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Masatsugu Niwayama

Observed names: M Niwayama, M. Niwayama, Masatsugu NIWAYAMA, Niwayama Masatsugu
Institution: Shizuoka University
ORCID: 0000-0002-8482-7974
Observed ORCID: 0000-0002-8482-7974
OpenAlex ID: A5035347382
The use of muscle near-infrared spectroscopy in sport, health and medical sciences: recent developments
2011 · Takafumi Hamaoka, Kevin K. McCully, et al. · Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences · 203
Quantitative measurement of muscle hemoglobin oxygenation using near-infrared spectroscopy with correction for the influence of a subcutaneous fat layer
2000 · Masatsugu Niwayama, Ling Lin, et al. · Review of Scientific Instruments · 96
Examiner’s finger-mounted fetal tissue oximetry
2014 · Naohiro Kanayama, Masatsugu Niwayama · Journal of Biomedical Optics · 29
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Skeletal Muscle Deoxygenation Abnormalities in Early Post-Myocardial Infarction
2014 · Shun Takagi, Norio Murase, et al. · Medicine & Science in Sports & Exercise · 27
Optimal filter bandwidth for pulse oximetry
2012 · Norbert Stuban, Masatsugu Niwayama · Review of Scientific Instruments · 27
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A 200-Channel Imaging System of Muscle Oxygenation Using CW Near-Infrared Spectroscopy
2002 · Masatsugu Niwayama, Katsuyuki Yamamoto, et al. · IEICE Transactions on Information and Systems · 27
Influence of a fat layer on muscle oxygenation measurement using near-IR spectroscopy: quantitative analysis based on two-layered phantom experiments and Monte Carlo simulation
2000 · Toshikazu Shiga, Ling Lin, et al. · Frontiers of Medical & Biological Engineering · 27
Accurate NIRS measurement of muscle oxygenation by correcting the influence of a subcutaneous fat layer
1998 · Katsuyuki Yamamoto, Masatsugu Niwayama, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 27
Aerobic training enhances muscle deoxygenation in early post-myocardial infarction
2016 · Shun Takagi, Norio Murase, et al. · European Journal of Applied Physiology · 26
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Which Is the Best Indicator of Muscle Oxygen Extraction During Exercise Using NIRS?: Evidence that HHb Is Not the Candidate
2013 · Ryotaro Kime, Masako Fujioka, et al. · Advances in experimental medicine and biology · 26
Error Factors in Oxygenation Measurement Using Continuous Wave and Spatially Resolved Near-infrared Spectroscopy
2012 · Masatsugu Niwayama, Hiroshi Suzuki, et al. · The Journal of Japanese College of Angiology · 26
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Non-invasive calibration method for pulse oximeters
2008 · Norbert Stubán, Niwayama Masatsugu · Periodica Polytechnica Electrical Engineering · 26
Development of an Implantable Flexible Probe for Simultaneous Near-Infrared Spectroscopy and Electrocorticography
2013 · Toshitaka Yamakawa, Takano Inoue, et al. · IEEE Transactions on Biomedical Engineering · 21
Utility of a Finger-Mounted Tissue Oximeter with Near-Infrared Spectroscopy to Evaluate Limb Ischemia in Patients with Peripheral Arterial Disease
2019 · Tatsuro Yata, Masaki Sano, et al. · Annals of Vascular Diseases · 20
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Craniofacial tissue oxygen saturation is associated with blood pH using an examiner’s finger-mounted tissue oximetry in mice
2016 · Toshiyuki Uchida, Naohiro Kanayama, et al. · Journal of Biomedical Optics · 19
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Phantom with Pulsatile Arteries to Investigate the Influence of Blood Vessel Depth on Pulse Oximeter Signal Strength
2012 · Norbert Stuban, Masatsugu Niwayama, et al. · Sensors · 19
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Unchanged Muscle Deoxygenation Heterogeneity During Bicycle Exercise After 6 Weeks of Endurance Training
2009 · Ryotaro Kime, Masatsugu Niwayama, et al. · Advances in experimental medicine and biology · 19
Voxel-based measurement sensitivity of spatially resolved near-infrared spectroscopy in layered tissues
2018 · Masatsugu Niwayama · Journal of Biomedical Optics · 18
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Examiner’s finger-mounted fetal tissue oximetry: a preliminary report on 30 cases
2015 · Toshiyuki Uchida, Naohiro Kanayama, et al. · Journal of Perinatal Medicine · 18
Optical imaging instrument for muscle oxygenation based on spatially resolved spectroscopy
2008 · Khai Jun Kek, Ryuta Kibe, et al. · Optics Express · 18
Quantitative measurement of muscle oxygenation by NIRS: analysis of the influences of a subcutaneous fat layer and skin
1999 · Masatsugu Niwayama, Ling Lin, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 18
Quantitative muscle oxygenation measurement using NIRS with correction for the influence of a fat layer: comparison of oxygen consumption rates with measurements by other techniques
2000 · Masatsugu Niwayama, Takatumi Hamaoka, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 17
Photon Migration in Tissue
2013 · Masatsugu Niwayama, Yutaka Yamashita · Springer eBooks · 16
Theoretical and experimental studies on linear and nonlinear algorithms for the measurement of muscle oxygenation using continuous-wave near-infared spectroscopy
2001 · Jun Shao, Ling Lin, et al. · Optical Engineering · 16
Tissue oxygen saturation levels from fetus to neonate
2017 · Mari Mukai, Toshiyuki Uchida, et al. · Journal of obstetrics and gynaecology research · 15
Works count: 91
Citation count: 1,019
H-index: 18
I10-index: 32
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