magnetic ordering of ferric oxide within mesoporo

... formation of barrier oxide layer on oxide- free surface of substrate [7,9] The fabrication process and durations of steps were chosen so that the effect of the first step on the size of the ordering ... step of anodic oxidation enhance the ordering of nanopores Conclusion In conclusion, based on the study, the three step anodic oxidation of aluminium has a considerable effect on the self -ordering ... by a two-step replication of honeycomb structures of anodic alumina, Science 268 (1995) 1466–1468 [4] H Masuda, K Yada, A Osaka, Self -ordering of cell configuration of anodic porous alumina with...

Ngày tải lên: 19/03/2014, 16:47

... in different iron oxides In order to determine the magnetization contribution of different magnetic phases, a basic knowledge for the magnetic properties of bulk Fe and its oxides is crucial ... ¼ 80 K with a magnetic moment of 2:5mB per atom of iron [17] The a-Fe2O3 phase is antiferromagnetic (paramagnetic) at temperatures To260 K (T4T N 950 K) while a destabilization of their perfect ... magnetization at K of the asprepared sample in an applied field of T is as large as 56 Am2 =kg, arising from the magnetization of metallic Fe and its oxides Assuming a magnetic moment of 2:2mB per iron...

Ngày tải lên: 20/03/2014, 13:08

... Li N: Novel magnetic behavior of Mn-doped ZnO hierarchical hollow spheres J Nanopart Res 2012 14:659 48 Lin X, Zhu Y, Shen W: Synthesis and optical and magnetic properties of diluted magnetic semiconductor ... further treatment In a typical process, mmol of mixed reactants of [Zn(CH3COO)2·2H2O] with different amounts of [Mn(CH3COO)2·2H2O] was dissolved in 30 mL of EG The mixture was stirred vigorously ... intensity of the diffraction peaks decreases, and the width broadens due to the formation of smaller grain diameters as a result of an increase in disorder on Mn2+ doping Also, the evolution of unit...

Ngày tải lên: 20/06/2014, 20:20

... on the field dependence of the superparamagnetic transition in a strongly interacting thin film of spinel-phase iron oxide NCs The field dependence is probed by a combination of zero-field-cooled (ZFC) ... thermal decomposition of an iron oleate precursor in the presence of oleic acid The iron oleate is prepared by reacting 2.17 g of FeCl3Á6H2O with 7.3 g of sodium oleate in a mixture of ethanol, deionized ... a TEM image of 14-nm FeO/Fe3O4 core–shell NCs b Microscopy of the same NCs at higher magnification c TEM image of 14-nm spinel iron oxide NCs on a Si3N4 membrane Fig 1a and b XRD of the sintered...

Ngày tải lên: 21/06/2014, 17:20

... Li N: Novel magnetic behavior of Mn-doped ZnO hierarchical hollow spheres J Nanopart Res 2012 14:659 48 Lin X, Zhu Y, Shen W: Synthesis and optical and magnetic properties of diluted magnetic semiconductor ... further treatment In a typical process, mmol of mixed reactants of [Zn(CH3COO)2·2H2O] with different amounts of [Mn(CH3COO)2·2H2O] was dissolved in 30 mL of EG The mixture was stirred vigorously ... intensity of the diffraction peaks decreases, and the width broadens due to the formation of smaller grain diameters as a result of an increase in disorder on Mn2+ doping Also, the evolution of unit...

Ngày tải lên: 21/06/2014, 17:20

... various combinations of polar/non-polar oxide interfaces, providing us further understanding of the nature of carrier confinement, magnetic interactions and origin of conductivity of the two dimensional ... parameters, electric, magnetic and dielectric properties of various perovskite oxides From the data base of Crystec GmbH [27] 19 2.1.4 Site termination control of ABO3 oxides One of the important ... gate electric field which offers tunability of magnetic interactions via gate electric fields The gate tunability of the magnetic interactions infers the significant role of spin-orbit coupling...

Ngày tải lên: 10/09/2015, 09:11

... Application of Graphene Oxide- MnFe2O4 Magnetic Nanohybrids as Magnetically Separable Adsorbent for Highly Efficient Removal of Arsenic from Water Magnetic and Surface Interaction Characterizations of ... of the adsorption bands of the oxygenated functional groups was found in the FTIR spectrum of the GO-MFO nanohybrid This is the result of the presence of the MFO NPs attached to the surface of ... particles sizes and shapes of MnFe2O4 nanocrystals were strongly dependent on synthesis conditions such as the mol ratio of Fe2+/Mn3+, concentration of sodium hydroxide, and pH of the solution By optimizing...

Ngày tải lên: 01/09/2017, 12:48

... 1) N2O produced by reduction of NO2-N 0.0 10 days 2) N2O produced by reduction of NO3-N Figure Behaviors of N2O produced from nitrate and nitrite by denitrification of a farmyard manure-amended ... 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...

Ngày tải lên: 05/09/2013, 08:40

... 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...

Ngày tải lên: 05/09/2013, 10:15

... with shape anisotropy of particles forming material and takes part of several tens percent of HC and finally the last term in (1) determined by magnetic elastic energy and often is small and could ... increase up-spin of positions 2a and 2b About the role of La to improve hard magnetic properties of hexagonal ferrite, the Vietnamese researchers have published a large number of publications ... nature of high performance hard magnetic propeties of Sr-Ferrite with La doping, Digests of the ICF8, Kyoto, Japan (2000) 13 [16] N.K Dung, D.L.Minh, B.T.Cong, N.Chau, N.X.Phuc, The influence of...

Ngày tải lên: 13/02/2014, 03:20

... hence it was the increasing of HC The increasing of HC proved that the soft magnetic property of ferrite NiFe2O4 changed to the hard magnetic property of ferrite CoFe2O4 Ni-Co ferrite samples ... part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration led to the increasing of anisotropy property of ferrites ... in an increasing magnetic moment per formula of Ni1-xCoxFe2O4 and equivalently, an enhancement of magnetization [7].The dependence of saturation magnetization Ms as a function of Co2+ concentration...

Ngày tải lên: 13/02/2014, 04:20

... of 2478 loff are pH-, wavelength- and CO-independent in the presence of an excess of sodium dithionite The loff values reported here correspond to those determined previously in the absence of ... Anderson SR & Antonini E (1968) The binding of carbon monoxide by human hemoglobin Proof of validity of the spectrophotometric method and direct determination of the equilibrium J Biol Chem, 243, 29182920 ... ẵFeIIIị NOt 4bị 4cị Values of kon and koff (reaction (a) in Scheme 1) were determined from the dependence of kobs on [NO], according to Eqn (2) [44] Values of K (= koff kon; reaction (a) in Scheme...

Ngày tải lên: 16/02/2014, 14:20

... the relation of our Ordering of Function Words approach to prior work and Section 10 wraps up with our conclusions The use of only one type of nonterminal allows a the same set of rules, resulting ... translation Ordering phrases with function words In Proceedings of the 45th Annual Meeting of the As- In Pro- sociation of Computational Linguistics, pages 712– ceedings of the 43rd Annual Meeting of ... approximate the topological ordering of hierarchical phrases via the topological ordering fiλi w(X → γ, α, ∼ ) = of function words We introduce a statistical re- (2) i ordering model that we call...

Ngày tải lên: 20/02/2014, 07:20

Ngày tải lên: 21/02/2014, 16:20

... 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...

Ngày tải lên: 22/02/2014, 04:20

... 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...

Ngày tải lên: 07/03/2014, 15:20

... that rXIP-I consisted of three molecular isoforms of pI 6.8–7.2–8.2 with a main band at pI 7.2 This value differs from native XIP-I of pI 8.7–8.9 [6], due to the insertion of the myc epitope and ... identification of a rice ortholog of the wheat XIP, originally classified as a rice class III chitinase and analyze the features that allow discriminating the subfamily of xylanase inhibitors within the ... characterization of pRIXI The pRIXI clone (GenPept databank; AN: BAA23810.1) is expected to encode a protein of 304 residues with a predicted relative molecular mass of 33 946.8 and a theoretical pI of 9.33...

Ngày tải lên: 07/03/2014, 17:20

... coefficient describing the dimension of cooperativity Experimental data for the inhibitory effect of Na+ were fitted to an exponential decay Effect of Na+ on tryptic hydrolysis of the oxaloacetate decarboxylase ... grow in presence of 360 mM NaCl because both Na+/H+ antiporters are lacking [13] After transformation of E coli EP432 with either of the mutant plasmids, growth in the presence of 360 mM NaCl was ... presence of 200 mM NaCl but no accumulation of [1-14C]acetate in the interior compartment and hence no proton transport from the inside of the proteoliposomes to the outside Accumulation of [1-14C]acetate,...

Ngày tải lên: 08/03/2014, 23:20

... children consumed only 64% of the recommended level of fruit and 46% of the recommended level of vegetables in 2003-04.  Average fruit consumption should increase to 75% of the recommended level ... calories, salt, vitamins or fat (two-thirds of consumers) •• Get a general idea of the nutritional content of the food (over one-half of consumers) Use of the Nutrition Facts nearly doubled in only ... risk of obesity at age 5, and a 260% greater risk at ages 9-10.67 The duration of smoking while pregnant and number of cigarettes smoked per day are both associated with increases in rates of childhood...

Ngày tải lên: 14/03/2014, 09:20

... 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 ... consisting of only the C-terminal domains of CaM resulted in reproducible •NO production rates of less than 50% The addition of excess wild-type CaM to iNOS coexpressed with each of the CaM constructs...

Ngày tải lên: 16/03/2014, 13:20