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https://www.readbyqxmd.com/read/29776132/universality-and-correlations-in-individuals-wandering-through-an-online-extremist-space
#1
Z Cao, M Zheng, Y Vorobyeva, C Song, N F Johnson
The "out of the blue" nature of recent terror attacks and the diversity of apparent motives highlight the importance of understanding the online trajectories that individuals follow prior to developing high levels of extremist support. Here we show that the physics of stochastic walks, with and without temporal correlation, provides a unifying description of these online trajectories. Our unique data set comprising all users of a global social media site reveals universal characteristics in individuals' online lifetimes...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29771050/-fibrous-hemangioma-of-esophagus-portal-a-case-report
#2
Y P Wang, L X Li
A 33 year old male patient has found in the oral cavity tumor with nausea and vomiting after 20 days ago. The patients feel pharyngeal foreign body sensation, occasional sense of suffocation, the oropharyngeal tumor disappeared and foreign body sensation disappeared after swallowing. The patients without angina, no hemoptysis, no hoarseness, no acid reflux symptoms and weight loss phenomenon. The gastroscope showed giant tumor, esophagus smooth surface, visible local gray blue blood vessels, from the entrance of esophagus has been extended to the esophagus from the upper incisors 25 cm...
May 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29768248/bisphenol-a-decreases-the-spontaneous-contractions-of-rat-uterus-in-vitro-through-a-nitrergic-mechanism
#3
Hemlata Gupta, Shripad B Deshpande
BACKGROUND: Bisphenol A (BPA), a chemical used in the manufacture of plastics, has toxic effects on various systems of the human body including the reproductive system. BPA possesses estrogenic activity and is implicated in altering oogenesis, ovulation, and fertility. In addition to ovulatory changes, uterine contractility is an important factor for fertility. However, the effects of BPA on myometrial contractions are not known. Therefore, we examined the effect of BPA on rat uterine contractions...
May 16, 2018: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29765950/early-neuroblastic-and-astrocytic-differentiation-demonstrated-immunohistochemically-in-a-small-intraocular-medulloepithelioma
#4
Frederick A Jakobiec, Fouad R Zakka, Thanos Papakostas, Shizuo Mukai
Purpose: To investigate the source of fibrous astrocytes and neuroblasts in a small ciliary body medulloepithelioma appearing as a leukocoria in a 3-week-old baby girl. Methods: Histopathologic and immunohistochemical studies included Alcian blue, periodic acid-Schiff, and antisera for the detection of S100 protein, CD99, glial fibrillary acidic protein (GFAP), CRX, NeuN, neurofilaments, synaptophysin, desmin, and myogenin. Results: A small, nonteratoid ciliary body medulloepithelioma with collections of Alcian blue+ mucoplysaccharides was present in the enucleated globe...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29756323/primary-mediastinal-histiocytic-sarcoma-presenting-as-pleural-effusion
#5
Jie-Yang Jhuang, Wei-Yu Chen, Shih-Sung Chuang
Histiocytic sarcoma (HS) is a rare malignant neoplasm showing morphological and immunophenotypic features of mature tissue histiocytes. As HS may mimic non-Hodgkin lymphoma (NHL) pathologically, before the era of immunohistochemistry, many previously reported cases were misdiagnosed NHL. Up to date, there are only a few reports delineating the cytological features in fine-needle aspiration or bronchoalveolar lavage, but not in the effusion fluid yet. Herein, we report the case of a 61-year-old male with a mediastinal tumor presenting with malignant pleural effusion...
May 13, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29734581/water-use-intensity-of-canadian-beef-production-in-1981-as-compared-to-2011
#6
Getahun Legesse, Marcos R C Cordeiro, Kim H Ominski, Karen A Beauchemin, Roland Kroebel, Emma J McGeough, Sarah Pogue, Tim A McAllister
The amount of beef produced per animal in Canada increased significantly from 1981 to 2011, due to enhanced production efficiency and increased carcass weight. This study examined the impact of improvements in production efficiency on water use intensity over this period. Temporal and regional differences in cattle categories, water use for drinking, feed production and meat processing, feeding systems, average daily gains, and carcass weight were considered in the analysis. Potential evapotranspiration (PET) was estimated by the National Drought Model (NDM) from 679 weather stations across Canada using the Priestley and Taylor equation...
April 1, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29734430/development-of-a-pvs2-droplet-vitrification-cryopreservation-technique-for-aranda-broga-blue-orchid-protocorm-like-bodies-plbs
#7
K S Ping, R R Poobathy, R Zakaria, S Subramaniam
  BACKGROUND: Conservation of commercially important ornamental plants is important to maintain its unique beauty to cater the market demands. OBJECTIVE: The main objective is to develop an efficient cryopreservation technique for Aranda Broga Blue orchid PLBs using droplet-vitrification method. MATERIALS AND METHODS: Several critical factors in cryopreservation were accessed such as preculture concentrations and durations, choice of vitrification solutions, two-step or three-step vitrification, growth recovery medium and PVS2 exposure duration...
July 2017: Cryo Letters
https://www.readbyqxmd.com/read/29713891/comparison-of-light-propagation-in-dental-tissues-and-nano-filled-resin-based-composite
#8
Hanan Elgendy, Rodrigo Rocha Maia, Fredrick Skiff, Gerald Denehy, Fang Qian
OBJECTIVE: This study used three LASERs (red, green, and blue) with a spectrophotometer to compare the light propagation for the following: absorption (A), transmittance (T), attenuation (K), and scattering anisotropy coefficient (g) in dental tissues and nano-filled resin-based composites. This study used three distinct incremental build-up techniques, which included one shade (body), two shades (enamel and dentin), and three shades (enamel, transparent, and dentin). METHODS: Twenty human, un-erupted, recently extracted third molars (shade B1) were used to obtain 40 tooth slabs...
April 30, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29710813/decellularized-diaphragmatic-muscle-drives-a-constructive-angiogenic-response-in-vivo
#9
Mario Enrique Alvarèz Fallas, Martina Piccoli, Chiara Franzin, Alberto Sgrò, Arben Dedja, Luca Urbani, Enrica Bertin, Caterina Trevisan, Piergiorgio Gamba, Alan J Burns, Paolo De Coppi, Michela Pozzobon
Skeletal muscle tissue engineering (TE) aims to efficiently repair large congenital and acquired defects. Biological acellular scaffolds are considered a good tool for TE, as decellularization allows structural preservation of tissue extracellular matrix (ECM) and conservation of its unique cytokine reservoir and the ability to support angiogenesis, cell viability, and proliferation. This represents a major advantage compared to synthetic scaffolds, which can acquire these features only after modification and show limited biocompatibility...
April 28, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29706937/aerobic-growth-of-rhodococcus-aetherivorans-bcp1-using-selected-naphthenic-acids-as-the-sole-carbon-and-energy-sources
#10
Alessandro Presentato, Martina Cappelletti, Anna Sansone, Carla Ferreri, Elena Piacenza, Marc A Demeter, Silvia Crognale, Maurizio Petruccioli, Giorgio Milazzo, Stefano Fedi, Alexander Steinbüchel, Raymond J Turner, Davide Zannoni
Naphthenic acids (NAs) are an important group of toxic organic compounds naturally occurring in hydrocarbon deposits. This work shows that Rhodococcus aetherivorans BCP1 cells not only utilize a mixture of eight different NAs (8XNAs) for growth but they are also capable of marked degradation of two model NAs, cyclohexanecarboxylic acid (CHCA) and cyclopentanecarboxylic acid (CPCA) when supplied at concentrations from 50 to 500 mgL-1 . The growth curves of BCP1 on 8XNAs, CHCA, and CPCA showed an initial lag phase not present in growth on glucose, which presumably was related to the toxic effects of NAs on the cell membrane permeability...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29706366/retention-and-distribution-of-methylmercury-administered-in-the-food-in-marine-invertebrates-effect-of-dietary-selenium
#11
Poul Bjerregaard, Tanja St John, Narges Amrollahi Biuki, Maya Petrova Biserova, Alan Christensen, Knud Ladegaard Pedersen
Methylmercury is transported along aquatic food chains from the lower trophic levels and selenium modulates the biokinetics of mercury in organisms in complex ways. We investigated the retention of orally administered methylmercury in various marine invertebrates and the effect of selenium hereon. Shrimps (Palaemon adpersus and P. elegans), blue mussels (Mytilus edulis), shore crabs (Carcinus maenas) and sea stars (Asterias rubens) eliminated methylmercury slowly (t½  = ½ to >1 year) and the copepod (Acartia tonsa) faster (t½  ∼ 12-24 h)...
April 20, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29690095/review-of-the-genus-engyprosopon-g%C3%A3-nther-1862-pleuronectiformes-bothidae-from-waters-off-taiwan-with-descriptions-of-two-new-species
#12
Kunio Amaoka, Hsuan-Ching Ho
Species of the bothid genus Engyprosopon Günther, 1862 from the waters off Taiwan are reviewed. Nine species are recognized and described. Of the nine species, E. grandisquama (Temminck Schlegel, 1846), E. multisquama Amaoka, 1963 and E. maldivense (Regan, 1908) previously known from Taiwan are confirmed, whereas E. xystrias Hubbs, 1915, E. mogkii (Bleeker, 1854), E. longipelvis Amaoka, 1969 and E. mozambiquense Hensley, 2003 represent new records for Taiwan. Moreover, two further species are described new to science...
April 23, 2018: Zootaxa
https://www.readbyqxmd.com/read/29686547/comparison-of-a-standardized-negative-pressure-wound-therapy-protocol-after-midline-celiotomy-to-primary-skin-closure-and-traditional-open-wound-vacuum-assisted-closure-management
#13
Justin L Regner, Matthew J Forestiere, Yolanda Munoz-Maldonado, Richard Frazee, Travis S Isbell, Claire L Isbell, Randall W Smith, Stephen W Abernathy
A negative pressure wound therapy (NPWT) protocol using Hydrofera Blue® bacteriostatic foam wicks and silver-impregnated foam overlay to close midline skin incisions after emergency celiotomy was compared to primary skin closure only and traditional open wound vacuum-assisted closure management as part of a quality improvement initiative. This single-institution retrospective cohort study assessed all consecutive emergency celiotomies from July 2013 to June 2014 excluding clean wounds. Included variables were demographics, wound classification, NPWT days, and surgical site occurrences (SSOs)...
January 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29683110/a-new-species-of-the-genus-theloderma-tschudi-1838-amphibia-anura-rhacophoridae-from-tay-nguyen-plateau-central-vietnam
#14
Nikolay A Poyarkov, Ivan I Kropachev, Svetlana S Gogoleva, Nikolai L Orlov
A new species of small tree frog from a primary montane tropical forest of central Vietnam, Tay Nguyen Plateau, is described based on morphological, molecular, and acoustic evidence. The Golden Bug-Eyed Frog, Theloderma auratum sp. nov., is distinguishable from its congeners and other small rhacophorid species based on a combination of the following morphological attributes: (1) bony ridges on head absent; (2) smooth skin completely lacking calcified warts or asperities; (3) pointed elongated tapering snout; (4) vocal opening in males absent; (5) vomerine teeth absent; (6) males of small body size (SVL 21...
April 20, 2018: Zoological Research
https://www.readbyqxmd.com/read/29675577/dna-in-squid-synaptosomes
#15
Carolina Cefaliello, Marina Prisco, Marianna Crispino, Antonio Giuditta
The synthesis of brain metabolic DNA (BMD) is modulated by learning and circadian oscillations and is not involved in cell division or DNA repair. Data from rats have highlighted its prevalent association with the mitochondrial fraction and its lack of identity with mtDNA. These features suggested that BMD could be localized in synaptosomes that are the major contaminants of brain mitochondrial fractions. The hypothesis has been examined by immunochemical analyses of the large synaptosomes of squid optic lobes that are readily prepared and identified...
April 19, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29674882/-oculogryphus-chenghoiyanae-sp-n-coleoptera-lampyridae-a-new-ototretine-firefly-from-hong-kong-with-descriptions-of-its-bioluminescent-behavior-and-ultraviolet-induced-fluorescence-in-females
#16
Vor Yiu, Ming-Luen Jeng
The first Oculogryphus species with associated males and female was found in Hong Kong and is described as new: O. chenghoiyanae sp. n. Adults of both sexes were collected live in the field and their bioluminescent behavior is reported for the first time in the genus. The captive males emit weak and continuous light from a pair of light spots on abdominal ventrite 6 or do so when disturbed. The larviform (highly paedomorphic) females can glow brightly from a pair of light-emitting organs on the abdomen. The females of Oculogryphus and Stenocladius are to date the only documented representatives of paedomorphism in ototretine fireflies...
2018: ZooKeys
https://www.readbyqxmd.com/read/29667373/heritability-estimates-from-genome-wide-relatedness-matrices-in-wild-populations-application-to-a-passerine-using-a-small-sample-size
#17
C Perrier, B Delahaie, A Charmantier
Genomic developments have empowered the investigation of heritability in wild populations directly from genome wide relatedness matrices (GRM). Such GRM based approaches can in particular be used to improve or substitute approaches based on social pedigree (PED-social). However, measuring heritability from GRM in the wild has not been widely applied yet, especially using small samples and in non-model species. Here, we estimated heritability for four quantitative traits (tarsus length, wing length, bill length and body mass), using PED-social, a pedigree corrected by genetic data (PED-corrected) and a GRM from a small sample (n = 494) of blue tits from natural populations in Corsica genotyped at nearly 50,000 filtered SNPs derived from RAD-seq...
April 17, 2018: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29666930/role-of-side-slip-flight-in-target-pursuit-blue-tailed-damselflies-ischnura-elegans-avoid-body-rotation-while-approaching-a-moving-perch
#18
Ziv Kassner, Gal Ribak
Visually guided flight control requires processing changes in the visual panorama (optic-flow) resulting from self-movement relative to stationary objects, as well as from moving objects passing through the field of view. We studied the ability of the blue-tailed damselfly, Ischnura elegans, to successfully land on a perch moving unpredictably. We tracked the insects landing on a vertical pole moved linearly 6 cm back and forth with sinusoidal changes in velocity. When the moving perch changed direction at frequencies higher than 1 Hz, the damselflies engaged in manoeuvres that typically involved sideways flight, with minimal changes in body orientation relative to the stationary environment...
April 17, 2018: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/29666663/scenario-screen-a-dynamic-and-context-dependent-p300-stimulator-screen-aimed-at-wheelchair-navigation-control
#19
Omar Piña-Ramirez, Raquel Valdes-Cristerna, Oscar Yanez-Suarez
P300 spellers have been widely modified to implement nonspelling tasks. In this work, we propose a "scenario" stimulation screen that is a P300 speller variation to command a wheelchair. Our approach utilized a stimulation screen with an image background (scenario snapshot for a wheelchair) and stimulation markers arranged asymmetrically over relevant landmarks, such as suitable paths, doors, windows, and wall signs. Other scenario stimulation screen features were green/blue stimulation marker color scheme, variable Interstimulus Interval, single marker stimulus mode, and optimized stimulus sequence generator...
2018: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/29655666/environmental-considerations-in-the-selection-of-isolation-gowns-a-life-cycle-assessment-of-reusable-and-disposable-alternatives
#20
Eric Vozzola, Michael Overcash, Evan Griffing
BACKGROUND: Isolation gowns serve a critical role in infection control by protecting healthcare workers, visitors, and patients from the transfer of microorganisms and body fluids. The decision of whether to use a reusable or disposable garment system is a selection process based on factors including sustainability, barrier effectiveness, cost, and comfort. Environmental sustainability is increasingly being used in the decision-making process. Life cycle assessment is the most comprehensive and widely used tool used to evaluate environmental performance...
April 11, 2018: American Journal of Infection Control
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