Results 231 to 240 of about 322,385 (264)
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Steering On-Surface Polymerization with Metal-Directed Template
Journal of the American Chemical Society, 2013On-surface polymerization represents a novel bottom-up approach for producing macromolecular structures. To date, however, most of the structures formed using this method exhibit a broad size distribution and are disorderly adsorbed on the surface. Here we demonstrate a strategy of using metal-directed template to control the on-surface polymerization ...
Lin, Tao +4 more
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Enantioselectivity in Random Deposition Processeses on Template Surfaces
The Journal of Physical Chemistry B, 2008A molecular model is proposed to study the enantioselective adsorption of chiral species on metallic surfaces modified through the preadsorption of another chiral species, known as template surfaces. It is found that anisotropic and exclusive interactions among adsorbed species are essential factors in the enantioselective process.
R H, López +4 more
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Surface-Templated Formation of Protein Microfibril Arrays
Langmuir, 2008Ordered arrays of collagen microfibrils form rapidly and spontaneously from a solution of monomers deposited onto a mica substrate. These arrays are well-ordered and apparently continuous over the entire substrate. Correlated atomic force microscope images and Laué diffraction patterns indicate that the protein alignment and microfibril formation is ...
Ming, Sun +2 more
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The Packing of a Template on a Flat Surface
Journal of Mechanical Design, 1980Two ways of nesting are covered: (1) all templates in uniform orientation, and (2) alternate columns of inverted templates. Columns of templates are formed and neighboring columns are meshed together. Then the template is rotated to a new orientation. The optimum packing is obtained by searching through the tightest packing of individual orientations ...
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Surface chemistry of carbon-templated mesoporous aluminas
Physical Chemistry Chemical Physics, 2009Using infrared spectroscopy, a comparative investigation was carried out of the surface properties of mesoporous aluminas prepared by the carbon templating route and of a commercial alumina PURAL SB. In the hydroxylated state the mesoporous materials bear surface OH groups terminally bonded to an octahedral Al3+ ion, which has basic properties.
Onfroy, T. +3 more
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Templating Surfaces with Gradient Assemblies
The Journal of Adhesion, 2005One of the most versatile and widely used methods of forming surfaces with position-dependent wettability is that conceived by Chaudhury and Whitesides more than a decade ago [Science 256, 1539 (1992)]. In this paper we review several projects that utilize this gradient-forming methodology for: controlled of deposition of self-assembled monolayers on ...
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Quasicrystal surfaces: structure and potential as templates
Journal of Physics: Condensed Matter, 2002We present a review of recent progress in determining the surface structure of quasicrystals, with emphasis on their connections to mathematical tiling models. The review focusses in particular on the five-fold surface of icosahedral Al-Pd-Mn and the ten-fold surface of decagonal Al-Ni-Co.
Rónán McGrath +3 more
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In vitro transcription of a whole gene on a surface-coupled template
Lab on a Chip, 2005An artificial gene was constructed combining the T7 promoter and terminator with the EGFP-gene from the plasmid pEGFP. The functionality of the construct was shown by in vitro translation. The gene-construct was immobilised on a planar glass surface. The transcription was performed on the immobilised gene and mRNA was determined by RT-PCR. Multiple use
Steffen, Jenny +2 more
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Kinetics and equilibrium of multicomponent adsorption on chiraly templated surfaces
Journal of Computational Chemistry, 2004AbstractIn this contribution we propose a simple model of adsorption of a binary (racemic) mixture on a chiraly templated surface. As an example, the adsorption of a liquid mixture of enantiomers on a chiral stationary phase (CSP) is considered. In particular, we study the effect of the lateral interactions in the adsorbed phase on the kinetic and ...
Pawel Szabelski, Julian Talbot
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Nanostructured Metal Surfaces Fabricated by a Nonlithographic Template Method
Langmuir, 2003We have developed a simple and completely nonlithographic preparation technique for free-standing nanostructured metallic films with a close-packed hexagonal array of metallic nanoembossments, by utilizing electrochemically prepared textured aluminum sheets as a replication master in conjunction with electrochemical deposition of metals.
Woo, Lee +7 more
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