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https://www.readbyqxmd.com/read/28340526/an-experimental-study-on-flow-and-heat-transfer-characteristics-of-ethanol-polyalphaolefin-nanoemulsion-flowing-through-circular-minichannels
#1
Vu Trinh, Jiajun Xu
This work experimentally studied the convective flow and heat transfer characteristics of a novel nanostructured heat transfer fluid: "ethanol/polyalphaolefin nanoemulsion" flowing through 12 circular minichannels of 1-mm diameter each. Ethanol/polyalphaolefin nanoemulsion is a thermodynamically stable system formed by dispersing ethanol into a mixture of "polyalphaolefin (PAO)" and surfactants. In this study, ethanol/PAO nanoemulsion is used as the working fluid to study the effect of ethanol nanodroplets on its convective flow and heat transfer characteristics...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28340298/quantum-yield-of-nitrite-from-the-photolysis-of-aqueous-nitrate-above-300-nm
#2
Katherine Beem Benedict, Alexander S McFall, Cort Anastasio
Photolysis of nitrate (NO3(-)) produces reactive nitrogen and oxygen species via three different channels, forming: (1) nitrogen dioxide (NO2) and hydroxyl radical ((•)OH), (2) nitrite (NO2(-)) and oxygen atom (O((3)P)), and (3) peroxynitrite (ONOO(-)). These photoproducts are important oxidants and reactants in surface waters, atmospheric drops, and snowpacks. While the efficiency of the first channel, to form NO2, is well documented, a large range of values have been reported for the second channel, nitrite, above 300 nm...
March 24, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28340098/effect-of-fluoride-releasing-resin-composite-in-white-spot-lesions-prevention-a-single-centre-split-mouth-randomized-controlled-trial
#3
Mohannad M Alabdullah, Alaa Nabawia, Mowaffak A Ajaj, Humam Saltaji
Introduction: The objective of this two-arm split-mouth randomized trial, was to evaluate the ability of fluoride-releasing resin composite to prevent demineralization and white spot lesion (WSL) formation, during orthodontic treatment with fixed appliances. Methods: Patients needing comprehensive orthodontic treatment were randomly allocated into two groups, according to the half split-mouth technique. This trial examined a total of 300 teeth in each group: the control group, in which brackets were fixed with a non-fluoride-containing adhesive resin; and the intervention group, in which brackets were fixed with a fluoride-containing adhesive resin...
March 2, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28339382/menopausal-symptom-relief-and-side-effects-experienced-by-women-using-compounded-bioidentical-hormone-replacement-therapy-and-synthetic-conjugated-equine-estrogen-and-or-progestin-hormone-replacement-therapy-part-2
#4
Laura J Deleruyelle
The use of compounded bioidentical hormone replacement therapy by menopausal women has become a popular alternative to traditional synthetic conjugated equine estrogen and progestin hormone replacement therapy due to safety concerns raised by recent studies. However, due to the lack of randomized, large-scale trials to evaluate the efficacy and side-effect profile of compounded bioidentical hormone replacement therapy many healthcare providers are reluctant to prescribe such therapy. The purpose of this study was to compare women's menopausal symptom relief and side effects experienced when using compounded bioidentical hormone replacement therapy and traditional hormone replacement therapy...
November 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28339370/menopausal-symptom-relief-and-side-effects-experienced-by-women-using-bioidentical-hormone-replacement-therapy-and-synthetic-conjugated-equine-estrogen-and-or-progestin-hormone-replacement-therapy-part-1
#5
Laura J Deleruyelle
The use of compounded bioidentical hormone replacement therapy by menopausal women has become a popular alternative to traditional synthetic conjugated equine estrogen and progestin hormone replacement therapy due to safety concerns raised by recent studies. However, due to the lack of randomized, large-scale trials to evaluate the efficacy and side-effect profile of compounded bioidentical hormone replacement therapy many healthcare providers are reluctant to prescribe such therapy. The purpose of this study was to compare women's menopausal symptom relief and side effects experienced when using compounded bioidentical hormone replacement therapy and traditional hormone replacement therapy...
September 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28339273/search-for-electronic-recoil-event-rate-modulation-with-4-years-of-xenon100-data
#6
E Aprile, J Aalbers, F Agostini, M Alfonsi, F D Amaro, M Anthony, F Arneodo, P Barrow, L Baudis, B Bauermeister, M L Benabderrahmane, T Berger, P A Breur, A Brown, E Brown, S Bruenner, G Bruno, R Budnik, L Bütikofer, J Calvén, J M R Cardoso, M Cervantes, D Cichon, D Coderre, A P Colijn, J Conrad, J P Cussonneau, M P Decowski, P de Perio, P Di Gangi, A Di Giovanni, S Diglio, G Eurin, J Fei, A D Ferella, A Fieguth, D Franco, W Fulgione, A Gallo Rosso, M Galloway, F Gao, M Garbini, C Geis, L W Goetzke, Z Greene, C Grignon, C Hasterok, E Hogenbirk, R Itay, B Kaminsky, G Kessler, A Kish, H Landsman, R F Lang, D Lellouch, L Levinson, Q Lin, S Lindemann, M Lindner, J A M Lopes, A Manfredini, I Maris, T Marrodán Undagoitia, J Masbou, F V Massoli, D Masson, D Mayani, M Messina, K Micheneau, B Miguez, A Molinario, M Murra, J Naganoma, K Ni, U Oberlack, P Pakarha, B Pelssers, R Persiani, F Piastra, J Pienaar, V Pizzella, M-C Piro, G Plante, N Priel, L Rauch, S Reichard, C Reuter, A Rizzo, S Rosendahl, N Rupp, J M F Dos Santos, G Sartorelli, M Scheibelhut, S Schindler, J Schreiner, M Schumann, L Scotto Lavina, M Selvi, P Shagin, M Silva, H Simgen, M V Sivers, A Stein, D Thers, A Tiseni, G Trinchero, C Tunnell, H Wang, Y Wei, C Weinheimer, J Wulf, J Ye, Y Zhang
We report on a search for electronic recoil event rate modulation signatures in the XENON100 data accumulated over a period of 4 yr, from January 2010 to January 2014. A profile likelihood method, which incorporates the stability of the XENON100 detector and the known electronic recoil background model, is used to quantify the significance of periodicity in the time distribution of events. There is a weak modulation signature at a period of 431_{-14}^{+16} day in the low energy region of (2.0-5.8) keV in the single scatter event sample, with a global significance of 1...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28338833/a-humidity-shock-leads-to-rapid-temperature-dependent-changes-in-coffee-leaf-physiology-and-gene-expression
#7
El-Hadji Thioune, James McCarthy, Thomas Gallagher, Bruce Osborne
Climate change is expected to increase the frequency of above-normal atmospheric water deficits contemporaneous with periods of high temperatures. Here we explore alterations in physiology and gene expression in leaves of Coffea canephora Pierre ex A. Froehner caused by a sharp drop in relative humidity (RH) at three different temperatures. Both stomatal conductance (gs) and CO2 assimilation (A) measurements showed that gs and A values fell quickly at all temperatures after the transfer to low RH.  However, leaf relative water content measurements indicated that leaves nonetheless experienced substantial water losses, implying that stomatal closure and/or resupply of water was not fast enough to stop excessive evaporative losses...
February 8, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28338766/a-multi-proxy-assessment-of-dieback-causes-in-a-mediterranean-oak-species
#8
Michele Colangelo, J Julio Camarero, Giovanna Battipaglia, Marco Borghetti, Veronica De Micco, Tiziana Gentilesca, Francesco Ripullone
Drought stress causes forest dieback that is often explained by two interrelated mechanisms, namely hydraulic failure and carbon starvation. However, it is still unclear which functional and structural alterations, related to these mechanisms, predispose to dieback. Here we apply a multi-proxy approach for the characterization of tree structure (radial growth, wood anatomy) and functioning (δ13C, δ18O and non-structural carbohydrates (NSCs)) in tree rings before and after drought-induced dieback. We aim to discriminate which is the main mechanism and to assess which variables can act as early-warning proxies of drought-triggered damage...
February 9, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28338528/perceptual-mechanical-and-electromyographic-responses-to-different-relative-loads-in-the-parallel-squat
#9
Mark Chapman, Eneko Larumbe-Zabala, Mark Gosss-Sampson, Mark Colpus, N Travis Triplett, Fernando Naclerio
The effectiveness of the OMNI-RES (0-10) and the electromyographic signal for monitoring changes in the movement velocity was examined during a set to muscular failure using different percentages of one repetition maximum (1RM) in the parallel squat exercise (PSQ). Twelve males (26.3 ± 5.8 years) were evaluated on eight separate days with 48 hours of rest between sessions. After determining the 1RM value, participants underwent seven tests until achieving muscular failure with the following percentage ranges: 30 to <40%; 40 to <50%, 50 to <60%, 60% to <70%, 70 to <80%, 80 to <90% and >90%...
March 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28338477/osmotic-and-hemodynamic-effects-of-hypertonic-glucose-during-hemodialysis
#10
Daniel Schneditz, Stanisław Niemczyk, Notburga Sauseng, Isolde Bachler, Edda Zierler, Helmut Karl Lackner, Hildegard Hafner-Giessauf
It was the purpose to quantify the hemodynamic effects of a bolus of hypertonic glucose injected into the extracorporeal system in a group of stable and non-diabetic patients during hemodialysis (HD).Glucose and electrolytes were measured in frequent intervals. Arterial blood pressures and heart rates were continuously recorded by non-invasive vascular unloading technique. Beat-to-beat stroke volume, cardiac output, and total peripheral resistance were determined by Modelflow method. Relative blood volumes were continuously measured by ultrasonic and optical means...
March 22, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28338388/preferred-hip-strategy-during-landing-reduces-knee-abduction-moment-in-collegiate-female-soccer-players
#11
Anh-Dung Nguyen, Jeffrey B Taylor, Taylor G Wimbish, Jennifer L Keith, Kevin R Ford
CONTEXT: Hip focused interventions are aimed to decrease frontal plane knee loading related to anterior cruciate ligament (ACL) injuries. Whether a preferred hip landing strategy decreases frontal plane knee loading is unknown. OBJECTIVE: To determine if a preferred hip landing strategy during a drop vertical jump (DVJ) is utilized during a single leg landing (SLL) task and whether differences in frontal plane knee loading are consistent between a DVJ and a SLL task...
March 24, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28338053/optimal-array-of-sand-fences
#12
Izael A Lima, Ascânio D Araújo, Eric J R Parteli, José S Andrade, Hans J Herrmann
Sand fences are widely applied to prevent soil erosion by wind in areas affected by desertification. Sand fences also provide a way to reduce the emission rate of dust particles, which is triggered mainly by the impacts of wind-blown sand grains onto the soil and affects the Earth's climate. Many different types of fence have been designed and their effects on the sediment transport dynamics studied since many years. However, the search for the optimal array of fences has remained largely an empirical task...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337991/contrasting-influences-of-aerosols-on-cloud-properties-during-deficient-and-abundant-monsoon-years
#13
Nitin Patil, Prashant Dave, Chandra Venkataraman
Direct aerosol radiative forcing facilitates the onset of Indian monsoon rainfall, based on synoptic scale fast responses acting over timescales of days to a month. Here, we examine relationships between aerosols and coincident clouds over the Indian subcontinent, using observational data from 2000 to 2009, from the core monsoon region. Season mean and daily timescales were considered. The correlation analyses of cloud properties with aerosol optical depth revealed that deficient monsoon years were characterized by more frequent and larger decreases in cloud drop size and ice water path, but increases in cloud top pressure, with increases in aerosol abundance...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337917/micrometer-precise-determination-of-the-thin-electrolyte-layer-of-a-spectroelectrochemical-cell-by-microelectrode-approach-curves
#14
Dennis Hiltrop, Justus Masa, Alexander J R Botz, Armin Lindner, Wolfgang Schuhmann, Martin Muhler
A spectroelectrochemical cell is presented that allows investigations of electrochemical reactions by means of attenuated total reflection infrared (ATR-IR) spectroscopy. The electrode holder for the working (WE), counter and reference electrode as mounted in the IR spectrometer cause the formation of a thin electrolyte layer between the internal reflection element (IRE) and the surface of the WE. The thickness of this thin electrolyte layer (dTL) was estimated by performing a scanning electrochemical microscopy-(SECM) like approach of a Pt microelectrode (ME), which was leveled with the WE towards the IRE surface...
March 24, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28337907/a-single-cell-based-platform-for-copy-number-variation-profiling-through-digital-counting-of-amplified-genomic-dna-fragments
#15
Chunmei Li, Zhilong Yu, Yusi Fu, Yuhong Pang, Yanyi Huang
We develop a novel single-cell-based platform through digital counting of amplified genomic DNA fragments, named multi-fraction amplification (mfA), to detect the copy number variations (CNVs) in a single cell. Amplification is required to acquire genomic information from a single cell, while introducing unavoidable bias. Unlike prevalent methods that directly infers CNV profiles from the pattern of sequencing depth, our mfA platform denatures and separates the DNA molecules from a single cell into multiple fractions of reaction mix before amplification...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28337858/transdermal-protein-delivery-using-choline-and-geranate-cage-deep-eutectic-solvent
#16
Amrita Banerjee, Kelly Ibsen, Yasunori Iwao, Michael Zakrewsky, Samir Mitragotri
Transdermal delivery of peptides and other biological macromolecules is limited due to skin's inherent low permeability. Here, the authors report the use of a deep eutectic solvent, choline and geranate (CAGE), to enhance topical delivery of proteins such as bovine serum albumin (BSA, molecular weight: ≈66 kDa), ovalbumin (OVA, molecular weight: ≈45 kDa) and insulin (INS, molecular weight: 5.8 kDa). CAGE enhances permeation of BSA, OVA, and insulin into porcine skin ex vivo, penetrating deep into the epidermis and dermis...
March 24, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28337775/effectiveness-and-safety-assessment-of-citrate-anticoagulation-during-albumin-dialysis-in-comparison-to-other-methods-of-anticoagulation
#17
Agnieszka Dyla, Wojciech Mielnicki, Joanna Bartczak, Tomasz Zawada, Piotr Garba
Liver failure is a serious and often deadly disease often requiring MARS (Molecular Adsorbent Recirculating System) therapy. Choosing the safe and effective method of anticoagulation during artificial liver support systems seems to be very difficult and extremely important. The aim of this study was to assess effectiveness and safety of regional anticoagulation with citrate in liver failure patients during MARS. We used a single center observational study. We analyzed 158 MARS sessions performed in 65 patients: 105 (66...
March 23, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28336480/can-a-commercially-available-epid-dosimetry-system-detect-small-daily-patient-setup-errors-for-cranial-imrt-srs
#18
Emmelyn S Hsieh, Katherine S Hansen, Michael S Kent, Sanjeev Saini, Sonja Dieterich
PURPOSE: The purpose of this study was to determine if the Sun Nuclear PerFRACTION electronic portal imager device dosimetry software would be able to detect setup errors in a clinical setting and would be able to correctly identify the direction in which the setup error was introduced. METHODS AND MATERIALS: A 7-field intensity modulated radiation therapy (IMRT) treatment plan for a centrally located tumor was developed for 1 phantom and 5 canine cadaver heads...
December 24, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28336258/a-comparison-of-combined-intravenous-and-topical-administration-of-tranexamic-acid-with-intravenous-tranexamic-acid-alone-for-blood-loss-reduction-after-total-hip-arthroplasty-a-meta-analysis
#19
REVIEW
Xiangcheng Liu, Jinglong Liu, Ganghe Sun
BACKGROUND: The optimal dose and protocol of tranexamic acid (TXA) for reducing blood loss in total hip arthroplasty (THA) is controversial. Intravenous TXA (IV-TXA) and combined IV-TXA with topical TXA are the two common protocol after THA. A meta-analysis of randomized controlled trials (RCTs) to compare the efficacy and safety of combined IV and topical TXA with IV-TXA alone in reducing blood loss after THA. METHODS: PubMed, Medline, Embase, Web of Science, the Cochrane Library, China Wanfang database and Google database were searched from the inception to February 2017 to identify RCTs that comparing combined IV and topical TXA with IV-TXA alone for patients prepared for primary THA...
March 20, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28336150/effects-of-foot-rotation-positions-on-knee-valgus-during-single-leg-drop-landing-implications-for-acl-injury-risk-reduction
#20
P S P Teng, P W Kong, K F Leong
BACKGROUND: Non-contact anterior cruciate ligament (ACL) injuries commonly occur when athletes land in high risk positions such as knee valgus. The position of the foot at landing may influence the transmission of forces from the ankle to the knee. Using an experimental approach to manipulate foot rotation positions, this study aimed to provide new insights on how knee valgus during single-leg landing may be influenced by foot positions. METHODS: Eleven male recreational basketball players performed single-leg drop landings from a 30-cm high platform in three foot rotation positions (toe-in, toe-forward and toe-out) at initial contact...
March 20, 2017: Knee
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