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https://www.readbyqxmd.com/read/28055247/-staging-of-breast-cancer-and-the-advanced-applications-of-digital-mammogram-what-the-physician-needs-to-know
#1
Maha Hussien Helal, Sahar Mahmoud Mansour, Mai Zaglol, Lamia Adel Salaleldin, Omniya Mokhtar Nada, Marwa Anas Haggag
OBJECTIVE: To study the role of advanced applications of digital mammogram whether contrast enhanced spectral mammography (CESM) or digital breast tomosynthesis (DBT) in the "T" staging of histologically proven breast cancer prior management planning. METHODS: This prospective analysis, we evaluated 98 proved malignant breast masses regarding their size, multiplicity and presence of associated clusters of microcalcifications. Evaluation methods included digital mammography, 3-D tomosynthesis and contrast enhanced spectral mammography...
January 5, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28054590/the-combined-effects-of-sediment-accretion-burial-and-nutrient-enrichment-on-the-growth-and-propagation-of-phalaris-arundinacea
#2
Xinsheng Chen, Yulin Liao, Yonghong Xie, Chao Wu, Feng Li, Zhengmiao Deng, Xu Li
Sediment accretion (burial) and nutrient enrichment occur concurrently in lacustrine wetlands, but the role of these two aspects of sedimentation on macrophyte performance has rarely been examined. Here, we investigated the concurrent effects of sediment accretion and nutrient enrichment on the growth and propagation of Phalaris arundinacea L. using a factorial sediment burial by nutrient addition experimental design. Regardless of burial depth, nutrient addition increased biomass accumulation, shoot mass ratio, the number of rhizomes, and the length of ramets and rhizomes...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28013275/structures-of-bordered-pits-potentially-contributing-to-isolation-of-a-refilled-vessel-from-negative-xylem-pressure-in-stems-of-morus-australis-poir-testing-of-the-pit-membrane-osmosis-and-pit-valve-hypotheses
#3
Hiroki Ooeda, Ichiro Terashima, Haruhiko Taneda
Two hypotheses have been proposed to explain the mechanism preventing the refilling vessel water from being drained to the neighboring functional vessels under negative pressure. The pit-membrane-osmosis hypothesis proposes that the xylem parenchyma cells release polysaccharides that are impermeable to the intervessel pit membranes into the refilling vessel; this osmotically counter-acts the negative pressure, thereby allowing the vessel to refill. The pit-valve hypothesis proposes that gas trapped within intervessel bordered pits isolates the refilling vessel water from the surrounding functional vessels...
December 23, 2016: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28012661/off-site-transport-of-nitrogen-fertilizer-with-runoff-from-golf-course-fairway-turf-a-comparison-of-creeping-bentgrass-with-a-fine-fescue-mixture
#4
Pamela J Rice, Brian P Horgan
Maintaining quality golf course turf often requires irrigation and application of fertilizer. The transport of excess nutrients with runoff water from highly managed and fertilized biological systems to surrounding surface waters has been shown to result in enhanced algal blooms and promotion of eutrophication. Environmental stewardship includes looking for new approaches to reduce adverse environmental impacts of current practices. One strategy is to replace traditional turfgrass with low-maintenance turfgrass species...
December 21, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/28008648/evaluating-the-effects-of-triclosan-on-three-field-crops-grown-in-four-formulations-of-biosolids
#5
René S Shahmohamadloo, Linda Lissemore, Ryan S Prosser, Paul K Sibley
A growing body of evidence suggests that amending soil with biosolids can be an integral component of sustainable agriculture. Despite strong evidence supporting its beneficial use in agriculture, there are concerns that chemicals, such as pharmaceuticals and personal care products (PPCPs), could present a risk to terrestrial ecosystems and human health. Triclosan (TCS) is one of the most commonly detected compounds in biosolids. To date, laboratory studies indicate that TCS likely poses a de minimis risk to field crops; however, these studies were either conducted under unrealistic exposure conditions or only assessed one or two formulations of biosolids...
December 23, 2016: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/27993225/name-no-names-the-role-of-the-media-in-reporting-mass-shootings
#6
EDITORIAL
Shawn Singh Sidhu
No abstract text is available yet for this article.
January 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/27988881/rapid-analysis-of-drugs-of-abuse-and-their-metabolites-in-human-urine-using-dilute-and-shoot-liquid-chromatography-tandem-mass-spectrometry
#7
Tae Yeon Kong, Ju Hyun Kim, Jin Young Kim, Moon Kyo In, Kyung Ho Choi, Hee Seung Kim, Hye Suk Lee
Liquid chromatography-tandem mass spectrometric method for analysis of 113 abuse drugs and their metabolites in human urine was developed and validated. A simple sample clean-up procedure using the "dilute and shoot" approach, followed by reversed phase separation, provided a fast and reliable method for routine analysis. Drugs were separated in a Capcell Pak MG-III C18 column using a gradient elution of 1 mM ammonium formate with 0.1% formic acid in water and acetonitrile. The total time for analysis was 32 min...
December 17, 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/27979172/monoterpenoids-from-the-traditional-north-italian-vegetable-aruncus-dioicus-walter-fernald-var-vulgaris-maxim-h-hara-rosaceae
#8
Sebastian Granica, Pietro Fusani, Iwona Stanisławska, Jakub P Piwowarski, Dominique Melck, Andrea Motta, Christian Zidorn
Investigations of young shoots of Aruncus dioicus (Walter) Fernald var. vulgaris (Maxim.) H.Hara (Rosaceae), collected from the wild and used as vegetables in alpine provinces of Italy, yielded eight monoterpenoids. Besides known compounds, aruncin A, aruncide A, and cimicifugolide, five previously undescribed substances, aruncins C, D, and E, and aruncides D and E, were identified. Based on results from the full synthesis of aruncin B, structures of aruncin A and aruncide A were revised. Structures were established by HR mass spectrometry and extensive 1D and 2D NMR spectroscopy and based on data from synthetic aruncin B...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27974652/nighttime-stomatal-conductance-differs-with-nutrient-availability-in-two-temperate-floodplain-tree-species
#9
Franziska Eller, Kai Jensen, Christoph Reisdorff
Nighttime water flow varies between plant species and is a phenomenon for which the magnitude, purpose and consequences are widely discussed. A potential benefit of nighttime stomata opening may be increased nutrient availability during the night since transpiration affects the mass flow of soil water towards plant roots. We investigated how nitrogen (N) and phosphorus (P) fertilization, and short-term drought affected stomatal conductance of Fraxinus excelsior L. and Ulmus laevis Pallas during the day (gs) and night (gn), and how these factors affected growth for a period of 18 weeks...
December 14, 2016: Tree Physiology
https://www.readbyqxmd.com/read/27960115/interactive-effects-of-temperature-and-uvb-radiation-on-methane-emissions-from-different-organs-of-pea-plants-grown-in-hydroponic-system
#10
Awatif M Abdulmajeed, Samantha R Derby, Samantha K Strickland, Mirwais M Qaderi
There is no information on variation of methane (CH4) emissions from plant organs exposed to multiple environmental factors. We investigated the interactive effects of temperature and ultraviolet-B (UVB) radiation on CH4 emissions from different organs of pea (Pisum sativum L. var. UT234 Lincoln). Plants were grown hydroponically under two temperatures (22/18°C and 28/24°C; 16h day/8h night) and two levels of UVB radiation [0 and 5kJm(-2) d(-1)] in controlled-environment growth chambers for ten days, after two weeks of initial growth under ambient temperatures...
January 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/27957642/radiology-response-in-the-emergency-department-during-a-mass-casualty-incident-a-retrospective-study-of-the-two-terrorist-attacks-on-22-july-2011-in-norway
#11
Victoria Solveig Young, Heidi B Eggesbø, Christine Gaarder, Pål Aksel Næss, Tone Enden
OBJECTIVES: To describe the use of radiology in the emergency department (ED) in a trauma centre during a mass casualty incident, using a minimum acceptable care (MAC) strategy in which CT was restricted to potentially severe head injuries. METHODS: We retrospectively studied the initial use of imaging on patients triaged to the trauma centre following the twin terrorist attacks in Norway on 22 July 2011. RESULTS: Nine patients from the explosion and 15 from the shooting were included...
December 12, 2016: European Radiology
https://www.readbyqxmd.com/read/27942006/ground-squirrel-shooting-and-potential-lead-exposure-in-breeding-avian-scavengers
#12
Garth Herring, Collin A Eagles-Smith, Mason T Wagner
Recreational ground squirrel shooting is a popular activity throughout the western United States and serves as a tool for managing ground squirrel populations in agricultural regions. Belding's ground squirrels (Spermophilus beldingi) are routinely shot in California, Nevada, and Oregon across habitats that overlap with breeding avian scavengers. Ground squirrels shot with lead (Pb)-based bullets may pose a risk to avian scavengers if they consume carcasses containing Pb fragments. To assess the potential risk to breeding avian scavengers we developed a model to estimate the number, mass, and distribution of Pb fragments in shot ground squirrels using radiographic images...
2016: PloS One
https://www.readbyqxmd.com/read/27933008/healthcare-needs-experiences-and-satisfaction-after-terrorism-a-longitudinal-study-of-survivors-from-the-ut%C3%A3-ya-attack
#13
Lise E Stene, Tore Wentzel-Larsen, Grete Dyb
Background: Public health outreach programs have been developed in order to ensure that needs are met after disasters. However, little is known about survivors' experiences with post-terror healthcare. In the present study, our objectives were to (1) describe survivors' experiences with post-terror healthcare, (2) identify factors associated with reports of unmet healthcare needs, and (3) examine the relationship between socio-demographic characteristics, healthcare experiences and satisfaction. Methods: Our study comprised three waves of semi-structured interviews with 261/490 (53%) survivors of the Utøya mass shooting...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27929310/network-analysis-of-ptsd-symptoms-following-mass-violence
#14
Connor P Sullivan, Andrew J Smith, Michael Lewis, Russell T Jones
OBJECTIVE: Network analysis is a useful tool for understanding how symptoms interact with one another to influence psychopathology. However, this analytic strategy has not been fully utilized in the PTSD field. The current study utilized network analysis to examine connectedness and strength among PTSD symptoms (employing both partial correlation and regression network analyses) among a community sample of students exposed to the 2007 Virginia Tech shootings. METHOD: Respondents (N = 4,639) completed online surveys 3-4 months postshootings, with PTSD symptom severity measured via the Trauma Symptom Questionnaire...
December 8, 2016: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/27927690/impact-of-gun-law-reforms-on-rates-of-homicide-suicide-and-mass-shootings-in-australia
#15
Penelope Brown
No abstract text is available yet for this article.
December 7, 2016: Evidence-based Mental Health
https://www.readbyqxmd.com/read/27918180/tweeting-negative-emotion-an-investigation-of-twitter-data-in-the-aftermath-of-violence-on-college-campuses
#16
Nickolas M Jones, Sean P Wojcik, Josiah Sweeting, Roxane Cohen Silver
Studying communities impacted by traumatic events is often costly, requires swift action to enter the field when disaster strikes, and may be invasive for some traumatized respondents. Typically, individuals are studied after the traumatic event with no baseline data against which to compare their postdisaster responses. Given these challenges, we used longitudinal Twitter data across 3 case studies to examine the impact of violence near or on college campuses in the communities of Isla Vista, CA, Flagstaff, AZ, and Roseburg, OR, compared with control communities, between 2014 and 2015...
December 2016: Psychological Methods
https://www.readbyqxmd.com/read/27917180/role-of-the-gacs-sensor-kinase-in-the-regulation-of-volatile-production-by-plant-growth-promoting-pseudomonas-fluorescens-sbw25
#17
Xu Cheng, Viviane Cordovez, Desalegn W Etalo, Menno van der Voort, Jos M Raaijmakers
In plant-associated Pseudomonas species, the production of several secondary metabolites and exoenzymes is regulated by the GacS/GacA two-component regulatory system (the Gac-system). Here, we investigated if a mutation in the GacS sensor kinase affects the production of volatile organic compounds (VOCs) in P. fluorescens SBW25 (Pf.SBW25) and how this impacts on VOCs-mediated growth promotion and induced systemic resistance of Arabidopsis and tobacco. A total of 205 VOCs were detected by Gas Chromatography Mass Spectrometry for Pf...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27915144/antioxidant-enzyme-and-osmotic-adjustment-changes-in-bean-seedlings-as-affected-by-biochar-under-salt-stress
#18
Salar Farhangi-Abriz, Shahram Torabian
Salinity damaged cellular membranes through overproduction of reactive oxygen species (ROS), while osmolytes and antioxidant capacities play a vital role in protecting plants from salinity caused oxidative damages. Biochar also could alleviate the negative impacts of salt stress in crops. The pot experiment was conducted to investigate the effects of biochar on some antioxidant enzyme activities and osmolyte adjustments of common bean (Phaseolus vulgaris L. cv. Derakhshan) under salinity stress. Bean plants were subjected to three salinity levels (non-saline, 6 and 12 dSm(-1) of NaCl) and biochar treatments (non-biochar, 10% and 20% total pot mass)...
March 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27911010/screening-of-mercury-resistant-and-indole-3-acetic-acid-producing-bacterial-consortium-for-growth-promotion-of-cicer-arietinum-l
#19
Aatif Amin, Zakia Latif
Mercury resistant (Hg(R) ) bacteria were screened from industrial effluents and effluents-polluted rhizosphere soils near to districts Kasur and Sheikhupura, Pakistan. Out of 60 isolates, three bacterial strains, Bacillus sp. AZ-1, Bacillus cereus AZ-2, and Enterobacter cloacae AZ-3 showed Hg-resistance as 20 μg ml(-1) of HgCl2 and indole-3-acetic acid (IAA) production as 8-38 μg ml(-1) . Biochemical and molecular characterization of selected bacteria was confirmed by 16S ribotyping. Mercury resistant genes merA, merB, and merE of mer operon in Bacillus spp...
December 2, 2016: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/27907234/shooting-alone-the-pre-attack-experiences-and-behaviors-of-u-s-solo-mass-murderers
#20
Paul Gill, James Silver, John Horgan, Emily Corner
This paper outlines the sociodemographic, developmental, antecedent attack, attack preparation, and commission properties of 115 mass murderers between 1990 and 2014. The results indicate that mass murderer attacks are usually the culmination of a complex mix of personal, political, and social drivers that crystalize at the same time to drive the individual down the path of violent action. We specifically focus upon areas related to prior criminal engagement, leakage, and attack location familiarity. Whether the violence comes to fruition is usually a combination of the availability and vulnerability of suitable targets that suit the heady mix of personal and political grievances and the individual's capability to engage in an attack from both a psychological and technical capability standpoint...
December 1, 2016: Journal of Forensic Sciences
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