pharmacodynamics of nitrous oxide
CHARACTERISTICS AND DISTRIBUTIONS OF NITROUS OXIDE-PRODUCING DENITRIFYING FUNGI IN NATURAL ENVIRONMENTS
... inhibition of nitrous oxide reduction by denitrifying bacteria Biochemical and Biophysical Research Communication, 69, 705-710 Yoshinari T., R Hynes, and R Knowles (1977) Acetylene inhibition of nitrous ... similar to those of all samples examined in this study Contribution of fungal denitrification in natural environment The mass balance of nitrogen was calculated from the amounts of N2O and the ... also suggested that the degree of fungal dominance was not dependent on the pH of the soil Therefore enrichment of denitrifying fungi would depend on the components of available organic matter rather...
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Báo cáo y học: "Tumor necrosis factor alpha-dependent aggrecan cleavage and release of glycosaminoglycans in the meniscus is mediated by nitrous oxide-independent aggrecanase activity in vitro" pptx
... presence of varying concentrations of recombinant human TNFα (R & D Systems, Minneapolis, MN, USA) In most of the experiments a concentration of 100 ng TNFα/ml was used Three explant disks per well of ... HV made the acquisition of data and part of the analysis of the data, and was also involved in drafting of the manuscript AKL carried out the analysis and interpretation of mRNA data RM made substantial ... presented as mean ± standard error of the mean, n represents the number of independent experiments Statistical analysis of data was made using a one-way analysis of variance (ANOVA) indicating significant...
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Risk Assessment of Fenthion Oxide Derivatives in Aqueous Environment
... its oxides in river water On the basis of the metabolic profile and from the knowledge of environmental exposure routes, we further discussed the possible acute toxicity from exposure to MPP oxide ... able to be detected Toxicity evaluation of MPP oxide derivatives In water, MPP is gradually converted to MPP sulfoxide and then to traces of MPP oxon sulfoxide and MPP oxon sulfone (Tahara et al., ... followed by MPP oxon sulfoxide, and then MPP oxon Consequently, human risk assessment for MPP must be done on the basis of the contributions of its oxides The stability of MPP oxon sulfone with...
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Tài liệu Báo cáo khoa học: The multicopper oxidase from the archaeon Pyrobaculum aerophilum shows nitrous oxide reductase activity docx
... reduction of nitrate to dinitrogen gas is accomplished by different types of metalloenzymes in four steps: nitrate to nitrite, nitrite to nitric oxide, nitric oxide to nitrous oxide, and nally nitrous ... solution of dioxygen (1 mm) and nitrous oxide (25 mm) was prepared by bubbling Milli-Q water in a sealed serum bottle with oxygen or nitrous oxide gas [46] The kinetic constants for nitrous oxide, ... features of McoP, the reaction mechanisms for the reduction of nitrous oxide and dioxygen were investigated under steady-state conditions Primary plots of V0 versus [S] for the oxidation of McoP...
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Tài liệu Báo cáo Y học: Enhancement by a-tocopheryl hemisuccinate of nitric oxide production induced by lypopolysaccharide and interferon-c through the upregulation of protein kinase C in rat vascular smooth muscle cells docx
... delivery and distribution of TS in each cell line Recently, we found that TS-induced apoptosis of VSMC was caused by the stimulation of superoxide production due to the activation of NADPH oxidase [32] ... Effect of TS on LPS/IFN-induced NO production in VSMC The addition of LPS induced small, but significant NO production, but additions of both LPS and IFN induced detectably high levels of NO in ... VSMC As shown in Fig 2A, approximately 20 lM of NO was produced by 10 lgÆmL)1 of LPS and 100 UÆmL)1 of IFN Under these conditions, detectable induction of iNOS protein was observed by Western blotting...
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Báo cáo khoa học: Modulation of nitric oxide-mediated metal release from metallothionein by the redox state of glutathione in vitro doc
... suppression of the expression and activity of inducible nitric oxide synthase (iNOS) by zinc [32,33], released from MT under the influence of nitric oxide (NO), and the scavenging of NO through ... and CD spectra of metallothioneins devoid of any aromatic residues that Fig Wavelength and time scans of the CD of MT2 in the presence and absence of NO and GSH/GSSG CD spectra of 100 lM Cd5Zn2MT2 ... experimental time of one 2D spectrum was 12 h Samples consisted of 2.5 mg of Zn7MT2 or Cd5Zn2-MT2 in 0.5 mL of 20 mM potassium phosphate buffer pH 6.5 and 50 lL D2O A stock solution of 50 mM DEA/NO...
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Báo cáo khoa học: Binding and activation of nitric oxide synthase isozymes by calmodulin EF hand pairs potx
... In the presence of Ca2+, the addition of an equimolar ratio of CaM to either of the peptides resulted in a significant increase in a-helical content The addition of equal amounts of either iNOS ... formation of aggresomes [35] This may provide a rapid means of clearing the cells of iNOS that would be detrimental to the cell because of its prolonged production of large amounts of •NO Our ... presence of excess wild-type CaM The addition of the excess native CaM appears to prevent the apparent aggregation of the protein This is likely to occur because of a change in the interaction of nCaM...
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Formation of silicon oxide nanowires directly from au si and pd–au si substrates
... the MP of pure Au, resulting in the formation of Au–Si eutectic liquid alloy droplets Due to the high solubility of Si atoms in the liquid phase of Au–Si eutectic droplets, a great number of Si ... supersaturation of the liquid Au–Si eutectic droplets by the continuous supply of Si atoms from the substrate results in the formation of SiOx nanowires, instead of Si nanowires, due to the lack of vacuum ... higher than the of SiO2 On the other hand, the atomic ratio of Si/O in the SiOx nanowires formed on the Pd–Au/Si substrate is nearly consistent with the of SiO2, indicating the formation of SiO2 nanowires...
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Báo cáo khoa học: A pathway through interferon-c is the main pathway for induction of nitric oxide upon stimulation with bacterial lipopolysaccharide in mouse peritoneal cells pot
... absence of anti-(IFN-c) Ig In both cultures, a large amount of NO was produced upon LPS stimulation at doses of > ngÆmL)1, as shown in Fig In the presence of anti-(IFN-c) Ig, production of NO was ... signals of LPS for the production of these mediators are transduced through CD14 Stimulatory effect of IFN-c and IL-12 + IL-18 on NO production by PEC of C3H/HeN and C3H/HeJ mice The role of IFN-c, ... production of IFN-c by nonadherent cells occurs independently of LPS, as neither adherent cells nor nonadherent cells of HeJ mice respond to LPS Effect of LPS stimulation on the activation of IRF-1...
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conduction model of metal oxide gas sensors
... the bulk of the grain becomes comparable with the number of surface collisions; the latter may be influenced by Conduction Model of Metal Oxide Gas Sensors 147 Fig Schematic representation of compact ... influence of electrode-sensing layers contacts RC is the resistance of the electrode-SnO2 contact, Rl1 is the resistance of the depleted region of the compact layer, Rl2 is the resistance of the ... Model of Metal Oxide Gas Sensors This together with Eq (5) allows the determination of n S and θ as a function of only partial pressures ( pO2 ), temperature T , ionisation and chemical state of...
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electronic structure of titanium oxide nanotubules
... the intensity of intrinsic photovoltage Fig FISPS of TiO2 P25 and TiOx -NTs 369 response greatly increases with the increase of biases from to V At the same time, the low energy part of the photovoltage ... condition and the sensitivity of our SPS instrument, we havenÕt observed the response of subgap in TiO2 P25 To further testify the existence of the surface states, the PL spectra of the TiOx -NTs and ... effect of the external electric field Based on the experimental data of FISPS and PL, in the framework of band theory, we ascribe the new photovoltage responses to the electronic transitions of surface...
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fabrication of nanowires of multicomponent oxides review of recent advances
... precursor may form nanoclusters of its own metal oxide, yielding composite of multiple oxide phases, instead of a single phase complex oxide There are several ways of avoiding homocondensation and ... the preparation of ordered array of multicomponent nanowires The basis of sol –gel processing is the hydrolysis of a solution of precursor molecules to obtain first a suspension of colloidal particles ... prepare nanowires of complex oxides of the kind lanthanum calcium manganese oxide [65,66] and lanthanum strontium manganese oxide [67] within AAO templates A typical processing of manganite nanowire...
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facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres
... and the partial collapse of the substructure of the microspheres should be the main reason of the decrease of effective surface area of the annealed samples Fig TEM image of the WO3 ·xH2 O nanorods ... tungsten oxide surface Charge transfer is likely to occur from WO3 to absorbed NO2 because of the strong electron-withdrawing power of the NO2 molecules, which leads to the increase of thickness of ... is currently an associate professor at University of Toyama His research interests are in the areas of semiconducting oxide gas sensors and the deposition process of sputtered films Yanbai Shen...
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gas - sensing properties of tin oxide doped with metal oxides and carbon
... image of an MWCNTs-doped SnO2 sol (c); FE-SEM image of an MWCNTs-doped SnO2 (d) Please cite this article in press as: N Van Hieu, et al., Gas-sensing properties of tin oxide doped with metal oxides ... member of Physics Society of Vietnam and the Vietnamese Materials Research Society Please cite this article in press as: N Van Hieu, et al., Gas-sensing properties of tin oxide doped with metal oxides ... temperature of the PtO2 -doped SnO2 sensors with varying PtO2 doping content Please cite this article in press as: N Van Hieu, et al., Gas-sensing properties of tin oxide doped with metal oxides and...
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hydrothermal synthesis of tungsten oxide nanobelts
... in the presence of CTAB and the morphologies of WO3 were independent of the HCl When 1.2 g Na2S and 0.8 g CTAB were added at the same time, the morphologies Fig XRD patterns of WO3 nanobelts ... be concluded that addition of Na2S and CTAB at the same time is important and both of them affect corporately on the formation of WO3 nanobelts The growth mechanism of crystal is determined by ... along the [200] Fig EDS patterns of WO3 nanobelts The electron-induced X-ray fluorescence (EDS) analysis was employed to determine the composition of the tungsten oxide nanobelts As shown in Fig...
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microstructure characterization and no2 sensing properties of tungsten oxide
... images of tungsten oxide nanostructures synthesized at WCl6 concentration of 0.01 M, 0.015 M and 0.02 M, respectively, after annealing at 300 ◦ C for h (b) TEM image of the annealed tungsten oxide ... supersaturation of tungsten source, promoting the growth of tungsten oxide nanowires [23] At higher concentration, the highly saturated WCl6 could prohibit the growth of tungsten oxide nanowires ... New Teacher Foundation of Ministry of Education (No 200800561109) of China References [1] G Eranna, B.C Joshi, D.P Runthala, R.P Gupta, Oxide materials for development of integrated gas sensors-a...
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new technology of metal oxide thin film preparation for chemical sensor application
... in the presence of 10 ppm of ammonia as a function of the working temperature and number of interruptions of the deposition process Number of interruptions Fig Sensor response of rf sputtered ... [27–31] Since grain size is one of the key factors to enhance the gas sensing properties of metal oxide sensors, the aim of this paper is to study the influence of interrupting the deposition process ... Measurement of film thickness Table shows the measured thickness of the WO3 thin films Two basic tendencies in the thickness as a function of Table Thickness (nm) of the WO3 thin film as a function of the...
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one - pot facile synthesis of iron oxide nanowires as high capacity anode
... 315-318 Page of 14 Caption of figures Fig X-ray diffraction pattern of alpha phase iron oxide nanowires Fig SEM and TEM Images of Fe2O3 nanowires and precursors a) The SEM image of ip t Fe2O3 ... that can reveal the electrochemical mechanism of reactions Fig shows the first three cycles of CV curves of Page of 14 the nanowires in the range of 0.01-3 V It is clear that there is a substantial ... of the inner part of the single nanowire The HRTEM image clearly shows the microstructure of the individual grains, which confirms the polycrystalline structure of the nanowires The spacing of...
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Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose