formation and reduction of nitrogen oxides

... (0.1, and 10 mg/ml) for 72 hours The reduction of TG content was measured Data are expressed as mean ± SD of the percentage of control (i.e water-treated control set as 100) and number of independent ... accumulation of triglyceride (TG) as one of the hallmarks of adipogenesis The anti-obesity effect therefore could be represented by the suppression of TG formation in 3T3-L1 adipocytes Preparation of herbal ... for 24, 48 and 72 hours to measure the time-dependent regulation of ApoA-IV Data are expressed as mean ± SD of the multiple of Basal (i.e buffer-treated control set as one) and number of independent...

Ngày tải lên: 13/08/2014, 15:21

... agents of AD; however, the biological and structural characteristics of Ab oligomers and their formation mechanism remain unclear Structure and size of soluble Ab oligomers Many types of natural and ... visualization of Ab oligomer at the molecular level in living cells and animal models, may be required to elucidate the mechanism of formation of Ab oligomers Possible mechanism of soluble oligomer formation ... complexity of the oligomer formation mechanism The mechanisms of formation may also differ for extracellular and intracellular oligomers In this section, we discuss possible formation mechanisms of extracellular...

Ngày tải lên: 06/03/2014, 09:22

... retention time and MS cleavage of Ala1-TTX; and (c) the relative amounts of M1 and M2 were different depending on the acidity of the HPLC eluent or on the time elapsed between incubation and analysis ... characterization of stable carbinol-amide Table MS and MS-MS fragments of M1 TTX metabolite (in bold) and tentative assignment of loss of fragments obtained after HPLC-MS ESI in positive and negative ... NCH2OHAlalTTX of H2O and CH2O) and 311 (Table 2), whereas fragmentation of m z 465 and 467, which are in a ratio of 3:1, led to 30 amu loss The signal at m z 489 leads to fragments at m z 459 (loss of...

Ngày tải lên: 22/03/2014, 16:20

Ngày tải lên: 12/06/2014, 11:35

... Photochemical transformation of C60 and C70 films Thin Solid Films 1995, 257:185 Rao CNR, Govindaraj A, Aiyer HN, Seshadri R: Polymerization and pressureinduced amorphization of C60 and C70 J Phys ... is therefore supposed that air and irradiation of UV photons are essential for the reinforcement of clusters composed of C 60 molecules The dissociation energy of an oxygen molecule, O2®O + O, ... chamber were dissociated by photons of 184.9-nm wavelength, the energy of which is 6.48 eV, and oxygen atoms were bonded to C60 molecules The order of the diameter of the clusters being 10 nm, it...

Ngày tải lên: 21/06/2014, 06:20

... SiO2 layer and 1.4600 for the TPDA layer in the model have been applied Results and Discussion Effect of Dipping Time We have firstly looked at the effect of dipping time on the formation of TPDA ... and then, they react Fig Effect of solution dipping time on the film thickness and water contact angle 123 352 with the substrate surface groups chemically, i.e., by elimination of water and formation ... processes for the formation of multilayer, or relative contributions of the two alternative processes discussed above The contact angle of water is sensitive to the polarity of the surface and may be...

Ngày tải lên: 22/06/2014, 18:20

... consist of a mixture of different kinds of minerals; and some, consisting chiefly of one ingredient, are of different degrees of hardness Both of these changes must affect the character of the ... the sand, clay, and vegetable matters which they contain From analyses of many fertile soils, and of others which are barren or of poorer quality, it has been ascertained that the presence of certain ... instance of this The action of water Many kinds of rock become so soft on being soaked with water, that they readily crumble The chemical changes of the constituents of the rock Many kinds of rock...

Ngày tải lên: 29/06/2014, 15:20

... consist of a mixture of different kinds of minerals; and some, consisting chiefly of one ingredient, are of different degrees of hardness Both of these changes must affect the character of the ... the sand, clay, and vegetable matters which they contain From analyses of many fertile soils, and of others which are barren or of poorer quality, it has been ascertained that the presence of certain ... instance of this The action of water Many kinds of rock become so soft on being soaked with water, that they readily crumble The chemical changes of the constituents of the rock Many kinds of rock...

Ngày tải lên: 29/06/2014, 15:20

... and characterization of CuxS nanoparticles Nature of the infrared band and charge-carrier dynamics Pure Appl Chem., 72, 101–117 Ding, T., Zhang, J., Long, S & Zhu, J (2003) Synthesis of HgS and ... mixture 3.2 Mechanism of Formation Dixit et al.24 have synthesized a similar mixture of copper sulfides using copper-ammonia complex and thiourea Based on their work, the formation of covellite, CuS ... presence and absence of the particle Then, the number, N (ones), of particles within each square of different sizes, l, are counted The fractal dimension, D is obtained from the slope of the plot of...

Ngày tải lên: 07/08/2014, 14:20

... pressure of 60 mmHg and right ventricular pressure of 105 mmHg so outflow catheterization 2006: AP-RV of 45 mmHG Cardiac catheterization 2006: systolic pulmonary arterial pressure of 60 mmHg and right ... increased of pulmonary stenosis: systolic pulmonary arterial pressure of 27 mmHg and right ventricular systolic pressure of 126 mmHg so outflow gradient obstruction AP-RV of 99 mmHg Page of (page ... malformation is infundibular PS which represents 5,8% of AVSD and is often detected in adults Pulmonary valvular stenosis would represent about 2% of cases and is rather found in paediatric follow up Figure...

Ngày tải lên: 10/08/2014, 10:20

... 10.00% of rice bran oil, 5.00% of sorbitan oleate, 5.00% of PEG-30 castor oil, 0.05% of BHT antioxidant, 0.50% of preservative and 79.45% of distilled water 5.00% of sorbitan oleate, 5.00% of PEG-30 ... Williams HC, Bingham EA: Management of atopic eczema: Joint Workshop of the British Association of Dermatologists and the Research Unit of the Royal College of Physicians of London British Medical Journal ... Strong Page of Results and discussion Preparation of nanoemulsion The phase diagram with the rice bran oil, surfactants sorbitan oleate/PEG-30 castor oil and water shows formation of five different...

Ngày tải lên: 11/08/2014, 08:20

... of the CoFe2O4 / ZnO /SiO2, and the enlarged (333) diffraction of the CoFe2O4 films with different thicknesses 143 Figure In plane and out of plane hysteresis loops of the CoFe2O4 (40nm) ... (black) and out of plane (red) hysteresis loops of CoFe2O4 deposited at temperatures from 150° 250° 350° and 550° on glass substrates 90 C, C, C C Figure 10 In plane (black curve) and out of ... 300K and 5K 116 XI LIST OF FIGURES Figure 1 The density of state of non-magnetic, ferromagnetic, and half metallic meterials Figure Schematic diagram of Spin filter tunneling Below the TC of...

Ngày tải lên: 09/09/2015, 10:15

... surface of the pristine and functionalized Ti substrates Table 6.2 Surface density of loaded alendronate, and surface roughness of the pristine and functionalized Ti substrates viii LIST OF FIGURES ... wide-scan spectra (a) and XRD spectra (b) of the pristine Ti, TiS, TiH, TiSH, TiH-10 and TiSH-10 substrates and indicate the presence of anatase and rutile, respectively c: FESEM images of the pristine ... such as enhancement of osteoblast functions, reduction of bacterial adhesion and suppression of fibroblast proliferation 1.2 Research objective and scope The main objective of this thesis is to...

Ngày tải lên: 10/09/2015, 09:13

... before and (d) after mercury and lead adsorption of (a) chitosan, and (b) XII Figure 6.1 SEM images of the surfaces: (a) DCHB and (b) DCHB-PAAc beads Figure 6.2 FTIR spectra of (a) DCHB and (b) ... adsorption of heavy metals because this can prevent second pollution of heavy metals and allow recovery and reuse of the different types of heavy metals that are usually the common and often expensive ... Liu Changkun, Mr Wee Kin Ho and Mr Han Wei In addition, I also appreciate the assistance and cooperation from lab officers and technicians of Department of Chemical and Biomolecular Engineering...

Ngày tải lên: 14/09/2015, 08:44

... stability of PbO2 and trigger high levels of lead released into drinking water Lin and Valentine [21] investigated the reduction of PbO2 in the presence of NH2Cl and found that the amount of Pb(II) ... kinetics of PbO2 formation from the chlorination of Pb(II) carbonate solids, and (3) explore the stability of PbO2 in chloraminated water in the presence of Br- to advance our understanding of the ... process of reduction of PbO2 in the presence of Fe2+ and Mn2+ Figure 3.1 XRD patterns of synthesized Pb(II) solids (a) hydrocerussite (Pb3(CO3)2(OH)2) (b) cerussite (PbCO3) Figure 3.2 SEM image and...

Ngày tải lên: 30/09/2015, 06:15

Ngày tải lên: 26/10/2016, 09:07

... precursors to the formation of primary ozone, O3 Ozone is thought to be formed from the complex reaction of certain hydrocarbons and nitrogen oxides The role of nitrogen oxides in ozone formation is ... production In addition, OFA is a function of the location and number of ports, ports spacing and geometry, and on the fan capacity and furnace dimensions By itself, OFA can yield 15–30% reductions in NOx ... “atmospheric” nitrogen containing about 1% Ar, 0.03% CO2, and trace amounts of Kr, Ne, Xe; molecular weight of atmospheric nitrogen is 28.08 ϳ Humidity at 60% R.H and 80 deg.F often used as standard...

Ngày tải lên: 10/08/2014, 20:20

... selective formation of a cyanamide and a mixture of nitrogen oxides, NO and N2O It clearly differs from the oxidation of NOHA and N-hydroxyguanidine catalysed by hepatic cytochromes P450 and BH4-free ... that oxidation of N-hydroxyguanidine (or NOHA) in the presence of H2O2 and MP8 leads to the transient formation of NO and that further reaction of NO either with O2 in the presence of FeIIIMP8, ... presence of lM MP8 and mM H2O2 whereas 4-chlorophenylcyanamide gave low amounts of unidentied products, but without any formation of urea (data not shown) Formations of cyanamide 2, urea and (NO2+...

Ngày tải lên: 17/03/2014, 09:20

... of nitrogen oxides and aldehydes but less carbon monoxide Next to these components, diesel exhaust also includes submicron particles and fine particles below 10 μm which can cause a variety of ... exhaust exposure can be summarized as an increased prevalence of chronic cough and also of phlegm production and of dyspnea Also, the FEV1 of diesel exposed individuals can show a significant decrease ... effect of nitrogen dioxide These results were consistent with earlier reports based on categorical indicators of household nitrogen dioxide sources and provided a specific association of respiratory...

Ngày tải lên: 20/06/2014, 00:20

... effects of anaerobic conditions [2] The aim of the present study was to determine whether soil nitrate depletion could affect the absorption and reduction of nitrate in roots and leaves and the ... 15 and the resulting supernatant was filtered The fine powder of roots and leaves was also submitted to the same process using 50–200 mg of powder and mL of demineralised water [34] Nitrate and ... at days 0, 26 and 34, n = in control roots at days 26 and 54 (*) and (**) indicate significant differences between flooded and control at p < 0.05 and p < 0.01 respectively; (Mann and Whitney test)...

Ngày tải lên: 08/08/2014, 00:22