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https://www.readbyqxmd.com/read/29166665/meditation-experts-try-virtual-reality-mindfulness-a-pilot-study-evaluation-of-the-feasibility-and-acceptability-of-virtual-reality-to-facilitate-mindfulness-practice-in-people-attending-a-mindfulness-conference
#1
María V Navarro-Haro, Yolanda López-Del-Hoyo, Daniel Campos, Marsha M Linehan, Hunter G Hoffman, Azucena García-Palacios, Marta Modrego-Alarcón, Luis Borao, Javier García-Campayo
Regular mindfulness practice benefits people both mentally and physically, but many populations who could benefit do not practice mindfulness. Virtual Reality (VR) is a new technology that helps capture participants' attention and gives users the illusion of "being there" in the 3D computer generated environment, facilitating sense of presence. By limiting distractions from the real world, increasing sense of presence and giving people an interesting place to go to practice mindfulness, Virtual Reality may facilitate mindfulness practice...
2017: PloS One
https://www.readbyqxmd.com/read/29166627/1-4-dioxane-pollution-at-contaminated-groundwater-sites-in-western-germany-and-its-distribution-within-a-tce-plume
#2
Ursula Karges, Johannes Becker, Wilhelm Püttmann
An effective and sensitive method for the analysis of 1,4-dioxane in water has been available since 2008 (EPA 522). This method is increasingly being applied to investigate the distribution of 1,4-dioxane in the aquatic environment. However, there is a need for more information about the possible occurrence of 1,4-dioxane in groundwater in Europe in general, and in Germany in particular, where virtually no data have been collected so far. The possible contamination of groundwater with 1,4-dioxane is of relevance to Germany because up to 70% of Germany's drinking water is obtained from groundwater and about 17% from river bank filtrate, which contains variable proportions of groundwater...
November 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29166410/devario-in-bangladesh-species-diversity-sibling-species-and-introgression-within-danionin-cyprinids-teleostei-cyprinidae-danioninae
#3
Sven O Kullander, Md Mizanur Rahman, Michael Norén, Abdur Rob Mollah
Four species of Devario are recorded from Bangladesh: D. aequipinnatus, D. anomalus, D. coxi, new species, and D. devario. Devario aequipinnatus has a wide distribution in northern India and Bangladesh. Devario coxi, from southeastern Bangladesh near Cox's Bazar, differs from D. aequipinnatus in mtDNA (COI, p-distance 1.8%), colouration, proportional measurements, and meristics. The minor morphological differences and low frequency of overlapping meristics suggest relatively recent separation of D. coxi from other D...
2017: PloS One
https://www.readbyqxmd.com/read/29166406/revised-geochronology-correlation-and-dinosaur-stratigraphic-ranges-of-the-santonian-maastrichtian-late-cretaceous-formations-of-the-western-interior-of-north-america
#4
Denver Warwick Fowler
Interbasinal stratigraphic correlation provides the foundation for all consequent continental-scale geological and paleontological analyses. Correlation requires synthesis of lithostratigraphic, biostratigraphic and geochronologic data, and must be periodically updated to accord with advances in dating techniques, changing standards for radiometric dates, new stratigraphic concepts, hypotheses, fossil specimens, and field data. Outdated or incorrect correlation exposes geological and paleontological analyses to potential error...
2017: PloS One
https://www.readbyqxmd.com/read/29165378/effects-of-sediment-chemical-properties-on-phosphorus-release-rates-in-the-sediment-water-interface-of-the-steppe-wetlands
#5
Jing He, Derong Su, Shihai Lv, Zhaoyan Diao, Jingjie Xie, Yan Luo
Rising temperature causes a process of phosphorus release, which can be characterized well using phosphorus release rates (VP). The objective of the present study was to investigate the major factors affecting sediment phosphorus release rates through a wetland habitat simulation experiment. The results showed that the VP of different wetland sediments were different and changed with the order of W-R (river wetland) > W-L (lake wetland) > W-M (grassy marsh wetland) > W-A (reservoir wetland). The main driving factors which influenced sediment phosphorus flux velocity in the sediment-water interface were sediment B-SO₄(2-), B-MBN and A-MBP content...
November 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29165334/development-and-validation-of-an-on-line-water-toxicity-sensor-with-immobilized-luminescent-bacteria-for-on-line-surface-water-monitoring
#6
Marjolijn Woutersen, Bram van der Gaag, Afua Abrafi Boakye, Jan Mink, Robert S Marks, Arco J Wagenvoort, Henk A M Ketelaars, Bram Brouwer, Minne B Heringa
Surface water used for drinking water production is frequently monitored in The Netherlands using whole organism biomonitors, with for example Daphnia magna or Dreissena mussels, which respond to changes in the water quality. However, not all human-relevant toxic compounds can be detected by these biomonitors. Therefore, a new on-line biosensor has been developed, containing immobilized genetically modified bacteria, which respond to genotoxicity in the water by emitting luminescence. The performance of this sensor was tested under laboratory conditions, as well as under field conditions at a monitoring station along the river Meuse in The Netherlands...
November 22, 2017: Sensors
https://www.readbyqxmd.com/read/29165146/association-between-posttraumatic-stress-disorder-ptsd-severity-and-ego-structure-of-the-nanai-people
#7
Yoko Ota, Natalia Korshunova, Masashi Demura, Midori Katsuyama, Hironobu Katsuyama, Sri Ratna Rahayu, Kiyofumi Saijoh
BACKGROUND: A man-made chemical disaster occurred in the Amur River, leading to posttraumatic stress disorder (PTSD) in the Nanai people indigenous to the river's surrounding area. PTSD severity measured by the total scores of Impact of Event Scale-Revised (IES-R) (Total-I) and Clinician-Administered PTSD Scale (CAPS) (Total-C) were not always identical in terms of demographic and ethnocultural characters. It is possible that the results derived using the Total-I and Total-C may differ for persons with different backgrounds and/or individual characteristics...
July 10, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164536/particle-size-distribution-predicts-particulate-phosphorus-removal
#8
Mark River, Curtis J Richardson
Particulate phosphorus (PP) is often the largest component of the total phosphorus (P) load in stormwater. Fine-resolution measurement of particle sizes allows us to investigate the mechanisms behind the removal of PP in stormwater wetlands, since the diameter of particles influences the settling velocity and the amount of sorbed P on a particle. In this paper, we present a novel method to estimate PP, where we measure and count individual particles in stormwater and use the total surface area as a proxy for PP...
November 21, 2017: Ambio
https://www.readbyqxmd.com/read/29164535/multi-criterial-evaluation-of-p-removal-optimization-in-rural-wastewater-treatment-plants-for-a-sub-catchment-of-the-baltic-sea
#9
Michael Cramer, Tatyana Koegst, Jens Traenckner
Rural wastewater treatment plants (WWTP) are recognized as a significant phosphorous (P)-emission source in the German sub-catchments of the Baltic Sea. But enhancement of P-removal is cost intensive especially for small communities. This study proposes a concept to efficiently reduce P-emissions from WWTP by introducing low-cost non-constructional measures and assessing the resulting change of ambient water quality on a river basin scale. As case study, we choose the Warnow catchment in Mecklenburg-Vorpommern (Germany) where 76 % of WWTP-emissions originate from treatment plants without P-discharge limits...
November 21, 2017: Ambio
https://www.readbyqxmd.com/read/29164517/the-mycoestrogen-zearalenone-in-portuguese-flowing-waters-and-its-potential-environmental-impact
#10
Célia S M Laranjeiro, Liliana João Gatões da Silva, André M P T Pereira, Angelina Pena, Celeste M Lino
This study provides the first environmental risk assessment (ERA) for zearalenone (ZEN), the only known mycoestrogen, based on a broad-scale investigation on its occurrence in rivers and creeks from Portugal. Water sample filtration and immunoaffinity columns (IAC) clean-up followed by liquid chromatograph with tandem mass spectrometry (LC/MS (n) ) provided an analytical method with good analytical performance. ZEN levels were determined for seven Portuguese rivers and one creek, during two different seasons, in a total of 38 samples collected upstream wastewater treatment plants (WWTPs)...
November 21, 2017: Mycotoxin Research
https://www.readbyqxmd.com/read/29164465/assessment-of-pollutions-and-identification-of-sources-of-heavy-metals-in-sediments-from-west-coast-of-shenzhen-china
#11
Fengwen Huang, Yang Xu, Zhenhao Tan, Zhibing Wu, Hong Xu, Liangliang Shen, Xu Xu, Qingguo Han, Hai Guo, Zhangli Hu
The sediment samples were collected from eight sites located in the Pearl River Estuary and the Shenzhen Bay of the west coast of Shenzhen. The distributions of the seven elements Zn, Cr, Hg, Cu, Cd, Pb and As have been analyzed, and their pollution degrees, corresponding potential ecological risks and source identifications have been studied using geo-accumulation index, potential ecological risk index and integrated multivariate statistical methods, respectively. Based on the calculated geo-accumulation indices, the contamination levels of all elements in the Pearl River Estuary are similar to those in the Shenzhen Bay, reflecting that these elements in the study areas have similar sources because of the adequate seawater exchange...
November 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29164452/identification-of-suh-gene-and-evidence-for-involvement-of-notch-signaling-pathway-on-gonadal-differentiation-of-yellow-river-carp-cyprinus-carpio
#12
Yongfang Jia, Fang Wang, Ruihua Zhang, Tingting Liang, WanWan Zhang, Xiaolin Ji, Qiyan Du, Zhongjie Chang
The suh gene is crucial in Notch pathway and regulates mammalian gonad development. In this study, the sequences of suh1 and suh2 genes in Yellow River carp (Cyprinus carpio) were verified. The partial 5'-flanking regions of suh1 and suh2 were analyzed and several potential transcription factor-binding sites were identified. Phylogenetic, gene structure, and chromosome synteny analyses revealed that carp suh1 and suh2 were orthologs and homologous to vertebrate suh. Investigation of the expression profiles of suh1 and suh2 with qPCR showed that these genes were abundant in the brain and gonad of carp, with suh1 exhibiting sexual dimorphism expression pattern in gonad...
November 21, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29164274/detection-and-sizing-of-ti-containing-particles-in-recreational-waters-using-single-particle-icp-ms
#13
Arjun K Venkatesan, Robert B Reed, Sungyun Lee, Xiangyu Bi, David Hanigan, Yu Yang, James F Ranville, Pierre Herckes, Paul Westerhoff
Single particle inductively coupled plasma mass spectrometry (spICP-MS) was used to detect Ti-containing particles in heavily-used bathing areas of a river (Salt River) and five swimming pools. Ti-containing particle concentrations in swimming pools ranged from 2.8 × 10(3) to 4.4 × 10(3) particles/mL and were an order of magnitude lower than those detected in the Salt River. Measurements from the Salt River showed an 80% increase in Ti-containing particle concentration over baseline concentration during peak recreational activity (at 16:00 h) in the river...
November 21, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29164098/the-highs-and-lows-of-making-a-bucket-list-quantifying-potential-mosquito-breeding-habitats-in-metropolitan-backyards
#14
Ram Sharan Lamichhane, Peter J Neville, Jacques Oosthuizen, Kim Clark, Samir Mainali, Maria Fatouros, Shelley Beatty
While the development of land for residential housing along the Swan and Canning Rivers in Perth, WA, Australia has reduced natural mosquito breeding sites, the role of backyard container breeding remains a relatively unknown factor. Local Governments responsible for these areas focus management and control efforts on low lying, tidally driven mosquito habitats to control Aedes vigilax (Skuse) and Aedes camptorhynchus (Thomson) mosquitoes in an effort to reduce both the nuisance and disease risk to residents...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/29163672/contribution-of-riboflavin-supply-pathways-to-vibrio-cholerae-in-different-environments
#15
Andrés Fuentes Flores, Ignacio Sepúlveda Cisternas, José Ignacio Vásquez Solis de Ovando, Alexia Torres, Víctor Antonio García-Angulo
Background: The waterborne diarrheagenic bacterium Vibrio cholerae, cause of the pandemic cholera disease, thrives in a variety of environments ranging from estuarine waters to the human intestinal tract. This species has two ways to obtain the essential micronutrient riboflavin, de novo biosynthesis and environmental uptake through the RibN importer. The way these functions interrelate to fulfill riboflavin needs in different conditions in this species is unknown. Results: This study analyzed the contributions of riboflavin biosynthesis and transport to the culturability of Vibrio cholerae in river and seawater in vitro and in the Caenorhabditis elegans nematode host model...
2017: Gut Pathogens
https://www.readbyqxmd.com/read/29163386/evaluating-production-of-cyclopentyl-tetraethers-by-marine-group-ii-euryarchaeota-in-the-pearl-river-estuary-and-coastal-south-china-sea-potential-impact-on-the-tex86-paleothermometer
#16
Jin-Xiang Wang, Wei Xie, Yi Ge Zhang, Travis B Meador, Chuanlun L Zhang
TEX86 [TetraEther indeX of glycerol dialkyl glycerol tetraethers (GDGTs) with 86 carbon atoms] has been widely applied to reconstruct (paleo-) sea surface temperature. Marine Group I (MG-I) Thaumarchaeota were thought to be the primary source of GDGTs constituting the TEX86 formula; however, recent research has suggested that Marine Group II (MG-II) Euryarchaeota may also contribute significantly to the GDGT pool in the ocean. Little is known regarding the potential impact of MG-II Euryarchaeota-derived GDGTs on TEX86 values recorded in marine sediments...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29163349/kainic-acid-induced-post-status-epilepticus-models-of-temporal-lobe-epilepsy-with-diverging-seizure-phenotype-and-neuropathology
#17
Daniele Bertoglio, Halima Amhaoul, Annemie Van Eetveldt, Ruben Houbrechts, Sebastiaan Van De Vijver, Idrish Ali, Stefanie Dedeurwaerdere
The aim of epilepsy models is to investigate disease ontogenesis and therapeutic interventions in a consistent and prospective manner. The kainic acid-induced status epilepticus (KASE) rat model is a widely used, well-validated model for temporal lobe epilepsy (TLE). As we noted significant variability within the model between labs potentially related to the rat strain used, we aimed to describe two variants of this model with diverging seizure phenotype and neuropathology. In addition, we evaluated two different protocols to induce status epilepticus (SE)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29162815/organic-carbon-burial-in-global-lakes-and-reservoirs
#18
Raquel Mendonça, Roger A Müller, David Clow, Charles Verpoorter, Peter Raymond, Lars J Tranvik, Sebastian Sobek
Burial in sediments removes organic carbon (OC) from the short-term biosphere-atmosphere carbon (C) cycle, and therefore prevents greenhouse gas production in natural systems. Although OC burial in lakes and reservoirs is faster than in the ocean, the magnitude of inland water OC burial is not well constrained. Here we generate the first global-scale and regionally resolved estimate of modern OC burial in lakes and reservoirs, deriving from a comprehensive compilation of literature data. We coupled statistical models to inland water area inventories to estimate a yearly OC burial of 0...
November 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/29162695/parallel-epigenetic-modifications-induced-by-hatchery-rearing-in-a-pacific-salmon
#19
Jérémy Le Luyer, Martin Laporte, Terry D Beacham, Karia H Kaukinen, Ruth E Withler, Jong S Leong, Eric B Rondeau, Ben F Koop, Louis Bernatchez
Wild stocks of Pacific salmonids have experienced sharp declines in abundance over the past century. Consequently, billions of fish are released each year for enhancing abundance and sustaining fisheries. However, the beneficial role of this widely used management practice is highly debated since fitness decrease of hatchery-origin fish in the wild has been documented. Artificial selection in hatcheries has often been invoked as the most likely explanation for reduced fitness, and most studies to date have focused on finding signatures of hatchery-induced selection at the DNA level...
November 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29162144/schistosoma-mansoni-and-other-helminthes-infections-at-haike-primary-school-children-north-east-ethiopia-a-cross-sectional-study
#20
Daniel Getacher Feleke, Solomon Arega, Mulien Tekleweini, Kegnitu Kindie, Alemu Gedefie
OBJECTIVES: Schistosomiasis and soil-transmitted helminthes infections are among the widely distributed infections worldwide. In Ethiopia, parasitic helminthic infections and schistosomiasis are among the most predominant causes of outpatient morbidity. Hence there is still lack of epidemiological information in North-Eastern Ethiopia, this study aimed to determine the prevalence and associated factors of Schistosoma mansoni and other helminthes infections at Haike primary school children, Haike, North-East Ethiopia...
November 21, 2017: BMC Research Notes
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