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https://www.readbyqxmd.com/read/28938764/nutrient-composition-and-retention-in-whole-turkeys-with-and-without-added-solution
#1
J R Williams, J M Roseland, Q V Nguyen, J C Howe, K Y Patterson, P R Pehrsson, L D Thompson
Whole turkeys sold in retail outlets are typically processed with added solutions to improve their taste and tenderness. The purpose of this study was to evaluate the nutrient composition of whole turkeys with and without added solution, and to update the nutrient profile of turkey for the USDA National Nutrient Database for Standard Reference. Eleven pairs of turkeys with added solution were obtained from statistically representative retail outlets using a nationwide sampling plan developed for USDA's National Food and Nutrient Analysis Program; 4 pairs of turkeys without added solution were purchased from local food outlets...
October 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28935328/valve-in-valve-transcatheter-aortic-valve-implantation-a-novel-approach-to-treat-paravalvular-leak
#2
Pranav Loyalka, Kelsey B Montgomery, Tom C Nguyen, Richard W Smalling, Melissa Howe, Keshava Rajagopal
Enlarging or "cracking" a surgical stented bioprosthetic valve during valve-in-valve transcatheter aortic valve implantation (TAVI) increases orifice area, reducing transvalvular energy losses. We demonstrate that TAVI with valve cracking can be used to treat paravalvular leak (PVL) while providing optimal aortic valve physiology. A 61-year-old woman with a history of aortic valve replacement with a stented bioprosthesis presented with heart failure. Transthoracic echocardiography revealed severe prosthetic aortic valve stenosis with PVL and severe regurgitation...
October 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28933161/identifying-the-structural-basis-for-the-increased-stability-of-the-solid-electrolyte-interphase-formed-on-silicon-with-the-additive-fluoroethylene-carbonate
#3
Yanting Jin, Nis-Julian H Kneusels, Pieter C M M Magusin, Gunwoo Kim, Elizabeth Castillo-Martinez, Lauren E Marbella, Rachel N Kerber, Duncan J Howe, Subhradip Paul, Tao Liu, Clare P Grey
To elucidate the role of fluoroethylene carbonate (FEC) as an additive in the standard carbonate-based electrolyte for Li-ion batteries, the solid electrolyte interphase (SEI) formed during electrochemical cycling on silicon anodes was analyzed with a combination of solution and solid-state NMR techniques, including dynamic nuclear polarization. To facilitate characterization via 1D and 2D NMR, we synthesized (13)C-enriched FEC, ultimately allowing a detailed structural assignment of the organic SEI. We find that the soluble PEO-like linear oligomeric electrolyte breakdown products that are observed after cycling in the standard ethylene carbonate (EC)-based electrolyte are suppressed in the presence of 10 vol % FEC additive...
September 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28923122/feed-in-summer-rest-in-winter-microbial-carbon-utilization-in-forest-topsoil
#4
Lucia Žifčáková, Tomáš Větrovský, Vincent Lombard, Bernard Henrissat, Adina Howe, Petr Baldrian
BACKGROUND: Evergreen coniferous forests contain high stocks of organic matter. Significant carbon transformations occur in litter and soil of these ecosystems, making them important for the global carbon cycle. Due to seasonal allocation of photosynthates to roots, carbon availability changes seasonally in the topsoil. The aim of this paper was to describe the seasonal differences in C source utilization and the involvement of various members of soil microbiome in this process. RESULTS: Here, we show that microorganisms in topsoil encode a diverse set of carbohydrate-active enzymes, including glycoside hydrolases and auxiliary enzymes...
September 18, 2017: Microbiome
https://www.readbyqxmd.com/read/28863666/practical-methods-for-generating-alternating-magnetic-fields-for-biomedical-research
#5
Michael G Christiansen, Christina M Howe, David C Bono, David J Perreault, Polina Anikeeva
Alternating magnetic fields (AMFs) cause magnetic nanoparticles (MNPs) to dissipate heat while leaving surrounding tissue unharmed, a mechanism that serves as the basis for a variety of emerging biomedical technologies. Unfortunately, the challenges and costs of developing experimental setups commonly used to produce AMFs with suitable field amplitudes and frequencies present a barrier to researchers. This paper first presents a simple, cost-effective, and robust alternative for small AMF working volumes that uses soft ferromagnetic cores to focus the flux into a gap...
August 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28860174/ubc-nepal-expedition-acute-alterations-in-sympathetic-nervous-activity-do-not-influence-brachial-artery-endothelial-function-at-sea-level-and-high-altitude
#6
Michael M Tymko, Joshua C Tremblay, Craig D Steinback, Jonathan P Moore, Alex B Hansen, Alexander Patrician, Connor A Howe, Ryan L Hoiland, Daniel J Green, Philip N Ainslie
Evidence indicates that increases in sympathetic nervous activity (SNA), and acclimatization to high-altitude (HA), may reduce endothelial function as assessed by brachial artery flow-mediated dilatation (FMD); however, it is unclear whether such changes in FMD are due to direct vascular constraint, or consequential altered hemodynamics (e.g. shear stress) associated with increased SNA as a consequence of exposure to HA. We hypothesized that: 1) at rest, SNA would be elevated and FMD would be reduced at HA compared to sea-level (SL); and 2) at SL and HA, FMD would be reduced when SNA was acutely increased, and elevated when SNA was acutely decreased...
August 31, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28820271/cam-deformities-and-limited-hip-range-of-motion-are-associated-with-early-osteoarthritic-changes-in-adolescent-athletes-a-prospective-matched-cohort-study
#7
Cody C Wyles, Germán A Norambuena, Benjamin M Howe, Dirk R Larson, Bruce A Levy, Brandon J Yuan, Robert T Trousdale, Rafael J Sierra
BACKGROUND: The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE: To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28819184/black-phosphorus-ink-formulation-for-inkjet-printing-of-optoelectronics-and-photonics
#8
Guohua Hu, Tom Albrow-Owen, Xinxin Jin, Ayaz Ali, Yuwei Hu, Richard C T Howe, Khurram Shehzad, Zongyin Yang, Xuekun Zhu, Robert I Woodward, Tien-Chun Wu, Henri Jussila, Jiang-Bin Wu, Peng Peng, Ping-Heng Tan, Zhipei Sun, Edmund J R Kelleher, Meng Zhang, Yang Xu, Tawfique Hasan
Black phosphorus is a two-dimensional material of great interest, in part because of its high carrier mobility and thickness dependent direct bandgap. However, its instability under ambient conditions limits material deposition options for device fabrication. Here we show a black phosphorus ink that can be reliably inkjet printed, enabling scalable development of optoelectronic and photonic devices. Our binder-free ink suppresses coffee ring formation through induced recirculating Marangoni flow, and supports excellent consistency (< 2% variation) and spatial uniformity (< 3...
August 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28769608/cyphastrea-salae-a-new-species-of-hard-coral-from-lord-howe-island-australia-scleractinia-merulinidae
#9
Andrew H Baird, Mia O Hoogenboom, Danwei Huang
A new zooxanthellate reef-dwelling scleractinian coral species, Cyphastrea salaesp. n. (Scleractinia, Merulinidae), is described from Lord Howe Island Australia. The new species can be distinguished morphologically from the only other congeneric species on Lord Howe Island, C. microphthalma, by the number of primary septa (12 vs. 10) and the much taller corallites (mean ± SE: 1.0 ± 0.07 mm v 0.4 ± 0.04 mm). The relationship of C. salae to four of the other eleven currently accepted species in the genus was explored through analyses of nuclear (28S rDNA) and mitochondrial (noncoding intergenic region) gene sequences...
2017: ZooKeys
https://www.readbyqxmd.com/read/28763722/glutamate-metabolism-in-temporal-lobe-epilepsy-as-revealed-by-dynamic-proton-mrs-following-the-infusion-of-u-13-c-glucose
#10
Brenda L Bartnik-Olson, Daniel Ding, John Howe, Amul Shah, Travis Losey
Focal metabolic dysfunction commonly observed in temporal lobe epilepsy (TLE), and is associated with the development of medical intractability and neurocognitive deficits. It has not been established if this dysfunction is due to cell loss or biochemical dysfunction in metabolic pathways. To explore this question, dynamic (1)H MRS following an infusion of [U(13)- C] glucose was performed to measure glutamate (Glu) metabolism. Subjects (n=6) showed reduced Glu levels (p<0.01) in the ipsilateral mesial temporal lobe (MTL) compared with controls (n=4)...
July 23, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28754692/an-in-vitro-tag-and-modify-protein-sample-generation-method-for-singlemolecule-fret
#11
Kambiz M Hamadani, Jesse Howe, Madeleine K Jensen, Peng Wu, Jamie H D Cate, Susan Marqusee
Biomolecular systems exhibit many dynamic and biologically relevant properties, such as conformational fluctuations, multistep catalysis, transient interactions, folding, and allosteric structural transitions. These properties are challenging to detect and engineer using standard ensemble-based techniques. To address this drawback, single-molecule methods offer a way to access conformational distributions, transient states, and asynchronous dynamics inaccessible to these standard techniques. Fluorescence-based single molecule approaches are parallelizable and compatible with multiplexed detection; to date, however, they have remained limited to serial screens of small protein libraries...
July 28, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28738733/cases-of-mortality-in-little-penguins-eudyptula-minor-in-new-zealand-associated-with-avian-malaria
#12
D C Sijbranda, S Hunter, L Howe, B Lenting, L Argilla, B D Gartrell
CASE HISTORY A little penguin (Eudyptula minor) of wild origin, in captivity at Wellington Zoo, became inappetent and lethargic in March 2013. Despite supportive care in the zoo's wildlife hospital, the bird died within 24 hours. CLINICAL FINDINGS Weight loss, dehydration, pale mucous membranes, weakness, increased respiratory effort and biliverdinuria were apparent on physical examination. Microscopic evaluation of blood smears revealed intra-erythrocytic stages of Plasmodium spp. and a regenerative reticulocytosis in the absence of anaemia...
August 6, 2017: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/28721304/imaging-features-of-paget-s-disease-on-11-c-choline-pet-ct
#13
Cameron E Leitch, Ajit H Goenka, Benjamin M Howe, Stephen M Broski
The purpose of this study was to investigate the appearance of Paget's disease (PD) on (11)C choline PET/CT and correlate these findings to serum alkaline phosphatase (ALP) level and skeletal scintigraphy. With IRB approval, our institutional (11)C choline PET/CT database (9/2005-6/2015) was searched for patients with PD. Site of osseous involvement, CT appearance, and multiple semi-quantitative measures were measured and correlated with ALP and degree of uptake on bone scan. Our search identified 10 males (mean age 79...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28718204/detrital-shadows-estuarine-food-web-connectivity-depends-on-fluvial-influence-and-consumer-feeding-mode
#14
Emily Howe, Charles A Simenstad, Andrea Ogston
We measured the influence of landscape setting on estuarine food web connectivity in five macrotidal Pacific Northwest estuaries across a gradient of freshwater influence. We used stable isotopes (δ(13) C, δ(15) N, δ(34) S) in combination with a Bayesian mixing model to trace primary producer contributions to suspension- and deposit-feeding bivalve consumers (Mytilus trossulus and Macoma nasuta) transplanted into three estuarine vegetation zones: emergent marsh, mudflat, Japanese eelgrass (Zostera japonica), and native eelgrass (Zostera marina)...
July 17, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28715479/retention-and-recruitment-of-general-dentists-in-an-adjunct-teaching-model-a-pilot-study
#15
Brian J Howe, Verasathpurush Allareddy, Christopher A Barwacz, I Reed Parker, Cheryl L Straub-Morarend, David C Holmes
PURPOSE/OBJECTIVES: Retention and recruitment of part time clinical adjunct faculty members in dental education is becoming increasingly difficult as dental schools come to rely on this workforce for their increased involvement in clinical education. Contributing factors include full time faculty shortage, aging workforce, practice and student debt, practice and family commitments, and financial compensation. This study attempts to ascertain barriers to teaching so appropriate strategies can be formulated to address this issue...
2017: PloS One
https://www.readbyqxmd.com/read/28693808/nuclear-reprocessing-related-radiocarbon-14-c-uptake-into-uk-marine-mammals
#16
Kieran M Tierney, Graham K P Muir, Gordon T Cook, Johanna J Heymans, Gillian MacKinnon, John A Howe, Sheng Xu, Andrew Brownlow, Nicholas J Davison, Mariel Ten Doeschate, Rob Deaville
To evaluate the transfer of Sellafield-derived radiocarbon ((14)C) to top predators in the UK marine environment, (14)C activities were examined in stranded marine mammals. All samples of harbour porpoise (Phocoena phocoena) obtained from the Irish Sea showed (14)C enrichment above background. Mammal samples obtained from the West of Scotland, including harbour porpoise, grey seals (Halichoerus grypus) and harbour seals (Phoca vitulina) showed (14)C enrichment but to a lesser extent. This study demonstrates, for the first time, enriched (14)C is transferred through the marine food web to apex predators as a consequence of ongoing nuclear reprocessing activities at Sellafield...
July 7, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28691648/use-of-a-real-time-pcr-to-explore-the-intensity-of-plasmodium-spp-infections-in-native-endemic-and-introduced-new-zealand-birds
#17
D C Sijbranda, B D Gartrell, Z L Grange, L Howe
Avian malaria, caused by Plasmodium spp., is an emerging disease in New Zealand (NZ). To detect Plasmodium spp. infection and quantify parasite load in NZ birds, a real-time polymerase chain reaction (PCR) (qPCR) protocol was used and compared with a nested PCR (nPCR) assay. A total of 202 blood samples from 14 bird species with known nPCR results were tested. The qPCR prevalences for introduced, native and endemic species groups were 70, 11 and 21%, respectively, with a sensitivity and specificity of 96·7 and 98%, respectively, for the qPCR, while a sensitivity and specificity of 80·9 and 85·4% were determined for the nPCR...
July 10, 2017: Parasitology
https://www.readbyqxmd.com/read/28691378/coexistence-of-low-damping-and-strong-magnetoelastic-coupling-in-epitaxial-spinel-ferrite-thin-films
#18
Satoru Emori, Benjamin A Gray, Hyung-Min Jeon, Joseph Peoples, Maxwell Schmitt, Krishnamurthy Mahalingam, Madelyn Hill, Michael E McConney, Matthew T Gray, Urusa S Alaan, Alexander C Bornstein, Padraic Shafer, Alpha T N'Diaye, Elke Arenholz, Greg Haugstad, Keng-Yuan Meng, Fengyuan Yang, Dongyao Li, Sushant Mahat, David G Cahill, Pallavi Dhagat, Albrecht Jander, Nian X Sun, Yuri Suzuki, Brandon M Howe
Low-loss magnetization dynamics and strong magnetoelastic coupling are generally mutually exclusive properties due to opposing dependencies on spin-orbit interactions. So far, the lack of low-damping, magnetostrictive ferrite films has hindered the development of power-efficient magnetoelectric and acoustic spintronic devices. Here, magnetically soft epitaxial spinel NiZnAl-ferrite thin films with an unusually low Gilbert damping parameter (<3 × 10(-3) ), as well as strong magnetoelastic coupling evidenced by a giant strain-induced anisotropy field (≈1 T) and a sizable magnetostriction coefficient (≈10 ppm), are reported...
September 2017: Advanced Materials
https://www.readbyqxmd.com/read/28689316/higher-lipophilic-index-indicates-higher-risk-of-coronary-heart-disease-in-postmenopausal-women
#19
Qing Liu, Alice H Lichtenstein, Nirupa R Matthan, Chanelle J Howe, Matthew A Allison, Barbara V Howard, Lisa W Martin, Carolina Valdiviezo, JoAnn E Manson, Simin Liu, Charles B Eaton
Fatty acids (FAs) are essential components of cell membranes and play an integral role in membrane fluidity. The lipophilic index [LI, defined as the sum of the products between FA levels and melting points (°C), divided by the total amount of FA: [Formula: see text]] is thought to reflect membrane and lipoprotein fluidity and may be associated with the risk of coronary heart disease (CHD). Therefore, we examined the associations of dietary and plasma phospholipid (PL) LI with CHD risk among postmenopausal women...
August 2017: Lipids
https://www.readbyqxmd.com/read/28663501/plant-diversity-increases-with-the-strength-of-negative-density-dependence-at-the-global-scale
#20
Joseph A LaManna, Scott A Mangan, Alfonso Alonso, Norman A Bourg, Warren Y Brockelman, Sarayudh Bunyavejchewin, Li-Wan Chang, Jyh-Min Chiang, George B Chuyong, Keith Clay, Richard Condit, Susan Cordell, Stuart J Davies, Tucker J Furniss, Christian P Giardina, I A U Nimal Gunatilleke, C V Savitri Gunatilleke, Fangliang He, Robert W Howe, Stephen P Hubbell, Chang-Fu Hsieh, Faith M Inman-Narahari, David Janík, Daniel J Johnson, David Kenfack, Lisa Korte, Kamil Král, Andrew J Larson, James A Lutz, Sean M McMahon, William J McShea, Hervé R Memiaghe, Anuttara Nathalang, Vojtech Novotny, Perry S Ong, David A Orwig, Rebecca Ostertag, Geoffrey G Parker, Richard P Phillips, Lawren Sack, I-Fang Sun, J Sebastián Tello, Duncan W Thomas, Benjamin L Turner, Dilys M Vela Díaz, Tomáš Vrška, George D Weiblen, Amy Wolf, Sandra Yap, Jonathan A Myers
Theory predicts that higher biodiversity in the tropics is maintained by specialized interactions among plants and their natural enemies that result in conspecific negative density dependence (CNDD). By using more than 3000 species and nearly 2.4 million trees across 24 forest plots worldwide, we show that global patterns in tree species diversity reflect not only stronger CNDD at tropical versus temperate latitudes but also a latitudinal shift in the relationship between CNDD and species abundance. CNDD was stronger for rare species at tropical versus temperate latitudes, potentially causing the persistence of greater numbers of rare species in the tropics...
June 30, 2017: Science
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