438,850 results match your criteria: "OH; and ¶Michigan Cancer Institute[Affiliation]"

Lightweight flexible piezoelectric devices have garnered significant interest over the past few decades due to their applications as energy harvesters and wearable sensors. Among different piezoelectrically active polymers, poly(vinylidene fluoride) and its copolymers have attracted considerable attention for energy conversion due to their high flexibility, thermal stability, and biocompatibility. However, the orientation of polymer chains for self-poling under mild conditions is still a challenging task.

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This objective of this communication is to provide an update from the Council of Teaching Hospitals (COTH) and the American Association of Colleges of Podiatric Medicine (AACPM) with respect to the profession's residency interview process, otherwise known as the Centralized Residency Interview Process (CRIP). During the 2022-2023 academic year, CRIP returned to an in-person format following a period of virtual interviews during the COVID-19 pandemic. Survey data since this change indicate that a large majority of residency program directors and student applicants prefer an in-person format to the residency interview process.

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sp. nov. and sp. nov., two bacteria isolated from marine sediment in the East China Sea.

Int J Syst Evol Microbiol

January 2025

Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Ningbo University, Ningbo 315800, PR China.

Two Gram-stain-negative, curved-rod-shaped, non-motile and aerobic bacteria W6 and I13 were isolated from marine sediment samples collected from Meishan Island located in the East China Sea. Catalase and oxidase activities and hydrolysis of Tween 40, 60 and 80 were positive for both strains, while nitrate reduction, indole production, methyl red reaction and HS production were negative. Phylogenetic analyses based on 16S rRNA and genome sequences revealed that strains W6 and I13 formed distinct phylogenetic lineages within the genera and , respectively.

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The photoinduced reaction of [Pt(NO)] with pyridine or its derivatives (L) was found to result in the formation of [PtL](NO) salts in high yield. This transformation was successfully probed for methyl- and carboxyethyl-substituted pyridines, and the corresponding [PtL](NO) salts were isolated and fully characterized using single-crystal X-ray diffraction (SCXRD). Anation of the [Pt(py)] cationic complex with N was studied by H NMR spectroscopy in aqueous and water/dimethyl sulfoxide solutions of [Pt(py)](NO).

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The reactions of LAlH (L = HC(CMeNAr), Ar = 2,6-PrCH) (1) with diphenylphosphane oxide [PhP(O)H], diphenylphosphinamide [PhP(O)NH], and diaryl/alkyl phosphane [(RO)P(O)H (R = Ph, or Pr)] afford their corresponding compounds with compositions LAl(H)OP(Ph) (2), LAl[OP(Ph)] (3), LAl{[N(H)P(O)(Ph)][OP(Ph)]} (4), LAl(OPr) (5), and LAl(OPh) (6), respectively. These reactions probably undergo a process of dehydrogenation coupling, deaminating dehydrogenation coupling, or chain-breaking coupling. It is noteworthy to mention that the reaction of compound 1 with 2 equiv.

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A Gram-stain-negative, rod-shaped, non-motile, aerobic, light-yellow-pigmented bacterium, designated as strain Y10, was isolated from Lumnitzera racemosa leaf in Iriomote island mangrove forests in Japan. The 16S rRNA gene sequence analysis revealed that the isolate Y10 was affiliated with the family Flavobacteriaceae, and the sequence showed the highest sequence identity to that of Neptunitalea chrysea NBRC 110019 (97.2%) and others with below 96% sequence identity.

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Evaluating C-Reactive Protein and Procalcitonin Discordance Among Febrile Infants at Risk of Serious Bacterial Infections.

Acta Paediatr

January 2025

Department of Emergency Medicine, KK Women's and Children's Hospital, SingHealth-Duke NUS Paediatrics Academic Clinical Programme, Duke-NUS Medical School, Singapore.

Aim: We aimed to investigate the prevalence and factors associated with C-reactive protein (CRP) and procalcitonin (PCT) discordance in febrile infants with serious bacterial infections (SBIs).

Methods: We performed a retrospective review of febrile infants ≤ 90 days old presenting to the emergency department between December 2018 and June 2023. We compared conservative and pragmatic thresholds for PCT (< 0.

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Using patient preference information (PPI) to incorporate patient voices into the drug development lifecycle can help align therapies with the needs and values of patients. However, several barriers have limited the use of PPI, including a lack of clarity on its use by decision-makers, a need for greater decision-maker trust in PPI, and a lack of time, budgets, and access to specialist expertise. The value proposition for PPI could be enhanced by making it FAIR: Findable, Accessible, Interoperable, and Reusable.

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Background: In the context of injectable biologic products approved or in development for chronic spontaneous urticaria (CSU), it is important to capture which treatment attributes matter most to patient and what trade-offs patients are willing to make.

Objectives: The CHOICE-CSU study aimed to quantify patient preferences toward injectable treatment attributes among patients with CSU, inadequately controlled by H1-antihistamines.

Methods: This was a two-phase cross-sectional patient preference study in adult patients with a diagnosis of CSU, inadequately controlled by H1-antihistamines.

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Purpose: Alcohol use has been shown to affect injury patterns and risk of trauma. This study aims to characterize the epidemiologic characteristics of alcohol involved facial injuries presenting to US emergency departments.

Methods: This study reports a cross-sectional analysis of patients with facial injuries within the National Electronic Injury Surveillance System (NEISS).

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People who spend time at the beach at increased risk for ultraviolet light (UV) exposure. This review assessed skin cancer-related knowledge, attitudes, beliefs, and prevention practices among beachgoers and sunbathers at the beach. Relevant articles were search in the following electronic databases: PubMed (Medline), Cumulative Index to Nursing and Allied Health (CINAHL), ERIC, and PsycINFO.

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Don't Sleep on Vitamin D: Vitamin D is Associated with Sleep Variability in Apparently Healthy Adults.

Am J Physiol Regul Integr Comp Physiol

January 2025

Neurovascular Physiology Laboratory, School of Kinesiology, Auburn University, Auburn, AL, USA 36849.

Vitamin D is associated with sleep quality and duration, but it's unclear whether vitamin D status influences sleep variability. Therefore, we sought to determine whether vitamin D status was associated with sleep variability in healthy adults. We assessed objective sleep, including timing and duration standard deviation () using the Philips Actiwatch Spectrum and subjective sleep quality using the Pittsburgh Sleep Quality Index (PSQI) in 130 adults.

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The labile tautomerism of -unsubstituted 5-acyl-4-pyridones, which exist in the form of 4-pyridone or 4-hydroxypyridine depending on the solvent, has been demonstrated. This equilibrium determines the reactivity of pyridones and their ability to undergo substitution reactions of the OH group. A regioselective and convenient method for the construction of functionalized pyrazolo[4,3-]pyridines (30-93%) based on the intramolecular amination reaction of 4-pyridones with hydrazines has been developed.

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Simple and sustainable three- and four-step sequences of di-OH-protection/mono-OMe-deprotection/OrgRC and di-OH-protection/mono-OMe-deprotection/OrgRC/OMe-deprotection protocols were developed to construct biologically active natural products of irisoquin, irisoquin A, irisoquin D, irisoquin F, sorgoleone-364, embelin, rapanone, 5--methylembelin, 5--methylrapanone and their analogues from the commercially available 2,5-dihydroxy-1,4-benzoquinone, aliphatic aldehydes and Hantzsch ester (1,4-DHP) in very good to excellent yields by using organocatalytic reductive coupling (OrgRC) as key reaction. Many of these natural compounds exhibited a broad spectrum of biological activities including antioxidant, anti-inflammatory, anticonvulsant, anxiolytic, analgesic, anthelmintic, antitumor, antibacterial, and antifertility properties. At the same time, simple and readily available 2,5-dihydroxy-1,4-benzoquinone was transformed into a functionally rich library of 2,5-dihydroxy-3,6-dialkyl-1,4-benzoquinones in very good yields by using sequential OrgRC followed by deprotection reactions and resulting natural/unnatural products would be excellent targets for investigation to show their biological activities compared to known natural products.

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Roughly 90% of the Polish population experiences vitamin D deficiency. The 3-epi-25(OH)D2 and 3-epi-25(OH)D3 are stereoisomers of 25(OH)D2 and 25(OH)D3, and they can inadvertently be included in measurements of 25(OH)D levels, potentially leading to its overestimating. We aimed to measure 25(OH)D2 and 25(OH)D3, their epimers 3-epi-25(OH)D2 and 3-epi-25(OH)D3, and biologically active 1,25(OH)2D3 in patients with cardiovascular disease and healthy volunteers.

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Photochemistry of Microsolvated Nitrous Acid: Observation of the Water-Separated Complex of Nitric Oxide and Hydroxyl Radical.

J Phys Chem Lett

January 2025

Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China.

The photochemistry of nitrous acid (HONO) plays a crucial role in atmospheric chemistry as it serves as a key source of hydroxyl radicals (OH) in the atmosphere; however, our comprehension of the underlying mechanism for the photochemistry of HONO especially in the presence of water is far from being complete as the transient intermediates in the photoreactions have not been observed. Herein, we report the photochemistry of microsolvated HONO by water in a cryogenic N matrix. Specifically, the 1:1 hydrogen-bonded water complex of HONO was facially prepared in the matrix through stepwise photolytic O oxidation of the water complex of imidogen (NH-HO) via the intermediacy of the elusive water complex of peroxyl isomer HNOO.

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A measurement of the dijet production cross section is reported based on proton-proton collision data collected in 2016 at by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of up to 36.3 . Jets are reconstructed with the anti- algorithm for distance parameters of and 0.

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Background: Acute ischemic stroke (AIS) from distal medium vessel occlusion (DMVO) presents unique treatment challenges. Mechanical thrombectomy (MT) is emerging as a viable option for these patients, yet the role of pre-stroke aspirin treatment is unclear. This study evaluates the impact of pre-stroke low-dose aspirin on outcomes in DMVO patients undergoing MT.

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Pyrazine (tppz) and 5-sulfosalicylic acid (HSSA) mixed-bridging Cd(II)-CP, {[Cd(HSSA)(tppz)]} (), is highly luminescent, and the emission has been quenched selectively by Al in the presence of other cations, with a limit of detection (LOD) of 43.9 nM (1.18 ppb).

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Introduction: Alterations in multiple subregions of the human prefrontal cortex (PFC) have been heavily implicated in psychiatric diseases. Moreover, emerging evidence suggests that circadian rhythms in gene expression are present across the brain, including in the PFC, and that these rhythms are altered in disease. However, investigation into the potential circadian mechanisms underlying these diseases in animal models must contend with the fact that the human PFC is highly evolved and specialized relative to that of rodents.

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Microplastics (MPs) have been detected in various environmental matrices, drinking water, and food, and their presence is an ecological and human health concern. Most research on MPs has focused solely on their detection and analysis. However, sample pretreatment methods are critical for accurate MP analysis and must be properly established.

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Heart failure (HF) is a global health issue, contributing significantly to morbidity and mortality, particularly in North America. The management of HF is complex, requiring diligent monitoring to prevent decompensation and clinical progression. While there have been improvements in treating HF, it still leads to significant negative health outcomes and heavily contributes to the use of healthcare services.

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Background: Research on the contextual drivers of antimicrobial stewardship (AMS) programme interventions in neonatal units is limited.

Methods: As part of a prospective mixed-methods multidisciplinary neonatal AMS (NeoAMS) interventional study in 14 South African hospitals, we applied a three-phased process to assess implementation barriers and contextual drivers experienced by participating health professionals. The study included: (Phase one; P1) a survey of pre-intervention barriers and enablers; (P2) written feedback during the study intervention phase; and (P3) semi-structured exit interviews.

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Exploration and Identification of Vitamin D and Related Genes as Potential Biomarkers for Colorectal Tumors.

Onco Targets Ther

January 2025

Tianjin Medical University, Tianjin Medical University General Hospital, Tianjin Institute of Digestive Disease, Tian Jin, People's Republic of China.

Objective: To explore the relationship and underlying mechanisms between vitamin D and CRC, offering valuable insights into the diagnosis and treatment of CRC.

Materials And Methods: Serum levels of 1,25(OH)D were measured using a double-antibody sandwich assay. Bioinformatics analysis identified vitamin D-related CRC genes, which were validated using HCT116 and HT29 cell lines.

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