... nanoparticles compared to those of the intensities for L10 FePt (pdf file 431359) and for Pt (marked by the astericks, pdf file 04-0802) The fundamental peaks of FePt structure were denoted by ... main peak of the L10 FePt which can be assigned to the Pt- rich FePt phase – FePt3 The presence of this phase can be explained by the incomplete diffusion between Fe and Pt domains 500 M (emu/g) ... magnetic squareness Mr/Ms reduced with J because of the presence of the Fe 3Pt Of cause, the kink in the magnetic curves was more evident in the samples with high Fe content ton = 0.5 s 1.0 Magnetic...
... substrate without Au- Ag alloy NPs (R6G/Cu sample); R6G on Cu substrate with mixture of Au and Ag NPs (R6G /Au/ Ag/ Cu sample) and R6G on Cu substrate with Au- Ag alloy NPs (R6G /Au- Ag alloy NPs/Cu sample) ... Nd:YAG to form Au- Ag alloy NPs By this method one can not need Au- Ag bulk alloys with different compositions that are expensive Moreover, by the laser based method one can prepare Au- Ag alloy NPs ... patterns of Au NPs show peaks as Ag- NPs, this is due to close lattice constants of Au and Ag (namely, Au: 4.0786 Å and Ag: 4.0862 Å) The TEM image and size distribution (Fig.5) show Au- NPs are...
... surface by sputtering deposition of Pt thin films followed by annealing Annealing was performed by rapid thermal annealing (RTA) in N2 ambient at 800 °C for The sizes of Pt NPs were controlled by varying ... Res Lett (2009) 4:1121–1125 capped byAg NPs is also given in Fig Here, the Ag NPs with the similar morphology as the Pt NPs were prepared by annealing a nm Ag layer deposited on a reference ZnMgO ... simple multi-scattering of light that occurred at the Ag/ ZnMgO interface Because of the similar morphology between the Ag and Pt NPs, for the Pt- capped ZnMgO film an emission enhancement resulting...
... Fig Optical micrographs of the Au/ Agnanoparticles containing glass after laser irradiation recorded using a non-polarized, and b, c polarized light, respectively 1.0 original particles Optical ... temperature By this sequential high-dose ion implantation of Ag? and Au? , metal particles have been formed in a surface-near region of the soda-lime silicate glass The dose of implanted ions ... sample in the described way with average single pulse energy of 20 lJ is shown in Figs (microscope images) and (optical absorption spectra) The lines prepared by high intensity fs laser irradiation...
... (SWCNT@SiO2) and Agnanoparticles immobilized SWCNT@SiO2 (SWCNT@SiO2 /Ag nanoparticles) based on the plasma-treated SWCNTs TEOS and MPTO in scheme are tetraethoxysilane and 3-mercaptopropyl-triethoxysilane, ... functionalized with thiol groups by using suitable amount of 3-mercaptopropyl-triethoxysilane (MPTO) as co-condensation agent together with TEOS Subsequently, the silver nanoparticles (Ag NPs) can be further ... SWCNT@SiO2 /Ag hybrids The Direct evidence for the formation of Agnanoparticles on the SiO2 surface is obtained from TEM observation Figure 3c, d shows the surfaces of SWCNT@SiO2 are decorated with Ag nanoparticles...
... Eo (Au+ /Au) = 1,7V Hi n tư ng c gi i thích là: A AuCl b n C AuCl3 d b oxi hóa D A, B u úng B do: 3AuCl → AuCl3 + Au Câu 71: Nh ng kim lo i không b hòa tan dd HNO3 là: A Au, Pt B Au, Cr C Au, ... Cu, Ag, Fe, Al, Zn C Al, Fe, Zn, Cu, Ag B Ag, Cu, Al, Zn, Fe D Al, Zn, Fe, Cu, Ag Câu 24: Có kim lo i: Cu, Ag, Fe, Al, Au d n i n c a chúng gi m d n theo th t : A Ag, Cu, Au, Al, Fe C Au, Ag, ... Cu(NO3)2 AgNO3 Thành ph n % kh i lư ng c a h p kim là: A 60% Cu 40% Ag C 64% Cu 36% Ag B 36% Cu 64% Ag D 50% Cu 50% Ag Câu 49: Tinh th dùng ngưng t nư c, t o mưa là: A AgBr B AgI C AgF D AgCl Câu...
... Eo (Au+ /Au) = 1,7V Hi n tư ng c gi i thích là: A AuCl b n C AuCl3 d b oxi hóa D A, B u úng B do: 3AuCl → AuCl3 + Au Câu 71: Nh ng kim lo i không b hòa tan dd HNO3 là: A Au, Pt B Au, Cr C Au, ... Cu, Ag, Fe, Al, Zn C Al, Fe, Zn, Cu, Ag B Ag, Cu, Al, Zn, Fe D Al, Zn, Fe, Cu, Ag Câu 24: Có kim lo i: Cu, Ag, Fe, Al, Au d n i n c a chúng gi m d n theo th t : A Ag, Cu, Au, Al, Fe C Au, Ag, ... Cu(NO3)2 AgNO3 Thành ph n % kh i lư ng c a h p kim là: A 60% Cu 40% Ag C 64% Cu 36% Ag B 36% Cu 64% Ag D 50% Cu 50% Ag Câu 49: Tinh th dùng ngưng t nư c, t o mưa là: A AgBr B AgI C AgF D AgCl Câu...
... largely due to the natural variation in metal uptake by the midge larvae Also in other studies on cadmium uptake by midge larvae, a high variation in metal uptake within a treatment was observed (Seidman ... the uptake of the metals by the larvae Fig shows the results of the effect of the pH of exposure on Cd uptake in the different acclimation groups Within each acclimation group cadmium uptake ... regression analysis for cadmium uptake by midge larvae Relating cadmium uptake to the free cadmium ion activity describes only 6% of the total variation in cadmium uptake When the term was added...
... silver nanoparticles obtained by a transmission electron microscope (TEM) was shown in Fig The spherical shape of the nanoparticles observed by TEM is consistent with the optical absorption peak ... prepared by laser ablation (a) and by chemical reduction (b) Fig Absorption spectra of silver nanoparticles produced by laser ablation in a 0.003, 0.01 and 0.1M solution of PVA The silver nanoparticles ... particles produced by chemical reduction shifted to 440 nm as compared to 400 nm by laser ablation The peak width of silver nanoparticlesby laser ablation is narrower than that by chemical reduction...
... Microstructure and Optical Absorption Analysis of CuO Nanoparticles Synthesized by Sol-Gel Route served XRD pattern Our XRD results thus confirm synthesis of pure and well crystalline CuO nanoparticles ... effects on the magnetic and optical properties of CuO nanoparticles , J Nanopart Res 13, 2497 (2011) [18] A Sawaby, M.S Selim, S.Y Marzouk, M.A Mostafa and A Hosny, “Structure, optical and electrochromic ... 291, 196 (2006) 74 P Mallick et al.: Structure, Microstructure and Optical Absorption Analysis of CuO Nanoparticles Synthesized by Sol-Gel Route [12] W Wang, Y Zhan and G Wang, “One-step, solid-state...
... Microstructure and Optical Absorption Analysis of CuO Nanoparticles Synthesized by Sol-Gel Route served XRD pattern Our XRD results thus confirm synthesis of pure and well crystalline CuO nanoparticles ... effects on the magnetic and optical properties of CuO nanoparticles , J Nanopart Res 13, 2497 (2011) [18] A Sawaby, M.S Selim, S.Y Marzouk, M.A Mostafa and A Hosny, “Structure, optical and electrochromic ... 291, 196 (2006) 74 P Mallick et al.: Structure, Microstructure and Optical Absorption Analysis of CuO Nanoparticles Synthesized by Sol-Gel Route [12] W Wang, Y Zhan and G Wang, “One-step, solid-state...
... 1/1 and 3/1 respectively) a counts (a.u.) Au/ Ag = 1.05 Au O Ag Cu Cu AuAuAu 10 12 14 Energy (keV) O Au b Counts (a u.) Au/ Ag = 3.02 Cu Cu AgAuAuAu 10 12 14 Energy (keV) Figure EDS spectra ... bimetallic nanoparticles Figure shows the typical HAADF images of our bimetallic nanoparticles prepared with Au/ Ag = 1/1 and Au/ Ag = 1/3 compositions We can perceive only a homogeneous image contrast ... ) for bimetallic systems AuxAg(1-x) can be defined by considering the weighted average for each component: ε av ( Au x Ag (1− x ) ) = ε av ( x, ω ) = xε ( Au ) + xε ( Ag ) (5), where x is the...
... dehydrogenase activity in cells was measured by the MTT test, based on the cleavage of MTT into blue formazan [30,31], adapted in our group by Auvray et al [32] The optical density was measured using a ... We also made this assumption because the plantextracts did not have any cytotoxicity by themselves in our conditions A major extracellular trapping was almost excluded by the fact that a labelled ... curative effects reached 28% for Dig after HepG2 intoxication by BPA-Az Therefore, it seems that oxidative damage protection byplantextracts cannot explain all the effects Moreover, with R tested...
... nanoparticle synthesis The microfluidic reactor, fabricated by UV-LIGA process and sealed by semi-solid sealing process, is shown as the optical image in the center of the figure The reactor consists ... Fig The SEM image of the cross section of the channels Based on the image, the channel width and depth were determined to be 60lm and 600 lm, respectively, suggesting a high depth/width ratio ... amorphous CoSm nanoparticles show a wasp-waist hysteresis loop at 10 K with an average coercivity of 225 Oe (right-bottom inserted image) and a Hc of Oe at 300 K (a); the FC and ZFC magnetization...
... La0.7Sr0.3MnO3 nanoparticles (*30 nm) synthesized by citrate-gel route reported by Rajagopal et al [12], and higher than the value of 23 emu/g for La0.7Sr0.3MnO3 nanoparticles (*48 nm) synthesized by sol–gel ... stabilize the oxide phase at lower temperature This phenomenon agrees with the one found by Gaudon et al [4] for LSMO prepared by sol–gel method, while for the samples with x [ 0.3, the substitution ... structure transformation occurs at 900 °C in most samples except for x [ 0.3 These results are in good agreement with the work reported by Gaudon et al [4] The substitution of divalent cation Sr2?...
... in Fig 4a, Pt NPs are uniformly distributed on the sidewalls of N-doped CNTs By contrast, those Pt NPs agglomerate on the surface of undoped CNTs in Fig 4b From the SEM images of Pt NPs on N-doped ... chamber during CNTs growth For Pt deposition, DC sputtering under Ar gas flow was performed Pt 4p N 1s Pt 4d C 1s 800 600 400 200 Binding energy (eV) Fig Surface scan of Pt NPs immobilized on N-doped ... degree of dispersion for Pt NPs on CNTs is substantially reduced; therefore, the Pt NPs will agglomerate as shown in Fig 5b It provides the important information that Pt NPs are uniformly dispersed...
... prepared hexagonal Ag/ Pt nanoshells, Ag/ Pt nanoparticles, and Ptnanoparticles were used as electrocatalysts In contrast to the spherical Pt and Ag/ Pt nanocatalysts, the hexagonal Ag/ Pt nanoshells ... -15 -20 0.4 0.5 0.6 0.7 0.8 0.9 Voltage (V) vs Ag/ AgCl Fig The comparative LSV curves of the hexagonal Ag/ Pt nanoshells, spherical Ag/ Ptnanoparticles and Ptnanoparticles for electroreducing oxygen ... (220), and (311) peaks in the Pt standard XRD Nanoscale Res Lett (2009) 4:193–196 195 (A) Current density (mA/cm ) -5 Ptnanoparticles Ag- Ptnanoparticles Hexagonal Ag- Pt nanoshells -10 -15 -20 0.4...
... the AuNPs are in aggregated form [9] Because the limited spatial resolution of the optical microscopy, the number of AuNPs in each aggregate cannot be simply identified by the optical images ... http://www.jnanobiotechnology.com/content/8/1/33 Page of 13 Figure The 3D images of the distribution of AuNPs (a) The calculated 3D image for 45-nm-AuNP aggregates distribution on a HeLa cell (b) The calculated 3D image for 70-nm-AuNP aggregates ... Fabrication of AuNPs AuNPs were prepared by using the reduction of chloroauric acid (H[AuCl4]) solution [16,17] Different diameters of AuNPs were made by using different ratios of chloroauric acid...
... the presence of the extracts divided by the DMSO control Shown are the averages and standard errors of three experiments performed in triplicate **, p < 0.001 Page of 13 (page number not for citation ... calculated by subtracting the infectivity in the presence of the extracts from the DMSO control at each time point Data from the extracts 27666 and 27748 were averaged nd, data not determined Page of ... Prunella extracts inhibit EIAV infectivity primarily by acting on Prunella extracts inhibit EIAV infectivity primarily by acting on viral particles A) Ability of cell-associated Prunella extracts...