18,757 results match your criteria: "*Oregon State University[Affiliation]"

The tradeoff of solitude? Restoration and relatedness across shades of solitude.

PLoS One

December 2024

School of Communication, Ohio State University, Columbus, Ohio, United States of America.

Social interaction and solitude entail tradeoffs. Communicate Bond Belong (CBB) theory holds that social interaction can foster relatedness with others at the cost of social energy, whereas solitude can restore social energy at the cost of relatedness. The current study empirically tests this tradeoff of solitude and its implications for well-being by investigating different degrees of solitude.

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  • The study explores the relationship between green space and childhood obesity by using advanced metrics like NDVI and street-view imagery, rather than solely relying on BMI.
  • Participants were assessed from mid-childhood through late adolescence to analyze how green space exposure relates to various measures of adiposity, including BMI and fat mass index.
  • The research aims to provide a more comprehensive understanding of how green environments may influence children's health outcomes over time, factoring in socio-economic and demographic variables.
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The fluorescence intensity ratio (FIR) approach, which relies on thermally coupled levels (TCLs), is significantly important for optical thermometry at room temperature and above, but was found to be impractical for low temperature sensing due to limited population density (thermal) or lack of spectrum at extremely low temperatures. Herein, we report a wide temperature range (12-673 K) sensing capability of the PbZrTiO:Er/Yb (C1:PZT) phosphor utilising the bandwidth of Stark sublevel split near-infrared (NIR) emission bands as one sensing parameter and FIR as another. Motivated by our previous studies on upconversion (UC) and the promising thermometry performance of the C1:PZT phosphor for real time nanothermometer monitoring (using visible TCLs), this work extends to the same thermometry application using UC-NIR emission as TCLs.

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  • - This text discusses a study on bryophyte herbarium material that inadvertently includes fungi, providing insights into the ecology of these plants over time and space.
  • - The research discovered new records of a specific bryophilous ascomycete fungus, broadening its known distribution from Europe to Alaska, based on a review of over 400 specimens across four herbaria.
  • - The findings highlight the significance of herbarium collections in revealing unexpected associations between bryophytes and fungi, emphasizing that bryophytes can be crucial indicators of ecological changes, especially in threatened habitats.
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  • * The review assesses the effects of insect meal on ruminal fermentation, digestibility, and overall animal performance, using a limited dataset for analysis, suggesting no negative impacts on these factors when insects partially replace protein sources.
  • * Notably, the Oriental Hornet was found to enhance growth and digestion in ruminants, while it is recommended that insect inclusion in diets should not exceed 30% to maintain optimal fermentation processes.
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Abundance-mediated species interactions.

Ecology

January 2025

U.S. Geological Survey, New York Cooperative Fish and Wildlife Research Unit, Department of Natural Resources and the Environment, Cornell University, Ithaca, New York, USA.

Article Synopsis
  • - Species interactions significantly impact biodiversity and wildlife dynamics, but current models often overlook the importance of population size, focusing instead on occupancy states.
  • - The research illustrates that using occupancy data can lead to incorrect inferences about species interactions, and therefore proposes a new modeling framework that incorporates abundance for more accurate results.
  • - Through simulations and a case study involving coyotes, fishers, and American martens, the study shows that understanding interactions based on abundance can reveal hidden dynamics and transform ecological research approaches.
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Objective: Pregnancy is often typified with a decrease in sleep quality, which for many women, progressively worsens across gestation and into the postpartum. A mechanism linking poor sleep with certain adverse pregnancy outcomes is dysregulation of the HPA axis resulting in atypically elevated cortisol production. While total cortisol output normally increases across pregnancy, the cortisol awakening response (CAR), a response to waking up, is influenced by factors such as stress and mood.

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DARVO (Deny, Attack, Reverse Victim and Offender) is a response frequently exhibited by perpetrators of wrongdoing after being confronted or held accountable for their harmful behaviors. Consistent with the original conceptualization of DARVO as a strategy used by sex offenders to deflect blame and responsibility, sexual violence survivors report experiencing DARVO from their perpetrators following an assault. The purpose of the current study was to extend research on the connections between DARVO and sexual violence.

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Objectives: Unresectable canine hepatocellular carcinoma (HCC) has limited nonsurgical treatment options. Sorafenib is a targeted therapy for unresectable canine HCC. However, there are limited reports on the expression of target genes.

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Many integrable stochastic particle systems in one space dimension (such as TASEP-Totally Asymmetric Simple Exclusion Process-and its -deformation, the -TASEP) remain integrable if we equip each particle with its own speed parameter. In this work, we present intertwining relations between Markov transition operators of particle systems which differ by a permutation of the speed parameters. These relations generalize our previous works (Petrov and Saenz in Probab Theory Relat Fields 182:481-530, 2022), (Petrov in SIGMA 17(021):34, 2021), but here we employ a novel approach based on the Yang-Baxter equation for the higher spin stochastic six vertex model.

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Climate change and disease are two major threats to maintaining healthy seagrass habitats. Seagrasses, and the ecosystems they support, play a critical ecological role in global carbon (C) cycles, providing key ecosystem services, such as blue carbon storage. Zostera marina (eelgrass), the most widespread seagrass species globally, is increasingly affected by warming and is also regularly infected by the endophytic pathogen Labyrinthula zosterae.

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Capturing carbon dioxide from diluted streams, such as flue gas originating from natural gas combustion, can be achieved using recyclable, humidity-resistant porous materials. Three such materials were synthesized by chemically modifying the pores of metal-organic frameworks (MOFs) with Lewis basic functional groups. These materials included aluminum 1,2,4,5-tetrakis(4-carboxylatophenyl) benzene (Al-TCPB) and two novel MOFs: Al-TCPB(OH), and Al-TCPB(NH), both isostructural to Al-TCPB, and chemically and thermally stable.

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  • The study investigates how microgravity and galactic cosmic rays (GCRs) influence behavioral performance and metabolic pathways in male Fischer rats, highlighting a gap in previous research regarding control conditions for hindlimb unloading (HU).
  • Male rats were subjected to total body irradiation and HU conditions, with plasma and brain tissue analyzed after 6 months to assess long-term metabolic changes.
  • Results showed significant interactions between radiation and HU, with various metabolic pathways affected in the plasma and brain, indicating complex interactions between stressors that could impact spaceflight crew health.
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As large clinical and multiomics datasets and knowledge resources accumulate, they need to be transformed into computable and actionable information to support automated reasoning. These datasets range from laboratory experiment results to electronic health records (EHRs). Barriers to accessibility and sharing of such datasets include diversity of content, size and privacy.

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Assessing greenspace and cardiovascular health through deep-learning analysis of street-view imagery in a cohort of US children.

Environ Res

January 2025

Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Public Health Sciences, University of California, Davis School of Medicine, Sacramento, CA, USA.

Background: Accurately capturing individuals' experiences with greenspace at ground-level can provide valuable insights into their impact on children's health. However, most previous research has relied on coarse satellite-based measurements.

Methods: We utilized CVH and residential address data from Project Viva, a US-based pre-birth cohort, tracking participants from mid-childhood to late adolescence (2007-21).

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Peer-assisted telemedicine for hepatitis C in people who use drugs: A randomized controlled trial.

Clin Infect Dis

November 2024

Department of Medicine, Division of General Internal Medicine & Geriatrics, Section of Addiction Medicine, Oregon Health & Science University, Portland, OR.

Background: Hepatitis C virus (HCV) elimination requires treating people who use drugs (PWUD), yet fewer than 10% of PWUD in the United States access HCV treatment and access is especially limited in rural communities.

Methods: We randomized PWUD with HCV viremia and past 90-day injection drug or non-prescribed opioid use in seven rural Oregon counties to peer-assisted telemedicine HCV treatment (TeleHCV) versus peer-assisted referral to local providers (enhanced usual care; EUC). Peers supported screening and pre-treatment laboratory evaluation for all participants and facilitated telemedicine visits, medication delivery, and adherence for TeleHCV participants.

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Association of Postpartum Temperature Exposure with Postpartum Depression: A Retrospective Cohort Study in Southern California.

Environ Health Perspect

November 2024

Department of Environmental and Occupational Health, Joe C. Wen School of Population & Public Health, University of California, Irvine, California, USA.

Background: Postpartum depression (PPD) has been associated with biological, emotional, social, and environmental factors. However, evidence regarding the effect of temperature on PPD is extremely limited.

Objectives: We aimed to examine the associations between postpartum temperature exposure and PPD.

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How can robots facilitate physical, cognitive, and social engagement in skilled nursing facilities?

Front Aging

November 2024

Collaborative Robotics and Intelligent Systems Institute (CoRIS), Oregon State University, Corvallis, OR, United States.

As people live longer, the population of older adults in need of support continues to expand relative to the available workforce of caregivers, necessitating new solutions to supplement caregiver availability for the physical, cognitive, and social needs of older adults. Robotics and automation present strong possible solutions. Past solutions have typically supported short-term rehabilitation and aging in place, yet many older adults live in skilled nursing facilities (SNFs), a setting reached by relatively little research to date.

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Wind over the ocean generates near-inertial velocities. In the open ocean, horizontal variability in the inertial frequency and mesoscale vorticity generate internal waves that transport energy laterally and drive diapcynal mixing in remote locations. In the coastal ocean, horizontal variability is produced by the coastline.

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Model-Measurement Comparisons for Surfactant-Containing Aerosol Droplets.

ACS Earth Space Chem

November 2024

School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K.

Surfactants are important components of atmospheric aerosols, potentially impacting their hygroscopic growth and eventual activation into cloud droplets. By adsorbing at the air-water interface, surfactants lower the surface tension of aqueous systems. However, in microscopic aerosol droplets, the bulk surfactant concentration can become depleted because of the droplets' high surface-area-to-volume ratio, reducing the bulk surfactant concentration at equilibrium and increasing droplet surface tension.

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Article Synopsis
  • The zoonotic transmission of influenza A viruses (IAVs) and coronaviruses (CoVs) can lead to severe diseases, and the cleavage of glycoproteins is essential for their infectivity.
  • The study focused on the role of transmembrane serine protease 2 (TMPRSS2) in cleaving viral proteins in human airway cells and its dependency for different IAV and CoV strains.
  • Results showed that while TMPRSS2 is crucial for the activation of certain viruses like H1N1/1918 and MERS-CoV, others like SARS-CoV and some IAV subtypes show less dependency, indicating the potential for alternative proteases and highlighting TMPRSS2 as
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Laser Powder Bed Fusion (LPBF) enables the efficient production of near-net-shape oxide dispersion-strengthened (ODS) alloys, which possess superior mechanical properties due to oxide nanoparticles (e.g., yttrium oxide, Y-O, and yttrium-titanium oxide, Y-Ti-O) embedded in the alloy matrix.

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Background/objectives: Developing interventions for Johne's disease, which focuses on controlling subsp. (MAP) in contaminated environments by treating infected cows and preventing transmission from diseased animals, is a critical priority. Bacteriophage (phage) therapy, an emerging biological intervention, offers a promising alternative for the treatment and management of MAP infections.

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Wildfire Smoke Exposure During Pregnancy: Consensus-Building to Co-Create a Community-Engaged Study.

Int J Environ Res Public Health

November 2024

Pacific Northwest Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA.

Relative to other Oregon counties, Klamath County experiences worse air quality due to wildfire smoke, as well as elevated rates of infant mortality and low birthweight. Klamath County Public Health (KCPH) raised concerns that wildfire smoke is a contributor to poor infant health. Thus, we built a multidisciplinary team and designed a community-engaged research (CEnR) project to capture community and individual-level exposure to wildfire smoke contaminants, alongside perinatal health outcomes.

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The present study sought to develop and validate the Toxic Masculinity Scale (TMS). Following scale development best practices, a thorough review of the literature and existing measures was conducted. Next, a qualitative inquiry using a grounded theory approach was employed to develop a data-driven definition of toxic masculinity and 165 proposed instrument items.

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