... shown on the right of the corresponding XRD patterns Indeed, a significant amount of Bi is observed in the nanowires after Bi precursor injection, giving an atomic ratio between Bi:Te of around ... the original diameter of our Bi2Te3 nanowires, and the existence of nanoscale grain boundaries will strongly favor the phonon scattering to reduce the thermal conductivity In conclusion, we have ... remove the capping ligands on Bi2Te3 nanowires by combining the nanowires dispersed in ethanol with diluted hydrazine solution (10% volume ratio) and stirring vigorously until all the nanowires are...
Ngày tải lên: 06/05/2014, 08:54
... the neighbouring His242) bind phosphate ions, thereby providing another level of competition for metal ion binding Kinetics of Ni(II) binding and Cu(II)/Ni(II) exchange The data presented in Table ... Ni(II) distinctly weaker than the model peptides A very strong inuence of phosphate ions on Cu(II) and Ni(II) binding at site II, as well as on kinetics of Ni(II) binding and substitution by Cu(II) ... for interpretation and modelling of Cu(II) and Ni(II) transport by albumins On the other hand, the direct thermodynamic and kinetic characterization of Ni(II) binding at site I in HSA and BSA...
Ngày tải lên: 22/02/2014, 04:20
Báo cáo khoa học: Role of the hinge peptide and the intersubunit interface in the swapping of N-termini in dimeric bovine seminal RNase pptx
... NMR, CD and differential scanning microcalorimetry, and an investigation of the kinetics of swapping of all variant dimers in comparison with that of the parent protein mutations are underlined) ... cloning into pET-22b(+) between the HindIII and NdeI sites Insertion of the correct mutations was confirmed by DNA sequencing Recovery of proteins Materials and methods Construction of mBS mutants ... ratedetermining step of one pathway in the oxidative folding of bovine pancreatic ribonuclease A: automated analysis of 1H, 13C, and 1 5N resonance assignments for wild-type and [C65S, C72S] mutant forms...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: Kinetic studies on endo-b-galactosidase by a novel colorimetric assay and synthesis of N -acetyllactosamine-repeating oligosaccharide b-glycosides using its transglycosylation activity pptx
... studying biological functions of N- acetyllactosamine repeating domains involved in glycoproteins and glycolipids In this study, the first enzymatic synthesis of poly (N- acetyllactosamine) has been ... virus-transformed baby hamster kidney cells express higher levels of asparagine-linked tri- and tetraantennary glycopeptides containing [GlcNAcb (1,6) Man-a (1,6) Man] and poly N acetyllactosamine ... products in D2O solution J1,2, coupling constants are given in Hz Chemical Shifts (d) Compounds pNP GlcNAc Gal GlcNAc Gal pNP Glc Gal GlcNAc Gal pNP Glc Gal GlcNAc Gal pNP Glc Gal GlcNAc Gal pNP Gal...
Ngày tải lên: 31/03/2014, 07:20
Báo cáo hóa học: " The effects of N-terminal insertion into VSV-G of an scFv peptide" pot
... using monoclonal xenoantibodies Tissue Antigens 1983, 22:107-117 Briant L, Benkirane M, Girard M, Hirn M, Iosef C, Devaux C: Inhibition of human immunodeficiency virus type production in infected ... Conclusion µg/ml MAb µg/ml MAb Inhibition of infection with an anti-MHC antibody Figure Inhibition of infection with an anti-MHC antibody Supernatant from HIV-1-producing 293T cells were passed through ... C-terminal of the VSV-G cDNA was fused to an HA sequence The two chimaeras were obtained by inserting the HA-containing VSV-G cDNA downstream of scFv sequences in vectors originating from Moloney...
Ngày tải lên: 20/06/2014, 01:20
Báo cáo hóa học: " Solvothermal synthesis of uniform bismuth nanospheres using poly(N-vinyl-2-pyrrolidone) as a reducing agent" pptx
... by National Natural Science Foundation of China (Grant 20801043), the Program for New Century Excellent Talents in University (NCET-09-0136), and the Outstanding Youth Scientific Foundation of ... remained, as shown in Figure 4b The length of bismuth nanowires is up to 10 μm and the diameters of nanospheres are in range from 200 to 500 nm The elemental composition of these nanowires and ... synthesis of uniform bismuth nanospheres using poly (N- vinyl-2-pyrrolidone) as a reducing agent Nanoscale Research Letters 2011 6:66 Submit your manuscript to a journal and benefit from: Convenient...
Ngày tải lên: 21/06/2014, 06:20
Solid-Phase Synthesis of N-Carboxyalkyl Unnatural Amino Acids
... involves a nitrogen alkylation of resin-bound amino acids with %-bromoesters Alkylation of the benzophenone imine of glycine on Wang resin was used to introduce unnatural amino acid side chains onto ... N- Alkylation of Phe-Wang with Benzyl 2-BromopropanoateZZZZZZ 40 Scheme 52 Optimized N- Alkylation of Phe-Wang with Benzyl PNLNOPNOAMNARE'Z42 Scheme 53 Synthesis of Unnatural Amino Acids by C-Alkylation of ... drugs for influenza A and B of neuraminidase Structure-activity relationship studies of benzoic acids of neuraminidase inhibitors containing pyrrolidinone rings were investigated based on the previous...
Ngày tải lên: 24/08/2014, 13:46
synthesis of inorganic nanowires by using peptide nanotubes as the templates via biologic recognition
... assembly of significant nanomaterials and nanodevices 1.2 Nanoparticles The development of nanomaterials, such as nanowires, nanotubes and nanoparticles is a fundamental focal point of the nanotechnology ... point of a material when it is nanometers in size As interdisciplinary fields of science, nanoscience and nanotechnology are an extension of almost all of the current sciences Departments of ... spectra of the Zn(II)-bound M1 peptide nanotubes (blue line) and the M1 peptide nanotubes with no Zn(II) (red line) (b) Fluorescence spectrum of the ZnS nanocrystals on the M1 peptide nanotubes...
Ngày tải lên: 13/11/2014, 16:27
Part 1 combinatorial synthesis of n heterocycles part 2 development of polymer supported hantzsch ester
... drug; and so on Figure 2-1 Structures of Xanthine and Its Derivatives O H7 N HN O3 N N H Xanthine O O N N O N N N O Caffeine OH N H N N Theophylline O N N O N N Lisofylline 20 2.1.2 General methods ... preparation of xanthines containing a variety of substituents at the N1 , N3 , N7 and C8 positions These subsituents could be introduced onto the xanthine ring in an unambiguous manner A library of 22 ... derivatization of a xanthine scaffold (Scheme 2-3).8 Scheme 2-3 Derivatization of Xanthine Using a Solid Support O HN O O H N N HN N N Cl N O N Br O R1 O N N Br O H2+ N TFA - R1 N O N N N N Br Br Since...
Ngày tải lên: 14/09/2015, 13:37
Báo cáo y học: " A Novel Variable Number of Tandem Repeat of the Natriuretic Peptide Precursor B gene’s 5’-Flanking Region is Associated with Essential Hypertension among Japanese Females"
... determined the structural organization of human natriuretic peptide receptor genes [25-28] and identified an insertion/deletion mutation in the 5’-untranslated region of NPRA [12] The deletion encompasses ... association between mutations or polymorphisms in the 5’-flanking region of NPPB and the presence of EH In the present study, a novel VNTR was discovered, and a significant association between the VNTR ... Therefore, we examined the relationship between the genotype and BMI and found no significant association In conclusion, a novel VNTR in the 5’-flanking region of the NPPB gene was discovered This polymorphism...
Ngày tải lên: 26/10/2012, 10:04
iec 60079-15 electrical apparatus for explosive gas atmospheres - construction, test and marking of type of protection n electrical apparatus
... fusible Non Non Non Non Non 20 Exigences supplộmentaires pour les prises de courant Non Non Non Non Non 21 Exigences supplộmentaires pour les luminaires Non Non Non Non Non 22 Exigences supplộmentaires ... Non Non Non Non Non 11 Traversộes Oui Oui Oui Oui Non 12 Matộriaux utilisộs pour le scellement Non Non Non Non Non 13 Composants Ex Non Non Non Non Non 14 Elộments de raccordement et logements de ... Yes No 12 Materials used for cementing No No No No No 13 Ex components No No No No No 14 Connection facilities and terminal compartments No No No No No 15 Connection facilities for earthing or...
Ngày tải lên: 25/12/2013, 10:42
Tài liệu Strictly Confidential -The Private Volker Fund Memos of Murray N. Rothbard doc
... position But another and important way is an open center where someone who is already a hardcore or near-hardcore man, can find his way and enter This is one of the functions of an open center—and ... happens when a Richard C Cornuelle insists on acting “positively,” on cracking down on “negative thinking” about the government, on hopelessly trying to compete with the government in financing ... (his consistent recognition Foreword xi of the not-to-be-forgotten distinctions between the modern libertarian and the modern conservative or right-winger) and of the disciplined humane concern that...
Ngày tải lên: 16/02/2014, 07:20
Tài liệu Báo cáo khoa học: Structural features of proinsulin C-peptide oligomeric and amyloid states pptx
... under native conditions Oligomer distribution of 100 lM proinsulin C -peptide in the presence of divalent Ca2+ and Mg2+ ions under native conditions (B), and of 100 lM C -peptide in the presence of ... an effect on Ca2+ levels [4], mitogen-activated protein-kinase dependent intracellular signaling [5–7] and the induction of enzyme production [8] Regarding internalization, C -peptide enters into ... diffusion coefficients for C -peptide in SDS solution represent the remaining population of NMR-visible monomers because the increasing fraction of oligomers (with increasing SDS concentration) does not...
Ngày tải lên: 18/02/2014, 04:20
Tài liệu Management Information Systems A Synthesis of Transit Practice ppt
... Cockrell Centennial Chair in Engineering and Chairman, Department of Civil Engineering, The University of Texas at Austin DAVID N WORMLEY, Dean of Engineering, Pennsylvania State University HOWARD ... significant MIS implications: Although the pendulum continues to swing back and forth between proponents of centralization and decentralization of MIS organizations, some organizational fundamental ... methodology and standards for all information technology investments Control transit agency technical specifications Institute an Agencywide Planning Process The degree and nature of IS planning varies...
Ngày tải lên: 18/02/2014, 11:20
Tài liệu Báo cáo khoa học: Analysis of proteins and peptides on a chromatographic timescale by electron-transfer dissociation MS ppt
... for analysis of peptides using CAD In addition, coupling nanoflow LC with our ETD technology increases the sensitivity of intact protein analyses, and with ongoing advancements in protein chromatographic ... binding of protein complexes involved in transcription, replication, recombination, DNA damage repair, and gene silencing [18,19] In a recent study, Taverna et al used ETD to map long-distance ... ETD-MS analysis of peptides and proteins H 2N H 3N O R N D Udeshi et al N NH3 H O H N C H OH O e- R O NH3 N H NH3 H N O OH O NH3 NH2 H O R NH NH3 H N HC O OH ½M þ 3Hþ3 þ C16...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: Final steps in the catabolism of nicotine Deamination versus demethylation of c-N-methylaminobutyrate doc
... them also to be expressed in a nicotinedependent manner In order to investigate this, we analyzed the transcription of these genes in the presence and absence of nicotine in the growth medium by ... [14C]Nicotine metabolites in the medium of A nicotinovorans pAO1 and growth of A nicotinovorans pAO1 and A nicotinovorans lacking pAO1 on CH3-4-aminobutyrate, 4-aminobutyrate and CH3NH2 as carbon source ... indicated carbon sources as described in Experimental procedures n, A nicotinovorans pAO1 and m, A nicotinovorans lacking pAO1, grown on 4-aminobutyrate; X, A nicotinovorans pAO1 and A nicotinovorans...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf
... U] showing the conversion of (Met1)-ONC (M23L) (an onconase variant with a methionine preceding Gln1) to (Gln1)-ONC (M23L) (an onconase variant with a Gln1 and leucine replacing methionine at position ... measuring the incorporation of [35S]methionine into newly synthesized protein after 96 h of incubation with each onconase: (d) (Met1)-ONC (M23L) (an onconase variant with a methionine preceding Gln1) ... (Pyr1)-ONC (M23L) (an onconase variant with a pyroglutamyl residue at position and leucine replacing methionine at position 23) formation as a function of guanidinium chloride concentration and pH...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Unfolding of human proinsulin Intermediates and possible role of its C-peptide in folding/unfolding pptx
... least two are non-native The denatured states of HPI under varying concentrations of urea and GdnHCl are shown in Fig With increasing concentration of denaturant, an increasing amount of native HPI ... double-chain insulin is synthesized in vivo as a single-chain precursor (preproinsulin) and folded as proinsulin, in which a connecting peptide of 35 residues links the C terminus of the B chain and N ... the folding of proinsulin Int J Protein Res 3, 201–207 31 Guo, Z.Y., Qiao, Z.S & Feng, Y.M (2001) Unfolding of recombinant single-chain insulin in denaturants containing thiol reagents Sheng Wu...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx
... requiring synthesis of specific variants of conotoxins The synthesis of alanine scan peptide variants containing systematic alanine replacements of the amino acids [62], and assessment in structure ... recognition of these PTMs, if present, in the course of characterization of native a-conotoxins Analysis of neuronally active a-conotoxins using HPLC and MS, including identification of post-translational ... solid-phase synthesis of sulfopeptides [24,50,57] There have been a few reports of the solid phase synthesis of sulfotyrosine-containing a-conotoxins including EpI, PnIA, PnIB, AnIA, AnIB and AnIC and...
Ngày tải lên: 19/02/2014, 12:20