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Articles 18871 - 18900 of 20317
Full-Text Articles in Entire DC Network
A Study Of The Family Spercheidae (Coleoptera) From Turkey, Mustafa Cemal Darilmaz, Suat Kiyak
A Study Of The Family Spercheidae (Coleoptera) From Turkey, Mustafa Cemal Darilmaz, Suat Kiyak
Turkish Journal of Zoology
The distributional data of all known taxa of the Turkish species Spercheus were summarized. Spercheus emarginatus (Schaller) were recorded for the first time in Turkey and additional locality data were presented for Spercheus senegalensis Laporte. Diagnostic characters of the new record, photographs of their aedeagus and some morphological particulars were provided, as well as a key to the species of the genus from Turkey and adjacent areas.
First Record Of Aiptasia Mutabilis (Cnidaria: Anthozoa) From Turkish Seas, Herdem Aslan Ci̇hangi̇r, M. Antonietta Pancucci-Papadopoulou, Eli̇f Can Yilmaz
First Record Of Aiptasia Mutabilis (Cnidaria: Anthozoa) From Turkish Seas, Herdem Aslan Ci̇hangi̇r, M. Antonietta Pancucci-Papadopoulou, Eli̇f Can Yilmaz
Turkish Journal of Zoology
The biodiversity of the Specially Protected Marine Area at Foca (Turkish Aegean Sea) was studied by scuba diving during October 2008. In the framework of this study the actinarian Aiptasia mutabilis (Gravenhorst, 1831) was found for the first time in Turkish waters. This new record extends the known geographical distribution of the species.
A Brief Review Of Morphological Variation In Natrix Tessellata In Israel: Between Sides, Among Individuals, Between Sexes, And Among Regions, Yehudah Leopold Werner, Tal Shapira
A Brief Review Of Morphological Variation In Natrix Tessellata In Israel: Between Sides, Among Individuals, Between Sexes, And Among Regions, Yehudah Leopold Werner, Tal Shapira
Turkish Journal of Zoology
After introducing the distribution and biology of Natrix tessellata in Israel, on the southern edge of its range, we address its intraspecific variation from the literature and examination of 262 museum specimens. Head pholidosis showed no significant directional asymmetry, but asymmetry in infralabial plates was significantly correlated with frequency of injured tails. Variation in body size showed no clear seasonal growth, presumably due to climatic fluctuations. The variation in number of ventrals (in males, 159-173, mode 165) was not geographical. Females attained 750-800 mm (head and body; mode 600-650) and males 700-750 (mode 500-600) mm. Females had significantly greater relative …
The Spatial And Temporal Distributions Of Waterbirds In Lakes Akşehir-Eber And Lake Köyceğiz In Western Anatolia, Turkey - A Comparative Analysis, Fulya Saygili, Nuri̇ Yi̇ği̇t, Şafak Bulut
The Spatial And Temporal Distributions Of Waterbirds In Lakes Akşehir-Eber And Lake Köyceğiz In Western Anatolia, Turkey - A Comparative Analysis, Fulya Saygili, Nuri̇ Yi̇ği̇t, Şafak Bulut
Turkish Journal of Zoology
The waterbirds at 2 wetlands (Lakes Akşehir-Eber and Köyceğiz) in western Turkey were compared to determine their spatial and temporal distributions along with their habitat characteristics. The waterbirds were evaluated according to whether they were residents, winter migrants, summer migrants, or transit migrants and were assigned to foraging behavior groups. At Lakes Akşehir-Eber, 67 waterbird species belonging to 17 families and 9 orders were observed, while at Lake Köyceğiz 42 species belonging to 14 families and 9 orders were recorded. The waterbird fauna in both lake systems is composed of the following bird groups in the same order of occurrence: …
The Ornithological Importance Of Dalaman (Muğla, Turkey) Wetlands And Threats To The Bird Population, Azi̇z Aslan, Yakup Kaska, Ali̇ Erdoğan
The Ornithological Importance Of Dalaman (Muğla, Turkey) Wetlands And Threats To The Bird Population, Azi̇z Aslan, Yakup Kaska, Ali̇ Erdoğan
Turkish Journal of Zoology
The study, conducted from May 2002 to December 2004, aimed to provide scientific baseline data about avifaunal richness, species of breeding birds, and threats that affect both bird species and ecosystems, and to support attempts to get official protection status for the Dalaman (Muğla, Turkey) wetlands. A total of 215 bird species were recorded using point counts throughout transect lines. The species' statuses were determined as follows: 56 residents, 78 summer visitors, 44 winter visitors, 22 passage migrants, and 15 undetermined. Of the 215 species, 93 (43%) were non-breeders. According to EBCC (European Bird Census Council) criteria, the 122 breeding …
The Fauna And Systematic Of The Genus Terellia R-D., 1830 (Diptera: Tephritidae) With A Key To The Species Of Terellia In Turkey, Murat Kütük, Mehmet Yaran
The Fauna And Systematic Of The Genus Terellia R-D., 1830 (Diptera: Tephritidae) With A Key To The Species Of Terellia In Turkey, Murat Kütük, Mehmet Yaran
Turkish Journal of Zoology
This study is based on the Terellia species collected from 27 provinces of Turkey during 1999-2006. The locality, host plants (including new records), and figures of the wing pattern of each species are given. An identification key to all 15 species of Terellia known from Turkey is presented and their distribution in Turkey and other countries summarized.
Helminth Parasites Of The Balkan Green Lizard, Lacerta Trilineata Bedriaga 1886, From Bursa, Turkey, Hi̇kmet Sami̇ Yildirimhan, Charles Robert Bursey, Fayik Naci̇ Altunel
Helminth Parasites Of The Balkan Green Lizard, Lacerta Trilineata Bedriaga 1886, From Bursa, Turkey, Hi̇kmet Sami̇ Yildirimhan, Charles Robert Bursey, Fayik Naci̇ Altunel
Turkish Journal of Zoology
Thirty-eight Balkan green lizards, Lacerta trilineata, from Turkey were examined for helminths. Three species of Digenea, Plagiorchis elegans, Pleurogenoides medians, Brachylaemus sp. (metacercaria); 2 species of Cestoda, Oochoristica tuberculata and Mesocestoides sp. (tetrathyridium); and 6 species of Nematoda, Abbreviata abbreviata, Ascarops strongylina (larva in cysts), Falcaustra armenica, Oswaldocruzia filiformis, Skrjabinelazia hoffmanni, Skrjabinodon medinae, were found. Lacerta trilineata represents a new host record for each of the parasite species; Plagiorchis elegans, Brachylaemus sp., Oochoristica tuberculata, Mesocestoides sp., Abbreviata abbreviata, Ascarops strongylina (larva), Falcaustra armenica Skrjabinelazia hoffmanni, and Skrjabinodon medinae are reported from Turkey for the first time.
Notes On The Halictus Latreille (Hymenoptera: Halictidae) Fauna Of Turkey, Fati̇h Di̇kmen, Ahmet Murat Ayteki̇n
Notes On The Halictus Latreille (Hymenoptera: Halictidae) Fauna Of Turkey, Fati̇h Di̇kmen, Ahmet Murat Ayteki̇n
Turkish Journal of Zoology
The Halictidae collections of the Natural History Museum of Vienna (Austria), the Oberösterreichisches Landesmuseum of Linz (Austria), and the Université de Mons-Hainaut (Belgium) were inspected in order to review the Halictus Latreille (Halictidae: Hymenoptera) fauna of Turkey. Added to this were data from the literature as well as data collected during our personal field studies in the central Anatolian and Mediterranean regions of Turkey between the years 2000 and 2009. Distribution maps are presented of 34 species from Turkey. In addition, information on world distributions and foraged flowers is given. This study reviews the status of the genus in Turkey …
The Fundamental Question When Applying The Welfare Principle: "Who Will Be The Better Parent Or Guardian"?, Siyuan Chen
The Fundamental Question When Applying The Welfare Principle: "Who Will Be The Better Parent Or Guardian"?, Siyuan Chen
Research Collection Yong Pung How School Of Law
The welfare principle – that is, when making a custody-related decision, the best interests of the child form the first and paramount consideration – is probably one of the cardinal principles of family law in many common law jurisdictions. While the welfare principle is generally considered a wide concept with no exhaustive definition or list of factors, it is submitted that there is an important question – sometimes neglected or misunderstood – that should actually feature most prominently when applying the welfare principle, particularly when joint or no order custody orders seem impossible. The question is simply that of “who …
Embracing Caregiving And Respecting Choice: An Essay On The Debate Over Changing Gender Norms, Nicole Buonocore Porter
Embracing Caregiving And Respecting Choice: An Essay On The Debate Over Changing Gender Norms, Nicole Buonocore Porter
Faculty Publications
This Essay is the third piece of my project to resolve what I call the "caregiver conundrum" for working caregivers. I define the "caregiver conundrum" broadly, to include all of the workplace norms, rules and practices that make it difficult for working caregivers to successfully balance work and family.
In conceptualizing my ideas, I realized that one of the critiques of my proposal would be that it does nothing to change the gender norms, or stated another way, it accepts the gendered division of work and family with which most people live. I do nothing to get women to do …
Design And Implementation Of A Voice-Controlled Prosthetic Hand, Musa Hakan Asyali, Mustafa Yilmaz, Mahmut Tokmakçi, Kanber Sedef, Beki̇r Hakan Aksebzeci̇, Rohin Mittal
Design And Implementation Of A Voice-Controlled Prosthetic Hand, Musa Hakan Asyali, Mustafa Yilmaz, Mahmut Tokmakçi, Kanber Sedef, Beki̇r Hakan Aksebzeci̇, Rohin Mittal
Turkish Journal of Electrical Engineering and Computer Sciences
Current hand prostheses are mostly driven by electromyography (EMG) signal, and existing experiments have proved that multichannel EMG signal controls are not suitable due to early fatigue problems and high effort requirements to perform even simple activities. Therefore, in this study we present a new voice-controlled active hand prosthesis to perform several basic tasks. We first designed a novel multifingered prosthetic hand with the ability of picking up and releasing objects. The prosthetic hand employs 3 DC motors and gears to transfer motion to the linked iparts of the fingers. We used flexible thin-film resistive force sensors at the fingertips …
Stray Magnetic Field Distributed Around A Pmsm, Ali̇ Ahmed Adam, Kayhan Gülez, Seli̇m Köroğlu
Stray Magnetic Field Distributed Around A Pmsm, Ali̇ Ahmed Adam, Kayhan Gülez, Seli̇m Köroğlu
Turkish Journal of Electrical Engineering and Computer Sciences
In this work, the low frequency electromagnetic emission from permanent magnet synchronous motors is studied. The main objective is to provide a safety region for humans in the vicinity of these motors, especially as these motors are now being used widely in inhabited areas, where high flux densities are expected. In this study, a new proposed equivalent magnetic circuit is used to estimate the stray fields at the surface of the motor. The analysis showed that the emission of the stray field in the radial direction depends on the permeability of the stator body. Low values of permeability may result …
Imitation Of Basic Hand Preshapes By Fluid Based Method: Fluidics Formation Control, Umut Ti̇lki̇, İsmet Erkmen, Aydan Müşerref Erkmen
Imitation Of Basic Hand Preshapes By Fluid Based Method: Fluidics Formation Control, Umut Ti̇lki̇, İsmet Erkmen, Aydan Müşerref Erkmen
Turkish Journal of Electrical Engineering and Computer Sciences
In this paper, a new approach is developed, avoiding the correspondence problem caused by the difference in embodiment between imitator and demonstrator in imitation learning. In our work, the imitator is a fluidic system of dynamics totally different than the imitatee, which is a human performing hand gestures. The fluidic system is composed of fluid particles, which are used for the discretization of the problem domain. In this work, we demonstrate the fluidics formation control so as to imitate by observation basic hand preshaping features. Our fluidic formation control is based on setting suitable parameters of Smoothed Particle Hydrodynamics (SPH), …
Recent Advances In The Synthetic And Mechanistic Aspects Of The Ruthenium-Catalyzed Carbon-Heteroatom Bond Forming Reactions Of Alkenes And Alkynes, Chae S. Yi
Chemistry Faculty Research and Publications
The group’s recent advances in catalytic carbon-to-heteroatom bond forming reactions of alkenes and alkynes are described. For the C–O bond formation reaction, a well-defined bifunctional ruthenium-amido catalyst has been successfully employed for the conjugate addition of alcohols to acrylic compounds. The ruthenium-hydride complex (PCy3)2(CO)RuHCl was found to be a highly effective catalyst for the regioselective alkyne-to-carboxylic acid coupling reaction in yielding synthetically useful enol ester products. Cationic ruthenium-hydride catalyst generated in-situ from (PCy3)2(CO)RuHCl/HBF4·OEt2 was successfully utilized for both the hydroamination and related C–N bond forming reactions of alkenes. For …
The Seen And Unseen: Religion And Identity In The Chicago American Indian Community, Eli Steven Suzukovich Iii
The Seen And Unseen: Religion And Identity In The Chicago American Indian Community, Eli Steven Suzukovich Iii
Graduate Student Theses, Dissertations, & Professional Papers
The following dissertation is an ethnographic community study focusing on religiosity and its relationship in maintaining tribal identity among urban Indians living in Chicago, Illinois. The research examines spirituality and religious practice in an urban Indian community and illuminates and examines how people conceptualize the sacred and how it applies to their sense of tribal, familial, and individual identities and its development through a lifetime. The goals of this research are to: 1) provide an overview of religiosity as it currently exists within the American Indian community of Chicago; and 2) examine religion and spirituality as is develops over time …
The Economic Impacts Of Wolves On Calf Production On Western Montana Cattle Ranches Beyond Direct Depredation, Joseph Ramler
The Economic Impacts Of Wolves On Calf Production On Western Montana Cattle Ranches Beyond Direct Depredation, Joseph Ramler
Graduate Student Theses, Dissertations, & Professional Papers
A novel sample of 18 western Montana cow-calf ranching operations were analyzed over a 16 year time period (1995-2010) using an ordinary least squares linear regression estimation model with robust standard errors focused on the potential effects wolves may have on average calf weight gain. Incorporating calf sex, calf breed, ranch, and year fixed effects into the estimation model, a vector of variables that changed both across ranches and over time were used to significantly explain (F = 59.32; p < 0.001) the variation in yearly average calf weaning weights on sample ranches with fairly good accuracy (R2 = 0.846). The use of hormone implanting (â=24.5), calf age (â=.34), annual aggregate precipitation (â=2.16), annual aggregate snowfall (â=-0.24), annual average temperature (â=4.27), and the standard deviation of NDVI (â=1.67) were found to be significant at least at the .1 level. One measure used to account for wolf presence on sample ranches based on yearly estimated wolf home range data from Montana Fish, Wildlife & Parks was found to have an insignificant effect on average calf weight (p = .569). The other measure used to account for wolf presence on sample ranches was found to be a significant factor on calf weight gain. On average, sample ranches that experienced at least one Wildlife Service (WS) confirmed wolf depredation on the ranch, weaned calves that were approximately 20 pounds lighter than ranches that did not have a WS confirmed wolf depredation in the same year, holding all else constant. The results suggest that calves on western Montana ranches that experience at least one WS wolf depredation in a year gain 20 pounds less weight than if there hadn’t been a WS confirmed wolf kill which directly correlates to decreased economic revenue received by affected ranchers.
The Effects Of Large Herbivores On Small Mammal Communities, Plants And Ecosystem Processes In Northern Arizona, Elliott Wentworth Reed Parsons
The Effects Of Large Herbivores On Small Mammal Communities, Plants And Ecosystem Processes In Northern Arizona, Elliott Wentworth Reed Parsons
Graduate Student Theses, Dissertations, & Professional Papers
Large herbivores are major drivers of community structure and function in many terrestrial systems. Through their direct effects on plants, large herbivores can influence the structure and complexity of habitats, the population abundance of animals that rely on those habitats, and the rates of ecosystem processes within those systems. These manifold impacts on systems are potentially magnifying, as removal of top predators and changes in land use have triggered large increases in large herbivore populations. Although increasing evidence suggests that large herbivores can critically shape the structure and function of the ecosystems they inhabit, few studies have detailed the direct …
The Patentability Of Human Embryonic Stem Cells: Is The Inconsistent Application Of The European Union Biotechnology Directive's Moral Exclusion Clause Undermining Investor Confidence In Europe, Providing A Competitive Advantage To The United States?, Stephen R. Donnelly
Dalhousie Journal of Legal Studies
The original justification for Directive 98/44/EC of the European Parliament and of the Council of 6 July 1998 on the Legal Protection of Biotechnological Inventions (the Directive) was to promote the growth of the European life science sector by harmonizing and clarifying European biotechnology patent laws. As early as 1985, the European Commission had identified the fragmentation of European patent laws as a potential problem. The Directive thus aimed to address obstacles to the unity of the internal market, which would arise if national Member States adopted divergent and uncoordinated policies and legislation in a field of economic activity that …
Bcc Skin Cancer Diagnosis Based On Texture Analysis Techniques, Shao-Hui Chuang, Xiaoyan Sun, Wen-Yu Chang, Gwo-Shing Chen, Adam Huang, Jiang Li, Frederic D. Mckenzie
Bcc Skin Cancer Diagnosis Based On Texture Analysis Techniques, Shao-Hui Chuang, Xiaoyan Sun, Wen-Yu Chang, Gwo-Shing Chen, Adam Huang, Jiang Li, Frederic D. Mckenzie
Electrical & Computer Engineering Faculty Publications
In this paper, we present a texture analysis based method for diagnosing the Basal Cell Carcinoma (BCC) skin cancer using optical images taken from the suspicious skin regions. We first extracted the Run Length Matrix and Haralick texture features from the images and used a feature selection algorithm to identify the most effective feature set for the diagnosis. We then utilized a Multi-Layer Perceptron (MLP) classifier to classify the images to BCC or normal cases. Experiments showed that detecting BCC cancer based on optical images is feasible. The best sensitivity and specificity we achieved on our data set were 94% …
Biosafety Concerns Involving Genetically Modified Mosquitoes To Combat Malaria And Dengue In Developing Countries, Graciela R. Ostera, Lawrence O. Gostin
Biosafety Concerns Involving Genetically Modified Mosquitoes To Combat Malaria And Dengue In Developing Countries, Graciela R. Ostera, Lawrence O. Gostin
Georgetown Law Faculty Publications and Other Works
Malaria and dengue are the most prevalent mosquito-borne infections worldwide. Because traditional vector control methods have proven to be insufficient to control mosquito populations in endemic areas, scientists are actively working in the design of new strategies, such as genetically modified (GM) mosquitoes, to reduce disease transmission. The replacement of natural populations with GM mosquitoes is becoming a tangible possibility, however, many fear that the release of these organisms into the environment could constitute a significant risk to biodiversity and may cause the unintended spread of GM organisms across national borders.
The Cartagena Protocol on Biosafety, an international agreement originally …
Wolves And Livestock: A Review Of Tools To Deter Livestock Predation And A Case Study Of A Proactive Wolf Conflict Mitigation Program Developed In The Blackfoot Valley, Montana, Peter Douglas Brown
Wolves And Livestock: A Review Of Tools To Deter Livestock Predation And A Case Study Of A Proactive Wolf Conflict Mitigation Program Developed In The Blackfoot Valley, Montana, Peter Douglas Brown
Graduate Student Theses, Dissertations, & Professional Papers
The recent recovery of wolves in the Northern Rocky Mountains (NRM) was met with opposition from the ranching communities throughout Montana. This was not surprising, due to the fact that wolves are feared as a predator of livestock and therefore represent a direct economic loss for ranchers that experience depredations by wolves. Wolves are also revered as a native predator that have top down effects upon natural prey species. This in turn affects the web of plants and animals that make up natural ecosystems. This fact, as well as the strong emotional connection that some stakeholders have to wolves creates …
Organic Tracer Analyses And Receptor Modeling Of Pm2.5 In Fairbanks, Alaska, James Kevin Ormord
Organic Tracer Analyses And Receptor Modeling Of Pm2.5 In Fairbanks, Alaska, James Kevin Ormord
Graduate Student Theses, Dissertations, & Professional Papers
Ambient particulate matter (PM) levels are of great importance to many areas around the world for both environmental and health concerns. It is well known that many sources of PM are anthropogenic in nature, including sources such as the combustion of petroleum products and wood. As per the Clean Air Act of 1970, the US EPA has established a National Ambient Air Quality Standard (NAAQS) of 35µg/m3 for a 24 hour average and 15µg/m3 for an annual average of ambient PM2.5 to improve the quality of air and reduce occurrences of respiratory illness resulting from exposure to high levels of …
A Century Of Change In Forest Structure And Fire Regime Condition Class In A Western Montana Ponderosa Pine Douglas-Fir Forest, Robert Michael Rich
A Century Of Change In Forest Structure And Fire Regime Condition Class In A Western Montana Ponderosa Pine Douglas-Fir Forest, Robert Michael Rich
Graduate Student Theses, Dissertations, & Professional Papers
ABSTRACT A Century of Change in Forest Structure and Fire Regime Condition Class in a Western Montana Ponderosa Pine/Douglas-fir Forest - Restoring historical forest conditions is often a driving force behind forest management activities today. However, determining historical, pre-settlement conditions can be challenging. Utilizing General Land Office (GLO) survey notes to reconstruct historical stand structure is one method to achieve this goal. Original GLO survey notes from 1902 were used to reconstruct historical stand condition in a 2,694 acre ponderosa pine/ Douglas–fir forest. Surveyed corners or their approximate locations were relocated. The procedure for establishing bearing trees by the original …
An Assessment Of The Hiv Prevention Needs Of Men Who Have Sex With Men In Montana, Kelly A. Hart
An Assessment Of The Hiv Prevention Needs Of Men Who Have Sex With Men In Montana, Kelly A. Hart
Graduate Student Theses, Dissertations, & Professional Papers
The purpose of this study was to collect information about the HIV prevention needs of men who have sex with men (MSM) living in Montana. Prevention needs were explored by identifying the environmental factors and behaviors that put MSM at risk for HIV infection, describing the demographic and contextual factors that influence those behaviors, and comparing current prevention needs to existing resources and services. To evaluate the prevention needs, primary qualitative data was collected in the form of four focus groups and nine key informant interviews. Supporting secondary quantitative and qualitative data in the form of an online survey and …
Characterization Of 5 Utr Splicing And The Cgi In Hiv-2 Rna, Christy Strong
Characterization Of 5 Utr Splicing And The Cgi In Hiv-2 Rna, Christy Strong
Graduate Student Theses, Dissertations, & Professional Papers
HIV-2 tightly regulates several steps of its replication cycle via regulatory elements found within the 5 untranslated region of HIV-2 genomic RNA. Two elements of interest are the 5 UTR intron and the proposed long distance base pairing interaction between the C-box and G-box termed the CGI. This research focuses on the effects of 5 UTR splicing and the CGI in HIV-2 translation and replication. The central hypothesis is that both 5 UTR splicing and the CGI modulate HIV-2 translation and replication. This hypothesis was tested and supported by employing in vitro translation assays, SELEX, and cell culture studies. Results …
Feasting On Fido: Cultural Implications Of Eating Dogs At Bridge River, Hannah Schremser Cail
Feasting On Fido: Cultural Implications Of Eating Dogs At Bridge River, Hannah Schremser Cail
Graduate Student Theses, Dissertations, & Professional Papers
Dogs represent a unique facet of the faunal assemblage at the Bridge River site (EeRl4), a prehistoric aggregated winter housepit village in southern British Columbia’s Middle Fraser Canyon. As part of the Bridge River site investigation of emergent material wealth based status inequality of the hunter-gatherer-fisher economy, the 2008 and 2009 excavation of the village recovered the skeletal remains of domestic dogs within two distinct cache pit features in Housepit 24’s Activity Area 3. The two dogs unearthed from these separate cache pits features show dichotomous roles for man’s best friend; one, possibly as a prized companion, and the other …
Genetic Population Structure And Conservation Of Bull Trout In The East Fork Bitterroot River Drainage, Montana, Leslie Grace Nyce
Genetic Population Structure And Conservation Of Bull Trout In The East Fork Bitterroot River Drainage, Montana, Leslie Grace Nyce
Graduate Student Theses, Dissertations, & Professional Papers
Bull trout Salvelinus confluentus are a species of conservation interest and are currently listed as threatened by the U.S. Fish and Wildlife Service. Understanding and conserving the genetic and life history diversity of bull trout populations across their range is critical as conservation, management, and recovery plans are developed. Numerous studies in different regions have shown that local bull trout populations in close geographic proximity are typically very genetically different and evidence for dispersal among neighboring tributary populations is weak. In addition to genetic diversity, maintenance of life history diversity may increase resilience of bull trout populations. The larger migratory …
Informal Mathematics Activities And The Beliefs Of Elementary Teacher Candidates, Matt B. Roscoe
Informal Mathematics Activities And The Beliefs Of Elementary Teacher Candidates, Matt B. Roscoe
Graduate Student Theses, Dissertations, & Professional Papers
This study sought to determine the relationship between participation in informal mathematics activities and the formal-to-informal beliefs of university teacher candidates in elementary education. Three classes of preservice teachers participated in the study through their enrollment in a content mathematics course for elementary education majors. Four informal mathematics activities were employed as part of the course requirements. Pre and post formal-to-informal beliefs about mathematics and mathematics instruction were measured using a Likert-scale beliefs assessment instrument used by Collier (1972) and Seaman et al. (2005). Changes in beliefs about mathematics and mathematics instruction were compared to a control group. Student reflection …
Interactions Between The Glycosylated Gag Protein Of A Murine Leukemia Virus And Murine Apobec3: Novel Insights Into How A Murine Leukemia Virus Counteracts A Restriction Factor, Angelo Kolokithas
Graduate Student Theses, Dissertations, & Professional Papers
APOBEC proteins have evolved in mice and humans as potent innate defences against retroviral infections. APOBEC3G (hA3G) in humans and mouse APOBEC3 (mA3) deaminate cytidine in single-stranded DNA which ultimately results in hypermutation of newly synthesized proviral DNA. Other deaminase-independent mechanisms of inhibition have been identified, such as directly inhibiting reverse transcription. Both HIV and murine leukemia viruses (MuLVs) have evolved mechanisms to evade the action of the APOBEC proteins. HIV encodes the Vif protein which binds to hA3G and facilitates its rapid degradation through the proteasome. The mechanism(s) by which exogenous MuLVs evade mA3 inhibitory activity is unknown.
Exogenous …