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https://www.readbyqxmd.com/read/28527380/measurement-differences-between-turbidity-instruments-and-their-implications-for-suspended-sediment-concentration-and-load-calculations-a-sensor-inter-comparison-study
#1
A Rymszewicz, J J O'Sullivan, M Bruen, J N Turner, D M Lawler, E Conroy, M Kelly-Quinn
The use of turbidity for indicating environmentally detrimental levels of suspended and colloidal matter in freshwater systems, and for defining acceptable water quality standards in national and European drinking water regulations, is well established. Turbidity is therefore frequently adopted as a surrogate for suspended sediment concentrations (SSC), or as a relative and objective measure of water clarity in monitoring programmes. Through systematic, controlled experimentation, we tested the response of 12 commercially available turbidity sensors, of various designs, to gauge their measurement consistency when benchmarked against pre-prepared sediment suspensions of known SSC...
May 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28527374/talking-about-sunbed-tanning-social-representations-and-identity-work
#2
Jennifer Taylor, Michael Murray, Alexandra Lamont
RATIONALE: Despite the publicised health risks associated with its usage, sunbed tanning remains popular in many Western countries. Previous research indicates that knowledge of the harmful effects does not necessarily lead to a reduction in sunbed use. OBJECTIVE: The aim of this study was to develop a more extensive social psychological understanding of sunbed use, in the United Kingdom, by exploring the social representations of sunbed tanning held by both those who use and who have never used sunbeds...
May 9, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28527319/camera-to-subject-distance-affects-face-configuration-and-perceived-identity
#3
Eilidh Noyes, Rob Jenkins
Face identification is reliable for viewers who are familiar with the face, and unreliable for viewers who are not. One account of this contrast is that people become good at recognising a face by learning its configuration-the specific pattern of feature-to-feature measurements. In practice, these measurements differ across photos of the same face because objects appear more flat or convex depending on their distance from the camera. Here we connect this optical understanding to face configuration and identification accuracy...
May 17, 2017: Cognition
https://www.readbyqxmd.com/read/28526965/complete-sequence-and-genomic-annotation-of-carrot-torradovirus-1
#4
Zuriñe Rozado-Aguirre, Ian Adams, Adrian Fox, Matthew Dickinson, Neil Boonham
Carrot torradovirus 1 (CaTV1) is a new member of the genus Torradovirus within the family Secoviridae. CaTV1 genome sequences were obtained from a previous next-generation sequencing (NGS) study and were compared to other members and tentative new members of the genus. The virus has a bipartite genome, and RACE was used to amplify and sequence each end of RNA1 and RNA2. As a result, RNA1 and RNA2 are estimated to contain 6944 and 4995 nucleotides, respectively, with RNA1 encoding the proteins involved in virus replication, and RNA2 encoding the encapsidation and movement proteins...
May 19, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28526893/do-we-need-3d-tube-current-modulation-information-for-accurate-organ-dosimetry-in-chest-ct-protocols-dose-comparisons
#5
Xochitl Lopez-Rendon, Guozhi Zhang, Walter Coudyzer, Wim Develter, Hilde Bosmans, Federica Zanca
OBJECTIVES: To compare the lung and breast dose associated with three chest protocols: standard, organ-based tube current modulation (OBTCM) and fast-speed scanning; and to estimate the error associated with organ dose when modelling the longitudinal (z-) TCM versus the 3D-TCM in Monte Carlo simulations (MC) for these three protocols. METHOD: Five adult and three paediatric cadavers with different BMI were scanned. The CTDIvol of the OBTCM and the fast-speed protocols were matched to the patient-specific CTDIvol of the standard protocol...
May 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28526845/chemical-structure-of-the-lipid-a-component-of-pseudomonas-sp-strain-pamc-28618-from-thawing-permafrost-in-relation-to-pathogenicity
#6
Han-Gyu Park, Ganesan Sathiyanarayanan, Cheol-Hwan Hwang, Da-Hee Ann, Jung-Ho Kim, Geul Bang, Kyoung-Soon Jang, Hee Wook Ryu, Yoo Kyung Lee, Yung-Hun Yang, Yun-Gon Kim
Climate change causes permafrost thawing, and we are confronted with the unpredictable risk of newly discovered permafrost microbes that have disease-causing capabilities. Here, we first characterized the detailed chemical structure of the lipid A moiety from a Pseudomonas species that was isolated from thawing arctic permafrost using MALDI-based mass spectrometric approaches (i.e., MALDI-TOF MS and MALDI-QIT-TOF MS(n)). The MALDI multi-stage mass spectrometry (MS) analysis of lipid A extracted from the Pseudomonas sp...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526829/super-enhancers-and-broad-h3k4me3-domains-form-complex-gene-regulatory-circuits-involving-chromatin-interactions
#7
Fan Cao, Yiwen Fang, Hong Kee Tan, Yufen Goh, Jocelyn Yeen Hui Choy, Bryan Thean Howe Koh, Jiong Hao Tan, Nicolas Bertin, Aroul Ramadass, Ewan Hunter, Jayne Green, Matthew Salter, Alexandre Akoulitchev, Wilson Wang, Wee Joo Chng, Daniel G Tenen, Melissa J Fullwood
Stretched histone regions, such as super-enhancers and broad H3K4me3 domains, are associated with maintenance of cell identity and cancer. We connected super-enhancers and broad H3K4me3 domains in the K562 chronic myelogenous leukemia cell line as well as the MCF-7 breast cancer cell line with chromatin interactions. Super-enhancers and broad H3K4me3 domains showed higher association with chromatin interactions than their typical counterparts. Interestingly, we identified a subset of super-enhancers that overlap with broad H3K4me3 domains and show high association with cancer-associated genes including tumor suppressor genes...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526814/kras-and-gnas-co-mutation-in-metastatic-low-grade-appendiceal-mucinous-neoplasm-lamn-to-the-ovaries-a-practical-role-for-next-generation-sequencing
#8
Daniel R Matson, Jin Xu, Laura Huffman, Lisa Barroilhet, Molly Accola, William M Rehrauer, Paul Weisman
BACKGROUND Low-grade appendiceal mucinous neoplasms (LAMNs) are cytologically low-grade tumors of the appendix and are a frequent cause of pseudomyxoma peritonei. They can become a diagnostic challenge when they metastasize to the ovaries, where they may mimic primary ovarian mucinous tumors. CASE REPORT We report the case of a patient with very large bilateral ovarian mucinous tumors and a concurrent minute LAMN incidentally discovered in a grossly normal appendix. A primary ovarian tumor was suspected, but histological analysis of the ovaries suggested an appendiceal origin...
May 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28526770/therapeutic-ige-antibodies-harnessing-a-macrophage-mediated-immune-surveillance-mechanism-against-cancer
#9
REVIEW
Sophia N Karagiannis, Debra H Josephs, Heather J Bax, James F Spicer
IgG monoclonal antibodies have made significant contributions to cancer therapy, but suffer from several limitations that restrict their effectiveness in unleashing host immune system components against tumors. The development of monoclonal antibodies of an alternative class, namely IgE, may offer enhanced immune surveillance and superior effector cell potency against cancer cells. In our recent article, we elaborate our proof-of-concept studies of a mouse/human chimeric IgE antibody (MOv18 IgE), which is specific for the cancer-associated antigen folate receptor alpha...
May 19, 2017: Cancer Research
https://www.readbyqxmd.com/read/28525657/genetic-diversity-of-native-populations-of-croton-tetradenius-baill-using-issr-markers
#10
C S Almeida-Pereira, A V C Silva, R P Alves, R B Feitosa-Alcantara, M F Arrigoni-Blank, S V Alvares-Carvalho, T S Costa, L A S White, V S Pinto, T S Sampaio, A F Blank
Brazil has about 300 Croton species in different types of vegetation. Croton tetradenius Baill., which is endemic to the Northeast region and predominant in the Caatinga vegetation, stands out among the several species of this genus. Considering the importance of knowing the genetic variability of a species, the objective of this study was to analyze the genetic diversity of the genotypes of natural populations of C. tetradenius in the State of Sergipe, using ISSR molecular markers. Forty individuals were sampled in four natural populations of the State of Sergipe, Brazil...
May 18, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28525262/serum-protein-adsorption-enhances-active-leukemia-stem-cell-targeting-of-mesoporous-silica-nanoparticles
#11
Michaela Beck, Tamoghna Mandal, Christian Buske, Mika Lindén
The functionalization of nanoparticles with a ligand targeting receptors overexpressed by the target cells is a commonly used strategy when aiming at nanoparticle-based, cell type-specific drug delivery. However, the influence of particle surface chemistry on the targetability has received much less attention. The surface charge is known to directly or indirectly affect the nanoparticle cellular uptake kinetics by influencing serum protein adsorption. Thus, it is fair to assume that both the specificity and cellular uptake kinetics of targeted nanoparticles are influenced by the nanoparticle charge, both of which are important parameters for controlling cell-specific drug delivery efficiency...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28524827/impact-of-human-leukocyte-antigen-loci-and-haplotypes-on-intestinal-acute-graft-versus-host-disease-after-human-leukocyte-antigen-matched-sibling-peripheral-blood-stem-cell-transplantation
#12
Fa-Hong Yan, Mei Wang, Jian-Feng Yao, Er-Lie Jiang, Ming-Zhe Han
BACKGROUND: Acute graft-versus-host disease (aGVHD) is a common and severe complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Some studies have found that the presence of certain specific human leukocyte antigen (HLA) loci could affect the occurrence of aGVHD. Meanwhile, the impact of HLA haplotypes on aGVHD has been rarely studied. This study aimed to investigate the effects of HLA loci and haplotypes on intestinal aGVHD. METHODS: Totally, 345 consecutive patients undergoing first HLA-matched sibling peripheral blood stem cell transplantation (PBSCT) from February 2004 to June 2013 at Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, were enrolled in this study...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28524786/variation-in-management-of-in-hospital-newborn-falls-a-single-center-experience
#13
Doron J Kahn, Paul D Fisher, Dean A Hertzler
OBJECTIVE There are only 3 small case series in the literature that report on the management of in-hospital newborn falls (NFs), and recommendations are unclear. The authors performed a retrospective review to determine outcome and differences in management and to understand why management of NFs varies at their institution. METHODS All NFs occurring within the authors' institution over a 3.5-year period were reviewed. Post-fall management and outcomes of each incident were compared. RESULTS There were 24 NFs out of 40,349 deliveries (5...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28524740/identifying-risk-factors-for-late-onset-50-alcohol-use-disorder-and-heavy-drinking-a-systematic-review
#14
Jakob Emiliussen, Anette Søgaard Nielsen, Kjeld Andersen
This systematic review seeks to expand the description and understanding of late-onset AUD and asks "Which risk factors have been reported for late-onset heavy drinking and AUD?" METHOD: Using PRISMA guidelines, a literature review and search was performed on May 19, 2015 using the following databases: MEDLINE, EMBASE, PubMed, and PsychInfo. Nine studies were included in the final review. RESULTS: The search revealed that only very few studies have been conducted...
May 19, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28524694/gravity-amplitudes-as-generalized-double-copies-of-gauge-theory-amplitudes
#15
Zvi Bern, John Joseph Carrasco, Wei-Ming Chen, Henrik Johansson, Radu Roiban
Whenever the integrand of a gauge-theory loop amplitude can be arranged into a form where the Bern-Carrasco-Johansson duality between color and kinematics is manifest, a corresponding gravity integrand can be obtained simply via the double-copy procedure. However, finding such gauge-theory representations can be challenging, especially at high loop orders. Here, we show that we can, instead, start from generic gauge-theory integrands, where the duality is not manifest, and apply a modified double-copy procedure to obtain gravity integrands that include contact terms generated by violations of dual Jacobi identities...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28524555/considering-gender-and-student-leadership-through-the-lens-of-intersectionality
#16
Daniel Tillapaugh, Donald Mitchell, Krista M Soria
This chapter explores the concept of intersectionality and its applicability to student leadership development as well as recommendations on how intersectionality can provide transformative learning for students of all gender identities.
June 2017: New Directions for Student Leadership
https://www.readbyqxmd.com/read/28523943/prospective-effects-of-social-support-on-internalized-homonegativity-and-sexual-identity-concealment-among-middle-aged-and-older-gay-men-a-longitudinal-cohort-study
#17
Anthony Lyons, Christopher A Pepping
BACKGROUND AND OBJECTIVES: Middle-aged and older gay men experience higher rates of depression and anxiety compared to their heterosexual counterparts, with internalized homonegativity and sexual identity concealment known to be major stress-related contributors. This study examined the prospective effect of different types and sources of social support on internalized homonegativity and sexual identity concealment experienced among middle-aged and older gay men. METHODS: A longitudinal survey involving two waves of data collection separated by 12 months was conducted among a cohort of 186 gay-identified men aged 40 years and older...
May 19, 2017: Anxiety, Stress, and Coping
https://www.readbyqxmd.com/read/28523929/genetic-diversity-of-banana-bunchy-top-virus-isolates-from-china
#18
Xue-Qin Rao, Zi-Lin Wu, Lin Zhou, Jie Sun, Hua-Ping Li
Banana bunchy top virus (BBTV) (the genus Babuvirus, the family Nanoviridae) is a single-stranded circular DNA virus with a genome composed of six components designated as DNA-R, -U3, -S, -M, -C, and -N. This study analyzed the nucleotide identities of the DNA-R of 23 isolates from banana-producing provinces of China, including Guangdong, Hainan, Guangxi, and Yunnan. Results showed that the nucleotide identity of DNA-R was 72.3-100%. Phylogenetic analysis indicated that these BBTV isolates were clustered in different subgroups within the Asian group (AG)...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523924/comparison-of-transcriptional-profiles-of-interferons-cxcl10-and-rig-1-in-influenza-infected-a549-cells-stimulated-with-exogenous-interferons
#19
V Lachová, L Škorvanová, D Svetlíková, L Turianová, A Kostrábová, T Betáková
Type I and type III interferons (IFNs) are induced by viral infection. It was concluded that these IFN species are identical in regulation and biological functions. However, these two systems differ in the tissue expression of their receptors and their transcriptional regulation is fundamentally different as well as cellular signaling pathways that drive expression of each IFN. Here, we have investigated the transcriptional profile of endogenous IFNs after stimulation of cells with exogenous IFNs and subsequent infection of A549 cells with A/chicken/Germany/27 [H7N7] influenza virus...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523923/genetic-characterization-of-canine-parvovirus-from-dogs-in-pakistan
#20
M Z Shabbir, M U Sohail, U N Chaudhary, W Yaqub, I Rashid, M H Saleem, M Munir
Canine parvoviruses (CPV) exist as antigenic variants with varying frequencies and genetic variabilities across the globe. Given the endemicity and high prevalence in Pakistan, we characterized the CPVs originating from dogs-population to elucidate viral diversity and evolution. Fecal samples from clinically diseased pups (n = 17) of different breeds and age (2-6 months) were processed for hemagglutination assay (HA), and later for partial amplification of VP2 gene sequence and amino acid analysis. A total of 11 samples (64...
2017: Acta Virologica
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