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https://www.readbyqxmd.com/read/28550797/potential-tracers-for-tracking-septic-tank-effluent-discharges-in-watercourses
#1
Samia Richards, Paul J A Withers, Eric Paterson, Colin W McRoberts, Marc Stutter
Septic tank effluent (STE) contributes to catchment nutrient and pollutant loads. To assess the role of STE discharges in impairment of surface water, it is essential to identify the sources of pollution by tracing contaminants in watercourses. We examined tracers that were present in STE to establish their potential for identifying STE contamination in two stream systems (low and high dilution levels) against the background of upstream sources. The studied tracers were microbial, organic matter fluorescence, caffeine, artificial sweeteners and effluent chemical concentrations...
May 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28550792/social-stress-contagion-in-rats-behavioural-autonomic-and-neuroendocrine-correlates
#2
Luca Carnevali, Nicola Montano, Rosario Statello, Gino Coudé, Federica Vacondio, Silvia Rivara, Pier Francesco Ferrari, Andrea Sgoifo
The negative emotional consequences associated with life stress exposure in an individual can affect the emotional state of social partners. In this study, we describe an experimental rat model of social stress contagion and its effects on social behaviour and cardiac autonomic and neuroendocrine functions. Adult male Wistar rats were pair-housed and one animal (designated as "demonstrator" (DEM)) was submitted to either social defeat stress (STR) by an aggressive male Wild-type rat in a separate room or just exposed to an unfamiliar empty cage (control condition, CTR), once a day for 4 consecutive days...
May 20, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28550783/occurrence-distribution-and-bioaccumulation-behaviour-of-hydrophobic-organic-contaminants-in-a-large-scale-constructed-wetland-in-singapore
#3
Qian Wang, Barry C Kelly
This study involved a field-based investigation to assess the occurrence, distribution and bioaccumulation behaviour of hydrophobic organic contaminants in a large-scale constructed wetland. Samples of raw leachate, water and wetland plants, Typha angustifolia, were collected for chemical analysis. Target contaminants included polychlorinated biphenyls (PCBs), organochlorine pesticides (OCP), as well as several halogenated flame retardants (HFRs) and personal care products (triclosan and synthetic musks). In addition to PCBs and OCPs, synthetic musks, triclosan (TCS) and dechlorane plus stereoisomers (syn- and anti-DPs) were frequently detected...
May 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28550755/sedentary-behaviour-patterns-in-outpatients-with-severe-mental-illness-a-cross-sectional-study-using-objective-and-self-reported-methods-the-psychiactive-project
#4
Javier Bueno-Antequera, Miguel Ángel Oviedo-Caro, Diego Munguia-Izquierdo
This study aimed to quantify and compare sedentary behaviour patterns in patients with severe mental illness as stratified by gender, age, body mass index, distress, illness duration and antipsychotic medication using both objective and self-reported methods. Sedentary behaviour patterns were measured in 90 outpatients (mean age±SD: 41.6±9.2 years, 20% women) with severe mental illness (primarily schizophrenia, n=63) using the SenseWear Armband and the Sedentary Behaviour Questionnaire. They spent 58% of waking time sedentary, primarily watching television...
May 10, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28550751/gender-roles-sex-and-the-expression-of-driving-anger
#5
M J M Sullman, J Paxion, A N Stephens
The present study investigated the validity of the 25-item Driving Anger Expression Inventory (DAX) as well as the role of sex and gender-roles in relation to the expression of driving anger in a sample of 378 French drivers (males=38%, M=32.9years old). Confirmatory Factor Analysis supported the four-factor structure of the 25-item DAX (Adaptive/Constructive Expression; Use of the Vehicle to Express Anger; Verbal Aggressive Expression and Personal Physical Aggressive Expression) and two of the three aggressive factors were found to have significant positive relationships with driving anger, while adaptive/constructive expression was negatively related to driving anger...
May 24, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28550750/mobile-phone-conversations-listening-to-music-and-quiet-electric-cars-are-traffic-sounds-important-for-safe-cycling
#6
A Stelling-Konczak, G P van Wee, J J F Commandeur, M Hagenzieker
Listening to music or talking on the phone while cycling as well as the growing number of quiet (electric) cars on the road can make the use of auditory cues challenging for cyclists. The present study examined to what extent and in which traffic situations traffic sounds are important for safe cycling. Furthermore, the study investigated the potential safety implications of limited auditory information caused by quiet (electric) cars and by cyclists listening to music or talking on the phone. An Internet survey among 2249 cyclists in three age groups (16-18, 30-40 and 65-70year old) was carried out to collect information on the following aspects: 1) the auditory perception of traffic sounds, including the sounds of quiet (electric) cars; 2) the possible compensatory behaviours of cyclists who listen to music or talk on their mobile phones; 3) the possible contribution of listening to music and talking on the phone to cycling crashes and incidents...
May 24, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28550530/rtms-ameliorates-ptsd-symptoms-in-rats-by-enhancing-glutamate-transmission-and-synaptic-plasticity-in-the-acc-via-the-pten-akt-signalling-pathway
#7
Gaohua Liu, Dayun Feng, Jian Wang, Haifeng Zhang, Zhengwu Peng, Min Cai, Jing Yang, Ruiguo Zhang, Huaning Wang, Shengxi Wu, Qingrong Tan
Repetitive transcranial magnetic stimulation (rTMS) is a novel physiological therapy that has been adopted to clinically treat psychiatric disorders. Our previous study indicated the potential therapeutic effect of rTMS on posttraumatic stress disorder (PTSD). However, the exact molecular mechanism is elusive. Currently, using the single prolonged stress (SPS) rat model for PTSD, we investigated the glutamatergic transmission and neural plasticity changes in the anterior cingulate cortex (ACC) after SPS induction and explored the protective effects and mechanism of rTMS treatment...
May 26, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28550405/projective-biomechanical-depth-matching-for-soft-tissue-registration-in-laparoscopic-surgery
#8
Daniel Reichard, Dominik Häntsch, Sebastian Bodenstedt, Stefan Suwelack, Martin Wagner, Hannes Kenngott, Beat Müller-Stich, Lena Maier-Hein, Rüdiger Dillmann, Stefanie Speidel
PURPOSE: A key component of computer- assisted surgery systems is the accurate and robust registration of preoperative planning data with intraoperative sensor data. In laparoscopic surgery, this image-based registration remains challenging due to soft tissue deformations. This paper presents a novel approach for biomechanical soft tissue registration of preoperative CT data with stereo endoscopic image data. METHODS: The proposed method consists of two registrations steps...
May 26, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28550312/dependence-of-solidification-for-bi2te3-xsex-alloys-on-their-liquid-states
#9
Yuan Yu, Zhan Wu, Oana Cojocaru-Mirédin, Bin Zhu, Xiao-Yu Wang, Na Gao, Zhong-Yue Huang, Fang-Qiu Zu
The resistivity versus temperature (ρ-T) behaviours of liquid n-type Bi2Te3-x Se x (x = 0.3, 0.45 and 0.6) alloys are explored up to 1050 °C. A clear hump is observed on all ρ-T curves of the three studied Bi2Te3-x Se x melts during the heating process, which suggests that a temperature-induced liquid-liquid structural transition takes place in the melts. Based on this information, the solidification behaviours and microstructures of the alloys with different liquid states are investigated. The samples that experienced liquid structural transition show that the nucleation and growth undercooling degrees are conspicuously enlarged and the solidification time is shortened...
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28550025/mineralocorticoid-receptor-null-mice-informing-cell-type-specific-roles
#10
Timothy James Cole, Morag Young
The mineralocorticoid receptor (MR) mediates the actions of two important adrenal corticosteroid hormones, aldosterone and cortisol. The cell signalling roles of the MR in vivo have expanded enormously since the cloning of human MR gene 30 years ago and the first MR gene knockout in mice nearly 20 years ago. Complete ablation of the MR revealed important roles postnatally for regulation of kidney epithelial functions, with MR-null mice dying 1-2 weeks postnatally from renal salt wasting and hyperkalaemia, with elevated plasma renin and aldosterone...
May 26, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28549907/transformation-of-bcs-class-i-and-iii-drugs-into-ionic-liquids-and-lipophilic-salts-for-enhanced-developability-using-lipid-formulations
#11
Hywel D Williams, Leigh Ford, Shea Lim, Sifei Han, John Baumann, Hannah Sullivan, David Vodak, Annabel Igonin, Hassan Benameur, Colin W Pouton, Peter J Scammells, Christopher J H Porter
Higher lipid solubility of lipophilic salt forms creates new product development opportunities for high-dose liquid-filled capsules. The purpose of this study was to determine if lipophilic salts of BCS Class I amlodipine and BCS Class III fexofenadine, ranitidine and metformin were better lipid formulation candidates than existing commercial salts. Lipophilic salts were prepared from lipophilic anions and commercial HCl or besylate salt forms, as verified by (1)H NMR. Thermal properties were assessed by DSC and hot-stage microscopy...
May 23, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28549577/-child-behaviour-problems-and-parenting-skills-of-mothers-in-environments-of-intimate-partner-violence
#12
Ana Rosser Limiñana, Raquel Suriá Martínez, Miguel Ángel Mateo Pérez
OBJECTIVE: To assess the behavioural problems of children who have been exposed to intimate partner violence situations, and the moderating effect of mother parenting. METHOD: We analysed, using the Child Behavior CheckList, behavioural problems of 46 children between 6 and 16 years, and the relationship between the detected problems and parenting skills shown in the mother-child interaction in shelters. RESULTS: Increased behavioural problems were detected in children, compared with normative population...
May 23, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28549567/how-stallions-influence-the-dynamic-of-collective-movements-in-two-groups-of-domestic-horses-from-departure-to-arrival
#13
Léa Briard, Jean-Louis Deneubourg, Odile Petit
The role of leader in polygynous species has been solely attributed to the male for some time, but recent studies shown decision making to be distributed within the group. However, the specific reproductive strategy and behavioural repertoire of males in polygynous species such as horses may mean that these individuals still have the potential to play a specific role during decision-making. To investigate this subject, we thoroughly studied the behaviour of two domestic stallions during collective movements of their group...
May 23, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28549476/comparing-motivational-self-regulatory-and-habitual-processes-in-a-computer-tailored-physical-activity-intervention-in-hospital-employees-protocol-for-the-paths-randomised-controlled-trial
#14
Dominika Kwasnicka, Corneel Vandelanotte, Amanda Rebar, Benjamin Gardner, Camille Short, Mitch Duncan, Dawn Crook, Martin S Hagger
BACKGROUND: Most people do not engage in sufficient physical activity to confer health benefits and to reduce risk of chronic disease. Healthcare professionals frequently provide guidance on physical activity, but often do not meet guideline levels of physical activity themselves. The main objective of this study is to develop and test the efficacy of a tailored intervention to increase healthcare professionals' physical activity participation and quality of life, and to reduce work-related stress and absenteeism...
May 26, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28549470/rationale-and-protocol-paper-for-the-healthy-active-peaceful-playgrounds-for-youth-happy-study
#15
Wayne Cotton, Dean Dudley, Kirsten Jackson, Matthew Winslade, Janice Atkin
BACKGROUND: A growing body of evidence suggest an association between physical activity levels and students psychological well-being. A number of research studies have evaluated playground interventions that aim to increase physical activity levels, decrease conflict and bullying, and improve students behaviour. The HAPPY Study will evaluate the success of an intervention combining environmental modifications, teacher development, and peer support that can culminate in an easy to implement, low cost and effective model for increasing physical activity, and improving psychological well-being for children...
May 26, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28549455/inter-act-prevention-of-pregnancy-complications-through-an-e-health-driven-interpregnancy-lifestyle-intervention-study-protocol-of-a-multicentre-randomised-controlled-trial
#16
Annick Bogaerts, Lieveke Ameye, Margriet Bijlholt, Kelly Amuli, Dorine Heynickx, Roland Devlieger
BACKGROUND: Excessive maternal pre-pregnancy and gestational weight gain are related to pregnancy- and birth outcomes. The interpregnancy time window offers a unique opportunity to intervene in order to acquire a healthy lifestyle before the start of a new pregnancy. METHODS: INTER-ACT is an e-health driven multicentre randomised controlled intervention trial targeting women at high risk of pregnancy- and birth related complications. Eligible women are recruited for the study at day 2 or 3 postpartum...
May 26, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28549173/incidental-mosquitocidal-effect-of-an-ivermectin-mass-drug-administration-on-anopheles-farauti-conducted-for-scabies-control-in-the-solomon-islands
#17
Christian Kositz, Jeptah Talina, Jason Diau, Rowena Asugeni, Cheryl Whitehorn, David Mabey, Carlos Chaccour, Michael Marks
Background: The Solomon Islands is targeting elimination of malaria by 2030. The dominant vector is the predominantly exophagic, exophilic Anopheles farauti sensu strictu. This biting behaviour limits the efficacy of conventional vector control tools and highlights the need for new strategies. When administered to humans ivermectin has been shown to have a mosquitocidal effect. Mass drug administration (MDA) with ivermectin is an emerging strategy in the control of scabies. In this study we explored any incidental effect of ivermectin MDA conducted for scabies control on mosquitoes...
May 26, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28549077/clinical-criteria-for-subtyping-parkinson-s-disease-biomarkers-and-longitudinal-progression
#18
Seyed-Mohammad Fereshtehnejad, Yashar Zeighami, Alain Dagher, Ronald B Postuma
Parkinson's disease varies widely in clinical manifestations, course of progression and biomarker profiles from person to person. Identification of distinct Parkinson's disease subtypes is of great priority to illuminate underlying pathophysiology, predict progression and develop more efficient personalized care approaches. There is currently no clear way to define and divide subtypes in Parkinson's disease. Using data from the Parkinson's Progression Markers Initiative, we aimed to identify distinct subgroups via cluster analysis of a comprehensive dataset at baseline (i...
May 25, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28549063/food-addiction-and-obesity-unnecessary-medicalization-of-hedonic-overeating
#19
REVIEW
Graham Finlayson
The concept of addiction is loaded with connotations and is often used for its political as much as its medical utility. The scientific case for 'food addiction' as a clinical phenotype currently rests on its association with generic diagnostic criteria for substance-related disorders being applied to everyday foods and eating-related problems. This has fused the concept of obesity with addiction regardless of whether it fits the definition. The hedonic, or reward, system can account for the ingestion of foods and drugs, confirming that they share neural substrates that differentiate liking and wanting...
May 26, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28548670/oxocomplexes-of-u-vi-with-8-hydroxyquinoline-5-sulfonate-in-solution-structural-studies-and-photophysical-behaviour
#20
M Luísa Ramos, Licínia L G Justino, Rui Barata, Telma Costa, Bernardo A Nogueira, Rui Fausto, Hugh D Burrows
Multinuclear ((1)H and (13)C) NMR, and Raman spectroscopy, combined with DFT calculations, provide detailed information on the complexation between U(vi) oxoions and 8-hydroxyquinoline-5-sulfonate (8-HQS) in aqueous solution. Over the concentration region studied, U(vi) oxoions (uranyl ions) form one dominant complex with 8-HQS in water in the pH range 3-6, a mononuclear 1 : 2 (metal : ligand) complex, with the metal centre (UO2(2+)) coordinated to two 8-HQS ligands, together with one or more water molecules...
May 26, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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