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Articles 163861 - 163890 of 820157

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Anti-Inflammatory Activity Of Four Triterpenoids Isolated From Poriae Cutis, Lijia Zhang, Mengzhou Yin, Xi Feng, Salam A. Ibrahim, Ying Liu, Wen Huang Dec 2021

Anti-Inflammatory Activity Of Four Triterpenoids Isolated From Poriae Cutis, Lijia Zhang, Mengzhou Yin, Xi Feng, Salam A. Ibrahim, Ying Liu, Wen Huang

Faculty Research, Scholarly, and Creative Activity

In this study, triterpenoid compounds from Poriae Cutis were separated by high-speed countercurrent chromatography (HSCCC) and identified using ultra-high performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry (UHPLC-QTOF-MS/MS) and nuclear magnetic resonance (NMR). The in vitro anti-inflammatory activities of the purified triterpenoids on RAW 264.7 cells were also investigated. Triterpenoids, poricoic acid B, poricoic acid A, dehydrotrametenolic acid, and dehydroeburicoic acid were obtained; their levels of purity were 90%, 92%, 93%, and 96%, respectively. The results indicated that poricoic acid B had higher anti-inflammatory activity than those of poricoic acid A by inhibiting the generation of NO in lipopolysaccharide (LPS)-induced …

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The Future Is Big - And Small: Remote Sensing Enables Cross- Scale Comparisons Of Microbiome Dynamics And Ecological Consequences, Deanna S. Beatty, Lillian R. Aoki, Olivia J. Graham, Bo Yang Dec 2021

The Future Is Big - And Small: Remote Sensing Enables Cross- Scale Comparisons Of Microbiome Dynamics And Ecological Consequences, Deanna S. Beatty, Lillian R. Aoki, Olivia J. Graham, Bo Yang

Faculty Research, Scholarly, and Creative Activity

Coupling remote sensing with microbial omics-based approaches provides a promising new frontier for scientists to scale microbial interactions across space and time. These data-rich, interdisciplinary methods allow us to better understand interactions between microbial communities and their environments and, in turn, their impact on ecosystem structure and function. Here, we highlight current and novel examples of applying remote sensing, machine learning, spatial statistics, and omics data approaches to marine, aquatic, and terrestrial systems. We emphasize the importance of integrating biochemical and spatiotemporal environmental data to move toward a predictive framework of microbiome interactions and their ecosystemlevel effects. Finally, we emphasize …

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Head-Mounted Accelerometry Accurately Detects Prey Capture In California Sea Lions, Mason R. Cole, Jenifer A. Zeligs, Stefani Skrovan, Birgitte I. Mcdonald Dec 2021

Head-Mounted Accelerometry Accurately Detects Prey Capture In California Sea Lions, Mason R. Cole, Jenifer A. Zeligs, Stefani Skrovan, Birgitte I. Mcdonald

Faculty Research, Scholarly, and Creative Activity

Detecting when and where animals feed is key to understanding their ecophysiology, but our ability to collect these data in marine mammals remains limited. Here, we test a tag-based accelerometry method to detect prey capture in California sea lions. From synchronized underwater video and acceleration data of two trained sea lions, we isolated a combined acceleration and Jerk pattern that reliably indicated prey capture in training datasets. We observed a stereotyped feeding motion in underwater video that included (1) mouth opening while approaching prey; (2) head deceleration to allow initial suction or prey engulfment, and (3) jaw closure. This motion …

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Punnett Squares Or Protein Production? The Expert–Novice Divide For Conceptions Of Genes And Gene Expression, Dina L. Newman, Aeowynn Coakley, Aidan Link, Korinne Mills, L. Kate Wright Dec 2021

Punnett Squares Or Protein Production? The Expert–Novice Divide For Conceptions Of Genes And Gene Expression, Dina L. Newman, Aeowynn Coakley, Aidan Link, Korinne Mills, L. Kate Wright

Faculty Research, Scholarly, and Creative Activity

Concepts of molecular biology and genetics are difficult for many biology undergraduate students to master yet are crucial for deep understanding of how life works. By asking students to draw their ideas, we attempted to uncover the mental models about genes and gene expression held by biology students (n = 23) and experts (n = 18) using semistructured interviews. A large divide was identified between novice and expert conceptions. While experts typically drew box-and-line representations and thought about genes as regions of DNA that were used to encode products, students typically drew whole chromosomes rather than focusing on gene structure …

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Neural Upscaling From Residue-Level Protein Structure Networks To Atomistic Structures, Vy T. Duong, Elizabeth M. Diessner, Gianmarc Grazioli, Rachel W. Martin, Carter T. Butts Dec 2021

Neural Upscaling From Residue-Level Protein Structure Networks To Atomistic Structures, Vy T. Duong, Elizabeth M. Diessner, Gianmarc Grazioli, Rachel W. Martin, Carter T. Butts

Faculty Research, Scholarly, and Creative Activity

Coarse-graining is a powerful tool for extending the reach of dynamic models of proteins and other biological macromolecules. Topological coarse-graining, in which biomolecules or sets thereof are represented via graph structures, is a particularly useful way of obtaining highly com-pressed representations of molecular structures, and simulations operating via such representations can achieve substantial computational savings. A drawback of coarse-graining, however, is the loss of atomistic detail—an effect that is especially acute for topological representations such as protein structure networks (PSNs). Here, we introduce an approach based on a combination of machine learning and physically-guided refinement for inferring atomic coordinates from …

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Drivers Of Understory Plant Communities In Sierra Nevada Mixed Conifer Forests With Pyrodiversity, Kate Wilkin, Lauren Ponisio, Danny L. Fry, Brandon M. Collins, Tadashi Moody, Scott L. Stephens Dec 2021

Drivers Of Understory Plant Communities In Sierra Nevada Mixed Conifer Forests With Pyrodiversity, Kate Wilkin, Lauren Ponisio, Danny L. Fry, Brandon M. Collins, Tadashi Moody, Scott L. Stephens

Faculty Research, Scholarly, and Creative Activity

Background: Fire suppression in western North America increased and homogenized overstory cover in conifer forests, which likely affected understory plant communities. We sought to characterize understory plant communities and their drivers using plot-based observations from two contemporary reference sites in the Sierra Nevada, USA. These sites had long-established natural fire programs, which have resulted in restored natural fire regimes. In this study, we investigated how pyrodiversity—the diversity of fire size, severity, season, and frequency—and other environment factors influenced species composition and cover of forest understory plant communities. Results: Understory plant communities were influenced by a combination of environmental, plot-scale recent …

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Immunological And Hematological Outcomes Following Protracted Low Dose/Low Dose Rate Ionizing Radiation And Simulated Microgravity, Amber M. Paul, Eliah G. Overbey, Willian A. Da Silveira, Nathaniel Szewczyk, Nina C. Nishiyama, Michael J. Pecaut, Sulekha Anand, Jonathan M. Galazka, Xiao Wen Mao Dec 2021

Immunological And Hematological Outcomes Following Protracted Low Dose/Low Dose Rate Ionizing Radiation And Simulated Microgravity, Amber M. Paul, Eliah G. Overbey, Willian A. Da Silveira, Nathaniel Szewczyk, Nina C. Nishiyama, Michael J. Pecaut, Sulekha Anand, Jonathan M. Galazka, Xiao Wen Mao

Faculty Research, Scholarly, and Creative Activity

Using a ground-based model to simulate spaceflight [21-days of single-housed, hindlimb unloading (HLU) combined with continuous low-dose gamma irradiation (LDR, total dose of 0.04 Gy)], an in-depth survey of the immune and hematological systems of mice at 7-days post-exposure was performed. Collected blood was profiled with a hematology analyzer and spleens were analyzed by whole transcriptome shotgun sequencing (RNA-sequencing). The results revealed negligible differences in immune differentials. However, hematological system analyses of whole blood indicated large disparities in red blood cell differentials and morphology, suggestive of anemia. Murine Reactome networks indicated majority of spleen cells displayed differentially expressed genes (DEG) …

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Comparative Egg Attendance Patterns Of Incubating Polar Petrels, Scott A. Shaffer, Pierre Blévin, Christophe Barbraud, Olivier Chastel, Henri Weimerskirch Dec 2021

Comparative Egg Attendance Patterns Of Incubating Polar Petrels, Scott A. Shaffer, Pierre Blévin, Christophe Barbraud, Olivier Chastel, Henri Weimerskirch

Faculty Research, Scholarly, and Creative Activity

Background: The internal environment of eggs in most birds is regulated by transferring heat energy through contact incubation, maintaining nest microclimate, and frequent egg turning by the incubating parent on its nest. However, we lack information about egg attendance patterns in birds that breed in polar environments where variations in life history are expected to influence incubation behavior. Moreover, crevice/burrow nesting petrels in high-latitude regions are known for periodically leaving their egg unattended (hereafter ‘egg neglect’), but there is little reporting on the internal condition of unattended eggs. At Dumont d’Urville Station, Antarctica, we studied the incubation behavior of 24 …

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Hidden Markov Models Identify Major Movement Modes In Accelerometer And Magnetometer Data From Four Albatross Species, Melinda G. Conners, Théo Michelot, Eleanor I. Heywood, Rachael A. Orben, Richard A. Phillips, Alexei L. Vyssotski, Scott A. Shaffer, Lesley H. Thorne Dec 2021

Hidden Markov Models Identify Major Movement Modes In Accelerometer And Magnetometer Data From Four Albatross Species, Melinda G. Conners, Théo Michelot, Eleanor I. Heywood, Rachael A. Orben, Richard A. Phillips, Alexei L. Vyssotski, Scott A. Shaffer, Lesley H. Thorne

Faculty Research, Scholarly, and Creative Activity

Background: Inertial measurement units (IMUs) with high-resolution sensors such as accelerometers are now used extensively to study fine-scale behavior in a wide range of marine and terrestrial animals. Robust and practical methods are required for the computationally-demanding analysis of the resulting large datasets, particularly for automating classification routines that construct behavioral time series and time-activity budgets. Magnetometers are used increasingly to study behavior, but it is not clear how these sensors contribute to the accuracy of behavioral classification methods. Development of effective classification methodology is key to understanding energetic and life-history implications of foraging and other behaviors. Methods: We deployed …

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The Use Of Phoneme-Grapheme Mapping Practice To Improve Foundational Reading Skills In A First Grade Student, Annah Scherling Dec 2021

The Use Of Phoneme-Grapheme Mapping Practice To Improve Foundational Reading Skills In A First Grade Student, Annah Scherling

Dissertations, Theses, and Projects

Literacy is widely accepted as a critical life skill in the United States, but many students struggle to acquire the necessary foundational skills. The National Reading Panel of the National Institute of Child Health and Development established The Big Five which identified five critical areas for effective reading instruction: phonemic awareness, phonics, fluency, vocabulary, and comprehension. There are 26 letters or graphemes represented in the English language and 44 sounds or phonemes. The connection between grapheme and phoneme is referred to as correspondences. A first-grade student, from a Midwest elementary school, was given a phoneme-grapheme mapping intervention to assist in …

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Independently Validated Sex-Specific Nomograms For Predicting Survival In Patients With Newly Diagnosed Glioblastoma: Nrg Oncology Rtog 0525 And 0825, Minesh Mehta Dec 2021

Independently Validated Sex-Specific Nomograms For Predicting Survival In Patients With Newly Diagnosed Glioblastoma: Nrg Oncology Rtog 0525 And 0825, Minesh Mehta

All Publications

No abstract provided.

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Termite Phenomena (Its Effects On Buildings & Prevention Techniques)., Ahmed Mohammed Shehata Dec 2021

Termite Phenomena (Its Effects On Buildings & Prevention Techniques)., Ahmed Mohammed Shehata

Mansoura Engineering Journal

This research is concerned with the termite phenomena and its extents in our region. It highlights this inseet behavior and its biological and sociological profile. Where does it usually come from? How does it affect buildings and how much damage it can cause to structures? Moreover, it introduces a guide lines to local Authorities and owners to protect new buildings from termite invasion. It also discusses the available treatments to clean infected buildings. It also discusses the side effect of each of these treatments on environment. Finally, the research concludes a set of recommendations to protect new and existing buildings …

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Elucidation Of The Cellular Mechanisms Underlying Missense Mutations In Low Density Lipoprotein Receptor Related Protein 6 (Lrp6) Associated With Cardiovascular Diseases, Huda Issa Samha Dec 2021

Elucidation Of The Cellular Mechanisms Underlying Missense Mutations In Low Density Lipoprotein Receptor Related Protein 6 (Lrp6) Associated With Cardiovascular Diseases, Huda Issa Samha

Theses

Low-density Lipoprotein Receptor Related Protein 6 (LRP6) is a member of the Low-Density Lipoprotein Receptors family (LDLRs) which is involved in the clearance of LDL from the bloodstream and the signaling of the canonical wingless signaling pathway. Several genetic variants in the LRP6 gene have been conclusively associated with cardiovascular diseases (CVDs) and metabolic syndrome. However, the structural and functional implications of those variations have not been fully elucidated. The CVD-associated LRP6 variants could be retained and possibly subjected to Endoplasmic Reticulum Associated Degradation (ERAD), a quality control and adaptive process employed by cells to eliminate misfolded proteins to maintain …

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Investigating Acculturation, Health-Promoting Lifestyle, And Health Status Among Nigerian Immigrants In The United States, Frank Uche Akpati Dec 2021

Investigating Acculturation, Health-Promoting Lifestyle, And Health Status Among Nigerian Immigrants In The United States, Frank Uche Akpati

UNLV Theses, Dissertations, Professional Papers, and Capstones

The United States has a significant number of immigrants from Africa. More come from Nigeria than other African countries. Even though acculturation influences health behavior in other cultures, this relationship is understudied in the Nigerian immigrant community in the United States which can influence their health care. This study examined the relationship between acculturation, health-promoting lifestyle, and health status of Nigerian immigrants. Key constructs from Berry’s acculturation model guided the study. Acculturation was conceptualized as occurring through varying levels of ethnic society immersion (ESI) and dominant society immersion (DSI). The study also examined the influence of education on acculturation using …

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Racial/Ethnic Disparities In Mental Health Diagnosis Of Maltreated Youth, Shadie Burke Dec 2021

Racial/Ethnic Disparities In Mental Health Diagnosis Of Maltreated Youth, Shadie Burke

UNLV Theses, Dissertations, Professional Papers, and Capstones

Racial/ethnic marginalized youth are more likely to receive a misdiagnosis of a mental health disorder than their White peers. Misdiagnosis contributes to existing disparities for racial/ethnic marginalized groups by leading to longer durations of untreated and worsening mental health symptoms. For maltreated youth, receiving a misdiagnosis can lead to a failure to connect with appropriate mental health services, medication regimens, therapeutic foster homes, and academic and developmental resources. To date, very few empirical studies have identified disparities in mental health diagnosis among racial/ethnic marginalized maltreated youth. The present study examined two key research questions: (1) what racial/ethnic disparities in diagnoses …

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Dreams Of Molecular Beams: Indium Gallium Arsenide Tensile-Strained Quantum Dots And Advances Towards Dynamic Quantum Dots (Moleculare Radiorum Somnia: Indii Gallii Arsenicus Tensa Quanta Puncta Et Ad Dinamicae Quantae Puntae Progressus), Kevin Daniel Vallejo Dec 2021

Dreams Of Molecular Beams: Indium Gallium Arsenide Tensile-Strained Quantum Dots And Advances Towards Dynamic Quantum Dots (Moleculare Radiorum Somnia: Indii Gallii Arsenicus Tensa Quanta Puncta Et Ad Dinamicae Quantae Puntae Progressus), Kevin Daniel Vallejo

Boise State University Theses and Dissertations

Through the operation of a molecular beam epitaxy (MBE) machine, I worked on developing the homoepitaxy of high quality InAs with a (111)A crystallographic orientation. By tuning substrate temperature, we obtained a transition from a 2D island growth mode to step- ow growth. Optimized MBE parameters (substrate temperature = 500 °C, growth rate = 0.12 ML/s and V/III ratio ⩾ 40) lead to growth of extremely smooth InAs(111)A films, free from hillocks and other 3D surface imperfections. We see a correlation between InAs surface smoothness and optical quality, as measured by photoluminescence spectroscopy. This work establishes InAs(111)A as a platform …

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Fire Effects On Soil Properties: Amending Post-Fire Soils With Native Microbial Communities And Biochar To Improve Sagebrush Performance, Sabrina Marie Schuler Dec 2021

Fire Effects On Soil Properties: Amending Post-Fire Soils With Native Microbial Communities And Biochar To Improve Sagebrush Performance, Sabrina Marie Schuler

Boise State University Theses and Dissertations

Within the sagebrush steppe, fire has been shown to affect biogeochemical properties and the microbial community composition in soils. However, there is uncertainty about the magnitude and direction of these effects, since they vary by sites that differ in abiotic and biotic conditions. Moreover, differences in post-fire management strategies are likely to mediate the effect of fire on soil properties, thus further compounding this uncertainty. Any changes in soil biogeochemical properties following fire can prevent successful restoration of Artemisia tridentata sp. wyomingensis (sagebrush), leading to variable outcomes of restoration success in the sagebrush steppe. Previous research has shown that addition …

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Water Quality Responses To A Semi-Arid Beaver Meadow In Boise, Idaho, Luise Bayer Winslow Dec 2021

Water Quality Responses To A Semi-Arid Beaver Meadow In Boise, Idaho, Luise Bayer Winslow

Boise State University Theses and Dissertations

Beavers have been instrumental in shaping the North American riverine landscape. However, land use change and beaver trapping have caused large decreases in beaver populations, resulting in fundamental changes to river morphology, hydrology, and biogeochemical function. Effective river restoration and remediation of arid western rivers relies on a comprehensive interpretation of how beaver activity influences water quantity and quality. In this study, I compared two stream reaches with and without beaver dams in a semi-arid watershed, to quantify the effects of beaver activity on hydrology and biogeochemistry. Within each reach, I combined dilution gauging and stream tracer experiments to determine …

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Gather Round The Tree: Woody Aboveground Biomass Increases Animal Presence And Species Richness In A Tropical Forest-Savanna Ecotone, Merry Vanessa Marshall Davidson Dec 2021

Gather Round The Tree: Woody Aboveground Biomass Increases Animal Presence And Species Richness In A Tropical Forest-Savanna Ecotone, Merry Vanessa Marshall Davidson

Boise State University Theses and Dissertations

Boundaries between ecosystems are often biodiversity hotspots with relatively high vulnerability to global change. The boundary between tropical rainforest and savanna ecosystems in the Amazon presents an ecotone that is undergoing a shift in ecosystem structure, as a warming climate promotes the expansion of grassland. How animal communities in the Amazon will respond to changes in ecosystem structure is a crucial unanswered question with implications for the many ecosystem services that animals provide, from a food source for Indigenous people to seed dispersal for vulnerable tree populations. Recent modeling work has forecasted that faunal savannization will occur in the Amazon, …

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The Influence Of Positive School Orientation And Teacher Attachment On Adolescent Mental Health Outcomes: Investigating Possible Group Differences, Within A Social And Emotional Learning Curriculum, Stefanie Diann Holloway Dec 2021

The Influence Of Positive School Orientation And Teacher Attachment On Adolescent Mental Health Outcomes: Investigating Possible Group Differences, Within A Social And Emotional Learning Curriculum, Stefanie Diann Holloway

Boise State University Theses and Dissertations

Social and emotional learning (SEL) interventions can be delivered universally in schools to help equalize opportunities for diverse students and improve their mental health, as well as other outcomes. However, it is not always known or fully understood which underlying mechanisms may be at play that enable these interventions to achieve their effects –or how such mechanisms may develop over time, within an SEL intervention. The primary purpose of this study was to determine how one such intervention, Positive Action, was able to improve adolescent students’ mental health outcomes, by testing the potential mediational influences of students’ levels of …

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Effects Of Habitat Disturbances On Reptiles In Sagebrush Steppe, Kristina Joan Parker Dec 2021

Effects Of Habitat Disturbances On Reptiles In Sagebrush Steppe, Kristina Joan Parker

Boise State University Theses and Dissertations

Reptiles inhabiting shrub-steppe ecosystems of the Intermountain West have adapted to harsh, unpredictable desert conditions, yet recent changes in disturbance regimes may put species at risk. In southwest Idaho, cheatgrass (Bromus tectorum) has altered the fire regime resulting in a vast conversion of shrub-steppe to mostly annual grasslands that burn too frequently to allow shrublands to recover. Southwest Idaho has the highest reptile diversity in the Pacific Northwest, yet we know little about reptile community dynamics in response to the cheatgrass-fire cycle. We hypothesized that wildfires and cheatgrass negatively affect reptile communities directly (i.e., mortality during fires) and …

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Role Of The Nuclear Envelope In The Mechanoregulation Adipogenesis, Matthew H. Goelzer Dec 2021

Role Of The Nuclear Envelope In The Mechanoregulation Adipogenesis, Matthew H. Goelzer

Boise State University Theses and Dissertations

Mechanical signals are known regulators of mesenchymal stem cell (MSC) fate, regulating their differentiation into osteoblasts, chondrocytes, and adipocytes. These relevant mechanical signals reach to nucleus through nuclear envelope proteins such as Lamin A/C and the Linker of the Nucleoskeleton and Cytoskeleton (LINC) complexes. Within the context of bone, clinically relevant mutations of Lamin A/C and the LINC complexes have been shown to alter adipogenic and osteogenic MSC differentiation patterns, suggesting that that nucleo-cytoskeletal connectivity provided by nuclear envelope is important in regulating MSC fate. Using MSC adipogenesis as a model of MSC mechanical regulation, the goal of this work …

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Investigating The Role Of The Skeletal Muscle In Amyotrophic Lateral Sclerosis Neuromuscular Junction Dysfunction, Agnes Badu-Mensah Dec 2021

Investigating The Role Of The Skeletal Muscle In Amyotrophic Lateral Sclerosis Neuromuscular Junction Dysfunction, Agnes Badu-Mensah

Electronic Theses and Dissertations, 2020-2023

Neuromuscular junction (NMJ) dysfunction has been identified as one of the earliest events in Amyotrophic Lateral Sclerosis (ALS) pathology. However, which tissue type induces NMJ disruption; be it the motoneurons (hMN), Schwann cells or skeletal muscle (hSKM) remains unresolved. While mechanisms by which ALS hMN contribute to NMJ dysfunction are well-described in literature, limited information exist on how the other tissue types in the tripartite synapse (hSKM and Schwann cells) induce and/or contribute to ALS NMJ disruption. A fair understanding of the role of each tissue type in NMJ dysfunction would help shape the trajectory of future ALS research and …

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The Impact Of The Community Partnership School Model On Student Self-Efficacy And Civic Engagement, Brandon Lowe Dec 2021

The Impact Of The Community Partnership School Model On Student Self-Efficacy And Civic Engagement, Brandon Lowe

Electronic Theses and Dissertations, 2020-2023

The purpose of this causal-comparative study was to identify the impact of the Community Partnership Schools™ (CPS) model of community schools in the areas of social self-efficacy, academic self-efficacy, emotional self-efficacy, and civic engagement beyond the point of enrollment in the school. To answer the research questions, the researcher compared the responses of 96 high school students that had previously been enrolled in a CPS with the responses of 402 students from racially and socioeconomically similar schools that were not CPS, using the Self-Efficacy Questionnaire for Children (SEQ-C) and the Civic Engagement Scale (CES). Results showed a significant positive correlation …

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Single-Walled Carbon Nanotubes Inhibit Trpc4-Mediated Muscarinic Cation Current In Mouse Ileal Myocytes, Lina T. Al Kury, Dimitrios Papandreou, Vasyl V. Hurmach, Dariia O. Dryn, Mariia I. Melnyk, Maxim O. Platonov, Yuriy I. Prylutskyy, Uwe Ritter, Peter Scharff, Alexander V. Zholos Dec 2021

Single-Walled Carbon Nanotubes Inhibit Trpc4-Mediated Muscarinic Cation Current In Mouse Ileal Myocytes, Lina T. Al Kury, Dimitrios Papandreou, Vasyl V. Hurmach, Dariia O. Dryn, Mariia I. Melnyk, Maxim O. Platonov, Yuriy I. Prylutskyy, Uwe Ritter, Peter Scharff, Alexander V. Zholos

All Works

Single-walled carbon nanotubes (SWCNTs) are characterized by a combination of rather unique physical and chemical properties, which makes them interesting biocompatible nanostruc-tured materials for various applications, including in the biomedical field. SWCNTs are not inert carriers of drug molecules, as they may interact with various biological macromolecules, including ion channels. To investigate the mechanisms of the inhibitory effects of SWCNTs on the muscarinic receptor cation current (mICAT), induced by intracellular GTPγs (200 µM), in isolated mouse ileal myocytes, we have used the patch-clamp method in the whole-cell configuration. Here, we use molecular docking/molecular dynamics simulations and direct patch-clamp recordings of …

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Seasonal Sea Ice Persisted Through The Holocene Thermal Maximum At 80°N, Anna J. Pieńkowski, Katrine Husum, Simon T. Belt, Ulysses Ninnemann, Denizcan Köseoğlu, Dmitry V. Divine, Lukas Smik, Jochen Knies, Kelly Hogan, Riko Noormets Dec 2021

Seasonal Sea Ice Persisted Through The Holocene Thermal Maximum At 80°N, Anna J. Pieńkowski, Katrine Husum, Simon T. Belt, Ulysses Ninnemann, Denizcan Köseoğlu, Dmitry V. Divine, Lukas Smik, Jochen Knies, Kelly Hogan, Riko Noormets

School of Geography, Earth and Environmental Sciences

The cryospheric response to climatic warming responsible for recent Arctic sea ice decline can be elucidated using marine geological archives which offer an important long-term perspective. The Holocene Thermal Maximum, between 10 and 6 thousand years ago, provides an opportunity to investigate sea ice during a warmer-than-present interval. Here we use organic biomarkers and benthic foraminiferal stable isotope data from two sediment cores in the northernmost Barents Sea (>80 °N) to reconstruct seasonal sea ice between 11.7 and 9.1 thousand years ago. We identify the continued persistence of sea-ice biomarkers which suggest spring sea ice concentrations as high as …

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On Predicting Omnidirectional Honey Bee Traffic Using Weather And Electromagnetic Radiation, Daniel G. Hornberger Dec 2021

On Predicting Omnidirectional Honey Bee Traffic Using Weather And Electromagnetic Radiation, Daniel G. Hornberger

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Honey bees are responsible for pollinating many important crops in the United States. However, honey bee populations have declined significantly since 1961. While some causes of this decline are known, others are not. By utilizing electronic bee hive monitoring (EBM) systems, bee keepers and researchers have an added resource in determining the causes of these declines so that the issues can be remedied. For nearly five months (May through October) during the 2020 honey bee foraging season in Logan, Utah, USA, we collected on-site weather and electromagnetic radiation (EMR) readings and videos of the hive entrances of six bee hives …

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Numerical Cognition And Autism Spectrum Traits In Adults, Benjamin Covington Dec 2021

Numerical Cognition And Autism Spectrum Traits In Adults, Benjamin Covington

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Evidence suggests that individuals with high-functioning autism spectrum disorder (ASD) may be particularly inclined toward math proficiency, especially in adulthood. There is also evidence, however, that many of those with an ASD struggle in math as children compared to their typically-developing peers. These ostensibly inconsistent findings may indicate that individuals with an ASD struggle with number sense, a precursor to formal math, rather than with formal math per se. This account is compatible with evidence of a specific form of neural dysregulation, excitatory/inhibitory imbalance, in ASD that results in reduced signal-to-noise ratios (SNR) for processes that occur in downstream …

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Multiomic Analysis Of The Arabian Camel (Camelus Dromedarius) Kidney Reveals A Role For Cholesterol In Water Conservation, Fernando Alvira-Iraizoz, Benjamin T. Gillard, Panjiao Lin, Alex Paterson, Audrys G. Pauža, Mahmoud A. Ali, Ammar H. Alabsi, Pamela A. Burger, Naserddine Hamadi, Abdu Adem, David Murphy, Michael P. Greenwood Dec 2021

Multiomic Analysis Of The Arabian Camel (Camelus Dromedarius) Kidney Reveals A Role For Cholesterol In Water Conservation, Fernando Alvira-Iraizoz, Benjamin T. Gillard, Panjiao Lin, Alex Paterson, Audrys G. Pauža, Mahmoud A. Ali, Ammar H. Alabsi, Pamela A. Burger, Naserddine Hamadi, Abdu Adem, David Murphy, Michael P. Greenwood

All Works

The Arabian camel (Camelus dromedarius) is the most important livestock animal in arid and semi-arid regions and provides basic necessities to millions of people. In the current context of climate change, there is renewed interest in the mechanisms that enable camelids to survive in arid conditions. Recent investigations described genomic signatures revealing evolutionary adaptations to desert environments. We now present a comprehensive catalogue of the transcriptomes and proteomes of the dromedary kidney and describe how gene expression is modulated as a consequence of chronic dehydration and acute rehydration. Our analyses suggested an enrichment of the cholesterol biosynthetic process and an …

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Effect Of Ketogenic Diet On Quality Of Life In Adults With Chronic Disease: A Systematic Review Of Randomized Controlled Trials, Myriam Abboud, Fatme Alanouti, Evridiki Georgaki, Dimitrios Papandreou Dec 2021

Effect Of Ketogenic Diet On Quality Of Life In Adults With Chronic Disease: A Systematic Review Of Randomized Controlled Trials, Myriam Abboud, Fatme Alanouti, Evridiki Georgaki, Dimitrios Papandreou

All Works

Background: Chronic diseases adversely affect quality of life (QOL). The ketogenic diet (KD) may improve the QOL. Objective: The aim of this systematic review was to summarize the available evidence of randomized controlled trials (RCTs) to establish the effect of KD on the QOL in adults with chronic diseases. Methods: Reporting followed PRISMA guidelines. We included randomized controlled trials (RCTs) conducted on adults with chronic disease including an intervention group that received KD and a control group, and where QOL was reported as outcome. We searched PubMed, APA PsycInfo, EMBASE, the Cumulative Index to Nursing and Allied Health Literature (CINAHL), …

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