ArticleACS nano2013
Rectification of ion current in nanopipettes by external substrates.
Article in ACS nano, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
19 citing papers in PubMed.
- Evaluation of the Potential of Zero Charge of Thin-Film (111) Platinum at the Nanoscale Using Scanning Electrochemical Cell Microscopy.Small science · 2026Article
- Super-resolution imaging with nanopipettes.Npj imaging · 2025Article
- Operando Scanning Electrochemical Probe Microscopy during Electrocatalysis.Chemical reviews · 2023Review
- Charge Mapping ofAnalytical chemistry · 2023Article
- The New Era of High-Throughput Nanoelectrochemistry.Analytical chemistry · 2023Review
- Scanning Ion Conductance Microscopy of Nafion-Modified Nanopores.Journal of the Electrochemical Society · 2023Article
- Self-snapping hydrogel-based electroactive microchannels as nerve guidance conduits.Materials today. Bio · 2022Article
- Scanning Ion Conductance Microscopy.Chemical reviews · 2021Review
- Surface Charge Measurements with Scanning Ion Conductance Microscopy Provide Insights into Nitrous Acid Speciation at the Kaolin Mineral-Air Interface.Environmental science & technology · 2021Article
- Scanning ion conductance microscopy of isolated metaphase chromosomes in a liquid environment.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021Article
- In situ Surface Charge Density Visualization of Self-assembled DNA Nanostructures after Ion Exchange.Chemphyschem : a European journal of chemical physics and physical chemistry · 2020Article
- Review
- From Ion Current to Electroosmotic Flow Rectification in Asymmetric Nanopore Membranes.Nanomaterials (Basel, Switzerland) · 2017Review
- Multifunctional scanning ion conductance microscopy.Proceedings. Mathematical, physical, and engineering sciences · 2017Review
- Electrostatic Ion Enrichment in an Ultrathin-Layer Cell with a Critical Dimension between 5 and 20 nm.Analytical chemistry · 2017Article
- Nanopore Sensing.Analytical chemistry · 2017Review
- Mapping surface charge density of lipid bilayers by quantitative surface conductivity microscopy.Nature communications · 2016Article
- Origin of the Shape of Current-Voltage Curve through Nanopores: A Molecular Dynamics Study.Scientific reports · 2016Article
- Fundamental studies of nanofluidics: nanopores, nanochannels, and nanopipets.Analytical chemistry · 2015Review
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
We describe ion distribution and the current-voltage (i-V) response of nanopipettes at different probe-to-substrate distances (Dps) as simulated by finite-element methods. Results suggest electrostatic interactions between a charged substrate and the nanopipette dominate electrophoretic ion transport through the nanopipette when Dps is within 1 order of magnitude of the Debye length (∼10 nm for a 1 mM solution as employed in the simulation). Ion current rectification (ICR) and permselectivity associated with a neutral or charged nanopipette can be reversibly enhanced or reduced dependent on Dps, charge polarity, and charge density (σ) of the substrate. Regulation of nanopipette current is a consequence of the enrichment or depletion of ions within the nanopipette interior, which influences conductivity of the nanopipette. When the external substrate is less negatively charged than the nanopipette, the substrate first reduces, and then enhances the ICR as Dps decreases. Surprisingly, both experimental and simulated data show that a neutral substrate was also able to reduce and reverse the ICR of a slightly negatively charged nanopipette. Simulated results ascribe such effects to the elimination of ion depletion within the nanopipette at positive potentials.
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.