Satoshi Kawakami
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View article: Clinical Potential of Arterial Stiffness Measured from the Aortic Valve to the Brachial Artery in a Seated Position
Clinical Potential of Arterial Stiffness Measured from the Aortic Valve to the Brachial Artery in a Seated Position Open
Background The cardio-ankle vascular index (CAVI) is a widely used noninvasive marker of arterial stiffness that is independent of blood pressure at the time of measurement. However, its requirement for supine positioning limits practicali…
View article: Investigating the influence of cosmic rays on atmospheric electric fields and tropical temperature anomalies using GRAPES-3
Investigating the influence of cosmic rays on atmospheric electric fields and tropical temperature anomalies using GRAPES-3 Open
View article: Searches for Gamma Ray sources with GRAPES-3
Searches for Gamma Ray sources with GRAPES-3 Open
View article: Antiaromatic Nanographenes by BODIPY-Fusion Strategy
Antiaromatic Nanographenes by BODIPY-Fusion Strategy Open
The synthesis of antiaromatic molecules with intense near-infrared (NIR) absorption is challenging because of their inherently forbidden HOMO–LUMO transitions. In this research, we have synthesized anthracene-fused and anthanthrene-fused b…
View article: Evaluating Malignant Potential of Gastric Adenomas: The Role of Endoscopic Features and Genetic Alterations
Evaluating Malignant Potential of Gastric Adenomas: The Role of Endoscopic Features and Genetic Alterations Open
Background and Aim There is no “gold standard” treatment for gastric adenomas due to uncertainty about their malignant potential. We wanted to understand better the factors contributing to their transformation into malignant tumors by anal…
View article: Retaking assessment system based on the inspiratory state of chest X-ray image
Retaking assessment system based on the inspiratory state of chest X-ray image Open
When taking chest X-rays, the patient is encouraged to take maximum inspiration and the radiological technologist takes the images at the appropriate time. If the image is not taken at maximum inspiration, retaking of the image is required…
View article: Pulmonary metastases from malignant melanoma showing ground-glass opacity nodules
Pulmonary metastases from malignant melanoma showing ground-glass opacity nodules Open
View article: Evolution of two-neutrons configuration from 11Li to 13Li
Evolution of two-neutrons configuration from 11Li to 13Li Open
In this work we investigate the two-neutron decay of 13Li and of the excited states of 11Li populated via one-proton removal from 14Be and 12Be, respectively. A phenomenological model is used to describe the decay of 11Li and 13Li. While t…
View article: Successful guidewire navigation technique in the bile duct using a 3F microcatheter and balloon wedge
Successful guidewire navigation technique in the bile duct using a 3F microcatheter and balloon wedge Open
View article: Photonic Compute-in-Wire: Remotely Driven Photonic Deep Neural Network with a Single Nonlinear Loop
Photonic Compute-in-Wire: Remotely Driven Photonic Deep Neural Network with a Single Nonlinear Loop Open
The development of deep learning has motivated the advancement of unconventional computing that leverages analog physical systems such as analog electronics, spintronics, and photonics. These technologies have also led to the development o…
View article: PrometheusFree: Concurrent Detection of Laser Fault Injection Attacks in Optical Neural Networks
PrometheusFree: Concurrent Detection of Laser Fault Injection Attacks in Optical Neural Networks Open
Silicon Photonics-based AI Accelerators (SPAAs) have been considered as promising AI accelerators achieving high energy efficiency and low latency. While many researchers focus on improving SPAAs' energy efficiency and latency, their physi…
View article: New Surgical Criteria for Intraductal Papillary Mucinous Neoplasm Based on the Age-Adjusted Charlson Comorbidity Index Values and Presence of Solid Component
New Surgical Criteria for Intraductal Papillary Mucinous Neoplasm Based on the Age-Adjusted Charlson Comorbidity Index Values and Presence of Solid Component Open
Objectives: The present study aimed to validate the new international guidelines for IPMN and determine the surgical criteria for patients with IPMN exhibiting high-risk stigmata (HRS). Methods: We enrolled 115 IPMN patients exhibiting HRS…
View article: Open-Source Silicon—Unleashing Innovation and Collaboration
Open-Source Silicon—Unleashing Innovation and Collaboration Open
View article: Evolution of the two-neutron configuration from 11Li to 13Li
Evolution of the two-neutron configuration from 11Li to 13Li Open
View article: Examination of Changes in Various Biomarkers by Intake of Enterococcus Faecalis Kawai
Examination of Changes in Various Biomarkers by Intake of Enterococcus Faecalis Kawai Open
Starting in 2022, the WHO disease classification system ICD-11 (International Classification of Diseases, 11th Revision) will have a code called “aging-related.” [1] In other words, while aging is irreversible, aging is reversible and is a…
View article: Design and Implementation of Opto-Electrical Hybrid Floating-Point Multipliers
Design and Implementation of Opto-Electrical Hybrid Floating-Point Multipliers Open
The performance improvement by CMOS circuit technology is reaching its limits. Many researchers have been studying computing technologies that use emerging devices to challenge such critical issues. Nanophotonic technology is a promising c…
View article: A Simple Clinical Scoring System to Determine the Risk of Pancreatic Cancer in the General Population
A Simple Clinical Scoring System to Determine the Risk of Pancreatic Cancer in the General Population Open
This study aimed to develop and validate a simple scoring system to determine the high-risk group for pancreatic cancer (PC) in the asymptomatic general population. The scoring system was developed using data from PC cases and randomly sel…
View article: Mass, Spectroscopy, and Two-Neutron Decay of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Be</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>16</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>
Mass, Spectroscopy, and Two-Neutron Decay of Open
The structure and decay of the most neutron-rich beryllium isotope, ^{16}Be, has been investigated following proton knockout from a high-energy ^{17}B beam. Two relatively narrow resonances were observed for the first time, with energies o…
View article: A Novel Method of Calculating the Drained Liver Volume Using a 3D Volume Analyzer for Biliary Drainage of Unresectable Malignant Hilar Biliary Obstruction
A Novel Method of Calculating the Drained Liver Volume Using a 3D Volume Analyzer for Biliary Drainage of Unresectable Malignant Hilar Biliary Obstruction Open
Three-dimensional volumetry, a novel method to calculate DLV accurately according to bile duct distribution was useful for drainage in UMHBO patients.
View article: Mass, spectroscopy and two-neutron decay of $^{16}$Be
Mass, spectroscopy and two-neutron decay of $^{16}$Be Open
The structure and decay of the most neutron-rich beryllium isotope, $^{16}$Be, has been investigated following proton knockout from a high-energy $^{17}$B beam. Two relatively narrow resonances were observed for the first time, with energi…
View article: Research on optical computing system architecture for simple recurrent neural networks
Research on optical computing system architecture for simple recurrent neural networks Open
Moore’s Law, relating to the speed and capabilities of computers is becoming less applicable. In this ‘post-Moore’ era, a cross-disciplinary team based in the Constructive Electronics Laboratory, Kyushu University, Japan, is investigating …
View article: Serial assessment of computed tomography angiography for pulmonary and systemic arteries using a reduced contrast agent dose for the diagnosis of systemic artery-to-pulmonary artery shunts
Serial assessment of computed tomography angiography for pulmonary and systemic arteries using a reduced contrast agent dose for the diagnosis of systemic artery-to-pulmonary artery shunts Open
Purpose To evaluate the diagnostic performance and feasibility of a modified computed tomography (CT) scan protocol, we performed a serial assessment of the computed tomography angiography for pulmonary artery (CTA-P) and systemic artery (…
View article: Small-scale cosmic ray anisotropy observed by the GRAPES-3 experiment at TeV energies
Small-scale cosmic ray anisotropy observed by the GRAPES-3 experiment at TeV energies Open
GRAPES-3 is a mid-altitude (2200 m) and near equatorial ($11.4^{\circ}$ North) air shower array, overlapping in its field of view for cosmic ray observations with experiments that are located in Northern and Southern hemispheres. We analyz…
View article: Antiplatelet drugs may increase the risk for checkpoint inhibitor-related pneumonitis in advanced cancer patients
Antiplatelet drugs may increase the risk for checkpoint inhibitor-related pneumonitis in advanced cancer patients Open
View article: Update on respiratory lesions in patients with IgG4-related autoimmune pancreatitis
Update on respiratory lesions in patients with IgG4-related autoimmune pancreatitis Open
We previously reported respiratory involvement in 25 patients with autoimmune pancreatitis, a pancreatic manifestation of IgG4-related disease that responds well to glucocorticoid treatment. However, whether all respiratory lesions in pati…
View article: Predictors of the therapeutic effect of Nab-paclitaxel plus gemcitabine therapy for patients with recurrent pancreatic cancer after pancreatectomy
Predictors of the therapeutic effect of Nab-paclitaxel plus gemcitabine therapy for patients with recurrent pancreatic cancer after pancreatectomy Open
Background/Aim Nab -paclitaxel plus gemcitabine (GnP) is one of the standard chemotherapeutic schemes of treatment of advanced pancreatic cancer (PC). The current study has the aim to outline the predictors of therapeutic effect of GnP in …
View article: The Antiarrhythmic Action of the Na<sup>+</sup>/Ca<sup>2+</sup> Exchanger Inhibitor SEA0400 on Drug-Induced Long QT Syndrome Depends on the Severity of Proarrhythmic Conditions in Anesthetized Atrioventricular Block Rabbits
The Antiarrhythmic Action of the Na<sup>+</sup>/Ca<sup>2+</sup> Exchanger Inhibitor SEA0400 on Drug-Induced Long QT Syndrome Depends on the Severity of Proarrhythmic Conditions in Anesthetized Atrioventricular Block Rabbits Open
To clarify the pharmacological properties of the Na+/Ca2+ exchanger (NCX) inhibitor SEA0400 as an antiarrhythmic agent, we assessed its effects on rapid component of delayed rectifier K+ current (IKr
View article: A simulation study of the GRAPES-3 sensitivity to primary cosmic ray composition with the expanded muon telescope
A simulation study of the GRAPES-3 sensitivity to primary cosmic ray composition with the expanded muon telescope Open
The GRAPES-3 extensive air shower consisting of a dense scintillator array and a 560 m square area tracking muon detector is designed to study the cosmic ray energy spectrum and composition over the knee region. Another muon telescope simi…
View article: A study of the angular resolution of GRAPES-3 EAS array
A study of the angular resolution of GRAPES-3 EAS array Open
\\abstract{The sensitivity with which the $\\rm \\gamma$ ray sources can be studied is inversely proportional to the angular resolution of an extensive air shower (EAS) array. Therefore it is important to determine the EAS arrival directio…
View article: Observation of the atmospheric wave created by Hunga Tonga-Hunga Ha’apai volcano eruption using GRAPES-3 detectors
Observation of the atmospheric wave created by Hunga Tonga-Hunga Ha’apai volcano eruption using GRAPES-3 detectors Open
The Hunga Tonga-Hunga Ha‘apai volcano eruption on 15 January 2022 is the largest volcanic eruption after Krakatoa in 1883. This eruption triggered catastrophic events such as tsunami \nwaves, atmospheric shock waves, and sonic booms. The e…