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https://www.readbyqxmd.com/read/28432992/bioaccumulation-kinetics-of-copper-in-ruditapes-philippinarum-exposed-to-increasing-continuous-and-pulsed-exposure-implications-for-growth
#1
Lígia M B M Santana, Julián Blasco, Denis M S Abessa, Olivia Campana
Metal bioaccumulation and toxicity to aquatic organisms depends on factors such as magnitude, duration and frequency of the exposure. The type of the exposure affects the toxicokinetic processes in the organisms. In this study, we carried out 30-day toxicity tests on juveniles of Ruditapes philippinarum exposed to increasing, continuous and pulsed exposure. Organisms were exposed to copper-spiked sediments followed by a 10-day recovery period. We assessed the interaction between the kinetics of subcellular copper partitioning and the growth response...
April 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432986/the-effects-of-thymoquinone-on-hippocampal-cytokine-level-brain-oxidative-stress-status-and-memory-deficits-induced-by-lipopolysaccharide-in-rats
#2
Rahimeh Bargi, Fereshteh Asgharzadeh, Farimah Beheshti, Mahmoud Hosseini, Hamid Reza Sadeghnia, Majid Khazaei
OBJECTIVE: The study objective was to determine the protective effects of thymoquinone (TQ) on brain tissues oxidative stress status, hippocampal cytokine level, and learning and memory deficits induced by lipopolysaccharide (LPS) in rats. METHODS: Animals were randomly divided into the following groups and treated: (1) Control (saline), (2) LPS (1mg/kg i.p.), (3-5) 2, 5 or 10mg/kg TQ extract 30min before LPS injection. The treatment was started since two weeks before the behavioral experiments and continued during the behavioral tests (LPS injected 2h before each behavioral experiment)...
April 19, 2017: Cytokine
https://www.readbyqxmd.com/read/28432963/health-hazards-of-child-labor-in-the-leather-products-and-surgical-instrument-manufacturing-industries-of-sialkot-pakistan
#3
Muhammad Junaid, Riffat Naseem Malik, De-Sheng Pei
Child labor is a major challenge in the developing countries and comprehensive health hazard identification studies on this issue are still lacking. Therefore, the current study is an effort to highlight the health concerns of child labor exposed in the key small scale industries of Sialkot, Pakistan. Our findings revealed jolting levels of heavy metals in the urine, blood, serum, saliva, and hair samples collected from the exposed children. For example, in the urine samples, Cd, Cr, Ni, and Pb were measured at the respective concentrations of 39...
April 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28432962/gc-ms-quantitative-analysis-of-black-market-pharmaceutical-products-containing-anabolic-androgenic-steroids-seized-by-the-brazilian-federal-police
#4
Diana Brito da Justa Neves, Eloisa Dutra Caldas
The use of counterfeit or substandard medicines can have an important health impact, resulting in therapeutic failure, be toxic or even cause death. Anabolic steroids are a frequent target for counterfeiters worldwide, being the second most frequent counterfeited class in Brazil. The aims of this work were to optimize and validate a GC-MS method for the quantitative determination of anabolic steroids in tablet, aqueous suspension and oil solution forms, and to analyze pharmaceutical products sent to Brazilian Federal Police (BFP) for forensic analysis...
April 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28432937/subantibiotic-dose-of-azithromycin-attenuates-alveolar-bone-destruction-and-improves-trabecular-microarchitectures-in-a-rat-model-of-experimental-periodontitis-a-study-using-micro-computed-tomography
#5
Hye-Shin Park, Yong Sun Lee, Eun-Young Choi, Jeom-Il Choi, In Soon Choi, Sung-Jo Kim
Azithromycin, a macrolide antibiotic, has anti-inflammatory and immunomodulatory activities apart from its antibacterial properties. In this study, we examined the efficacy of subantibiotic dose of azithromycin on ligature-induced periodontitis in rats using micro-computed tomography (micro-CT) imaging and bone parameter analysis. Male Sprague-Dawley rats were allocated to the following four groups: non-ligation (NL) group; ligation-only (L) group; ligation-plus-subantibiotic dose azithromycin (SA) group; and 4) ligation-plus-antibiotic dose azithromycin (AA) group...
April 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28432935/accelerometry-based-assessment-and-detection-of-early-signs-of-balance-deficits
#6
Heidi Similä, Milla Immonen, Miikka Ermes
Falls are the cause for more than half of the injury-related hospitalizations among older people. Accurate assessment of individuals' fall risk could enable targeted interventions to reduce the risk. This paper presents a novel method for using wearable accelerometers to detect early signs of deficits in balance from gait. Gait acceleration data were analyzed from 35 healthy female participants (73.86±5.40 years). The data were collected with waist-mounted accelerometer and the participants performed three supervised balance tests: Berg Balance Scale (BBS), Timed-Up-and-Go (TUG) and 4m walk...
April 13, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28432932/surveillance-of-vittaforma-corneae-in-hot-springs-by-a-small-volume-procedure
#7
Jung-Sheng Chen, Tsui-Kang Hsu, Bing-Mu Hsu, Tung-Yi Huang, Yu-Li Huang, Men-Fang Shaio, Dar-Der Ji
Vittaforma corneae is an obligate intracellular fungus and can cause human ocular microsporidiosis. Although accumulating reports of V. corneae causing keratoconjunctivitis in both healthy and immunocompromised persons have been published, little is known about the organism's occurrence in aquatic environments. Limitations in detection sensitivity have meant a large sampling volume is required to detect the pathogen up to now, which is problematic. A recent study in Taiwan has shown that some individuals suffering from microsporidial keratitis (MK) were infected after exposure to the pathogen at a hot spring...
April 19, 2017: Water Research
https://www.readbyqxmd.com/read/28432931/acute-appendicitis-presenting-as-an-abdominal-wall-abscess-a-case-report
#8
Khalid Ahmed, Suhail Hakim, Ahmed M Suliman, Ammar Aleter, Ayman El-Menyar, Sheriff Abdulazeim Mustafa, Ahmad Zarour, Hassan Al-Thani
INTRODUCTION: Amyand hernia (AH) is a rare type of hernia characterized by the presence of appendix vermiformis in the inguinal hernial sac. It is rarely reported in women. PRESENTATION OF CASE: We presented a case of a 60- year old woman who was admitted initially with an abdominal wall abscess and found to have perforated appendix in the right inguinal hernia. The patient underwent standard open appendectomy and the post-operative course was uneventful. DISCUSSION: The initial presentation of our case as an abdominal wall abscess is rare in the contemporary literature...
April 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28432907/assessment-of-field-re-entry-exposure-to-pesticides-a-dislodgeable-foliar-residue-study
#9
Konstantinos M Kasiotis, Angelos N Tsakirakis, C Richard Glass, Agathi N Charistou, Pelagia Anastassiadou, Rianda Gerritsen-Ebben, Kyriaki Machera
A dislodgeable foliar residue study was conducted in greenhouse pepper and tomato on the island of Crete, Greece, following the spray application of an SC insecticide (with active substance (a.s.) tebufenozide) and an EC fungicide (a.s. bupirimate). Furthermore, for the assessment of worker exposure to pesticides - as a result of re-entering the treated crops - a worker dermal exposure study was carried out during the tasks of tying or pruning, which allowed the transfer coefficient values for the specific tasks to be determined...
April 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28432905/statistical-analysis-of-dislocations-and-dislocation-boundaries-from-ebsd-data
#10
C Moussa, M Bernacki, R Besnard, N Bozzolo
Electron BackScatter Diffraction (EBSD) is often used for semi-quantitative analysis of dislocations in metals. In general, disorientation is used to assess Geometrically Necessary Dislocations (GNDs) densities. In the present paper, we demonstrate that the use of disorientation can lead to inaccurate results. For example, using the disorientation leads to different GND density in recrystallized grains which cannot be physically justified. The use of disorientation gradients allows accounting for measurement noise and leads to more accurate results...
April 14, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28432897/hba1c-variability-in-type-2-diabetes-is-associated-with-the-occurrence-of-new-onset-albuminuria-within-three-years
#11
Sreemanee Raaj Dorajoo, Joceline Shi Ling Ng, Jessica Hui Fen Goh, Su Chi Lim, Chun Wei Yap, Alexandre Chan, Joyce Yu Chia Lee
AIMS: To evaluate the association between HbA1c coefficient of variation (HbA1c-CV) and 3-year new-onset albuminuria risk. METHODS: A retrospective cohort study involving 716 normoalbuminuric type 2 diabetes patients was conducted between 2010 and 2014. HbA1c-CV was used to categorize patients into low, moderate or high variability groups. Multivariate logistic models were constructed and validated. Integrated discrimination (IDI) and net reclassification (NRI) improvement indices were used to quantify the added predictive value of HbA1c-CV...
February 14, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432896/diabetes-incidence-and-influencing-factors-in-women-with-and-without-gestational-diabetes-mellitus-a-15year-population-based-follow-up-cohort-study
#12
Sonia Minooee, Fahimeh Ramezani Tehrani, Maryam Rahmati, Mohammad Ali Mansournia, Fereidoun Azizi
AIM: Very few extensive follow-up investigations evaluating patients with history of gestational diabetes mellitus (GDM) have been documented. We conducted this longitudinal study to estimate the incidence of diabetes and its predictors in women with and without GDM. METHOD: A total of 2458 eligible women, aged 20-50years (476 with GDM and 1982 without GDM) were selected from among participants of the Tehran Lipid and Glucose study, based on the World Health Organization definition for GDM screening...
April 8, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432895/predictive-ability-of-visit-to-visit-variability-in-hba1c-and-systolic-blood-pressure-for-the-development-of-microalbuminuria-and-retinopathy-in-people-with-type-2-diabetes
#13
Toshiko Takao, Machi Suka, Hiroyuki Yanagisawa, Yutaka Matsuyama, Yasuhiko Iwamoto
AIMS: We explored whether visit-to-visit variability in both glycated hemoglobin (HbA1c) and systolic blood pressure (SBP) simultaneously predicted the development of microalbuminuria and retinopathy, and whether the predictive ability of these measurements changed according to mean HbA1c and SBP levels in people with type 2 diabetes. METHODS: A retrospective observational cohort study was conducted on 243 type 2 diabetes patients with normoalbuminuria and 486 without retinopathy at the first visit and within 1year thereafter...
April 7, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28432894/the-structure-correlates-and-treatment-related-changes-of-mindfulness-facets-across-the-anxiety-disorders-and-obsessive-compulsive-disorder
#14
Lance L Hawley, Jenny Rogojanski, Valerie Vorstenbosch, Lena C Quilty, Judith M Laposa, Neil A Rector
Research with non-clinical and clinical samples has examined how mindfulness concepts relate to psychological symptom presentations. However, there is less clarity when examining treatment-seeking patients who experience DSM-diagnosed anxiety and obsessional disorders - both cross-sectionally, and following empirically-supported treatments. The Five Facet Mindfulness Questionnaire (FFMQ; Baer, Smith, Hopkins, Krietemeyer, & Toney, 2006) conceptualizes mindfulness as consisting of five facets: Observing, Describing, Acting with Awareness, Nonreactivity, and Nonjudging...
March 14, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28432890/characterization-of-spectral-responses-of-dissolved-organic-matter-dom-for-atrazine-binding-during-the-sorption-process-onto-black-soil
#15
Yifan Wang, Xinyuan Zhang, Xing Zhang, Qingjuan Meng, Fengjie Gao, Ying Zhang
This study was aim to investigate the interaction between soil-derived dissolved organic matter (DOM) and atrazine as a kind of pesticides during the sorption process onto black soil. According to the experimental data, the adsorption capacity of Soil + DOM, Soil and DOM were 41.80, 31.45 and 9.35 mg kg(-1), separately, which indicated that DOM significantly enhanced the adsorption efficiency of atrazine by soil. Data implied that the pseudo-second-order kinetic equation could well explain the adsorption process...
April 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/28432889/reducing-domestic-heating-demand-managing-the-impact-of-behavior-changing-feedback-devices-via-marketing
#16
Thorben Jensen, Émile J L Chappin
Feedback devices can be used to inform households about their energy-consumption behavior. This may persuade them to practice energy conservation. The use of feedback devices can also-via word of mouth-spread among households and thereby support the spread of the incentivized behavior, e.g. energy-efficient heating behavior. This study investigates how to manage the impact of these environmental innovations via marketing. Marketing activities can support the diffusion of devices. This study aims to identify the most effective strategies of marketing feedback devices...
April 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28432876/effect-of-pistachio-consumption-on-the-modulation-of-urinary-gut-microbiota-related-metabolites-in-prediabetic-subjects
#17
Pablo Hernández-Alonso, Daniel Cañueto, Simona Giardina, Jordi Salas-Salvadó, Nicolau Cañellas, Xavier Correig, Mònica Bulló
The specific nutritional composition of nuts could affect different metabolic pathways involved in a broad range of metabolic diseases. We therefore investigated whether chronic consumption of pistachio nuts modifies the urine metabolome in prediabetic subjects. We designed a randomized crossover clinical trial in 39 prediabetic subjects. They consumed a pistachio-supplemented diet (PD, 50% carbohydrates, 33% fat, including 57 g/d of pistachios daily) and a control diet (CD, 55% carbohydrates, 30% fat) for 4 months each, separated by a 2-week wash-out...
April 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28432875/one-step-surgical-correction-of-transverse-and-anteroposterior-maxillary-deficiencies-using-wire-fixation-a-new-approach-and-long-term-stability
#18
Max Domingues Pereira, Vivian Farfel, Gabriela Pereira Ribeiro Prado, Lydia Masako Ferreira
PURPOSE: To describe a retrospective assessment of the long-term stability of a new approach using wire fixation for 1-step surgical correction of transverse and anteroposterior maxillary deficiencies. PATIENTS AND METHODS: The authors implemented a case series of 5 adult patients (3 men and 2 women; mean age, 31.4 yr) needing maxillary advancement less than 5 mm and had transverse maxillary deficiency greater than 7 mm who underwent total Le Fort I and median palatal suture osteotomies and had their maxilla advanced and stabilized bilaterally with stainless steel wire...
March 22, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28432867/examining-the-direct-and-indirect-effects-of-visual-verbal-paired-associate-learning-on-chinese-word-reading
#19
George Georgiou, Cuina Liu, Shiyang Xu
Associative learning, traditionally measured with paired associate learning (PAL) tasks, has been found to predict reading ability in several languages. However, it remains unclear whether it also predicts word reading in Chinese, which is known for its ambiguous print-sound correspondences, and whether its effects are direct or indirect through the effects of other reading-related skills such as phonological awareness and rapid naming. Thus, the purpose of this study was to examine the direct and indirect effects of visual-verbal PAL on word reading in an unselected sample of Chinese children followed from the second to the third kindergarten year...
April 19, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28432864/plutonium-in-the-atmosphere-a-global-perspective
#20
REVIEW
P Thakur, H Khaing, S Salminen-Paatero
A number of potential source terms have contributed plutonium isotopes to the atmosphere. The atmospheric nuclear weapon tests conducted between 1945 and 1980 and the re-entry of the burned SNAP-9A satellite in 1964, respectively. It is generally believed that current levels of plutonium in the stratosphere are negligible and compared with the levels generally found at surface-level air. In this study, the time trend analysis and long-term behavior of plutonium isotopes ((239+240)Pu and (238)Pu) in the atmosphere were assessed using historical data collected by various national and international monitoring networks since 1960s...
April 19, 2017: Journal of Environmental Radioactivity
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