Ryo Sakakibara
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View article: Visualizing Molecular-Scale 3D Distributions of Ionic Liquids in Electric Double-Layer Capacitor by 3D Scanning Force Microscopy with Variable Tip/Sample Bias Voltages
Visualizing Molecular-Scale 3D Distributions of Ionic Liquids in Electric Double-Layer Capacitor by 3D Scanning Force Microscopy with Variable Tip/Sample Bias Voltages Open
Atomic force microscopy (AFM) imaging of ionic liquid (IL) distribution in electric double-layer (EDL) devices has been actively explored to understand the origin of their excellent performance. However, this has been impeded by insufficie…
View article: Evaluation of Non-Humidified High-Temperature Polymer Electrolyte Fuel Cell System by Heavy Duty Vehicle Driving Simulations
Evaluation of Non-Humidified High-Temperature Polymer Electrolyte Fuel Cell System by Heavy Duty Vehicle Driving Simulations Open
View article: Feasibility Study on Evaluation Method for Plateau Surfaces by Conic Curve Fitting Using Information of Conjugate Diameter
Feasibility Study on Evaluation Method for Plateau Surfaces by Conic Curve Fitting Using Information of Conjugate Diameter Open
Plateau surfaces have excellent sliding properties because only the high peaks of surface asperity are smoothed. Therefore, they form the sliding surfaces for automobile engines and machine tools, contributing to their high performance and…
View article: A Study of the Analysis Method for the Surface Roughness on the Inner Bore of Diesel Engines before and after Running-in Operations
A Study of the Analysis Method for the Surface Roughness on the Inner Bore of Diesel Engines before and after Running-in Operations Open
In modern automotive engines, the importance of lubrication properties is increasing with the demand for optimizing mechanical durability and fuel efficiency. The running-in of engines removes microscopic irregularities from the surfaces o…
View article: Study on Affect by Calculation Algorithm for Material Probability Curve to Roughness Parameters of Plateau Surface
Study on Affect by Calculation Algorithm for Material Probability Curve to Roughness Parameters of Plateau Surface Open
The automotive industry requires effective evaluation methods for the quality control of automobile parts and bearings. The ISO standard defines the calculation of roughness parameters from the material ratio curve (“MRC”) and …
View article: Correction: A Proposal of Hyperbolic Fitting Method by Applying the Properties of Functions for Plateau Surface Analysis in ISO 13565–3
Correction: A Proposal of Hyperbolic Fitting Method by Applying the Properties of Functions for Plateau Surface Analysis in ISO 13565–3 Open
View article: An almost nontoxic tetrodotoxin analog, 5,6,11-trideoxytetrodotoxin, as an odorant for the grass puffer
An almost nontoxic tetrodotoxin analog, 5,6,11-trideoxytetrodotoxin, as an odorant for the grass puffer Open
View article: Surface Roughness Evaluation of the Inner Surface of Automobile Engine Bores by RANSAC and the Least Squares Method
Surface Roughness Evaluation of the Inner Surface of Automobile Engine Bores by RANSAC and the Least Squares Method Open
Analysis methods for plateau surfaces have been described in the ISO standards, JIS, and previous studies. The authors of a previous study proposed a method based on the concept of random sample consensus (RANSAC). This method achieved hig…
View article: An almost nontoxic tetrodotoxin analog, 5,6,11-trideoxytetrodotoxin, as an odorant for the grass puffer
An almost nontoxic tetrodotoxin analog, 5,6,11-trideoxytetrodotoxin, as an odorant for the grass puffer Open
Toxic puffers contain the potent neurotoxin, tetrodotoxin (TTX). Although TTX is considered to serve as a defense substance, previous behavioral studies have demonstrated that TTX acts as an attractive pheromone for some toxic puffers. To …
View article: CCDC 2043512: Experimental Crystal Structure Determination
CCDC 2043512: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2043511: Experimental Crystal Structure Determination
CCDC 2043511: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2043513: Experimental Crystal Structure Determination
CCDC 2043513: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2043510: Experimental Crystal Structure Determination
CCDC 2043510: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: First Detection of Tetrodotoxins in the Cotylean Flatworm Prosthiostomum trilineatum
First Detection of Tetrodotoxins in the Cotylean Flatworm Prosthiostomum trilineatum Open
Several polyclad flatworm species are known to contain high levels of tetrodotoxin (TTX), but currently TTX-bearing flatworms seem to be restricted to specific Planocera lineages belonging to the suborder Acotylea. During our ongoing study…
View article: CCDC 2003647: Experimental Crystal Structure Determination
CCDC 2003647: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2003646: Experimental Crystal Structure Determination
CCDC 2003646: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Buckling Analysis of a Beam on an Elastic Foundation ConsideringInitial Imperfection
Buckling Analysis of a Beam on an Elastic Foundation ConsideringInitial Imperfection Open
接着・粘着接合部の座屈を表現するために，被着体をはり，接着・粘着層を弾性体とするWinkler モデルを用いた座屈解析を行った。弾性基礎上に置かれたはりに圧縮荷重が負荷されるとはり単体が圧縮されるよりも座屈しにくいことが知られている。しかしながら理想的な圧縮荷重を想定した完全系の座屈解析では，座屈荷重と座屈モードは求まるが圧縮過程での変形などは議論できない。そこで本研究では，初期不整を想定した不完全系での座屈解析を行うことで圧縮過程での被着体の変形や初期不正に伴う座屈モード…
View article: Discovery of Novel Pyrazole-Based Selective Aldosterone Synthase (CYP11B2) Inhibitors: A New Template to Coordinate the Heme-Iron Motif of CYP11B2
Discovery of Novel Pyrazole-Based Selective Aldosterone Synthase (CYP11B2) Inhibitors: A New Template to Coordinate the Heme-Iron Motif of CYP11B2 Open
It is necessary for aldosterone synthase (CYP11B2) inhibitors to have both high potency and high selectivity over 11β-hydroxylase (CYP11B1), a critical enzyme for cortisol synthesis. Previous studies have reported a number of CYP11B2 inhib…
View article: Differential binding of tetrodotoxin and its derivatives to voltage‐sensitive sodium channel subtypes (Na<sub>v</sub>1.1 to Na<sub>v</sub>1.7)
Differential binding of tetrodotoxin and its derivatives to voltage‐sensitive sodium channel subtypes (Na<sub>v</sub>1.1 to Na<sub>v</sub>1.7) Open
Background and Purpose The development of subtype‐selective ligands to inhibit voltage‐sensitive sodium channels (VSSCs) has been attempted with the aim of developing therapeutic compounds. Tetrodotoxin (TTX) is a toxin from pufferfish tha…
View article: Performance Evaluation of a Solar Stirling Power Generation System
Performance Evaluation of a Solar Stirling Power Generation System Open
Aiming at reduction of the energy consumed in domestic use, research and development of an energy system corresponding to ZEH (Zero Energy House) is advanced. The authors are developing a hybrid heat source Stirling engine combined heat an…
View article: Study on 1kW Solar Stirling Engine Power Generation System
Study on 1kW Solar Stirling Engine Power Generation System Open
Aiming at reduction of the energy consumed in domestic and business use, research of an energy system corresponding to ZEB/ZEH (Zero Energy Building/House) is advanced. The authors are developing a hybrid heat source Stirling engine CHP (c…
View article: Study on a 1kW Class Stirling Engine Solar Power Generation System
Study on a 1kW Class Stirling Engine Solar Power Generation System Open
Aiming at reduction of the energy consumed in domestic use, research and development of an energy system corresponding to ZEH (Zero Energy House) is advanced. The authors are developing a hybrid heat source Stirling engine CHP (combined he…