2,590 results match your criteria: "University of Colorado at Boulder.[Affiliation]"
J Chem Theory Comput
November 2023
Department of Chemical and Biological Engineering, University of Colorado at Boulder, Boulder, Colorado 80309, United States.
The simulation of metals, oxides, and hydroxides can accelerate the design of therapeutics, alloys, catalysts, cement-based materials, ceramics, bioinspired composites, and glasses. Here we introduce the INTERFACE force field (IFF) and surface models for α-AlO, α-CrO, α-FeO, NiO, CaO, MgO, β-Ca(OH), β-Mg(OH), and β-Ni(OH). The force field parameters are nonbonded, including atomic charges for Coulomb interactions, Lennard-Jones (LJ) potentials for van der Waals interactions with 12-6 and 9-6 options, and harmonic bond stretching for hydroxide ions.
View Article and Find Full Text PDFDiabetes Technol Ther
January 2024
Department of Medicine, University of Washington Medicine Diabetes Institute, Seattle, Washington, USA.
Patient-generated device data play an important role in diabetes management. However, acquiring these data remains a challenge. This project aimed to understand whether implementing dedicated "Technology Navigator" (TN) personnel at a large academic diabetes clinic could facilitate access to device data without increasing work for clinic staff.
View Article and Find Full Text PDFPhys Rev E
September 2023
Department of Applied Mathematics, University of Colorado at Boulder, Boulder, Colorado 80309, USA.
The division of a social group into subgroups with opposing opinions, which we refer to as opinion disparity, is a prevalent phenomenon in society. This phenomenon has been modeled by including mechanisms such as opinion homophily, bounded confidence interactions, and social reinforcement mechanisms. In this paper, we study a complementary mechanism for the formation of opinion disparity based on higher-order interactions, i.
View Article and Find Full Text PDFPhilos Trans A Math Phys Eng Sci
November 2023
Department of Physics, ETH Zurich, Zurich, Switzerland.
Radiocarbon (C) is a critical tool for understanding the global carbon cycle. During the Anthropocene, two new processes influenced C in atmospheric, land and ocean carbon reservoirs. First, C-free carbon derived from fossil fuel burning has diluted C, at rates that have accelerated with time.
View Article and Find Full Text PDFPhilos Trans A Math Phys Eng Sci
November 2023
National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand.
As part of the CarbonWatch-NZ research programme, air samples were collected at 28 sites around Auckland, New Zealand, to determine the atmospheric ratio () of excess (local enhancement over background) carbon monoxide to fossil CO (COff). Sites were categorized into seven types (background, forest, industrial, suburban, urban, downwind and motorway) to observe around Auckland. Motorway flasks observed of 14 ± 1 ppb ppm and were used to evaluate traffic .
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
October 2023
Department of Assisted Reproduction, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Background: ICSI (intracytoplasmic sperm injection) leads to a reduced male-to-female ratio at birth, whereas blastocyst transfer results in an increased male-to-female ratio. However, limited knowledge exists regarding the impact of these factors on the live birth rate for each gender. This study aimed to investigate the influence of patient characteristics and treatment parameters on the live birth rate for each gender, as well as the ultimate male-to-female ratio at birth in frozen-thawed embryo transfer (FET) cycles.
View Article and Find Full Text PDFTwin Res Hum Genet
October 2023
Department of Psychology, Wake Forest University, Winston Salem, North Carolina, USA.
The current study explored the impact of genetic relatedness differences (ΔH) and sample size on the performance of nonclassical ACE models, with a focus on same-sex and opposite-sex twin groups. The ACE model is a statistical model that posits that additive genetic factors (A), common environmental factors (C), and specific (or nonshared) environmental factors plus measurement error (E) account for individual differences in a phenotype. By extending Visscher's (2004) least squares paradigm and conducting simulations, we illustrated how genetic relatedness of same-sex twins (H) influences the statistical power of additive genetic estimates (A), AIC-based model performance, and the frequency of negative estimates.
View Article and Find Full Text PDFSoft Matter
October 2023
Department of Chemical and Biomolecular Engineering, Lehigh University, 124 E Morton St, Bethlehem, PA, 18015, USA.
Covalent adaptable networks are designed for applications including cell and drug delivery and tissue regeneration. These applications require network degradation at physiological conditions and on a physiological timescale with microstructures that can: (1) support, protect and deliver encapsulated cells or molecules and (2) provide structure to surrounding tissue. Due to this, the evolving microstructure and rheological properties during scaffold degradation must be characterized.
View Article and Find Full Text PDFJ Safety Res
September 2023
Construction Safety Research Alliance, University of Colorado at Boulder, UCB 428, Boulder, CO 80309, USA. Electronic address:
Introduction: Incident investigation is a foundational tool of safety management. Determining the causal factors of any incident underpins organizational learning and subsequent positive change to processes and practices. Research of incident investigation has largely focused on what information to collect, how to analyze it, and how to optimize resultant conclusions and organizational learning.
View Article and Find Full Text PDFEur Phys J C Part Fields
September 2023
Department of Physics, King's College London, Strand, London, WC2R 2LS UK.
Am J Physiol Heart Circ Physiol
November 2023
Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States.
Cardiovascular disease (CVD) is a leading cause of morbidity and mortality worldwide, and senescent cells have emerged as key contributors to its pathogenesis. Senescent cells exhibit cell cycle arrest and secrete a range of proinflammatory factors, termed the senescence-associated secretory phenotype (SASP), which promotes tissue dysfunction and exacerbates CVD progression. Omics technologies, specifically transcriptomics and proteomics, offer powerful tools to uncover and define the molecular signatures of senescent cells in cardiovascular tissue.
View Article and Find Full Text PDFSci Rep
August 2023
Department of Electrical, Computer and Energy Engineering, University of Colorado at Boulder, 425 UCB #1B55, Boulder, CO, 80309, USA.
There are substantial concerns that extended exposures to weak radiofrequency (RF) fields can lead to adverse health effects. In this study, HT-1080 fibrosarcoma cells were simultaneously exposed to a static magnetic flux density between 10 [Formula: see text] and 300 [Formula: see text] and RF magnetic fields with amplitudes ranging from 1 nT to 1.5 μT in the frequency range from 1.
View Article and Find Full Text PDFBMC Res Notes
August 2023
Department of Biochemistry, University of Colorado at Boulder, Campus Box 596, Boulder, CO, 80309-0596, USA.
Objectives: The glucocorticoid receptor (GR) is a well-studied, ligand-activated transcription factor and a common target of anti-inflammatory treatments. Recently, several studies have drawn attention the effects of binding of GR to RNA rather than DNA and the potential implications of this activity for GR function. The objective of our study was to further characterize the relationship between GR function and RNA binding by measuring changes in the glucocorticoid-driven transcriptome in the presence of a GR mutant that exhibited reduced RNA affinity.
View Article and Find Full Text PDFNat Genet
September 2023
Department of Psychiatry, University of Cambridge, Cambridge, UK.
Phys Rev E
July 2023
Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Evol Anthropol
August 2023
Department of Anthropology, University of Reno, Reno, Nevada, USA.
Endocrinol Metab (Seoul)
August 2023
Department of Preventive Medicine, Ajou University School of Medicine, Suwon, Korea.
Backgruound: While the triglyceride-glucose (TyG) index is a measure of insulin resistance, its association with cardiovascular disease (CVD) has not been well elucidated. We evaluated the TyG index for prediction of CVDs in a prospective large communitybased cohort.
Methods: Individuals 40 to 70 years old were prospectively followed for a median 15.
medRxiv
September 2023
NORMENT, Division of Mental Health and Addiction, Oslo University Hospital & Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
While neurological and psychiatric disorders have historically been considered to reflect distinct pathogenic entities, recent findings suggest shared pathobiological mechanisms. However, the extent to which these heritable disorders share genetic influences remains unclear. Here, we performed a comprehensive analysis of GWAS data, involving nearly 1 million cases across ten neurological diseases and ten psychiatric disorders, to compare their common genetic risk and biological underpinnings.
View Article and Find Full Text PDFmedRxiv
July 2023
Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Brisbane, QLD, AU.
PeerJ
July 2023
Department of Fisheries, Wildlife, and Conservation Biology, University of Minnesota-Twin Cities Campus, St Paul, Minnesota, United States.
Abundance surveys are commonly used to estimate plant or animal densities and frequently require estimating detection probabilities to account for imperfect detection. The estimation of detection probabilities requires additional measurements that take time, potentially reducing the efficiency of the survey when applied to high-density populations. We conducted quadrat, removal, and distance surveys of zebra mussels () in three central Minnesota lakes and determined how much survey effort would be required to achieve a pre-specified level of precision for each abundance estimator, allowing us to directly compare survey design efficiencies across a range of conditions.
View Article and Find Full Text PDFJ Environ Manage
October 2023
The Environmental Studies Program, University of Colorado at Boulder, Boulder, CO, 80309, USA.
The management of Soil Organic Carbon (SOC) is a critical component of both nature-based solutions for climate change mitigation and global food security. Agriculture has contributed substantially to a reduction in global SOC through cultivation, thus there has been renewed focus on management practices which minimize SOC losses and increase SOC gain as pathways towards maintaining healthy soils and reducing net greenhouse gas emissions. Mechanistic models are frequently used to aid in identifying these pathways due to their scalability and cost-effectiveness.
View Article and Find Full Text PDFJ Psychopathol Clin Sci
October 2023
Department of Psychiatry, University of Utah.
Affect regulation often is disrupted in depression. Understanding biomarkers of affect regulation in ecologically valid contexts is critical for identifying moments when interventions can be delivered to improve regulation and may have utility for identifying which individuals are vulnerable to psychopathology. Autonomic complexity, which includes linear and nonlinear indices of heart rate variability, has been proposed as a novel marker of neurovisceral integration.
View Article and Find Full Text PDFAdv Mater
October 2023
State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, China.
Recent years have witnessed the major advances of nanolights with extensive exploration of nano-luminescent materials like carbon dots (CDs). However, solvent-free processing of these materials remains a formidable challenge, impeding endeavors to develop advanced manufacturing techniques. Herein, in response to this challenge, liquid crystallization is demonstrated as a versatile and robust approach by deliberately anchoring flexible alkyl chains on the CDs surface.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
June 2023
Department of Earth and Environmental Science, Centre for Atmospheric Science, University of Manchester, Manchester M13 9PL, United Kingdom.
Reduced nitrogen (N) is central to global biogeochemistry, yet there are large uncertainties surrounding its sources and rate of cycling. Here, we present observations of gas-phase urea (CO(NH)) in the atmosphere from airborne high-resolution mass spectrometer measurements over the North Atlantic Ocean. We show that urea is ubiquitous in the lower troposphere in the summer, autumn, and winter but was not detected in the spring.
View Article and Find Full Text PDFJ Phys Chem A
June 2023
JILA and Department of Chemistry, University of Colorado at Boulder, UCB 440, Boulder, Colorado 80309, United States.
We investigate the microhydration structures of complexes of alkaline earth dications and ethylenediaminetetraacetic acid (EDTA) for up to two water molecules, using cryogenic ion vibrational spectroscopy in concert with density functional theory (DFT). The interaction with water shows a clear dependence on the chemical identity of the bound ion. For Mg, microhydration mostly involves the carboxylate groups of EDTA and does not entail direct contact with the dication.
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