simultaneous determination of oxygen consumption and free radical production using electron paramagnetic res
Simultaneous determination of sildenafil, vardenafil and tadalafil as forbidden components in natural dietary supplements for male sexual potency by high performance liquid chromatography–electrospray ionization
... ions and sodiated ions The voltage of capillary, extractor and RF lens was set at 3.2 kV, and 0.5 V, respectively The temperature was maintained at 105 and 200 ◦ C for source and desolvation, respectively ... sildenafil with capillary electrophoresis [18] While the strategy for the determination of vardenafil and tadalafil is seldom reported, simultaneous determination of these three analytes has been ... areas of the standard compounds against the corresponding concentrations The limit of detection (LOD) of UV detection and MS–SIR was evaluated as the mass giving a signal equal to three times of...
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báo cáo hóa học: " Method optimization and validation for the simultaneous determination of arachidonic acid metabolites in exhaled breath condensate by liquid chromatography-electrospray ionization tandem mass spectrometry" doc
... chromatogram of ion scans Standard chromatogram of the deuterated standards with the corresponded product ion scans nal standard to the corresponded group of substances than without internal standard ... internal standa) Calibration curve of 13,14-dihydro-15-keto-PGD2 with PGE2-d4 as internal standard and b) without internal standard Figure the corresponded product the deuterated standards with Standard ... 5,46 Q1 and Q2 represents the low and the high concentration level respectively, with 50 pg/mL and 500 pg/mL each analyte showing the reliability of the method is presented on Table Limit of detection...
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Báo cáo vật lý: "SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF Pb(II) AND Cd(II) USING ARTIFICIAL NEURAL NETWORKS" potx
... determination of Co(II) and Ni(II) The aim in this study was the simultaneous determination of Pb(II) and Cd(II) by uv-visible spectrophotometry in some complex mixture using 4-(2pyridylazo)-resorcinol ... Pb(II)-PAR and Cd(II)-PAR is 518 and 409 nm, respectively Figure shows the 3D absorbance spectra of mixture of Pb(II) and Cd(II) after reaction with PAR at different concentration of Pb(II) and Cd(II) ... concentration| / Simultaneous Spectrophotometric Determination of Pb(II) and Cd(II) Network trained with 20 epochs were suitable to be used in predicting the response of the concentration of Pb(II) and Cd(II)...
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Báo cáo toán học: "OXIDATIVE PHOSPHORYLATION: Kinetic and Thermodynamic Correlation between Electron Flow, Proton Translocation, Oxygen Consumption and ATP Synthesis under Close to In Vivo Concentrations of Oxygen" docx
... unit of O2 uptake in the y-axis represents 0.036 nmols of O for the additions of 0.92 and 2.76 nmols of O, and 0.197 nmols of O for the addition of 18.4 nmols of O Each unit of ATP synthesis represents ... phosphorylation of ADP and the net synthesis of ATP cannot occur in the absence of a respiratory substrate and the net flow of electrons (ΔΨ) toward oxygen The synthesis of ATP from ADP and Pi can ... represents 0.03, 0.06 and 0.2 nmols of ATP for the additions of 0.92, 2.76 and 18.4 nmols of O, respectively Traces shown are representative of at least three independent determinations of each condition...
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simultaneous determination of PAHs and PCBs by GCMS Analysis
... development of a technique for the simultaneous determination of PAHs and PCBs by GCMS analysis A multiple component mixture of PAH and PCB analytes together with their respective internal standards ... IR/07/045 Simultaneous Determination of PAHs and PCBs by GCMS Analysis The National Grid and other Ordnance Survey data are used with the permission of the Controller of Her Majesty’s Stationery Office ... such as low vapour pressures and low solubility 1.4 THE NEED FOR THIS STUDY The scope of this method, and hence its validation, is the determination of 16 individual USEPA PAHs and individual PCBs...
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Báo cáo khoa học: Simultaneous improvement of catalytic activity and thermal stability of tyrosine phenol-lyase by directed evolution ppt
... to understand the structure and function of the mutated residues, hypothetical structures of S toebii TPL were generated by comparative modeling using the open and closed structures of the TPLs ... in stability and activity For example, the T1 ⁄ values for AS4 and AS6 were 6.7 and 11.2 °C higher, respectively, and the catalytic activities were improved by 2.8- and 2.0-fold, respectively ... analysis of the consequent hits was also performed to investigate the simultaneous improvement of the activity and stability of Symbiobacterium toebii TPL, as a better structural understanding of how...
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Báo cáo khóa học: Membrane transport of fatty acylcarnitine and free L-carnitine by rat liver microsomes pot
... from the ER and there must be a supply of ER luminal free CoASH The CAC protein is not expressed at detectable levels in liver microsomes [4], so at present it is not clear how inward and outward ... 10, 15 and 20 200 lL samples of the assay mixture were removed and mixed with 1.5 mL propan-2-ol/heptane/water (80 : 20 : 2; v/v/v) After mixing with a further mL of heptane and 0.5 mL of water ... Values are shown in figures as means of the number of separate measurements (n) ± SD Where SD bars are not shown in figures, these are within the symbol Results Transport of palmitoylcarnitine into...
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The Evolution of Entertainment Consumption and the Emergence of Cinema, 1890-1940 docx
... averages for each of three types of residential location: farm, village and city Brady found relatively high expenditures on reading and recreation: about two percent of all expenditures for all groups ... standard deviation compared to income, and a low coefficient of variation The other samples have large standard deviations and coefficients of variation, which raise questions of their representativeness ... potential role of wider consumption routines, skills and capabilities in the evolution of demand through processes such as selection, replication, imitation and modification and through random 21 If...
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Báo cáo hóa học: " Simultaneous circulation of genotypes I and III of dengue virus 3 in Colombia" docx
... Philippines China Philippines Japan Malaysia Thailand Thailand Thailand Thailand Thailand Thailand Thailand Malaysia Thailand Thailand Thailand Thailand Bangladesh Bangladesh India SriLanka Martinique ... Distribution of DENV-3 genotypes I and III in Colombia Distribution of DENV-3 genotypes I and III in Colombia Light gray represents the presence of genotypes I, horizontal lines represent the presence of ... Philippi56 JaponImp73 Malaysia92 Thailand81 Thailand85 Thailand80 Thailan87a Thailan87b Thailand89 Thailand91 Malaysia94 Thailand97 Thailand96 Thailand92 Thailand94 Banglade01 Banglade00 India84...
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Báo cáo hóa học: " Research Article Link Quality-Based Transmission Power Adaptation for Reduction of Energy Consumption and Interference" pot
... emission and consumption for IEEE 802.15.4 and present the results in Figures 3(c) and 3(e) The power trade-off for IEEE 802.15.4 with different packet-sizes is presented in Figures 3(d) and 3(f) ... energy consumption, we also need to consider the energy consumption of the wireless device circuit, the energy consumption (PETX ) of other parts, and the wireless card amplifier energy consumption ... different rates is presented in Figures 2(d) and 2(f) It is interesting to see that for higher data rates, for example, 54 Mbps, the level that results in minimum energy consumption and emission is...
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báo cáo hóa học:" Research Article Determination of Nonprototypical Valence and Arousal in Popular Music: Features and Performances" potx
... roll off, and spectral flux Subband features were octave-based (7 subbands from to kHz) and consist of the minimum, maximum, and average amplitude value for each subband The root mean square of an ... Measurement of Emotions, vol of Emotion, Theory, Research, and Experience, pp 83–111, Academic Press, San Diego, Calif, USA, 1989 [7] J A Russell, “A circumplex model of affect,” Journal of Personality and ... of 250 classical music excerpts Additionally, the mood tracking method presented there is capable of detecting mood boundaries with a high precision of 85.1% and a recall of 84.1% on a base of...
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Báo cáo khoa học: "Simultaneous Determination of Various Macrolides by Liquid Chromatography/Mass Spectrometry" pps
... dissociation of amino or sugar moieties on the structure of drugs The m / z 576.5 and 679.5 in mass spectra of erythromycin and roxithromycin were corresponding with Simultaneous Determination of Various ... 158.1 of erythromycin and roxithromycin was corresponding with a [desosamine + H]+ , and the m/ z 115.1 of roxithromycin was corresponding with a [cladinose-OCH3 + H]+ The fragment ions of tiamulin, ... for simultaneous determint ion because of the different derivatization method of each drug Kees et al [16] and Dreassi et al [17] have reported for the determination methods of erythromycin and...
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Báo cáo y học: "Combined antibiotic and free radical trap treatment is effective at combating Staphylococcus-aureus-induced septic arthritis" ppt
... mortality On the other hand, the ability of PBN to spin trap free radicals could have directly diminished joint tissue damage The role of oxygen- derived free radicals in inflammation and tissue damage ... inoculation of bacteria and continued until day 10 Positive values indicate amelioration of arthritis and negative values indicate increased severity of arthritis between days and 10 Results are expressed ... Foundation, and Rune and Ulla Amlövs Foundation for Neurological, Rheumatological and Audiological Research References PBN suppresses proinflammatory cytokine production (e.g interleukin-1 and tumor...
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báo cáo khoa học: "Determination of the volume-specific surface area by using transmission electron tomography for characterization and definition of nanomaterials" docx
... developments of soft- and hardware and GPU-based ET implementation [19] promise faster data processing allowing a combination of smaller intervals and the simultaneous analysis of several hundreds of particles ... representative electron tomographic 3D-reconstruction of spherical gold NP Bar: 50 nm Figure 1C and Figure 1D show the correlation between the calculated and measured volumes and areas of ten electron ... lack of resolution results in an underestimation of the VSSA because, relatively, nanometer-sized surface features contribute more to an increase of the particle surface than to an increase of...
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Báo cáo y học: " Double rupture of interventricular septum and free wall of the left ventricle, as a mechanical complication of acute myocardial infarction: a case report" pot
... accessible and non-invasive method, contributes significantly both to the diagnosis of every form of cardiac rupture, and the determination of the size of the defect and the magnitude of the left-to-right ... performed and disclosed a DMR, consisting of VSD [due to the rupture of the interventricular septum (IVS), with a maximal pressure gradient of approximately 90 mmHg], and rupture of the apical part of ... (60%), and male sex (male/female ratio:8/2) were risk factors for the development of this complication [1] There are two forms of DMR: a) true, with rupture of both IVS and LV free wall, and b)...
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Báo cáo khoa học: "The concentration of oxygen, lactate and glucose in the central veins, right heart, and pulmonary artery: a study in patients with pulmonary hypertension" ppt
... ΔSO2 and Δ[Lac] may be of little clinical interest if these gradients are produced exclusively by mixing of SVC and IVC blood streams On the other hand, if ΔSO2 and Δ[Lac] result from mixing of ... exclusively from mixing of SVC and IVC blood streams, we measured concentrations of oxygen and [Lac] in the central veins, the right heart chambers, and the pulmonary artery of hemodynamically stable ... as the mechanism for development of Δ[Lac] The finding of greater SO2 and [Lac] in IVC and SVC than in pulmonary artery indicates that further dilution of oxygen and [Lac] takes place as blood...
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Báo cáo y học: " Multi-faceted, multi-versatile microarray: simultaneous detection of many viruses and their expression profiles" pps
... the results of biomedical researc h in our lifetime." Sir Paul Nurse, Cancer Research UK Your research papers will be: available free of charge to the entire biomedical community peer reviewed and ... instance, cell lines latently infected with HIV-1 and KSHV were used to generate profiles of viral gene expression in the presence of cyclin-dependent Page of (page number not for citation purposes) ... post-translational modifications of histone proteins Methylation, acetylation, and/ or phosphorylation of certain amino acid residues at the amino terminal "tails" of histone H3 and/ or H4 can indeed influence...
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Báo cáo y học: " FEM-based oxygen consumption and cell viability models for avascular pancreatic islets" pot
... modelling of oxygen consumption of pancreatic islets (and of other tissues) is an important general goal in itself, but it is of particular interest for the development of improved islet culture and ... model of the dynamics of oxygen consumption, the oxygen consumption of islets was assumed to increase with increasing gluPage of 13 (page number not for citation purposes) Theoretical Biology and ... roughly corresponds to a partial pressure p O of 140 mmHg A maximum oxygen consumption rate Rmax (per unit islet volume) of 0.034 mol·s-1·m-3 was used in all calculations With a standard islet of 150...
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Decision model for determination of adaptation potential and renewal action for public housing in singapore
... land assembly; planning and design of estates; construction of public flats and related facilities; sale or rental of public units along with the provision of mortgages; preservation of the resulting ... space (a land area of 712.4 sq km) and limited natural resources, and heavily depends on imported energy and water For instance, it imported 99.84% of energy (The World Bank, 2009) and 40% of water ... aim of enhancing the efficiency of limited financial resources and natural resources (Das et al., 2010; Rosenfeld and Shohet, 1999) 1.2 Research Problem Given the complex nature of public housing...
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Index decomposition analysis of energy consumption and carbon emissions some methodological issues
... Bureau of Agricultural and Resource Economics (ABARE-BRS), Office of Energy Efficiency (OEE) of Natural Resources Canada (NRCan) of Canada, Energy Efficiency and Conservation Authority (EECA) of ... (2.1) where E and Ei denote energy consumption, and Y and Yi denote the monetary activity levels, of industry and sub-sector i, respectively The term Qi denotes the physical production of sub-sector ... the drivers of residential energy demand lead to different decomposition models and results, and hence different policy implications 10 CHAPTER 1: INTRODUCTION AND BACKGROUND The third research...
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