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info-nanotechnology.blogspot.com

Nanotechnology: Butadiyne

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Monday, September 8, 2008. While butadiyne was selected here as the primary feedstock molecule, this choice was motivated by considerations involving the simplicity and ease of analysis of the reactions and the simplicity of the binding site. Other hydrocarbon feedstocks will likely be advantageous when other criteria are used (e.g., ease of bulk production and handling of the feedstock). Subscribe to: Post Comments (Atom). A complete set of tools? Binding and bonding to butadiyne.

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Nanotechnology: Origins

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Thursday, September 4, 2008. The first use of the concepts in 'nano-technology' (but predating use of that name) was in " There's Plenty of Room at the Bottom. A talk given by physicist Richard Feynman. At an American Physical Society. Would become more important, etc. This basic idea appears plausible, and exponential assembly enhances it with parallelism. To produce a useful quantity of end products. The term "nanotechnology" was defined by Tokyo Science University. And so the term acquired its current...

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Nanotechnology: Fundamental concepts

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Thursday, September 4, 2008. One nanometer (nm) is one billionth, or 10. Of a meter. By comparison, typical carbon-carbon bond lengths. Or the spacing between these atoms in a molecule, are in the range 0.12-0.15 nm. Double-helix has a diameter around 2 nm. On the other hand, the smallest cellular. Lifeforms, the bacteria of the genus Mycoplasma. Are around 20000 nm in length. Larger to smaller: a materials perspective. The positions of the individual atoms composing the surface are visible. Research&#46...

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Nanotechnology: Introduction

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Monday, September 8, 2008. Merkle, 1996a). The design of such a device is further broken down into subsystems, and the design and analysis of the subsystems carried out in greater detail. Various aspects of the over all system design can be considered (Drexler 1992, Merkle 1992, 1996a, 1997a, 1997b). This paper focuses on simplifying the set of molecular tools used, and the chemical reactions used to refresh those tools. By contrast, if our structures contain only hydrogen and carbon then the design and ...

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Nanotechnology: A complete set of tools?

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Monday, September 8, 2008. A complete set of tools? We assume that the following tools allow us to build all the stiff hydrocarbons that are needed in a hydrocarbon assembler. This assumption requires further investigation, but appears plausible at the present time. Our objective is therefore to synthesize and refresh the following molecular tools from butadiyne:. The hydrogen abstraction tool:. Two carbon, a silicon and a tin radical:. The dimer deposition tool:. The hydrogen deposition tool:. Many of t...

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Nanotechnology: Binding and bonding to butadiyne

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Monday, September 8, 2008. Binding and bonding to butadiyne. A bucky tube, such as the (9,0) bucky tube illustrated at the right, could serve as a binding site for a simple linear molecule like butadiyne (Merkle, 1997a). Such a binding site would serve to bind the butadiyne from the external feedstock solution, and would allow the transfer of the bound butadiyne to the interior of the assembler. Reactions 1 and 2. To a terminal carbon of the C. Of 14 × 10. Moiety were blocked. (It is possible that th...

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Podiums and Lecterns | PodiumAndLecternStore

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