
subject: Emergency

description: Objetivos
Material y método
Resultados
Conclusiones
description: Objetivos:
•Valorar si la utilización de la TCMD,
como exploración inicial,
en la HDBA,
mejora el proceso diagnostico en la hemorragia digestiva baja aguda comparado con el algoritmo convencional donde es la colonoscopia •Determinar si la identificación...