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https://www.readbyqxmd.com/read/28346876/a-fluid-structure-interaction-model-of-the-internal-carotid-and-ophthalmic-arteries-for-the-noninvasive-intracranial-pressure-measurement-method
#1
Edgaras Misiulis, Algis Džiugys, Robertas Navakas, Nerijus Striūgas
Accurate and clinically safe measurements of intracranial pressure (ICP) are crucial for secondary brain damage prevention. There are two methods of ICP measurement: invasive and noninvasive. Invasive methods are clinically unsafe; therefore, safer noninvasive methods are being developed. One of the noninvasive ICP measurement methods implements the balance principle, which assumes that if the velocity of blood flow in both ophthalmic artery segments - the intracranial (IOA) and extracranial (EOA) - is equal, then the acting ICP on the IOA and the external pressure (Pe) on the EOA are also equal...
March 22, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28346315/the-effects-of-10-weeks-integrated-neuromuscular-training-on-fundamental-movement-skills-and-physical-self-efficacy-in-6-7-year-old-children
#2
Michael J Duncan, Emma L J Eyre, Samuel W Oxford
Integrated neuromuscular training (INT) has been suggested as an effective means to enhance athletic potential in children. However, few studies have reported the effects of school based INT programs. This study examined the effect of INT on process and product fundamental movement skill measures and physical self-efficacy in 6-7 year old children. Ninety-four children from 2 primary schools were randomised into either a 10 week INT program or a control group CON (n =41) group. Results indicated significantly greater increases in process FMS scores in INT vs CON (P = 0...
March 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28345896/transcriptomics-and-lipidomics-of-the-environmental-strain-rhodococcus-ruber-point-out-consumption-pathways-and-potential-metabolic-bottlenecks-for-polyethylene-degradation
#3
Kevin Gravouil, Romain Ferru-Clement, Steven Colas, Reynald Helye, Linette Kadri, Ludivine Bourdeau, Bouziane Moumen, Anne Mercier, Thierry Ferreira
Polyethylene (PE), one of the most prominent synthetic polymer used worldwide, is very poorly biodegradable in the natural environment. Consequently, PE represents by itself more than half of all plastic wastes. PE biodegradation is achieved through the combination of abiotic and biotic processes. Several microorganisms have been shown to grow on the surface of PE materials, among which are the species of the Rhodococcus genus, suggesting a potent ability of these microorganisms to use, at least partly, PE as a potent carbon source...
March 27, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28345688/a-vacuum-ultraviolet-laser-pulsed-field-ionization-photoion-study-of-methane-ch4-determination-of-the-appearance-energy-of-methylium-from-methane-with-unprecedented-precision-and-the-resulting-impact-on-the-bond-dissociation-energies-of-ch4-and-ch4
#4
Yih-Chung Chang, Bo Xiong, David H Bross, Branko Ruscic, C Y Ng
We report on the successful implementation of a high-resolution vacuum ultraviolet (VUV) laser pulsed field ionization-photoion (PFI-PI) detection method for the study of unimolecular dissociation of quantum-state- or energy-selected molecular ions. As a test case, we have determined the 0 K appearance energy (AE0) for the formation of methylium, CH3(+), from methane, CH4, as AE0(CH3(+)/CH4) = 14.32271 ± 0.00013 eV. This value has a significantly smaller error limit, but is otherwise consistent with previous laboratory and/or synchrotron-based studies of this dissociative photoionization onset...
March 27, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28345085/formation-of-surface-nanodroplets-facing-a-structured-microchannel-wall
#5
Haitao Yu, Shantanu Maheshwari, Jiuyang Zhu, Detlef Lohse, Xuehua Zhang
Surface nanodroplets are important units for lab-on-a-chip devices, compartmentalised catalytic reactions, high-resolution near-field imaging, and many others. Solvent exchange is a simple solution-based bottom-up approach for producing surface nanodroplets by displacing a good solvent of the droplet liquid by a poor one in a narrow channel in the laminar regime. The droplet size is controlled by the solution composition and the flow conditions during the solvent exchange. In this paper, we investigated the effects of local microfluidic structures on the formation of surface nanodroplets...
March 27, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28344956/maternal-serum-placental-growth-factor-and-pregnancy-associated-plasma-protein-a-measured-in-the-first-trimester-as-parameters-of-subsequent-pre-eclampsia-and-small-for-gestational-age-infants-a-prospective-observational-study
#6
Kyung Uk Sung, Jeong A Roh, Kyung Jin Eoh, Eui Hyeok Kim
OBJECTIVE: To examine the first-trimester maternal serum placental growth factor (PlGF) and pregnancy-associated plasma protein A (PAPP-A) levels in pregnancies associated with pre-eclampsia (PE) or small-for-gestational-age (SGA) infants, and determine the predictive accuracy of PlGF and of PAPP-A for either PE or SGA infants. METHODS: This prospective, observational study included 175 pregnant women, and of these women, due to participant withdrawal or loss to follow-up, delivery data were collected from the medical records of 155 women, including 4 who had twin pregnancies...
March 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28344879/prostaglandin-e2-mediated-adenosinergic-effects-on-cd14-cells-self-amplifying-immunosuppression-in-cancer
#7
Saly Al-Taei, Josephine Salimu, Lisa K Spary, Aled Clayton, Jason F Lester, Zsuzsanna Tabi
CD39 and CD73 are surface-expressed ectonucleotidases that hydrolyze ATP in a highly regulated, serial manner into ADP, AMP and adenosine. The end product, adenosine, has both tumor-promoting and immunosuppressive effects. The aim of this study was to determine CD73 expression on immune cells in pleural effusion (PE) in order to have a better understanding of the immune environment in mesothelioma. PE- or blood-derived CD14(+) cells of mesothelioma patients and healthy donors were analyzed by flow cytometry for the expression of CD39 and CD73...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28343780/propagation-of-brazilian-zika-virus-strains-in-static-and-suspension-cultures-using-vero-and-bhk-cells
#8
Alexander Nikolay, Leda R Castilho, Udo Reichl, Yvonne Genzel
The recent spread of Zika virus (ZIKV) in the Americas and the Pacific has reached alarming levels in more than 60 countries. However, relatively little is known about the disease on a virological and epidemiological level and its consequences for humans. Accordingly, a large demand for in vitro derived Brazilian ZIKV material to support in vitro and in vivo studies has arisen. However, a prompt supply of ZIKV and ZIKV antigens cannot be guaranteed as the production of this virus typically using Vero or C6/36 cell lines remains challenging...
March 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28342993/teratogenic-responses-of-zebrafish-embryos-to-decabromodiphenyl-ether-bde-209-in-the-presence-of-nano-sio2-particles
#9
Shu-Ju Chao, Chin Pao Huang, Pei-Chung Chen, Chihpin Huang
This study investigated the influence of nano-SiO2 particles (nSiO2) on the teratogenic responses of zebrafish embryos to decabromodiphenyl ether (BDE-209). Zebrafish embryos were exposed to BDE-209 in the absence and presence of nSiO2 for 96 h post fertilization (hpf). Results showed that formation of nSiO2-BDE-209 associates promoted both extracellular and intracellular uptake of BDE-209 by zebrafish embryos, thereby increasing the bioconcentration of BDE-209 on the chorion surface and the embryos. Results also showed embryos delay hatching temporarily when co-exposure to BDE-209 and nSiO2 at 60 hpf...
March 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28341513/impact-of-inferior-vena-cava-filter-placement-on-short-term-outcomes-in-patients-with-acute-pulmonary-embolism
#10
Nathan L Liang, Elizabeth A Genovese, Efthymios D Avgerinos, Michael J Singh, Michel S Makaroun, Rabih A Chaer
BACKGROUND: Inferior vena cava filters (IVCF) have been associated with improved survival in patients with acute pulmonary embolism (PE) in some studies. However, without randomization, those with early mortality who did not receive an IVCF may have died prior to treatment decision about filter placement, falsely contributing a survival advantage to those receiving IVCF and biasing the results of previous observational studies. The objective of this study is to evaluate the impact of IVCF on in-hospital mortality after adjusting for this survivor treatment selection...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28340385/experimental-study-of-polyethylene-pyrolysis-and-combustion-over-hzsm-5-husy-and-mcm-41
#11
Que Huang, Changcheng Liu, Ruichao Wei, Jian Wang
The effects of temperatures, catalysts, and catalyst contents on polyethylene (PE) pyrolysis were investigated by using single-photon ionization time-of-flight mass spectrometry (SPI-TOFMS). The mass spectra of pyrolyzed PE and PE/catalysts from 300°C to 800°C illustrate that the pyrolysis reactions were apparently promoted and varied by introducing HZSM-5, HUSY, and MCM-41. As microporous catalysts, HZSM-5 and HUSY were found to accelerate the BTX formation at 400°C, which could not be observed for pure PE until 800°C...
March 14, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28338787/total-and-fetal-circulating-cell-free-dna-angiogenic-and-antiangiogenic-factors-in-preeclampsia-and-hellp-syndrome
#12
Rocío Muñoz-Hernández, Pablo Medrano-Campillo, Maria L Miranda, Hada C Macher, Jose Manuel Praena-Fernández, Antonio J Vallejo-Vaz, María J Dominguez-Simeon, Rafael Moreno-Luna, Pablo Stiefel
BACKGROUND: Preeclampsia (PE) is a hypertensive disorder of pregnancy characterized by hypertension and proteinuria. The HELLP syndrome is the most severe form of PE. The aim of the present study was to determine different potential biomarkers that may help us perform an early diagnosis of the disease, assess on the severity of the disease, and/or predict maternal or fetal adverse outcomes. METHODS: We measured serum levels of total and fetal circulating cell-free DNA (cfDNA), soluble endoglin, soluble form of vascular endothelial growth factor receptor, and placental growth factor in a healthy control group of pregnant women (n = 26), patients with mild (n = 37) and severe PE (n = 25), and patients with HELLP syndrome (n = 16)...
February 25, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338191/a-randomized-single-center-study-to-compare-the-efficacy-and-tolerability-of-tadalafil-once-daily-plus-lidocaine-anesthetic-spray-on-premature-ejaculation
#13
L Dell'Atti, A B Galosi, C Ippolito
OBJECTIVE: The use of topical local anesthetics in the form of creams, gel or spray is the oldest method of retarding ejaculation. However, several studies have suggested that phosphodiesterase type 5 inhibitors (5-PDEiS) show a potential therapeutic use in the treatment of premature ejaculation (PE). The aim of this study was to compare the efficacy and tolerability of tadalafil-only, tadalafil plus local anesthetic spray (lidocaine), and topical lidocaine spray-only before intercourse on the intravaginal ejaculatory latency time (IELT) of patients with lifelong PE...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28337056/normative-values-and-contralateral-comparison-of-anterior-chamber-parameters-measured-by-pentacam-and-its-correlation-with-corneal-biomechanical-factors
#14
Mohammad Reza Sedaghat, Vahid Mohammad Zadeh, Kaveh Fadakar, Sakineh Kadivar, Mojtaba Abrishami
PURPOSE: To evaluate the normative values of anterior chamber parameters measured by Pentacam and corneal hysteresis (CH) and corneal resistance factor (CRF) measured by Ocular Response Analyzer (ORA) and their relationship. METHODS: In an observational cross-sectional study, patients aged 18-35 years were included. Exclusion criteria were history of any intraocular or corneal disease, anomaly or surgery; hyperopic spherical refraction more than +3, and myopic spherical refraction less than -5...
January 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28336857/linear-and-nonlinear-rheology-combined-with-dielectric-spectroscopy-of-hybrid-polymer-nanocomposites-for-semiconductive-applications
#15
Roland Kádár, Mahdi Abbasi, Roxana Figuli, Mikael Rigdahl, Manfred Wilhelm
The linear and nonlinear oscillatory shear, extensional and combined rheology-dielectric spectroscopy of hybrid polymer nanocomposites for semiconductive applications were investigated in this study. The main focus was the influence of processing conditions on percolated poly(ethylene-butyl acrylate) (EBA) nanocomposite hybrids containing graphite nanoplatelets (GnP) and carbon black (CB). The rheological response of the samples was interpreted in terms of dispersion properties, filler distortion from processing, filler percolation, as well as the filler orientation and distribution dynamics inside the matrix...
January 24, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336428/emergence-of-norovirus-gii-2-and-its-novel-recombination-during-the-gastroenteritis-outbreak-in-japanese-children-in-mid-2016
#16
Aksara Thongprachum, Shoko Okitsu, Pattara Khamrin, Niwat Maneekarn, Satoshi Hayakawa, Hiroshi Ushijima
In mid-2016, norovirus GII.2 emerged as a major cause of gastroenteritis outbreak in Japan with overall detection rate of 56.3% of norovirus cases. The differences in ORF1 and ORF2 of some norovirus GII were observed. Inter-subtype recombinants GII.Pe/GII.2, GII.P16/GII.2 and GII.P17/GII.2 were detected. Three amino acid substitutions were noted at P2 antigenic site of GII.P16/GII.2 recombinants. Furthermore, this study revealed that the current immunochromatographic kit available in Japan could be used effectively for the detection of recent GII...
March 20, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28336037/deep-vein-thrombosis-and-pulmonary-embolism-considerations-in-orthopedic-surgery
#17
REVIEW
Jasmine Saleh, Mouhanad M El-Othmani, Khaled J Saleh
Patients undergoing orthopedic surgery have an increased risk for deep venous thrombosis (DVT) and pulmonary embolism (PE). These complications are considered detrimental, as they cause major postoperative morbidity and mortality and lead to a substantial health care burden. Because of the high incidence and serious nature of these complications, it is essential for orthopedic surgeons to have a comprehensive knowledge of the risk factors, diagnosis, and treatment of acute DVT and PE. Perioperative management of orthopedic patients to prevent postoperative DVT and PE and optimize postoperative outcomes is also discussed in this review...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28335835/impact-of-thrombolytic-therapy-on%C3%A2-the%C3%A2-long-term-outcome-of-intermediate-risk-pulmonary%C3%A2-embolism
#18
Stavros V Konstantinides, Eric Vicaut, Thierry Danays, Cecilia Becattini, Laurent Bertoletti, Jan Beyer-Westendorf, Helene Bouvaist, Francis Couturaud, Claudia Dellas, Daniel Duerschmied, Klaus Empen, Emile Ferrari, Nazzareno Galiè, David Jiménez, Maciej Kostrubiec, Matija Kozak, Christian Kupatt, Irene M Lang, Mareike Lankeit, Nicolas Meneveau, Massimiliano Palazzini, Piotr Pruszczyk, Matteo Rugolotto, Aldo Salvi, Olivier Sanchez, Sebastian Schellong, Bozena Sobkowicz, Guy Meyer
BACKGROUND: The long-term effect of thrombolytic treatment of pulmonary embolism (PE) is unknown. OBJECTIVES: This study investigated the long-term prognosis of patients with intermediate-risk PE and the effect of thrombolytic treatment on the persistence of symptoms or the development of late complications. METHODS: The PEITHO (Pulmonary Embolism Thrombolysis) trial was a randomized (1:1) comparison of thrombolysis with tenecteplase versus placebo in normotensive patients with acute PE, right ventricular (RV) dysfunction on imaging, and a positive cardiac troponin test result...
March 28, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28335493/melatonin-mt%C3%A2-and-mt%C3%A2-receptors-in-the-ram-reproductive-tract
#19
Marta González-Arto, David Aguilar, Elena Gaspar-Torrubia, Margarita Gallego, Melissa Carvajal-Serna, Luis V Herrera-Marcos, Edith Serrano-Blesa, Thais Rose Dos Santos Hamilton, Rosaura Pérez-Pé, Teresa Muiño-Blanco, José A Cebrián-Pérez, Adriana Casao
Some melatonin functions in mammals are exerted through MT₁ and MT₂ receptors. However, there are no reports of their presence in the reproductive tract of the ram, a seasonal species. Thus, we have investigated their existence in the ram testis, epididymis, accessory glands and ductus deferens. Real-time polymerase chain reaction (qPCR) revealed higher levels of m-RNA for both receptors in the testis, ampulla, seminal vesicles, and vas deferens, than in the other organs of the reproductive tract (p < 0...
March 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335440/profile-of-polyphenol-compounds-of-five-muscadine-grapes-cultivated-in-the-united-states-and-in-newly-adapted-locations-in-china
#20
Zheng Wei, Jianming Luo, Yu Huang, Wenfeng Guo, Yali Zhang, Huan Guan, Changmou Xu, Jiang Lu
Polyphenol compositions and concentrations in skins and seeds of five muscadine grapes (cv. "Noble", "Alachua", "Carlos", "Fry", and "Granny Val") cultivated in the United States (Tallahassee-Florida, TA-FL) and South China (Nanning-Guangxi, NN-GX and Pu'er-Yunnan, PE-YN) were investigated, using ultra performance liquid chromatography tandem triple quadrupole time-of-flight mass spectrometry (UPLC Triple TOF MS/MS). Fourteen ellagitannins were newly identified in these muscadine grapes. The grapes grown in NN-GX accumulated higher levels of ellagic acid, methyl brevifolin carboxylate, and ellagic acid glucoside in skins, and penta-O-galloyl-glucose in seeds...
March 14, 2017: International Journal of Molecular Sciences
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