synthesis characterization and implications to mercury immobilization in sediment

... data, and in drafting the manuscript TG has contributed in acquiring the preclinical data, in analyzing and interpreting this set of data, and in drafting the manuscript MH has contributed in the ... imaging monoamine transporters: dopamine, serotonin, and norepinephrine PET Clin 2009, 4:101-128 Schou M, Steiger C, Varrone A, Guilloteau D, Halldin C: Synthesis, radiolabeling and preliminary in ... the final content of the manuscript OS has contributed in the concept and design of the study, in analyzing and interpreting data, and in drafting the manuscript, as well as in approving the final...

Ngày tải lên: 20/06/2014, 20:20

... the original loading solution determined Cu loading, resulting in values ranging between 12 and 16 wt.% based on these reactions conditions XPS was used to further confirm Cu loading and to probe ... containing other metal/ligand combinations that can be envisaged [37] Here, we report the synthesis, characterization, and metal binding properties of our Cu-binding particles, as well as preliminary ... out particle synthesis, and metal loading RP conceived of the study, and participated in its design and coordination, carried out in vitro toxicity studies, SEM and EDX analysis and drafted the...

Ngày tải lên: 21/06/2014, 02:20

... variety of coordination environments ranging from tetragonal six-coordination, to pentagonal seven-coordination and to hexagonal bipyramidal eight-coordination (Cotton and Wilkinson, 1988) These ... pyrazolones in constructing mixed-ligand resins for trapping toxic metals chromatographically (Chouhan and Rao, 1982; Korotkin, 1981) have been made Maurya and Maurya have recently reviewed coordination ... assignment Intra-ligand transitions Eg fi 3pu Intra-ligand transitions Eg fi 3pu Intra-ligand transitions Eg fi 3pu Intra-ligand transitions Eg fi 3pu Intra-ligand transitions Eg fi 3pu Coordination...

Ngày tải lên: 02/09/2015, 13:48

... methods according to the literature.9,10 Methanol, ethanol, and ethylene glycol served as solvents for dissolving Pt salts and PVP, and as a reducing agent of Pt according to the following reaction: ... hydrogen order increased from 0.48 to 1.10 as the temperature was increased from 223 to 336 K, at 25 Torr C2H4 and hydrogen pressures ranging from 50 to 650 Torr At low temperatures and high ethylene ... determined by ICP-MS b Number-average particle size Determined by counting a minimum of 200 free-standing particles Reaction conditions were 20 Torr C2H6, 200 Torr H2, and 643 K d Based on total...

Ngày tải lên: 08/10/2015, 23:16

... transported downstream towards the substrates by the carrier gas and during traversal they get converted into SiO2 molecules directly by reacting with O2 according to the following equation: 2SiOðgÞ ... mechanism Fig EDAX spectrum of a nanowire (shown in the inset) showing Si and O as main detected elements The quantitative data is also shown in the inset PL Intensity (a.u.) 393 nm 300 350 400 450 500 ... recorded during TEM investigation to examine their chemical composition The EDAX spectrum shown in Fig for a single nanowire reveals presence of only two elements Si and O with an atomic ratio...

Ngày tải lên: 16/03/2014, 15:18

... controlled and the MgCl2 solution at 50 mM in a syringe dipping into the cell The two solutions are mixed by computer controlled stepwise injections (typically in intervals of min) from the syringe ... is first transformed to ammonia and GTP, the latter being subsequently hydrolysed to GDP and Pi Magnesium binding and magnesium exchange rates To analyse the metal ion binding properties of GTPcNH2 ... active center in solution In combination with specific labeling of single residues in the protein [38] this may yield detailed insights into the dynamics of the nucleotide binding site The GTPcF analogue...

Ngày tải lên: 18/03/2014, 01:20

... on the other hand, a part of ascorbic acid in the system reacting with O2 dissolved in water made the amount of ascorbic acid to be too low to reduce Fe3+ to Fe2+, and finally led to the formation ... FeO standard and (b)-3 FeCO3 product ARTICLE IN PRESS 3448 Y Lv et al / Journal of Crystal Growth 311 (2009) 3445–3450 value in the (urea) system maintained a relative constant due to keeping ... shown in Fig 2e and f Accordingly, it concludes that as the reaction time prolonged from to 24 h the aggregated microspheres made up of subunits tended towards dispersion and becoming large in size...

Ngày tải lên: 20/03/2014, 13:08

... employees in 34 workplaces involved mainly in mining and manufacturing in Botswana, South Africa and Zambia during 2000–2001, found a national prevalence rate of 14.5% in South Africa and showed ... business impact of HIV/AIDS and responses thereto Both Studies and in each sector were preceded by a formative study involving interviews with managers or key people involved in HIV/AIDS in a ... should contain details about HIV, or whether this should be incorporated into training materials instead Policies that include information need to be updated regularly to ensure that the information...

Ngày tải lên: 22/03/2014, 18:20

Ngày tải lên: 24/03/2014, 10:21

... residues and are found in a range of diverse proteins The basic functional unit is believed to contain two CBS motifs, which associate closely together [19], binding ligands containing adenosine [20], ... with red borders indicating the mutations that have been described in vivo in pigs (V224I and R225Q in c3) or humans (mutations in c2, R225W and R307C in c3), and red letters indicating the mutations ... corresponding to R225Q and R307G, in the CBS2 and CBS4 domains (Fig 2) All complexes were expressed in E coli and purified from the soluble fraction by nickel–ion chromatography in quantities similar to...

Ngày tải lên: 30/03/2014, 08:20

... effect on the kinetics of the reaction Additionally, ligands such as HMT and ammonia can kinetically control species in solution by coordinating to zinc(II) and keeping the free zinc ion concentration ... strain induced band–widening Rapid thermal annealing (RTA) is an effective and simple tool to reduce the strain as well as to improve structural quality After RTA, a redshift in the excitonic ... (FWHM) of the XRD peaks increase monotonically with increase in reaction time It is primarily due to the reduction of size of the NRs with increase in milling time With increasing reaction time, the...

Ngày tải lên: 28/04/2014, 13:15

... the ZnO nanorod thin films fabricated at 75 °C for and h increase from 0.81 to 0.84 The packing density increases with the increase of thickness and refractive index, and reaches to a maximum value ... Medicine etc., and also to practicing scientists, students, researchers in applied material sciences and engineers How to reference In order to correctly reference this scholarly work, feel free to ... with previous XRD and SEM investigations In order to evaluate the extent of porosity presenting in the ZnO nanorod thin films, the packing density (P) was evaluated using the following Bragg–Pippard...

Ngày tải lên: 28/04/2014, 13:15

... Oblique incidence is seen at the top of the panel and the power flow successfully turns around the nanorods, going into SiO2 substrate In addition to this finding, let us remind that the sum of R and ... -40, 0, and 40 degrees are shown in Fig 2(a) with solid line, dashed line, and crosses, respectively The sign of incident angles θ is defined by the sign of x-component kin,x(=|kin|sinθ) of incident ... less were set in this study Such fine grids result in the increase in required memory in implementation Even for the unit domain in 2D periodic structures, which is minimum domain and becomes three-dimensional...

Ngày tải lên: 28/04/2014, 13:15

... due to intrinsic defects, such as oxygen vacancies and zinc interstitials Jun et al fabricated ultraviolet photodetectors based on ZnO nanoparticles with a diameter size of 70 nm using a paint ... nanorods, such as gallium (Ga), indium (In) , and aluminium (Al) In our study, we used Al ions doping because it could be easily incorporated into the ZnO lattice and because it enhanced some of ... practicing scientists, students, researchers in applied material sciences and engineers How to reference In order to correctly reference this scholarly work, feel free to copy and paste the following:...

Ngày tải lên: 28/04/2014, 13:15

... practicing scientists, students, researchers in applied material sciences and engineers How to reference In order to correctly reference this scholarly work, feel free to copy and paste the following: ... retail industry, enabling customers to checkout easily without the hassles of having to pay cash The semiconductor nanorod structure is based on a junction between nanorod structure and another window ... field at the nanorodwindow semiconductor nanojunctions and the carrier confinement in lateral direction are expected to result in enhanced absorption and collection efficiency in the proposed device...

Ngày tải lên: 28/04/2014, 13:15

... 2004) Contrary to expectations, an increase in the amount of seed produces a red-shift in the longitudinal plasmon band position, as shown in Fig 6, pointing toward an increase in aspect ratio ... Medicine etc., and also to practicing scientists, students, researchers in applied material sciences and engineers How to reference In order to correctly reference this scholarly work, feel free to ... Appropriate amount of acetone added to the electrolytic solution for loosening the micellar framework to assist the incorporation of the cylindrical-shape-inducing cosurfactant into the C16TAB micelles...

Ngày tải lên: 28/04/2014, 13:15

... al also investigated electrical o transport properties and observed resonant tunnelling and single electron tunnelling behaviours from InAs/InP nanowire heterostructures where InAs island segments ... ZnO bulk single crystals have been investigated in detail and considerable progress has been achieved in S27 G-C Yi et al the last few years in explaining the origins of different ZnO luminescence ... (CL), in comparison to PL, is an excellent tool for luminescence mapping and for selective area investigation of nanometre-sized structures including nanowires Lorenz et al [129] presented CL investigation...

Ngày tải lên: 28/04/2014, 13:16

... temperature After acquiring a reference spectrum, a flow of 500 mL/min N2 was introduced into a gas-mixing apparatus to carry away DMMP vapor, and the mixed gas was let into the in situ diffuse reflection ... clear increase in intensity, which again points to molecular adsorption in consistent with the results obtained in the high-frequency spectral region The frequency change of the P O stretching ... lattice fringes The d spacings of the lattice fringes are 0.376 and 0.364 nm, respectively, corresponding to the (0 0) and (2 0) planes of monoclinic WO3 Acidic metal oxides have abundant Lewis and...

Ngày tải lên: 05/05/2014, 15:28

... mechanical, including photocopying, microfilming, and recording, or by any information storage and retrieval system, without permission in writing from the publisher Current printing (last digit): 10 PRINTED ... through the interface These tunneling processes will begin to dominate in the nanometer size regime, causing errors in electronic data storage and manipulation A second problem inherent in any nanoscale ... monitoring the cyclooctane evolution by GLC Following the growing nanoclusters these two ways has proved invaluable, allowing kinetic and mechanistic studies, vide infra, and allowing us to know...

Ngày tải lên: 04/06/2014, 14:53

... results of ZnO and CNTs [5–11], in order to find optimal loading proportion and to investigate the intrinsic reasons for the absorption Figure 4a, b show the real part e0 and the imaginary part e00 ... vol.% loading From Fig 2a, it is clear that the inclination angle of these NWs (indicated with arrows) in the composites is different, leading to the randomly oriented NWs in the composites, and the ... formula predicts a distinct increase happening at around 30 vol.%, which results from the semiconductor–insulator transition at the percolation threshold [3], and a linear increase after percolation,...

Ngày tải lên: 22/06/2014, 00:20