Ayumi Hirano‐Iwata
YOU?
Author Swipe
View article: Genesis of Horizontal Membrane Electric Field by Bilayer-Embedded Electrodes
Genesis of Horizontal Membrane Electric Field by Bilayer-Embedded Electrodes Open
For over a century, the electric field of biological membranes has been regarded as a one-dimensional entity, defined exclusively by the component normal to the bilayer (E_VERT). Here, we challenge this conventional view by developing a de…
View article: Grain boundary: a decisive constraint in integrated-back-contact perovskite solar cells
Grain boundary: a decisive constraint in integrated-back-contact perovskite solar cells Open
View article: Distinct Structural Responses of Lipid Bilayers to Horizontal and Vertical Electric Fields
Distinct Structural Responses of Lipid Bilayers to Horizontal and Vertical Electric Fields Open
Electric fields modulate the structure and mechanical properties of biological membranes, influencing diverse cellular processes. While the effects of vertical electric fields (EVert) across the membranes have been…
View article: Gold-electrode-integrated Teflon sheets for applying horizontal voltage to artificial cell membranes
Gold-electrode-integrated Teflon sheets for applying horizontal voltage to artificial cell membranes Open
A “horizontal voltage” applied parallel to artificial lipid bilayers enables novel modulation of ion channel activity beyond conventional transmembrane voltage. A previously reported device for this purpose employed a Teflon sheet with tit…
View article: Online supervised learning of temporal patterns in biological neural networks under feedback control
Online supervised learning of temporal patterns in biological neural networks under feedback control Open
In vitro biological neural networks (BNNs) provide well-defined model systems for constructively investigating how living cells interact with their environments to shape high-dimensional dynamics that can be used to generate coherent tempo…
View article: Modular architecture confers robustness to damage and facilitates recovery in spiking neural networks modeling in vitro neurons
Modular architecture confers robustness to damage and facilitates recovery in spiking neural networks modeling in vitro neurons Open
Impaired brain function is restored following injury through dynamic processes that involve synaptic plasticity. This restoration is supported by the brain’s inherent modular organization, which promotes functional separation and redundanc…
View article: Microfluidic platforms for probing spontaneous functional recovery in hierarchically modular neuronal networks
Microfluidic platforms for probing spontaneous functional recovery in hierarchically modular neuronal networks Open
Inherent capacity to flexibly reorganize after injury is a hallmark of brain networks, and recent studies suggest that functional consequences of focal damage are strongly influenced by the network’s non-random connectivity. Although many …
View article: P09 - Piezoelectric pressure mapping sensors using the poling effect induced by surface chemical modification
P09 - Piezoelectric pressure mapping sensors using the poling effect induced by surface chemical modification Open
View article: Spontaneous Generation of Hydrogen Peroxide and Radicals from Bulk Nanobubbles in Pure Water
Spontaneous Generation of Hydrogen Peroxide and Radicals from Bulk Nanobubbles in Pure Water Open
View article: Practical Ald Method for Improving Gas Barrier Properties of Plastic Bottles
Practical Ald Method for Improving Gas Barrier Properties of Plastic Bottles Open
View article: Precision Microfluidic Control of Neuronal Ensembles in Cultured Cortical Networks
Precision Microfluidic Control of Neuronal Ensembles in Cultured Cortical Networks Open
In vitro neuronal culture is an important research platform in cellular and network neuroscience. However, neurons cultured on a homogeneous scaffold form dense, randomly connected networks and display excessively synchronized activity; th…
View article: In silico modeling of reservoir-based predictive coding in biological neuronal networks on microelectrode arrays
In silico modeling of reservoir-based predictive coding in biological neuronal networks on microelectrode arrays Open
Reservoir computing and predictive coding together yield a computational model for exploring how neuronal dynamics in the mammalian cortex underpin temporal signal processing. Here, we construct an in-silico model of biological neuronal ne…
View article: On the Special Issue “Soft-nanotechnology for Brain Science and Biological Systems”
On the Special Issue “Soft-nanotechnology for Brain Science and Biological Systems” Open
View article: Network Structure and Reservoir Computing in Cultured Neuronal Networks
Network Structure and Reservoir Computing in Cultured Neuronal Networks Open
View article: Precision microfluidic control of neuronal ensembles in cultured cortical networks
Precision microfluidic control of neuronal ensembles in cultured cortical networks Open
In vitro neuronal culture is an important research platform in cellular and network neuroscience. However, neurons cultured on a homogeneous scaffold form dense, randomly connected networks and display excessively synchronized activity; th…
View article: Directional intermodular coupling enriches functional complexity in biological neuronal networks
Directional intermodular coupling enriches functional complexity in biological neuronal networks Open
Hierarchically modular organization is a canonical network topology that is evolutionarily conserved in the nervous systems of animals. Within the network, neurons form directional connections defined by the growth of their axonal terminal…
View article: Osteogenic differentiation of mesenchymal stem cell spheroids: A microfluidic device and electrochemiluminescence imaging study
Osteogenic differentiation of mesenchymal stem cell spheroids: A microfluidic device and electrochemiluminescence imaging study Open
Human mesenchymal stem cells (MSCs) have attracted attention as a major cellular source for regenerative medicine and preclinical studies. Three-dimensional (3D) cell culture systems can be used to construct physiologically relevant MSC sp…
View article: Size-dependent coalescence of nanobubbles in pure water
Size-dependent coalescence of nanobubbles in pure water Open
Previously, we experimentally demonstrated that similar-sized bulk nanobubbles (NBs) preferentially coalesce when the NB size is ~100 nm. To explain this peculiar NB coalescence phenomenon, we performed a nanoparticle trajectory analysis t…
View article: Radical generation and bactericidal activity of nanobubbles produced by ultrasonic irradiation of carbonated water
Radical generation and bactericidal activity of nanobubbles produced by ultrasonic irradiation of carbonated water Open
View article: Size-Dependent Coalescence of Nanobubbles in Pure Water
Size-Dependent Coalescence of Nanobubbles in Pure Water Open
View article: Radical Generation and Bactericidal Activity of Nanobubbles Produced by Ultrasonic Irradiation of Carbonated Water
Radical Generation and Bactericidal Activity of Nanobubbles Produced by Ultrasonic Irradiation of Carbonated Water Open
View article: Generation of Nanobubbles Using Alumina Nanopores and Bubble Coalescence
Generation of Nanobubbles Using Alumina Nanopores and Bubble Coalescence Open
Nanobubbles (NBs), with their unique physicochemical properties and promising applications, have become an important research topic. Generation of monodispersed bulk NBs with specified gas content remains a challenge. We developed a simple…
View article: Datasets that simulated ion channel currents
Datasets that simulated ion channel currents Open
This repository contains pseudo-ion-channel current datasets described in the 2023 publication “Model-Free Idealization: Adaptive Integrated Approach for Idealization of Ion Channel Currents (AI2)”. The datasets simulate ion channel curren…
View article: Datasets that simulated ion channel currents
Datasets that simulated ion channel currents Open
This repository contains pseudo-ion-channel current datasets described in the 2023 publication “Model-Free Idealization: Adaptive Integrated Approach for Idealization of Ion Channel Currents (AI2)”. The datasets simulate ion channel curren…
View article: Model-free idealization: Adaptive integrated approach for idealization of ion-channel currents
Model-free idealization: Adaptive integrated approach for idealization of ion-channel currents Open
View article: Modular architecture facilitates noise-driven control of synchrony in neuronal networks
Modular architecture facilitates noise-driven control of synchrony in neuronal networks Open
High-level information processing in the mammalian cortex requires both segregated processing in specialized circuits and integration across multiple circuits. One possible way to implement these seemingly opposing demands is by flexibly s…
View article: Biological neurons act as generalization filters in reservoir computing
Biological neurons act as generalization filters in reservoir computing Open
Reservoir computing is a machine learning paradigm that transforms the transient dynamics of high-dimensional nonlinear systems for processing time-series data. Although the paradigm was initially proposed to model information processing i…
View article: Dataset for: Biological neurons act as generalization filters in reservoir computing
Dataset for: Biological neurons act as generalization filters in reservoir computing Open
This dataset contains the fluorescence traces from calcium imaging. The data are provided in csv format, wherein the value represents relative fluorescent unit (⊿F/F) of neuron i (arranged in columns) at t-th frame (arranged in rows). The …
View article: Dataset for: Biological neurons act as generalization filters in reservoir computing
Dataset for: Biological neurons act as generalization filters in reservoir computing Open
This dataset contains the fluorescence traces from calcium imaging. The data are provided in csv format, wherein the value represents relative fluorescent unit (⊿F/F) of neuron i (arranged in columns) at t-th frame (arranged in rows). The …
View article: Model-Free Idealization: Adaptive Integrated Approach for Idealization of Ion Channel Currents (AI2)
Model-Free Idealization: Adaptive Integrated Approach for Idealization of Ion Channel Currents (AI2) Open
Single-channel electrophysiological recordings provide insights into transmembrane ion permeation and channel gating mechanisms. The first step in the analysis of the recorded currents involves an "idealization" process, in which noisy raw…