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https://www.readbyqxmd.com/read/28923698/trends-of-inguinal-hernia-repairs-performed-for-recurrence-in-the-united-states
#1
Brittany L Murphy, Daniel S Ubl, Jianying Zhang, Elizabeth B Habermann, David R Farley, Keith Paley
BACKGROUND: One of the main complications of inguinal hernia repair continues to be recurrence. Commonly cited prior reports from relatively small studies estimate this rate to be 1% to 5% in the United States. Although some reports have found higher recurrence rates, they get little attention on the national stage or in other large studies. We sought to determine the trend of inguinal hernia repairs performed for recurrence over time using large national databases. METHODS: We identified patients aged ≥18 years who underwent inguinal hernia repair from three sources: the Premier database (January 2010 to September 2015), the American College of Surgeons National Surgical Quality Improvement Program database (January 2005 to December 2014), and the Mayo Clinic institutions (January 2005 to December 2014)...
September 15, 2017: Surgery
https://www.readbyqxmd.com/read/28878691/spontaneous-preterm-birth-is-associated-with-differential-expression-of-vaginal-metabolites-by-lactobacilli-dominated-microflora
#2
Graham P Stafford, Jennifer L Parker, Emmanuel Amabebe, James Kistler, Steven Reynolds, Victoria Stern, Martyn Paley, Dilly O C Anumba
A major challenge in preventing preterm birth (PTB) is identifying women at greatest risk. This pilot study prospectively examined the differences in vaginal microbiota and metabolite profiles of women who delivered prematurely compared to their term counterparts in a cohort of asymptomatic (studied at 20-22, n = 80; and 26-28 weeks, n = 41) and symptomatic women (studied at 24-36 weeks, n = 37). Using 16S rRNA sequencing, the vaginal microbiota from cervicovaginal fluid samples was characterized into five Community State Types (CST) dominated by Lactobacillus spp...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28846406/ball-and-socket-assembly-of-binary-superatomic-solids-containing-trinuclear-nickel-cluster-cations-and-fulleride-anions
#3
Jessica L Shott, Matthew B Freeman, Nemah-Allah Saleh, Daniel S Jones, Daniel W Paley, Christopher Bejger
The superlattice structures of hierarchical cluster solids are dictated by short-range interactions between constituent building blocks. Here we show that shape complementary sites, as well as halogen and chalcogen bonding between exposed capping ligands and fullerides, govern the packing arrangement of the resulting binary solids. Four new superatomic solids, [Ni3(μ3-I)2(μ2-dppm)3(+)](C60(•-)) (1·C60), [Ni3(μ3-I)2(μ2-dppm)3(+)](C70(-))2 (1·C70), [Ni3(μ3-Te)2(μ2-dppm)3(+)](C60(•-)) (2·C60), and [Ni3(μ3-Te)2(μ2-dppm)3](C70(-))2 (2·C70), (dppm = Ph2PCH2PPh2) were prepared and crystallized from solution...
August 28, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28845533/scalable-dip-and-dry-fabrication-of-a-wide-angle-plasmonic-selective-absorber-for-high-efficiency-solar-thermal-energy-conversion
#4
Jyotirmoy Mandal, Derek Wang, Adam C Overvig, Norman N Shi, Daniel Paley, Amirali Zangiabadi, Qian Cheng, Katayun Barmak, Nanfang Yu, Yuan Yang
A galvanic-displacement-reaction-based, room-temperature "dip-and-dry" technique is demonstrated for fabricating selectively solar-absorbing plasmonic-nanoparticle-coated foils (PNFs). The technique, which allows for facile tuning of the PNFs' spectral reflectance to suit different radiative and thermal environments, yields PNFs which exhibit excellent, wide-angle solar absorptance (0.96 at 15°, to 0.97 at 35°, to 0.79 at 80°), and low hemispherical thermal emittance (0.10) without the aid of antireflection coatings...
August 28, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28829133/weaving-nanoscale-cloth-through-electrostatic-templating
#5
Anouck M Champsaur, Cécile Mézière, Magali Allain, Daniel W Paley, Michael L Steigerwald, Colin Nuckolls, Patrick Batail
Here we disclose a simple route to nanoscopic 2D woven structures reminiscent of the methods used to produce macroscopic textiles. We find that the same principles used in macroscopic weaving can be applied on the nanoscale to create two-dimensional molecular cloth from polymeric strands, a molecular thread. The molecular thread is composed of Co6Se8(PEt3)4L2 superatoms that are bridged with L = benzene bis-1,4-isonitrile to form polymer strands. As the superatoms that make up the polymer chain are electrochemically oxidized, they are electrostatically templated by a nanoscale anion, the tetragonal Lindqvist polyoxometalate Mo6O19(2-)...
August 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28806090/phonon-speed-not-scattering-differentiates-thermal-transport-in-lead-halide-perovskites
#6
Giselle A Elbaz, Wee-Liat Ong, Evan A Doud, Philip Kim, Daniel W Paley, Xavier Roy, Jonathan A Malen
Thermal management plays a critical role in the design of solid state materials for energy conversion. Lead halide perovskites have emerged as promising candidates for photovoltaic, thermoelectric, and optoelectronic applications, but their thermal properties are still poorly understood. Here, we report on the thermal conductivity, elastic modulus, and sound speed of a series of lead halide perovskites MAPbX3 (X = Cl, Br, I), CsPbBr3, and FAPbBr3 (MA = methylammonium, FA = formamidinium). Using frequency domain thermoreflectance, we find that the room temperature thermal conductivities of single crystal lead halide perovskites range from 0...
September 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/28805817/room-temperature-current-blockade-in-atomically-defined-single-cluster-junctions
#7
Giacomo Lovat, Bonnie Choi, Daniel W Paley, Michael L Steigerwald, Latha Venkataraman, Xavier Roy
Fabricating nanoscopic devices capable of manipulating and processing single units of charge is an essential step towards creating functional devices where quantum effects dominate transport characteristics. The archetypal single-electron transistor comprises a small conducting or semiconducting island separated from two metallic reservoirs by insulating barriers. By enabling the transfer of a well-defined number of charge carriers between the island and the reservoirs, such a device may enable discrete single-electron operations...
August 14, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28799752/tuning-singlet-fission-in-%C3%AF-bridge-%C3%AF-chromophores
#8
Elango Kumarasamy, Samuel N Sanders, Murad J Y Tayebjee, Amir Asadpoordarvish, Timothy J H Hele, Eric G Fuemmeler, Andrew B Pun, Lauren M Yablon, Jonathan Z Low, Daniel W Paley, Jacob C Dean, Bonnie Choi, Gregory D Scholes, Michael L Steigerwald, Nandini Ananth, Dane R McCamey, Matthew Y Sfeir, Luis M Campos
We have designed a series of pentacene dimers separated by homoconjugated or nonconjugated bridges that exhibit fast and efficient intramolecular singlet exciton fission (iSF). These materials are distinctive among reported iSF compounds because they exist in the unexplored regime of close spatial proximity but weak electronic coupling between the singlet exciton and triplet pair states. Using transient absorption spectroscopy to investigate photophysics in these molecules, we find that homoconjugated dimers display desirable excited-state dynamics, with significantly reduced recombination rates as compared to conjugated dimers with similar singlet fission rates...
September 1, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28799199/refining-moral-agency-insights-from-moral-psychology-and-moral-philosophy
#9
Aimee Milliken
Research in moral psychology has recently raised questions about the impact of context and the environment on the way the human mind works. In a 2012 call to action, Paley wrote: "If some of the conclusions arrived at by moral psychologists are true, they are directly relevant to the way nurses think about moral problems, and present serious challenges to favoured concepts in nursing ethics, such as the ethics of care, virtue, and the unity of the person" (p. 80). He urges nurse ethicists and scholars to evaluate the impact these findings may have for moral theory...
August 11, 2017: Nursing Philosophy: An International Journal for Healthcare Professionals
https://www.readbyqxmd.com/read/28777885/dimerization-of-endohedral-fullerene-in-a-superatomic-crystal
#10
Anastasia Voevodin, Laura Abella, Edison Castro, Daniel W Paley, Luis M Campos, Antonio Rodríguez-Fortea, Josep M Poblet, Luis Echegoyen, Xavier Roy
We describe a solid state material created from the reaction of Ni9 Te6 (PEt3 )8 and Lu3 N@C80 . The resulting superatomic crystal, [Ni12 Te12 (PEt3 )8 ]2 [(Lu3 N@C80 )2 ], contains dimers of Lu3 N@C80 that form upon reduction of the fullerene through a single C-C bond at the triple hexagon junctions. The encapsulated Lu3 N cluster displays an unprecedented orientation that is collinear and coplanar with the intercage carbon bond. Density functional theory calculations rationalize this unique bonding and relative orientation of the Lu3 N clusters...
August 4, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28738986/pilot-testing-fall-tips-tailoring-interventions-for-patient-safety-a-patient-centered-fall-prevention-toolkit
#11
Patricia C Dykes, Megan Duckworth, Stephanie Cunningham, Sasha Dubois, Melissa Driscoll, Zinnia Feliciano, Michael Ferrazzi, Farah E Fevrin, Stephanie Lyons, Mary Ellen Lindros, Allison Monahan, Matthew M Paley, Saby Jean-Pierre, Maureen Scanlan
BACKGROUND: Patient falls during an acute hospitalization cause injury, reduced mobility, and increased costs. The laminated paper Fall TIPS Toolkit (Fall TIPS) provides clinical decision support at the bedside by linking each patient's fall risk assessment with evidence-based interventions. Strategies were needed to integrate this evidence into clinical practice. METHODS: The Institute for Healthcare Improvement's Framework for Spread is the conceptual model for pilot implementation of Fall TIPS at Brigham and Women's Hospital (BWH; Boston) and Montefiore Medical Center (MMC; Bronx, New York)...
August 2017: Joint Commission Journal on Quality and Patient Safety
https://www.readbyqxmd.com/read/28734494/bone-transport-versus-acute-shortening-for-the-management-of-infected-tibial-non-unions-with-bone-defects
#12
Kevin Tetsworth, Cengiz Sen, John E Herzenberg, Matthew Jaffe, Dean C Maar, Vaida Glatt, Dror Paley, Erik Hohmann
INTRODUCTION: This study compared bone transport to acute shortening/lengthening in a series of infected tibial segmental defects from 3 to 10cm in length. METHODS: In a retrospective comparative study 42 patients treated for infected tibial non-union with segmental bone loss measuring between 3 and 10cm were included. Group A was treated with bone transport and Group B with acute shortening/lengthening. All patients were treated by Ilizarov methods for gradual correction as bi-focal or tri-focal treatment; the treating surgeon selected either transport or acute shortening based on clinical considerations...
July 12, 2017: Injury
https://www.readbyqxmd.com/read/28712143/reliability-of-the-echomri-infants-system-for-water-and-fat-measurements-in-newborns
#13
Tatiana Toro-Ramos, Charles Paley, William W Wong, F Xavier Pi-Sunyer, Wen W Yu, John Thornton, Dympna Gallagher
OBJECTIVE: The precision and accuracy of a quantitative magnetic resonance (EchoMRI Infants) system in newborns were determined. METHODS: Canola oil and drinking water phantoms (increments of 10 g to 1.9 kg) were scanned four times. Instrument reproducibility was assessed from three scans (within 10 minutes) in 42 healthy term newborns (12-70 hours post birth). Instrument precision was determined from the coefficient of variation (CV) of repeated scans for total water, lean mass, and fat measures for newborns and the mean difference between weight and measurement for phantoms...
July 16, 2017: Obesity
https://www.readbyqxmd.com/read/28693513/multiplier-method-may-be-unreliable-to-predict-the-timing-of-temporary-hemiepiphysiodesis-for-coronal-angular-deformity
#14
REVIEW
Zhenkai Wu, Jing Ding, Dahang Zhao, Li Zhao, Hai Li, Jianlin Liu
BACKGROUND AND PURPOSES: The multiplier method was introduced by Paley to calculate the timing for temporary hemiepiphysiodesis. However, this method has not been verified in terms of clinical outcome measure. We aimed to (1) predict the rate of angular correction per year (ACPY) at the various corresponding ages by means of multiplier method and verify the reliability based on the data from the published studies and (2) screen out risk factors for deviation of prediction. METHODS: A comprehensive search was performed in the following electronic databases: Cochrane, PubMed, and EMBASE™...
July 10, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28690469/ankle-reconstruction-in-fibular-hemimelia-new-approach
#15
Hany Hefny, ElHussein M Elmoatasem, Mahmoud Mahran, Tamer Fayyad, Mohamed A Elgebeily, Ahmed Mansour, Mamdouh Hefny
BACKGROUND: Fibular hemimelia is a congenital disorder that is characterized by the absence of the fibula that could be either partial or complete. Successful management aims to restore normal weight bearing and normal limb length. The introduction of the Ilizarov method of limb lengthening has provided an attractive alternative to amputation. During lengthening, the tight posterolateral soft-tissue structures, the thick fibrous fibular band, and the shortened Achilles tendon become tighter and transfer a valgus force to the talus and calcaneus, further aggravating the deformity...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28659585/evidence-for-rapid-oxidative-phosphorylation-and-lactate-fermentation-in-motile-human-sperm-by-hyperpolarized-13-c-magnetic-resonance-spectroscopy
#16
Steven Reynolds, Nurul Fadhlina Bt Ismail, Sarah J Calvert, Allan A Pacey, Martyn N J Paley
Poor sperm motility is a common cause of male infertility for which there are no empirical therapies. Sperm motility is powered by adenosine triphosphate but the relative importance of lactate fermentation and Oxidative Phosphorylation (OxPhos) is debated. To study the relationship between energy metabolism and sperm motility we used dissolution Dynamic Nuclear Polarization (dDNP) for the first time to show the rapid conversion of (13)C1-pyruvate to lactate and bicarbonate, indicating active glycolytic and OxPhos metabolism in sperm...
June 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645704/reconstruction-of-large-diaphyseal-bone-defect-by-simplified-bone-transport-over-nail-technique-a-7-case-series
#17
F Ferchaud, L Rony, F Ducellier, P Cronier, V Steiger, L Hubert
INTRODUCTION: Reconstruction of large diaphyseal bone defect is complex and the complications rate is high. This study aimed to assess a simplified technique of segmental bone transport by monorail external fixator over an intramedullary nail. MATERIAL AND METHOD: A prospective study included 7 patients:2 femoral and 5 tibial defects.Mean age was 31 years (range, 16-61 years). Mean follow-up was 62 months (range, 46-84 months). Defects were post-traumatic, with a mean length of 7...
June 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28644674/constraints-on-oscillation-parameters-from-%C3%AE-_-e-appearance-and-%C3%AE-_-%C3%AE-disappearance-in-nova
#18
P Adamson, L Aliaga, D Ambrose, N Anfimov, A Antoshkin, E Arrieta-Diaz, K Augsten, A Aurisano, C Backhouse, M Baird, B A Bambah, K Bays, B Behera, S Bending, R Bernstein, V Bhatnagar, B Bhuyan, J Bian, T Blackburn, A Bolshakova, C Bromberg, J Brown, G Brunetti, N Buchanan, A Butkevich, V Bychkov, M Campbell, E Catano-Mur, S Childress, B C Choudhary, B Chowdhury, T E Coan, J A B Coelho, M Colo, J Cooper, L Corwin, L Cremonesi, D Cronin-Hennessy, G S Davies, J P Davies, P F Derwent, R Dharmapalan, P Ding, Z Djurcic, E C Dukes, H Duyang, S Edayath, R Ehrlich, G J Feldman, M J Frank, M Gabrielyan, H R Gallagher, S Germani, T Ghosh, A Giri, R A Gomes, M C Goodman, V Grichine, R Group, D Grover, B Guo, A Habig, J Hartnell, R Hatcher, A Hatzikoutelis, K Heller, A Himmel, A Holin, J Hylen, F Jediny, M Judah, G K Kafka, D Kalra, S M S Kasahara, S Kasetti, R Keloth, L Kolupaeva, S Kotelnikov, I Kourbanis, A Kreymer, A Kumar, S Kurbanov, K Lang, W M Lee, S Lin, J Liu, M Lokajicek, J Lozier, S Luchuk, K Maan, S Magill, W A Mann, M L Marshak, K Matera, V Matveev, D P Méndez, M D Messier, H Meyer, T Miao, W H Miller, S R Mishra, R Mohanta, A Moren, L Mualem, M Muether, S Mufson, R Murphy, J Musser, J K Nelson, R Nichol, E Niner, A Norman, T Nosek, Y Oksuzian, A Olshevskiy, T Olson, J Paley, P Pandey, R B Patterson, G Pawloski, D Pershey, O Petrova, R Petti, S Phan-Budd, R K Plunkett, R Poling, B Potukuchi, C Principato, F Psihas, A Radovic, R A Rameika, B Rebel, B Reed, D Rocco, P Rojas, V Ryabov, K Sachdev, P Sail, O Samoylov, M C Sanchez, R Schroeter, J Sepulveda-Quiroz, P Shanahan, A Sheshukov, J Singh, J Singh, P Singh, V Singh, J Smolik, N Solomey, E Song, A Sousa, K Soustruznik, M Strait, L Suter, R L Talaga, M C Tamsett, P Tas, R B Thayyullathil, J Thomas, X Tian, S C Tognini, J Tripathi, A Tsaris, J Urheim, P Vahle, J Vasel, L Vinton, A Vold, T Vrba, B Wang, M Wetstein, D Whittington, S G Wojcicki, J Wolcott, N Yadav, S Yang, J Zalesak, B Zamorano, R Zwaska
Results are reported from an improved measurement of ν_{μ}→ν_{e} transitions by the NOvA experiment. Using an exposure equivalent to 6.05×10^{20} protons on target, 33 ν_{e} candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA ν_{μ} disappearance data and external constraints from reactor experiments on sin^{2}2θ_{13}, the hypothesis of inverted mass hierarchy with θ_{23} in the lower octant is disfavored at greater than 93% C.L. for all values of δ_{CP}.
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28601279/escitalopram-or-novel-herbal-treatments-differentially-alter-cytokine-and-behavioral-responses-to-immune-challenge
#19
Ronit Avitsur, Shalva Paley, Motty Franko, Nizan Wolff, Nir Eyal, Ravid Doron
Studies suggest that inflammation is involved in the pathophysiology of depression. The present study examined the effects of the commonly used antidepressant escitalopram, in comparison with a novel herbal treatment (NHT) consisted of Crataegus pinnatifida, Triticum aestivum, Lilium brownii and Fructus Ziziphus jujuba, on cytokine and behavioral responses to an immune challenge. Escitalopram augmented lipopolysaccharide-induced tumor necrosis factor (TNF)-α peripheral secretion and induced a faster kinetics of interleukin-1β secretion, while marginally reducing sickness behavior...
August 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28558233/cationic-copper-hydride-clusters-arising-from-oxidation-of-ph3p-6cu6h6
#20
Shuo Liu, Michael S Eberhart, Jack R Norton, Xiaodong Yin, Michelle C Neary, Daniel W Paley
Transfer of the first electron from (Ph3P)6Cu6H6 to Cp*2Fe(+) is fast (k > 10(6) L·mol(-1)·s(-1)). Transfer of a second electron to the same oxidant has a much lower thermodynamic driving force and is considerably slower, with k = 9.29(4) × 10(3) L·mol(-1)·s(-1). The second oxidation leads to the formation of [(Ph3P)6Cu6H5](+). The structure of [(Ph3P)6Cu6H5](+) has been confirmed by its conversion back to (Ph3P)6Cu6H6 and by microanalysis; X-ray diffraction shows that the complex is a bitetrahedron in the solid state...
June 6, 2017: Journal of the American Chemical Society
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