self assembly of nanostructures using nanoporous alumina templates

... semiconductor substrate using a porous alumina film as a mask, pattern transfer using porous alumina as a template, deposition of functional materials in the form of porous alumina nanohole arrays ... PL intensity of the porous alumina film fabricated using oxalic acid and annealed above 400◦ C is stronger than that of porous silicon The PL intensity of porous alumina fabricated using oxalic ... a two-step replication of honeycomb structures of anodic alumina Science 268, 1466 Masuda H., F Hasegawa & S Ono, 1997 Self- ordering of cell arrangement of anodic porous alumina formed in sulfuric...

Ngày tải lên: 19/03/2014, 16:48

... Schematic of the bottom-up assembly of nanostructures using porous alumina nano-breadboard (Picture by Prof Carl Thompson) 246 10-12 Selective activation of nickel filled porous alumina templates ... 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 ... lithography 2.12.4 Self- assembly induced self- assembly (SAlSA) of porous alumina 2.13 Porous alumina with tailored pore shapes and symmetries 2.14 Summary 86 89 90 Porous alumina: Experimental...

Ngày tải lên: 20/03/2014, 13:11

... 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 ... narrower In summary, we report the discovery of a tunable system of two self- assembling nanostructures The structures are very appealing because of their 1D characters and their directional orthogonality ... for a variety of molecules [26] Since changing the preparation temperature allows to tune precisely the relative weights of the two phases, one can control the process of self- assembly, which...

Ngày tải lên: 22/06/2014, 22:20

... S100A2 binding of Zn2+ to the low affinity site triggers the formation of a tetramer via the assembly of two S100A2 dimers [15] Together, these results point to a very clear role of metal ions ... the promiscuity of S100 proteins Therefore, systematic studies of the conformational changes and oligomerization of S100 proteins will be of critical importance in the development of potential therapeutics ... amyloid self- assembly of S100 proteins G Fritz et al analysis of corpora amylacea revealed that they are stained positively with both anti-S100A8 and antiS100A9 IgGs (Fig 2B) Positive foci of S100A8...

Ngày tải lên: 23/03/2014, 03:20

... Structural, 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, ... development of a more controllable and repeatable synthetic route for RTFM Mn-doped ZnO nano/microstructures is crucial to their practical applications The fabrication of hierarchical and self- assembly ... topic in recent material research fields [14-16] Self- assembly and/or self- aggregation are fundamental mechanisms by which different nanoparticle assembly motifs or even close-packed periodic structures...

Ngày tải lên: 20/06/2014, 20:20

... Structural, 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, ... development of a more controllable and repeatable synthetic route for RTFM Mn-doped ZnO nano/microstructures is crucial to their practical applications The fabrication of hierarchical and self- assembly ... topic in recent material research fields [14-16] Self- assembly and/or self- aggregation are fundamental mechanisms by which different nanoparticle assembly motifs or even close-packed periodic structures...

Ngày tải lên: 21/06/2014, 17:20

... 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 ... in-wire monolayer junctions of 16-mercaptohexanoic acid by replicating of the pores of 70 nm polycarbonate track etch membrane[11] However, fabricating the novel nanostructures by combining the ... nanowires by the self- assembly method are seldom reported In our paper, we used a very simple technique of spatially modifying the nanowires within the template to fabricate the novel nanostructures...

Ngày tải lên: 22/06/2014, 22:20

... induction of selfassembly of ensembles by interaction of silver nanoparticles produce a highly ordered replica of uniform nanostructures The most prominent systems have been triblock copolymers of the ... the fascinating self- assembly Scheme Schematic illustration of large-scale nanostructuring-fabrication with a triblock copolymer 123 Nanoscale Res Lett (2007) 2:119–122 behaviour of amphiphilic ... to Fig 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...

Ngày tải lên: 22/06/2014, 22:20

... 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 ... SynGene The results of measurements are presented on Figure Self- assembly of protein vectors with their DNAs and affinity separation In vitro synthesis and self- assembly of the SAPV-84, SAPVAlb5 ... streptavidin folding pattern (Figure 7) Self- assembly If required, the efficiency of the self- assembly process could be manipulated by regulating a processivity of the transcription and/or translation...

Ngày tải lên: 11/08/2014, 00:21

... 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 mmol/L of MgCl2, 2.5 µL of 10× PCR ... rapid 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 ... expect then that the sensitivity of the combined methods will be close to 100% We are now applying this method as part of a study of the application of DNA self- assembly based mutation detection...

Ngày tải lên: 11/08/2014, 00:22

... nanofibers: a versatile scaffold for the preparation of self- assembling materials Proc Natl Acad Sci 2002, 99:5133-5138 Hartgerink JD, Beniash E, Stupp SI: Self- assembly and mineralization of ... 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 AF-1 in varying ... the 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...

Ngày tải lên: 11/08/2014, 00:22

... Only the 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 ... 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 ... virus-like particles of hepatitis E virus J Virol 2005, 20:12999-13006 doi:10.1186/1743-422X-7-166 Cite this article as: Yin et al.: Self- assembly of virus-like particles of porcine circovirus...

Ngày tải lên: 12/08/2014, 04:20

... DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY NATIONAL UNIVERSITY OF SINGAPORE 2010 Acknowledgements I would like to express my immense gratitude to my supervisors, Prof Chan Sze On, Hardy and Prof ... 27  1.4.1 Theory of QCM 28  1.4.2 Applications of QCM 31  1.5 Self- assembled technique 33  1.5.1 Overview 34  1.5.2 Applications of self- assembled technique ... technique 35  1.5.3 Self- assembly of thiolated cyclodextrins 37  1.6 Objectives 38  Chapter 2    Perfunctionalization of -cyclodextrins and Their Self- Assembled Monolayers...

Ngày tải lên: 11/09/2015, 10:15

... applied bias of -20V and -35V at a tip contact time of sec (b) corona patterning of PBMA film at a tip bias of 10V, -15V, and -20V for a tip contact time of sec Height profiles of figure (a) ... representation of evolution of top-down and bottom approach for nanofabrication Schematic representation of the nano-oxidation process on Si substrate Schematic representation of DPN Components of a scanning ... lithography of self assembled monolayer of organic molecules schematic representation of the nanopatterning of polymer film by electrochemical oxidation method Flow chart showing the outline of the...

Ngày tải lên: 12/09/2015, 11:29

... conditions for LBL self- assembly 102 4.5.1.2 Nature of spacer layer: PEI vs PDAD 104 4.5.1.3 Effect of base on adsorption of 6F 106 4.5.1.4 Enhanced adsorption of 6F: Proposed mechanism ... hybridization by self- assembly of ex-situ hybridized PNA probe-target DNA duplex directly on charged surface The electrostatic self- assembly makes the strategy straightforward without any need of covalent ... selective detection of Cu+2 at optimized number of (PEI/P5) bilayers In a word, this work explored new avenues of sensitive biodetection using conjugated oligo/polyelectrolytes on LBL self- assembly platform...

Ngày tải lên: 14/09/2015, 08:38

... Figure 1.4 Schematic representation of DPN The success of DPN depends on two main factors, a narrow spatial deposition of patterning molecules, and self- assembly of the functionalized ink molecules ... deposition of functional materials on the surface Nanofabrication can be achieved both by extension of current microfabrication techniques into smaller size regime and by the development of new techniques ... systems the build-up of structures on a cellular scale, i.e in the range of a few micrometers, takes place through self- assembly processes thereby achieving a high degree of order.80-84 It is...

Ngày tải lên: 14/09/2015, 11:38

... 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 ... electron microscope (c, d) images of nano-rods formed by self- assembly of OLG1 in aqueous solution (THF: H2O) 147 Figure 5.8 XRD patterns of OLG1; powdered (▲) and self- assembly ( ) sample drop casted ... 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...

Ngày tải lên: 14/09/2015, 14:02

... NBF4 /CH3 CN at scan rate of 50 mV s¡1 112 xv 5.1 Schematic diagram of self- assembled Au nanoparticles onto silanized ITO glass electrode and subsequent self- assembly of 5SHBT molecules (A: ... 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 ... SYNTHESES AND SELF- ASSEMBLY OF NANOSTRUCTURE AS MODIFIED ELECTRODES FOR POLYTHIOPHENE PREPARATION ZHANG CHUNYAN (B Sc Nanjing University of P R China) A THESIS SUBMITTED FOR DOCTOR OF PHILOSOPHY...

Ngày tải lên: 17/09/2015, 17:17

... 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 ... 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 (SA) is described as the spontaneous formation of ... BOND 25 2.3 SELF- ASSEMBLY 28 2.3.1 KINETICS OF SELF- ASSEMBLY 29 2.3 BUILDING MULTIPLE ORGANIC INHIBITOR LAYERS ON COPPER 31 2.4 REMOVAL OF ORGANIC FILM FROM METAL...

Ngày tải lên: 13/10/2015, 16:50

... glass-supported alumina 2.4 Characterization of glass-supported anodized alumina 35 2.5 Mechanism of forming of anodized alumina 38 2.6 Chemically grafted nanoporous alumina surface 39 2.6.1 Preparation of ... research focusing on the areas of:  Off-line and on-line detection of planar electrochromatography protein separation using self- organized nanoporous alumina material  On-site detection of multi ... electrochromatography using self- organized 47 nanoporous Alumina material 3.1 Mechanism for planar electrochromotography protein separation 48 3.2 Off-line detection of protein separation on nanoporous 49 alumina...

Ngày tải lên: 28/11/2015, 13:53