渡邉 宣夫

研究成果

年別の研究成果 2001 2001 2005 2006 2007 2021 2022 2022

• 52 Article
• 3 Conference contribution
• 2 Chapter
• 2 Conference article

年別の研究成果

年別の研究成果

検索結果

• 2022

  A rapid and accurate method for estimating the erythrocyte sedimentation rate using a hematocrit-corrected optical aggregation index

  Higuchi, M. & Watanabe, N., 2022 7月, In: PLoS ONE. 17, 7 July, e0270977.

  研究成果: Article › 査読

  Open Access

  • Blood Sedimentation 100%
  • Hematocrit 89%
  • Fibrinogen 25%
  • Erythrocyte Aggregation 13%
  • Linear Models 7%
  2 被引用数 (Scopus)

• Catheter contact area strongly correlates with lesion area in radiofrequency cardiac ablation: an ex vivo porcine heart study

  Masnok, K. & Watanabe, N., 2022 4月, In: Journal of Interventional Cardiac Electrophysiology. 63, 3, p. 561-572 12 p.

  研究成果: Article › 査読

  Open Access

  • Radiofrequency Ablation 100%
  • Swine 71%
  • Catheters 71%
  • Heart 58%
  • Catheter Ablation 34%
  6 被引用数 (Scopus)

• Direct observation of deformation of individual red blood cells in oscillatory fluid flow produced using a generator of precise sinusoidal shear flow

  Masnok, K., Inoue, M. & Watanabe, N., 2022 9月 1, In: AIP Advances. 12, 9, 095020.

  研究成果: Article › 査読

  Open Access

  • erythrocytes 100%
  • shear flow 89%
  • fluid flow 86%
  • generators 75%
  • elongation 62%
  1 被引用数 (Scopus)

• Discrete responses of erythrocytes, platelets, and von Willebrand factor to shear

  Chan, C. H. H., Simmonds, M. J., Fraser, K. H., Igarashi, K., Ki, K. K., Murashige, T., Joseph, M. T., Fraser, J. F., Tansley, G. D. & Watanabe, N., 2022 1月, In: Journal of Biomechanics. 130, 110898.

  研究成果: Article › 査読

  Open Access

  • Platelets 100%
  • von Willebrand Factor 85%
  • Blood 71%
  • Erythrocytes 61%
  • Blood Platelets 60%
  7 被引用数 (Scopus)

• In vitro comparative study of activated clotting time in fresh human whole blood with various levels of coagulability using two devices

  Watanabe, N., Inoue, M., Honda, M., Masnok, K. & Negishi, T., 2022, In: Journal of Biorheology. 36, 2, p. 39-44 6 p.

  研究成果: Article › 査読

  Open Access

  • Blood 100%
  • Time measurement 67%
  • Heparin 52%
  • Time 38%
  • Coagulation 20%
• 2021

  Effect of thermal energy and ultrasonication on mixing efficiency in passive micromixers

  Mahmud, F., Tamrin, K. F., Mohamaddan, S. & Watanabe, N., 2021 5月, In: Processes. 9, 5, 891.

  研究成果: Article › 査読

  Open Access

  • Thermal energy 100%
  • Reynolds Number 69%
  • Energy 47%
  • Ultrasonics 43%
  • Reynolds number 28%
  6 被引用数 (Scopus)

• Erythrocyte morphological symmetry analysis to detect sublethal trauma in shear flow

  McNamee, A. P., Simmonds, M. J., Inoue, M., Horobin, J. T., Hakozaki, M., Fraser, J. F. & Watanabe, N., 2021 12月, In: Scientific Reports. 11, 1, 23566.

  研究成果: Article › 査読

  Open Access

  • Erythrocytes 100%
  • Wounds and Injuries 61%
  • Artificial Organs 22%
  • Extracellular Vesicles 16%
  • Cytoskeleton 14%
  2 被引用数 (Scopus)

• Preliminary study of the effect of hemolysis on platelet aggregation through microscopic observation under physiological shear flow

  Watanabe, N. & Kawada, N., 2021, In: Journal of Biorheology. 35, 2, p. 62-67 6 p.

  研究成果: Article › 査読

  Open Access

  • Hemoglobin 100%
  • Shear flow 91%
  • Platelets 91%
  • Plasmas 65%
  • Agglomeration 61%

• Relationship of Catheter Contact Angle and Contact Force with Contact Area on the Surface of Heart Muscle Tissue in Cardiac Catheter Ablation

  Masnok, K. & Watanabe, N., 2021 8月, In: Cardiovascular Engineering and Technology. 12, 4, p. 407-417 11 p.

  研究成果: Article › 査読

  Open Access

  • Cardiac Catheters 100%
  • Catheters 86%
  • Ablation 84%
  • Catheter Ablation 79%
  • Contact angle 75%
  9 被引用数 (Scopus)
• 2020

  Shear-dependent platelet aggregation size

  Chan, C. H. H., Inoue, M., Ki, K. K., Murashige, T., Fraser, J. F., Simmonds, M. J., Tansley, G. D. & Watanabe, N., 2020 12月, In: Artificial Organs. 44, 12, p. 1286-1295 10 p.

  研究成果: Article › 査読

  Open Access

  • Platelets 100%
  • Platelet Aggregation 78%
  • von Willebrand Factor 73%
  • Shear 71%
  • Agglomeration 67%
  9 被引用数 (Scopus)
• 2019

  Shear-stress mediated nitric oxide production within red blood cells: A dose-response

  Horobin, J. T., Watanabe, N., Hakozaki, M., Sabapathy, S. & Simmonds, M. J., 2019, In: Clinical Hemorheology and Microcirculation. 71, 2, p. 203-214 12 p.

  研究成果: Article › 査読

  • Nitric Oxide 100%
  • Erythrocytes 96%
  • Fluorescence 30%
  • Molecular Probes 16%
  • Fluorescence Microscopy 12%
  14 被引用数 (Scopus)
• 2018

  Visualization of erythrocyte deformation induced by supraphysiological shear stress

  Watanabe, N., Shimada, T., Hakozaki, M. & Hara, R., 2018 1月 1, In: International Journal of Artificial Organs. 41, 12, p. 838-844 7 p.

  研究成果: Article › 査読

  • Shear Stress 100%
  • Barreling 77%
  • Shear stress 76%
  • Shear flow 72%
  • Membranes 70%
  12 被引用数 (Scopus)
• 2017

  Micro-needle with polygonal structure of micro-channel for stress and blood or drug flow optimization

  Ibrahim, M. D., Yunos, Y. S., Watanabe, N., Mohtadzar, N. A. A., Semait, S. N. H., Rigit, A. R. H., Sunami, Y., Wong, L. K., Rahman, M. R. A. & Mohtar, M. Z., 2017 7月 31, In: Engineering Journal. 21, 4, p. 207-216 10 p.

  研究成果: Article › 査読

  Open Access

  • Needles 100%
  • Blood 88%
  • Drug delivery 36%
  • Skin 11%
  • Geometry 8%
• 2016

  Ratio of surface roughness to flow scale as additional parameter for shear-induced hemolysis

  Watanabe, N., Ueda, S., Nagashima, K., Oguri, T. & Mita, T., 2016 4月, In: International Journal of Artificial Organs. 39, 4, p. 205-210 6 p.

  研究成果: Article › 査読

  • Hemolysis 100%
  • Surface Roughness 95%
  • Surface roughness 79%
  • Flow 61%
  • Shear Stress 32%
  4 被引用数 (Scopus)
• 2015

  Feasibility study of a sinusoidal shear flow generator for using counter-oscillating flow fields in monitoring of individual red blood cells under shear flow conditions

  Watanabe, N., Tsuzuki, T. & Suzuki, Y., 2015, In: Journal of Biorheology. 29, 1, p. 36-41 6 p.

  研究成果: Article › 査読

  • Oscillating flow 100%
  • Shear flow 86%
  • Cells 65%
  • Blood 62%
  • Flow fields 56%
  2 被引用数 (Scopus)
• 2013

  Numerical and experimental evaluation of platelet deposition to collagen coated surface at low shear rates

  Affeld, K., Goubergrits, L., Watanabe, N. & Kertzscher, U., 2013 1月 18, In: Journal of Biomechanics. 46, 2, p. 430-436 7 p.

  研究成果: Article › 査読

  • Collagen 100%
  • Platelets 97%
  • Shear deformation 75%
  • Blood Platelets 59%
  • Blood 29%
  18 被引用数 (Scopus)
• 2011

  Investigation of human platelet adhesion under low shear conditions in a rotational flow chamber

  Watanabe, N., Affeld, K., Schaller, J., Schmitmeier, S., Reininger, A. J., Goubergrits, L. & Kertzscher, U., 2011 12月, In: Journal of Biorheology. 25, 1-2, p. 64-70 7 p.

  研究成果: Article › 査読

  • Rotational flow 100%
  • Platelets 84%
  • Adhesion 60%
  • Shear 60%
  • Flow 42%
  7 被引用数 (Scopus)

• Investigation of human platelet adhesion under low shear conditions in a rotational flow chamber

  N, W., N., W., K., A., J., S., S., S., A.J., R., L., G., U., K. & Watanabe, N., 2011 9月 17, In: Journal of Biorheology. 25, p. 64-70

  研究成果: Article › 査読

  7 被引用数 (Scopus)
• 2010

  Development of a device which allows the Generation of controllable shear stress and simultaneous microscopic observation of platelets in whole blood

  Watanabe, N., Affeld, K., Poethke, J., Schmitmeier, S., Reininger, A. J., Goubergrits, L. & Kertzscher, U., 2010 2月 25, In: The 4th Southeast Asian Technical University Consortium (SEATUC) Symposium, 25th-26th Feb. 2010, Shibaura Campus, Shibaura Insititute of Technology, Tokyo, Japan. p. 139-142

  研究成果: Article › 査読
• 2009

  Development of a device for investigations into the behavior of platelets exposed to shear stress

  N, W., N., W., Klaus, K., Poethke, J., Goubergrits, L., Reininnger, A., Schmitmeier, S., Kertzscher, U. & Watanabe, N., 2009 4月 16, In: 4th symposium on Biomechanics in Vascular Biology and Cardiovascular Disease. Hilton Hotel in Rotterdam, The Netherland.

  研究成果: Article › 査読

• Development of a device for investigations into the behavior of platelets exposed to shear stress.

  N, W., N., W., Klaus, K., Poethke, J., Goubergrits, L., Reininnger, A., Schmitmeier, S., Kertzscher., U. & Watanabe, N., 2009 4月 16, In: 16th-17th. April 2009. 4th symposium on Biomechanics in Vascular Biology and Cardiovascular Disease. Hilton Hotel in Rotterdam, The Netherland.

  研究成果: Article › 査読

• Microscopy of Platelets under Shear

  K, A., K., A., N., W. & Watanabe, N., 2009 9月 5, In: “Heart Support” Working Group Session at 36th Annual Meeting of Europian Artificial Organs 2nd-5th Sept. 2009 Universite de Technologie de Compiegne, France.

  研究成果: Article › 査読
• 2008

  Age dependent Deformability Changes of RBCs evaluated using Cyclically reversing shear flow generator

  Yokoyama, N., Sakota, D., Yasuda, T., Watanabe, N. & Takatani., S., 2008 4月 24, In: Abstract of 16th-17th. April 2009. 4th symposium on Biomechanics in Vascular Biology and Cardiovascular Disease. Hilton Hotel in Rotterdam, The Netherland.

  研究成果: Article › 査読

• Device to subject platelets to shear stress and simultaneously observe their aggregation and deposition

  N, W., N., W., Affeld, K., Poethke, J., Goubergrits, L., Schaefer, M., Kertzscher, U. & Watanabe, N., 2008 4月 24, In: 24th-25th. April 2008. 3rd symposium on Biomechanics in Vascular Biology and Cardiovascular Disease. Hilton Hotel in Rotterdam, The Netherland.

  研究成果: Article › 査読
• 2007

  Alteration in Human Red Blood Cells' Deformability Exposed to Uniform Shear Stress: Evaluation using a Cyclically Reversing Shear Flow.

  N, W., N., W., Y., A., A., S., H., K., K., O., T., F., S, T. & Watanabe, N., 2007 4月 20, In: Physiol. Meas.. 28, p. 531-545

  研究成果: Article › 査読

  11 被引用数 (Scopus)

• Deformability of human red blood cells exposed to a uniform shear stress as measured by a cyclically reversing shear flow generator

  Watanabe, N., Arakawa, Y., Sou, A., Kataoka, H., Ohuchi, K., Fujimoto, T. & Takatani, S., 2007 5月 1, In: Physiological Measurement. 28, 5, 007.

  研究成果: Article › 査読

  • Shear flow 100%
  • Formability 81%
  • Cells 75%
  • Blood 71%
  • Shear stress 71%
  17 被引用数 (Scopus)

• Deformability of red blood cells and its relation to blood trauma in rotary blood pumps

  Watanabe, N., Sakota, D., Ohuchi, K. & Takatani, S., 2007 5月, In: Artificial Organs. 31, 5, p. 352-358 7 p.

  研究成果: Article › 査読

  • Formability 100%
  • Cells 92%
  • Pump 92%
  • Blood 87%
  • Erythrocytes 74%
  39 被引用数 (Scopus)

• Deformability of Red Blood Cells and its Relation to Blood Trauma in Rotary Blood Pumps.

  N, W., N., W., D., S., K., O., Takatani., S. & Watanabe, N., 2007 1月 1, In: Artif. Organs. 31, p. 352-358

  研究成果: Article › 査読

  29 被引用数 (Scopus)

• Mechanical Circulatory Support Systems at Tokyo Medical and Dental University.

  K, O., K., O., H., H., N., W., K., K., Y., Y., J., A., T., S., A., S., M., Y. & Watanabe, N., 2007 1月 1, In: Biocybernetics and Biomedical Engineering. 27, p. 159-165

  研究成果: Article › 査読
• 2006

  Blood Plasma Bearing for Rotary Blood Pumps.

  K, K., K., K., H., H., T., S., J., A., N., W., D., S., H., S., A., N., Y., Y., H., K., K., O., S., T. & Watanabe, N., 2006 8月 31, In: Program and Abstract of 14th Congress of the International Society for Rotary Blood Pumps, Leuven, Belgium, August 31-September 2, 2006.. p. 67

  研究成果: Article › 査読

• Computational fluid dynamics analysis of the pediatric tiny centrifugal blood pump (TinyPump)

  Kido, K., Hoshi, H., Watanabe, N., Kataoka, H., Ohuchi, K., Asama, J., Shinshi, T., Yoshikawa, M. & Takatani, S., 2006 5月, In: Artificial Organs. 30, 5, p. 392-399 8 p.

  研究成果: Article › 査読

  • Pediatrics 100%
  • Hydrodynamics 85%
  • Clearance 79%
  • Impeller 72%
  • Pump 71%
  35 被引用数 (Scopus)

• Computational Fluid Dynamics Analysis of the Pediatric Tiny Centrifugal Blood Pump (TinyPump).

  K, K., K., K., H., H., N., W., H., K., K., O., J., A., T., S., M., Y., S., T. & Watanabe, N., 2006 1月 1, In: Artif Organs (2006). 30, p. 392-399

  研究成果: Article › 査読

  35 被引用数 (Scopus)

• Dynamic Deformation and Recovery Response of A Red Blood Cell to Cyclically Reversing Shear Flow: Effects of Frequency of Cyclically Reversing Shear Flow and Shear Stress Level

  N, W., N., W., H., K., T., Y., S., T. & Watanabe, N., 2006 9月 1, In: Biophys J.. 91, p. 1984-1998

  研究成果: Article › 査読

  44 被引用数 (Scopus)

• Dynamic deformation and recovery response of red blood cells to a cyclically reversing shear flow: Effects of frequency of cyclically reversing shear flow and shear stress level

  Watanabe, N., Kataoka, H., Yasuda, T. & Takatani, S., 2006, In: Biophysical Journal. 91, 5, p. 1984-1998 15 p.

  研究成果: Article › 査読

  • Erythrocytes 100%
  • Glass 40%
  • Cell Shape 25%
  44 被引用数 (Scopus)

• Dynamic Deformation Behavior of Normal Human Red Blood Cells Freely Suspended in a Sinusoidally Oscillating Quasi-Couette Shear Flow: Elastic Stretching and Visco-elastic Recovering Model

  Watanabe, N., Kataoka, H. & Takatani., S., 2006 7月 29, In: Book of the 5th World Congress of Biomechanics, Munich Germany, Ed Liepsch. p. 443-450

  研究成果: Article › 査読

  24 被引用数 (Scopus)

• Tiny Cetrifigal Blood Pump (TINYPUMP) for Pediatric CPB, ECMO and LVAS Applications.

  K, O., K., O., K-I., T., H., H., K., K., N., W., S., K., H., S., Y., Y., M., Y., S., T. & Watanabe, N., 2006 8月 31, In: Program and Abstract of 14th Congress of the International Society for Rotary Blood Pumps, Leuven, Belgium, August 31-September 2,2006.. p. 48

  研究成果: Article › 査読
• 2005

  CFD is a powerful tool to design a safe and reliable rotary blood pump: Quantification of secondary flow and associated hemolysis rate

  N, W., N., W., T., I., H., K., K., O., H., H., T., Y., T., F., S., T. & Watanabe, N., 2005 9月 14, In: Proceeding of the 13th congress of the international society for rotary blood pump (ISRBP). p. 125

  研究成果: Article › 査読

  58 被引用数 (Scopus)

• CFD is a powerful tool to design a safe and reliable rotary blood pump: Quantification of secondary flow and associated hemolysis rate.

  T., I., H., K., K., O., H., H., T., Y., T., F., S., T. & Watanabe, N., 2005 9月 15, In: Default journal.

  研究成果: Article › 査読

• Computational fluid dynamics (CFD) analysis of the pediatric tiny centrifugal blood pump (TinyPump)

  K, K., K., K., H., H., N., W., K., T., H., K., M., N., J., A., T., S., M., Y., S., T. & Watanabe, N., 2005 9月 14, In: Proceeding of the 13th congress of the international society for rotary blood pump (ISRBP). p. 135

  研究成果: Article › 査読

• Effects of shear stress and exposure time on RBC deformability as evaluated using an oscillatory Couette flow method

  N, W., N., W., Y., A., A., S., H., K., T., Y., T., F., S., T. & Watanabe, N., 2005 5月 30, In: Biorheology. 42, p. 153

  研究成果: Article › 査読

• Effects of shear stress and exposure time on RBC deformability as evaluated using an oscillatory Couette flow method.

  Y, A., Y., A., A., S., H., K., T., Y., T., F., S., T. & Watanabe, N., 2005 6月 1, In: Default journal.

  研究成果: Article › 査読

• Quantification of the secondary flow in a radial coupled centrifugal blood pump based on particle tracking velocimetry

  Watanabe, N., Masuda, T., Iida, T., Kataoka, H., Fujimoto, T. & Takatani, S., 2005 1月, In: Artificial Organs. 29, 1, p. 26-35 10 p.

  研究成果: Article › 査読

  • Rheology 100%
  • Secondary flow 95%
  • Impellers 83%
  • Velocity measurement 82%
  • Impeller 82%
  18 被引用数 (Scopus)
• 2004

  'Dynamic deformation capability of a red blood cell under a cyclically reciprocating shear stress'

  T, Y., T., Y., H., K., S., T. & Watanabe, N., 2004 1月 1, In: Default journal.

  研究成果: Article › 査読

  2 被引用数 (Scopus)

• Quantification of the Secondary Flow in a radial coupled centrifugal blood pump.

  T, M., T., M., T., I., K., O., H., K., T., Y., T., F., S., T. & Watanabe, N., 2004 10月 1, In: Default journal.

  研究成果: Article › 査読
• 2003

  Computational Fluid Dynamics (CFD) Analysis of Flow Field Inside a Centrifugal Blood Pump

  N, W., N., W., T., F., H., R., S., T. & Watanabe, N., 2003 3月 1, In: Reports of the Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University. 37, p. 68-74

  研究成果: Article › 査読
• 2002

  CFD analysis of the flow field inside the centrifugal blood pump

  T, M., T., M., M., Y., T, I., Y., K., H., K., H., H., H., K., K., O. & Watanabe, N., 2002 9月 1, In: Default journal.

  研究成果: Article › 査読
• 2001

  Design and evaluation of a single-pivot supported centrifugal blood pump

  Yoshino, M., Uemura, M., Takahashi, K., Watanabe, N., Hoshi, H., Ohuchi, K., Nakamura, M., Fujita, H., Sakamoto, T. & Takatani, S., 2001, In: Artificial Organs. 25, 9, p. 683-687 5 p.

  研究成果: Article › 査読

  • Pump 100%
  • Blood 95%
  • Magnets 85%
  • Heart-Assist Devices 81%
  • Pumps 79%
  10 被引用数 (Scopus)

• Design and Evaluation of a Single-Pivot Supported Centrifugal Blood Pump.

  M, Y., M., Y., M., U., K., T., H., H., K., O., M., N., H., F., T., S. & Watanabe, N., 2001 9月 1, In: Artif Organs..

  研究成果: Article › 査読

  10 被引用数 (Scopus)

• Estimation of left ventricular recovery level based on the motor current waveform analysis on circulatory support with centrifugal blood pump

  Takahashi, K., Uemura, M., Watanabe, N., Ohuchi, K., Nakamura, M., Fukui, Y., Sakamoto, T. & Takatani, S., 2001, In: Artificial Organs. 25, 9, p. 713-718 6 p.

  研究成果: Article › 査読

  • Waveform analysis 100%
  • Ventricular Pressure 72%
  • Pump 64%
  • Blood 61%
  • Pumps 51%
  11 被引用数 (Scopus)

• Estimation of Left Ventricular Recovery Level Based on the Motor Current Waveform Analysis on Circulatory Support with Centrifugal Blood Pump.

  K, T., K., T., M., U., N., W., K., O., M., N., Y., F., T., S., S., T. & Watanabe, N., 2001 9月 1, In: Artificial Organs.

  研究成果: Article › 査読

  5 被引用数 (Scopus)