Hiroaki Okada

ORCID: 0000-0002-3277-7186
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About
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Research Areas
  • Nematode management and characterization studies
  • Particle physics theoretical and experimental studies
  • Innovative Energy Harvesting Technologies
  • High-Energy Particle Collisions Research
  • Quantum Chromodynamics and Particle Interactions
  • Wireless Power Transfer Systems
  • Indigenous Studies and Ecology
  • Energy Harvesting in Wireless Networks
  • Isotope Analysis in Ecology
  • Marine Biology and Ecology Research
  • Parasite Biology and Host Interactions
  • Soil Carbon and Nitrogen Dynamics
  • Archaeology and ancient environmental studies
  • Entomopathogenic Microorganisms in Pest Control
  • Particle Accelerators and Free-Electron Lasers
  • Particle Detector Development and Performance
  • Legume Nitrogen Fixing Symbiosis
  • Archaeology and Natural History
  • Thin-Film Transistor Technologies
  • Advanced Sensor and Energy Harvesting Materials
  • Fatigue and fracture mechanics
  • X-ray Spectroscopy and Fluorescence Analysis
  • Systemic Sclerosis and Related Diseases
  • Nuclear physics research studies
  • Advanced Drug Delivery Systems

Aichi Medical University
2020-2025

Nishijin Hospital
2017-2024

Hokkaido University
2021-2024

Aichi Medical University Hospital
2021-2023

Central Region Agricultural Research Center
2016-2021

Institute for Sustainable Plant Protection
2021

Mitsuba (Japan)
2007-2017

Tokyo University of Pharmacy and Life Sciences
2005-2016

National Institute for Agro-Environmental Sciences
2004-2016

Yamagata University
2013-2016

Abstract As the most abundant animals on earth, nematodes are a dominant component of soil community. They play critical roles in regulating biogeochemical cycles and vegetation dynamics within across landscapes an indicator biological activity. Here, we present comprehensive global dataset nematode abundance functional group composition. This includes 6,825 georeferenced samples from all continents biomes. For geospatial mapping purposes these aggregated into 1,933 unique 1-km pixels, each...

10.1038/s41597-020-0437-3 article EN cc-by Scientific Data 2020-03-26

The H-dibaryon resonance was sought by a ΛΛ invariant mass spectrum that obtained the C12 (K−,K+ΛΛX) reactions. We observed bump near threshold, as reported previous experiment (KEK E224), with better statistics. Data were compared results of cascade model calculation including final state interactions consistent newly measured binding energy ΛΛ6He. No significant enhancements above levels predictions observed. resulting upper limit for production cross section H range between and ΞN...

10.1103/physrevc.75.022201 article EN Physical Review C 2007-02-07

We simultaneously examined the bacteria, fungi and nematode communities in Andosols from four agro-geographical sites Japan using polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) statistical analyses to test effects of environmental factors including soil properties on these depending geographical sites. Statistical such as Principal component analysis (PCA) Redundancy (RDA) revealed that compositions three biota were strongly affected by sites, which turn...

10.1264/jsme2.me11281 article EN Microbes and Environments 2012-01-01

Abstract Background The relationship between interstitial lung abnormalities (ILAs) and the outcomes of cancer radiotherapy is unclear. This study investigated whether specific ILA subtypes are risk factors for radiation pneumonitis (RP). Patients methods retrospective analysed patients with non-small cell treated radical-intent or salvage radiotherapy. were categorised into normal (no abnormalities), ILA, disease (ILD) groups. group was further subclassified non-subpleural (NS), subpleural...

10.2478/raon-2023-0018 article EN cc-by-nc-nd Radiology and Oncology 2023-04-20

Abstract Population growth rates on fungal colonies and morphological characteristics were investigated in a member of the genus Filenchus (Tylenchidae) collected from decomposing rice straw Fukushima-city, northern Japan. The nematode was identified as F. misellus basis great similarity measurements to known populations species. measured 40 days after inoculating nematodes seven species cultured Petri dishes at 25oC. Growth high Chaetomium globosum Coprinus cinereus, intermediate Pleurotus...

10.1163/156854102760402586 article EN Nematology 2002-01-01

We report the case of a 48-year-old woman presenting with an elevated serum creatine kinase level (hyperCKemia) associated initial attack neuromyelitis optica (NMO). The patient initially showed general fatigue fever. Laboratory findings hyperCKemia and subsequently she developed slight weakness both lower limbs reduced vision. Autoantibodies against aquaporin 4 were found in her serum, retrospective examination viral titers indicated possible coxsackie virus group A10 infection. present...

10.2169/internalmedicine.52.1042 article EN other-oa Internal Medicine 2013-01-01

Vibration energy harvesting is widely recognized as the useful technology for saving energy.The piezoelectric device one of harvester and used to operate certain types MEMS devices.Various factors influence regeneration efficiency lead zirconate titanate (PZT) devices in converting mechanical vibration electrical energy.This paper presents analytical experimental evaluation PZT through impedance matching method drop-weight experiments different shape devices.The results show that has...

10.4236/jpee.2014.29017 article EN Journal of Power and Energy Engineering 2014-01-01

10.1023/a:1017957929476 article EN Plant and Soil 2001-01-01

Abstract Filenchus fungivorus n. sp., isolated from autumn bellflower (Gentiana scrabra Bunge) in Japan and maintained on a fungus culture, is described based LM, SEM molecular data. The new species characterised by combination of the following features: two lateral lines, short body (284-331 μm), stylet (7.0-8.7 amphid aperture associated with characteristic depression, ovary, undifferentiated spermatheca, post-vulval sac shorter than corresponding diam. (59-80 μm) non-filiform, almost...

10.1163/138855409x12470437876116 article EN Nematology 2010-01-01
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