73 results match your criteria: "The University of Arizona - Tucson[Affiliation]"
Alzheimers Dement
December 2024
The University of Arizona - Tucson, Tucson, AZ, USA.
Background: Host commensal gut microbes are shown to be crucial for microglial maturation, and functions that involve innate immune responses to maintain brain homeostasis. Sex has a crucial role in the incidence of neurological diseases with females showing higher progression of AD compared with males. Transcriptomics has been a powerful tool for the characterization of microglial phenotypes however, there is a large gap in relating to their functional protein abundances.
View Article and Find Full Text PDFChem Sci
October 2024
School of Microelectronics, Shanghai University Shanghai 201800 China
While growing two-dimensional covalent organic frameworks (2D COFs) on substrates holds promise for producing functional monolayers, the presence of many defects in the resulting crystals often hinders their practical applications. Achieving structural order while suppressing defect formation necessitates a detailed atomic-level understanding. The key lies in understanding the polymerization process with high nano-scale accuracy, which presents significant challenges.
View Article and Find Full Text PDFPlant Environ Interact
June 2024
Plant Biotechnology Laboratory, Department of Biochemistry and Molecular Biology University of Dhaka Dhaka Bangladesh.
To better understand the salt tolerance of the wild rice, , root tissue-specific untargeted comparative metabolomic profiling was performed against the salt-sensitive . Under control, exhibited abundant levels of most metabolites, while salt caused their downregulation in contrast to metabolites in . Under control conditions, itaconate, vanillic acid, threonic acid, eicosanoids, and a group of xanthin compounds were comparatively abundant in .
View Article and Find Full Text PDFEnviron Sci Technol
June 2024
Jacobs Engineering Group, Greenwood Village, Colorado 80111, United States.
The long-term leaching of polyfluoroalkyl substances (PFAS) within the vadose zone of an AFFF application site for which the depth to groundwater is approximately 100 m was investigated by characterizing the vertical distribution of PFAS in a high spatial resolution. The great majority (99%) of PFAS mass resides in the upper 3 m of the vadose zone. The depths to which each PFAS migrated, quantified by moment analysis, is an inverse function of molar volume, demonstrating chromatographic separation.
View Article and Find Full Text PDFThe coronavirus (COVID-19) pandemic represented a critical moment for technology use within rehabilitation counseling. This study explored trends in the beliefs and behaviors of certified rehabilitation counselors (CRCs) regarding the ethical use of technology before and during the pandemic. Specifically, this study compared two groups of CRCs regarding the degree to which they engaged in 59 technology behaviors and whether they viewed each behavior to be ethical.
View Article and Find Full Text PDFObjectives: Traumatic brain injury (TBI) is an important public health problem resulting in significant death and disability. Emergency medical services (EMS) personnel often provide initial treatment for TBI, but only limited data describe the long-term course and outcomes of this care. We sought to characterize changes in neurologic status among adults with TBI patients enrolled in the Resuscitation Outcomes Consortium Hypertonic Saline (ROC-HS) trial.
View Article and Find Full Text PDFAm J Cardiol
December 2023
Department of Pediatrics (Cardiology), The University of Arizona - Tucson, Tucson, Arizona. Electronic address:
Mater Horiz
October 2023
Department of Chemistry and Biochemistry, The University of Arizona Tucson, Arizona 85721-0041, USA.
Pulm Circ
July 2023
Division of Pulmonary and Critical Care Medicine, Department of Medicine Johns Hopkins University Baltimore Maryland USA.
The prevalence of acute vasodilator response (AVR) to inhaled nitric oxide (iNO) during right heart catheterization (RHC) is 12% in idiopathic pulmonary arterial hypertension (IPAH). AVR, however, is reportedly lower in other disease-associated pulmonary arterial hypertension (PAH), such as connective tissue disease (CTD). The prevalence of AVR in patients on PAH therapy (prevalent cases) is unknown.
View Article and Find Full Text PDFWhile it is known that lipids play an essential role in regulating membrane protein structure and function, it remains challenging to identify specific protein-lipid interactions. Here, we present an innovative approach that combines native mass spectrometry (MS) and lipidomics to identify lipids retained by membrane proteins from natural lipid extracts. Our results reveal that the bacterial ammonia channel (AmtB) enriches specific cardiolipin (CDL) and phosphatidylethanolamine (PE) from natural headgroup extracts.
View Article and Find Full Text PDFChem Sci
June 2023
Shenzhen Key Laboratory of New Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University Shenzhen 518060 P. R. China
Realizing high luminescence dissymmetry factor () in circularly polarized luminescence (CPL) materials remains a big challenge, which necessitates understanding systematically how their molecular structure controls the CPL. Here we investigate representative organic chiral emitters with different transition density distributions and reveal the pivotal role of transition density in CPL. We rationalize that to obtain large -factors, two conditions should be simultaneously satisfied: (i) the transition density for the (or )-to- emission must be delocalized over the entire chromophore; and (ii) the chromophore inter-segment twisting must be restricted and tuned to an optimal value (∼50°).
View Article and Find Full Text PDFJ Sleep Res
August 2023
Oregon State University, Corvallis, Oregon, USA.
Toxicon
March 2023
Department of Chemistry, The University of Arizona. Tucson, AZ 85721, USA.
One natural antimicrobial peptide (EpVP2a, Eumenes pomiformis Venom Peptide 2a) found in the venom of a potter wasp (Eumenes pomiformis) and six analogs were synthesized and tested to compare their antimicrobial, antifungal, pesticide, and hemolytic activity with the wild type. Our results indicated that while the original peptide and the synthetic analogs had no antifungal activity or anti-bacterial activity against Pseudomonas aeruginosa, the original peptide and the analog with substitution of the aspartic acid on the sequence by a lysine (EpVP2a-D2K2) had activity against Escherichia coli, Staphylococcus aureus and Bacillus subtilis. This same analog also shows significant insecticide activity.
View Article and Find Full Text PDFLocules are the seed-bearing structure of fruits. Multiple locules are associated with increased fruit size and seed set, and therefore, control of locule number is an important agronomic trait. Locule number is controlled in part by the CLAVATA-WUSCHEL pathway.
View Article and Find Full Text PDFCochineal is the common name for cactus-feeding scale insects in the Dactylopiidae. These ruby-red insects include the domesticated dye insect . and congeners have been introduced around the world, some accidentally, to become pests of prickly pear cactus species (), and some intentionally, for dye production or biological control of pest In the northern Sonoran Desert (Tucson, AZ, USA), we studied the enemy complex of and on and characterized two cryptic enemies, a coccinellid beetle predator and a parasitoid wasp.
View Article and Find Full Text PDFThis article describes a project to engage community members and to determine how a school nurse-community partnership could improve healthcare equity within an American Indian community. The purpose of this community-building project was to establish a relationship among school nurse practitioners, children, and their community in a Northern Plains Indian reservation using a Community-Based Participatory Research (CBPR) model. CBPR requires a partnership between community members and school nurses in prioritizing community needs, developing an appropriate intervention, and engaging the community throughout the intervention project process.
View Article and Find Full Text PDFProc Int Astron Union
October 2021
Lunar and Planetary Laboratory, The University of Arizona Tucson, Arizona 85721, USA.
Perturbative analyses of planetary resonances commonly predict singularities and/or divergences of resonance widths at very low and very high eccentricities. We have recently reexamined the nature of these divergences using non-perturbative numerical analyses, making use of Poincaré sections but from a different perspective relative to previous implementations of this method. This perspective reveals fine structure of resonances which otherwise remains hidden in conventional approaches, including analytical, semi-analytical and numerical-averaging approaches based on the critical resonant angle.
View Article and Find Full Text PDFCardiomyopathies are a heterogeneous collection of diseases that have in common primary functional and structural abnormalities of the heart muscle, often genetically determined. The most effective categorization of cardiomyopathies is based on the presenting phenotype, with hypertrophic, dilated, arrhythmogenic, and restrictive cardiomyopathy as the prototypes. Sex modulates the prevalence, morpho-functional manifestations and clinical course of cardiomyopathies.
View Article and Find Full Text PDFAcad Psychiatry
February 2023
College of Medicine, The University of Arizona - Tucson, Tucson, AZ, USA.
Objective: Although the Centers for Disease Control and Prevention eventually recommended wearing masks in public to slow the spread of the coronavirus, the practice has been unevenly distributed in the United States.
Methods: In this article, we model county-level infrequent mask usage as a function of three pillars of conservatism: (1) Republican political leadership (percentage of votes for Donald Trump in the 2016 presidential election), (2) conservative Protestantism (percentage evangelical Christian), and (3) right-wing media consumption (Google searches for ).
Results: Our analyses indicate that mask usage tends to be in counties with greater support for President Trump (in majority Trump counties), counties with more evangelical Christians, and areas with greater interest in .
Clin Pract Cases Emerg Med
November 2021
The University of Arizona Tucson, Department of Emergency Medicine, Tucson, Arizona.
Introduction: Pott's puffy tumor (PPT) is a rare clinical disease characterized by forehead swelling from a subperiosteal abscess coupled with frontal bone osteomyelitis. It is often associated with severe complications and poor outcomes if left undiagnosed; thus, rapid recognition is crucial. Point-of-care ultrasound (POCUS) may provide an alternative pathway to diagnosis.
View Article and Find Full Text PDFCurr Sports Med Rep
July 2021
Department of Family Medicine, University of Colorado Longs Peak Family and Sports Medicine, Longmont, CO.
A sports medicine physician manages musculoskeletal (MSK) injuries and sport-related medical and MSK conditions of patients of all ages and abilities. Physical medicine and rehabilitation physicians (physiatrists) must be adequately trained to provide this care for all patients including, but not limited to, athletes participating in organized sports, the weekend warrior as well as athletes with disabilities. Accreditation Council of Graduate Medical Education core requirements and basic guidelines help physiatry residency training programs develop and implement residency curriculums.
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