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https://www.readbyqxmd.com/read/29149719/tissue-specific-bioaccumulation-of-long-chain-perfluorinated-carboxylic-acids-and-halogenated-methylbipyrroles-in-dall-s-porpoises-phocoenoides-dalli-and-harbor-porpoises-phocoena-phocoena-stranded-in-northern-japan
#1
Yukiko Fujii, Yoshihisa Kato, Kentarou Sakamoto, Takashi Matsuishi, Harada H Kouji, Akio Koizumi, Osamu Kimura, Tetsuya Endo, Koichi Haraguchi
This study investigated accumulation of perfluoroalkyl substances (PFASs), persistent organochlorines (OCs), and naturally produced halogenated compounds (NHCs), including brominated methylbipyrroles and methoxylated bromodiphenyl ethers, in liver, blood, and blubber from Dall's porpoises (Phocoenoides dalli) and harbor porpoises (Phocoena phocoena) stranded in Hokkaido, northern Japan. Profiles of the PFASs were dominated by perfluoroundecanoic acid and perfluorotridecanoic acid, both of which accounted for 70% of the total measured PFAS concentrations in both porpoise species...
November 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29149670/an-updated-review-on-tritium-in-the-environment
#2
REVIEW
Frédérique Eyrolle, Loïc Ducros, Séverine Le Dizès, Karine Beaugelin-Seiller, Sabine Charmasson, Patrick Boyer, Catherine Cossonnet
Various studies indicated more or less recently that organically bound tritium (OBT) formed from gaseous or liquid tritium releases into the environment potentially accumulates in organisms contradicting hypotheses associated to methods used to assess the biological impact of tritium on humans (ASN, 2010). Increasing research works were then performed during the last decade in order to gain knowledge on this radionuclide expected to be increasingly released by nuclear installations in the near future within the environment...
November 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29149635/the-association-between-adolescent-cannabis-use-and-anxiety-a-parallel-process-analysis
#3
Jacqueline Duperrouzel, Samuel W Hawes, Catalina Lopez-Quintero, Ileana Pacheco-Colón, Jonathan Comer, Raul Gonzalez
INTRODUCTION: Associations between anxiety symptoms and cannabis use have been previously explored, yet the directionality of these associations remains highly debatable. The present study aims to prospectively examine patterns of cannabis use and anxiety during adolescence focusing on their co-development and bidirectional influences. METHODS: Adolescents (n=250) of predominantly Hispanic ethnicity, aged 14-17 at baseline, exposed to drugs, alcohol, or cigarettes completed three (bi-annual) assessments across a 1-year period...
November 4, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29149584/the-ill-fated-quest-for-fame-in-psychological-research
#4
Alexandra M Freund
The question "Am I famous yet?" directs our attention to the outcome of the journey of being a psychological scientist. There is nothing inherently wrong with wanting to achieve the highest possible outcomes when pursuing a goal. However, for a researcher, fame is an outcome that is very vague, abstract, distal, and unlikely to be attained. Focusing on this outcome might undermine motivation and persistence in the difficult endeavor of doing excellent research and contributing to psychological knowledge. To become an excellent psychological scientist might be a better outcome to which to aspire...
November 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/29149468/pneumoparotitis-as-a-complication-of-long-term-oronasal-positive-airway-pressure-for-sleep-apnea
#5
Andrew J Goates, Daniel J Lee, Joan E Maley, Phillip C Lee, Henry T Hoffman
BACKGROUND: Parotid swelling is rarely caused by pneumoparotitis from retrograde insufflation of air into Stensen's duct. Previous reports have identified occupational exposures, self-induced habits, exercise, spirometry, and short-term positive pressure airway ventilation as causes of salivary duct insufflation. METHODS: We present 2 cases of pneumoparotitis in patients on long-term oronasal continuous positive airway pressure (CPAP) for obstructive sleep apnea...
November 17, 2017: Head & Neck
https://www.readbyqxmd.com/read/29149443/migration-of-interneuron-precursors-in-the-nascent-cerebellar-cortex
#6
Annika K Wefers, Christian Haberlandt, Lachezar Surchev, Christian Steinhäuser, Ronald Jabs, Karl Schilling
The cerebellum arguably constitutes one of the best characterized central nervous circuits, and its structure, cellular function, and histogenesis have been described in exceptional quantitative detail. A notable exception to this is the development of its inhibitory interneurons, and in particular the extensive migrations of future basket and stellate cells. Here, we used acute slices from 8-day-old mice to assess the migration of Pax2-EGFP-tagged precursors of these cells en route to the molecular layer during their transit through the nascent cerebellar cortex...
November 17, 2017: Cerebellum
https://www.readbyqxmd.com/read/29149399/overcoming-hiv-stigma-a-qualitative-analysis-of-hiv-cure-research-and-stigma-among-men-who-have-sex-with-men-living-with-hiv
#7
Feng Wu, Alice Zhang, Andrew Babbitt, Qingyan Ma, Nir Eyal, Xin Pan, Weiping Cai, Fengyu Hu, Yu Cheng, Joseph D Tucker
Despite global progress in HIV stigma reduction, persistent HIV stigma thwarts effective HIV service delivery. Advances in HIV biomedical research toward a cure may shift perceptions of people living with HIV and HIV stigma. The purpose of this study was to examine how men who have sex with men (MSM) living with HIV in Guangzhou, China perceive HIV cure research and its potential impact on MSM and HIV stigma. We conducted in-depth interviews with 26 MSM living with HIV about their perceptions of HIV cure research and the potential impact of an HIV cure on their lives...
November 17, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29149395/shaken-baby-syndrome-what-certainty-do-we-have
#8
Matthieu Vinchon
BACKGROUND: Shaken baby syndrome is a common and devastating disease in infants. In spite of its frequency, many controversies persist, regarding the pathophysiology, diagnosis, and management. AIM OF THE STUDY: We reviewed several salient and challenging issues related to SBS, like its pathogenesis, predisposing factors, differential diagnosis, and prevention programs. MATERIAL AND METHODS: We derive arguments from the literature and from our prospective registry of accidental and non-accidental traumas in infants...
October 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29149334/reassessing-the-likely-harms-to-kidney-vendors-in-regulated-organ-markets
#9
Luke Semrau
Julian Koplin, drawing extensively on empirical data, has argued that vendors, even in well-regulated kidney markets, are likely to be significantly harmed. I contend that his reasoning to this conclusion is dangerously mistaken. I highlight two failures. First, Koplin is insufficiently attentive to the differences between existing markets and the regulated markets proposed by advocates. On the basis of this error, he wrongly concludes that many harms will persist even in a well-regulated system. Second, Koplin misunderstands the utilitarian assessment of the market...
November 15, 2017: Journal of Medicine and Philosophy
https://www.readbyqxmd.com/read/29149273/the-efficacy-and-safety-of-bronchial-thermoplasty-in-severe-persistent-asthma-on-extended-follow-up
#10
A O'Reilly, I Browne, D Watchorn, J J Egan, S Lane
Background: Asthma is a common condition and there remains a subset of patients who are poorly controlled on maximal therapy. Bronchial thermoplasty is a bronchoscopic therapy using radio frequency energy to reduce airway smooth muscle which has been shown to improve asthma control although further evidence regarding long term efficacy and safety is required. Aim: We aimed to demonstrate safety and efficacy of bronchial thermoplasty on extended follow up. Our initial experience with this group was previously reported in 2016 where patients were shown to have a significant improvement in Asthma Control Test (ACT) scores 1 year post treatment8...
November 15, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29149242/long-term-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-in-the-general-population-in-the-netherlands
#11
Engeline van Duijkeren, Cornelia C H Wielders, Cindy M Dierikx, Angela H A M van Hoek, Paul Hengeveld, Christiaan Veenman, Alice Florijn, Aniek Lotterman, Lidwien A M Smit, Jaap T van Dissel, Catharina B M Maassen, Sabine C de Greeff
Background: This longitudinal study aimed to investigate (risk factors for) persistence of carriage and molecular characteristics of extended-spectrum and pAmpC β-lactamase-producing (ESBL/pAmpC) Escherichia coli and Klebsiella pneumoniae (ESBL-E/K) in adults in the Dutch community. Methods: Following a cross-sectional study (ESBL-E/K prevalence 4.5%), a subset of ESBL-E/K positive (n=76) and negative (n=249) individuals volunteered to provide five monthly faecal samples and questionnaires...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29149231/field-strain-and-light-induced-superconductivity-in-organic-strongly-correlated-electron-systems
#12
Masayuki Suda, Hiroshi M Yamamoto
Stimulated by the discovery of high-temperature superconductivity in 1986, band-filling control of strongly correlated electron systems has been a persistent challenge over the past three decades in condensed matter science. In particular, recent efforts have been focused on electrostatic carrier doping of these materials, utilising field-effect transistor (FET) structures to find novel superconductivity. Our group found the first field-induced superconductivity in an organic-based material in 2013 and has been developing various types of superconducting organic FETs...
November 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29149215/longitudinal-survey-of-two-serotine-bat-eptesicus-serotinus-maternity-colonies-exposed-to-eblv-1-european-bat-lyssavirus-type-1-assessment-of-survival-and-serological-status-variations-using-capture-recapture-models
#13
Emmanuelle Robardet, Christophe Borel, Marie Moinet, Dorothée Jouan, Marine Wasniewski, Jacques Barrat, Franck Boué, Elodie Montchâtre-Leroy, Alexandre Servat, Olivier Gimenez, Florence Cliquet, Evelyne Picard-Meyer
This study describes two longitudinal serological surveys of European Bat Lyssavirus type 1 (EBLV-1) antibodies in serotine bat (Eptesicus serotinus) maternity colonies located in the North-East of France. This species is currently considered as the main EBLV-1 reservoir. Multievent capture-recapture models were used to determine the factors influencing bat rabies transmission as this method accounts for imperfect detection and uncertainty in disease states. Considering the period of study, analyses revealed that survival and recapture probabilities were not affected by the serological status of individuals, confirming the capacity of bats to be exposed to lyssaviruses without dying...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29149149/decreased-regional-grey-matter-volume-in-women-with-chronic-whiplash-associated-disorders-relationships-with-cognitive-deficits-and-disturbed-pain-processing
#14
Iris Coppieters, Robby De Pauw, Karen Caeyenberghs, Lieven Danneels, Jeroen Kregel, Astrid Pattyn, Mira Meeus, Barbara Cagnie
BACKGROUND: Patients with chronic whiplash-associated disorders (CWAD) are characterized by pain of traumatic origin, cognitive deficits, and central sensitization (CS). Previous neuroimaging studies revealed altered grey matter volume (GMV) in mild traumatic brain injury patients and chronic pain conditions also characterized by CS. It can therefore be hypothesized that GMV alterations also play a role in the persistent complaints of CWAD. However, brain alterations remain poorly investigated in these patients...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148951/reframing-consent-for-clinical-research-a-function-based-approach
#15
Neal W Dickert, Nir Eyal, Sara F Goldkind, Christine Grady, Steven Joffe, Bernard Lo, Franklin G Miller, Rebecca D Pentz, Robert Silbergleit, Kevin P Weinfurt, David Wendler, Scott Y H Kim
Although informed consent is important in clinical research, questions persist regarding when it is necessary, what it requires, and how it should be obtained. The standard view in research ethics is that the function of informed consent is to respect individual autonomy. However, consent processes are multidimensional and serve other ethical functions as well. These functions deserve particular attention when barriers to consent exist. We argue that consent serves seven ethically important and conceptually distinct functions...
December 2017: American Journal of Bioethics: AJOB
https://www.readbyqxmd.com/read/29148933/surgical-strategies-for-the-treatment-of-os-odontoideum-with-atlantoaxial-dislocation
#16
Xinghuo Wu, Kirkham B Wood, Yong Gao, Shuai Li, Jing Wang, Ting Ge, Boming Zhao, Zengwu Shao, Shuhua Yang, Cao Yang
OBJECTIVE This study aimed to compare the clinical results of using posterior fixation and fusion with or without anterior decompression to treat os odontoideum with atlantoaxial dislocation. METHODS Twenty-five consecutive patients with os odontoideum were included in this study. Sixteen patients with reducible atlantoaxial dislocation were treated by single-level posterior fusion and stabilization; the other 9 were treated with posterior fusion and stabilization combined with transoral decompression. Pre- and postoperative CT scans and MR images were obtained...
November 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29148925/degradation-of-chlordecone-and-beta-hexachlorocyclohexane-by-photolysis-photo-fenton-oxidation-and-ozonation
#17
Germán Cruz-González, Carine Julcour, Hélène Chaumat, Valérie Bourdon, Felipe Ramon-Portugal, Sarra Gaspard, Ulises J Jáuregui-Haza, Henri Delmas
Intensive use of chlorinated pesticides from the 1960s to the 1990s has resulted in a diffuse contamination of soils and surface waters in the banana-producing areas of the French West Indies. The purpose of this research was, for the first time, to examine the degradation of two of these persistent pollutants - chlordecone (CLD) and beta-hexachlorocyclohexane (β-HCH) in 1 mg L(-1) synthetic aqueous solutions by means of photolysis, (photo-) Fenton oxidation and ozonation processes. Fenton oxidation is not efficient for CLD and yields less than 15% reduction of β-HCH concentration in 5 h...
November 17, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/29148864/morphologic-criteria-of-lesion-activity-in-neovascular-age-related-macular-degeneration-a-consensus-article
#18
Stefania Miotto, Nicola Zemella, Elena Gusson, Giacomo Panozzo, Sandro Saviano, Giuseppe Scarpa, Giorgio Boschi, Stefano Piermarocchi
Intravitreal antivascular endothelial growth factor drugs represent the current standard of care for neovascular age-related macular degeneration (nAMD). Individualized treatment regimens aim at obtaining the same visual benefits of monthly injections with a reduced number of injections and follow-up visits, and, consequently, of treatment burden. The target of these strategies is to timely recognize lesion recurrence, even before visual deterioration. Early detection of lesion activity is critical to ensure that clinical outcomes are not compromised by inappropriate delays in treatment, but questions remain on how to effectively monitor the choroidal neovascularization (CNV) activity...
November 17, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29148855/effects-of-virtual-reality-based-training-with-bts-nirvana-on-functional-recovery-in-stroke-patients-preliminary-considerations
#19
Rosaria De Luca, Margherita Russo, Antonino Naro, Provvidenza Tomasello, Simona Leonardi, Floriana Santamaria, Latella Desireè, Alessia Bramanti, Giuseppe Silvestri, Placido Bramanti, Rocco Salvatore Calabrò
AIM OF THE STUDY: cognitive impairment occurs frequently in post-stroke patients. This study aimed to determine the effects of a virtual reality training (VRT) with BTs-Nirvana (BTsN) on the recovery of cognitive functions in stroke patients, using the Interactive-Semi-Immersive Program (I-SIP). MATERIALS AND METHODS: We enrolled 12 subjects (randomly divided into two groups: experimental group -EG; and control group -CG), who attended the Laboratory of Robotic and Cognitive Rehabilitation of IRCCS Neurolesi of Messina from January to June 2016...
November 17, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29148739/uv-peracetic-acid-for-degradation-of-pharmaceuticals-and-reactive-species-evaluation
#20
Meiquan Cai, Peizhe Sun, Liqiu Zhang, Ching-Hua Huang
Peracetic acid (PAA) is a widely used disinfectant, and combined UV light with PAA (i.e. UV/PAA) can be a novel advanced oxidation process for elimination of water contaminants. This study is among the first to evaluate the photolysis of PAA under UV irradiation (254 nm) and degradation of pharmaceuticals by UV/PAA. PAA exhibited high quantum yields (Φ254nm = 1.20 and 2.09 mol·Einstein-1 for the neutral (PAA0) and anionic (PAA-) species, respectively) and also showed scavenging effects on hydroxyl radicals (k•OH/PAA0 = (9...
November 17, 2017: Environmental Science & Technology
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