synthesis and reactions of coordination compounds
DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS
... The coordination geometry of IV-1 with labels, H- 4-6 bonded chains, and packing of showing the alignment of 4spy ligands XVIII Figure 4-2 TGA and DTG of IV-1 4-7 Figure 4-3 4-10 H-NMR spectra of ... (MOFs), Metal-Organic Materials (MOMs) and so on The potential of these compounds is evident from the recent commercialization of five MOFs.[15] Figure 1- A schematic representation of a MOF ... acids instead of bdc and 4spy as photoreactive ligand Both the cca and ndc showed the formation of isostructural 2D interdigitated CPs with paddlewheel SBU UV irradiation of these compounds showed...
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![Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc](https://media.store123doc.com/images/document/14/br/vp/small_vpv1392870032.jpg)
Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc
... potential, and addition of a TPP-moiety has been used to drive the selective uptake of a wide variety of Ó FEBS 2003 Fig Selective uptake of mitoDC-81 by mitochondria and subsequent alkylation of mtDNA ... mitochondria and cells In addition to facilitating the development of antigenomic therapies, such a reagent might also be useful in investigating the rate of turnover of mtDNA and in the derivation of ... the vicinity of mtDNA with the resultant binding and selective alkylation leading to a depletion of mtDNA in intact cells (Fig 1) Here we report the synthesis and characterization of a novel mitochondria-targeted...
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Tài liệu Báo cáo Y học: Phosphatidylinositol synthesis and exchange of the inositol head are catalysed by the single phosphatidylinositol synthase 1 from Arabidopsis docx
... chloroform and upper aqueous phases In the absence of CMP and in both +PIS and –PIS strains, a release of label in the aqueous phase was observed after incubation To calculate the liberation of ... microbial environment is capable of catalysing several enzymatic reactions: PtdIns de novo synthesis, using CDP-DAG and free inositol as substrates and producing PtdIns and CMP; a CMP-independent exchange ... concentrations of manganese chloride and varying amounts of EDTA appear on the y axis just above a maximum activity of 2.0 nmol PtdInsÆmg)1Æmin)1 between 2.5 and mM EDTA At 10 mM, synthesis decreased...
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Báo cáo khoa học: Functional dissection of Escherichia coli phosphotransacetylase structural domains and analysis of key compounds involved in activity regulation potx
... (B) Regulation of the forward and reverse Pta reactions Pta catalyzes both the synthesis and degradation of acetyl-CoA These two reactions are differentially regulated by pyruvate and PEP, which ... obtained for Pta-F2 and Pta-F1 (B) Activation of the acetyl phosphate synthesis activity of E coli Pta by different concentrations of pyruvate and PEP Results are presented as percentage of activity ... from CONICET and ´ ´ Agencia Nacional de Promocion Cientı´ fica y Tecnologica M F Drincovich and C S Andreo are members of the Researcher Career of CONICET, and V A Campos-Bermudez and F P Bologna...
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Báo cáo khoa học: Synthesis and function of ribosomal proteins – fading models and new perspectives pptx
... activity of RP mRNA for adjustment of the biosynthesis of ribosomes to the requirements of cell growth and differentiation In addition, a relevant contribution of protein turnover to the regulation of ... ribosome pathologies have had in our understanding of regulatory mechanisms of RP synthesis Translational regulation of RP synthesis Sequence comparison of some vertebrate RP genes cloned in the ... mechanism of DBA in cultured cells showed that alteration of any of the involved RPs can affect the maturation of rRNA [72] Moreover, investigations on the effect of mutations on the synthesis of RPS19...
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Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-affinity substrate for H+/peptide cotransporters pdf
... parameters and transport characteristics of Bip-[3H]Pro Results and Discussion Synthesis, chemical characterization and stability of Bip-Pro Figure shows the structure (Fig 1A) and the synthesis ... cells and 10 and 100 lm in SKPT cells) in the presence of increasing concentrations of Bip-Pro (0– 100 lm and 0–50 lm, respectively) The results are Fig Interaction of Bip-Pro with PEPT1 and PEPT2 ... concentrations and at increasing Bip-Pro concentrations The diffusional component of [14C]Gly-Sar uptake, of 8% in Caco-2 cells and of 4% in SKPT cells, measured in the presence of excess of Gly-Sar...
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Synthesis and Application of Nanosize Semiconductors for Photoxidation of Toxic Organic Chemicals pptx
... transfer reactions CO2 + HCl MoS2 nanocrystal Clusters can be used in both dispersed and heterogeneous forms (supported) tsnl Advantanges of this Approach•The light absorption and energy levels of ... •Our synthesis allows easy chemical modification of the nanocluster surface properties (e.g deposition of a metal) •Small size of nanocluster vastly reduces electron-hole recombination rate and ... Kinetics of Photo-Redox ReactionsBasic Concept • Chemicals (and dispersed nanoclusters) travel through a porous medium which separates them and they elute at various times Example - Destruction of...
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Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
... morphological property of SiNWs, a FE-SEM observation was carried out after synthesis of SiNWs Fig 1(b) shows the topview (15° tilted) and cross-section (see inset of Fig 1(b)) FE-SEM images of the SiNWs ... at λ b 700 nm [20] The difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH4 gas flow The reduction of reflectance is very helpful to ... Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electrical properties, the I–V curve of the fabricated SiNWs...
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Synthesis and characterization of semiconducting nanowires for gas sensing
... investigation of the termination of the nanowire lateral sides and apex Electron diffraction (ED) and analysis of zero-order and higher-order Laue-zones allows precise determination of unit cell and space ... nanowire, (d) STEM-HAADF image of a nanowire, and (e) linescan of the HAADF signal (solid line) and numerical fit of the shape of the nanowire (dashed line) As both composition and phase can be considered ... effect is fast (time scale order of seconds) and fully reversible The amplitude of quenching achieves its maximum at room temperature and the influence of humidity and other reducing gases is negligible...
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Báo cáo khoa học: Synthesis and characterization of Pi4, a scorpion toxin from Pandinus imperator that acts on K+ channels doc
... sidechains of Glu332 of each rat Kv1.2 a-subunit (Kv1.2 channel is composed of four a-subunits) and Arg10, Arg19, Lys30 and Lys33 of Pi4 The Lys26 sidechain of Pi4 enters into the ion channel pore and ... binding of [125I]apamin without any other ligand, and B is the binding in the presence of the indicated concentrations of competitor Abscissa axis is the logarithm of the molar concentration of competitor ... atoms of the P-domain selectivity filter Residue Tyr35 of Pi4 is involved in a hydrophobic cluster of aromatic residues consisting of Trp344, from one of the four Kv1.2 a-subunits, and Trp345 and...
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Báo cáo Y học: The opgGIH and opgC genes of Rhodobacter sphaeroides form an operon that controls backbone synthesis and succinylation of osmoregulated periplasmic glucans pot
... and functional characterization of these genes, opgGIH, necessary for OPG backbone synthesis and of a new gene, opgC, necessary for OPG succinylation MATERIALS AND METHODS Bacterial strains and ... demonstration of acetyl substitution of the OPGs [13] The transposon insertion was located just downstream of a series of genes similar to the E coli mdoGH operon that govern the synthesis of OPGs ... The extracts were concentrated by rotary evaporation, and lipids and proteins were then removed by the addition of a mixture of chloroform and methanol (2 : 1) The aqueous phase, containing OPGs,...
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facile synthesis and characterization of novel nanocomposites
... large amount of water and hydroxyl groups existed in the tubular products because of the existence of a bending vibration of H O H at 1630 cm−1 , and a strong stretching vibration of O H Fig EDX ... reaction of bulky rutile powders and 10 M NaOH solution without using any templates and catalysts The inner and outer diameters of the nanotubes were approximately and nm, respectively The amount of ... the inner of the nanotubes, forming an interesting composite structure that possesses both the surface properties of rutile nanocrystals and most morphology and mechanical properties of titanate...
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hydrothermal synthesis and characterization of - feooh and fe2o3 uniform nanocrystallines
... / Journal of Alloys and Compounds 433 (2007) 216–220 Fig (A) TEM image of the sample produced at 140 ◦ C for h (B) TEM image of the sample produced at 140 ◦ C for h The insets of (A and B) show ... structure-directing agent, and simple compounds of the hydrated ferrous chloride and sodium borohydride as reactants directly The high yields, simple reaction apparatus and low reaction temperature ... (hematite) nanocrystallines X Liu et al / Journal of Alloys and Compounds 433 (2007) 216–220 219 Fig (A) Low- and (B) high-magnification SEM images of the fusiform ␣-Fe2 O3 nanocrystallines synthesized...
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hydrothermal synthesis and characterization of self - assembled h - wo3
... control over the shapes of nanowire bundles and nanorods, allowing the formation of urchin-like crystalline h-WO3 via simple substitution of NH4 + in place of Na+ ions of EDTA salt solutions Experimental ... growth of aggregate particles is facilitated and followed by the growth of 1D nanorods to form the urchin-like structure TEM and HR-TEM micrographs of h-WO3 nanostructures formed using Na+ ion- and ... chelating, capping, and as a structure-directing template in the synthesis of 1D nanostructured materials Thus, it appears that Na+ -or NH4 + -based J.-H Ha et al / Journal of Alloys and Compounds 475...
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hydrothermal synthesis and characterization of some polycrystalline iron oxides
... intensity of the second and ®fth lines of the spectra, in the case of oxides This behaviour can be explained by the preferential orientation of the platelike particles, parallel to the surface of the ... enhancement of the M lines can be a measure of the orientation of the particles at the surface of the green body To illustrate, Fig shows (a) the transmission and (b) CEMS spectrum of the platelike ... ®ltered and then oxidised by drying at 110 C in air F Another path in the hematite synthesis was the direct hydrothermal treatment of an homogeneous mixtures of ferric nitrate (1 M) and urea...
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hydrothermal synthesis and characterization of tio2 nanorod arrays on glass substrates
... temperature of 160 8C and with growth time of h Fig TEM images of TiO2 nanorods grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and with ... FE-SEM images of TNAs grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and growth time of h (a) PT-substrate; (b) top view of TNAs; (c) ... distribution of TiO2 nanorods grown on PT-substrate at an annealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and with growth time of h Fig SEM image of TiO2 nanorod...
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hydrothermal synthesis and photoluminescence of tio2 nanowires
... PL bands to self-trapped excitons localized on TiO6 octahedra Serpone et al [18] reported the PL bands of anatase TiO2 nanocrystals at the long 303 wavelength range (465 and 520 nm band) and ... nanowires (A and B represent anatase and brookite, respectively) can also be found, it is much lower than those of anatase phase No characteristic peaks of other impurities, such as NaCl and Na2 TiO3 ... image of the asprepared TiO2 nanowires The SEM image indicated the nanowires are very copious in quantity and quite clean with no contamination attached to their surface On the other hand, some of...
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synthesis and application of dna-templated silver nanowires
... Science Foundation of China (NO 60574095), the Knowledge Innovation Program of the Chinese Academy of Science (kjcxz-sw-h12-02, 0723A11125) and the chief foundation of Hefei Institutes of Physical Science, ... profile of the nanowires show that the diameters of the nanowires obtained at h and h are 2–3 nm and 3–4 nm, respectively Combined with the UV–vis spectra, it is suggested that increase of the ... Figs and 4) and, importantly, the good agreement between the present results and the previous report [30] 3.2 Gas sensing performance of the DNA-templated silver nanowires 3.2.1 Effect of NH3...
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synthesis and characteristics of fe3+-doped sno2 nanoparticles via
... 259.8 L.M Fang et al / Journal of Alloys and Compounds 454 (2008) 261–267 265 Fig Bright field TEM and HRTEM micrographs of samples: (a) SGH1, (b) SGH5, and (c and d) SGH15 SnO2 nanoparticles ... HRTEM micrographs of SGC15 266 L.M Fang et al / Journal of Alloys and Compounds 454 (2008) 261–267 Fig FT-IR transmission spectra of samples: (a) SGC series and (b) SGH series range of 1059 cm−1 ... leads to a distortion of the crystal structure of the host com- L.M Fang et al / Journal of Alloys and Compounds 454 (2008) 261–267 263 aggregates also retarded the growth of SnO2 nanoparticles...
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synthesis and characterization of conductive polypyrrole multi-walled carbon
... positions of the main IR bands which are associated with the structure of the Fig FESEM images of wt% PPy/MWCNT composites synthesized with weight ratio of PSS/pyrrole monomer of (c) 0.1, (d) 0.3 and ... conductivities and these results may be due to the decrease in the thickness of PPy with the presence of high content of PSS In order to understand the role of PSS during the formation of PPy/MWCNT ... spectroscopy of wt% PPy/MWCNT composites synthesized with weight ratio of PSS/pyrrole monomer of (b) 0.1, (c) 0.3 and (d) 0.5 For comparison, the Raman spectroscopy of (a) primary PPy/MWCNT composites and...
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