5,146,930 results match your criteria: "United States; Brigham Young University[Affiliation]"

Photooxidation and Cleavage of Ethynylated 9,10-Dimethoxyanthracenes with Acid-Labile Ether Bonds.

J Org Chem

January 2025

Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts, 02155, United States.

This paper describes a series of 12 9,10-dimethoxyanthracene derivatives functionalized with a range of electronically diverse ethynyl substituents at the 2 and 6 positions, aimed at tuning their optoelectronic properties and reactivity with singlet oxygen (O). Optical spectroscopy, cyclic voltammetry, and density functional theory calculations reveal that the ethynyl groups decrease the HOMO-LUMO gaps in these acenes. Notably, bis(dimethylanilineethynyl) substituents increase the wavelength of absorbance onset by over 60 nm compared to 9,10-dimethoxyanthracene (DMA).

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Objective: We investigated associations between per- and polyfluoroalkyl substances (PFAS) and changes in diabetes indicators from pregnancy to 12 years after delivery among women with a history of gestational diabetes mellitus (GDM).

Research Design And Methods: Eighty Hispanic women with GDM history were followed from the third trimester of pregnancy to 12 years after delivery. Oral and intravenous glucose tolerance tests were conducted during follow-up.

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Neuroendocrine neoplasms (NENs) encompass a diverse set of malignancies with limited precision therapy options. Recently, therapies targeting DLL3 have shown clinical efficacy in aggressive NENs, including small cell lung cancers and neuroendocrine prostate cancers. Given the continued development and expansion of DLL3-targeted therapies, we sought to characterize the expression of DLL3 and identify its clinical and molecular correlates across diverse neuroendocrine and non-neuroendocrine cancers.

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Utility of a C-Spirulina Stable Isotope Gastric Emptying Breath Test in Diabetes Mellitus.

Neurogastroenterol Motil

January 2025

Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA.

Background: The carbon-13 spirulina gastric emptying breath test (GEBT) is approved to identify delayed, but not accelerated, gastric emptying (GE). We compared the utility of the GEBT to scintigraphy for diagnosing abnormal GE in patients with diabetes mellitus.

Methods: Twenty-eight patients with diabetes ate a 230-kcal test meal labeled with technetium 99 m and C-spirulina, after which 10 scintigraphic images and breath samples (baseline, 15, 30, 45, 60, 90, 120, 150, 180, 210, and 240 min) were collected on 2 occasions 1 week apart.

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Introduction: Lotilaner ophthalmic solution (0.25%) is the first United States Food and Drug Administration (US FDA)-approved drug for treating Demodex blepharitis. In pivotal trials, it was found to be well tolerated and demonstrated a significant reduction in collarettes and mite density after a 6-week treatment regimen.

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Background: Medulloblastoma is the most commonly occurring malignant brain tumor of childhood. Treatment includes a combination of surgery, radiation therapy, and chemotherapy, all of which are associated with cognitive impairments. Despite appreciation of the value of neuropsychological evaluations to assess for cognitive impairments, there are barriers to these evaluations.

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HIV-prevention efforts focusing on women of child-bearing potential are needed to end the HIV epidemic in the African region. The use of antiretroviral drugs as pre-exposure prophylaxis (PrEP) is a critical HIV prevention tool. However, safety data on new antiretrovirals during pregnancy are often limited because pregnant people are excluded from drug development studies.

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Background And Purpose: Discrimination is the unfair or prejudicial treatment of people and groups based on certain characteristics. Discrimination in health care can impede access to quality care for patients and lead to poor health outcomes. This study aimed to investigate factors, including race and ethnicity, associated with discrimination in health care in the United States.

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Background: Cervical cancer (CC) is preventable. CC screening decreases CC mortality. Emergency department (ED) patients are at disproportionately high risk for nonadherence with CC screening recommendations.

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Background: Ductal carcinoma in situ (DCIS) is overtreated, in part because of inability to predict which DCIS cases diagnosed at core needle biopsy (CNB) will be upstaged at excision. This study aimed to determine whether quantitative magnetic resonance imaging (MRI) features can identify DCIS at risk of upstaging to invasive cancer.

Methods: This prospective observational clinical trial analyzed women with a diagnosis of DCIS on CNB.

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Background: Substance use disorder affects over half of incarcerated individuals, with 23% experiencing opioid use disorder specifically. Addressing opioid use disorder in jails is crucial due to its association with increased recidivism and overdose. This study investigates the experiences of peer recovery specialists working with individuals with opioid use disorder and criminal justice involvement, focusing on barriers and facilitators to client connections.

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Purpose: Pregnant and postpartum mothers with physical disabilities face discrimination in healthcare settings and high rates of maternal and obstetric complications, as well as having higher rates of lifetime depression prior to pregnancy, potentially increasing their likelihood of experiencing postpartum depression (PPD). Some studies have found higher rates of PPD in mothers with physical disabilities than in mothers without physical disabilities, with more disabling symptoms associated with worse PPD systems; however, the literature is sparse and heterogenous. This systematic review and meta-analysis advanced this area of study by evaluating the strength of the association between PPD and physical disability.

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Purpose Of Review: A major contributor to household air pollution (HAP) in sub-Saharan Africa (SSA) is unclean cooking fuel. Improved cookstove technology (ICT) interventions have been promoted as a solution, but their impacts on health are unclear. Our aim is to conduct a systematic review to explore the impacts of ICT interventions on health outcomes in SSA.

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Evaluating and Comparing the Content Coverage of Quality Measure Sets from Israel, the United States, and the United Kingdom.

J Gen Intern Med

January 2025

Braun School of Public Health and Community Medicine, Hadassah Medical Organization, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.

Background: Quality of care can be measured in several dimensions: different clinical disciplines, structures/processes/outcomes of care (SPO), and also different domains of quality (effectiveness, safety, care coordination, patient-centeredness, efficiency, timeliness, and community/population health). To our knowledge, no previous study has compared different sets of performance measures in terms of how well they cover these different aspects of quality.

Objective: Compare the content coverage of major quality measure sets from Israel, the US, and the UK.

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Optimizing Nanobubble Production in Ceramic Membranes: Effects of Pore Size, Surface Hydrophobicity, and Flow Conditions on Bubble Characteristics and Oxygenation.

Langmuir

January 2025

John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, 323 Martin Luther King Blvd., Newark, New Jersey 07102, United States.

Precise control of nanobubble size is essential for optimizing the efficiency and performance of nanobubble applications across diverse fields, such as agriculture, water treatment, and medicine. Producing fine bubbles, including nanobubbles, is commonly achieved by purging gas through porous media, such as ceramic or polymer membranes. Many operational factors and membrane properties can significantly influence nanobubble production and characteristics.

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Time trend analysis of osteoporosis prevalence among adults 50 years of age and older in the USA, 2005-2018.

Osteoporos Int

January 2025

Department of Health Administration and Policy, College of Public Health, George Mason University, 4400 University Dr, Fairfax, VA, USA.

Unlabelled: Using data from NHANES for years 2005-2018, we examined temporal trends in osteoporosis prevalence and the proportion of undiagnosed osteoporosis in the United States of America. Our results suggested statistically significant increases in osteoporosis prevalence across several demographic groups. These findings carry profound implications for public health, given increased life expectancy and burden of chronic diseases.

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Nanosensor for Fe(II) and Fe(III) Allowing Spatiotemporal Sensing .

Nano Lett

January 2025

Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance of Research and Technology, 1 CREATE Way, #03-06, Singapore 138602, Singapore.

Fluorescent nanosensors operating have shown recent success toward informing basic plant biology and agricultural applications. We developed near-infrared (NIR) fluorescent nanosensors using the Corona Phase Molecular Recognition (CoPhMoRe) technique that distinguish Fe(II) and Fe(III) species with limit of detection as low as 10 nM. An anionic poly(p-phenyleneethynylene) (PPE) polyelectrolyte wrapped single-walled carbon nanotube (SWNT) shows up to 200% turn-on and 85% turn-off responses to Fe(II) and Fe(III), respectively, allowing spatial and temporal analysis of iron uptake in both foliar and root-to-shoot pathways.

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Screening for comprehensive social needs in patients with cancer: a narrative review.

JNCI Cancer Spectr

January 2025

Department of Hematology/Oncology, Kaiser Permanente, San Francisco Medical Center, San Francisco, CA, United States.

Background: Patients with cancer who report social needs have worse quality of life, lower healthcare access, and suboptimal health outcomes. However, screening for social needs does not happen systematically and successful screening tools, strategies, and workflows have seldom been described. The downstream effects of screening including resource navigation have also not been well characterized.

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Grape downy mildew, caused by poses a threat to grape cultivation globally. Early detection of fungicide resistance is critical for effective management. This study aimed to assess the prevalence and distribution of mutations associated with resistance to Quinone oxide inhibitors (QoI, FRAC 11), Quinone inside inhibitors (QiIs, FRAC 21, cyazofamid), Carboxylic acid amides (CAA, FRAC 41), and Quinone inside and outside inhibitor, stigmatellin binding mode (QioSI, FRAC 45, ametoctradin) in populations in the eastern United States and Canada; and evaluate whether these mutations are linked to fungicide resistance correlate with specific clades.

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Fast and interpretable mortality risk scores for critical care patients.

J Am Med Inform Assoc

January 2025

Department of Computer Science, Duke University, Durham, NC 27708, United States.

Objective: Prediction of mortality in intensive care unit (ICU) patients typically relies on black box models (that are unacceptable for use in hospitals) or hand-tuned interpretable models (that might lead to the loss in performance). We aim to bridge the gap between these 2 categories by building on modern interpretable machine learning (ML) techniques to design interpretable mortality risk scores that are as accurate as black boxes.

Material And Methods: We developed a new algorithm, GroupFasterRisk, which has several important benefits: it uses both hard and soft direct sparsity regularization, it incorporates group sparsity to allow more cohesive models, it allows for monotonicity constraint to include domain knowledge, and it produces many equally good models, which allows domain experts to choose among them.

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Objectives: To describe changes in the volume and types of emergency medical services (EMS) calls for children during the COVID-19 pandemic and after availability of the COVID-19 vaccine ("reopening period").

Methods: A retrospective cross-sectional study of EMS 9-1-1 responses to children under 18 years for all causes over a 4-year period (2019-2022) reported in the National Emergency Medical Services Information System (NEMSIS) dataset. Data was stratified into three periods, Pre-pandemic, Pandemic and Reopening.

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Inflammatory cytokines are fundamental mediators of the organismal response to injury, infection, or other harmful stimuli. To elucidate the early and mostly direct transcriptional signatures of inflammatory cytokines, we profiled all immunologic cell types by RNAseq after systemic exposure to IL1β, IL6, and TNFα. Our results revealed a significant overlap in the responses, with broad divergence between myeloid and lymphoid cells, but with very few cell-type-specific responses.

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Patterns of willingness to share health data with key stakeholders in US consumers: a latent class analysis.

J Am Med Inform Assoc

January 2025

Department of Health Policy and Management, Fielding School of Public Health, UCLA, Los Angeles, CA 90095, United States.

Objective: To identify distinct patterns in consumer willingness to share health data with various stakeholders and analyze characteristics across consumer groups.

Materials And Methods: Data from the Rock Health Digital Health Consumer Adoption Survey from 2018, 2019, 2020, and 2022 were analyzed. This study comprised a Census-matched representative sample of U.

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The gut microbiome is a complex system that directly interacts with and influences many systems in the body. This delicate balance of microbiota plays an important role in health and disease and is highly influenced by lifestyle factors and the surrounding environment. As further research emerges, understanding the full potential of the gut microbiome and the impact of using nutraceuticals to positively influence its function may open the door to greater therapeutic outcomes in the treatment and prevention of disease.

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