synthesis displacement and dissociation of gases

... was tested by formation of the complex between RasGTPcNH2 and the Ras-binding domain of the Ras effector protein c-Raf-1 MATERIALS AND METHODS General description of synthesis High pressure liquid ... methanol, again evaporated and dried over P4O10 Monoamido-phosphoric acid, H2PO3NH2, was prepared as described [11] Synthesis of GTPcNH2 and GTPcF Fig Chemical structure of the nucleoside triphosphate ... methanol and repeated evaporation under reduced pressure, yield of the pure GTPcNH2 was 50–60% One gram of GTP triethylammonium salt was added to a stirred solution of 2.5 mL tributylamine and 1.2...

Ngày tải lên: 18/03/2014, 01:20

... AJ888885) Comparison of genomic and cDNA revealed two introns with a size of 58 and 64 bp Removal of the introns led to an open reading frame of 465 amino acids and a molecular mass of 51.41 kDa, which ... observed Formation of sterigmatocystin (ST), a precursor of aflatoxin B1, the synthesis of ascoquinoneA, a polyketide giving the sexual ascospores the red-brown colour and synthesis of naphtopyrone, ... different degree of disruption of the mycelium and some loss of the acyl-CoA during the purification procedure Anyhow, an approval of the procedure with known concentrations of acetyl-CoA and propionylCoA...

Ngày tải lên: 23/03/2014, 15:20

... (TG) and differential scanning calorimetry (DSC) with a heating rate of 10°C min-1 Results and Discussion Experimental Section Crystal Phase and Microstructure of Mixed Rare Earth Phosphates Synthesis ... 0.9 mol With the 1:9 M ratio of Gd3? and Y3?, Y0.9Gd0.1PO4 present to the pure tetragonal phase In one word, because the ion radii of Y3?, Gd3? and La3? are 88, 93.8 and 106.1 pm, respectively, ... difference in radius between La3? and Gd3? (Gd3? and Y3?) is smaller than that of Y3? and La3?, so the product can present the pure phase with the different content ratio of the rare earth ions Besides,...

Ngày tải lên: 21/06/2014, 08:20

... nanostructures constitutes the basis of nanoscience Manipulated control of the properties and response of nanostructures can lead to new devices and technologies The synthesis of nanosized materials is ... calcinations time and temperature have a great influence on the particle size and phase purity of the final powder 2.6 Sintering of Nanopowder Synthesis, characterization and processing of nanocrystalline ... sintered at (a) and (b) 1300oC; (c), (d) and (g) 1400oC, (e) and (f) 1600oC for h at ambient atmosphere 49 Figure 20 Variation of Vickers hardness and compression strength of TiO2 ceramics...

Ngày tải lên: 02/07/2014, 12:57

... grateful to Professor Hidajat Kus for his help and support I also extend my appreciation to Prof Chung Tai Shung, Prof Hong Liang, Prof Kang En Tang, Prof Tan Thiam Chye, and Prof Song Lianfa ... production in steam reforming of ethanol (SRE) and CO2 reforming of ethanol (CRE) A fundamental understanding of the cause of the high activity and the stability of Rh/oxide-nanotube catalysts ... recent synthesis and applications of oxide nanotubes and mesoporous materials attract intense research interests due to their chemical and physical properties This thesis reports the synthesis and...

Ngày tải lên: 11/09/2015, 10:19

... SYNTHESIS, ASSEMBLY, AND APPLICATIONS OF TITANIUM-DIOXIDE NANOSTRUCTURES AND RELATED NANOCOMPOSITES LI JING (BEng & MEng, Tianjin University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2007 ...

Ngày tải lên: 13/09/2015, 21:39

... edge and core region of a NW of diameter ~80 nm A low magnification TEM image of the same NW is displayed in the inset of (d) and (f) its SAED pattern (g) and (h) HRTEM images of Nb2O5 NWs of diameter ... captured near the edge and core region of a NW of diameter ~180 nm Inset of (a) is a low magnification TEM image xii LIST OF FIGURES of the same NW and (c) its SAED pattern (d) and (e) HRTEM image ... SEM image of the cobalt foil with nanowires after minutes of growth and (d) SEM image of the same region of the foil taken after a subsequent minutes of growth (e) a typical TEM image of the Co3O4...

Ngày tải lên: 14/09/2015, 14:11

... (b) the composite of C1 and PLA and (c) the composite after immersed in DCM for 30 Figure 4-4 SEM images of (a) B1+S and (b) the composite of B1+S and PLA Figure 4-5 SEM images of (a) B2, (b) B2/PLA, ... Calculation of anisotropy constants (K) in C1 and C2 Table 3-5 Calculated crystallite sizes of B1 and B2 estimated using Scherer’s formula Table 3-6 Crystallite sizes and strains of B1 and B2 estimated ... the edge of one specific particle of C2 Figure 3-7 Relationship between zeta-potential and pH for C1 and C2 Figure 3-8 TGA results of C1 and C2 The arrows represent the onset points of the second...

Ngày tải lên: 14/09/2015, 17:50

... the synthesis of four highly porous MOFs (MOF-180, MOF-200, MOF-205 and MOF-210) They have reported the highest surface area (BET: 6240 m2g-1, Langmuir: 10400 m2g-1) and pore volume for MOF-210 ... biphenyl-4,4'-dicarboxylate (BPDC) and 1,4-benzenedicarboxylate (BDC) produce some MOFs with high surface area, porosity and pore volume (UMCM-2, MOF-177, MOF-180, MOF-200, MOF-205, MOF-210 and MOF-5 respectively) ... one kind of vertex are known as eta and etb The eta and etb nets contain helices of one hand and both hands, respectively Roswell and Yaghi (2006) have reported Langmuir surface area of about...

Ngày tải lên: 15/09/2015, 21:13

... bottom of the conduction band; EF the Fermi level; XS the work function and XSO the electron affinity Figure 4-2: Energy band diagram of metal and semiconductor contact Figure 4-3: Energy band diagram ... the number of pairs of electron hole form per quantum of photon, k is the optical absorption coefficient and I is the intensity of photon Figure 4-7: Schematics of the circuit diagram of photo-illumination ... characteristics of the effect of O2 on MoO3 nanobelt Figure 5-4: I-V characteristics of the effect of NH3 on MoO3 nanobelt Figure 5-5: Comparison of the effect of different chamber pressures of ammonia...

Ngày tải lên: 16/10/2015, 15:37

... growth and mortality of insect pests, Plutella xylostella (PX) and Spodoptera litura (SL).17th International Congress of Biochemistry and Molecular Biology Annual Meeting of the American Society of ... stop codon and Xho I restriction site was introduced on the end of the proposed synthetic trypsin inhibitor gene The sequences of the forward and reversed primers are shown on fig and of the synthetic ... known, Mr of MCoTI-II is about 3.4kD, hence Mr of the obtained recombinant fusion protein should be about 58 kD ( the sum of 55 + 3.4kD of MCoTI-II) As seen on Fig 10 the 58 kD protein band was...

Ngày tải lên: 12/02/2014, 10:20

... 341 nt of the 3¢-end of the HCV minus-strand RNA in vitro and that deletion of the 3¢ 45 nt greatly impaired RNA synthesis [17] Oh et al [18] showed that RNA synthesis from the HCV minus-strand ... basis of the structure of the 5¢UTR of the plus-RNA, the structure of the 3¢-end of the minusstrand RNA being at that time unavailable In the present study we investigated the involvement of sequences ... sequences and ⁄ or structures in RNA synthesis directed in vitro by HCV NS5B by using new mutants of the 3¢-end of minus-strand RNA Results Effect of mutations in the 3¢- or the 5¢-end of the (–)IRES...

Ngày tải lên: 20/02/2014, 01:20

... 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...

Ngày tải lên: 20/02/2014, 11:20

... 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 ... 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 ... the same plot of the values found for de novo synthesis in the presence of 7.5 or 2.5 mM MnCl2 with various amounts of EDTA, or in the presence of MnCl2 only [11], as a function of the concentration...

Ngày tải lên: 22/02/2014, 04:20

... 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...

Ngày tải lên: 07/03/2014, 01:20

... 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...

Ngày tải lên: 07/03/2014, 05:20

... in both dispersed and heterogeneous forms (supported) tsnl Advantanges of this Approach•The light absorption and energy levels of the semiconductor valence and conduction bands can be adjusted ... photostability and low toxicity can be selected (e.g MoS2) •Our synthesis allows easy chemical modification of the nanocluster surface properties (e.g deposition of a metal) •Small size of nanocluster ... Treatment of large volumes of highly diluted toxins 3) Cost of treatment tsnl Possible Treatment ApproachesStep 1: Excavation, Soil Washing Conventional Treatment Options: 1)Filtration and/ or Adsorption...

Ngày tải lên: 14/03/2014, 20:20

... (B) Dependence of the rate of FMN synthesis on Rf concentrations (C,D) Time courses of FAD synthesis and Rf appearance after addition of either lM or 50 lM FMN Values are the mean of three replicates ... mitochondrial and the extramitochondrial amounts of Rf, FMN and FAD in the acid-extractable fractions were measured via HPLC and compared to the amounts of avin cofactors in whole protoplasts and plastids ... proteinligand, proteinprotein and proteinsurface interaction: development of integrated experimental and computational approaches to the study of systems of pharmaceutical interest and from `...

Ngày tải lên: 16/03/2014, 04:20

... 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...

Ngày tải lên: 16/03/2014, 15:12

... the metal particles, (ii) formation of liquid droplet of metal and Si/SiOx and (iii) the precipitation in the form of solid nanowires after super-saturation of liquid metal–Si/SiOx droplet at ... of crystalline Si core and amorphous SiO2 outer shell structure as confirmed by HRTEM image and SAED pattern On the other hand, the formation of crystalline Si–SiO2 core-shell nanowires first and ... agglomerated clusters consisting of high density of nanowires The magnified view of a single cluster is depicted in the inset of Fig 2(d) These observations suggest that growth of nanowires in the present...

Ngày tải lên: 16/03/2014, 15:18