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https://www.readbyqxmd.com/read/29456806/women-with-hereditary-breast-cancer-predispositions-should-avoid-using-their-smartphones-tablets-and-laptops-at-night
#1
EDITORIAL
Seyed Ali Reza Mortazavi, Seyed Mohammad Javad Mortazavi
Breast cancer is the most common malignancy among women, both in the developed and developing countries. Women with mutations in the BRCA1 and BRCA2 genes have an increased risk of breast and ovarian cancers. Recent studies show that short-wavelength visible light disturb the secretion of melatonin and causes circadian rhythm disruption. We have previously studied the health effects of exposure to different levels of radiofrequency electromagnetic fields (RF-EMFs) such as mobile phones, mobile base stations, mobile phone jammers, laptop computers, and radars...
February 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29455460/one-year-longtudinal-study-found-a-bidirectional-relationship-between-physical-activity-and-sleep-disturbance-in-teenage-estonian-girls
#2
L Raudsepp
AIM: Studies have shown that physical activity declines during adolescence, especially among girls. We examined the relationship between changes in physical activity and sleep disturbance over the school year, including any bidirectional relationship between these two factors. METHODS: This longitudinal study focused on teenage girls who had a mean age of 13.2 ±0.2 years at baseline and were drawn from five randomly selected schools in the city of Tartu, Estonia...
February 18, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29454933/effects-of-resting-state-condition-on-reliability-trait-specificity-and-network-connectivity-of-brain-function-measured-with-arterial-spin-labeled-perfusion-mri
#3
Zhengjun Li, Marta Vidorreta, Natalie Katchmar, David C Alsop, Daniel H Wolf, John A Detre
Resting state fMRI (rs-fMRI) provides imaging biomarkers of task-independent brain function that can be associated with clinical variables or modulated by interventions such as behavioral training or pharmacological manipulations. These biomarkers include time-averaged regional brain function as manifested by regional cerebral blood flow (CBF) measured using arterial spin labeled (ASL) perfusion MRI and correlated temporal fluctuations of function across brain networks with either ASL or blood oxygenation level dependent (BOLD) fMRI...
February 15, 2018: NeuroImage
https://www.readbyqxmd.com/read/29454211/seasonality-water-use-and-community-management-of-water-systems-in-rural-settings-qualitative-evidence-from-ghana-kenya-and-zambia
#4
Emma Kelly, Katherine F Shields, Ryan Cronk, Kristen Lee, Nikki Behnke, Tori Klug, Jamie Bartram
The sustainability of rural, community-managed water systems in sub-Saharan Africa depends in part on the ability of local water committees to repair breakdowns and carry out the operation and maintenance (O&M) of the system. Much of sub-Saharan Africa has two distinct seasons that affect the availability of water sources and how people use water. Little is known about how seasonality affects water system management. This qualitative study is based on 320 interviews and focus group discussions and examines the effects of season on community water use and management in Ghana, Kenya and Zambia...
February 14, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29454066/walking-behavior-in-a-circular-arena-modified-by-pulsed-light-stimulation-in-drosophila-melanogaster-w-1118-line
#5
Shuang Qiu, Chengfeng Xiao
The Drosophila melanogaster white-eyed w 1118 line serves as a parental stock, allowing genetic recombination of any gene of interest along with a readily recognizable marker. w 1118 flies display behavioral susceptibility to environmental stimulation such as light. It is of great importance to characterize the behavioral performance of w 1118 flies because this would provide a baseline from which the effect of the gene of interest could be differentiated. Little work has been performed to characterize the walking behavior in adult w 1118 flies...
February 14, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29453024/simultaneous-determination-of-ibuprofen-and-its-metabolites-in-complex-equine-urine-matrices-by-gc-ei-ms-in-excretion-study-in-view-of-doping-control
#6
Emilia Waraksa, Marzena Wójtowicz-Zawadka, Dorota Kwiatkowska, Anna Jarek, Anna Małkowska, Robert Wrzesień, Jacek Namieśnik
A novel assay for the simultaneous determination of ibuprofen (IBU) and its four probable metabolites, 1-hydroxyibuprofen (1-OH IBU), 2-hydroxyibuprofen (2-OH IBU), 3-hydroxyibuprofen (3-OH IBU) and carboxyibuprofen (CBX IBU) in equine urine samples with the application of Gas Chromatography-Electron Ionization-Mass Spectrometry (GC-EI-MS) has been developed and elaborated. The new approach for sample preparation including minimizing matrix effects by the application of weak cation exchange solid-phase extraction together with strong cation exchange solid-phase extraction has been applied...
February 5, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29452740/trends-in-the-incidence-of-sudden-unexpected-infant-death-in-the-newborn-1995-2014
#7
Joel L Bass, Tina Gartley, David A Lyczkowski, Ronald Kleinman
OBJECTIVE: To evaluate the epidemiology of sudden unexpected infant death (SUID) over a 20-year period in the US, to assess the potential frequency of sudden unexpected postnatal collapse in the early days of life, and to determine if SUID rates in the neonatal period (0-27 days) have changed in parallel with rates in the postneonatal periods, including the percentages attributed to codes that include accidental suffocation. STUDY DESIGN: Data from the US Centers for Disease Control and Prevention Linked Birth/Infant Death Records for 1995-2014 were analyzed for the first hour, day, week, and month of life...
February 5, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29451631/-effects-of-saludarte-program-in-feeding-and-nutrition-components-in-school-children-in-mexico-city
#8
Teresa Shamah-Levy, Lucía Cuevas-Nasu, Luz María Gómez-Acosta, Ma Del Carmen Morales-Ruan, Ignacio Méndez-Gómez Humarán, Mara Nadiezhda Robles-Villaseñor, Mauricio Hernández-Ávila
OBJECTIVE: To assess the effect of Education in Nutrition and Food Assistance components of the SaludArte program in participant schools during 2013-2015. MATERIALS AND METHODS: A three cohort comparative study was used, with two type of follow-up panel structures: a complete panel and a continuous time, with a total of consisting on 1620 scholar children from 144 schools. Information on food intake, feeding behaviors, food preservation and hygiene, physical activity (PI) and anthropometry was registered...
November 2017: Salud Pública de México
https://www.readbyqxmd.com/read/29451337/eosinophil-derived-exosomes-contribute-to-asthma-remodelling-by-activating-structural-lung-cells
#9
José A Cañas, Beatriz Sastre, José M Rodrigo-Muñoz, Mar Fernández-Nieto, Pilar Barranco, Santiago Quirce, Joaquín Sastre, Victoria Del Pozo
BACKGROUND: Eosinophils, a central factor in asthma pathogenesis, have the ability to secrete exosomes. However, the precise role played by exosomes in the biological processes leading up to asthma has not been fully defined. OBJECTIVE: We hypothesised that exosomes released by eosinophils contribute to asthma pathogenesis by activating structural lung cells. METHODS: Eosinophils from asthmatic patients and healthy volunteers were purified from peripheral blood, and exosomes were isolated from eosinophils of asthmatic and healthy individuals...
February 16, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29450650/access-to-the-cns-biomarker-strategies-for-dopaminergic-treatments
#10
REVIEW
Willem Johan van den Brink, Semra Palic, Isabelle Köhler, Elizabeth Cunera Maria de Lange
Despite substantial research carried out over the last decades, it remains difficult to understand the wide range of pharmacological effects of dopaminergic agents. The dopaminergic system is involved in several neurological disorders, such as Parkinson's disease and schizophrenia. This complex system features multiple pathways implicated in emotion and cognition, psychomotor functions and endocrine control through activation of G protein-coupled dopamine receptors. This review focuses on the system-wide effects of dopaminergic agents on the multiple biochemical and endocrine pathways, in particular the biomarkers (i...
February 15, 2018: Pharmaceutical Research
https://www.readbyqxmd.com/read/29449768/grade-iv-inferior-glenohumeral-mobilization-does-not-immediately-alter-shoulder-and-scapular-muscle-activity-a-repeated-measures-study-in-asymptomatic-individuals
#11
Daniel Cury Ribeiro, Ashleigh Day, Clark R Dickerson
Objectives: To assess: (1) the presence of any carry-over effect between interventions; (2) the immediate effects of inferior shoulder mobilization on shoulder and scapular muscle activity; and (3) to compare muscle activity response between the control and mobilization conditions. Repeated measures, cross-over, pre-post intervention study with sample of convenience. Methods: Twenty-two asymptomatic individuals performed 10 repetitions of shoulder abduction before and after the control and mobilization, with a dosage of three sets of 30-s duration, with grade-IV...
December 2017: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/29448625/aptamers-based-sensing-strategy-for-17-%C3%AE-estradiol-through-fluorescence-resonance-energy-transfer-between-oppositely-charged-cdte-quantum-dots-and-gold-nanoparticles
#12
Ying Li, Ruifang Su, Jingyue Xu, Jiaxin Bie, Rui Sun, Luokai Wang, Xin Liu, Chunyan Sun
A novel aptamers-based fluorescence resonance energy transfer (FRET) assay was developed employing the oppositely charged thioglycolic acid-capped CdTe quantum dots (TGA-CdTe QDs) and cysteamine-stabilized gold nanoparticles (cysteamine-AuNPs). The fluorescence of TGA-CdTe QDs was significantly quenched with addition of cysteamine-AuNPs via the FRET. The FRET process can be modulated by 17β-estradiol in that the specific recognition between 17β-estradiol and aptamers could show different effects on the aptamers-mediated aggregation of cysteamine-AuNPs, and correspondingly adjust the FRET process...
March 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448604/catalytic-pyrolysis-of-organosolv-and-klason-lignin-over-al-sba-15
#13
Young-Min Kim, Bo Sung Kang, Tae Uk Han, Seungdo Kim, Sang-Chul Jung, Sang Chai Kim, Jong-Ki Jeon, Young-Kwon Park
The catalytic pyrolysis of two types of lignin, organosolv and klason lignin, which were extracted from miscanthus, over Al-SBA-15 was carried out using a thermogravimetric (TG) analyzer and a pyroyzer-gas chromatography/mass spectrometry (Py-GC/MS). Although Al-SBA-15 has weak acidity, the large molecular phenolic pyrolyzates of lignin were converted effectively into small molecular phenols and aromatic hydrocarbons due to the large pore size of Al-SBA-15. Compared to klason lignin, organosolv lignin produced larger amounts of valuable chemicals, such as mono-phenol, mono-aromatics, and furans, by catalytic pyrolysis over Al-SBA-15...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448534/kinetics-of-glycerol-steam-reforming-for-hydrogen-production-over-ni-fe-ce-al%C3%A2-o%C3%A2-catalysts
#14
HeeKyoung Ryoo, Gwang-Sub Go, Byung Chol Ma, Young-Chul Kim
In this work, we investigated glycerol reaction order and activation energy to obtain several kinetic parameters in glycerol steam reforming reaction. Glycerol steam reforming for kinetics studies was carried out between 450 °C and 550 °C under atmospheric pressure with the glycerol concentration of 12-30 wt% in fixed-bed reactor. Kinetic parameters were obtained in the kinetically controlled reaction area. We also used the initial rate method to avoid effect on carbon deposition on surface of a catalyst...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448515/polyalkylene-glycol-based-lubricants-and-tribological-behaviour-role-of-ionic-liquids-and-graphene-oxide-as-additives
#15
Adolfo Senatore, Mario Pisaturo, Domenico Guida
The polyalkylene glycol (PAG) lubricants are widely used as gear, bearing and compressor oils in refrigerant systems. They are designed to provide outstanding benefits in terms of efficiency, long oil life, and equipment protection. These fully synthetic lubricants have been developed for use under operating conditions beyond the capabilities of other synthetic lubricants and mineral oils as their characteristic low pour point ensures excellent fluidity at low-temperature. On the other hand, the main drawback of PAG oils is the marked hygroscopicity, i...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448243/impact-of-health-authority-control-measures-aimed-at-reducing-the-illicit-use-of-anabolic-androgenic-steroids
#16
Raquel Vázquez-Mourelle, Eduardo Carracedo-Martinez, Adolfo Figueiras
OBJECTIVE: To evaluate two interventions on anabolic-androgenic-steroids (AAS) dispensation in retail pharmacies. MATERIAL AND METHODS: The study was conducted in a north-western region of Spain. Data were the AAS supplied by wholesale drug distributors to retail pharmacies over a period of 102 months. It is designed as an ecological time-series study; the dependent variables were daily defined doses per 1,000 inhabitants per day of each drug. The two interventions evaluated were: (1) an inspection program intended for those retail pharmacies where there was an irregular dispensation and (2) a regulation put forth forcing these pharmacies to carry out additional registers...
February 15, 2018: European Addiction Research
https://www.readbyqxmd.com/read/29447380/sirtuins-in-gamete-biology-and-reproductive-physiology-emerging-roles-and-therapeutic-potential-in-female-and-male-infertility
#17
Carla Tatone, Giovanna Di Emidio, Arcangelo Barbonetti, Gaspare Carta, Alberto M Luciano, Stefano Falone, Fernanda Amicarelli
BACKGROUND: Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases that catalyze post-translational modifications of proteins. Together, they respond to metabolic challenges, inflammatory signals or hypoxic/oxidative stress, and are associated with aging and longevity. The role of Sirtuins in the regulation of fertility emerged in 2003 when a defective reproductive phenotype was observed in SIRT1-null mice. Although studies on Sirtuins in reproductive biology have been increasing in the last years, a recent comprehensive update on this issue is still lacking...
February 13, 2018: Human Reproduction Update
https://www.readbyqxmd.com/read/29447272/reduced-translucency-and-the-addition-of-black-patterns-increase-the-catch-of-the-greenhouse-whitefly-trialeurodes-vaporariorum-on-yellow-sticky-traps
#18
Clare Sampson, Anca D Covaci, James G C Hamilton, Nayem Hassan, Shakir Al-Zaidi, William D J Kirk
The greenhouse whitefly Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) is a pest of a wide range of vegetable and ornamental crops in greenhouses around the world. Yellow sticky traps are highly attractive to flying adults and so are frequently used to monitor the pest. Our aim was to test whether changes in trap translucency or the addition of printed black patterns could increase the catch on yellow sticky traps in greenhouses. Field trials were carried out in commercial crops of strawberry and tomato under glass over three years...
2018: PloS One
https://www.readbyqxmd.com/read/29446786/the-synergistic-effect-between-positivity-socio-demographic-factors-and-smoking-cessation-results-of-a-cohort-study
#19
M C Grassi, G Alessandri, S Pasquariello, M Milioni, D Enea, M Ceccanti, G V Caprara, G La Torre
OBJECTIVE: To examine the extent to which a effect does exist between Positivity (POS), smoking and socio-demographic factors in determining quitting smoking in subjects participating in a Group Counselling Program (GCP) for smoking cessation. METHODS: 481 subjects were contacted through a telephone call. A logistic regression analysis was carried out. Possible interaction between sociodemographic variables and POS level was tested using the Synergism Index (SI)...
January 2018: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29446704/effect-of-sodium-molybdate-supplementation-on-high-concentrations-of-cu-in-liver-of-yearling-bulls
#20
E L Cuttance, R A Laven, A Watts
AIM: To determine the impact of sodium molybdate treatment, given weekly, on concentrations of Cu in liver, activity of liver enzymes, and weight gain over 4 weeks, in yearling bulls with elevated concentrations of Cu in liver. METHODS: The study was carried on two commercial grazing farms in the Otago region of New Zealand in yearling Friesian bulls (n=150 on Farm A and n=49 on Farm B) with mean concentration of Cu in liver >3,000µmol/kg fresh weight. On Day 0, all animals were weighed and half were systematically allocated to treatment with sodium molybdate (3 mg/kg liveweight on Farm A and 7 mg/kg liveweight on Farm B); the remainder received no treatment (Control)...
February 15, 2018: New Zealand Veterinary Journal
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