... presence of saturating concentrations of the metal cofactor. Together, these data are indicative of two modes of substrate binding (i.e. open and closed). The closed, active form of UDP-Glc binding ... regardless of the TcdA concentrations, as the metal binding event would be totally independent of the interac- tions involved in the enzyme–substrate complex. The binding of MUG and Mg 2+ are not independent, ... analogs of UDP-glucose and their use in characterizing substrate binding by toxin A from Clostridium difficile Sudeep Bhattacharyya, Amy Kerzmann and Andrew L. Feig Department of Chemistry, Indiana...
Ngày tải lên: 08/03/2014, 22:20
... 1506–1509, 2006. 16 A. W. Marshall and I. Olkin, Inequalities: Theory of Majorization and Its Applications, vol. 143 of Mathematics in Science and Engineering, Academic Press, New York, NY, USA, ... development of inverses of the Cauchy and H ă older inequalities, SIAM Review, vol. 21, no. 4, pp. 550557, 1979. Journal of Inequalities and Applications 3 Therefore, considering the application of the ... Similarly, we can obtain the left-hand side of the inequality 3.2. 18 Journal of Inequalities and Applications 6 S D. Wang, T S. Kuo, and C F. Hsu, “Trace bounds on the solution of the algebraic...
Ngày tải lên: 22/06/2014, 02:20
báo cáo khoa học: "A Review of Metallothionein Isoforms and their Role in Pathophysiology" ppsx
Ngày tải lên: 09/08/2014, 01:24
Báo cáo khoa hoc:" A review on SNP and other types of molecular markers and their use in animal genetics" ppt
Ngày tải lên: 09/08/2014, 18:21
Genetic polymorphisms of matrix metalloproteinases and their inhibitors in potentially malignant and malignant lesions of the head and neck potx
Ngày tải lên: 10/08/2014, 05:21
Báo cáo y học: "Indigenous utilization of termite mounds and their sustainability in a rice growing village of the central plain of Laos" pdf
Ngày tải lên: 10/08/2014, 09:22
Báo cáo y học: "Evolutionary history and functional implications of protein domains and their combinations in eukaryotes" pptx
Ngày tải lên: 14/08/2014, 07:21
Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan
Ngày tải lên: 05/09/2013, 10:17
Tài liệu Báo cáo khoa học: Direct identification of hydrophobins and their processing in Trichoderma using intact-cell MALDI-TOF MS docx
... identification of hydrophobins and their processing in Trichoderma using intact-cell MALDI-TOF MS Torsten Neuhof 1 , Ralf Dieckmann 1, *, Irina S. Druzhinina 2 , Christian P. Kubicek 2 , Tiina Nakari-Seta ă la ă 3 , ... of mass peaks in the range of 5–10 kDa, typically including two dominating peaks at approximately m ⁄ z 7000. As mycelia and spores largely remained intact, and the extraction solution contained ... terminal amino acid residues of all six hydrophobins providing this single match. A rapid means of identifying peaks corresponding to hydrophobins in MALDI-TOF mass spectra was elab- orated, making...
Ngày tải lên: 19/02/2014, 02:20
Báo cáo khoa học: Comprehensive sequence analysis of horseshoe crab cuticular proteins and their involvement in transglutaminase-dependent cross-linking potx
... crab chitin-binding protein [15], as well as with the chitin-binding domain of hevein (Cys12 to Cys33), a plant chitin-binding protein [41,42], as shown in Fig. 4. This segment of tachycitin forms ... known cysteine-containing chitin-binding domains [14], such as plant chitin-binding proteins and horseshoe crab antimicrobial peptides with chitin-binding affinity [15–17]. Rebers and Willis reported ... 3), and was incorporated into the major HMM chitin-binding proteins (Fig. 8, lane 5). When analyzed by 2D SDS ⁄ PAGE, DCA was incorporated into nearly all groups of HMM chitin-binding proteins including basic...
Ngày tải lên: 07/03/2014, 21:20
Bioavailability and toxicity of cd to microorganisms and their activities in soil
... 4–27% of the total microbial biomass in the soil (McCann and Cullimore, 1979) and are involved in maintaining soil fertility and oxygen production (Bold and Wynne, 1978). Minerali- zation of algae ... membrane and intra- cellular Cd binding proteins in a tolerant strain of Pseudomonas putida, grown in a defined medium con- taining 3 mM Cd . Mechanisms of complexing Cd 2q have evolved over time ... both sandy and silty loam soils, but not in clay and sandy peat soils (Haanstra and Doelman, 1984). The mineralization of carbon and nitrogen in different soils were related to the amount of water- soluble...
Ngày tải lên: 15/03/2014, 23:21
facile synthesis of porous a - fe2o3 nanorods and their application in ethanol sensors
... condition in a chamber with a volume of 15 L at a working temperature of 250 °C and 40% relative humidity (RH). An appropriate amount of ethanol vapor was injected into the closed chamber by a microinjector, ... average diameter of about 10-15 nm and a length of about 200 nm. After being calcined at 300 °Cfor2h, the sample still maintains the rodlike 1-D morphology, as is shown in Figure 3c and d. Compared ... was further increased to 2 h, as seen in Figure 3, well-structured nanorods were obtained, and the length of the nanorods increased with the increase in the reaction time. On the basis of the above...
Ngày tải lên: 19/03/2014, 16:48
Báo cáo khoa học: Study of uptake of cell penetrating peptides and their cargoes in permeabilized wheat immature embryos pot
... of Tat 2 peptide in delivering plasmid DNA carrying the GUS gene was studied in permeabilized wheat embryos. Being arginine rich, Tat 2 can bind anionic DNA elec- A. Chugh and F. Eudes CPPs and ... Queen in Right of Canada, as represented by the Minister of Agriculture and Agri-Food Canada Journal compilation ª 2008 FEBS Study of uptake of cell penetrating peptides and their cargoes in permeabilized ... transportan. Substitution of the first arginine residue by alanine in M-Tat significantly reduced the internalization effi- ciency of the peptide, suggesting that differential uptake of CPPs in the same tissue...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo khoa học: Subcellular localization of yeast Sec14 homologues and their involvement in regulation of phospholipid turnover pptx
... formation, indicating that Sec14p and the two homologues act as inhibitors of Plb1p in vivo. This observation explains at least in part the low Plb1p activity in wild-type cells. Interestingly, the inhibitory ... form a network of proteins involved in the regulation of phospholipid metabolism. Materials and methods Strains and culture conditions Yeast strains used in this study are listed in Table 2. Cells were ... overexpressing cells is linked to Pld1p activity. Determination of choline release in a strain overexpress- ing Sfh-proteins in a sec14 ts CKI1 background (data not shown) confirmed the view that Sfh2p and...
Ngày tải lên: 23/03/2014, 18:20
Báo cáo hóa học: " Some new nonlinear integral inequalities and their applications in the qualitative analysis of differential equations" potx
... validity of the present integral inequalities. 2 Main results In the rest of the paper we denote the set of real numbers as R,andR + =[0,∞)isa subset of R. Dom(f)andIm(f) denote the definition domain ... equations Bin Zheng 1* and Qinghua Feng 1,2 * Correspondence: zhengbin2601@126.com 1 School of Science, Shandong University of Technology, Zibo, Shandong 255049, China Full list of author information ... this article as: Zheng and Feng: Some new nonlinear integral inequalities and their applications in the qualitative analysis of differential equations. Journal of Inequalities and Applications 2011...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot
... B: State of the art in quenching. In Quenching and Carburizing. Proceedings of the Third International Seminar of the International Federation for Heat Treatment and Surface Engineering. Edited ... Technology of Engineering Materials Oxford: Buttterworth-Heinemann Publication; 2002, 216. 103. Jagannath V, Prabhu KN: Severity of quenching and kinetics of wetting of nanofluids. J ASTM Int 2009, ... effective viscosit y of nanofluid increases by increasing concentration of particles and decreases with increase in temperature [14,41,78,80-82]. The effec- tive viscosity of fluid containing a dilute...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Fabrication of Porous TiO2 Hollow Spheres and Their Application in Gas Sensing" pdf
... Science and Engineering, Beijing University of Chemical Technology, 100029 Beijing, China G. Yang Á P. Hu Á Y. Cao Á F. Yuan (&) State Key Laboratory of Multi-phase Complex System, Institute of ... concentrations before and after mixing, respectively; A 0 and A are absorbencies of the MB solution before and after mixing, respectively; V is the volume of the solution, and m is the mass of TiO 2 sample.) From ... thin film sensor exposed to methanal (HCHO) gas at different operating temperatures (200, 300 and 400° C). In the gas-sensing test, HCHO gas was diluted in water vapor, and the flow velocity of...
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Preparation of TiO2 nanotube/nanoparticle composite particles and their applications in dye-sensitized solar cells" doc
... deposited onto the pretreated conducting glass using the screen printing technique and sintered again at 450°C for 15 min and at 500°C for 15 min in air. Assembly of the DSSCs The nanoporous TiO 2 ... dye, and enhance incident light harvest, the use of TNTs in DSSCs has been explored [14-15]. In the present work, the effect of combining TiO 2 nanoparticles with TNTs and the resulting effect ... no competing interests. Authors' contributions HWC and CHL presided over and fully participated in all of the work. HWC and CHL conceived and designed the experiments. CHL and SWR wrote...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Facile Synthesis of Novel Nanostructured MnO2 Thin Films and Their Application in Supercapacitors" pptx
... adsorption of cations in the electrolyte (M ? = Li ? ,Na ? , and K ? ) on the surface of MnO 2 and also possible intercalation/deintercalation of H ? and alka- line metal cations in the bulk of MnO 2 [29]. ... the habit planes of existing MnO 2 sites, leading to the formation of 1-D nanowhiskers from the initial colloidal microspheres. With increase in the processing duration, finally dandelion-like 3-D ... the thin film form has never been reported. Since the use of composite electrodes introduces additional undesirable interfaces in the electrode material with the risk of negating the benefits of electrochemistry...
Ngày tải lên: 21/06/2014, 20:20