Temporal association between phase coupling of respiratory sinus arrhythmia and slow wave brain activity during sleep, Proceedings of the IUPFSM World Congress on Medical Physics & Biomedical Engineering,2018, 2018.06

Kyuichi Niizeki, Tadashi Saitoh

Multiple Authorship (Only Japanese)

Evaluation of arterial oxygen saturation using RGB camera-based remote photoplethysmography, Proc. SPIE 10501, Optical Diagnostics and Sensing XVIII, 2018.02

Izumi Nishidate, Kazuya Nakano, Daniel McDuff, Kyuichi Niizeki, Yoshihisa Aizu, Hideaki Haneishi

Multiple Authorship (Including Foreigners)

呼吸性不整脈位相カップリングと徐波睡眠の連関, 生体医工学, 56(0) S274, 2018

新関 久一, 鵜川 成美, 齊藤 直

Multiple Authorship (Only Japanese)

Assessing energy expenditure dynamics by the transfer function method using a triaxial accelerometer, Transactions of Japanese Society for Medical and Biological Engineering, 56(0) S357, 2018

NOMIZO KAZUYA, Ukawa Narumi, Saitoh Tadashi, Niizeki Kyuichi

Multiple Authorship (Only Japanese)

Association between phase coupling of respiratory sinus arrhythmia and brain activity during sleep, Proceedings of the 3 rd World Congress on Electrical Engineering and Computer Systems and Science, 2017.06

Kyuichi Niizeki, Narumi Ukawa,Tadashi Saitoh

Multiple Authorship (Including Foreigners)

Interaction between respiratory and muscle pumps on orthostatic cardiovascular responses, Transactions of the Japanese Society for Medical and BiologicalEngineering, 54(5) 218-224, 2017.01

Narumi Ukawa, Tadashi Saitoh, Kyuichi Niizeki

Multiple Authorship (Only Japanese)

Analysis of cardiorespiratory phase coupling and cardiovascular autonomic responses during food ingestion, Physiology & Behavior, 159 1-13, 2016.05

Kyuichi Niizeki Tadashi Saitoh

Multiple Authorship (Including Foreigners)

Noncontact imaging of plethysmographic pulsation and spontaneous low-frequency oscillation in skin perfusion with a digital red-green-blue camera, Proc. SPIE 9707,Dynamics and Fluctuations in Biomedical Photonics XIII, 2016.03

Izumi Nishidate, Akira Hoshi, Yuta Aoki,Kazuya Nakano, Kyuichi Niizeki, Yoshihisa Aizu

Multiple Authorship (Including Foreigners)

Evaluation of peripheral vasodilative indices in skin tissues of type 1 diabetic rats by use of RGB images, Optical Review, 2016.03

Tanaka N, Nishidate I,Nakano K,Aizu Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Oxygen utilization during passive cycling exercise, 7th WACBE World Congress on Bioengineering 2015, 52 210-213, 2015.07

Saitoh T and Niizeki K.

Multiple Authorship (Including Foreigners)

Autonoic and cardiovascular responses to food ingestion and gum chewing in healthy young subjects, Proceedings of the IUPESM World Congress on Medical Physics and Biomedical Engineering in Toronto, 2015, 2015.06

Kyuichi Niizeki, Tadashi Saitoh

Multiple Authorship (Including Foreigners)

Effects of transient cardiolocomotor coupling on gas exchange and muscle deoxygenation during treadmill exercise: a preliminary observation in an elderly subject., Abstracts of the 19th Annual Congress of the European College of Sport Science, 2014.07

Kyuichi Niizeki, Akira Hoshi, Tadashi Saitoh

Multiple Authorship (Including Foreigners)

Validity of combining triaxial accelerometry and heart rate in the assessment of the dynamics of energy expenditure during walking., 生体医工学, 52 440-441, 2014.05

Koshiba Y, Kanno J, Saitoh T, Niizeki K.

Multiple Authorship (Including Foreigners)

Phase coherency of respiratory sinus arrhythmia during food ingestion and gum chewing., 生体医工学, 52 404, 2014.05

Kanno J, Koshiba Y, Saitoh T, Niizeki K.

Multiple Authorship (Including Foreigners)

Cardiolocomotor phase synchronization during rhythmic exercise, The Journal of Physical Fitness and Sports Medicine, 3(1) 11-20, 2014.03

Niizeki K. and Saitoh T.

Multiple Authorship (Including Foreigners)

Effects of citric acid supplementati on on energy metabolism during exercise, Proceedings of Life engineering Symposium 2013, 1(1) 234-236, 2013.09

Nomura R, Niizeki K, Saitoh T, Nakamura T.

Multiple Authorship (Including Foreigners)

Effects of a respiratory rate on phase II pulmonary oxygen uptake kinetics during exercise, Proceedings of Life engineering Symposium 2013, 1(1) 237-238, 2013.09

Kobayashi H, Yanai J, Niizeki K, Saitoh T.

Multiple Authorship (Including Foreigners)

Effect of a controlled respiratory rate on oxygen uptake kinetics during cycling exercise., Proceedings of IUPS 2013, 2013.07

Tadashi Saitoh, Hotaka Kobayashi, Jun Yanai, Ryo Nomura, Hiroshi Tsutui, Hiroaki Takana, Kyuichi Niizeki

Multiple Authorship (Including Foreigners)

Effects of heel raising maneuver on hemodynamic and autonomic responses to the upright posture., Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 51(supplement) R-231, 2013.07

Miki Onodera, Kazutaka Kouhata, Tadashi Saitoh, Kyuichi Niizeki

Multiple Authorship (Including Foreigners)

Analysis of postural control during voluntary sway of the anteroposterior axis in young and elderly humans., Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 51(supplement) R-38, 2013.07

Kazutaka Kouhata, miki onodera, Tadashi Saitoh, Kyuichi Niizeki

Multiple Authorship (Including Foreigners)

Estimation of Melanin and Hemoglobin Using Spectral Reflectance Images Reconstructed from a Digital RGB Image by the Wiener Estimation Method, Sensors, 13(6) 7902-7915, 2013.06

Izumi Nishidate, Takaaki Maeda, Kyuichi Niizeki and Yoshihisa Aizu

Multiple Authorship (Including Foreigners)

In vivo functional imaging of biological tissues based on diffuse reflectance spectroscopy with a digital RGB camera., Imaging and Applied Optics, OSA Technical Digest (online), IM4E.1, 2013.06

Nishidate I, Kawase T, Matsuda R, Niizeki K, Aizu Y.

Multiple Authorship (Including Foreigners)

Noncontact plethysmographic imaging based on diffuse reflectance spectroscopy using a digital RGB camera., Proceedins of the European Conference on Biomedical Optics, 87980D, 2013.05

Izumi Nishidate, Ryohei Matsuda, Noriyuki Tanaka, Takaaki Maeda, Tomonori Yuasa, Tetsuya Yuasa, Kyuichi Niizeki, Yoshihisa Aizu

Multiple Authorship (Including Foreigners)

Visualization of peripheral vasodilative indices in human skin by use of red, green, blue images, Journal of Biomedical Optics, 18(6) 1-9, 2012.11

Izumi Nishidate, Noriyuki Tanaka, Tatsuya Kawase, Takaaki Maeda, Tomonori Yuasa, Yoshihisa Aizu, Tetsuya Yuasa, and Kyuichi Niizeki

Multiple Authorship (Including Foreigners)

Effect of hyperventilation on oxygen uptake kinetics during cycling exercise, Proceeding of 27th Symposium on Biological and Physiological Engineering, 461-462, 2012.09

Kobayashi H, Niizeki K, and Saitoh T.

Multiple Authorship (Including Foreigners)

Effects of cardiolocomotor coupling on gas exchange efficiency and energy metabolism, Proceedings of The 27th Symposium on Biological and Physiological Engineering, 27 281-284, 2012.09

Niizeki K, Kusakabe S, Onodera M, Kouhata K, Saitoh T.

Multiple Authorship (Including Foreigners)

Incoherent oscillations of respiratory sinus arrhythmia during acute mental stress in humans, American Journal of Physiology-Heart and Circulatory Physiology-, 302(1) 359-367, 2012.01

Niizeki K, Saitoh T.

Multiple Authorship (Including Foreigners)

Assessment of mental stress by incoherent oscillations of respiratory sinus arrhythmia, Proceedings of 8th International Conference on Ubiquitous Healthcare 2011, 49-52, 2011.09

Niizeki K, Imano W, Harada N, Saitoh T.

Multiple Authorship (Including Foreigners)

Non-contact measurements of plethysmogram by use of skin RGB images, 30 11-15, 2011.09

Multiple Authorship (Including Foreigners)

Noninvasive spectral imaging of skin chromophores based on multiple regression analysis aided by Monte Carlo simulation, Optics Letters, 36(16) 3239-3241, 2011.09

Nishidate I, Wiswadarma A, Hase Y, Tanaka N, Maeda T, Niizeki K, Aizu Y.

Multiple Authorship (Including Foreigners)

Non-invasive imaging of human skin hemodynamics using a digital RGB camera, Journal of Biomedical Optics, 16 086012, 2011.08

Nishidate I, Tanaka N, Kawase T, Maeda T, Yuasa T, Aizu Y, Yuasa T, Niizeki K.

Multiple Authorship (Including Foreigners)

Rhythmic lower-leg cuff inflation enhances cardiovagal reflex during quiet standing in healthy subjects, Medicine & Science in Sports & Exercise, 43(5) S454, 2011.05

Kyuichi Niizeki, Takanori Tominaga, Kohnosuke Chiku, Megumi Nabuchi, Tadashi Saitoh, Katsuo Uchida

Multiple Authorship (Including Foreigners)

Determination of the trends in the hemoglobin concentrations in inactive muscle during cycling exercise, Medicine & Science in Sports & Exercise, 43(5) S447, 2011.05

Tadashi Saitoh, Yoshifumi Ishida, Yukihiro Matsumoto, Go Okuyama, Kyuichi Niizeki

Multiple Authorship (Including Foreigners)

Effects of lower-leg rhythmic cuff inflation on cardiovascular autonomic responses during quiet standing in healthy subjects, American Journal of Physiology -Heart and Circulatory Physiology-, 30(5) 1923-1929, 2011.05

Niizeki K, Tominaga T, Saitoh T, Nishidate I, Takahashi T, Uchida K.

Multiple Authorship (Including Foreigners)

Heart rate response to oxygen uptake during graded exercises as an index of cardiopulmonary functional reserve in patients on hemodialysis, The journal of rehabilitation sport, 29 2-6, 2010.10

Watanabe S, Tsuyuki K, Takahashi K, Ebine K, Sakamoto T, Matsuo T, Niizeki K, Takahashi T.

Multiple Authorship (Including Foreigners)

Muscle deoxygenation dynamics in active and inactive muscles during heavy and moderate cycling exercise., Journal of Physiological Science, 60(1) 172, 2010.05

Saitoh T, Tomioka T, Muroi H, Niizeki K.

Multiple Authorship (Including Foreigners)

Active muscle oxygenation dynamics measured during high-intensity exercise by using two near-infrared spectroscopy methods, Advance in Experimental Medicine and Biology, 662(2) 225-230, 2010.01

Saitoh T, Ooue A, Kondoh N, Niizeki K, Koga S.

Multiple Authorship (Including Foreigners)

Investigation of arterial inflow and venous capacitance in human skin by use of RGB images, Proceedings of SPIE, 7368 7368F, 2009.12

Nishidate I, Kaneko H, Maeda T, Aizu Y, Yuasa T, Niizeki K.

Multiple Authorship (Including Foreigners)

A transfer function method for the assessment of oxygen uptake dynamics during walking by use of a triaxial accelerometer, IFMBE, 25(VII) 779-781, 2009.09

Niizeki K, Takahashi Y, Saitoh T, Nishidate I, Uchida K.

Multiple Authorship (Including Foreigners)

Effect of phase coupling between cardiorespiratory and locomotor rhythms on pulmonary gas exchange and musccle oxygenation in humans, Journal of Physiological Science, 59(1) 496, 2009.07

Niizeki K, Saitoh T, Uchida K.

Multiple Authorship (Including Foreigners)

Visualization of human skin hemodynamics by use of RGB images, Journal of Physiological Science, 59 504, 2009.07

Nishidate I, Kaneko H, Niizeki K.

Multiple Authorship (Including Foreigners)

Effect of citric acid supplementation on gas exchange dynamics during exercise, Journal of Physiological Science, 59(1) 218, 2009.07

Saitoh T, Taya N, Nakayama S, Suto M, Niizeki K.

Multiple Authorship (Including Foreigners)

Estimation of oxygen uptake dynamics by using a triaxial accelerometer, Medicine & Science in Sports & Exercise, 41 282, 2009.05

Niizeki K, Takahashi Y, Saitoh T.

Multiple Authorship (Including Foreigners)

Dynamics of muscle oxygenation and hemoglobin suply in active and non-active muscles during heavy exercise, Medicine & Science in Sports & Exercise, 41 478, 2009.05

Saitoh T, Koga S, Niizeki K.

Multiple Authorship (Including Foreigners)

Economical estimates of oxygen uptake as a function of gait parameters for an ambulatory monitoring system, Therapeutic Research, 30 219-225, 2009.02

Takahashi T, Yanagida H, Niizeki K, Wang S, Matsuo T, Watanabe S, Okada A, Kuwayama T, Natsui J.

Multiple Authorship (Including Foreigners)

Visualizing of skin chromophere concentrations by use of RGB images. , Optics Letter, 23 2263-2265, 2008.09

Nishidate I, Sasaoka K, Yuasa T, Niizeki K, Maeda T, Aizu Y.

Multiple Authorship (Including Foreigners)

Synchronization phenomena in human body systems, Japanese Journal of Physical Fitness & Sports Medicine, 57(5) 587, 2008.06

Niizeki K.

Single Author

Kinematic and static analyses of the pedaling by means of new slider-crank mechanism, Journal of Biomechanical Science and Engineering, 2 138-148, 2007.12

Yoshizawa Y, Watanabe K, Niizeki K.

Multiple Authorship (Including Foreigners)

Visualizing depth and thickness of a local blood region in skin tissue using diffuse reflectance images., Journal of Biomedical Optics, 12(54006) 1-12, 2007.12

Nishidate I, Maeda Y, Aizu Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Regulatory model for the emergence of cardiorespiratory-locomotor coupling during exercise in humans, Advances in Exercise and Sports Physiology, 13(3) 51, 2007.06

Niizeki K.

Single Author

Near-infrared laser tomographic imaging with right-angled scattered coherent light using an optical heterodyne-detection-based confocal scanning system, Applied Optics, 46 2123-2130, 2007.04

Nishidate I, Goto M, Sasaki Y, Yuasa T, Devaraj B, Niizeki K, Akatsuka T.

Multiple Authorship (Including Foreigners)

Static and experimental analyses of the pedaling by means of the slider-crank mechanism, Machine Design and Tribology Division in JSME, 6 127-130, 2006.11

Yoshizawa Y, Watanabe K, Niizeki K, Nishimura T.

Multiple Authorship (Including Foreigners)

Visualization of depth and thickness of a local blood region in skin tissue using diffuse reflectance images, 6th Japan-Finland Joint Symposium on Optics in Engineering, 59-60, 2005.11

Nishidate I., Maeda T, Aizu Y, Niizeki K, Mishima H.

Multiple Authorship (Including Foreigners)

Unconstrained cardiorespiratory and body movement monitoring system for home care, Medical and Biological Engineering and Computing, 43(6) 716-724, 2005.11

Niizeki K, Nishidate I., Uchida K, Kuwahara M.

Multiple Authorship (Including Foreigners)

Relation between physical fitness and exogenous glucose utilization, Journal of Physiological Science, 55 596, 2005.03

Niizeki K, Manki A, Uchida K.

Multiple Authorship (Including Foreigners)

Heartbeat is coupled with rhythmic increases in intramuscular pressure: Implications for cardiac-locomotor synchronization, FASEB JOURNAL Suppl., 19(4) A715, 2005.03

Niizeki K, Suzuki S, Oshikiri K.

Multiple Authorship (Including Foreigners)

Intramuscular pressure-induced inhibition of cardiac contraction:Implications for cardiac-locomotor synchronization, American Journal of Physilogy-Regulatory, Integrative and Comparative Physiology-, 288(3) R645-R650, 2005.03

Niizeki K.

Single Author

Anaphylactoid response to Optison and its effects on pulmonary function in two dogs, Journal of Veterinary Medical Science, 66 1429-1432, 2004.12

Yamaya Y, Niizeki K, Kim J, Entin P, Wagner H, Wagner PD.

Multiple Authorship (Including Foreigners)

Heart abhors contracting during elevated intramuscular pressure: Implication for cardiac-locomotor synchronization, SICE2004 Annual Conference, TAI13 2109-2112, 2004.08

Niizeki K.

Single Author

An unconstrained cardiorespiratory and body movements monitoring system for home care, World congress of medical physics and biomedical engineering, TH-TR(18) 192, 2003.08

Niizeki K, Manki A, Okutomo D, Oomiya T, Uchida K, Kuwahara M.

Multiple Authorship (Including Foreigners)

β-adrenergic or parasympathetic inhibition, heart rate and cardiac output during normoxic and acute hypoxix exercise in humans, Journal of Physiology, 550(2) 605-616, 2003.07

Hopkins SR, Bogaard HJ, Niizeki K, Yamaya Y, Ziegler GM, Wagner PD.

Multiple Authorship (Including Foreigners)

運動鍛錬者および非鍛錬者における運動中の外因性13Cグルコースの代謝, 第18回生体生理工学シンポジウム論文集, 18 67-70, 2003.01

内田勝雄，大宮恵理，新関久一

Multiple Authorship (Including Foreigners)

Role of the autonomic nervous system in the reduced maximal cardiac output at altitude, Journal of Applied Physiology, 93(1) 271-279, 2002.07

Bogaard HJ, Hopkins SR, Yamaya Y, Niizeki K, Ziegler MG, Wagner PD.

Multiple Authorship (Including Foreigners)

圧電ポリマー素子を用いた呼吸、心拍、体動のオンライン計測, Japanese Journal of Clinical Monitoring, 13(1) 47-53, 2002.07

Nishizaki T, Niizeki K, Takahashi T, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Effects of optison on pulmonary gas exchange and hemodynamics, Ultrasound in Medicine and Biology, 28 985-997, 2002.01

Yamaya Y, Niizeki K, Kim J, Entin PL, Wagner H, Wagner PD.

Multiple Authorship (Including Foreigners)

Validity of pulse oximetry during maximal exercise in hypoxia, normoxia, and hyperoxia, Journal of Applied Physiology, 92(1) 162-168, 2002.01

Yamaya Y, Bogaard HJ, Wagner PD, Niizeki K, Hopkins SR.

Multiple Authorship (Including Foreigners)

Effect of Optison on pulmonary hemodynamics and gas exchange in the dog, FASEB Journal, 15 861, 2001.09

Yamaya Y, Niizeki K, Kim J, Entin PE, Wagner H, Wagner PD.

Multiple Authorship (Including Foreigners)

The role of the autonomic nervous system (ANS) in the reduced maximal cardiac output (QT) after acclimatization at altitude, 12th International Hypoxia Symposium Proceedings, 12 423, 2001.09

Bogaard HJ, Hopkins SR, Niizeki K, Yamaya Y, Wagner PD.

Multiple Authorship (Including Foreigners)

The effect of sympathetic and para-sympathetic blockade on maximal exercise cardiac output in ambient air and acute hypoxia, APS Intersociety meeting: The integrative biology of exercise., 342, 2000.09

Bogaard HJ, Hopkins SR, Niizeki K, Yamaya Y, Wagner PD.

Multiple Authorship (Including Foreigners)

Pulse oximetry by forehead sensor during exercise in normoxia and hypoxia, The Physiologist, 43(4) 360, 2000.08

Hopkins SR, Yamaya Y, Bogaard HJ, Niizeki K, Wagner PD.

Multiple Authorship (Including Foreigners)

The effect of sympathetic and parasympathetic blockade on maximal exercise cardiac output in ambient air and acute hypoxia, Physiologist, 43(4) 342, 2000.04

Yamaya Y, Niizkei K, Wagner PD.

Multiple Authorship (Including Foreigners)

Effect of short-term training on kinetics of cardiorespiratory responses and skeletal muscle oxygenation, Medicine and Science in Sports and Exercise (supplement), 31 S50, 1999.06

Niizeki K, Takahashi T, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Phase-dependent heartbeat modulation by muscle contractions during dynamic handgrip in humans, American Journal of Physiology-Heart and Circulatory Physiology-, 276(4) H1331-H1338, 1999.04

Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

VE-VCO2 relationship in transient responses to step-load exercise from rest to recovery, Advance in Experimental Medicine and Biology, 450 207-212, 1998.10

Takahashi T, Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Asymmetrical pulmonary oxygen uptale transients in response to trapezoidal ramp exercises, Physiological Anthropology, 46 347-358, 1998.01

Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Cardiolocomotor interactions during dynamic handgrip and knee extension exercises: phase locked synchronization and its physiological implications, Advance in Experimental Medicine and Biology, 450 199-206, 1998.01

Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Respiratory responses to passive and active recovery from exercise, Japanese Journal of Physiology, 47(1) 59-65, 1997.02

Takahashi T, Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Ventilatory responses to inhaled CO2：Constant fraction vs. constant inflow administration, Respiration Physiology, 104(2) 91-106, 1996.07

Niizeki K, Tokunaga S, Takahashi T, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Cardiac, respiratory, locomotor coordination during walking in human, Folia Primatologica, 66 226-239, 1996.01

Niizeki K, Kawahara K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

A model analysis of the asymmetrical response of pulmonary VO2 during incremental and decremental ramp exercise, Journal of Applied Physiology, 79(5) 1816-1827, 1995.11

Niizeki K, Takahashi T, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Simultaneous measurement of pulmonary diffusing capacity for CO and cardiac output by a rebreathing method in patients with pulmonary diseases, Internal Medicine , 34(5) 330-338, 1995.05

Takahashi H, Iwabuchi K, Kudo Y, Tomoike H, Niizeki K, Uchida K, Takahashi K.

Multiple Authorship (Including Foreigners)

Influence of postexercise pedaling on cardiorespiratory recovery from intensive cycling exercise in humans, Body temperature and metabolism, 129-132, 1995.04

Takahashi T, Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Ventilatory responses during incremental exercise in men under hyperoxic conditions, Japanese Journal of Physiology, 45(1) 59-68, 1995.04

Miyamoto Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Ventilatory responses during ramp exercise in hyperoxia, Advance in Experimental Medicine and Biology, 393 147-152, 1995.04

Miyamoto Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Effect of baseline changes in work rate on cardiorespiratory dynamics in incremental and decremental ramp exercise, Advance in Experimental Medicine and Biology, 393 159-164, 1995.04

Takahashi T, Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Simulation of asymmetrical O2 uptake kinetics during incremental and decremental ramp exercise, Advance in Experimental Medicine and Biology , 393 165-171, 1995.01

Niizeki K, Takahash T, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Interactions between respiratory, cardiac and stepping rhythms in decerebrate cats: Functional hierarchical structures of biological oscillators, Methods of Information in Medicine, 33(1) 129-132, 1994.03

Kawahara K, Yamauchi Y, Niizeki K, Yoshioka T.

Multiple Authorship (Including Foreigners)

Interaction among cardiac, respiratory, and locomotor rhythms during cardiolocomotor synchronization, Journal of Applied Physiology, 75(4) 1815-1821, 1993.10

Niizeki K, Kawahara K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

Heart beat fluctuation during fictive locomotion in decerebrate cats:locomotor-cardiac coupling of central origin, Neuroscience Letters, 150(2) 200-202, 1993.02

Kawahara K, Yoshioka T, Yamauchi Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Dynamics of ventilation, circulation, and gas exchange to incremental and decremental ramp exercise, Journal of Applied Physiology, 72(6) 2244-2254, 1992.06

Miyamoto Y, Niizeki K.

Multiple Authorship (Including Foreigners)

Behaivior of cardiac output during progressive exercise tests; A preliminary report, The Annals of Physiological Anthropology , 11 225-230, 1992.04

Miyamoto Y, Niizeki K, Abe H.

Single Author

Cardiorespiratory responses to cyclic triangular ramp forcings in work load, Japanese Journal of Physiology, 41 759-773, 1991.01

Niizeki K, Miyamoto Y.

Multiple Authorship (Including Foreigners)

A comparison between cardiac-output determined by impedance cardiography and the rebreathing method during exercise in man., Japanese Journal of Physiology, 39(3) 441-446, 1989.10

Niizeki K, Miyamoto Y, Doi K.

Multiple Authorship (Including Foreigners)

Cardiodynamic factors affecting hyperpnea during steady-state exercise in man, Japanese Journal of Physiology, 39 411-420, 1989.04

Miyamoto Y, Niizeki K, Kawahara K, Doi K.

Multiple Authorship (Including Foreigners)

Effects of CO2-induced acidosis on cardiac functions in the dog, International Journal of Biometeology (suppl), 32(3) 224-225, 1988.10

Shibuya I, Niizeki K, Uchida K, Doi K.

Multiple Authorship (Including Foreigners)

Changes in blood-gases in dog during CO2-induced and lactic acid-induced acidosis, International Journal of Biometeology (suppl), 32(3) 228, 1988.10

Uchida K, Niizeki K, Shibuya I., Doi K.

Multiple Authorship (Including Foreigners)

Gas-exchange of heart myoglobin, International Journal of Biometeology (suppl), 32(3) 227, 1988.10

Shibuya I, Niizeki K, Uchida K, Doi K.

Multiple Authorship (Including Foreigners)

Transient cardiovascula-response to exercise and cold-exposure in man, International Journal of Biometeology (suppl), 32(3) 224, 1988.10

Niizeki K, Uchida K, Doi K.

Multiple Authorship (Including Foreigners)

One sampling rebreathing method to measure diffusing capacity for CO, Japanese Journal of Physiology, 37 109-123, 1987.04

Niizeki K, Doi K.

Multiple Authorship (Including Foreigners)

Evaluation of uneven distribution of VA/Q ratio from data on exchange of respiratory gases, Japanese Journal of Physiology, 36 359-378, 1986.04

Doi K, Niizeki K, Kagawa T, Takahashi K.

Multiple Authorship (Including Foreigners)

Change in O2 uptake during rebreathing in hyperoxia in man, Japanese Journal of Physiology, 36 985-1000, 1986.04

Shibuya I., Niizeki K, Uchida K.

Multiple Authorship (Including Foreigners)

Secondary CO2 diffusion following HCO3- shift across the red cell membrane, Japanese Journal of Physiology, 34(6) 1003-1013, 1984.04

Niizeki K, Mochizuki M, Kagawa T.

Multiple Authorship (Including Foreigners)

A new indirect method for measuring arteriovenous O2 content difference and cardiac output from O2 and CO2 concentrations by rebreathing air, Japanese Journal of Physiology, 34 295-306, 1984.04

Mochizuki M, Tamura M, Shimasaki T, Niizeki K, Shimouchi A.

Multiple Authorship (Including Foreigners)

Change in Pco2 in red cell suspension following bicarbonate shift, Japanese Journal of Physiology, 34 1015-1027, 1984.04

Shimouchi A, Niizeki K, Mochizuki M.

Multiple Authorship (Including Foreigners)

Secondary CO2 diffusion following HCO3- shift across the red blood cell membrane, Advance in Experimental Medicine and Biology, 180(6) 369-379, 1984.02

Mochizuki M, Kagawa T, Niizeki K, Shimouchi A.

Multiple Authorship (Including Foreigners)

Estimation of the rate of CO2 diffusion into the red-cell through the Bohr shift, Advance in Experimental Medicine and Biology , 159 509-518, 1983.12

Mochizuki M, Takiwaki H, Kagawa T, Niizeki K.

Multiple Authorship (Including Foreigners)

Diffusion-coefficients of CO2 molecule and bicarbonate ion in hemoglobin solution measured by fluorescence technique., Japanese Journal of Physiology, 33(4) 619-634, 1983.12

Uchida K, Mochizuki M, Niizeki K.

Multiple Authorship (Including Foreigners)

Rate of CO2 diffusion in the human red blood cell measured with pH-sensitive fluorescence, Japanese Journal of Physiology, 33(4) 635-650, 1983.04

Niizeki K, Mochizuki M, Uchida K.

Multiple Authorship (Including Foreigners)

Relationship between hematocrit and CO2 contents in whole-blood and true plasma, Jpn. J. Physiol. , 33(4) 567-578, 1983.04

Takiwaki H, Mochizuki M, Niizeki K.

Multiple Authorship (Including Foreigners)

Diffusion-coefficients of CO2 molecule and bicarbonate ion in hemoglobin solution measured by fluorescence technique, Japanese Journal of Physiology, 33(4) 619-634, 1983.04

Uchida K, Mochizuki M, Niizeki K.

Multiple Authorship (Including Foreigners)

Relationship between venoarterial CO2 content difference and venoalveolar PCO2 difference in acute hypercapnia in dogs, Japanese Journal of Physiology, 31(3) 345-355, 1981.10

Mochizuki M, Tazawa H, Niizeki K, Tamura M.

Multiple Authorship (Including Foreigners)

The influence of the Haldane effect on alveolar CO2 tension equilibrated with mixed venous-blood in man., Japanese Journal of Physiology, 31(3) 331-344, 1981.10

Mochizuki M, Niizeki K, Tamura M.

Multiple Authorship (Including Foreigners)

Grant-in-Aid for challenging Exploratory Research，2012.04 - 2014.03

Grant-in-Aid for challenging Exploratory Research，2010.04 - 2012.03

Grant-in-Aid for challenging Exploratory Research，2008.04 - 2010.03

Grant-in-Aid for Scientific Research(C)，2006.04 - 2008.03

Grant-in-Aid for Scientific Research(C)，2004.04 - 2006.03

Grant-in-Aid for Scientific Research(C)，2002.04 - 2004.03

Grant-in-Aid for Scientific Research(C)，1999.04 - 2001.03

Grant-in-Aid for Scientific Research(C)，1996.04 - 1998.03

Grant-in-Aid for Scientific Research(C)，1995.04 - 1996.03

The 27th symposium on Biological and Physiological Engineering, Domestic presentation, 2012.09, Oral presentation (invited, special)

58th American College of Sports Medicine Annual meeting, International presentation, 2011.05 - 2011.06, Poster presentation

58th American College of Sports Medicine Annual meeting, International presentation, 2011.05 - 2011.06, Poster presentation

The 87th Annual Meeting of the Physiological Society of Japan, Domestic presentation, 2010.05, Poster presentation

46th American College of Sports Medicine, International presentation, 1999.06, Poster presentation

日本生体医工学会, 2009.11 - 2010.11

計測自動制御学会, 2010.04 - 2010.06

日本生体医工学会, 2011.10 -

日本生体医工学会, Associate Editor, 2013.09 -

日本生体医工学会, 2017.03 - 2017.05