منابع مشابه
Exercises in Molecular Computing
CONSPECTUS: The successes of electronic digital logic have transformed every aspect of human life over the last half-century. The word "computer" now signifies a ubiquitous electronic device, rather than a human occupation. Yet evidently humans, large assemblies of molecules, can compute, and it has been a thrilling challenge to develop smaller, simpler, synthetic assemblies of molecules that c...
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This paper describes the placement of a large-scale cyberdefense exercise within the computer science and information technology curricula at an undergraduate institution, the United States Military Academy. Specifically, we describe the US National Security Agency Cyber-Defense Exercise as an example of a large-scale design, implement, and defend exercise. Furthermore, we provide evidence that...
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We design a molecular Turing machine and determine the complexity of the problems solvable by molecular computers. In A94], a combinatorial molecular experiment to solve the NP-complete problem of Hamiltonian Path was proposed and implemented. Using our design, we show that such molecular computers can in fact compute PSPACE, under the generous assumptions implicit in A94]. Under stronger and s...
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The functional versatility of tetrapyrroles as natural cofactors is related to their conformational flexibility where manipulation of the macrocycle conformation allows a fine-tuning of their physicochemical properties. This feature article gives a personal account of the synthesis and solid state structural characterization of highly substituted, non-planar porphyrins. Their conformational ana...
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Biopolymers such as nucleic acids and proteins encode biological data and may be viewed as strings of chemical letters. While electronic computers manipulate strings of 0’s and 1’s encoded in electric signals, biologically encoded data might, in principle, be manipulated by biochemical means. During the last decade, several approaches to compute with biomolecules were developed, and the field h...
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ژورنال
عنوان ژورنال: Accounts of Chemical Research
سال: 2014
ISSN: 0001-4842,1520-4898
DOI: 10.1021/ar5000538