92 citations · 304 across the 17 of their papers we have counts for
17 papers
Characteristics of mono-, di-, and trivalent cations in electric double layers: a molecular dynamic investigation
Bowen Ai, Zekun Gong, Long Ma +3
Ionic behaviors, including ion distributions and hydration characteristics at solid-liquid interfaces, are important research interests in many important applications, such as elec…
Modulation of Ionic Current Rectification in Short Unipolar Nanopores
Hongwen Zhang, Long Ma, Di Liu +3
With controlled ionic current rectification (ICR) achieved through a strategically designed non-uniform surface charge distribution, short unipolar nanopores exhibit promising appl…
Ionic current rectification under concentration gradients and its application in evaluating surface charge properties of micropores
Long Ma, Hongwen Zhang, Bowen Ai +3
Ionic current rectification (ICR) induced by electroosmotic flow (EOF) under concentration gradients can find many applications in micro/nanofluidic sensing and ionic circuits. Her…
Detection of Nanopores with the Scanning Ion Conductance Microscopy: A Simulation Study
Yinghua Qiu, Long Ma, Zhe Liu +3
During the dielectric breakdown process of thin solid-state nanopores, the application of high voltages may cause the formation of multi-nanopores on one chip, which number and siz…
Modulation of ionic current rectification in short bipolar nanopores
Hongwen Zhang, Long Ma, Chao Zhang +1
Bipolar nanopores, with asymmetric charge distributions, can induce significant ionic current rectification (ICR) at ultra-short lengths, finding potential applications in nanoflui…
Dynamic Response of Ionic Current in Conical Nanopores
Zhe Liu, Long Ma, Hongwen Zhang +4
Ionic current rectification (ICR) of charged conical nanopores has various applications in fields including nanofluidics, bio-sensing, and energy conversion, whose function is clos…
Improved theoretical prediction of nanoparticle sizes with the resistive-pulse technique
Zihao Gao, Long Ma, Zhe Liu +4
With the resistive-pulse technique (RPT), nanopores serve as the nanofluidic sensors of various analytes for their many physical and chemical properties. Here, we focus on the size…
Ion Transport through Short Nanopores Modulated by Charged Exterior Surfaces
Long Ma, Zhe Liu, Bowen Ai +4
Short nanopores find extensive applications capitalizing on their high throughput and detection resolution. Ionic behaviors through long nanopores are mainly determined by charged…
Modulation Mechanism of Ionic Transport through Short Nanopores by Charged Exterior Surfaces
Long Ma, Zhe Liu, Jia Man +3
Short nanopores have various applications in biosensing, desalination, and energy conversion. Here, the modulation of charged exterior surfaces on ionic transport is investigated t…
Influences of Electroosmotic Flow on Ionic Current through Nanopores: a Comprehensive Understanding
Yinghua Qiu, Long Ma
Continuum simulations become an important tool to uncover the mysteries in nanofluidic experiments. However, fluid flow in simulation models is usually unconsidered. Here, systemat…
Influences of Divalent Ions in Natural Seawater/River Water on Nanofluidic Osmotic Energy Generation
Fenhong Song, Xuan An, Long Ma +2
Besides the dominant NaCl, natural seawater/river water contains trace multivalent ions, which can provide effective screening to surface charges. Here, in both negatively and posi…
Characterization of the Surface Charge Property and Porosity of Track-etched Polymer Membranes
Jiakun Zhuang, Long Ma, Yinghua Qiu
As an important property of porous membranes, the surface charge property determines many ionic behaviors of nanopores, such as ionic conductance and selectivity. Based on the depe…
Theoretical prediction of diffusive ionic current through nanopores under salt gradients
Long Ma, Zihao Gao, Jia Man +3
In charged nanopores, ionic diffusion current reflects the ionic selectivity and ionic permeability of nanopores which determines the performance of osmotic energy conversion, i.e.…
Effective Charged Exterior Surfaces for Enhanced Ionic Diffusion through Nanopores under Salt Gradients
Long Ma, Xuan An, Fenhong Song +1
High-performance osmotic energy conversion requires both large ionic throughput and high ionic selectivity, which can be significantly promoted by exterior surface charges simultan…
Significantly Enhanced Performance of Nanofluidic Osmotic Power Generation by Slipping Surfaces of Nanopores
Long Ma, Kabin Lin, Yinghua Qiu +4
High-performance osmotic energy conversion (OEC) with perm-selective porous membrane requires both high ionic selectivity and permeability simultaneously. Here, hydrodynamic slip i…
High-Performance Nanofluidic Osmotic Power Generation Enabled by Exterior Surface Charges under the Natural Salt Gradient
Long Ma, Zhongwu Li, Zhishan Yuan +3
High-performance osmotic energy conversion (OEC) requires both high ionic selectivity and permeability in nanopores. Here, through systematical explorations of influences from indi…
Modulation of Ionic Current Rectification in Ultra-Short Conical Nanopores
Long Ma, Zhongwu Li, Zhishan Yuan +3
Nanopores that exhibit ionic current rectification (ICR) behave like diodes, such that they transport ions more efficiently in one direction than the other. Conical nanopores have…