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  • Author(s):
    Jae Hyun Park, Eamonn Kennedy, Mohammad Hokmabadi, Lisa Almonte-Garcia, Li Ding, Narayana Aluru, Gregory Timp
    Abstract:

    The size of an ion affects everything from the structure of water to life itself. In this report, to gauge their size, ions dissolved in water are forced electrically through a sub-nanometer- diameter pore spanning a thin membrane and the current is measured. The measurements reveal an ion-selective conductance that vanishes in pores <0.24 nm in diameter—the size of a water molecule—indicating that permeating ions have a grossly distorted hydration shell. Analysis of the current noise powe…

    Date Published:
    2019-05
  • Author(s):
    Gregory Timp, Eamonn Kennedy, Zhuxin Dong, Clare Tennant
    Abstract:

    Disclosed are then inorganic membranes having a defined topography that includes pores having a defined diameter of nanometer and sub-nanometer diameter. The thin membranes are resistant to protein denaturing agents, and may be employed in analytical and clinical methods for identifying single amino acid residues within the sequence of a protein and the pores are other than NspA pores. Methods for making a thin inorganic membrane with nanopore and sub-nanopore topography and conical cone stru…

    Date Created:
    2019-09-26
    Resource Type
    Document
  • Author(s):
    Zhuxin Dong, Jae Hyde Park, Eamonn Kennedy, Mohammad Hokmabadi, Lisa Almonte-Garcia, Li Ding, Narayana Aluru, Gregory Timp
    Abstract:

    The size of an ion affects everything from the structure of water to life itself. In this report, to gauge their size, ions dissolved in water are forced electrically through a sub-nanometer- diameter pore spanning a thin membrane and the current is measured. The measurements reveal an ion-selective conductance that vanishes in pores <0.24 nm in diameter—the size of a water molecule—indicating that permeating ions have a grossly distorted hydration shell. Analysis of the current noise powe…

    Date Published:
    2019-05
  • Author(s):
    Eveline Rigo, Zhuzin Dong, Jae Hyun Park, Eamonn Kennedy, Mohammad Hokmabadi, Lisa Almonte-Garcia, Li Ding, Narayana Aluru, Gregory Timp
    Abstract:

    The size of an ion affects everything from the structure of water to life itself. In this report, to gauge their size, ions dissolved in water are forced electrically through a sub-nanometer- diameter pore spanning a thin membrane and the current is measured. The measurements reveal an ion-selective conductance that vanishes in pores <0.24 nm in diameter—the size of a water molecule—indicating that permeating ions have a grossly distorted hydration shell. Analysis of the current noise powe…

  • Author(s):
    Gregory Timp, Eamonn Kennedy, Zhuxin Dong, Clare Tennant
    Abstract:

    Disclosed are then inorganic membranes having a defined topography that includes pores having a defined diameter of nanometer and sub-nanometer diameter. The thin membranes are resistant to protein denaturing agents, and may be employed in analytical and clinical methods for identifying single amino acid residues within the sequence of a protein and the pores are other than NspA pores. Methods for making a thin inorganic membrane with nanopore and sub-nanopore topography and conical cone stru…

    Date Created:
    2019-02-28
    Resource Type
    Document
  • Author(s):
    Gregory Timp, Eamonn Kennedy
    Abstract:

    Disclosed are then inorganic membranes having a defined topography that includes pores having a defined diameter of nanometer and sub-nanometer diameter. The thin membranes are resistant to protein denaturing agents, and may be employed in analytical and clinical methods for identifying single amino acid residues within the sequence of a protein and the pores are other than NspA pores. Methods for making a thin inorganic membrane with nanopore and sub-nanopore topography and conical cone stru…

    Date Created:
    2019-02-28
    Resource Type
    Document