biological and chemical mediated self assembly of artificial micro and nanostructures
Báo cáo khoa học: Natural and amyloid self-assembly of S100 proteins: structural basis of functional diversity doc
... FEBS 4579 Natural and amyloid self- assembly of S100 proteins A Ca2+ G Fritz et al C E S100B HII HI S-100 EF-hand F S100A12 Ca2+ B D 90° HIV G HIII S100A8/A9 EF-hand Fig Structure of S100 proteins ... the EF-hands in S100 proteins Structure of the N-terminal, S100-specific EF-hand (A) and the C-terminal, canonical EF-hand (B) in the metal-free (lighter) and Ca2+-bound (darker) form of S100A6 ... deposition and tissue remodelling [14] The conversion of functional proteins and peptides into insoluble amyloid structures and their deposition in a variety of tissues and organs is a hallmark of a...
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Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... route for RTFM Mn-doped ZnO nano/microstructures is crucial to their practical applications The fabrication of hierarchical and self- assembly (self- aggregation) micro- /nanostructures using nanoparticles, ... optical, and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self- assembly of nanoparticles Yao-Ming Hao1, Shi-Yun Lou1, Shao-Min Zhou*1, Rui-Jian Yuan1, Gong-Yu Zhu1, and ... Synthesis and photoluminescent properties of rare earth doped ZnO hierarchical microspheres J Phys Chem C 2008, 112:3503-3508 15 Barick K, Aslam M, Dravid V, Bahadur D: Self- aggregation and assembly of...
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báo cáo hóa học:" Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... route for RTFM Mn-doped ZnO nano/microstructures is crucial to their practical applications The fabrication of hierarchical and self- assembly (self- aggregation) micro- /nanostructures using nanoparticles, ... optical, and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self- assembly of nanoparticles Yao-Ming Hao1, Shi-Yun Lou1, Shao-Min Zhou*1, Rui-Jian Yuan1, Gong-Yu Zhu1, and ... Synthesis and photoluminescent properties of rare earth doped ZnO hierarchical microspheres J Phys Chem C 2008, 112:3503-3508 15 Barick K, Aslam M, Dravid V, Bahadur D: Self- aggregation and assembly of...
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báo cáo khoa học: "Self-assembly of proteins and their nucleic acids" docx
... SAPV84 DNA and precipitated by anti-BCMP84 antibody Self- assembly of protein vectors with their DNAs and affinity separation Co-transcriptional and co-translational self- assembly of SAPV protein ... fragment of the SAPV was amplified using ul of 16 pmol/ul M13F primer (part of the TOPO vector, upstream of the T7-F primer of the SAPV insert), 0.5 ul of 100 pmol/ul SA-11R primer and 0.5 ul of the ... 10 ul of each of the wash through and eluates from each assembly reaction were amplified in parallel using primers T7-F and T7TER-R 35 cycles of amplification of 1' at 96°C, 30" at 40°C and 1'30"...
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Self assembly of perfunctionalized beta cyclodextrins and chiral discrimination by quartz crystal microbalance
... sections of this chapter, approaches for chiral discrimination and separation, working mechanism of quartz crystal microbalance, preparation of perfunctionalized -cyclodextrins and self- assembly ... ellipsometry, and atomic force microscopy vii Good reproducibility of self- assembled monolayer (SAM) fabrication were achieved by our self- assembly techniques All L-type SAMs were thicker and possessed ... Applications of self- assembled technique 35 1.5.3 Self- assembly of thiolated cyclodextrins 37 1.6 Objectives 38 Chapter 2 Perfunctionalization of -cyclodextrins and Their...
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Synthesis, characterization and self assembly of stimuli sensitive materials
... (A and C) and emission (B and D) spectra of dithienylethenes photochromism in chloroform solution; DTEPh (A and B) and DTE-Naph (C and D) 121 Figure 4.4 Change in the color upon irradiation of ... design of systems, which were capable of generating welldefined supramolecular entities via self- assembly under a given set of conditions.2 Satyananda Barik National University of Singapore Self- assembly ... synthesis Self- assembly Figure 1.1 Schematic representations of nanostructure fabrication; lithography (a) and self- assembly (b) On the other hand, an enabling technique for nanotechnology, self- assembly...
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Electrochemical syntheses and self assembly of nanostructure as modified electrodes for polythiophene preparation
... determining ease of doping and stability of doped state The di®erent type of dopants could a®ect the number of charge carriers and the mobility of them as well The transport of charge carries ... solvents [132] Chapter and study the self- assembly of thienylthiolate compounds on gold polycrystalline surface and gold microelectrodes (obtained from self- assembly of gold aqueous nanoparticles on ... the band theory which explains the electronic structure of materials (Figure 1.1) [14] The highest occupied bands are the valence band (VB) and the lowest unoccupied bands are the conduction band...
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templated self-assembly of nanoporous alumina
... 1.1 1.2 1.3 1.4 1.5 35 Self- Assembly Templated Self- Assembly Porous Alumina Self- Assembly Objective Thesis Outline 35 37 38 39 40 Anodic oxidation of aluminum: Background and previous work 2.1 ... Templated self- assembly of porous alumina: Phenomenology Experimental Details Results and discussion 6.4.1 Templated self- assembly by patterning the underlying substrate 6.4.2 Templated self- assembly ... control over the size, position and assembly of materials for applications in electronics, optics, magnetics and biology has led to the discovery of a number of self- assembly systems in the past...
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Báo cáo hóa học: "Fabrication of nanostructure via self-assembly of nanowires within the AAO template" docx
... nanostructure like ‘‘cigarette’’ were synthesized by self- assembly of the multiple layers of nanoparticles on the top of the nanowires The incorporation of self- assembled nanoparticles between the nanowire ... section Chemicals HAuCl4 Á 3H2O and 1,9-nonanedithiol were obtained from Aldrich Chemical Co All the other chemicals were used without further purification Fabrication of AAO template and gold ... Nanoscale Res Lett (2007) 2:34–39 pores of membrane Therefore, the chemical modification spatially is realizable on the exposed top of nanowires by self- assembly method Mallouk et al have prepared...
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Báo cáo hóa học: "Tunable self-assembly of one-dimensional nanostructures with orthogonal directions" docx
... Ni(111) [12] and establish the single-layer quality and the flatness of the structure ARPES data, presented in Fig show r- and p-bands in the binding energy region from to 12 eV, as measured and calculated ... periodicity of 1.26 nm are clearly visible in STM images of the h-BN phase (The image was taken with a bias voltage of VB = 1.8 V and a set tunneling current of IT = nA.) The corrugation in STM images of ... the Brillouin zone and defines characteristic points The thick red and yellow lines mark the r– and p–band, respectively; the thin red lines indicate umklapp bands, i.e., r–bands shifted by a reciprocal...
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Báo cáo hóa học: "Self-assembly of micelles into designed networks" docx
... 120 inorganic precursors and subsequent induction of selfassembly of ensembles by interaction of silver nanoparticles produce a highly ordered replica of uniform nanostructures The most prominent ... Formation of nanostructured micelles, aggregates and vesicles in the mixture of cubic and hexagonal phases of EO20PO70EO20 induced by silver nanoparticles TEM micrograph of vesicles and their ... micelles move randomly and ceaselessly, to the ordered vesicle is a long journey, and one of the most remarkable reactions in all of chemistry It was also observed that rearrangement of silver nanoparticles...
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báo cáo khoa học: "Rapid self-assembly of DNA on a microfluidic chip" docx
... investigation of self- assembly mechanisms In addition, this re-hybridisation enables the formation of duplexes made from a sample and a set of DNA references – i.e DNA self- assembly within a microchip ... [10,9] Microfluidic chips may enable extremely high throughputs and high levels of integration The achievement of this goal has been hindered by the lack of successful integrations of methods of ... H63D and S65C, the PCRs are performed with µL of 30 ng/µL of genomic template DNA, µL of µmol/L each of HEX-HFE-2F primer and H63DR primer (Table 1), µL each of 10 mmol/L dNTPs, 0.75 µL of 50...
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báo cáo khoa học: "Self assembly of amphiphilic C60 fullerene derivatives into nanoscale supramolecular structures" ppsx
... vortexing and standing for hrs This type of turbidity was not seen in PBS or phosphate-citrate buffer This Figure Solubility profile of AF-1 in varying pH and buffer conditions Solubility profile of ... presence of rodlike and worm-like structures were seen in cryo-TEM micrographs (data not shown) Studies on the self assembly of certain surfactants have described the interplay of theoretical and ... characterization, cytotoxicity and bio distribution analysis of the globular amphiphile AF-1 Results and Discussion The formation of vesicles by self assembly of AF-1 was reported earlier [23,24]...
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Báo cáo y học: " Self-assembly of virus-like particles of porcine circovirus type 2 capsid protein expressed from Escherichia coli" pptx
... The reaction of Cap-tag and nCap may with anti-PCV2 pig sera and was observed by Western blotting (Fig 3) Cleavage of His-Smt3 tag and assembly of Cap protein VLPs After the cleavage of the His-Smt3 ... deletion of the whole NLS domain may allow for the expression of a large amount of the Cap protein However, the NLS plays an important role forming the self assembly of Cap-like particles and retains ... to a final volume of 30 μl and further confirmed by electron microscopy Page of removed, and the samples were viewed using a TEM (Hitachi, H-7100FA) at an acceleration voltage of 75 kV The nCap...
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Nanoscale self assembly of conjugated polyelectrolytes
... surface.70 1.4.4.2 LBL self- assembly of protein LBL self- assembly via ligand-receptor interaction, like, antibody-antigen,71 lectin-sugar72 and avidin-biotin73 has been reported The study of avidin-biotin ... orbital diagram of fluorescence “turn-off” sensor in the absence (left) and presence (right) of cation On the other hand, if the LUMO of the cation falls between HOMO and LUMO of fluorophore, ... in the presence of 0-3.33 mM of NaOH 106 Figure 4.5: Absorbance (a, c) and fluorescence spectra (b, d) of film having four layers of 6F in the presence of 0(a, b) and 1mM(c, d) NaOH...
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Controlled fabrication and assembly of carbon nanotubes based nanostructures
... the temperature and the pressure of operation, the volume and concentration of source gas, the size and the pretreatment of metallic catalyst, and the time of reaction The type of carbon nanotube ... symmetry of the tube along the axis The resistance of the tube is virtually independent of the length at the scale of interest The absence of scattering along the tube allows current densities of more ... 1959 Nanostructures became a broad and interdisciplinary area of research and development activity It has the potential for revolutionizing the ways in which materials and products are created and...
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Self assembly of organic inhibitors for copper corrosion inhibition
... thickness of the films allows the use of common surface analytical techniques to determine the chemical state and composition of species at the metal surface 28 2.3.1 KINETICS OF SELF- ASSEMBLY Self- assembled ... decanethiol and benzenethiol through the observation of a higher S/Cu ratio with XPS analysis and a greater surface roughness with AFM microscopy analysis [55] 27 2.3 SELF- ASSEMBLY Self- assembly ... is caused by chemical and electrochemical reactions and occurs over the entire area while localised corrosion attacks only specific area of the structure Some of the different forms of corrosion...
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Báo cáo khoa học: Mechanisms of amyloid fibril self-assembly and inhibition Model short peptides as a key research tool pptx
... by Kapurniotu and coworkers [19] paved the way towards the present understanding of the mechanism of amyloid self- assembly The authors first discovered that a hexapeptide fragment of human IAPP ... as order and directionality, in the self- assembly of amyloid structures [25] This view is in line with the well-known central role of aromatic-stacking interactions in general self- assembly processes ... concern of the 21st century because of a gradual increase in life expectancy The genuine understanding of the mechanisms leading to the formation of amyloid fibrils and its inhibition is therefore of...
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Báo cáo hóa học: " Research Article Dynamics of a Predator-Prey System Concerning Biological and Chemical Controls" ppt
... 2 Journal of Inequalities and Applications 3.9 y 3.8 3.7 3.6 0.5 0.4 0.6 0.7 x Figure 1: Phase portrait of a T -period solution of 1.3 for q of pest populations by natural enemies and typically ... τ < and T > are the periods of the impulsive immigration or stock of the predator, ≤ p1 , p2 < present the fraction of the prey which dies due to the harvesting or pesticides and so forth, and ... periodic doubling bifurcation, chaotic bands, periodic window, and period-halving bifurcation Figures and are the magnified parts of Figure 3, and the windows of periodic behaviors are more visible...
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Báo cáo hóa học: " Combing and self-assembly phenomena in dry films of Taxol-stabilized microtubules" pdf
... of the label and the low ionic density of the solution favors electrostatic interactions, leading to this particular type of self- assembly (it has to be noted, however, that no similar self- assembly ... studied the physisorption of Taxolstabilized MTs as a step towards MT-templated selfassembly We probed the influence of the nature of the substrate, of the dilution methods and of the deposition protocols ... topographs of microtubules deposited on HOPG by drying from a MT dilution in water (a) selfassembly of dense MT films forming a continuous coverage of the HOPG surface (b) Zoom on the upper right-hand...
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