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A Atici, S Emet, R Cakmak, G Yuruyen, A Alibeyoglu, M Akarsu, Y Arman, M Kose, E Ozgun, M Ozcan, O Altun, I Onur, T Tukek
OBJECTIVE: Type 1 cardiorenal syndrome (CRS) is an acute renal failure in patients with acute decompensated heart failure with an incidence of 24% to 45%. The aim of our study was to investigate the significance of new renal biomarkers to predict type 1 CRS. PATIENTS AND METHODS: The study included 111 patients with acute decompensated heart failure diagnosed at the Istanbul Medical Faculty Emergency Department between 2014 and 2016, and 24 healthy volunteers. All urine samples were stored at -80°C after centrifugation...
June 2018: European Review for Medical and Pharmacological Sciences
Esteban Soto, Matt J Griffin, Juan Alberto Morales, Elías Barquero Calvo, Fernanda de Alexandre Sebastião, Adrián Lopez Porras, Xindy Víquez-Rodríguez, Stephen R Reichley, Thomas G Rosser, Cynthia Ware, Barbara A Byrne, Julio C García, Benjamin R LaFrentz, Alvin C Camus
Historically, piscine francisellosis in various warm, temperate and coldwater fish hosts has been attributed to Francisella noatunensis From 2015-2016, an undescribed Francisella sp. was recovered during mortality events in cultured spotted rose snapper ( Lutjanus guttatus ) off the Pacific coast of Central America. Despite high mortality and emaciation, limited gross findings were observed in affected fish. Histological examination revealed multifocal granulomatous lesions, with the presence of numerous small, pleomorphic coccobacilli, predominantly in the peritoneum, spleen, kidneys, liver, pancreas, heart, and intestine...
June 18, 2018: Applied and Environmental Microbiology
Ila Mishra, Neha Agarwal, Sangeeta Rani, Vinod Kumar
Circannual rhythm regulates annual timing of reproduction in spotted munia, with sex-differences in its relationship with the external photoperiod environment. Interestingly, munia show an atypical photosensitivity and exhibit gonadal maturation when acutely exposed to an unnatural short photoperiod (e.g. 3 h light per day; i.e. a long scotoperiod). The proximate mechanisms regulating scotoperiod-induced hypothalamus-pituitary-gonadal (HPG) activation are unclear. Since thyroid hormone signalling plays a central role in photoperiodic induction, we hypothesized the involvement of similar mechanism, i...
June 16, 2018: Journal of Neuroendocrinology
L Chasmer, T Baker, S K Carey, J Straker, S Strilesky, R Petrone
Time series remote sensing vegetation indices derived from SPOT 5 data are compared with vegetation structure and eddy covariance flux data at 15 dry to wet reclamation and reference sites within the Oil Sands region of Alberta, Canada. This comprehensive analysis examines the linkages between indicators of ecosystem function and change trajectories observed both at the plot level and within pixels. Using SPOT imagery, we find that higher spatial resolution datasets (e.g. 10 m) improves the relationship between vegetation indices and structural measurements compared with interpolated (lower resolution) pixels...
June 12, 2018: Science of the Total Environment
Jeremy E Springer, Shiraz Elkheir, Cagla Eskicioglu, Aristithes G Doumouras, Stephen Kelly, Ilun Yang, Shawn Forbes
BACKGROUND: Postoperative ileus is a poorly understood multifactorial outcome following colorectal surgery that presents significant clinical challenges and contributes to increased morbidity, length of stay, and healthcare cost. To date, there are few pharmacological interventions that shorten the duration of postoperative ileus. OBJECTIVE: This study is the first to evaluate the efficacy of simethicone in treating postoperative ileus symptoms in patients undergoing colorectal surgery...
June 12, 2018: International Journal of Surgery
Arnald Puy, Manuel Herzog, Pedro Escriche, Amou Marouche, Yousef Oubana, Olaf Bubenzer
Desert oases are fragile agrarian areas, very vulnerable to sand encroachment by wind. Ensuring their conservation highly depends on our capacity to identify sand encroachment patterns, e.g. the origin of sand and its spatial distribution in the irrigated plots. Here we show how to tackle this issue using the case study of Erg Chebbi (Morocco), where two oases (Hassilabiad and Merzouga) are surrounded by dunes, Hamada and alluvial sediments from the Wadi Ziz. We combine field interviews with the study of wind dynamics, sediment sampling, Particle Size Distribution (PSD) tests and End-Member Modelling Analysis (EMMA)...
June 11, 2018: Science of the Total Environment
Michał Tomaszewski, Bogdan Ruszczak, Paweł Michalski
Electrical insulators are elements of power lines that require periodical diagnostics. Due to their location on the components of high-voltage power lines, their imaging can be cumbersome and time-consuming, especially under varying lighting conditions. Insulator diagnostics with the use of visual methods may require localizing insulators in the scene. Studies focused on insulator localization in the scene apply a number of methods, including: texture analysis, MRF (Markov Random Field), Gabor filters or GLCM (Gray Level Co-Occurrence Matrix) [1], [2]...
June 2018: Data in Brief
Siri Nair, Sulagna Bandyopadhyay
Background: High sodium intake is a major public health concern. Sodium consumption pattern of West Indian population has never been reported before. Objectives: The cross-sectional study assessed sodium intake pattern by considering all possible dietary sources and spot urine sodium estimation among sedentary healthy adults of productive age group (35-55 years). Materials and Methods: Twenty-four-h dietary recall (3 alternative days in a week), food frequency assessment, weighing of table, and cooking salt ( n = 218) were performed...
April 2018: Indian Journal of Community Medicine
Tamarra M James-Todd, Yu-Han Chiu, Carmen Messerlian, Lidia Mínguez-Alarcón, Jennifer B Ford, Myra Keller, John Petrozza, Paige L Williams, Xiaoyun Ye, Antonia M Calafat, Russ Hauser
BACKGROUND: Subfertile women are at increased risk of glucose intolerance in pregnancy. Based on epidemiologic studies, exposure to certain phthalates is associated with diabetes, elevated glucose, and increased insulin resistance. OBJECTIVES: To evaluate the association between urinary phthalate metabolites and pregnancy glucose levels in women seeking medically assisted reproduction. METHODS: We evaluated 245 women participating in a prospective cohort study based at a large fertility clinic who delivered live births and had data on pregnancy urinary phthalate metabolite concentrations and blood glucose levels...
June 14, 2018: Environmental Health: a Global Access Science Source
Loren G Rabinowitz
New England Journal of Medicine, Volume 378, Issue 24, Page 2253-2255, June 2018.
June 14, 2018: New England Journal of Medicine
M Oujja, J G Izquierdo, L Bañares, R de Nalda, M Castillejo
Femtosecond laser ablation of solids is known to produce ejection of material to a large extent composed of particles of nanometer dimensions for a broad variety of targets. This work explores the ultrashort laser ablation of metal targets (Ag, Cu, Al, Mn) through non-conventional diagnostics based on the nonlinear response of the transient medium created upon ablation. The full temporal mapping of the nonlinear response constitutes a useful flag that signals the abundance of clusters and nanoparticles in the plume...
June 13, 2018: Physical Chemistry Chemical Physics: PCCP
Stephanus J L Linde, Anja Franken, Johannes L du Plessis
Adverse respiratory and skin health effects have been associated with occupational exposure to soluble platinum (Pt). However, the relationship between skin exposure and urinary Pt excretion has not yet been investigated. In this study we examined the relationship between skin and respiratory exposure to soluble Pt and urinary Pt excretion at two South African precious metals refineries. The skin and respiratory exposure to soluble Pt as well as the urinary Pt excretion of forty precious metals refinery workers was assessed simultaneously using Ghostwipes™, Methods for the Determination of Hazardous Substances method 46/2 and spot urine tests, respectively...
June 9, 2018: International Journal of Hygiene and Environmental Health
Øystein Skjærvø, Trine Grønhaug Halvorsen, Léon Reubsaet
A reactor for whole blood sampling integrated with instant protein digestion in a "lab-on-paper" format is introduced here. The sampling reactor was fabricated on commercially available filter paper using 2-hydroxyethyl methacrylate-co-2-vinyl-4,4-dimethyl azlactone (HEMA-VDM) polymerization followed by the immobilization of trypsin. Immobilization conditions were investigated with respect to temperature, enzyme amount and immobilization time. The highest reactor efficiency with respect to protein digestion was obtained with 1...
June 12, 2018: Analyst
C Rodenbücher, G Bihlmayer, W Speier, J Kubacki, M Wojtyniak, M Rogala, D Wrana, F Krok, K Szot
The introduction of transition metal oxides for building nanodevices in information technology promises to overcome the scaling limits of conventional semiconductors and to reduce global power consumption significantly. However, oxide surfaces can exhibit heterogeneity on the nanoscale e.g. due to relaxation, rumpling, reconstruction, or chemical variations which demands for direct characterization of electronic transport phenomena down to the atomic level. Here we demonstrate that conductivity mapping is possible with true atomic resolution using the tip of a local conductivity atomic force microscope (LC-AFM) as the mobile nanoelectrode...
June 11, 2018: Nanoscale
C M Mak, E Cy Law, H Hc Lee, W K Siu, K M Chow, S Kc Au Yeung, H Ys Ngan, N Kc Tse, N S Kwong, G Cf Chan, K W Lee, W P Chan, S F Wong, M Hy Tang, A Sy Kan, A Pw Hui, P L So, C C Shek, R Sy Lee, K Y Wong, E Kc Yau, K H Poon, S Siu, G Wk Poon, A Mk Kwok, J Wy Ng, V Cs Yim, G Gy Ma, C H Chu, T Y Tong, Y K Chong, S Pl Chen, C K Ching, A Ok Chan, S Tam, R Lk Lau, W F Ng, K C Lee, A Yw Chan, C W Lam
INTRODUCTION: Newborn screening is important for early diagnosis and effective treatment of inborn errors of metabolism (IEM). In response to a 2008 coroners' report of a 14-year-old boy who died of an undiagnosed IEM, the OPathPaed service model was proposed. In the present study, we investigated the feasibility of the OPathPaed model for delivering expanded newborn screening in Hong Kong. In addition, health care professionals were surveyed on their knowledge and opinions of newborn screening for IEM...
June 4, 2018: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
Ljudmilla A G Nielsen, Julie A Bangsø, Kim H Lindahl, Rikke H Dahlrot, Jacob V B Hjelmborg, Steinbjørn Hansen, Bjarne W Kristensen
BACKGROUND: The Ki-67 Labelling Index (LI) is used as an ancillary tool in glioma diagnostics. Interobserver variability has been reported and no precise guidelines are available. Nor is it known whether novel digital approaches would be an advantage. Our aim was to evaluate the inter- and intraobserver variability of the Ki-67 LI between two pathologists and between pathologists and digital quantification both in whole tumour slides and in hot spots using narrow but diagnostically relevant intervals...
June 9, 2018: Diagnostic Pathology
Jiangong Jiang, Zhengqun Zhang, Xin Yu, Dicheng Ma, Caihong Yu, Feng Liu, Wei Mu
The seven-spotted ladybird beetle, Coccinella septempunctata L., as a dominant predator of aphids, has played a crucial role in integrated pest management (IPM) strategies in agricultural ecosystems. To study the risk of insecticides to C. septempunctata, the neonicotinoid clothianidin was selected for evaluation of its influence on C. septempunctata at lethal and sublethal doses. The LR50 (application rate causing 50% mortality) in the exposed larvae decreased from 19.94 to 5.91 g a.i. ha-1 , and the daily HQ (hazard quotient) values increased from 3...
June 6, 2018: Ecotoxicology and Environmental Safety
Kirk N Sato, Jackson Powell, Dave Rudie, Lisa A Levin
Marine fishery stakeholders are beginning to consider and implement adaptation strategies in the face of growing consumer demand and potential deleterious climate change impacts such as ocean warming, ocean acidification, and deoxygenation. This study investigates the potential for development of a novel climate change - tolerant sea urchin fishery in southern California based on Strongylocentrotus fragilis (pink sea urchin), a deep-sea species whose peak density was found to coincide with a current trap-based spot prawn fishery ( Pandalus platyceros ) in the 200-300-m depth range...
May 2018: ICES Journal of Marine Science: Journal du Conseil
Y Kolokoltsev, I Gómez-Arista, J Garduño-Mejía, M Avendaño-Alejo, C G Treviño-Palacios, O Kolokoltsev
We present a simple low-coherence time-domain interferometric reflectometer with a rapidly scanning optical delay line (RSODL) based on a non-parallel diffraction grating (DG) pair. The novelty of the solution is that the lightwave in the reference channel is focused on a galvo-mirror in a sub-mm static spot, which allows implementation of fast microelectromechanical systems scan optics. It is shown that the DG pair can be operated as a non-dispersive element that provides dynamic group delay of a reference lightwave...
June 1, 2018: Applied Optics
Ferga C Gleeson, Erik J Tryggestad, Nicholas B Remmes, Chris J Beltran, Jon J Kruse, Michael G Haddock, Christopher L Hallemeier, Andrew C Storm, Michael J Levy
Background and study aims : Little consideration has been given to selection of endoscopic ultrasound-guided fiducials for proton radiotherapy and the resulting perturbations in the therapy dose and pattern. Our aim was to assess the impact of perturbations caused by six fiducials of different composition and dimensions in a phantom gel model. Materials and methods:  The phantom was submerged in a water bath and irradiated with a uniform 10 cm × 10 cm field of 119...
June 2018: Endoscopy International Open
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