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https://www.readbyqxmd.com/read/29041068/relativistic-electron-acceleration-by-mj-class-khz-lasers-normally-incident-on-liquid-targets
#1
Scott Feister, Drake R Austin, John T Morrison, Kyle D Frische, Chris Orban, Gregory Ngirmang, Abraham Handler, Joseph R H Smith, Mark Schillaci, Jay A LaVerne, Enam A Chowdhury, R R Freeman, W M Roquemore
We report observation of kHz-pulsed-laser-accelerated electron energies up to 3 MeV in the -klaser (backward) direction from a 3 mJ laser interacting at normal incidence with a solid density, flowing-liquid target. The electrons/MeV/s.r. >1 MeV recorded here using a mJ-class laser exceeds or equals that of prior super-ponderomotive electron studies employing lasers at lower repetition-rates and oblique incidence. Focal intensity of the 40-fs-duration laser is 1.5 · 10(18) W cm(-2), corresponding to only ∼80 keV electron ponderomotive energy...
August 7, 2017: Optics Express
https://www.readbyqxmd.com/read/29027631/detrimental-roles-of-tnf-alpha-in-the-antiphospholipid-syndrome-and-de-novo-synthesis-of-antiphospholipid-antibodies-induced-by-biopharmaceuticals-against-tnf-alpha
#2
REVIEW
Mirjana Bećarević
Antiphospholipid syndrome (APS) is an autoimmune disease that is characterized by arterial and/or venous thrombosis and/or recurrent pregnancy losses. Obstetric APS (OAPS) is considered as a distinct entity from vascular APS (VAPS). In the absence of any additional disease, APS is designated as primary (PAPS), while the term secondary APS (SAPS) is used when other diseases are associated. Catastrophic APS (CAPS) is characterized by the rapid development of multiple thrombosis in various vital organs. The presence of antiphospholipid antibodies (aPL Abs) is considered as a laboratory criterion for APS diagnosis...
November 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29020478/photobiomodulation-therapy-for-androgenetic-alopecia-a-clinician-s-guide-to-home-use-devices-cleared-by-the-federal-drug-administration
#3
Erin M Dodd, Margo A Winter, Maria K Hordinsky, Neil S Sadick, Ronda S Farah
The market for home-use photobiomodulation devices to treat androgenetic alopecia has rapidly expanded, and the FDA has recently cleared many devices for this purpose. Patients increasingly seek dermatologists' advice regarding the safety and efficacy of these hair loss treatments. The purpose of this guide was threefold: 1) to identify all home-use photobiomodulation therapy devices with FDA-clearance for treatment of androgenetic alopecia; 2) to review device design, features and existing clinical evidence; and 3) to discuss practical considerations of photobiomodulation therapy, including patient suitability, treatment goals, safety, and device selection...
October 11, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28978666/aqp4e-based-orthogonal-arrays-regulate-rapid-cell-volume-changes-in-astrocytes
#4
Marjeta Lisjak, Maja Potokar, Boštjan Rituper, Jernej Jorgačevski, Robert Zorec
Water channel aquaporin 4 (AQP4) plays a key role in the regulation of water homeostasis in the brain. It is predominantly expressed in astrocytes at the blood-brain and blood-liquor interfaces. Although several AQP4 isoforms have been identified in the mammalian brain, two, AQP4a (M1) and AQP4c (M23), have been confirmed to cluster into plasma membrane supramolecular structures, termed orthogonal arrays of particles (OAPs) and to enhance water transport through the plasma membrane. However, the role of the newly described water-conductive mammalian isoform AQP4e is unknown...
November 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28883841/antiplatelet-and-anticoagulant-therapy-in-elderly-people-with-type-2-diabetes-mellitus-in-poland-based-on-the-polsenior-study
#5
Beata Łabuz-Roszak, Agnieszka Machowska-Majchrzak, Michał Skrzypek, Małgorzata Mossakowska, Jerzy Chudek, Andrzej Więcek, Maciej Wawrzyńczyk, Beata Łącka-Gaździk, Krystyna Pierzchała
INTRODUCTION: Type 2 diabetes mellitus (T2DM) is an important and common cardiovascular risk factor. The purpose of the study was to evaluate the frequency of use of oral antiplatelet drugs (OAPs) and oral anticoagulant drugs (OACs) among the elderly with T2DM in Poland. MATERIAL AND METHODS: The study was based on the data collected in the Polish national PolSenior study. RESULTS: Among 4979 PolSenior participants aged 65 and over, 883 (17...
August 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28816923/evaluation-of-concurrent-oral-and-long-acting-injectable-antipsychotic-prescribing-at-the-minneapolis-veterans-affairs-health-care-system
#6
Erica Dimitropoulos, Lisa Drogemuller, Kara Wong
BACKGROUND: Antipsychotic polypharmacy is defined as the concomitant prescribing of more than 1 antipsychotic medication for an individual patient. Despite clinical guideline recommendations, long-acting injectable antipsychotics (LAIAs) are often used together with oral antipsychotics (OAPs) to treat a variety of psychiatric illnesses. Little research exists to address this form of antipsychotic polypharmacy, and its role in therapy is poorly understood. The purpose of this evaluation was to determine the prevalence of this prescribing pattern at our facility, identify provider rationale for polypharmacy, and analyze trends...
August 15, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28764330/multicomponent-synthesis-of-diverse-o-arylated-benzamides-via-o-aminophenol-oap-directed-c-sp-2-h-arylation
#7
Yunyun Liu, Yi Zhang, Jie-Ping Wan
o-Aminophenol (OAP) has been discovered as practical precursor of directing group (DG) in the palladium-catalyzed aromatic C-H arylation of benzamides. This newly identified, simple, and low cost DG has exhibited broad substrate tolerance in the rapid synthesis of various o-arylated benzamides via direct assemblies of benzoyl chlorides, aryl iodides, and different o-aminophenols in the form of step economical multicomponent reaction.
August 17, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28756016/pharmacological-stroke-prevention-in-the-elderly-with-atrial-fibrillation-in-poland-results-of-polsenior-study
#8
Beata Łabuz-Roszak, Michał Skrzypek, Agnieszka Machowska-Majchrzak, Małgorzata Mossakowska, Jerzy Chudek, Andrzej Więcek, Krystyna Pierzchała, Beata Łącka-Gaździk, Tomasz Grodzicki
INTRODUCTION: Atrial fibrillation (AF) is the most frequent clinically significant arrhythmia, especially common in the elderly. As it is known, AF is associated with increased risk of stroke. Little is known about pharmacological cardiovascular prevention in the elderly with AF in Poland. OBJECTIVES: The purpose of the study was to evaluate the frequency of pharmacological stroke prevention among the elderly with AF in Poland and its association with clinical characteristics and concomitant cardiovascular risk factors...
July 11, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28746162/lung-cancer-and-annual-mean-exposure-to-outdoor-air-pollution-in-crete-greece
#9
Dimitra Sifaki-Pistolla, Christos Lionis, Filippos Koinis, Vassilis Georgoulias, Nikos Tzanakis
The increasing burden of lung cancer (LC) in Crete, Greece, has raised certain concerns about the potential association of environmental risk factors with LC. The aim of this study was to assess outdoor air pollution (OAP) and the risk for LC mortality for the first time in Crete using LC primary data. 5057 LC cases (diagnosed from 1992 to 2013) were obtained from the Cancer Registry of Crete (http://www.crc.uoc.gr) and followed up until 2014. The age-standardized incidence and mortality rates (ASIR) were calculated...
September 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28626359/noble-metal-modified-octahedral-anatase-titania-particles-with-enhanced-activity-for-decomposition-of-chemical-and-microbiological-pollutants
#10
Z Wei, M Endo, K Wang, E Charbit, A Markowska-Szczupak, B Ohtani, E Kowalska
Octahedral anatase particles (OAPs) were prepared by hydrothermal (HT) reaction of titanate nanowires (TNWs). OAPs were modified with noble metals (Au, Ag, Cu and Pt) by two photodeposition methods: in the absence and in the initial presence of oxygen in the system. Photocatalytic activities for oxidative decomposition of acetic acid and anaerobic dehydrogenation of methanol under UV/vis irradiation and for oxidation of 2-propanol under visible light irradiation were investigated. Antibacterial activities for bacteria (Escherichia coli) and fungi (Candida albicans) were investigated in the dark and under UV irradiation and/or visible light irradiation...
June 15, 2017: Chemical Engineering Journal
https://www.readbyqxmd.com/read/28614507/interview-with-jairnilson-paim
#11
Jairnilson Silva Paim
In this interview, Jairnilson Paim, coordinator of the Health Policy Analysis Project in Brazil (2003-2017) and of the Political Analysis in Health's Observatory (OAPS), supported by CNPq, highlights the OAPS's purposes in socializing the knowledge produced in research and to stimulate the political analysis in health from facts in the conjuncture. He reports that the Observatory has three layers, one consisting of 11 research axes, another showing the specific policies accompanying and the most visible that disseminates news and analysis of the conjuncture...
June 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28614495/political-analysis-in-health-the-contribution-of-the-observatory-for-political-analysis-in-health-oaps
#12
EDITORIAL
Carmen Teixeira, Jairnilson Paim
No abstract text is available yet for this article.
June 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28592914/size-controlled-gold-nanoparticles-on-octahedral-anatase-particles-as-efficient-plasmonic-photocatalyst
#13
Zhishun Wei, Lorenzo Rosa, Kunlei Wang, Maya Endo, Saulius Juodkazis, Bunsho Ohtani, Ewa Kowalska
Octahedral anatase particles (OAPs), prepared by ultrasonication-hydrothermal reaction (US-HT), were modified with 2 wt% of gold by photodeposition. Conditions of US-HT process such as durations of US and durations of HT were varied to obtain OAPs products different by physicochemical and morphological properties. Au/OAPs samples were characterized by X-ray diffraction (XRD), scanning transmission electron microscopy (STEM), X-ray photoelectron spectroscopy (XPS) and diffuse reflectance spectroscopy (DRS)...
June 5, 2017: Applied Catalysis. B, Environmental
https://www.readbyqxmd.com/read/28580230/the-use-of-long-acting-injectable-antipsychotics-in-schizophrenia
#14
REVIEW
Seiya Miyamoto, W Wolfgang Fleischhacker
Schizophrenia is a mostly chronic mental disorder, and symptomatic relapse is frequently observed. It is often associated with social and/or occupational decline that can be difficult to reverse. Most patients with the illness need long-term pharmacological treatment, and antipsychotic drugs represent the mainstay of clinical care. Long-acting injectable antipsychotics (LAIs) are an important alternative to oral medication, particularly advantageous in the context of compliance management. Several new-generation antipsychotics (NGAs), including risperidone, olanzapine, paliperidone, and aripiprazole, have become available as long-acting formulations, and new evidence has been accumulating...
2017: Current Treatment Options in Psychiatry
https://www.readbyqxmd.com/read/28501647/application-of-optical-action-potentials-in-human-induced-pluripotent-stem-cells-derived-cardiomyocytes-to-predict-drug-induced-cardiac-arrhythmias
#15
H R Lu, M P Hortigon-Vinagre, V Zamora, I Kopljar, A De Bondt, D J Gallacher, G Smith
INTRODUCTION: Human induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs) are emerging as new and human-relevant source in vitro model for cardiac safety assessment that allow us to investigate a set of 20 reference drugs for predicting cardiac arrhythmogenic liability using optical action potential (oAP) assay. METHODS: Here, we describe our examination of the oAP measurement using a voltage sensitive dye (Di-4-ANEPPS) to predict adverse compound effects using hiPS-CMs and 20 cardioactive reference compounds...
May 10, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28480345/thulium-laser-vaporesection-of-the-prostate-can-we-operate-without-interrupting-oral-antiplatelet-anticoagulant-therapy
#16
Tarik Emre Sener, Salvatore Butticè, Luciano Macchione, Christopher Netsch, Yiloren Tanidir, Laurian Dragos, Rosa Pappalardo, Carlo Magno
PURPOSE: Thulium vaporesection of the prostate (ThuVARP) is a new and safe approach for patients receiving anticoagulant therapy in whom transurethral resection of the prostate (TURP) may possess a high bleeding risk. We aimed to demonstrate the efficacy and safety of ThuVARP in patients receiving oral antiplatelet/anticoagulant (OAP/OAC) therapy. MATERIALS AND METHODS: A total of 103 patients who underwent ThuVARP between 2011 and 2013 were enrolled in the study...
May 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28451191/construction-of-an-octosyl-acid-backbone-catalyzed-by-a-radical-s-adenosylmethionine-enzyme-and-a-phosphatase-in-the-biosynthesis-of-high-carbon-sugar-nucleoside-antibiotics
#17
Nisha He, Pan Wu, Yongxing Lei, Baofu Xu, Xiaochen Zhu, Gudan Xu, Yaojie Gao, Jianzhao Qi, Zixin Deng, Gongli Tang, Wenqing Chen, Youli Xiao
Unique bicyclic octosyl uronic acid nucleosides include ezomycin, malayamycin, and octosyl acid (OA). They are structurally characterized by OA, an unusual 8-carbon furanosyl nucleoside core proposed to be the precursor to polyoxin and nikkomycin. Despite the well-known bioactivity of these nucleoside antibiotics, the biosynthesis of OA has not been elucidated yet. Here we report the two pivotal enzymatic steps in the polyoxin biosynthetic pathway leading to the identification of OA as a key intermediate. Our data suggest that this intermediate is formed via a free radical reaction catalyzed by the radical S-adenosylmethionine (SAM) enzyme, PolH, and using 3'-enolpyruvyl uridine 5'-monophosphate (3'-EUMP) as a substrate...
January 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28439408/risk-factors-and-outcomes-of-organ-space-surgical-site-infections-after-elective-colon-and-rectal-surgery
#18
Aina Gomila, Jordi Carratalà, Daniel Camprubí, Evelyn Shaw, Josep Mª Badia, Antoni Cruz, Francesc Aguilar, Carmen Nicolás, Anna Marrón, Laura Mora, Rafel Perez, Lydia Martin, Rosa Vázquez, Ana Felisa Lopez, Enric Limón, Francesc Gudiol, Miquel Pujol
BACKGROUND: Organ-space surgical site infections (SSI) are the most serious and costly infections after colorectal surgery. Most previous studies of risk factors for SSI have analysed colon and rectal procedures together. The aim of the study was to determine whether colon and rectal procedures have different risk factors and outcomes for organ-space SSI. METHODS: A multicentre observational prospective cohort study of adults undergoing elective colon and rectal procedures at 10 Spanish hospitals from 2011 to 2014...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28415983/exhaled-carbon-monoxide-a-non-invasive-biomarker-of-short-term-exposure-to-outdoor-air-pollution
#19
Herve Lawin, Lucie Ayi Fanou, Vikkey Hinson, Jacqueline Wanjiku, N Kingsley Ukwaja, Stephen B Gordon, Benjamin Fayomi, John R Balmes, Parfait Houngbegnon, Euripide Avokpaho, Ambaliou Sanni
BACKGROUND: In urban settings of Africa with rapidly increasing population, traffic-related air pollution is a major contributor to outdoor air pollution (OAP). Although OAP has been identified as a leading cause of global morbidity and mortality, there is however, lack of a simple biomarker to assess levels of exposure to OAP in resource-poor settings. This study evaluated the role of exhaled carbon monoxide (exhCO) as a potential biomarker of exposure to ambient carbon monoxide (ambCO) from OAP...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28356723/treatment-patterns-in-medicaid-patients-with-schizophrenia-initiated-on-a-first-or-second-generation-long-acting-injectable-versus-oral-antipsychotic
#20
Dominic Pilon, Kruti Joshi, Neeta Tandon, Marie-Hélène Lafeuille, Rhiannon L Kamstra, Bruno Emond, Patrick Lefebvre
BACKGROUND: Poor antipsychotic (AP) adherence is a key issue in patients with schizophrenia. First-generation antipsychotic (FGA) and second-generation antipsychotic (SGA) long-acting injectable therapies (LAI) may improve adherence compared to oral antipsychotics (OAP). The objective of the study was to compare treatment adherence and persistence in Medicaid patients with schizophrenia initiated on first-generation long-acting injectable therapies (FGA-LAI) or second-generation long-acting injectable therapies (SGA-LAI) versus OAP...
2017: Patient Preference and Adherence
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