Yuji Suzuki
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View article: Development of an Optical–Radar Fusion Method for Riparian Vegetation Monitoring and Its Application to Representative Rivers in Japan
Development of an Optical–Radar Fusion Method for Riparian Vegetation Monitoring and Its Application to Representative Rivers in Japan Open
Riparian vegetation plays a critical role in maintaining ecosystem function, ensuring drainage capacity, and enhancing disaster prevention and mitigation. However, existing ground-based survey methods are limited in both spatial coverage a…
View article: Latent Variable Modeling for Robust Causal Effect Estimation
Latent Variable Modeling for Robust Causal Effect Estimation Open
Latent variable models provide a powerful framework for incorporating and inferring unobserved factors in observational data. In causal inference, they help account for hidden factors influencing treatment or outcome, thereby addressing ch…
View article: Selective Excitation of Superconducting Qubits with a Shared Control Line through Pulse Shaping
Selective Excitation of Superconducting Qubits with a Shared Control Line through Pulse Shaping Open
In conventional architectures of superconducting quantum computers, each qubit is connected to its own control line, leading to a commensurate increase in the number of microwave lines as the system scales. Frequency-multiplexed qubit cont…
View article: Effect of water vapor on nitriding of stainless steel walls induced by ammonia flames
Effect of water vapor on nitriding of stainless steel walls induced by ammonia flames Open
View article: Efficient evaluation of Arrhenius rates for quantum computing applications in reactive flow problems using Carleman linearization
Efficient evaluation of Arrhenius rates for quantum computing applications in reactive flow problems using Carleman linearization Open
View article: Evaluation of River-Water Flowability Using Synthetic Aperture Radar Data and Multispectral Data: A Case Study on the Kuji River in Ibaraki Prefecture, Japan
Evaluation of River-Water Flowability Using Synthetic Aperture Radar Data and Multispectral Data: A Case Study on the Kuji River in Ibaraki Prefecture, Japan Open
View article: Changes in functional connectivity among vestibulo-visuo-somatosensory and spatial cognitive cortical areas in persistent postural-perceptual dizziness: resting-state fMRI studies before and after visual stimulation
Changes in functional connectivity among vestibulo-visuo-somatosensory and spatial cognitive cortical areas in persistent postural-perceptual dizziness: resting-state fMRI studies before and after visual stimulation Open
Introduction Persistent postural-perceptual dizziness (PPPD) is a functional chronic vestibular syndrome with symptom exacerbation by upright posture, motion, and complex visual stimuli. Among these exacerbating factors, visual exacerbatio…
View article: Nitriding Effects of Ammonia Flames on Iron-based Metal Walls
Nitriding Effects of Ammonia Flames on Iron-based Metal Walls Open
Effects of NH3/O2/N2 premixed flame/mixture on iron-based metal walls have been investigated experimentally. A premixed NH3/O2/N2 flame or mixture formed by a quartz tube burner impinged on the disc-shaped metal test plate, of which the te…
View article: Removal of calciprotein particles from the blood using an adsorption column improves prognosis of hemodialysis miniature pigs
Removal of calciprotein particles from the blood using an adsorption column improves prognosis of hemodialysis miniature pigs Open
Hyperphosphatemia is a major risk for poor prognosis in patients with end-stage renal disease 1 . However, the molecular mechanism behind this link remains elusive. We and others have demonstrated that serum phosphorus levels correlate pos…
View article: Ignition and Extinction Characteristics of N-Alkane Cool Flames on a Heated Wall with Different Surface Reactivity
Ignition and Extinction Characteristics of N-Alkane Cool Flames on a Heated Wall with Different Surface Reactivity Open
View article: Development of a System to Support the Analysis of Post-Calibration-Type Mass Spectrometric Target Screening Test Results and the Elucidation of Spilled Chemicals in a Simulated River Water Sample
Development of a System to Support the Analysis of Post-Calibration-Type Mass Spectrometric Target Screening Test Results and the Elucidation of Spilled Chemicals in a Simulated River Water Sample Open
ポストキャリブレーション型の網羅分析結果の解析 (物質推定) を支援するWEBシステム (化学物質探索システム) を構築した。構築したシステムは, 36,436物質の名称, 法規制状況などを収録したデータベースと, NIST/EPA/NIH Mass Spectral Library (NIST2020) を用いて調査した7,086物質のマススペクトルと3,377物質の保持指標値を収録したデータベースを備えている。調査の結果, NIST2020に収録されている情報は, 生態…
View article: The relationship between frailty and motor function among living in the community elderly females
The relationship between frailty and motor function among living in the community elderly females Open
[Purpose] This study aimed to investigate the prevalence of frailty among community-dwelling elderly females, and to examine its relation to motor function and the main risk factors of frailty. [Participants and Methods] The participants w…
View article: Gaze instability after exposure to moving visual stimuli in patients with persistent postural-perceptual dizziness
Gaze instability after exposure to moving visual stimuli in patients with persistent postural-perceptual dizziness Open
Introduction Persistent postural-perceptual dizziness (PPPD) is a chronic vestibular syndrome lasting more than 3 months. The core vestibular symptoms are dizziness, unsteadiness, and non-spinning vertigo, which are exacerbated by upright …
View article: SIMPLE AND RAPID TARGET SCREENING OF CONTAMINANTS OF EMERGING CONCERN BY LC-QTOF/MS AND THE CHEMICAL PROFILING ANALYSES IN THE KISO THREE RIVERS BASIN
SIMPLE AND RAPID TARGET SCREENING OF CONTAMINANTS OF EMERGING CONCERN BY LC-QTOF/MS AND THE CHEMICAL PROFILING ANALYSES IN THE KISO THREE RIVERS BASIN Open
LC-QTOF/MSによる水環境中の新興汚染物質群(CECs)の簡易かつ迅速なターゲットスクリーニング(TS)解析の実現を目的として,TSデータベース(TS-DB)におけるフラグメントイオンの精密m/z値の登録内容と予測保持時間の設定,解析条件における質量誤差範囲と保持時間許容範囲の設定の各条件を検討し,整理した.次に,CECs102種を収録したTS-DBと見出したTS手順を木曽三川流域の河川水15試料に適用した結果,CECs30種を検出した.CECsの含有プロファイル解析…
View article: Freshwater alga Raphidocelis subcapitata undergoes metabolomic changes in response to electrostatic adhesion by micrometer-sized nylon 6 particles
Freshwater alga Raphidocelis subcapitata undergoes metabolomic changes in response to electrostatic adhesion by micrometer-sized nylon 6 particles Open
View article: Taste in Motion: The Effect of Projection Mapping of a Boiling Effect on Food Expectation, Food Perception, and Purchasing Behavior
Taste in Motion: The Effect of Projection Mapping of a Boiling Effect on Food Expectation, Food Perception, and Purchasing Behavior Open
The appearance of food affects its taste. Many studies have examined how to improve the taste of foods by manipulating their appearance. Most of those studies have focused on static appearances, such as color and texture; however, the impa…
View article: Freshwater alga Raphidocelis subcapitata undergoes metabolomic changes in response to electrostatic adhesion by micrometer-sized nylon 6 particles
Freshwater alga Raphidocelis subcapitata undergoes metabolomic changes in response to electrostatic adhesion by micrometer-sized nylon 6 particles Open
Nylon powders are a type of microplastic (MP) used in personal care products such as cosmetics and sunscreens. To determine the effects of nylon on freshwater microalgae, we investigated the effects of two types of micrometer-sized nylons,…
View article: Development of a cavity with photonic crystal structure for axion searches
Development of a cavity with photonic crystal structure for axion searches Open
Two cavities of different sizes with a photonic crystal structure have been developed for axion searches. In the cavities, the dispersion relation in the photonic crystal is utilized, and so they are called “DRiPC cavities”. The size of th…
View article: Development of Combustor/Heat Exchanger-Integrated Thermoelectric Power Generation System for Autonomous Robots
Development of Combustor/Heat Exchanger-Integrated Thermoelectric Power Generation System for Autonomous Robots Open
分しか飛行させることができない．さらに， 気温が低
View article: Output Power Enhancement of Rotational Polymer-Electret Generator
Output Power Enhancement of Rotational Polymer-Electret Generator Open
View article: Electret-enhanced Pyroelectric Energy Harvesting Utilizing Single Crystal PMN-PT
Electret-enhanced Pyroelectric Energy Harvesting Utilizing Single Crystal PMN-PT Open
This study presents our recent progress on electret-enhanced pyroelectric energy harvesting by utilizing single crystal Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-PT). With the help of quasi-permanent charge of electret and thermal response of ferroele…
View article: Temperature Distribution Measurement of Micro Thermoelectric Generation Module Directly Heated by Catalytic Combustion
Temperature Distribution Measurement of Micro Thermoelectric Generation Module Directly Heated by Catalytic Combustion Open
View article: Measurement of Molecule Alignment in Liquid-Crystal-Enhanced Electret Vibration Energy Harvester
Measurement of Molecule Alignment in Liquid-Crystal-Enhanced Electret Vibration Energy Harvester Open
In this paper, quantitative measurements of liquid crystal (LC) alignment inside an operating electret-based vibration energy harvester is reported for the first time. Instantaneous LC alignment inside operating vibration energy harvester …
View article: Phosphorus toxicity disrupts Rubisco activation and reactive oxygen species defence systems by phytic acid accumulation in leaves
Phosphorus toxicity disrupts Rubisco activation and reactive oxygen species defence systems by phytic acid accumulation in leaves Open
View article: Large-scale self-report crowdsourcing sampling for sonic seasoning studies conducted in Asia (RAW DATA)
Large-scale self-report crowdsourcing sampling for sonic seasoning studies conducted in Asia (RAW DATA) Open
Sonic seasoning refers to music produced, or chosen, in order to trigger specific perceptual and/or emotional effects in food/beverage experiences. This concept derives from the framework of crossmodal correspondences, which point out towa…
View article: Anterior Segment Biometry During Accommodation and Effects of Cycloplegics by Swept-Source Optical Coherence Tomography
Anterior Segment Biometry During Accommodation and Effects of Cycloplegics by Swept-Source Optical Coherence Tomography Open
Tadahiro Mitsukawa, Yumi Suzuki, Yosuke Momota, Shun Suzuki, Masakazu Yamada Department of Ophthalmology, Kyorin University School of Medicine, Mitaka, Tokyo 181-8611, JapanCorrespondence: Masakazu Yamada Email [email protected]…
View article: Phosphorus toxicity disrupts Rubisco activation and reactive oxygen species defense systems by phytic acid accumulation in leaves
Phosphorus toxicity disrupts Rubisco activation and reactive oxygen species defense systems by phytic acid accumulation in leaves Open
Phosphorus (P) is one of the essential mineral nutrients for plants. Nevertheless, large amounts of accumulated P easily wither whole plants, and this phenomenon is termed as P toxicity. For improving P-use efficiency, to overcome P toxici…
View article: SURVEY ON VARIATION OF METAL CONCENTRAIONS AND SPECIATION IN RAINY RIVER AND APPLICATION OF DGT-PASSIVE-SAMPLING FOR ESTIMATING THE OCCURRENCE OF THE LABILE FRACTION IN RAINY RIVER
SURVEY ON VARIATION OF METAL CONCENTRAIONS AND SPECIATION IN RAINY RIVER AND APPLICATION OF DGT-PASSIVE-SAMPLING FOR ESTIMATING THE OCCURRENCE OF THE LABILE FRACTION IN RAINY RIVER Open
本研究では雨天時河川における金属の全量態とlabile態濃度及び存在比率の変動の検討を目的として，霞ヶ浦流入河川である恋瀬川を対象に調査した．また，人力によるスポット採水（グラブ法）によらないDGT―パッシブサンプリング法に着目し，labile態金属の平均濃度把握を目的として，雨天時河川への適用性について検討した．調査の結果，7種の金属（Al，Fe，Mn，Cu，Li，Ti，V）の全量態濃度はSS濃度の増加に伴い上昇する傾向が見られた．一方で，SS濃度とlabile態濃度の変…
View article: Solid-state Analysis Based on Polarizable Continuum Model for Amorphous Fluorinated Polymer Electret
Solid-state Analysis Based on Polarizable Continuum Model for Amorphous Fluorinated Polymer Electret Open
The charge trapping depth of negatively-charged CYTOP polymer electret is evaluated by density function theory, with polarizable continuum model incorporated. The computed solid-state electron affinity is in accordance with the experiment …
View article: An optimized ultra-soft piezoelectret for push-button energy harvesting
An optimized ultra-soft piezoelectret for push-button energy harvesting Open
Piezoelectret is a group of perforated space-charged polymer structures, and recently attract much attention due to their softness and high piezoelectric coefficients. Prototypes for tactile sensing and vibrational/kinetic energy harvestin…