4
views
0
recommends
+1 Recommend
0 collections
    0
    shares
      • Record: found
      • Abstract: not found
      • Article: not found

      On-Chip Maxwell’s Demon as an Information-Powered Refrigerator

      Read this article at

      ScienceOpenPublisher
      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Related collections

          Most cited references33

          • Record: found
          • Abstract: not found
          • Article: not found

          �ber die Entropieverminderung in einem thermodynamischen System bei Eingriffen intelligenter Wesen

          L SZILARD (1929)
            Bookmark
            • Record: found
            • Abstract: not found
            • Article: not found

            Offset masks for lift‐off photoprocessing

            G. Dolan (1977)
              Bookmark
              • Record: found
              • Abstract: found
              • Article: not found

              A molecular information ratchet.

              Motor proteins and other biological machines are highly efficient at converting energy into directed motion and driving chemical systems away from thermodynamic equilibrium. But even though these biological structures have inspired the design of many molecules that mimic aspects of their behaviour, artificial nanomachine systems operate almost exclusively by moving towards thermodynamic equilibrium, not away from it. Here we show that information about the location of a macrocycle in a rotaxane-a molecular ring threaded onto a molecular axle-can be used, on the input of light energy, to alter the kinetics of the shuttling of the macrocycle between two compartments on the axle. For an ensemble of such molecular machines, the macrocycle distribution is directionally driven away from its equilibrium value without ever changing the relative binding affinities of the ring for the different parts of the axle. The selective transport of particles between two compartments by brownian motion in this way bears similarities to the hypothetical task performed without an energy input by a 'demon' in Maxwell's famous thought experiment. Our observations demonstrate that synthetic molecular machines can operate by an information ratchet mechanism, in which knowledge of a particle's position is used to control its transport away from equilibrium.
                Bookmark

                Author and article information

                Journal
                PRLTAO
                Physical Review Letters
                Phys. Rev. Lett.
                American Physical Society (APS)
                0031-9007
                1079-7114
                December 2015
                December 30 2015
                : 115
                : 26
                Article
                10.1103/PhysRevLett.115.260602
                87161db9-7447-4b8e-9e60-c3a65fca7a7b
                © 2015

                http://link.aps.org/licenses/aps-default-license

                History

                Comments

                Comment on this article