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https://www.readbyqxmd.com/read/28527641/identifying-social-behavioral-health-needs-of-adults-with-sickle-cell-disease-in-the-emergency-department
#1
Sophia K Smith, Julia Johnston, Carlton Rutherford, Rachel Hollowell, Paula Tanabe
INTRODUCTION: Sickle cell disease (SCD) is a complex illness with many social-behavioral co-morbidities. The aim of this project was to describe unmet social-behavioral health needs for adults with SCD who presented to the emergency department for treatment of vaso-occlusive episodes (VOEs). METHODS: A descriptive study using 1:1 interviews during an ED visit for a VOE was conducted; a brief social behavioral health screening interview guide was used. A convenience sample of adults with SCD treated in the emergency department for a VOE were eligible for inclusion...
May 17, 2017: Journal of Emergency Nursing: JEN: Official Publication of the Emergency Department Nurses Association
https://www.readbyqxmd.com/read/28527459/osmotic-and-diffusio-osmotic-flow-generation-at-high-solute-concentration-i-mechanical-approaches
#2
Sophie Marbach, Hiroaki Yoshida, Lydéric Bocquet
In this paper, we explore various forms of osmotic transport in the regime of high solute concentration. We consider both the osmosis across membranes and diffusio-osmosis at solid interfaces, driven by solute concentration gradients. We follow a mechanical point of view of osmotic transport, which allows us to gain much insight into the local mechanical balance underlying osmosis. We demonstrate in particular how the general expression of the osmotic pressure for mixtures, as obtained classically from the thermodynamic framework, emerges from the mechanical balance controlling non-equilibrium transport under solute gradients...
May 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28526928/exosomes-in-cardiovascular-medicine
#3
REVIEW
Iain M Dykes
Exosomes are small, extracellular membrane-bound particles that mediate intercellular transport of a cytosolic cargo. Exosomal transfer of micro-RNA can modify gene expression in targeted cells. Exosome-based endocrine/paracrine signaling has been shown to be involved in a wide range of physiological processes including those associated with cardiovascular injury and disease, but remains relatively poorly understood. Exosomes offer great potential to the clinical field, with applications in both diagnostics and therapeutics...
May 19, 2017: Cardiology and Therapy
https://www.readbyqxmd.com/read/28526279/an-emerging-role-for-mitochondrial-dynamics-in-schizophrenia
#4
REVIEW
Kyle H Flippo, Stefan Strack
Abnormal brain development has long been thought to contribute to the pathophysiology of schizophrenia. Impaired dendritic arborization, synaptogenesis, and long term potentiation and memory have been demonstrated in animal models of schizophrenia. In addition to aberrant nervous system development, altered brain metabolism and mitochondrial function has long been observed in schizophrenic patients. Single nucleotide polymorphisms in the mitochondrial genome as well as impaired mitochondrial function have both been associated with increased risk for developing schizophrenia...
May 16, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28524919/micro-nanomotors-towards-in-vivo-application-cell-tissue-and-biofluid
#5
REVIEW
Fei Peng, Yingfeng Tu, Daniela A Wilson
Inspired by highly efficient natural motors, synthetic micro/nanomotors are self-propelled machines capable of converting the supplied fuel into mechanical motion. A significant advance has been made in the construction of diverse motors over the last decade. These synthetic motor systems, with rapid transporting and efficient cargo towing abilities, are expected to open up new horizons for various applications. Utilizing emergent motor platforms for in vivo applications is one important aspect receiving growing interest as conventional therapeutic methodology still remains limited for cancer, heart, or vasculature diseases...
May 19, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28524656/multifunctional-and-redox-responsive-self-assembled-magnetic-nanovectors-for-protein-delivery-and-dual-modal-imaging
#6
Hong Yu Yang, Moon-Sun Jang, Yi Li, Jung Hee Lee, Doo Sung Lee
Nanoparticle (NP)-based model carriers present an emerging strategy for protein delivery. However, constructing a multifunctional nanocarrier with high loading capacity, diagnostic imaging capacity and controlled release capability is a tremendous challenge for protein delivery systems. Thus, we herein report on the fabrication of redox-responsive magnetic nanovectors (termed RMNs) through self- assembly of Fe3O4 NPs and redox-responsive polymer ligands, which could effectively transport protein and trigger intracellular protein release...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28524371/out-of-hospital-emergency-care-providers-work-and-challenges-in-a-changing-care-environment
#7
Riitta Mikkola, Eija Paavilainen, Mari Salminen-Tuomaala, Päivi Leikkola
Acutely ill patients are often treated on site instead of being transported to hospital, so wide-ranging professional competence is required from staff. The aim of this study was to describe and produce new information about out-of-hospital emergency care providers' competence, skills and willingness to engage in self-development activities, and to uncover challenges experienced by care providers in the midst of changing work practices. A quantitative questionnaire was sent to out-of-hospital emergency care providers (N = 142, response rate 53%) of one Finnish hospital district...
May 19, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28524240/potential-serum-biomarkers-associated-with-mild-and-severe-leptospirosis-infection-a-cohort-study-in-the-malaysian-population
#8
Tan Xue Ting, Fairuz Binti Amran, Ravindran Thayan, Norazah Ahmad, Roslinda Jaafar, Rahimah Haron, Rafidah Abdullah, Sazwan Reezal Bin Shamsuddin, Nor Suhaila Binti Md Riffin, Puteri Shafinaz Abdul-Rahman
Leptospirosis is an emerging zoonotic infectious disease in Malaysia. The symptoms of leptospirosis vary from mild non-specific flu-like illness to a severe condition which is usually associated with serious complication and fatality. To study the protein expression profile of mild and severe leptospirosis, fifteen paired sera were collected from the patients who were mildly infected and following that progressed to severe stage. The proteome profiles of mild and severe cases were studied using 2DE analysis in combination with LC-MS/MS...
May 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28523727/synthesis-and-antineoplastic-evaluation-of-mitochondrial-complex-ii-succinate-dehydrogenase-inhibitors-derived-from-atpenin-a5
#9
Hezhen Wang, Bader Huwaimel, Kshitij Verma, James Miller, Todd Germain, Nihar Kinarivala, Dimitri Pappas, Paul Brookes, Paul Charles Trippier
Mitochondrial complex II (CII) is an emerging target for numerous human diseases. Sixteen analogues of the CII inhibitor natural product atpenin A5 were prepared to evaluate the structure-activity relationship of the C-5 pyridine side chain. The side chain ketone moiety was determined to be pharmacophoric, engendering a bioactive conformation. Analogue 16c displayed CII IC50 = 64 nM, retained selectivity for CII over mitochondrial complex I (>156-fold) and possessed a ligand-lipophilicity efficiency of 5...
May 18, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28523476/impact-of-a-patient-navigator-program-on-hospital-based-and-outpatient-utilization-over-180%C3%A2-days-in-a-safety-net-health-system
#10
Richard B Balaban, Fang Zhang, Catherine E Vialle-Valentin, Alison A Galbraith, Marguerite E Burns, Marc R Larochelle, Dennis Ross-Degnan
BACKGROUND: With emerging global payment structures, medical systems need to understand longer-term impacts of care transition strategies. OBJECTIVE: To determine the effect of a care transition program using patient navigators (PNs) on health service utilization among high-risk safety-net patients over a 180-day period. DESIGN: Randomized controlled trial conducted October 2011 through April 2013. PARTICIPANTS: Patients admitted to the general medicine service with ≥1 readmission risk factor: (1) age ≥ 60; (2) in-network inpatient admission within prior 6 months; (3) index length of stay ≥ 3 days; or (4) admission diagnosis of heart failure or (5) chronic obstructive pulmonary disease...
May 18, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28521902/differences-between-the-sexes-in-motorcycle-related-injuries-and-fatalities-at-a-taiwanese-level-i-trauma-center
#11
Ching-Hua Hsieh, Shiun-Yuan Hsu, Hsiao-Yun Hsieh, Yi-Chun Chen
BACKGROUND: Female patients present with unique physiological and behavioral characteristics compared to male patients. The aim of this study was to investigate and compare the injury patterns, injury characteristics, and mortality of male and female patients hospitalized for treatment of motorcycle accident-related trauma in a level I trauma center. METHODS: Retrospective analysis of motorcycle-related injuries from the Trauma Registry System was performed to identify and compare 4028 male and 2919 female patients hospitalized for treatment between January 1, 2009 and December 31, 2013...
April 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28521260/exocytosis-for-endosymbiosis-membrane-trafficking-pathways-for-development-of-symbiotic-membrane-compartments
#12
REVIEW
Maria J Harrison, Sergey Ivanov
During endosymbiosis with arbuscular mycorrhizal fungi or rhizobial bacteria, the microbial symbionts are housed within membrane-bound compartments in root cortex or nodule cells respectively. Their development involves polarized deposition of membrane around the symbionts as they enter the cells and the membranes show functional specialization, including transporters that mediate nutrient transfer between host and symbiont. The cellular changes associated with development of these compartments point to membrane deposition via exocytosis and over the past few years, researchers have uncovered several proteins within the exocytotic pathway that are required for development of endosymbiotic membrane compartments...
May 15, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28520765/an-integrative-analysis-of-tissue-specific-transcriptomic-and-metabolomic-responses-to-short-term-dietary-methionine-restriction-in-mice
#13
Sujoy Ghosh, Laura A Forney, Desiree Wanders, Kirsten P Stone, Thomas W Gettys
Dietary methionine restriction (MR) produces a coordinated series of transcriptional responses in peripheral tissues that limit fat accretion, remodel lipid metabolism in liver and adipose tissue, and improve overall insulin sensitivity. Hepatic sensing of reduced methionine leads to induction and release of fibroblast growth factor 21 (FGF21), which acts centrally to increase sympathetic tone and activate thermogenesis in adipose tissue. FGF21 also has direct effects in adipose to enhance glucose uptake and oxidation...
2017: PloS One
https://www.readbyqxmd.com/read/28520711/inhalational-chlorine-injuries-at-public-aquatic-venues-california-2008-2015
#14
Jason A Wilken, Michele DiMaggio, Matthew Kaufmann, Kevin O'Connor, Svetlana Smorodinsky, Christina Armatas, Tracy Barreau, Richard Kreutzer, Lino Ancheta
In June 2015, personnel from California's Contra Costa Health Services Environmental Health and Hazardous Materials (hazmat) divisions were alerted to a possible chemical release at a swimming pool in an outdoor municipal water park. Approximately 50 bathers were in the pool when symptoms began; 34 (68%) experienced vomiting, coughing, or eye irritation. Among these persons, 17 (50%) were treated at the scene by Contra Costa's Emergency Medical Services (EMS) and released, and 17 (50%) were transported to local emergency departments; five patients also were evaluated later at an emergency department or by a primary medical provider...
May 19, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28520092/mushrooms-as-efficient-solar-steam-generation-devices
#15
Ning Xu, Xiaozhen Hu, Weichao Xu, Xiuqiang Li, Lin Zhou, Shining Zhu, Jia Zhu
Solar steam generation is emerging as a promising technology, for its potential in harvesting solar energy for various applications such as desalination and sterilization. Recent studies have reported a variety of artificial structures that are designed and fabricated to improve energy conversion efficiencies by enhancing solar absorption, heat localization, water supply, and vapor transportation. Mushrooms, as a kind of living organism, are surprisingly found to be efficient solar steam-generation devices for the first time...
May 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28517937/cellular-shuttles-monocytes-macrophages-exhibit-transendothelial-transport-of-nanoparticles-under-physiological-flow
#16
Thomas Moore, Daniel Hauser, Thomas Gruber, Barbara Rothen-Rutishauser, Marco Lattuada, Alke Petri-Fink, Ruth Lyck
A major hurdle in the development of biomedical nanoparticles (NP) is understanding how they interact with complex biological systems and navigate biological barriers to arrive at pathological targets. It is becoming increasingly evident that merely controlling particle physico-chemical properties may not be sufficient to mediate particle biodistribution in dynamic environments. Thus, researchers are increasingly turning towards more complex but likewise more physiological in vitro systems to study particle-cell/particle-system interactions...
May 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28515604/development-and-psychometric-evaluation-of-the-pre-hospital-medical-emergencies-early-warning-scale
#17
Abbasali Ebrahimian, Gholamreza Masoumi, Roohangiz Jamshidi-Orak, Hesam Seyedin
INTRODUCTION: The number of requests for emergency medical services (EMSs) has increased during the past decade. However, most of the transports are not essential. Therefore, it seems crucial to develop an instrument to help EMS staff accurately identify patients who need pre-hospital care and transportation. The aim of this study was to develop and evaluate the psychometric properties of the Pre-hospital Medical Emergencies Early Warning Scale (Pre-MEWS). MATERIALS AND METHODS: This mixed-method study was conducted in two phases...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28513696/external-electric-field-driving-the-ultra-low-thermal-conductivity-of-silicene
#18
Guangzhao Qin, Zhenzhen Qin, Sheng-Ying Yue, Qing-Bo Yan, Ming Hu
The manipulation of thermal transport is in increasing demand as heat transfer plays a critical role in a wide range of practical applications, such as efficient heat dissipation in nanoelectronics and heat conduction hindering in solid-state thermoelectrics. It is well established that the thermal transport in semiconductors and insulators (phonons) can be effectively modulated by structure engineering or materials processing. However, almost all the existing approaches involve altering the original atomic structure of materials, which would be hindered due to either irreversible structure change or limited tunability of thermal conductivity...
May 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28513470/phase-diagram-of-the-shastry-sutherland-kondo-lattice-model-with-classical-localized-spins-a-variational-calculation-study
#19
Munir Shahzad, Pinaki Sengupta
We study the Kondo lattice Shastry-Sutherland model with additional Dzyaloshinskii-Moriya~(DM) interactions, exploring the possible magnetic phases in its multi-dimensional parameter space. Treating the local moments as classical spins and using a variational ansatz, we identify the parameter ranges over which various common magnetic orderings are potentially stabilized. Our results reveal that the competing interactions result in a heightened susceptibility towards a wide range of spin configurations including longitudinal ferromagnetic and antiferromagnetic order, coplanar flux configurations and most interestingly, multiple non-coplanar configurations including a novel canted flux state as the different Hamiltonian parameters like electron density, interaction strengths and degree of frustration are varied...
May 17, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28513463/alzheimer-s-disease-against-peptides-products-of-enzymatic-cleavage-app-protein-biological-pathobiological-and-physico-chemical-properties-of-fibrillating-peptides
#20
Małgorzata Marszałek
Various peptides products of enzymatic cleavage of key for Alzheimer's disease Amyloid Precursor Protein (APP) are well known, but still are matter of scientific debate. The Aβ type products are especially challenging for experimental and medical research. This paper outlines several, still poorly known, biological and medical processes such as peptides biology, i.e., formation, biodistribution, translocation, transport and finally removal from brain compartments and body fluids like Intracellular Fluid (ICF), Cerebrospinal Fluid (CSF), Interstitial Fluid (ISF), blood serum or urine...
May 17, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
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