5,140,748 results match your criteria: "United States; Allen Discovery Center for Systems Modeling of Infection[Affiliation]"

Identifying Risk Factors of Children Who Suffered Physical Abuse: A Systematic Review.

J Am Acad Orthop Surg Glob Res Rev

January 2025

From the Department of Orthopaedic Surgery, Foot and Ankle Research and Innovation Laboratory (FARIL), Massachusetts General Hospital, Harvard Medical School, Boston, MA (Flaherty, Ghandour, Mirochnik, Lucaciu, Nassour, Kwon, and Ashkani-Esfahani); the Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA (Kwon, Harris, and Ashkani-Esfahani); and the Department of Orthopaedic Surgery, Massachusetts General Hospital, Division Foot and Ankle, Harvard Medical School, Boston, MA (Kwon and Ashkani-Esfahani).

Background: Approximately 25% of children in the United States experience child abuse or neglect, 18% of whom are physically abused. Physicians are often in a position to differentiate accidental trauma from physical child abuse. Therefore, the aim of this study was to review recent literature for risk factors associated with physical child abuse.

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Rotational spectroscopy is an excellent tool for structure determination, which can provide additional insights into local electronic structure by investigating the hyperfine pattern due to nuclear quadrupole coupling. Jet-cooled molecules are good experimental benchmark targets for electronic structure calculations, as they are free of environmental effects. We report the rotational spectra of 2-chlorobenzaldehyde, 3-chlorobenzaldehyde, and 4-chlorobenzaldehyde, including a complete experimental description of the nuclear quadrupole coupling constants, which were previously not experimentally determined.

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Dispersionless Nonhybrid Density Functional.

J Chem Theory Comput

January 2025

Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, United States.

A dispersion-corrected density functional theory (DFT+D) method has been developed. It includes a nonhybrid dispersionless generalized gradient approximation (GGA) functional paired with a literature-parametrized dispersion function. The functional's 9 adjustable parameters were optimized using a training set of 589 benchmark interaction energies.

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Metabolically Stable Adenylation Inhibitors of Biotin Protein Ligase as Antibacterial Agents.

J Med Chem

January 2025

Department of Medicinal Chemistry, University of Minnesota, 308 Harvard Street SE, Minneapolis, Minnesota 55455, United States.

The antibacterial agent Bio-AMS is metabolized in vivo through hydrolysis of the central acyl-sulfamide linker leading to high clearance and release of a moderately cytotoxic metabolite . Herein, we disclose analogues designed to prevent the metabolism of the central acyl-sulfamide moiety through steric hindrance or attenuation of the acyl-sulfamide electrophilicity. was identified as a metabolically stable analogue with a single-digit nanomolar dissociation constant for biotin protein ligase (BPL) and minimum inhibitory concentrations (MICs) against and ranging from 0.

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Phaseless Auxiliary-Field Quantum Monte Carlo Method for Cavity-QED Matter Systems.

J Chem Theory Comput

January 2025

Center for Computational Quantum Physics, The Flatiron Institute, 162 Fifth Avenue, New York, New York, 10010, United States.

We present a generalization of the phaseless auxiliary-field quantum Monte Carlo (AFQMC) method to cavity quantum-electrodynamical (QED) matter systems. The method can be formulated in both the Coulomb and the dipole gauge. We verify its accuracy by benchmarking calculations on a set of small molecules against full configuration interaction and state-of-the-art QED coupled cluster (QED-CCSD) calculations.

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Transforming Medicine: Cutting-Edge Applications of Nanoscale Materials in Drug Delivery.

ACS Nano

January 2025

CAS, a division of the American Chemical Society, Columbus, Ohio 43210, United States.

Since their inception in the early 1960s, the development and use of nanoscale materials have progressed tremendously, and their roles in diverse fields ranging from human health to energy and electronics are undeniable. The application of nanotechnology inventions has revolutionized many aspects of everyday life including various medical applications and specifically drug delivery systems, maximizing the therapeutic efficacy of the contained drugs by means of bioavailability enhancement or minimization of adverse effects. In this review, we utilize the CAS Content Collection, a vast repository of scientific information extracted from journal and patent publications, to analyze trends in nanoscience research relevant to drug delivery in an effort to provide a comprehensive and detailed picture of the use of nanotechnology in this field.

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Sudden Cardiac Arrest Associated with Hemodialysis: A Community-Based Study.

Kidney360

January 2025

Center for Cardiac Arrest Prevention, Department of Cardiology, Smidt Heart Institute, Cedars-Sinai Health System, Los Angeles, CA, United States.

Background: Individuals with end-stage renal disease may be at increased risk of sudden cardiac arrest (SCA) associated with dialysis therapy. However, community-based studies with comprehensive adjudication of SCA are lacking.

Methods: We conducted a community-based study using a case-case study design in a US population of ≈1 million.

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Background: Type 2 diabetes (T2D) causes increased health care resource utilization (HCRU) and costs in the United States. People with T2D are more likely to have atherosclerotic cardiovascular disease (ASCVD), which is associated with significant morbidity and mortality. Medical associations recommend cardioprotective antidiabetic medications, including sodium-glucose cotransporter-2 inhibitors (SGLT2is) and glucagon-like peptide 1 receptor agonists (GLP-1 RAs), to reduce the risk of cardiovascular events in patients with T2D with established, or a high risk of, ASCVD, but not all eligible patients receive these medications.

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Purpose: Despite rigorous evidence of improved quality of life and longer survival, disparities in the utilization of palliative and hospice care persist for racial and ethnic minority patients with cancer. This study evaluated the impact of psychosocial factors on utilization of these services.

Methods: Patients with advanced lung cancer were recruited at a large academic urban hospital.

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Skeletal and Adipose Manifestations of Stress in a Contemporary Pediatric Sample.

Am J Biol Anthropol

January 2025

School of Anthropology and Archaeology, The Australian National University, Canberra, Australian Capital Territory, Australia.

Introduction: Adverse experiences leading to physiological disruptions (stress) in early life produce cascade effects on various biological systems, including the endocrine and metabolic systems, which, in turn, shape the developing skeletal system. To evaluate the effects of stress on adipose and skeletal tissues, we examine the relationship between skeletal indicators of stress (porotic hyperostosis [PH] and cribra orbitalia [CO]), bone mineral density (BMD), vertebral neural canal (VNC) diameters, and adipose tissue distribution in a contemporary pediatric autopsy sample.

Methods: Data is from 702 (409 males, 293 females) individuals from a pediatric (0.

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There is an increasing need for biomarkers of senescent cell burden to facilitate the selection of participants for clinical trials. p16 is encoded by the CDKN2A locus, which produces five variant transcripts in humans, two of which encode homologous p16 proteins: p16, encoded by p16_variant 1, and p16ɣ, encoded by p16_variant 5. While distinct quantitative polymerase chain reaction primers can be designed for p16_variant 5, primers for p16_variant 1 also measure p16_variant 5 (p16_variant 1 + 5).

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Background: Metabolic-bariatric surgery (MBS) transcends weight loss and offers wide-ranging health benefits, including positive effects on brain function. However, the mechanisms behind these effects remain unclear, particularly in the context of significant postoperative changes in the inflammatory profile characteristic of MBS. Understanding how inflammation influences postoperative brain function can enhance our decision-making on patient eligibility for MBS and create new opportunities to improve the outcomes of this popular treatment.

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Pathogenic variants in HMGCR were recently linked to a limb-girdle muscular dystrophy (LGMD) phenotype. The protein product HMG CoA reductase (HMGCR) catalyzes a key component of the cholesterol synthesis pathway. The two other muscle diseases associated with HMGCR, statin-associated myopathy (SAM) and autoimmune anti-HMGCR myopathy, are not inherited in a Mendelian pattern.

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Ultra-processed foods and the strategic manipulation of our evolved motivational tendencies.

Prev Med Rep

November 2024

Center for Health Promotion and Health Equity, Department of Behavioral and Social Sciences, Brown University School of Public Health, United States.

Background: Consumption of ultra-processed foods (UPFs) is responsible for an increasing proportion of non-communicable diseases and premature mortality. Recognition of the commercial and social determinants of UPF consumption represents an important advance in public health, with implications for interventions that emphasize regulatory policies rather than individual motivation. However, it is important not to lose sight of the motivational mechanisms through which commercial and social determinants exert their effects on unhealthy behavior.

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Background: Digital health technologies hold promises for enhancing healthcare and self-management in diabetes. However, disparities in Electronic Health Literacy (EHL) exist among diabetes populations. This study investigates EHL trends and demographic differences among adults with diabetes in the United States from 2011 to 2018.

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Insecticides may facilitate the escape of weeds from biological control.

PeerJ

January 2025

Department of Entomology, The Pennsylvania State University, University Park, PA, United States of America.

Background: Preventative pesticide seed treatments (hereafter preventative pest management or PPM) are common corn and soybean treatments, and often include both fungicides and neonicotinoid insecticides. While PPM is intended to protect crops from soil-borne pathogens and early season insect pests, these seed treatments may have detrimental effects on biological control of weed seeds by insects.

Methods: Here, in two 3-year corn-soy rotations in Pennsylvania USA, we investigated a PPM approach to insect management compared to an integrated pest management approach (IPM) and a "no (insect) pest management" (NPM) control.

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High-Specific Power Flexible Photovoltaics from Large-Area MoS for Space Applications.

ACS Appl Energy Mater

January 2025

Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118-5636, United States.

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) such as MoS and WSe are excellent candidates for photovoltaic (PV) applications. Here, we present the modeling, fabrication, and characterization of large-area CVD-grown MoS-based flexible PV on an off-the-shelf, 3 μm-thick flexible colorless polyimide with polyimide encapsulation designed for space structures. The devices are characterized under 1 sun AM0 illumination and show a of 0.

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Soybean cyst nematode (SCN, ) is a devastating pest affecting soybean production worldwide. Host resistance is one of the primary practices used to manage SCN. The locus contributes to the strong and effective SCN resistance, with resistance levels predominantly governed by copy number variations (CNVs) and, to lesser extent, sequence variations.

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Linking and GenBank to the National Clinical Cohort Collaborative.

Learn Health Syst

January 2025

Department of Biomedical Informatics University of Arkansas for Medical Sciences, College of Medicine Little Rock Arkansas USA.

Objective: This project demonstrates the feasibility of connecting medical imaging data and features, SARS-CoV-2 genome variants, with clinical data in the National Clinical Cohort Collaborative (N3C) repository to accelerate integrative research on detection, diagnosis, and treatment of COVID-19-related morbidities. The N3C curated a rich collection of aggregated and de-identified electronic health records (EHR) data of over 18 million patients, including 7.5 million COVID-positive patients, seen at hospitals across the United States.

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Background: The role of social determinants of health (SDH) in patient outcomes, quality of life, and overall well-being has been well documented. However, the inclusion of these variables in randomized control trials (RCTs) remains limited; thus, the extent of generalizability from such trials is brought into question. The purpose of this study is to explore the rates of reporting SDH variables in RCTs focused on shoulder surgery from the past decade.

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Background: The incidence of primary reverse total shoulder arthroplasty (rTSA) and the prevalence of obesity have increased in the United States. Despite this, the literature assessing the effect of morbid obesity (body mass index≥40 kg/m) on perioperative surgical outcomes remains inconsistent.

Methods: A retrospective review of consecutive elective primary rTSA cases from January 2016 through September 2023 at a single tertiary referral center was performed.

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Perceptibility and Acceptability Thresholds for Color Differences in Ceramic Shade Tabs: A Comparison Between Dentists and Patients.

J Clin Exp Dent

December 2024

D.D.S., M.S., Ph.D. Clinical Associate Professor. Department of Restorative Dental Sciences, University of Florida, College of Dentistry, 1395 Center Drive, College of Dentistry, Gainesville, FL, United States.

Background: The aim of this study was to evaluate the 50%:50% perceptibility thresholds (PT) and acceptability thresholds (AT) for color differences in ceramic shade tabs observed by dentists and patients using CIEDE2000 color difference formula.

Material And Methods: Twenty-two combinations of ceramic shade tabs from the VITA 3D Master shade guide were assembled to be used for the visual comparison analyses. The color difference between each shade tab pair was numerically determined by spectrophotometry using the VITA EasyShade V, and calculated using the CIEDE2000 formula (ΔE00).

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Background: This study aims to assess the relationships between sphenoid sinus (SS) types, septation, lobulation, symmetry, septal deviation, and the variations in SS pneumatization regarding the surrounding neurovascular structures using Computed tomography (CT) images. Sexes and age groups were investigated.

Material And Methods: We retrospectively evaluated head CT-scans of 320 patients (age range 18-49 years); mean of 43.

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Control of metalloenzyme activity using photopharmacophores.

Coord Chem Rev

January 2024

Department of Chemistry, University of Texas at Austin, 105 E 24th St, Austin, TX 78712, United States.

Metalloenzymes are responsible for numerous physiological and pathological processes in living organisms; however, there are very few FDA-approved metalloenzyme-targeting therapeutics (only ~ 67 FDA-approved metalloenzyme inhibitors as of 2020, less than ~ 5 % of all FDA-approved therapeutics). Most metalloenzyme inhibitors have been developed to target the catalytic metal centers in metalloenzymes the incorporation of metal-binding groups. Light-controlled inhibition of metalloenzymes has been used as a means to specifically activate and inactivate inhibitor engagement at a desired location and time light irradiation, allowing for precise spatiotemporal control over metalloenzyme activity.

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