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https://www.readbyqxmd.com/read/28643335/a-review-of-hemolysis-prediction-models-for-computational-fluid-dynamics
#1
REVIEW
Hai Yu, Sebastian Engel, Gábor Janiga, Dominique Thévenin
Flow-induced hemolysis is a crucial issue for many biomedical applications; in particular, it is an essential issue for the development of blood-transporting devices such as left ventricular assist devices, and other types of blood pumps. In order to estimate red blood cell (RBC) damage in blood flows, many models have been proposed in the past. Most models have been validated by their respective authors. However, the accuracy and the validity range of these models remains unclear. In this work, the most established hemolysis models compatible with computational fluid dynamics of full-scale devices are described and assessed by comparing two selected reference experiments: a simple rheometric flow and a more complex hemodialytic flow through a needle...
June 23, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28637478/out-of-africa-the-mite-community-arachnida-acariformes-of-the-common-waxbill-estrilda-astrild-linnaeus-1758-passeriformes-estrildidae-in-brazil
#2
Fabio Akashi Hernandes, Barry M OConnor
BACKGROUND: The common waxbill, Estrilda astrild (L., 1758) (Passeriformes: Estrildidae) is a small passerine bird native to Sub-Saharan Africa that has been introduced into several regions of the world. RESULTS: In the present paper, eight mite species (Acariformes) are reported from this host from Brazil, including three species new to science: Montesauria caravela n. sp., M. conquistador n. sp. (Proctophyllodidae), Trouessartia transatlantica n. sp., T. minuscula Gaud & Mouchet, 1958, T...
June 21, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28637211/optimization-of-pheromone-traps-for-coryphodema-tristis-lepidoptera-cossidae
#3
Marc Clement Bouwer, Bernard Slippers, Michael John Wingfield, Jeremy Dean Allison, Egmont Richard Rohwer
The Coryphodema tristis (Drury) is an important pest of Eucalyptus nitens (Deane and Maiden) plantations in South Africa. The gregarious larvae of this pest cause damage by feeding on the tree sapwood, and adults emerge in spring each year. The aim of this study was to optimize pheromone traps for operational use in management programs. This was achieved by investigating different pheromone blend combinations and trap types for efficacy under field conditions. Our results confirm that the cross vane bucket funnel trap baited with a 95:2...
June 19, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28632557/vertebral-end-plate-perforation-for-intervertebral-disc-height-preservation-after-single-level-lumbar-discectomy-a-randomized-controlled-trial
#4
Miha Vodičar, Robert Košak, Matevž Gorenšek, Robert Korez, Tomaž Vrtovec, Jadran Koder, Vane Antolič, Rok Vengust
STUDY DESIGN: Pilot single-centre, stratified, prospective, randomized, double-blinded, parallel-group, controlled study. OBJECTIVE: To determine whether vertebral end-plate perforation after lumbar discectomy causes annulus reparation and intervertebral disc volume restoration. To determine that after 6 months there would be no clinical differences between the control and study group. SUMMARY OF BACKGROUND DATA: Low back pain is the most common long-term complication after lumbar discectomy...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28617339/development-of-a-stereovision-based-technique-to-measure-the-spread-patterns-of-granular-fertilizer-spreaders
#5
Simon R Cool, Jan G Pieters, Dejan Seatovic, Koen C Mertens, David Nuyttens, Tim C Van De Gucht, Jürgen Vangeyte
Centrifugal fertilizer spreaders are by far the most commonly used granular fertilizer spreader type in Europe. Their spread pattern however is error-prone, potentially leading to an undesired distribution of particles in the field and losses out of the field, which is often caused by poor calibration of the spreader for the specific fertilizer used. Due to the large environmental impact of fertilizer use, it is important to optimize the spreading process and minimize these errors. Spreader calibrations can be performed by using collection trays to determine the (field) spread pattern, but this is very time-consuming and expensive for the farmer and hence not common practice...
June 15, 2017: Sensors
https://www.readbyqxmd.com/read/28610183/melittofauna-and-other-potential-pollinators-in-wetland-and-uplands-in-south-central-nebraska-insecta-apoidea
#6
Cynthia N Park, Lisa M Overall, Loren M Smith, Ted Lagrange, Scott McMurry
Our objective was to document potential wild pollinating insects in south central Nebraska. This intensively cultivated region is known as the Rainwater Basin and contains some of the most endangered wetland systems in North America. We used blue vane traps to passively collect insects and insect nets to actively collect on flowering plants from April through October in 2014 and 2015. Habitat types included playa wetlands, adjacent mixed and tallgrass prairies, and agricultural fields. Over 112,000 insects were collected; Hymenoptera represented 78% of the total, and the families Apidae and Halictidae comprised 99% of the total melittofauna...
March 10, 2017: Zootaxa
https://www.readbyqxmd.com/read/28588943/towards-an-equitable-internship-programme-at-who-is-reform-nigh
#7
Ashton Barnett-Vanes, Cheng Feng, Maziar Jamnejad, Jing Jun
No abstract text is available yet for this article.
August 2016: BMJ Global Health
https://www.readbyqxmd.com/read/28458119/tnm-classification-and-the-need-for-revision-of-pn3a-breast-cancer
#8
T J A van Nijnatten, M Moossdorff, L de Munck, B Goorts, M L G Vane, K B M I Keymeulen, R G H Beets-Tan, M B I Lobbes, M L Smidt
BACKGROUND: According to the seventh edition of tumour-node-metastasis (TNM) classification, pN3a status in breast cancer patients consists of presence of an infraclavicular lymph node metastasis (LNM) and/or presence of ≥10 axillary LNMs. The aim of this study was to determine whether prognosis of pN3a based on at least an infraclavicular LNM differs from ≥10 axillary LNMs. METHODS: Data were obtained from the Netherlands Cancer Registry. All patients were diagnosed between 2005 and 2008 with primary invasive epithelial breast cancer and pN2a or pN3a status as pathologic result...
April 26, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28445211/polypoidal-choroidal-vasculopathy-associated-with-central-serous-chorioretinopathy-pachychoroid-spectrum-of-diseases
#9
George J Manayath, Vanee Sheth Shah, Veerappan R Saravanan, Venkatapathy Narendran
PURPOSE: To study multimodal imaging features of polypoidal choroidal vasculopathy (PCV) associated with central serous chorioretinopathy (CSC) in the same eye. METHODS: A retrospective observational study of cases of suspected PCV which underwent indocyanine green angiography, fundus fluorescein angiography and optical coherence tomography was done, to look for simultaneous typical CSC-like active leak in the same eye. The relevant history, best-corrected visual acuity, optical coherence tomography, fundus fluorescein angiography, and indocyanine green angiography findings were analyzed...
April 25, 2017: Retina
https://www.readbyqxmd.com/read/28442549/neuraminidases-3-and-4-regulate-neuronal-function-by-catabolizing-brain-gangliosides
#10
Xuefang Pan, Camila De Britto Pará De Aragão, Juan P Velasco-Martin, David A Priestman, Harry Y Wu, Kohta Takahashi, Kazunori Yamaguchi, Luisella Sturiale, Domenico Garozzo, Frances M Platt, Nathalie Lamarche-Vane, Carlos R Morales, Taeko Miyagi, Alexey V Pshezhetsky
Gangliosides (sialylated glycolipids) play an essential role in the CNS by regulating recognition and signaling in neurons. Metabolic blocks in processing and catabolism of gangliosides result in the development of severe neurologic disorders, including gangliosidoses manifesting with neurodegeneration and neuroinflammation. We demonstrate that 2 mammalian enzymes, neuraminidases 3 and 4, play important roles in catabolic processing of brain gangliosides by cleaving terminal sialic acid residues in their glycan chains...
April 25, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28394641/exploring-validation-of-a-graphic-symbol-questionnaire-to-measure-participation-experiences-of-youth-in-activity-settings
#11
Beata Batorowicz, Gillian King, Freda Vane, Madhu Pinto, Parimala Raghavendra
Participation has a subjective and private dimension, and so it is important to hear directly from youth about their experiences in various activity settings, the places where they "do things" and interact with others. To meet this need, our team developed the Self-Reported Experiences of Activity Settings (SEAS) measure, which demonstrated good-to-excellent measurement properties. To address the needs of youth who could benefit from graphic symbol support, the SEAS-PCS(TM), (1) was created. The purpose of this paper is to describe the development of SEAS-PCS and the preliminary study that explores the equivalency of the SEAS and SEAS-PCS...
April 10, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28379550/does-passive-sampling-accurately-reflect-the-bee-apoidea-anthophila-communities-pollinating-apple-and-sour-cherry-orchards
#12
Jason Gibbs, Neelendra K Joshi, Julianna K Wilson, Nikki L Rothwell, Karen Powers, Mike Haas, Larry Gut, David J Biddinger, Rufus Isaacs
During bloom of spring orchard crops, bees are the primary providers of pollination service. Monitoring these insects for research projects is often done by timed observations or by direct aerial netting, but there has been increasing interest in blue vane traps as an efficient passive approach to collecting bees. Over multiple spring seasons in Michigan and Pennsylvania, orchards were monitored for wild bees using timed netting from crop flowers and blue vane traps. This revealed a distinctly different community of wild bees captured using the two methods, suggesting that blue vane traps can complement but cannot replace direct aerial netting...
June 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28372759/on-road-emissions-of-co-co2-and-nox-from-four-wheeler-and-emission-estimates-for-delhi
#13
Jaiprakash, Gazala Habib, Anil Kumar, Akash Sharma, Minza Haider
This study presents the emission factor of gaseous pollutants (CO, CO2, and NOX) from on-road tailpipe measurement of 14 passenger cars of different types of fuel and vintage. The trolley equipped with stainless steel duct, vane probe velocity meter, flue gas analyzer, Nondispersive infra red (NDIR) CO2 analyzer, temperature, and relative humidity (RH) sensors was connected to the vehicle using a towing system. Lower CO and higher NOX emissions were observed from new diesel cars (post 2010) compared to old cars (post 2005), which implied that new technological advancement in diesel fueled passenger cars to reduce CO emission is a successful venture, however, the use of turbo charger in diesel cars to achieve high temperature combustion might have resulted in increased NOX emissions...
March 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28356391/tlr4-signals-in-b-lymphocytes-are-transduced-via-the-b-cell-antigen-receptor-and-syk
#14
Edina Schweighoffer, Josquin Nys, Lesley Vanes, Nicholas Smithers, Victor L J Tybulewicz
Toll-like receptors (TLRs) play an important role in immune responses to pathogens by transducing signals in innate immune cells in response to microbial products. TLRs are also expressed on B cells, and TLR signaling in B cells contributes to antibody-mediated immunity and autoimmunity. The SYK tyrosine kinase is essential for signaling from the B cell antigen receptor (BCR), and thus for antibody responses. Surprisingly, we find that it is also required for B cell survival, proliferation, and cytokine secretion in response to signaling through several TLRs...
May 1, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28329643/epidemiology-of-lentigo-maligna-and-lentigo-maligna-melanoma-in-the-netherlands-1989-2013
#15
Karin Greveling, Marlies Wakkee, Tamar Nijsten, Renate R Vane den Bos, Loes M Hollestein
Lentigo maligna (LM) is considered a precursor to LM melanoma (LMM). We assessed trends in LM and LMM incidence rates between 1989 and 2013 in the Netherlands, and estimated the risk of a LMM after LM. Data on newly diagnosed LM and LMM were obtained from the Netherlands Cancer Registry and PALGA (Dutch Pathology Database). Age-standardized incidence rates (European standardized rate [ESR]), estimated annual percentage changes (EAPC), and the cumulative incidence of LMM after LM were calculated. Between 1989-2013, 10,545 patients were diagnosed with a primary LM and 2,898 with a primary LMM in the Netherlands...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28325856/prevalence-of-undiagnosed-asymptomatic-bacteriuria-and-associated-risk-factors-during-pregnancy-a-cross-sectional-study-at-two-tertiary-centres-in-cairo-egypt
#16
Mohamed Abdel-Aziz Elzayat, Ashton Barnett-Vanes, Mohamed Farag Elmorsy Dabour, Feng Cheng
BACKGROUND: The prevalence of asymptomatic bacteriuria (ASB) during pregnancy is poorly understood in Egypt-a country with a high birth rate. OBJECTIVES: To determine the prevalence of ASB among pregnant women booking at El Hussein and Sayed Galal Hospitals in Al-Azhar University in Egypt; and to observe the relationship between ASB prevalence and risk factors such as socioeconomic level and personal hygiene. SETTING: Obstetrics and gynaecology clinics of 2 university hospitals in the capital of Egypt...
March 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28282931/bee-community-of-commercial-potato-fields-in-michigan-and-bombus-impatiens-visitation-to-neonicotinoid-treated-potato-plants
#17
Amanda L Buchanan, Jason Gibbs, Lidia Komondy, Zsofia Szendrei
We conducted a bee survey in neonicotinoid-treated commercial potato fields using bowl and vane traps in the 2016 growing season. Traps were placed outside the fields, at the field edges, and 10 and 30 m into the fields. We collected 756 bees representing 58 species, with Lasioglossum spp. comprising 73% of all captured bees. We found seven Bombus spp., of which B. impatiens was the only known visitor of potato flowers in our region. The majority of the bees (68%) were collected at the field edges and in the field margins...
March 9, 2017: Insects
https://www.readbyqxmd.com/read/28269012/cfd-analysis-of-strut-influence-on-blood-flow-in-stent-implanted-left-main-coronary-artery-bifurcation
#18
Yuya Yamada, Takahiro Tsukahara, Masahiro Motosuke, Yusuke Fujino
We numerically studied blood flows in a simulated branching pipe of coronary artery bifurcation, which is affected by stent implantation. We found that stent struts provide effects as guide vanes and blockages on the flow into circumflex branch. The former effect increases the flow rate and shear stress on the arteriosclerosis-prone site. The blockage effect may overwhelm the guide effect depending on a strut position against the inflow.
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28262070/developing-a-website-to-demonstrate-clinical-holding-techniques
#19
Andrea Page, Alison Warren, Nicola Vanes
Healthcare staff routinely use clinical holding to help infants, children or young people stay still when treatment is being administered, to prevent children or young people from interfering with the treatment, or when invasive examinations are being carried out. However, healthcare staff rarely have any formal discussion with children and young people, or their parents, on the techniques used for clinical holding. Visual tools are important when talking to children or young people about their healthcare, and a website with images of clinical holds would allow staff to discuss relevant holds with their patients...
March 6, 2017: Nursing Children and Young People
https://www.readbyqxmd.com/read/28260833/development-of-noise-controls-for-longwall-shearer-cutting-drums
#20
Hugo E Camargo, Amanda S Azman, Lynn Alcorn
Noise-induced hearing loss is the second most pervasive disease in the mining industry. The exposure of miners to noise levels above the permissible exposure level results in hearing loss of approximately 80% of coal miners by retirement age. In addition, between 2002 and 2011, approximately 48% of longwall shearer operators were overexposed in coal mines in the United States. Previous research identified the two rotating cutting drums used by the longwall shearer to extract coal as the most significant sound-radiating components...
September 1, 2016: Noise Control Engineering Journal
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