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Hu Yue - - 2013
Due to the large porosity and unique framework stability, ZIF-8, a representative zeolitic imidazolate based member of metal-organic framework (MOF) family exhibited excellent adsorption capacities for a wide range of gases, including greenhouse gases. Using in situ FTIR spectroscopy, ZIF-8 framework was investigated when loaded with CO2 in a diamond ...
Wiig Helge H Department of Biomedicine, University of Bergen, Bergen, - - 2013
The skin interstitium sequesters excess Na+ and Cl- in salt-sensitive hypertension. Mononuclear phagocyte system (MPS) cells are recruited to the skin, sense the hypertonic electrolyte accumulation in skin, and activate the tonicity-responsive enhancer-binding protein (TONEBP, also known as NFAT5) to initiate expression and secretion of VEGFC, which enhances electrolyte clearance ...
Khamaganov V G - - 2013
The quantum yield of formation of CH3 and CH3CO in the pulsed laser photo-excitation of acetone at 300 and 308 nm was investigated at several pressures (60 to 740 Torr) and at either 298 or 228 K. The organic radicals generated were monitored indirectly following conversion (by reaction with Br2) ...
Lai Lin - - 2013
The use of carbon nanostructures to capture and store waste carbon, such as methane and carbon dioxide, is intrinsically attractive, particularly if the same molecules can be subsequently used as synthetic precursors. However, to facilitate adsorption of these highly stable species high pressures are required, and fragile carbon-based nanostructures may ...
Lindeboom Ralph E F - - 2013
Autogenerative High Pressure Digestion (AHPD) is a novel concept that integrates gas upgrading with anaerobic digestion by selective dissolution of CO2 at elevated biogas pressure. However, accumulation of CO2 and fatty acids after anaerobic digestion of glucose resulted in pH 3-5, which is incompatible with the commonly applied high-rate methanogenic ...
Maroušek Josef - - 2013
The pretreatment methods for enhancing biogas production from oat straw under study include hot maceration, steam explosion, and pressure shockwaves. The micropore area (9, 55, and 64 m(2) g(-1)) inhibitor formations (0, 15, and 0 mL L(-1)) as well as the overall methane yields (67, 179, and 255 CH4 VS t(-1)) were robustly analyzed. ...
Phillips Lara - - 2013
PURPOSE: To report the ophthalmic findings in young patients with dopamine β-hydroxylase deficiency and to assess them in the context of other reports in an attempt to discern if ophthalmic criteria may assist in early detection of this debilitating, yet treatable, disorder. DESIGN: Prospective, observational case series. METHODS: An ophthalmic ...
Brogden Nicole K - - 2013
Microneedles (MNs) provide a minimally invasive means to enhance skin permeability by creating micron-scale channels (micropores) that provide a drug delivery pathway. Adequate formation of the micropores is critical to the success of this unique drug delivery technique. The objective of the current work was to develop sensitive and reproducible ...
Salter Robert J - - 2013
The photolysis of glyoxal has been investigated in the 355-414 nm region by dye laser photolysis coupled with cavity ring-down spectroscopy. Absolute quantum yields of HCO, ΦHCO, were determined using the reaction of chlorine atoms with formaldehyde as an actinometer. The dependence of the quantum yield on pressure was investigated ...
Tomasino Dane - - 2013
We have studied the pressure-induced physical and chemical transformations of tetracyanoethylene (TCNE or C6N4) in diamond anvil cells using micro-Raman spectroscopy, laser-heating, emission spectroscopy, and synchrotron x-ray diffraction. The results indicate that TCNE in a quasi-hydrostatic condition undergoes a shear-induced phase transition at 10 GPa and then a chemical change ...
Bleier Benjamin S - - 2013
Endoscopic reconstruction of skull base defects remains a challenge. Laser tissue welding (LTW) is a technique in which a laser-activated solder is used to create instantaneous repairs of skull base defects with burst strengths far exceeding intracranial pressure (ICP). This study was designed to define the thermal and inflammatory profile ...
Sode Olaseni - - 2013
The symmetric-stretching fundamental (ν1) and the bending first overtone (2ν2) of CO2, which are accidentally degenerate with the same symmetry, undergo a Fermi resonance and give rise to two Raman bands with a frequency difference of 107 cm-1 and an intensity ratio of 2.1. Both the frequency difference and intensity ...
Lee Myunggu - - 2013
Enzymatic synthesis of biodiesel by the transesterification of canola oil and methanol in high pressure carbon dioxide [HPCO(2): near-critical and supercritical carbon dioxide (NcCO(2) and ScCO(2))] was optimized using response surface methodology (RSM). RSM based on 5-level-5-factor central composite rotatable design (CCRD) was used to evaluate the effects of temperature, ...
Pagitz M - - 2013
Plants such as Dionaea muscipula (Venus Flytrap) can change the shape of their shell-like leaves by actively altering the cell pressures. These leaves are hydraulic actuators that do not require any complex controls and that possess an energy efficiency that is unmatched by natural or artificial muscles (Huber et al ...
Chen Dawei - - 2013
In order to illustrate the underlining mechanism of the effect of high pressure on lipases from different resources, the influence of compressed carbon dioxide treatment on the esterification activities and conformation of the three lipases Candida rugosa lipase (CRL), Pseudomonas fluorescens lipase, and Rhizopus oryzae lipase was investigated in the ...
Cheng X - - 2013
We developed a system with high levels of dissolved CO2 for water disinfection. Bacteriophages MS2, Qbeta and phiX174 were selected as the inactivation targets. A relatively mild inactivation effect was observed on MS2 and Qbeta at different initial concentrations of dissolved CO2 at 0.3 MPa in 20-30 min. When the ...
Likar Jakob - - 2013
The problem of reducing CO2 emissions in the atmosphere is indirectly related to the potential storage options in different environments in the earth's crust. One of the promising possibilities for reducing emissions of carbon dioxide (CO2) into the atmosphere is the geological storage of CO2 in deep, unminable coal seams. ...
Ohtomo Yoko Y Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Kochi, - - 2013
Geological CO2 sequestration in unmineable subsurface oil/gas fields and coal formations has been proposed as a means of reducing anthropogenic greenhouse gasses in the atmosphere. However, the feasibility of injecting CO2 into subsurface depends upon a variety of geological and economic conditions, and the ecological consequences are largely unpredictable. In ...
Beattie Christopher - - 2012
The effect of moderate temperatures (22-100 degC) and pressures (1-10 bar) on the synthesis of cyclic carbonates from epoxides and carbon dioxide catalyzed by a combination of bimetallic aluminum complexes and tetrabutylammonium bromide is investigated. The combined bimetallic complex and tetrabutylammonium bromide catalyst system is shown to be an order ...
Paredes Angel - - 2012
We show that extreme vacuum pressures can be measured with current technology by detecting the photons produced by the relativistic Thomson scattering of ultraintense laser light by the electrons of the medium. We compute the amount of radiation scattered at different frequencies and angles when a Gaussian laser pulse crosses ...
Pham Trong - - 2012
Samples of high-silica SSZ-13, ion exchanged with protons and alkali-metal cations Li+, Na+, and K+ were investigated using adsorption isotherms of CO2 and N2. The results show that Li-, Na-SSZ-13 have excellent CO2 capacity at ambient temperature and pressure; in general, Li-SSZ-13 shows the highest capacity for N2, CO2 particularly ...
El Dib Gisele - - 2012
The reaction of the OH radicals with 4-hydroxy 2-butanone was investigated in the gas-phase using an absolute rate method at room temperature and over the pressure of 10 to 330 Torr in He and air as diluent gases. The rate coefficients were measured using pulsed laser photolysis (PLP) of H2O2 ...
Song Chun Feng - - 2012
CO2 capture and storage (CCS) is an important alternative to control greenhouse gas (GHG) effects. In previous work, a novel desublimation CO2 capture process has been exploited making use of three free piston Stirling coolers (namely, SC-1, SC-2 and SC-3, respectively). Based on the developed system, moisture and CO2 in ...
Simmons Rita G - - 2012
Effective hypoxia-related mishap prevention relies upon aircrew rapid recognition of hypoxia symptoms. The objectives of this experiment were twofold: to compare the effectiveness of a forehead-mounted reflectance oximeter and finger-mounted pulse oximeter for application in a hypoxia early warning detection system, and to determine whether the forehead-mounted sensor could be ...
Kashima Hideaki - - 2012
We have previously reported the unique regional responses of facial skin blood flow (SkBF) to oral application of the basic tastes without simultaneous systemic circulatory changes. In the present study, we determined whether a systemic circulatory challenge due to sympathetic activation induces regional differences in facial SkBF by observing the ...
Jan Yih-Kuen - - 2012
The objectives of this study were to investigate the effects of local cooling on skin blood flow response to prolonged surface pressure and to identify associated physiological controls mediating these responses using the wavelet analysis of blood flow oscillations in rats. Twelve Sprague-Dawley rats were randomly assigned to three protocols, ...
Kupenko Ilya - - 2012
The effect of static compression up to 65 GPa at ambient temperature on ammonia borane, BH(3)NH(3), has been investigated using in situ Raman spectroscopy in a diamond anvil cells. Two phase transitions were observed at approximately 12 GPa and previously not reported transition at 27 GPa. It was demonstrated that ...
Carey Robert M - - 2012
Primary aldosteronism is the most common form of secondary hypertension. Case detection is based on an abnormal plasma aldosterone:plasma renin activity ratio and the diagnosis must be confirmed with an aldosterone suppression test. Subtype differentiation should be performed using adrenal venous sampling. Approximately 50% of patients with primary aldosteronism will ...
Makówka Agnieszka - - 2012
Most hypertensive dialysis patients are currently treated with angiotensin converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB). Aliskiren, the direct renin inhibitor, has not been specifically studied in peritoneal dialysis patients. The aim of the study was to compare hypotensive effects of aliskiren and ramipril and their influence on ...
Petrou Panayota - - 2012
The use of a ventriculoperitoneal (VP) shunt to treat uncontrollable intracranial hypertension in patients with cryptococcal meningitis without hydrocephalus is somewhat unusual and still largely unreported. However, uncontrollable intracranial hypertension without hydrocephalus in these patients is a potentially life-threatening condition. Early diagnosis and shunt placement are essential to improve survival ...
Fülöp Tibor - - 2012
Aims: End-stage renal disease (ESRD) patients on dialysis are perceived tohave difficult-to-control blood pressure (BP) and commonly treated with complex antihypertensive regimens. Our hypothesis was that peri-dialysis BP will overestimate the true burden of hypertension in these patients. Subjects and methods: We performed 44-h ambulatory blood pressure monitoring (ABPM) in ...
Bai Qiong - - 2012
Human urotensin II (hUII) is a newly discovered substance that can dilate small blood vessels to decrease the blood pressure (BP). Our previous studies showed that some volume-overloaded patients on peritoneal dialysis can maintain normal BP (congestive heart failure excluded), suggesting that these patients have volume resistance capacity. This study ...
Milan Alberto - - 2012
Primary aldosteronism is the most frequent cause of secondary hypertension, accounting for up to 11% of cases in selected populations. Patients affected by primary aldosteronism have shown higher prevalence of cardiovascular and cerebrovascular events compared with patients with essential hypertension, despite similar blood pressure levels. Several studies have been performed ...
Hedge Luke H - - 2012
Artificial structures associated with shipping and boating activities provide habitats for a diverse suite of non-indigenous marine species. Little is known about the proportion of invader success in nearby waters that is attributable to these structures. Areas close to piles, wharves and piers are likely to be exposed to increasing ...
Kralick Francis - - 2012
Hydrocephalus is the abnormal accumulation of cerebrospinal fluid (CSF) within the confines of the skull that if left untreated results in significant morbidity and mortality. The treatment for hydrocephalus has remained essentially unchanged for over 50 years. It was a technological advance in materials that allowed John Holter, in conjunction ...
Huang Tao - - 2012
The goal of this study was to observe possible changes of the skin microvascular perfusion on the acupoints and related areas and to quantify influences of acupuncture stimulation on the volunteers' blood pressure, heart rate, and heart rate variability (HRV). During the measurement, the needling sensations of volunteers were enquired ...
Hu Chang-Lin - - 2012
The laser Doppler flowmeter has become an effective tool for the clinical study of microcirculation with non-invasive measurements and excellent velocity resolution. Microcirculation flow measurements cannot be used as reference criteria for circulation function. Thus, the relative change in fingertip microcirculation was measured through inflation and deflation of an automatic ...
Sadighi-Bonabi Rasoul - - 2012
The luminescence parameters of laser-induced bubble in the presence of an acoustic field in water are studied. A comparison is made between parameters such as bubble radius, interior temperature, and pressure of the bubble induced by laser and an acoustic field influenced by different driving pressure amplitudes. It is found ...
Levitt David G - - 2012
Although the factors involved in cirrhotic ascites have been studied for a century, a number of observations are not understood, including the action of diuretics in the treatment of ascites and the ability of the plasma-ascitic albumin gradient to diagnose portal hypertension. This communication presents an explanation of ascites based ...
Wisshak Max - - 2012
In the recent discussion how biotic systems may react to ocean acidification caused by the rapid rise in carbon dioxide partial pressure (pCO(2)) in the marine realm, substantial research is devoted to calcifiers such as stony corals. The antagonistic process - biologically induced carbonate dissolution via bioerosion - has largely ...
Takemura Akihiro - - 2011
Most wrasse species in tropical waters exhibit daily spawning synchrony with a preference for high tide. Fish perceive tidal rhythm cues through sensory organs and activate the brain-pituitary-gonadal endocrine axis for synchronous gonadal maturation, although how the tidal-related spawning cycle is controlled endogenously is not known. The purpose of this ...
Fahlman Andreas - - 2011
Excised lungs from eight marine mammal species [harp seal (Pagophilus groenlandicus), harbor seal (Phoca vitulina), gray seal (Halichoerus grypush), Atlantic white-sided dolphin (Lagenorhynchus acutus), common dolphin (Delphinus delphis), Risso's dolphin (Grampus griseus), long-finned pilot whale (Globicephala melas) and harbor porpoise (Phocoena phocoena)] were used to determine the minimum air volume ...
Lillywhite Harvey B - - 2012
Physiological investigations of snakes have established the importance of heart position and pulmonary structure in contexts of gravity effects on blood circulation. Here we investigate morphological correlates of cardiopulmonary physiology in contexts related to ecology, behavior and evolution. We analyze data for heart position and length of vascular lung in ...
Nikolić Aleksandra - - 2011
Non-compaction of the left ventricle is a rare cardiac malformation, defined as a primary cardiomyopathy caused by genetic malformations. Although the pathogenesis of this cardiomyopathy is unknown, there are two possible hypotheses (congenital and acquired) which lead to arrest in intrauterine endomyocardial morphogenesis. We are presenting a case of a ...
Hedrick Michael S - - 2011
Vertical movement of lymph from ventral regions to the dorsally located lymph hearts in anurans is accomplished by specialized skeletal muscles working in concert with lung ventilation. We hypothesize that more terrestrial species with greater lymph mobilization capacities and higher lymph flux rates will have larger lung volumes and higher ...
Egset C K - - 2011
Variation in static allometry, the power relationship between character size and body size among individuals at similar developmental stages, remains poorly understood. We tested whether predation or other ecological factors could affect static allometry by comparing the allometry between the caudal fin length and the body length in adult male ...
Green Peter T - - 2011
In multiply invaded ecosystems, introduced species should interact with each other as well as with native species. Invader-invader interactions may affect the success of further invaders by altering attributes of recipient communities and propagule pressure. The invasional meltdown hypothesis (IMH) posits that positive interactions among invaders initiate positive population-level feedback ...
Eschtruth Anne K - - 2011
The widely held belief that riparian communities are highly invasible to exotic plants is based primarily on comparisons of the extent of invasion in riparian and upland communities. However, because differences in the extent of invasion may simply result from variation in propagule supply among recipient environments, true comparisons of ...
Prior Gina L - - 2011
Livestock grazing, which has a large influence on habitat structure, is associated with the widespread decline of various bird species across the world, yet there are few experimental studies that investigate how grazing pressure influences avian reproduction. We manipulated grazing pressure using a replicated field experiment, and found that the ...
Authier S - - 2011
INTRODUCTION: Similarities between pigs and humans support the relevance of Göttingen minipigs for regulatory safety pharmacology. The minipig is the species of choice for cardiovascular safety pharmacology when pivotal repeat toxicology studies are conducted in this species. METHODS: 4 male Göttingen minipigs with cardiovascular telemetry transmitters received intravenous saline, esmolol ...
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