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https://www.readbyqxmd.com/read/29154226/short-term-exposures-to-pm2-5-and-cause-specific-mortality-of-cardiovascular-health-in-china
#1
Chen Chen, Pengfei Zhu, Li Lan, Lian Zhou, Ruicong Liu, Qinghua Sun, Jie Ban, Wentao Wang, Dandan Xu, Tiantian Li
BACKGROUND: Many multi-center epidemiological studies have robustly examined the acute health effects of exposure to low concentrations of fine particulate matter (PM2.5) on cardiovascular mortality in developed counties. However, data limitations have resulted in few related studies being conducted in developing counties with high levels of PM2.5 exposure. In recent years, people in China with a heavy cardiovascular disease burden have been exposed to particularly high levels of PM2...
November 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/29153340/impacts-of-delayed-addition-of-n-rich-and-acidic-substrates-on-nitrogen-loss-and-compost-quality-during-pig-manure-composting
#2
Jishao Jiang, Kang Kang, Dan Chen, Ningning Liu
Delayed addition of Nitrogen (N)-rich and acidic substrates was investigated to evaluate its effects on N loss and compost quality during the composting process. Three different delayed adding methods of N-rich (pig manure) and acidic substrates (phosphate fertilizer and rotten apples) were tested during the pig manure and wheat straw is composting. The results showed that delayed addition of pig manure and acidic materials led two temperature peaks, and the durations of two separate thermophilic phase were closely related to the amount of pig manure...
November 16, 2017: Waste Management
https://www.readbyqxmd.com/read/29149190/improved-capture-of-drosophila-suzukii-by-a-trap-baited-with-two-attractants-in-the-same-device
#3
Rodrigo Lasa, Eduardo Tadeo, Ricardo A Toledo-Hérnandez, Lino Carmona, Itzel Lima, Trevor Williams
The improvement of trap-lure combinations is an important part of integrated pest management programs that involve monitoring pests for timely insecticide applications, or for their use in control strategies such as mass trapping or bait stations. In this study improvements in the capture of Drosophila suzukii were not observed following the inclusion of different color stimuli with respect to a red-black stripe cup trap. This red-black stripe trap with a hemispherical dome-shaped lid had a significantly improved physical retention of flies compared to traps fitted with a flat lid...
2017: PloS One
https://www.readbyqxmd.com/read/29148054/transcriptome-analysis-unravels-an-ethylene-response-factor-involved-in-regulating-fruit-ripening-in-pear
#4
Ping-Ping Hao, Guo-Ming Wang, Hai-Yan Cheng, Ya-Qi Ke, Kai-Jie Qi, Chao Gu, Shao-Ling Zhang
Ethylene response factor (ERF) has been widely studied in regulating fruit ripening in tomato, apple, banana and kiwifruit, but little is known in pear. In this study 1-methylcyclopropene (1-MCP) treatment, an inhibitor of ethylene perception, was conducted at approximately 30 days before harvest to delay fruit ripening in a climacteric white pear cultivar Yali. Transcriptome libraries were constructed and sequenced in pre-ripening, ripening, and 1-MCP treated fruits. Data analysis showed that 73 candidate genes related to fruit ripening were induced by 1-MCP, among which two were positively related, namely 1-aminocyclopropane-1-carboxyla oxidase and an ERF gene (designated as ACO54 and ERF24)...
November 16, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/29136835/design-and-construction-of-an-injection-port-for-coupling-stir-bar-sorptive-extraction-with-ion-mobility-spectrometry
#5
Mohammad T Jafari, Mohammad R Rezayat, Mehdi Mossaddegh
An appropriate injection port was designed and constructed for direct analysis of stir-bar sorptive extractions using an ion mobility spectrometry (IMS). The novel design of the port offers great simplicity in use, high sensitivity, and high thermal and mechanical stability. The sol-gel technique was applied to prepare polydimethylsiloxane absorbent on a stir-bar. The parameters affecting extraction efficiency including stirring rate, extraction temperature, extraction time, salt addition and desorption temperature were optimized...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29132313/comparative-transcriptome-analysis-of-a-lowly-virulent-strain-of-erwinia-amylovora-in-shoots-of-two-apple-cultivars-susceptible-and-resistant-to-fire-blight
#6
Joanna Puławska, Monika Kałużna, Wojciech Warabieda, Artur Mikiciński
BACKGROUND: Erwinia amylovora is generally considered to be a homogeneous species in terms of phenotypic and genetic features. However, strains show variation in their virulence, particularly on hosts with different susceptibility to fire blight. We applied the RNA-seq technique to elucidate transcriptome-level changes of the lowly virulent E. amylovora 650 strain during infection of shoots of susceptible (Idared) and resistant (Free Redstar) apple cultivars. RESULTS: The highest number of differentially expressed E...
November 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29127948/association-of-high-sensitivity-cardiac-troponin-i-concentration-with-cardiac-outcomes-in-patients-with-suspected-acute-coronary-syndrome
#7
Andrew R Chapman, Kuan Ken Lee, David A McAllister, Louise Cullen, Jaimi H Greenslade, William Parsonage, Andrew Worster, Peter A Kavsak, Stefan Blankenberg, Johannes Neumann, Nils A Söerensen, Dirk Westermann, Madelon M Buijs, Gerard J E Verdel, John W Pickering, Martin P Than, Raphael Twerenbold, Patrick Badertscher, Zaid Sabti, Christian Mueller, Atul Anand, Philip Adamson, Fiona E Strachan, Amy Ferry, Dennis Sandeman, Alasdair Gray, Richard Body, Brian Keevil, Edward Carlton, Kim Greaves, Frederick K Korley, Thomas S Metkus, Yader Sandoval, Fred S Apple, David E Newby, Anoop S V Shah, Nicholas L Mills
Importance: High-sensitivity cardiac troponin I testing is widely used to evaluate patients with suspected acute coronary syndrome. A cardiac troponin concentration of less than 5 ng/L identifies patients at presentation as low risk, but the optimal threshold is uncertain. Objective: To evaluate the performance of a cardiac troponin I threshold of 5 ng/L at presentation as a risk stratification tool in patients with suspected acute coronary syndrome. Data Sources: Systematic search of MEDLINE, EMBASE, Cochrane, and Web of Science databases from January 1, 2006, to March 18, 2017...
November 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29117934/uses-of-mobile-device-digital-photography-of-dermatologic-conditions-in-primary-care
#8
Jennifer L Pecina, Kirk D Wyatt, Nneka I Comfere, Matthew E Bernard, Frederick North
BACKGROUND: PhotoExam is a mobile app that incorporates digital photographs into the electronic health record (EHR) using iPhone operating system (iOS, Apple Inc)-based mobile devices. OBJECTIVE: The aim of this study was to describe usage patterns of PhotoExam in primary care and to assess clinician-level factors that influence the use of the PhotoExam app for teledermatology (TD) purposes. METHODS: Retrospective record review of primary care patients who had one or more photos taken with the PhotoExam app between February 16, 2015 to February 29, 2016 were reviewed for 30-day outcomes for rates of dermatology consult request, mode of dermatology consultation (curbside phone consult, eConsult, and in-person consult), specialty and training level of clinician using the app, performance of skin biopsy, and final pathological diagnosis (benign vs malignant)...
November 8, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29106302/comparative-study-on-the-effects-of-apple-peel-polyphenols-and-apple-flesh-polyphenols-on-cardiovascular-risk-factors-in-mice
#9
Jia Tian, Xiaoyan Wu, Moyang Zhang, Zhongyi Zhou, Yingfeng Liu
Apple consumption has been demonstrated to be associated with reduced risk of cardiovascular disease, and the beneficial effect is probably due to the polyphenols in apple. Here, we for the first time evaluated and compared the in vivo effects of the polyphenolic extracts of apple peels (PAP) and apple fleshes (PAF) on blood pressure, vascular endothelial function, lipid metabolism and insulin resistance. A high-fat and high-fructose (HFHF) diet was used to cause cardiovascular disorders in mice, with blood pressure, serum ET-1, TC, TG, LDL-C, glucose and insulin levels increased, and serum NO and HDL-C levels decreased...
November 6, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29106034/evaluation-of-central-venous-catheters-coated-with-a-noble-metal-alloy-a-randomized-clinical-pilot-study-of-coating-durability-performance-and-tolerability
#10
Gunilla Björling, Dorota Johansson, Linda Bergström, Anton Strekalovsky, Javier Sanchez, Claes Frostell, Sigridur Kalman
The use of Central Venous Catheters (CVCs) commonly results in complications. Coatings with silver or metal alloys can reduce the risk associated with the use of CVC. We have evaluated the durability of a noble metal coated CVC (the Bactiguard Infectious Protection, BIP CVC) and compared with an uncoated CVC for clinical tolerability (Adverse Events, AEs) and performance, in order to create a baseline for a large future study. Patients undergoing major surgery, randomised at a 2:1 ratio to BIP CVC (n = 22) or standard CVC (n = 12), were catheterized 9 - 12 days, respectively...
November 6, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29093725/dynamic-labeling-reveals-temporal-changes-in-carbon-re-allocation-within-the-central-metabolism-of-developing-apple-fruit
#11
Wasiye F Beshir, Victor B M Mbong, Maarten L A T M Hertog, Annemie H Geeraerd, Wim Van den Ende, Bart M Nicolaï
In recent years, the application of isotopically labeled substrates has received extensive attention in plant physiology. Measuring the propagation of the label through metabolic networks may provide information on carbon allocation in sink fruit during fruit development. In this research, gas chromatography coupled to mass spectrometry based metabolite profiling was used to characterize the changing metabolic pool sizes in developing apple fruit at five growth stages (30, 58, 93, 121, and 149 days after full bloom) using (13)C-isotope feeding experiments on hypanthium tissue discs...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29079658/renal-dysfunction-influences-the-diagnostic-and-prognostic-performance-of-high-sensitivity-cardiac-troponin-i
#12
Ian Gunsolus, Yader Sandoval, Stephen W Smith, Anne Sexter, Karen Schulz, Charles A Herzog, Fred S Apple
Measures of cardiac troponin (cTn) may have lower specificity for myocardial infarction in patients with CKD. We examined the diagnostic accuracy of baseline and serial high-sensitivity cTnI (hs-cTnI) measurements for myocardial infarction and 30- and 180-day mortality according to renal function. hs-cTnI was measured (Abbott assay) using sex-specific 99th percentiles (women, 16 ng/L; men, 34 ng/L) in 1555 adults presenting to the emergency department with symptoms suggesting ischemia (NCT02060760). Myocardial infarction was adjudicated along universal definition classification...
October 27, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29076251/extracorporeal-magnetic-approach-to-reduce-the-unwanted-side-effects-and-improve-antibacterial-activity-of-ag-fe3-o4-nanocomposites-in-rat
#13
Chao Chen, Dong-Lin Xia, Ling-Yan Guo, Yan-Pei Chen, Xiao-Dong Li, Yu-Fei Wang, Duo Zhang, Yu-Ying Wang, Yu-Xin Zhang, Hong He, Hai-Ying Gu
While Ag nanoparticles hold great promise for broad spectrum antibacterial activity, the potential risks of Ag nanoparticles (NPs) on human health remain a challenge. In this study, Ag/Fe3 O4 composites have been successfully prepared and characterized by transmission electron microscopy, X-ray powder diffraction, and Fourier-transform infrared spectroscopy, and their magnetic and antibacterial properties have been assessed. In vivo results show that the antibacterial effect of 500 μg/mL Ag/Fe3 O4 nanocomposites was significantly higher than that of 1000 μg/mL AgNPs after 72 h of treatment (p < 0...
October 27, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29068553/serum-alpha1-proteinase-inhibitor-concentrations-in-dogs-with-systemic-inflammatory-response-syndrome-or-sepsis
#14
Romy M Heilmann, Niels Grützner, Brittany E Thames, Jörg M Steiner, James W Barr
OBJECTIVE: To determine whether the concentration of serum canine alpha1 -proteinase inhibitor (cα1 -PI) has diagnostic or prognostic utility in dogs with sepsis or noninfectious systemic inflammatory response syndrome (SIRS). DESIGN: Prospective, observational study from May to December 2010. SETTING: University teaching hospital ICU. ANIMALS: Sixty-nine client-owned dogs: 19 dogs with SIRS or sepsis and 50 healthy control dogs...
October 25, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/29068210/direct-conversion-of-co2-to-%C3%AE-farnesene-using-metabolically-engineered-synechococcus-elongatus-pcc-7942
#15
Hyun Jeong Lee, Jiwon Lee, Sun-Mi Lee, Youngsoon Um, Yunje Kim, Sang Jun Sim, Jong-Il Choi, Han Min Woo
Direct conversion of carbon dioxide (CO2) to value-added chemicals by engineering of cyanobacteria has received attention as a sustainable strategy in food and chemical industries. Herein, Synechococcus elongatus PCC 7942, a model cyanobacterium, was engineered to produce α-farnesene from CO2. Due to the lack of farnesene synthase (FS) activity in the wild-type cyanobacterium, we metabolically engineered S. elongatus PCC 7942 to express heterologous FS from either Norway spruce or apple fruit, resulting in detectable peaks of α-farnesene...
October 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29065223/influence-of-polysaccharide-based-edible-coatings-as-carriers-of-prebiotic-fibers-on-quality-attributes-of-ready-to-eat-fresh-blueberries
#16
María V Alvarez, Alejandra G Ponce, María R Moreira
BACKGROUND: Little information is available regarding the effect of dietary fibers added into edible coatings on quality attributes of ready-to-eat fruits. The aim of this study was to evaluate the effects of sodium alginate (AL) and chitosan (CH) edible coatings enriched with four different dietary fibers (apple fiber, orange fiber, inulin and oligofructose) on microbiological, nutritional, physicochemical and sensorial properties of ready-to-eat fresh blueberries stored for 18 days at 5 °C...
October 24, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29052357/critical-sized-full-thickness-skin-defect-regeneration-using-ovine-small-intestinal-submucosa-with-or-without-mesenchymal-stem-cells-in-rat-model
#17
Morteza Rashtbar, Jamshid Hadjati, Jafar Ai, Sadegh Shirian, Issa Jahanzad, Mahmoud Azami, Shiva Asadpuor, Esmaeil Sadroddiny
Decellularized extracellular matrices (ECM) based materials are routinely used for a variety of clinical applications. Hereof, in vivo application of decellularized ovine small intestinal submucosal (DOSIS) layer as, a scaffold is yet to be investigated. In this study, the effectiveness of the DOSIS scaffold, with or without rat bone marrow mesenchymal stem cells (BM-MSCs), in full-thickness wound healing of critical-sized defect was experimentally studied in a rat model. The experimental groups included; group I (control), group II (DOSIS), and group III (BM-MSCs-seeded DOSIS)...
October 20, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29052356/in-vitro-biocompatibility-bioactivity-and-photoluminescence-properties-of-eu-3-sr-2-dual-doped-nano-hydroxyapatite-for-biomedical-applications
#18
Lakshmanaperumal Sundarabharathi, Hemalatha Parangusan, Deepalekshmi Ponnamma, Mariam Al Ali Al-Maadeed, Mahendran Chinnaswamy
In the present investigation, we have successfully synthesized luminescent Eu(3+) -doped and Eu(3+) /Sr(2+) codoped hydroxyapatite (HA) nanoparticles through sol-gel assisted precipitation method with the aim of developing novel biomaterials containing osteoblast mineral (Sr(2+) ) and luminescence activator (Eu(3+) ). The structure, morphology, thermal stability, and luminescence properties of the resultant spherical nanoparticles (50-100 nm diameters) were studied. Moreover, the in-vitro bioactivity of Eu0...
October 20, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29052337/magnetic-stimulus-responsive-vancomycin-drug-delivery-system-based-on-chitosan-microbeads-embedded-with-magnetic-nanoparticles
#19
Ankita Mohapatra, Michael A Harris, David LeVine, Madhav Ghimire, Jessica A Jennings, Bashir I Morshed, Warren O Haggard, Joel D Bumgardner, Sanjay R Mishra, Tomoko Fujiwara
Local antibiotic delivery can overcome some of the shortcomings of systemic therapy, such as low local concentrations and delivery to avascular sites. A localized drug delivery system (DDS), ideally, could also use external stimuli to modulate the normal drug release profile from the DDS to provide efficacious drug administration and flexibility to healthcare providers. To achieve this objective, chitosan microbeads embedded with magnetic nanoparticles were loaded with the antibiotic vancomycin and stimulated by a high frequency alternating magnetic field...
October 20, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29048587/xylosandrus-germanus-coleoptera-curculionidae-scolytinae-occurrence-fungal-associations-and-management-trials-in-new-york-apple-orchards
#20
Arthur M Agnello, Deborah I Breth, Elizabeth M Tee, Kerik D Cox, Sara M Villani, Katrin M Ayer, Anna E Wallis, Daniel J Donahue, David B Combs, Abagail E Davis, Joshua A Neal, Forrest M English-Loeb
Xylosandrus germanus (Blandford) has caused increasing damage in high-density New York apple orchards since 2013, resulting in tree decline and death. We documented their occurrence and timing in > 50 orchards using ethanol-baited traps from 2014 to 2016. First captures ranged from 48 to 83 degree days (base 10 °C) from 1 January. Captures were numerically higher at the orchard-woods interface than within the orchard interior, but differences were not significant in locations with lower populations...
October 1, 2017: Journal of Economic Entomology
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