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https://www.readbyqxmd.com/read/28721070/association-of-estrogen-receptor-%C3%AE-pvuii-and-xbai-polymorphisms-with-prostate-cancer-susceptibility-and-risk-stratification-a-meta-analysis-from-case-control-studies
#1
Yining Zhao, Xi Zheng, Lijie Zhang, Qiang Hu, Yitian Guo, Hua Jiang, Shennan Shi, Xiang Zhang
BACKGROUND: Studies on the association between two single nucleotide polymorphisms (SNPs) in estrogen receptor α (ERα), PvuII (rs2234693 T>C) and XbaI (rs9340799 A>G), and the prostate cancer risk are inconsistent. Therefore, we performed a meta-analysis to derive a more accurate estimation of this relationship. METHODS: A literature search of PubMed, Embase, Web of Science databases until October 1, 2016, was conducted. Crude odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to assess the strength of this association...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28720895/rapid-response-of-eastern-mediterranean-deep-sea-microbial-communities-to-oil
#2
Jiang Liu, Stephen M Techtmann, Hannah L Woo, Daliang Ning, Julian L Fortney, Terry C Hazen
Deep marine oil spills like the Deepwater Horizon (DWH) in the Gulf of Mexico have the potential to drastically impact marine systems. Crude oil contamination in marine systems remains a concern, especially for countries around the Mediterranean Sea with off shore oil production. The goal of this study was to investigate the response of indigenous microbial communities to crude oil in the deep Eastern Mediterranean Sea (E. Med.) water column and to minimize potential bias associated with storage and shifts in microbial community structure from sample storage...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28718397/the-vitamin-d-standardization-program-vdsp-manual-for-retrospective-laboratory-standardization-of-serum-25-hydroxyvitamin-d-data
#3
Ramon Durazo-Arvizu, Lu Tian, Stephen Brooks, Kurtis Sarafin, Kevin Cashman, Mairead Kiely, Joyce Merkel, Gary Myers, Paul Coates, Christopher Sempos
Low concentrations of total 25-hydroxyvitamin D [25(OH)D], the principal biological measure of vitamin D status, have been associated with clinical and public health outcomes. The determination of levels under which there is an increase in the risk of disease, as well as comparisons across populations, have been difficult to establish due the large assay variability in measuring 25(OH)D. Accordingly, the Vitamin D Standardization Program (VDSP) includes the retrospective standardization of existing 25(OH)D values collected by epidemiological and clinical studies, as well as clinical trials, as one of its main objectives...
July 18, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28706765/trauma-and-hypothermia-in-antarctica-an-emergency-medicine-marine-simulation-scenario
#4
Chrystal Horwood, Kerry-Lynn Williams, Tate Skinner, Robert Brown, Tia Renouf, Adam Dubrowski
Simulation has been shown to improve both learner knowledge and patient outcomes. Many emergency medicine training programs incorporate simulation into their curricula to provide learners with experiences that are rare to encounter in practice, yet performance with a high degree of competence is critical. One rare encounter, which is depicted in the report, is the management of a trauma patient who was hypothermic after falling from an expedition vessel into the cold Southern Ocean. The unique scenario presented in this technical report incorporates CanMEDS learning objectives including the communicator, health advocate, and collaborator roles...
June 12, 2017: Curēus
https://www.readbyqxmd.com/read/28703955/yield-of-acid-curd-cheese-produced-from-cow-s-milk-from-different-lactation-periods
#5
Ewa Salamończyk, Krzysztof Młynek, Piotr Guliński, Wiesława Zawadzka
BACKGROUND: Milk production intensification has led in many countries, including Poland, to increased milk yields per cow. A higher milk yield resulted in changes in cow productivity, including extended lactations. There is a paucity of information on the quality of milk harvested during the last months of lactations exceed- ing 10 months. Production capacity cheese (“cheese expenditure”) is an important parameter of providing   a recovery as much as the possible components of the milk processed are dry substances, which in turn af- fects the economics of production...
April 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28703291/the-recent-colonization-of-south-brazil-by-the-azores-chromis-chromis-limbata
#6
A B Anderson, E M Salas, L A Rocha, S R Floeter
The damselfish Chromis limbata is native to the Macaronesian Archipelagos (Azores, Madeira and Canaries) and the western coast of Africa between Senegal and Angola. During the austral summers of 2008 and 2009 the species was recorded for the first time in the south-western Atlantic Ocean around Campeche and Xavier Islands, in Florianópolis, Santa Catarina State, Brazil. Here, the progression of C. limbata in southern Brazilian waters is described using visual counts and genetic surveys and changes in the density of the native congener Chromis multilineata were also investigated...
July 13, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28699678/the-effect-of-furcation-involvement-on-tooth-loss-in-a-population-without-regular-periodontal-therapy
#7
Luigi Nibali, Anna Krajewski, Nikos Donos, Henry Völzke, Christiane Pink, Thomas Kocher, Birte Holtfreter
AIM: We aimed to assess the association between furcation involvement (FI) and tooth loss for subjects not undergoing regular periodontal treatment. MATERIALS AND METHODS: Data from 2333 subjects participating in the baseline and 11-year follow-up of the Study of Health in Pomerania (SHIP) were used. All subjects had half-mouth periodontal examinations, including FI in one upper and one lower molar, at baseline. A total of 1897 subjects and 3267 molars were included in the final analysis...
July 12, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28698579/industrial-water-resources-management-based-on-violation-risk-analysis-of-the-total-allowable-target-on-wastewater-discharge
#8
Wencong Yue, Yanpeng Cai, Linyu Xu, Zhifeng Yang, Xin'An Yin, Meirong Su
To improve the capabilities of conventional methodologies in facilitating industrial water allocation under uncertain conditions, an integrated approach was developed through the combination of operational research, uncertainty analysis, and violation risk analysis methods. The developed approach can (a) address complexities of industrial water resources management (IWRM) systems, (b) facilitate reflections of multiple uncertainties and risks of the system and incorporate them into a general optimization framework, and (c) manage robust actions for industrial productions in consideration of water supply capacity and wastewater discharging control...
July 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28695260/challenges-to-oil-spill-assessment-for-seabirds-in-the-deep-ocean
#9
J Christopher Haney, Patrick G R Jodice, William A Montevecchi, David C Evers
We synthesize impediments for evaluating effects to seabirds from open ocean hydrocarbon releases. Effects on seabirds from ship discharges, spills, and well blowouts often are poorly detected and monitored far from land. Regulatory regimes for ocean spills can result in monitoring efforts that are not entirely transparent. We illustrate how interdisciplinary technologies address deficits that hamper individual or population level assessments for seabirds, and we demonstrate where emerging technologies might be engaged to bridge gaps in oil spill monitoring...
July 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28693809/aliphatic-hydrocarbons-and-triterpane-biomarkers-in-mangrove-oyster-crassostrea-belcheri-from-the-west-coast-of-peninsular-malaysia
#10
Vahab Vaezzadeh, Mohamad Pauzi Zakaria, Chui Wei Bong
The Straits of Malacca is one of the world's busiest shipping routes where frequent oil spills occur. Rapid development in the west coast of Peninsular Malaysia is the other major source of petroleum pollution in this narrow waterway. In order to identify occurrence and origin of hydrocarbons in the Straits, mangrove oysters (Crassostrea belcheri) were collected from five sampling locations and analysed for n-alkanes and biomarkers. Soxhlet apparatus and two step column chromatography were used for extraction, purification and fractionation of the oysters...
July 7, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28693362/veterinary-utility-of-dried-blood-spots-for-analysis-of-toxic-chlorinated-hydrocarbons
#11
Andreas F Lehner, Margaret Johnson, John Buchweitz
Dried blood spots (DBS) on filter paper provide a simple and convenient means of collecting, storing and shipping samples for veterinary diagnostics related to toxin exposures. This paper presents validation data on analysis of DBS for chlorinated persistent organic pollutants, specifically 4,4'-DDT and its breakdown product 4,4'-DDE, lindane and a representative polychlorinated biphenyl (PCB) congener PCB-153. Analysis was by gas chromatography with electron capture detection (GC-ECD). The method required one 12...
July 11, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28692699/multiple-quay-cranes-scheduling-for-double-cycling-in-container-terminals
#12
Yanling Chu, Xiaoju Zhang, Zhongzhen Yang
Double cycling is an efficient tool to increase the efficiency of quay crane (QC) in container terminals. In this paper, an optimization model for double cycling is developed to optimize the operation sequence of multiple QCs. The objective is to minimize the makespan of the ship handling operation considering the ship balance constraint. To solve the model, an algorithm based on Lagrangian relaxation is designed. Finally, we compare the efficiency of the Lagrangian relaxation based heuristic with the branch-and-bound method and a genetic algorithm using instances of different sizes...
2017: PloS One
https://www.readbyqxmd.com/read/28688306/investigating-the-contribution-of-shipping-emissions-to-atmospheric-pm2-5-using-a-combined-source-apportionment-approach
#13
Jianlei Lang, Ying Zhou, Dongsheng Chen, Xiaofan Xing, Lin Wei, Xiaotong Wang, Na Zhao, Yanyun Zhang, Xiurui Guo, Lihui Han, Shuiyuan Cheng
Many studies have been conducted focusing on the contribution of land emission sources to PM2.5 in China; however, little attention had been paid to other contributions, especially the secondary contributions from shipping emissions to atmospheric PM2.5. In this study, a combined source apportionment approach, including principle component analysis (PCA) and WRF-CMAQ simulation, was applied to identify both primary and secondary contributions from ships to atmospheric PM2.5. An intensive PM2.5 observation was conducted from April 2014 to January 2015 in Qinhuangdao, which was close to the largest energy output port of China...
July 5, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28687429/ecological-effects-of-scrubber-water-discharge-on-coastal-plankton-potential-synergistic-effects-of-contaminants-reduce-survival-and-feeding-of-the-copepod-acartia-tonsa
#14
Marja Koski, Colin Stedmon, Stefan Trapp
To meet the oncoming requirements for lower sulphur emissions, shipping companies can install scrubbers where the exhaust is sprayed with seawater and subsequently discharged to the sea. The discharge water has a pH around 3 and contains elevated concentrations of vanadium, nickel, lead and hydrocarbons. We investigated 1) the threshold concentrations of scrubber discharge water for survival, feeding and reproduction of the copepod Acartia tonsa, 2) whether the effects depend on the exposure route and 3) whether exposure to discharge water can be detected in field-collected organisms...
June 15, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28682050/dual-emitting-dye-mof-composite-as-a-self-calibrating-sensor-for-2-4-6-trinitrophenol
#15
Di-Ming Chen, Nan-Nan Zhang, Chun-Sen Liu, Miao Du
An anionic metal-organic framework (MOF) {(NH2Me2)[Zn3(μ3-OH)(tpt)(TZB)3](DMF)12}n (1, tpt = 2,4,6-tri(4-pyridyl)-1,3,5-triazine, H2TZB = 4-(1H-tetrazol-5-yl)benzoic acid and DMF = N,N-dimethylformamide), with both nanosized cages and partitions, has been solvothermally synthesized, which can serve as a crystalline vessel to encapsulate the fluorescent dye rhodamine 6G (Rh6G) via a "bottle around ship" approach. As a result, the obtained dye@MOF composite system features a blue emission of the ligand at 373 nm and a red emission of Rh6G at 570 nm when dispersed in solution, which could be used for decoding the trace amount of 2,4,6-trinitrophenol (TNP) by referring the peak-height ratio of each emission, even in coexistence with other potentially competitive nitroaromatic analytes...
July 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28681548/how-do-we-reduce-plasma-transfusion-in-rhode-island
#16
Christian P Nixon, Maria F Tavares, Joseph D Sweeney
BACKGROUND: Plasma transfusions are given to patients with coagulopathy, either prophylactically, before an invasive procedure; or therapeutically, in the presence of active bleeding; and as an exchange fluid in therapeutic plasma exchange for disorders such as thrombotic thrombocytopenic purpura. There is consensus that many prophylactic plasma transfusions are non-efficacious, and the misdiagnosis of thrombotic thrombocytopenic purpura results in unnecessary therapeutic plasma exchange...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28678798/use-of-navigation-channels-by-lake-sturgeon-does-channelization-increase-vulnerability-of-fish-to-ship-strikes
#17
Darryl W Hondorp, David H Bennion, Edward F Roseman, Christopher M Holbrook, James C Boase, Justin A Chiotti, Michael V Thomas, Todd C Wills, Richard G Drouin, Steven T Kessel, Charles C Krueger
Channelization for navigation and flood control has altered the hydrology and bathymetry of many large rivers with unknown consequences for fish species that undergo riverine migrations. In this study, we investigated whether altered flow distributions and bathymetry associated with channelization attracted migrating Lake Sturgeon (Acipenser fulvescens) into commercial navigation channels, potentially increasing their exposure to ship strikes. To address this question, we quantified and compared Lake Sturgeon selection for navigation channels vs...
2017: PloS One
https://www.readbyqxmd.com/read/28678197/fast-vessel-detection-in-gaofen-3-sar-images-with-ultrafine-strip-map-mode
#18
Zongxu Pan, Lei Liu, Xiaolan Qiu, Bin Lei
This study aims to detect vessels with lengths ranging from about 70 to 300 m, in Gaofen-3 (GF-3) SAR images with ultrafine strip-map (UFS) mode as fast as possible. Based on the analysis of the characteristics of vessels in GF-3 SAR imagery, an effective vessel detection method is proposed in this paper. Firstly, the iterative constant false alarm rate (CFAR) method is employed to detect the potential ship pixels. Secondly, the mean-shift operation is applied on each potential ship pixel to identify the candidate target region...
July 5, 2017: Sensors
https://www.readbyqxmd.com/read/28675937/d-176-sextants-numbers-and-the-hydrographic-office-of-the-admiralty
#19
Megan Barford
In the 1830s and 1840s, the Hydrographic Office of the British Admiralty developed and oversaw one of the major state-run surveying projects of the nineteenth century. This involved a range of instruments whose circulation was increasingly regulated. Using extant museum collections and the correspondence of those involved, this article explores how such objects can be used to discuss both bureaucratic organization at a time of expanding government and the complex issues of sociability involved in hydrographic surveying...
June 1, 2017: History of Science; An Annual Review of Literature, Research and Teaching
https://www.readbyqxmd.com/read/28674420/improved-risk-stratification-in-prevention-by-use-of-a-panel-of-selected-circulating-micrornas
#20
Till Keller, Jes-Niels Boeckel, Stefan Groß, Jens Klotsche, Lars Palapies, David Leistner, Lars Pieper, Günnter K Stalla, Hendrik Lehnert, Sigmund Silber, David Pittrow, Winfried Maerz, Marcus Dörr, Hans-Ulrich Wittchen, Sebastian E Baumeister, Uwe Völker, Stephan B Felix, Stefanie Dimmeler, Andreas M Zeiher
Risk stratification is crucial in prevention. Circulating microRNAs have been proposed as biomarkers in cardiovascular disease. Here a miR panel consisting of miRs related to different cardiovascular pathophysiologies, was evaluated to predict outcome in the context of prevention. MiR-34a, miR-223, miR-378, miR-499 and miR-133 were determined from peripheral blood by qPCR and combined to a risk panel. As derivation cohort, 178 individuals of the DETECT study, and as validation cohort, 129 individuals of the SHIP study were used in a case-control approach...
July 3, 2017: Scientific Reports
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