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https://www.readbyqxmd.com/read/27909640/treating-fasciotomy-wounds-with-negative-pressure-wound-therapy-with-instillation-and-dwell-time-npwti-d
#1
Priscilla Lee
Acute compartment syndrome (ACS) is a serious complication of lower-extremity trauma caused by accidents or post-procedure complications. ACS is characterized by increased pressure within the compartment, resulting in reduced blood flow, tissue hypoxia, and tissue necrosis. Fasciotomies to relieve pressure and debridement of necrotic tissue comprise primary treatment. My purpose is to present initial experience using negative pressure wound therapy with instillation and dwell time (NPWTi-d)* to treat fasciotomy wounds in two patients...
October 28, 2016: Curēus
https://www.readbyqxmd.com/read/27909442/strong-coupling-of-shoot-assimilation-and-soil-respiration-during-drought-and-recovery-periods-in-beech-as-indicated-by-natural-abundance-%C3%AE-13-c-measurements
#2
Carola H Blessing, Matti Barthel, Lydia Gentsch, Nina Buchmann
Drought down-regulates above- and belowground carbon fluxes, however, the resilience of trees to drought will also depend on the speed and magnitude of recovery of these above- and belowground fluxes after re-wetting. Carbon isotope composition of above- and belowground carbon fluxes at natural abundance provides a methodological approach to study the coupling between photosynthesis and soil respiration (SR) under conditions (such as drought) that influence photosynthetic carbon isotope discrimination. In turn, the direct supply of root respiration with recent photoassimilates will impact on the carbon isotope composition of soil-respired CO2...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27908773/does-the-effect-of-a-metarhizium-anisopliae-isolate-on-rhipicephalus-microplus-depend-on-the-tick-population-evaluated
#3
Anelise Webster, Endrigo Pradel, Ugo Araújo Souza, João Ricardo Martins, José Reck, Augusto Schrank, Guilherme Klafke
The filamentous fungus Metarhizium anisopliae is an arthropod pathogen used in the biological control of pests in agriculture and livestock. The effect of the fungus M. anisopliae on ticks has been shown in experiments in vitro. The aim of the present study was to compare the susceptibility of different field isolates of Rhipicephalus microplus to M. anisopliae. A total of 67 field isolates were evaluated. Rhipicephalus microplus larvae were immersed in an M. anisopliae suspension (10(8) conidia/mL) for 5min...
November 24, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27907008/an-assemblable-multi-angle-fluorescence-and-ellipsometric-microscope
#4
Victoria Nguyen, John Rizzo, Babak Sanii
We introduce a multi-functional microscope for research laboratories that have significant cost and space limitations. The microscope pivots around the sample, operating in upright, inverted, side-on and oblique geometries. At these geometries it is able to perform bright-field, fluorescence and qualitative ellipsometric imaging. It is the first single instrument in the literature to be able to perform all of these functionalities. The system can be assembled by two undergraduate students from a provided manual in less than a day, from off-the-shelf and 3D printed components, which together cost approximately $16k at 2016 market prices...
2016: PloS One
https://www.readbyqxmd.com/read/27898930/effects-of-roughage-inclusion-and-particle-size-on-performance-and-rumination-behavior-of-finishing-beef-steers
#5
W W Gentry, C P Weiss, C M Meredith, F T McCollum, N A Cole, J S Jennings
Roughage is typically mechanically processed to increase digestibility and improve handling and mixing characteristics in beef cattle finishing diets. Roughage is fed to promote ruminal health and decrease digestive upset, but inclusion in finishing diets is limited due to the cost per unit of energy. Rumination behavior may be a means to standardize roughage in beef cattle finishing diets, and increasing particle size of roughage may allow a decrease in roughage inclusion without sacrificing animal performance...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27887775/bactericidal-dental-nanocomposites-containing-1-2-3-triazolium-functionalized-poss-additive-prepared-through-thiol-ene-click-polymerization
#6
Saeed Beigi Burujeny, Hamid Yeganeh, Mohammad Atai, Hoshyar Gholami, Marzieh Sorayya
OBJECTIVE: Deterioration of mechanical strength for the dental composite containing ionic bactericidal compounds restricts the widespread utilization of this class of useful materials. This problem is originated from the reduction of the intermolecular interaction of polymeric network due to plasticization effect of absorbed water molecules penetrated between the chain segments. The main goal of this study is the synthesis of the highly efficient bactericidal additive with low hydrophilicity and consequently the least adverse effect on the final mechanical strength of the dental composite...
November 22, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27883957/effect-of-freezing-prior-to-aging-on-myoglobin-redox-forms-and-cie-color-of-beef-from-nellore-and-aberdeen-angus-cattle
#7
Carolina Naves Aroeira, Robledo de Almeida Torres Filho, Paulo Rogério Fontes, Alcinéia de Lemos Souza Ramos, Lúcio Alberto de Miranda Gomide, Márcio Machado Ladeira, Eduardo Mendes Ramos
The objective of this study was to evaluate the effect of freezing prior to wet aging on the color of Nellore and Aberdeen Angus cattle meat. Samples of the Longissimus thoracis muscle were subjected to two treatments: conventional aging (0, 7, 14 and 21days); and freezing (-20°C for 40days) followed by thawing and aging. Freezing promoted (P<0.05) formation of metmyoglobin during aging, especially in Nellore beef. Frozen meats showed (P<0.05) lower lightness (L*) values and higher redness (a*), chroma (C*) and hue angle (h*) values at the first day of storage, deteriorating quickly with aging time...
November 16, 2016: Meat Science
https://www.readbyqxmd.com/read/27875930/hybrid-aorta-constructs-via-in-situ-crosslinking-of-poly-glycerol-sebacate-elastomer-within-a-decellularized-matrix
#8
Selcan Guler, Pezhman Hosseinian, Halil Murat Aydin
Decellularization of tissues and organs has high potential to obtain unique conformation and composition as native tissue structure but may result with weaken tissue mechanical strength. In this study poly(glycerol-sebacate) (PGS) elastomers were combined with decellularized aortae fragments to investigate the changes in mechanical properties. PGS prepolymer was synthesized via microwave irradiation then in-situ cross-linked within the decellularized aorta ECM. Tensile strength (σ) values were found comparable as 0...
November 22, 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/27873515/angiopoietin-1-modified-human-umbilical-cord-mesenchymal-stem-cell-therapy-for-endotoxin-induced-acute-lung-injury-in-rats
#9
Zhi Wei Huang, Ning Liu, Dong Li, Hai Yan Zhang, Ying Wang, Yi Liu, Le Ling Zhang, Xiu Li Ju
PURPOSE: Angiopoietin-1 (Ang1) is a critical factor for vascular stabilization and endothelial survival via inhibition of endothelial permeability and leukocyte- endothelium interactions. Hence, we hypothesized that treatment with umbilical cord mesenchymal stem cells (UCMSCs) carrying the Ang1 gene (UCMSCs-Ang1) might be a potential approach for acute lung injury (ALI) induced by lipopolysaccharide (LPS). MATERIALS AND METHODS: UCMSCs with or without transfection with the human Ang1 gene were delivered intravenously into rats one hour after intra-abdominal instillation of LPS to induce ALI...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27871233/a-retrospective-analysis-of-melioidosis-in-cambodian-children-2009-2013
#10
Paul Turner, Sabine Kloprogge, Thyl Miliya, Sona Soeng, Pisey Tan, Poda Sar, Pagnarith Yos, Catrin E Moore, Vanaporn Wuthiekanun, Direk Limmathurotsakul, Claudia Turner, Nicholas P J Day, David A B Dance
BACKGROUND: Melioidiosis, infection by Burkholderia pseudomallei, is an important but frequently under-recognised cause of morbidity and mortality in Southeast Asia and elsewhere in the tropics. Data on the epidemiology of paediatric melioidosis in Cambodia are extremely limited. METHODS: Culture-positive melioidosis cases presenting to Angkor Hospital for Children, a non-governmental paediatric hospital located in Siem Reap, Northern Cambodia, between 1(st) January 2009 and 31(st) December 2013 were identified by searches of hospital and laboratory databases and logbooks...
November 21, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27859067/the-arctic-oscillation-climatic-variability-and-biotic-factors-influenced-seedling-dynamics-in-a-caribbean-moist-forest
#11
Kurt McLaren, Setu Monroe, Byron Wilson
We assessed the influence of the Arctic oscillation (AO) on local climate (using data from 2004 to 2009), their influence and the effects of heterospecific density on seedling dynamics (from January 2006 to August 2009), using data from 120 25-m(2) subplots established in a moist tropical forest over limestone in Jamaica. The AO index (AOI) had a positive nonlinear relationship with mean monthly rainfall and the number of days with rain. Also, there was a significant increase in mean monthly atmospheric temperature in 2006, which coincided with a global temperature increase...
September 2016: Ecology
https://www.readbyqxmd.com/read/27836115/hollow-glass-fibers-in-reinforcing-glass-ionomer-cements
#12
Sufyan Garoushi, Pekka Vallittu, Lippo Lassila
OBJECTIVE: This study investigated the reinforcing effect of hollow and solid discontinuous glass fiber fillers with two different loading fractions on select mechanical properties of conventional and resin modified glass ionomer cements (GICs). METHODS: Experimental fiber reinforced GIC was prepared by adding discontinuous glass fiber (hollow/solid) of 0.5mm in length to the powder of commercial GICs (GC Fuji IX and II LC) with two different weight ratios (5 and 10wt%) using a high speed mixing machine...
November 8, 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27834684/effects-of-electroacupuncture-on-uterine-morphology-and-expression-of-oestrogen-receptors-in-ovariectomised-rats
#13
Shulan Ma, Dongju Li, Yi Feng, Jianwei Jiang, Bo Shen
AIM: To observe the effects of electroacupuncture (EA) on uterine morphology and expression of oestrogen receptor (ER) α and β in ovariectomised (OVX) rats. METHODS: Thirty female Sprague-Dawley rats with regular 4-day oestrus cycles were divided into a sham operation group (Control, n=10) and two OVX groups that remained untreated (OVX group, n=10) or received EA treatment (OVX+EA group, n=10). In the latter group, EA was applied at CV4, CV3, SP6 and bilateral Zigong (30 min per day) for 3 days...
November 10, 2016: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/27833245/buccal-mucosal-graft-urethroplasty-for-proximal-bulbar-urethral-stricture-a-revisit-of-the-surgical-technique-and-analysis-of-eleven-consecutive-cases
#14
Irekpita Eshiobo, Esezobor Ehizomen, F Omosofe, V Onuora
BACKGROUND: Urethral stricture disease is prevalent, and many surgical techniques have been developed to treat it. Currently, urethroplasty for bulbar strictures implies ventral or dorsal stricturotomy and a buccal mucosa graft (BMG) patch. OBJECTIVE: To describe the surgical approach of the ventral patch BMG urethroplasty for proximal bulbar urethral stricture and to analyze 11 consecutive cases for whom the technique was used. PATIENTS AND METHODS: The diagnosis of urethral stricture was confirmed with a combined retrograde urethrography and micturating cystourethrography...
September 2016: Nigerian Medical Journal: Journal of the Nigeria Medical Association
https://www.readbyqxmd.com/read/27816470/solid-anaerobic-digestion-batch-with-liquid-digestate-recirculation-and-wet-anaerobic-digestion-of-organic-waste-comparison-of-system-performances-and-identification-of-microbial-guilds
#15
Francesco Di Maria, Martino Barratta, Francesco Bianconi, Pisana Placidi, Daniele Passeri
Solid anaerobic digestion batch (SADB) with liquid digestate recirculation and wet anaerobic digestion of organic waste were experimentally investigated. SADB was operated at an organic loading rate (OLR) of 4.55kgVS/m(3)day, generating about 252NL CH4/kgVS, whereas the wet digester was operated at an OLR of 0.9kgVS/m(3)day, generating about 320NL CH4/kgVS. The initial total volatile fatty acids concentrations for SADB and wet digestion were about 12,500mg/L and 4500mg/L, respectively. There were higher concentrations of ammonium and COD for the SADB compared to the wet one...
November 2, 2016: Waste Management
https://www.readbyqxmd.com/read/27816286/human-exposure-to-trace-metals-and-arsenic-via-consumption-of-fish-from-river-chenab-pakistan-and-associated-health-risks
#16
Ambreen Alamdar, Syed Ali Musstjab Akber Shah Eqani, Nida Hanif, Syeda Maria Ali, Mauro Fasola, Habib Bokhari, Ioannis A Katsoyiannis, Heqing Shen
This study provided the first hand data of trace elements into fish muscles (N = 65) collected from river Chenab in Pakistan during 2013, using inductively coupled plasma mass spectrometry (ICP-MS). We monitored the health risk associated with consumption of contaminated fish of river Chenab, by the local population. The mean concentrations (μg/g, wet weight), in descending order were: Zn (35.5-54.4), Cu (1.38-4.57), Mn (2.43-4.5), As (0.23-1.21), Cr (0.21-0.67), Ni (0.14-0.34), Pb (0.14-0.31), Co (0.09-0...
November 2, 2016: Chemosphere
https://www.readbyqxmd.com/read/27810303/surface-energy-balance-of-an-extensive-green-roof-as-quantified-by-full-year-eddy-covariance-measurements
#17
Jannik Heusinger, Stephan Weber
Green roofs are discussed as a promising type of green infrastructure to lower heat stress in cities. In order to enhance evaporative cooling, green roofs should ideally have similar Bowen ratio (β=sensible heat flux/latent heat flux) characteristics such as rural sites, especially during summer periods with high air temperatures. We use the eddy-covariance (EC) method to quantify the energy balance of an 8600m(2) extensive, non-irrigated green roof at the Berlin Brandenburg Airport, Germany over a full annual cycle...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27807475/mg-63-osteoblast-like-cell-proliferation-on-auxetic-plga-scaffold-with-mechanical-stimulation-for-bone-tissue-regeneration
#18
Hong Jin Choi, Jun Jae Lee, Yeong Jun Park, Jung-Woog Shin, Hak-Joon Sung, Ji Won Shin, Yanru Wu, Jeong Koo Kim
BACKGROUND: Auxetic scaffolds (experimental) was fabricated by using poly(D, L-lactic-co-glycolic acid), 50:50, (PLGA) for effective bone cell proliferation with mechanical stimulation. METHODS: Negative Poisson's ratio in scaffold, 3-directional volumetric compression was applied during the scaffold fabrication at adequate temperature (60 °C). The pore size of scaffold ranged between 355 and 400 μm. RESULTS: The porous morphology of the prepared auxetic scaffolds had shown partially concave and dent shapes in SEM image as expected...
2016: Biomaterials Research
https://www.readbyqxmd.com/read/27802361/contrasting-time-based-and-weight-based-estimates-of-protein-and-energy-intake-of-black-howler-monkeys-alouatta-pigra
#19
John F Aristizabal, Jessica M Rothman, Luis M García-Fería, Juan Carlos Serio-Silva
Two methods are commonly used to describe the feeding behavior of wild primates, one based on the proportion of time animals spent feeding on specific plant parts ("time-based" estimates) and one based on estimates of the actual amounts of different plant materials ingested ('"weight-based" estimates). However, studies based on feeding time may not be accurate for making quantitative assessments of animals' nutrient and energy intake. We analyzed the diet of two groups of Alouatta pigra living in forest fragments using two different methods (time- and dry weight-based estimates), to explore how these alternative approaches impact estimates of (a) the contribution of each food type to the diet and (b) the macronutrient composition of the diet, including available protein (AP), non-protein energy (NPE), and total energy (TE) intake...
November 1, 2016: American Journal of Primatology
https://www.readbyqxmd.com/read/27798697/long-term-stored-hemoglobin-vesicles-a-cellular-type-of-hemoglobin-based-oxygen-carrier-has-resuscitative-effects-comparable-to-that-for-fresh-red-blood-cells-in-a-rat-model-with-massive-hemorrhage-without-post-transfusion-lung-injury
#20
Masahiro Tokuno, Kazuaki Taguchi, Keishi Yamasaki, Hiromi Sakai, Masaki Otagiri
Hemoglobin-vesicles (HbV), encapsulating highly concentrated human hemoglobin in liposomes, were developed as a substitute for red blood cells (RBC) and their safety and efficacy in transfusion therapy has been confirmed in previous studies. Although HbV suspensions are structurally and physicochemically stabile for least 1-year at room temperature, based on in vitro experiments, the issue of whether the use of long-term stored HbV after a massive hemorrhage can be effective in resuscitations without adverse, post-transfusion effects remains to be clarified...
2016: PloS One
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