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Filtering by: Creator Sahu, Subin Language English [eng]

Nonlinear behavior of thermal and ion transport at the nanoscale

Creator:

Sahu, Subin

Abstract:

Functional control at the nanoscale forms the foundation of biological systems. These work at the cellular level by manipulating ions and molecules. Nanoscale devices that give functional control at this scale are also becoming an important component in diverse fields such as electronics, medicine, engineering, and manufacturing. Moreover, scientific advances...

Resource Type:

Dissertation
Dehydration as a Universal Mechanism for Ion Selectivity in Graphene and Other Atomically Thin Pores

Creator:

Sahu, Subin, Di Ventra, Massimiliano, and Zwolak, Michael

Abstract:

Ion channels play a key role in regulating cell behavior and in electrical signaling. In these settings, polar and charged functional groups, as well as protein response, compensate for dehydration in an ion-dependent way, giving rise to the ion selective transport critical to the operation of cells. Dehydration, though, yields...

Resource Type:

Article
Crossover behavior of the thermal conductance and Kramers' transition rate theory

Creator:

Velizhanin, Kirill A., Sahu, Subin, Chien, Chih-Chun, Dubi, Yonatan, and Zwolak, Michael

Abstract:

Kramers’ theory frames chemical reaction rates in solution as reactants overcoming a barrier in the presence of friction and noise. For weak coupling to the solution, the reaction rate is limited by the rate at which the solution can restore equilibrium after a subset of reactants have surmounted the barrier...

Resource Type:

Article