Alex Smolyanitsky
YOU?
Author Swipe
View article: Entropic Modulation of Divalent Cation Transport
Entropic Modulation of Divalent Cation Transport Open
Aqueous cations permeate subnanoscale pores by crossing free energy barriers dominated by competing enthalpic contributions from transiently decreased ion-solvent and increased ion-pore electrostatic interactions. This commonly accepted vi…
View article: Diffusive to Barrier-Limited Transition in the Aqueous Ion Transport through Nanoporous 2D Materials
Diffusive to Barrier-Limited Transition in the Aqueous Ion Transport through Nanoporous 2D Materials Open
The interplay of interactions between aqueous ions and the confinement of subnanoscale pores in solid 2D membranes causes a range of barrier-limited phenomena, including selective ion trapping and permeation, mechanosensitive transport, an…
View article: Synaptic-like plasticity in 2D nanofluidic memristor from competitive bicationic transport
Synaptic-like plasticity in 2D nanofluidic memristor from competitive bicationic transport Open
Synaptic plasticity, the dynamic tuning of signal transmission strength between neurons, serves as a fundamental basis for memory and learning in biological organisms. This adaptive nature of synapses is considered one of the key features …
View article: Synaptic-Like Plasticity in 2D Nanofluidic Memristor from Competitive Bicationic Transport
Synaptic-Like Plasticity in 2D Nanofluidic Memristor from Competitive Bicationic Transport Open
Synaptic plasticity, the dynamic tuning of signal transmission strength between neurons, serves as a fundamental basis for memory and learning in biological organisms. This adaptive nature of synapses is considered one of the key features …
View article: Memristive Response and Capacitive Spiking in Aqueous Ion Transport through Two-Dimensional Nanopore Arrays
Memristive Response and Capacitive Spiking in Aqueous Ion Transport through Two-Dimensional Nanopore Arrays Open
In living organisms, information is processed in interconnected symphonies of ionic currents spiking through protein ion channels. As a result of dynamic switching of their conductive states, ion channels exhibit a variety of current-volta…
View article: Memristive response and capacitive spiking in the aqueous ion transport through 2D nanopore arrays
Memristive response and capacitive spiking in the aqueous ion transport through 2D nanopore arrays Open
In living organisms, information is processed in interconnected symphonies of ionic currents spiking through protein ion channels. As a result of dynamically switching their conductive states, ion channels exhibit a variety of current-volt…
View article: Fabrication of Atomically Precise Nanopores in 2D Hexagonal Boron Nitride Using Electron and Ion Beam Microscopes
Fabrication of Atomically Precise Nanopores in 2D Hexagonal Boron Nitride Using Electron and Ion Beam Microscopes Open
Journal Article Fabrication of Atomically Precise Nanopores in 2D Hexagonal Boron Nitride Using Electron and Ion Beam Microscopes Get access Dana O Byrne, Dana O Byrne Department of Materials Science and Engineering, University of Californ…
View article: High-Throughput Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis
High-Throughput Nanopore Fabrication and Classification Using Xe-Ion Irradiation and Automated Pore-Edge Analysis Open
Large-area nanopore drilling is a major bottleneck in state-of-the-art nanoporous 2D membrane fabrication protocols. In addition, high-quality structural and statistical descriptions of as-fabricated porous membranes are key to predicting …
View article: High-throughput nanopore fabrication and classification using FIB irradiation and automated pore edge analysis
High-throughput nanopore fabrication and classification using FIB irradiation and automated pore edge analysis Open
Large-area nanopore drilling is a major bottleneck in state-of-the-art nanoporous 2D membrane fabrication protocols. In addition, high-quality structural and statistical descriptions of as-fabricated porous membranes are key to predicting …
View article: Nanopores in Atomically Thin 2D Nanosheets Limit Aqueous Single-Stranded DNA Transport
Nanopores in Atomically Thin 2D Nanosheets Limit Aqueous Single-Stranded DNA Transport Open
Nanopores in 2D materials are highly desirable for DNA sequencing, yet achieving single-stranded DNA (ssDNA) transport through them is challenging. Using density functional theory calculations and molecular dynamics simulations we show tha…
View article: Origin and control of ionic hydration patterns in nanopores
Origin and control of ionic hydration patterns in nanopores Open
View article: Field-Dependent Dehydration and Optimal Ionic Escape Paths for C<sub>2</sub>N Membranes
Field-Dependent Dehydration and Optimal Ionic Escape Paths for C<sub>2</sub>N Membranes Open
Most analytic theories describing electrostatically driven ion transport through water-filled nanopores assume that the corresponding permeation barriers are bias-independent. While this assumption may hold for sufficiently wide pores unde…
View article: Towards Predicting And Controlling Ionic Hydration Patterns In Nanopores
Towards Predicting And Controlling Ionic Hydration Patterns In Nanopores Open
We propose a method to describe analytically the ionic hydration patterns near sub-nanopores. It agrees well with molecular dynamics simulations, predicts the locations of the trapped water molecules, and captures the intrinsic and extrins…
View article: Origin and control of ionic hydration patterns in nanopores
Origin and control of ionic hydration patterns in nanopores Open
In order to permeate a nanopore, an ion must overcome a dehydration energy barrier caused by the redistribution of surrounding water molecules. The redistribution is inhomogeneous, anisotropic and strongly position-dependent, resulting in …
View article: Solid-State Nanopores with Atomically Smooth Surface for ssDNA Transport
Solid-State Nanopores with Atomically Smooth Surface for ssDNA Transport Open
Engineered protein nanopores have been demonstrated to be promising candidates for de-novo high-throughput, low-cost DNA sequencing. Their solid-state analogs, on the other hand, remain lacking for this application due to poorly controllab…
View article: Solid-state ion channels gated by directed strain
Solid-state ion channels gated by directed strain Open
We combine quantum-chemical calculations and molecular dynamics simulations to consider aqueous ion flow across non-axisymmetric nanopores in monolayer graphene and MoS2. When the pore-containing membrane is subject to uniaxial tensile str…
View article: Large Variations in the Composition of Ionic Liquid–Solvent Mixtures in Nanoscale Confinement
Large Variations in the Composition of Ionic Liquid–Solvent Mixtures in Nanoscale Confinement Open
Mixtures of an ionic liquid with an organic solvent are widely used as electrolytes in supercapacitors where they are often confined in porous electrodes with pore widths only slightly larger than the sizes of bare ions or solvent molecule…
View article: Mechanosensitive Ion Permeation across Subnanoporous MoS<sub>2</sub> Monolayers
Mechanosensitive Ion Permeation across Subnanoporous MoS<sub>2</sub> Monolayers Open
We use all-atom molecular dynamics simulations informed by density functional\ntheory calculations to investigate aqueous ion transport across sub-nanoporous\nmonolayer molybdenum disulfide (MoS$_2$) membranes subject to varying tensile\ns…
View article: Mechanosensitive ion permeation across sub-nanoporous MoS$_2$ monolayers
Mechanosensitive ion permeation across sub-nanoporous MoS$_2$ monolayers Open
We use all-atom molecular dynamics simulations informed by density functional theory calculations to investigate aqueous ion transport across sub-nanoporous monolayer molybdenum disulfide (MoS$_2$) membranes subject to varying tensile stra…
View article: Aqueous Ion Trapping and Transport in Graphene-Embedded 18-Crown-6 Ether Pores
Aqueous Ion Trapping and Transport in Graphene-Embedded 18-Crown-6 Ether Pores Open
Using extensive room-temperature molecular dynamics simulations, we investigate selective aqueous cation trapping and permeation in graphene-embedded 18-crown-6 ether pores. We show that in the presence of suspended water-immersed crown-po…
View article: Graphene deflectometry for sensing molecular processes at the nanoscale
Graphene deflectometry for sensing molecular processes at the nanoscale Open
Single-molecule sensing is at the core of modern biophysics and nanoscale science, from revolutionizing healthcare through rapid, low-cost sequencing to understanding various physical, chemical, and biological processes at their most basic…
View article: A MoS<sub>2</sub>-Based Capacitive Displacement Sensor for DNA Sequencing
A MoS<sub>2</sub>-Based Capacitive Displacement Sensor for DNA Sequencing Open
We propose an aqueous functionalized molybdenum disulfide nanoribbon suspended over a solid electrode as a capacitive displacement sensor aimed at determining the DNA sequence. The detectable sequencing events arise from the combination of…
View article: Effects of thermal rippling on the frictional properties of free-standing graphene
Effects of thermal rippling on the frictional properties of free-standing graphene Open
A unique case of dynamically corrugated surfaces is presented for the first time, attributed to the effect of significant thermally excited flexural waves in atomically thin layers on kinetic friction.