381,445 results match your criteria: "Pennsylvania; Monell Chemical Senses Center[Affiliation]"

Orthopaedic Sports Injuries in an Aging Population: Current Trends and Future Projections.

Sports Health

January 2025

Department of Orthopaedic Surgery, Hackensack Meridian Health, Hackensack, New Jersey.

Background: The elderly US population is growing quickly and staying active longer. However, there is limited information on sports-related injuries in older adults.

Hypotheses: (1) National estimate and incidence of sports-related orthopaedic injuries in the US elderly population have increased over the last 10 years, (2) types and causes of sports-related injuries in the elderly have changed, and (3) elderly sports-related injuries will increase more than the number of treating physicians by 2040.

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The impact of climate change on vulnerable populations in pediatrics: opportunities for AI, digital health, and beyond-a scoping review and selected case studies.

Pediatr Res

January 2025

Division of General Pediatrics, Department of Pediatrics, The Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA.

Climate change critically impacts global pediatric health, presenting unique and escalating challenges due to children's inherent vulnerabilities and ongoing physiological development. This scoping review intricately intertwines the spheres of climate change, pediatric health, and Artificial Intelligence (AI), with a goal to elucidate the potential of AI and digital health in mitigating the adverse child health outcomes induced by environmental alterations, especially in Low- and Middle-Income Countries (LMICs). A notable gap is uncovered: literature directly correlating AI interventions with climate change-impacted pediatric health is scant, even though substantial research exists at the confluence of AI and health, and health and climate change respectively.

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Enhanced energy storage in antiferroelectrics via antipolar frustration.

Nature

January 2025

State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, China.

Dielectric-based energy storage capacitors characterized with fast charging and discharging speed and reliability play a vital role in cutting-edge electrical and electronic equipment. In pursuit of capacitor miniaturization and integration, dielectrics must offer high energy density and efficiency. Antiferroelectrics with antiparallel dipole configurations have been of significant interest for high-performance energy storage due to their negligible remanent polarization and high maximum polarization in the field-induced ferroelectric state.

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Structured illumination microscopy (SIM) is a robust wide-field optical nanoscopy technique. Several approaches are implemented to improve SIM's resolution capability (∼2-fold). However, achieving a high resolution with a large field of view (FOV) is still challenging.

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Introduction: Voice abuse and misuse are the most common causes of benign vocal fold lesions (BVFL). Treatment may include a combination of voice therapy, singing sessions, or surgical resection. Otolaryngologists and speech language pathologists advocate for preoperative, as well as postoperative, voice therapy.

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Background And Purpose: The normal tissue sparing afforded by FLASH radiotherapy is being intensely investigated for potential clinical translation. Here, we studied the effects of FLASH proton radiotherapy (F-PRT) in the reirradiation setting, with or without hypofractionation. Chronic toxicities in three murine models of normal tissue toxicity including the intestine, skin, and bone were investigated.

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Background: The vascular and cardiometabolic effects of pecans are relatively under-studied.

Objectives: The aim was to examine how substitution of usual snack foods with 57 g/day of pecans affects vascular health, risk factors for cardiometabolic diseases and diet quality, compared to continuing usual intake in individuals at risk for cardiometabolic diseases.

Methods: A 12-week single-blinded, parallel, randomized controlled trial was conducted.

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Increasing evidence supports the role of an augmented immune response in the early development and progression of renal complications caused by diabetes. We recently demonstrated that podocyte-specific expression of stress response protein regulated in development and DNA damage response 1 (REDD1) contributes to activation of the pro-inflammatory transcription factor NF-κB in the kidney of diabetic mice. The studies here were designed to define the specific signaling events whereby REDD1 promotes NF-κB activation in the context of diabetic nephropathy.

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Dysregulation of genes encoding the homologous to E6AP C-terminus (HECT) E3 ubiquitin ligases has been linked to cancer and structural birth defects. One member of this family, the HECT-domain-containing protein 1 (HECTD1), mediates developmental pathways, including cell signaling, gene expression, and embryogenesis. Through GeneMatcher, we identified 14 unrelated individuals with 15 different variants in HECTD1 (10 missense, 3 frameshift, 1 nonsense, and 1 splicing variant) with neurodevelopmental disorders (NDDs), including autism, attention-deficit/hyperactivity disorder, and epilepsy.

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International medical graduates (IMGs) have been integral to the United States (US) healthcare system and have helped tackle physician shortages for over a century. Current data suggest that by 2030, almost half the states will suffer from physician shortage and estimate a deficit of almost 139,000 physician jobs nationally. These numbers raise concern and call for innovative strategies to mitigate the potential problem.

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Background: Microaggressions are pervasive in clinical and academic environments, often unnoticed by those unaware of the privileges and power dynamics tied to socially constructed hierarchies. These subtle manifestations of bias and prejudice are typically directed toward historically marginalized individuals and groups (HMIGs), contributing to a toxic culture that undermines interprofessional communication, collaboration, and healthcare delivery.

Purpose: This article aims to explore the concept of microaggressions and their impact on healthcare environments.

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This study introduces a novel approach to enhance the antibacterial properties of UIO-66 by incorporating both Thymol and ZnO nanoparticles within its framework which represents a significant advancement like exhibiting a synergistic antibacterial effect, providing a prolonged and controlled release, and mitigating cytotoxicity associated with the release of free ZnO nanoparticles by combining these two antimicrobial agents within a single, well-defined metal-organic framework. UIO-66 frameworks are investigated as carriers for the natural antimicrobial agent, Thymol, and ZnONPs offering a novel drug delivery system for antibacterial applications. Results demonstrated 132, 90, 184, and 223 nm sizes for UIO-66, ZnONPs, UIO-66 encapsulated Thymol, and UIO-66 encapsulated both Thymol and ZnONPs, respectively.

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Transvaginal ultrasound-guided follicle aspiration (TVA) is being performed commonly in clinical equine practice. There is limited information in the literature about the type and incidence of complications related to TVA. We conducted a survey (Study 1), completed by 23 practicing veterinarians, soliciting information about the types and incidence of minor and major complications and of fatalities they had experienced associated with performance of TVA.

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Background: Psoriasis is an inflammatory disease primarily treated through molecular-targeted therapies. However, emerging evidence suggests that dietary interventions may also play a role in managing inflammation associated with this condition. The Mediterranean diet (MedDiet), prevalent in southern European countries, has been widely recognized for its ability to reduce cardiovascular mortality, largely due to its anti-inflammatory properties.

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Background Aims: SBP leads to high rates acute kidney injury (AKI) -hepatorenal syndrome and mortality. Population-based studies on contemporary SBP epidemiology are needed to inform care. In a large, national cohort of patients diagnosed with SBP and confirmed by ascitic fluid criteria, we characterized ascitic fluid characteristics, in-hospital and 12-month mortality, AKI, and recurrent SBP.

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Associations between affect variability, mean affect, and mental health among college students during the COVID-19 pandemic.

J Am Coll Health

January 2025

Edna Bennett Pierce Prevention Research Center, The Pennsylvania State University, University Park, Pennsylvania, USA.

The purpose of the study was to test whether associations between affect variability and mental health (i.e., anxiety symptoms, depressive symptoms, flourishing) differ by mean levels of affect during the COVID-19 pandemic.

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Objective: Countertransference (CT) has been shown to interfere with therapy goals, and its management is crucial to desired treatment outcomes. As a first step, a clinician's awareness of their covert and overt CT reactions is critical to successfully managing CT. Research on CT awareness is scarce, however, mainly because of difficulties in empirically investigating and measuring this construct.

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Landau-Levich Scaling for Optimization of Quantum Dot Layer Morphology and Thickness in Quantum-Dot Light-Emitting Diodes.

ACS Nano

January 2025

Department of Chemical and Biomolecular Engineering, Lehigh University, 124 E. Morton Street, Bethlehem, Pennsylvania 18015, United States.

Quantum dot (QD) light-emitting diodes (QLEDs) are promising candidates for next-generation displays because of their high efficiency, brightness, broad color gamut, and solution-processability. Large-scale solution-processing of electroluminescent QLEDs poses significant challenges, particularly concerning the precise control of the active layer's thickness and uniformity. These obstacles directly impact charge transport, leading to current leakage and reduced overall efficiency.

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Generalizing multiple memories from a single drive: The hysteron latch.

Sci Adv

January 2025

Department of Physics, Pennsylvania State University, University Park, PA, USA.

Far-from-equilibrium systems can form memories of previous deformations or driving. In systems from sheared glassy materials to buckling beams to crumpled sheets, this behavior is dominated by return-point memory, in which revisiting a past extremum of driving restores the system to a previous state. Cyclic driving with both positive and negative strains forms multiple nested memories, as in a single-dial combination lock, while asymmetric driving (only positive strain) cannot.

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Within- and Between-Person Differences in Activity Factor Structure: Results from an Ecological Momentary Assessment Study.

J Gerontol B Psychol Sci Soc Sci

January 2025

Department of Human Development and Family Studies, Pennsylvania State University, State College, Pennsylvania, USA.

Objective: Studies using ecological momentary assessment (EMA) of activity participation rely on items tapping domains informed by factor analyses based on single time points. Analyses from a single time point focus on differences between participants and provide little insight into how activities cluster together within a person across moments or days. The present study compared the factor structure in activity participation between- and within-persons using an expanded set of momentary activity items in middle and older adulthood.

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Background: The accurate inclusion of patient comorbidities ensures appropriate risk adjustment in clinical or health services research and payment models. Orthopaedic studies often use only the comorbidities included at the index inpatient admission when quantifying patient risk. The goal of this study was to assess improvements in capture rates and in model fit and discriminatory power when using additional data and best practices for comorbidity capture.

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Importance: A comprehensive lipid panel is recommended by guidelines to evaluate atherosclerotic cardiovascular disease risk, but uptake is low.

Objective: To evaluate whether direct outreach including bulk orders with and without text messaging increases lipid screening rates.

Design, Setting, And Participants: Pragmatic randomized clinical trial conducted from June 6, 2023, to September 6, 2023, at 2 primary care practices at an academic health system among patients aged 20 to 75 years with at least 1 primary care visit in the past 3 years who were overdue for lipid screening.

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Quantifying the Chirality of Vibrational Modes in Helical Molecular Chains.

Phys Rev Lett

December 2024

Tel Aviv University, University of Pennsylvania, Department of Chemistry, Philadelphia, Pennsylvania 19104, USA and School of Chemistry, Tel Aviv 69978, Israel.

Chiral phonons have been proposed to be involved in various physical phenomena, yet the chirality of molecular normal modes has not been well defined mathematically. Here we examine two approaches for assigning and quantifying the chirality of molecular normal modes in double-helical molecular wires with various levels of twist. First, associating with each normal mode a structure obtained by imposing the corresponding motion on a common origin, we apply the continuous chirality measure (CCM) to quantitatively assess the relationship between the chirality-weighted normal mode spectrum and the chirality of the underlying molecular structure.

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We have produced state selective molecular angular momentum orientation using dressed states created by a cw optical field. The experiment was carried out with Li_{2} molecules and a combination of left- and right-hand circularly polarized lasers. Our approach exploits the dependence of the Rabi frequency on the quantum number M, which makes it possible to achieve complete M-state selectivity and thus molecular angular momentum orientation relative to laboratory frame space-fixed axes.

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