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https://www.readbyqxmd.com/read/29148887/wild-birds-as-a-potential-source-of-known-and-novel-multilocus-sequence-types-of-antibiotic-resistant-enterococcus-faecalis
#1
Dagmara Stępień-Pyśniak, Tomasz Hauschild, Anna Nowaczek, Agnieszka Marek, Marta Dec
We assessed the antibiotic resistance and genetic diversity of 27 Enterococcus faecalis isolates from 25 wild bird species in Poland. Resistance to lincomycin (100%) was most common followed by tetracycline (48%), erythromycin (44%), and ciprofloxacin (22%). High-level resistance to streptomycin and kanamycin was observed in 19 and 15% of isolates, respectively. One isolate (4%) exhibited low-level resistance to penicillin and vancomycin, and all isolates were susceptible to gentamicin and chloramphenicol. Antibiotic resistance was linked to the tet(M), tet(L), erm(A), erm(B), msr(A/B), ant(6)-Ia, and aph(3')-IIIa genes...
November 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29137138/metabolic-profile-of-the-cellulolytic-industrial-actinomycete-thermobifida-fusca
#2
Niti Vanee, J Paul Brooks, Stephen S Fong
Actinomycetes have a long history of being the source of numerous valuable natural products and medicinals. To expedite product discovery and optimization of biochemical production, high-throughput technologies can now be used to screen the library of compounds present (or produced) at a given time in an organism. This not only facilitates chemical product screening, but also provides a comprehensive methodology to the study cellular metabolic networks to inform cellular engineering. Here, we present some of the first metabolomic data of the industrial cellulolytic actinomycete Thermobifida fusca generated using LC-MS/MS...
November 11, 2017: Metabolites
https://www.readbyqxmd.com/read/29134317/the-impact-of-canal-flare-index-on-leg-length-discrepancy-after-total-hip-arthroplasty
#3
Peter Brumat, Borut Pompe, Vane Antolič, Blaž Mavčič
INTRODUCTION: The femoral stem should protrude from femur by an appropriate vertical distance to allow leg length equalization at hip arthroplasty; this distance depends on the size/shape of medullary canal and implant. The relationship between femoral morphology and achievability of leg length restoration is currently unclear. Our aim was to examine the impact of the femoral canal flare index (CFI) on the risk of leg length discrepancy (LLD) after total hip arthroplasty with different femoral stems...
November 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29108760/s-aureus-pneumonia-and-sternoclavicular-septic-arthritis-an-unusual-complication
#4
Virginia Molina, Mar Arlandis, Sandra Vañes, Eusebi Chiner
No abstract text is available yet for this article.
November 3, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/29053857/uv-reflection-properties-of-plumage-and-skin-of-domesticated-turkeys-meleagris-gallopavo-f-dom-as-revealed-by-uv-photography
#5
T Bartels, J-H Lütgeharm, M Wähner, J Berk
Reflection and fluorescence properties of feathered and non-feathered body regions of white- and bronze-colored fattening turkeys of various ages were examined by ultraviolet (UV) photography. The examinations were carried out on 20 white-feathered fattening turkeys (B.U.T. 6; 10 males, 10 females) and 20 bronze-feathered fattening turkeys (Grelier 708; 10 males, 10 females) over a period of 21 weeks. The turkeys were photographed once a wk under long-wave UV (UVA) radiation illumination (λ = 344-407 nm) using a digital camera...
October 5, 2017: Poultry Science
https://www.readbyqxmd.com/read/29041278/rapid-optimization-method-of-the-strong-stray-light-elimination-for-extremely-weak-light-signal-detection
#6
Geng Wang, Fei Xing, Minsong Wei, Zheng You
The strong stray light has huge interference on the detection of weak and small optical signals, and is difficult to suppress. In this paper, a miniaturized baffle with angled vanes was proposed and a rapid optimization model of strong light elimination was built, which has better suppression of the stray lights than the conventional vanes and can optimize the positions of the vanes efficiently and accurately. Furthermore, the light energy distribution model was built based on the light projection at a specific angle, and the light propagation models of the vanes and sidewalls were built based on the Lambert scattering, both of which act as the bias of a calculation method of stray light...
October 16, 2017: Optics Express
https://www.readbyqxmd.com/read/29033171/pah-pcb-tph-and-mercury-in-surface-sediments-of-the-delaware-river-estuary-and-delmarva-peninsula-usa
#7
A W Kim, C H Vane, V Moss-Hayes, S E Engelhart, A C Kemp
Surface sediment concentrations of polycyclic aromatic hydrocarbons (PAH) and polychlorinated biphenyls (PCB), total petroleum hydrocarbons (TPH) and mercury, were compared from two areas with contrasting land use history, the industrial Delaware Estuary and the rural Delmarva Peninsula (USA). TPH in the Delaware (38-616mg/kg) and saturate/aromatic fractions suggested petroleum/industrial sources compared to biogenic sources in the Delmarva coastal control (<34-159mg/kg). Within the Delaware the ∑PAH18 ranged from 3749 to 22,324μg/kg with isomeric ratios indicative of petroleum combustion source/s, conversely, those in the Delmarva (5-2139μg/kg) also yielded relatively higher perylene that were consistent with natural background levels derived from vegetation/coal combustion source/s...
October 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28994220/bacteremia-after-supragingival-scaling-and-dental-extraction-culture-and-molecular-analyses
#8
Luciana Carvalho Reis, Isabela N Rôças, José F Siqueira, Milton de Uzeda, Vane S Lacerda, Regina Maria Cavalcanti Pilotto Domingues, Karla Rodrigues Miranda, Roberto M Saraiva
OBJECTIVE: To study the incidence and magnitude of bacteremia after dental extraction and supragingival scaling. SUBJECTS AND METHODS: Blood samples were taken before and 5 and 30 minutes after dental extraction and supragingival scaling from individuals at high (n=42) or negligible risk (n=53) for infective endocarditis. The former received prophylactic antibiotic therapy. Samples were subjected to aerobic and anaerobic culture and quantitative real-time polymerase chain reaction to determine the incidence of bacteremia and total bacterial levels...
October 9, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28991981/denitrification-along-the-stream-riparian-continuum-in-restored-and-unrestored-agricultural-streams
#9
Molly K Welsh, Sara K McMillan, Philippe G Vidon
Although floodplain restoration may improve stream-riparian connectivity and increase channel stability through cross-vane installation, stream bank regrading, and buffer revegetation, the impact of these geomorphic alterations on denitrification across the aquatic-terrestrial interface is poorly understood. Seasonal denitrification enzyme activity (DEA) was compared in stream-riparian ecotones of four streams with varying hydrologic connection, riparian vegetation composition, and agricultural influence. Riparian and stream DEA was generally higher in sites adjacent to agricultural fields due to proximity to nitrate source...
September 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28926254/new-in-situ-measurements-of-the-viscosity-of-gas-clathrate-hydrate-slurries-formed-from-model-water-in-oil-emulsions
#10
Ahmad A A Majid, David T Wu, Carolyn A Koh
In situ rheological measurements for clathrate hydrate slurries were performed using a high pressure rheometer to determine the effect of hydrate particles on the viscosity and transportability of these slurries. These measurements were conducted using a well-characterized model water-in-oil emulsion ( Delgado-Linares et al. Model Water in-Oil Emulsions for Gas Hydrate Studies in Oil Continuous Systems . Energy Fuels 2013 , 27 , 4564 - 4573 ). The emulsion consists of a model liquid hydrocarbon, water, and a surfactant mixture of sorbitane monooleate 80 (Span 80) and sodium di-2-ethylhexylsulfosuccinate (Aerosol OT, AOT)...
October 3, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28853023/automatic-change-detection-in-vision-adaptation-memory-mismatch-or-both-ii-oddball-and-adaptation-effects-on-event-related-potentials
#11
Flóra Bodnár, Domonkos File, István Sulykos, Krisztina Kecskés-Kovács, István Czigler
In this study we compared the event-related potentials (ERPs) obtained in two different paradigms: a passive visual oddball paradigm and an adaptation paradigm. The aim of the study was to investigate the relation between the effects of activity decrease following an adaptor (stimulus-specific adaptation) and the effects of an infrequent stimulus within sequences of frequent ones. In Experiment 1, participants were presented with different line textures. The frequent (standard) and rare (deviant) texture elements differed in their orientation...
August 29, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28835688/the-scaffold-protein-ajuba-suppresses-cdgap-activity-in-epithelia-to-maintain-stable-cell-cell-contacts
#12
J J McCormack, S Bruche, A B D Ouadda, H Ishii, H Lu, A Garcia-Cattaneo, C Chávez-Olórtegui, N Lamarche-Vane, V M M Braga
Levels of active Rac1 at epithelial junctions are partially modulated via interaction with Ajuba, an actin binding and scaffolding protein. Here we demonstrate that Ajuba interacts with the Cdc42 GTPase activating protein CdGAP, a GAP for Rac1 and Cdc42, at cell-cell contacts. CdGAP recruitment to junctions does not require Ajuba; rather Ajuba seems to control CdGAP residence at sites of cell-cell adhesion. CdGAP expression potently perturbs junctions and Ajuba binding inhibits CdGAP activity. Ajuba interacts with Rac1 and CdGAP via distinct domains and can potentially bring them in close proximity at junctions to facilitate activity regulation...
August 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28815626/preliminary-quantification-of-the-permeability-solubility-and-diffusion-coefficients-of-major-aroma-compounds-present-in-herbs-through-various-plastic-packaging-materials
#13
Pattarin Leelaphiwat, Rafael A Auras, Gary Burgess, Janice B Harte, Vanee Chonhenchob
BACKGROUND: Aroma permeation through packaging material is an important factor when designing a package for food products. The masses of aroma compounds permeating through films over time were measured at 25 °C using a quasi-isostatic system. A model was proposed for estimating the permeability coefficients (P) of key aroma compounds present in fresh herbs (i.e., eucalyptol, estragole, linalool and citral) through major plastic films used by the food industry (i.e., low-density polyethylene (LDPE), polypropylene (PP), nylon (Nylon), polyethylene terephthalate (PET), metalized-polyethylene terephthalate (MPET) and poly(lactic acid) (PLA))...
August 16, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28809443/characterisation-in-vitro-and-in-vivo-evaluation-of-valproic-acid-loaded-nanoemulsion-for-improved-brain-bioavailability
#14
Suk Fei Tan, Brian P Kirby, Johnson Stanslas, Hamidon Bin Basri
OBJECTIVE: This study was aimed to investigate the potential of formulated valproic acid-encapsulated nanoemulsion (VANE) to improve the brain bioavailability of valproic acid (VPA). METHODS: Valproic acid-encapsulated nanoemulsions were formulated and physically characterised (osmolarity, viscosity, drug content, drug encapsulation efficiency). Further investigations were also conducted to estimate the drug release, cytotoxic profile, in-vitro blood-brain barrier (BBB) permeability, pharmacokinetic parameter and the concentration of VPA and VANE in blood and brain...
August 15, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28808016/hydrodynamics-of-microbial-filter-feeding
#15
Lasse Tor Nielsen, Seyed Saeed Asadzadeh, Julia Dölger, Jens H Walther, Thomas Kiørboe, Anders Andersen
Microbial filter feeders are an important group of grazers, significant to the microbial loop, aquatic food webs, and biogeochemical cycling. Our understanding of microbial filter feeding is poor, and, importantly, it is unknown what force microbial filter feeders must generate to process adequate amounts of water. Also, the trade-off in the filter spacing remains unexplored, despite its simple formulation: A filter too coarse will allow suitably sized prey to pass unintercepted, whereas a filter too fine will cause strong flow resistance...
August 29, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28777302/bee-hymenoptera-apoidea-diversity-and-sampling-methodology-in-a-midwestern-usa-deciduous-forest
#16
Kenneth W McCravy, Jared D Ruholl
Forests provide potentially important bee habitat, but little research has been done on forest bee diversity and the relative effectiveness of bee sampling methods in this environment. Bee diversity and sampling methodology were studied in an Illinois, USA upland oak-hickory forest using elevated and ground-level pan traps, malaise traps, and vane traps. 854 bees and 55 bee species were collected. Elevated pan traps collected the greatest number of bees (473), but ground-level pan traps collected greater species diversity (based on Simpson's diversity index) than did elevated pan traps...
August 4, 2017: Insects
https://www.readbyqxmd.com/read/28765718/checklist-of-bees-apoidea-from-a-private-conservation-property-in-west-central-montana
#17
Marirose Kuhlman, Skyler Burrows
BACKGROUND: Here we present preliminary results from the first three years of a long-term bee survey conducted at a 3,840-ha private conservation property in the northern Sapphire Mountains and Bitterroot River Valley, and a pilot study at an associated 80-ha property in the Swan River Valley, Missoula County, Montana, USA. The survey includes hand-net, bowl-trap, and blue-vane trap collections. The resulting checklist comprises 229 bee species and morphospecies within 5 families, 38 genera and 91 subgenera...
2017: Biodiversity Data Journal
https://www.readbyqxmd.com/read/28710556/visual-mismatch-negativity-vmmn-for-low-and-high-level-deviances-a-control-study
#18
Domonkos File, Bálint File, Flóra Bodnár, István Sulykos, Krisztina Kecskés-Kovács, István Czigler
The aim of our studies was to separate the effects of violating a sequential rule (genuine visual mismatch negativity; gvMMN) from the decreased activity in response to repeated stimuli (stimulus-specific adaptation; SSA) for simple and more complex stimuli. To accomplish this goal, different control procedures were applied with the aim of finding the correct control for vMMN studies. Event-related brain electric activity (ERPs) was measured in response to nonattended visual stimuli that were presented either in an oddball manner or in various control sequences...
October 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28668073/clinically-node-negative-breast-cancer-patients-undergoing-breast-conserving-therapy-sentinel-lymph-node-procedure-versus-follow-up-a-dutch-randomized-controlled-multicentre-trial-boog-2013-08
#19
L M van Roozendaal, M L G Vane, T van Dalen, J A van der Hage, L J A Strobbe, L J Boersma, S C Linn, M B I Lobbes, P M P Poortmans, V C G Tjan-Heijnen, K K B T Van de Vijver, J de Vries, A H Westenberg, A G H Kessels, J H W de Wilt, M L Smidt
BACKGROUND: Studies showed that axillary lymph node dissection can be safely omitted in presence of positive sentinel lymph node(s) in breast cancer patients treated with breast conserving therapy. Since the outcome of the sentinel lymph node biopsy has no clinical consequence, the value of the procedure itself is being questioned. The aim of the BOOG 2013-08 trial is to investigate whether the sentinel lymph node biopsy can be safely omitted in clinically node negative breast cancer patients treated with breast conserving therapy...
July 1, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28662956/tranexamic-acid-in-knee-surgery-study-a-multicentered-randomized-controlled-trial
#20
Marinus D J Stowers, James Aoina, Andrew Vane, Vaughan Poutawera, Andrew G Hill, Jacob T Munro
BACKGROUND: Postoperative anemia following elective arthroplasty can lead to prolonged hospital stay and delays in rehabilitation and is often poorly tolerated in patients with cardiovascular disease. Tranexamic acid (TXA) has been shown to reduce perioperative blood loss in total knee arthroplasty (TKA). However, questions over its optimal route of administration remain. METHODS: A double-blinded, placebo, multicentered, randomized, controlled trial investigating the efficacy of topical and systemic routes of a single intraoperative dose (1...
November 2017: Journal of Arthroplasty
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