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    国際学会発表

    2023
      1. S. Yadav, K. Fujimoto, T. Takenaga, S. Takahashi, Y. Muramoto, R. Mikawa, T. Noda, S. Gotoh, R. Yokokawa.
        “SARS-COV-2 Elicits a Differential Innate Immune Response in hiPSC-derived Airway-on-chip and Alveoli-on-chip Models.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), 4A1, Katowice, Poland, 2023, 2023/10/15-19 (Oral).
      2. D. Koh, A. Tabuchi, K. Yabuuchi, Y. Sahara, M. Takasato, K. Fujimoto, R. Yokokawa.
        “Adriamycin-induced Glomerulopathy Model Using hiPSC-derived Podocytes.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), 4A1, Katowice, Poland, 2023, 2023/10/15-19 (Oral).
      3. A. Kitada, H. Zhou, K. Fujimoto, M. Tanaka, M. Baba, T. Nakamura, R. Yokokawa.
        “On-chip Model of Tumor Angiogenesis in Translocation Renal Cell Carcinoma Incorporating Pericytes and Endothelial Cells.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), M035.a, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      4. A. Haginiwa, S. Chuaychob, S. Matsumoto, M. Tanaka, K. Fujimoto, T. Nakamura, R. Yokokawa.
        “Evaluation and Comparison of Angiogenic Sprouts According to the Origins of Endothelial Cells in an On-chip Alveolar Soft Part Sarcoma (ASPS) Angiogenesis Model.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), W031.a, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      5. H. Zhou, I. Taiga, K. Fujimoto, R. Yokokawa.
        “Artificial Intelligence-based Vessel-on-a-chip Platform for Accurate Identification of Development Stages in Vasculogenesis.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), T177.g, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      6. K. Fujimoto, Y. Kameda, R. Yokokawa.
        “Time Course Analysis and Numerical Simulation of On-chip Vascular Bed Formation Toward Quantitative Understanding.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), M037.a, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      7. S. Matsumoto, W. Wang, A. Haginiwa, A. K. Kopec, J. Harney, L. Tomlinson, N. Khan, K. Fujimoto, R. Yokokawa.
        “Optimization of Culture Conditions for Promoting Angiogenesis Around and Within a Liver Spheroid in a Microfluidic Device.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), T035.a, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      8. T. Nishimura, Y. Takata, K. Ofuji, K. Fujimoto, M. Takasato, R. Yokokawa.
        “Bladder-on-a-chip Recapitulating the Stratified Urothelium by Co-culturing With Fibroblasts.”
        The 27th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2023), M029.a, Katowice, Poland, 2023, 2023/10/15-19 (Poster).
      9. R. Yokokawa.
        “Microphysiological systems (MPS) with perfusable vascular network for pharmacological and organogenesis applications.”
        International Conference on Precision Nanomedicine in Theranostics & The 2023 Annual Meeting of Taiwan Nanomedicine Society, Taichung, Taiwan, 2023, 2023/07/21 (Invited speech).
      10. Y. Takata, R. Banan Sadeghian, K. Fujimoto, R. Yokokawa.
        “Monitoring Drug-induced Nephrotoxicity Modified by Cell Polarity in Renal Proximal Tubule Epithelial Tissue With an Impedance Measurement System.”
        2nd Microphysiological Systems World Summit Berlin, pp. 294, Berlin, Germany, 2023, 2023/06/26-30 (Poster).
      11. R. Banan Sadeghian, Y. Takata, C. Ma, M. Takasato, R. Yokokawa.
        “An MPS model to study the effect of infinitesimally small shear stress on the morphology and performance of a hybrid proximal tubule microtissue.”
        2nd Microphysiological Systems World Summit Berlin, pp. 279, Berlin, Germany, 2023, 2023/06/26-30 (Poster).
      12. Y. Kameda, M. Tanaka, K. Fujimoto, T. Nakamura, R. Yokokawa.
        “Modeling the interaction between tumor spheroids and vasculature using on-chip vascular bed platform.”
        2nd Microphysiological Systems World Summit Berlin, pp. 544, Berlin, Germany, 2023, 2023/06/26-30 (Poster).
      13. R. Banan Sadeghian, C. Ma, A. Kawakami, M. Takasato, R. Yokokawa.
        “Apical Microvili of a Hybrid hiPSC-derived Proximal Tubule Microtissue React to Flow-induced Shear Stress in a Microphysiological System.”
        The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023), pp. 658-661, Kyoto, Japan, 2023, 2023/06/25-29 (Oral).
      14. C. Ma, R. Banan Sadeghian, K. Fujimoto, A. Kawakami, T. Araoka, R. Yokokawa.
        “Investigation of Flow-induced Intracellular Ca2+ Increase in Proximal Tubule Cells on a Microphysiological System for ADPKD Modelling.”
        The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023), pp. 997-1000, Kyoto, Japan, 2023, 2023/06/25-29 (Poster).
      15. K. Fujimoto, Y. Nagano, Y. Kameda, S. Deguchi, K. Takayama, R. Yokokawa.
        “SARS-COV-2 Infection Caused a Damage on Vascular Bed Co-cultured With Bronchial Organoids in Microfluidic Device.”
        The 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023), pp. 1066-1069, Kyoto, Japan, 2023, 2023/06/25-29 (Poster).
      16. K. Fujimoto, Y. Kameda, Y. Nagano, S. Deguchi, K. Takayama, R. Yokokawa.
        “Vascular Damage Caused by Infection of SARS-COV-2 to Bronchial Organoids in 3D MPS.”
        ISSCR ANNUAL MEETING 2023 (ISSCR2023), p. 435, Boston, MA, USA, 2023, 2023/06/15-19 (Poster).
      17. H. Zhou, W. Jung, T. I. Farhana, K. Fujimoto, T. Kim, R. Yokokawa.
        “Tuning the Collective Motion of Microtubules by Their Persistence Length.”
        Biophysical Society 67th Annual Meeting (BPS 2023), p. 126A, San Diego, CA, USA, 2023, 2023/02/18-22 (Poster).
      18. Y. Kameda, K. Yabuuchi, J. Taniguchi, T. Araoka, M. Takasato, K. Fujimoto, R. Yokokawa.
        “Co-Culture of Vascular Bed and Vascular Endothelial Cell-Enriched Kidney Organoid.”
        2023 RIKEN BDR-CuSTOM Joint Organoid Symposium, P23-B, Kobe, Japan, 2023/02/15-17 (Poster)
      19. C. Ma, R. Banan Sadeghian, K. Fujimoto, A. Kawakami, T. Araoka, R. Yokokawa.
        “Investigation of Flow-Induced Intracellular Ca2+ Increase in Proximal Tubule Cells Extracted from hiPSC-Derived Kidney Organoids in a Microphysiological System for Modeling ADPKD “
        2023 RIKEN BDR-CuSTOM Joint Organoid Symposium, P34-A, Kobe, Japan, 2023/02/15-17 (poster)
      20. M. Shaji, A. Tamada, K. Muguruma, K. Fujimoto, S. L. Karsten, R. Yokokawa.
        “Co-Culture of Cerebral Organoid and Microvasculature on a Chip for Identifying Organoid Vascularization Factors.”
        2023 RIKEN BDR-CuSTOM Joint Organoid Symposium, P50-A, Kobe, Japan, 2023/02/15-17 (Poster)
      21. R. Banan Sadeghian, C. Ma, A. Kawakami, Y. Takata, T. Araoka, M. Takasato, R. Yokokawa.
        “Application of Pseudo Proximal Tubule Cells Extracted from hiPSC-Derived Kidney Organoids in Modeling the Organ in a Microphysiological System.”
        2023 RIKEN BDR-CuSTOM Joint Organoid Symposium, S5-3 (Oral), P03-B (Poster), Kobe, Japan, 2023/02/15-17 (Oral, Poster)
      22. T. Irisa, H. Zhou, K. Fujimoto, R. Yokokawa.
        “Developmental Phases of On-Chip Vasculogenesis Classified Using a Deep Learning Visual Model.”
        The 36th International Conference on Micro Electro Mechanical Systems (MEMS 2023), 309-12, Munich, Germany, 2023/01/15-19 (Poster)
      23. A. Tabuchi, K. Yabuuchi, Y. Sahara, M. Takasato, K. Fujimoto, R. Yokokawa.
        “Comparison of Selective Filtration of On-Chip Glomerulus Comprised of Organoid-Derived and Immortalized Podocytes.”
        The 36th International Conference on Micro Electro Mechanical Systems (MEMS 2023), 301-04, Munich, Germany, 2023/01/15-19 (Poster)
    2022
      1. Y. Takata, R. Banan Sadeghian, K. Fujimoto, R. Yokokawa.
        “Impedance Measurements Reveal Cisplatin-Induced Nephrotoxicity in Renal Proximal Tubule Epithelial Cells.”
        The 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2022), 404-05, Hangzhou, China (Hybrid), 2022/10/23-27 (Poster)
      2. Y. Kameda, K. Yabuuchi, J. Taniguchi, T. Araoka, M. Takasato, K. Fujimoto, R. Yokokawa.
        “Optimizing Co-Culture System of Kidney Organoids and On-Chip Vascular Bed.”
        The 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2022), 414-15, Hangzhou, China (Hybrid), 2022/10/23-27 (Poster)
      3. M. Shaji, A. Kitada, K. Fujimoto, S. L. Karsten, R. Yokokawa.
        “Anti-Angiogenic Effects of Sodium Selenite Supplement on Microvasular Network on a Chip.”
        The 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2022), 422-23, Hangzhou, China (Hybrid), 2022/10/23-27 (Poster)
      4. R. Banan Sadeghian, A. Kawakami, C. Ma, T. Araoka, M. Takasato, R. Yokokawa.
        “An Engineered Epithelial Tissue Offers Improved Urinary Excretion Performance in a Proximal Tubule Microphysiological System.”
        The 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2022), 430-31, Hangzhou, China (Hybrid), 2022/10/23-27 (Poster)
      5. M. Shaji, A. Tamada, K. Fujimoto, K. Muguruma, S. L. Karsten, R. Yokokawa.
        “Identification of Pro-Angiogenic Factors for in Vitro Vasculatization of hiPSC-Derived Brain Organoids.”
        The Federation of European Neuroscience Societies (FENS) Forum 2022, S05-348, Paris, France, 2022/07/09-13 (Poster)
      6. Y. Takata, R. Ueno, R. Banan Sadeghian, K. Naganuma, K. Tsuji, K. Fujimoto, R. Yokokawa.
        “Detection of Cell Polarity in Renal Proximal Tubule Epithelial Tissue by Measuring the Trans-Epithelial Electrical Resistance in a Microphysiological System.”
        Microphysiological Systems World Summit 2022, 204, New Orleans, USA (Hybrid), 2022/05/30-06/03 (Poster)
      7. R. Banan Sadeghian, R. Ueno, A. Kawakami, R. Yokokawa.
        “Comprehensive Evaluation of the Effect of Culture Media Perfusion on the Reabsorption Function of a Proximal Tubule on a Chip.”
        Microphysiological Systems World Summit 2022, 204, New Orleans, USA (Hybrid), 2022/05/30-06/03 (Poster)
      8. H. Zhou, W. Jung, T. I. Farhana, K. Fujimoto, T. Kim, R. Yokokawa.
        “Pattern of Collective Motion Is Regulated by the Persistence Length of Microtubules.”
        Biophysical Society 66th Annual Meeting, 116a, San Francisco, CA, USA, 2022/02/19-23 (Poster)
      9. H. Hotta, H. Zhou, K. Fujimoto, T. I. Farhana, R. Yokokawa.
        “Evaluation of the Flexural Rigidity of Microtubules with a Multilayer Perceptron Model.”
        Biophysical Society 66th Annual Meeting, 113a, San Francisco, CA, USA, 2022/02/19-23 (Poster)
      10. Y. Kameda, K. Yabuuchi, J. Taniguchi, T. Araoka, M. Takasato, K. Fujimoto, R. Yokokawa.
        “On-Chip Compartmentalized Vascular Bed Preserves Kidney Organoid Differentiation.”
        The 35th International Conference on Micro Electro Mechanical Systems (MEMS 2022), 428-31, Tokyo (Hybrid), 2022/01/09-13 (Poster)
      11. Y. Takata, R. Ueno, R. Banan Sadeghian, K. Fujimoto, R. Yokokawa.
        “Monitoring Nephrotoxicity on a Proximal Tubule Mycrophysiological System by Trans-Epithelial Electrical Resistance Measurements.”
        The 35th International Conference on Micro Electro Mechanical Systems (MEMS 2022), 369-72, Tokyo (Hybrid), 2022/01/09-13 (Poster)
    2021
      1. M. Shaji, T. Irisa, A. Tamada, K. Muguruma, S. L. Karsten, R. Yokokawa.
        “Deciphering Early Angiogenic Factors of Human On-Chip iPSC-Derived Cerebral Organoids “
        ISSCR/JSRM Tokyo 2021 International Symposium, Poster #317, Tokyo, 2021/10/27-29 (Poster)
      2. A. Tabuchi, S. Watabe, K. Yabuuchi, Y. Sahara, M. Takasato, K. Fujimoto, S. L. Karsten, R. Yokokawa.
        “Building On-Chip Glomerular Barrier from Human iPSCs Derived Podocytes for Rapid Evaluation of Filtration Function and Nephrotoxicity Studies.”
        ISSCR/JSRM Tokyo 2021 International Symposium, Poster #308, Tokyo, 2021/10/27-29 (Poster)
      3. Y. Kameda, S. Chuychob, M. Tanaka, T. Nakamura, K. Fujimoto, R. Yokokawa.
        “”On-Chip Vascular Bed” System to Investigate Vascularization and Metastasis of Alveolar Soft Part Sarcoma.”
        The 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2021), 445-46, Online, 2021/10/10-14 (Poster)
      4. A. Tabuchi, S. Watabe, K. Yabuuchi, Y. Sahara, M. Takasato, K. Fujimoto, S. L. Karsten, R. Yokokawa.
        “Evaluation of Permeability and Pan Toxicity of Cell Barriers Constituted of Kidney Organoid-Derived Glomerulus.”
        The 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2021), 473-74, Online, 2021/10/10-14 (Poster)
      5. T. Irisa, M. Shaji, Y. Kameda, K. Fujimoto, S. L. Karsten, R. Yokokawa.
        “Optimizing Growth Factor Combinations for Perfusable Microvasculature-on-a-Chip.”
        The 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2021), 471-72, Online, 2021/10/10-14 (Poster)
      6. H. Zhou, W. Jung, T. I. Farhana, T. Kim, R. Yokokawa.
        “The Influence of Microtubule Persistence Length on Their Collective Motion.”
        65th Biophysical Society Annual Meeting, 257a, Online, 2021/02/22-26 (Poster)
      7. T. I. Farhana, T. Kaneko, Y. Tojo, R. Yokokawa.
        “Evaluation of Microtubules Binary Collisions Using Nano-Patterned Kinesins.”
        65th Biophyscial Society Annual Meeting, 164a, On-line, 2021/02/22-26 (Poster)
      8. Y. Takata, R. Ueno, R. Banan Sadeghian, K. Naganuma, K. Tsuji, R. Yokokawa.
        “Evaluation of Trans-Epithelial Electrical Resistance of Proximal Tubule Tissue by Inclusion and Removal of Extracellular Calcium Ion.”
        The 34th International Conference on Micro Electro Mechanical Systems (MEMS 2021), 415-18, Online, 2021/1/25-29 (Oral)
      9. R. Banan Sadeghian, R. Ueno, T. Araoka, J. K. Yamashita, T. Enoki, M. Takasato, R. Yokokawa.
        “Effect of Perfusion Culture on Localization, Intensity, and Functionality of Transporter Proteins in a Bilayer Proximal Tubule-on-a Chip.”
        The 34th International Conference on Micro Electro Mechanical Systems (MEMS 2021), 993-96, Online, 2021/1/25-29 (Poster)
      10. A. Tabuchi, K. Yabuuchi, Y. Sahara, M. Takasato, R. Yokokawa.
        “Evaluation of the Permeability of Cell Barriers Constituted of Kidney Organoid-Derived Glomerulus.”
        The 34th International Conference on Micro Electro Mechanical Systems (MEMS 2021), 536-39, Online, 2021/1/25-29 (Poster)
      11. A. Kawakami, R. Ueno, R. Banan Sadeghian, T. Araoka, J. Yamashita, M. Takasato, R. Yokokawa.
        “Proximal Tubule on a Chip for Evaluating P-Glycoprotein Transport Property.”
        The 34th International Conference on Micro Electro Mechanical Systems (MEMS 2021), 509-12, Online, 2021/1/25-29 (Poster)
    2020
      1. R. Banan Sadeghian, R. Ueno, T. Araoka, J. K. Yamashita, T. Enoki, M. Takasato, R. Yokokawa.
        “Effect of Shear Stress on the Expression of Functional Proteins in a Bilayer Proximal Tubule-on-a-Chip.”
        The 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2020), 983-984, Online, 2020/10/04-09 (Poster)
      2. H. Zhou, N. Isozaki, K. Ukita, T. L. Hawkins, J. L. Ross, R. Yokokawa.
        “Flexural Rigidity of Microtubules Measured by Gold Stripe-Patterned Substrate.”
        The 15th IEEE Int’l Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2020), 325-328, Online, 2020/09/27-30 (Poster)
      3. Y. Kameda, Q. Du, K. Yabuuchi, T. Araoka, M. Takasato, R. Yokokawa.
        “Developing the Stable On-Chip Vascular Bed System to Co-Culture a Kidney Organoid.”
        ISSCR 2020 Virtual, CA120, 2020/06/23-27 (Poster)
      4. T. Kaneko, K. Furuta, K. Oiwa, H. Shintaku, H. Kotera, R. Yokokawa.
        “Molecular Nano-Patterning Reveals Different Coordination of Kinesin-1 and Kinesin-14 Motors.”
        64th Annual Meeting of Biophysical Society, 2122-Pos, San Diego, USA, 2020/02/15-19 (Poster)
      5. Y. Isshiki, T. Kaneko, A. Tamada, K. Muguruma, R. Yokokawa.
        “Co-Culture of a Brain Organoid Derived from Human iPSCs and Vasculature on a Chip.”
        The 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), 1024-27, Vancouver, Canada, 2020/01/18-22 (Poster)
      6. S. Erickson, H. Ihara, S. Hanada, K. Nishiyama, T. Miura, R. Yokokawa.
        “An on-Chip Vascular Network to Investigate Pericyte Migration and Intercellular Signaling.”
        The 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), 444-47, Vancouver, Canada, 2020/01/18-22 (Poster)
      7. Y. Takata, R. Ueno, R. Banan Sadeghian, Y. Liu, K. Naganuma, K. Tsuji, R. Yokokawa.
        “On Chip Monitoring of Tight Junctions Formed on an Epithelial Monolayer and the Effect of Extracellular Calcium Ion Removal from Apical and Basal Sides.”
        The 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), 481-84, Vancouver, Canada, 2020/01/18-22 (Poster)
      8. M. Furukawa, T. Kaneko, R. Yokokawa.
        “Motility of Microtubule Driven by Kinesin in a Viscoelastic Media on Au Nano-Pillar Substrate.”
        The 33rd International Conference on Micro Electro Mechanical Systems (MEMS 2020), 429-32, Vancouver, Canada, 2020/01/18-22 (Poster)
    2019
      1. R. Okada, M. Nakayama, Y. Nashimoto, S. Hanada, K. Nishiyama, T. Miura, R. Yokokawa.
        “Analysis of Shear Stress for Angiogenic Sprouting Using on-Chip Microvascular Model.”
        The 20th International Conference on Systems Biology (ICSB2019), Okinawa, Japan, 2019/11/01-05 (Poster)
      2. Y. Nashimoto, R. Okada, S. Hanada, Y. Arima, K. Nishiyama, T. Miura, R. Yokokawa.
        “Vascularization of a Tumor Spheroid in a Microfluidic Device to Investigate Floweffects on Growth and Drug Delivery.”
        The 20th International Conference on Systems Biology (ICSB2019), Okinawa, Japan, 2019/11/01-05 (Poster)
      3. S. Erickson, H. Ihara, S. Hanada, K. Nishiyama, T. Miura, R. Yokokawa.
        “A Microfluidic Chip to Evaluate the Role of Pericytes and Fluid Flow in Vascular Development.”
        The 20th International Conference on Systems Biology (ICSB2019), p. 36, Okinawa, Japan, 2019/11/01-05 (Poster)
      4. R. Okada, Y. Kameda, K. Yabuuchi, T. Araoka, J. K. Yamashita, T. Enoki, M. Takasato, K. Osafune, R. Yokokawa.
        “Optimizing Co-Culture Medium Condition for the Integration of Kidney Organoid and Vascular Bed.”
        The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), pp. 170-171, Basel, Switzerland, 2019/10/27-31 (Oral)
      5. R. Ueno, R. Banan Sadeghian, Y. Takata, K. Tsuji, R. Yokokawa.
        “Non-Invasive Detection of Nephrotoxicity on a Proximal Tubule on-a-Chip by Trans-Epithelial/Trans-Endothelial Electrical Resistance Measurements.”
        The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), pp. 1362-1363, Basel, Switzerland, 2019/10/27-31 (Poster)
      6. Y. Kameda, R. Okada, K. Yabuuchi, T. Araoka, J. K. Yamashita, T. Enoki, M. Takasato, R. Yokokawa.
        “”On–Chip Vascular Bed” Enables Integration of a Spheroid and Perfusable Vasculature.”
        The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), pp. 522-523, Basel, Switzerland, 2019/10/27-31 (Poster)
      7. Y. Liu, R. Banan Sadeghian, Y. Sahara, J. Taniguchi, K. Yabuuchi, T. Araoka, K. Osafune, M. Takasato, R. Yokokawa.
        “A Glomerulus-on-a-Chip Utilizing hiPSC-Derived Podocytes with 3D Glomerular Structure.”
        The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), pp. 404-405, Basel, Switzerland, 2019/10/27-31 (Poster)
      8. R. Banan Sadeghian, Y. Liu, R. Ueno, T. Araoka, J. Yamashita, T. Enoki, M. Takasato, R. Yokokawa.
        “A Biomimetic Bilayer Human Proximal Tubule-on-a-Chip to Assess Proximal Tubule Cells Harvested from hPSC-Derived Kidney Organoids as a Substitute for the Immortalized Cell Counterpart.”
        The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), pp. 442-443, Basel, Switzerland, 2019/10/27-31 (Poster)
      9. R. Okada, Y. Kameda, T. Araoka, M. Takasato, R. Yokokawa.
        “On-Chip Construction of a Perfusable Vascular Network with Human iPS Cell-Derived Kidney Organoid.”
        ISSCR 2019 Annual Meeting, F-3048, Los Angeles, USA, 2019/06/25-29 (Poster)
      10. T. I. Farhana, T. Kaneko, R. Yokokawa.
        “The Cooperative Motility of Microtubules on Nano-Patterned Kinesin-1 TURF ”
        The 20th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2019), T3P. 026, Berlin, Germany, 2019/06/23-06/27 (Poster)

      11. T. Nakagawa, S. Oohara, T. I. Farhana, R. Yokokawa.
        “Patterning of Different Motor Proteins Using Aqueous Two-Phase ”
        The 20th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2019), Berlin, Germany, 2019/06/23-06/27 (Poster)

      12. T. I. Farhana, T. Kaneko, R. Yokokawa.
        “Investigation of Collisions of Microtubules Driven by Nano-Patterned Kinesins.”
        63rd Annual Meeting of Biophysical Society, Baltimore, Marryland, USA, 2019/03/02-03/06 (Oral)

      13. H. Zhou, N. Isozaki, T. L. Hawkins, J. L. Ross, R. Yokokawa.
        “Flexural Rigidity of Microtubules Measured with Nanometer-Level Localization Precision.”
        63rd Aunnal Meeting of Biophysical society, Baltimore, Marryland, USA 2019/03/02-03/06 (Poster)

    2018
      1. T. Kaneko, S. Ohba, K. y. Furuta, K. Oiwa, H. Shintaku, H. Kotera, R. Yokokawa.
        “Investigating Coordination of Kinesin Motor Proteins Using Their Selective Immobilization on Gold Nano-Pillars.”
        The 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2018), pp. 2256-2257, Kaohsiung, Taiwan, 2018/11/11-15 (Poster)

      2. R. Banan Sadeghian, Y. Sahara, Y. Liu, T. Araoka, J. Yamashita, T. Enoki, M. Takasato, R. Yokokawa.
        “A Bioinspired Human Proximal Tubule-on-a-Chip with Both Epithelial and Endothelial Tissue Layers for Online Monitoring of Nephrotoxicity and Filtration Properties ”
        The 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2018), pp. 1631-1634, Kaohsiung, Taiwan, 2018/11/11-15 (Poster)

      3. S. Erickson, Y. Teraoka, Y. Nashimoto, Y. Arima, S. Hanada, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa.
        “Investigating the Effect of Pericytes on Vascularization in Vitro.”
        Biomedical Engineering Society 2018 (BMES2018), Atlanta, Georgia, United States of America, 2018/10/17-20 (Poster)

      4. T. Kaneko, S. Ohba, K. y. Furuta, K. Oiwa, H. Shintaku, H. Kotera, R. Yokokawa.
        “Development of a Nano-Patterning of Kinesin to Control the Number and Arrangement of Motors by Combining Au Nano-Pillars and Sam.”
        Molecules, Materials, Devices and Systems in Medicine, New York City, 2018/05/28-30 (Poster)

      5. R. Yokokawa.
        “On-chip Vascular Network for the Evaluation of Three-Dimensional Tumor Tissue Model.”
        Molecules, Materials, Devices and Systems in Medicine, 7, New York CIty, USA, 2019/05/28-30 (Oral).
      6. Y. Nashimoto, S. Hanada, Y. Arima, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa.
        “On-Chip Vascular Network for the Culture of Three-Dimensional Tissue Model.”
        KEYSTONE SYMPOSIA on Molecular and Cellular Biology, Organs- and Tissues-on-Chips, 3037, Big Sky, USA, 2018/4/8-12 (Poster)

      7. T. Kaneko, S. Ohba, K. y. Furuta, K. Oiwa, H. Shintaku, H. Kotera, R. Yokokawa.
        “Different Coordination of Kinesin-1 and Ncd Revealed by Their Selective Immobilization on Gold Nano-Pillars.”
        Biophysical Society 62nd Annual Meeting
        , San Francisco, California, USA, 2018/02/17-2/21 (Poster)

      8. K. Fujimoto, R. Iino, M. Tomishige, H. Shintaku, H. Kotera, R. Yokokawa.
        “Fluorescent Observation of ATP Binding in Kinesin Driven Microtubule Gliding Using Nano-Slits.”
        The 31th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2018), pp. 432-435, Belfast, Northern Ireland, UK, 2018/01/ 21-25.

    2017
      1. Y. Teraoka, M. Nakayama, Y. Nashimoto, A. Nakamasu, S. Hanada, Y. Arima, Y.-s. Torisawa, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa,
        “Angiogenesis Derived from Shear Stress Optimized by a Microfluidic Device,”
        The 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), W133f, Savannah, USA, 2017/10/22-26 (Poster)

      2. Y. Nashimoto, Y. Teraoka, A. Nakamasu, S. Hanada, Y. Arima, Y.-s. Torisawa, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa,
        “Perfusion Culture through a Vasculature Constructed in a Tumor Spheroid,”
        The 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), T136f, Savannah, USA, 2017/10/22-26 (Poster)

      3. J. H. Liu, R. Yokokawa, Y. W. Lu,
        “Development of a Microtubule Polymerization Method Using a Microfluidic Chip to Induce a Temperature Gradient,”
        The 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), M122e, Savannah, USA, 2017/10/22-26 (Poster)
      4. N. Futai, T. Sano, M. Sumita, A. Takano, R. Yokokawa, T. Miura,
        “Vascular Remodeling Processes in an Integrated Microfluidic Device,”
        The 21st International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2017), W137f, Savannah, USA, 2017/10/22-26 (Poster)
      5. R. Banan Sadeghian, R. Yokokawa.
        “Nanoporous Gold in 2D and 3D Forms, Applications in Ultrasensitive Electrochemical Superoxide Biosensing.” 16th World Medical Nanotechnology Congress, Osaka, 2017/10/20-22
      6. M. Nakayama, Y. Teraoka, Y. Nashimoto, A. Nakamasu, S. Hanada, Y. Arima, Y.-s. Torisawa, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa,
        “Investigation for the Effect of Shear Stress on Angiogenesis Using on-Chip 3D Vasculature,”
        2017 BMES Annual Meeting, P-TH -105, Phoenix, USA, 2017/10/11-14 (Poster)
      7. N. Isozaki, K. Ukita, H. Shintaku, H. Kotera, T. L. Hawkins, J. L. Ross, R. Yokokawa,
        “High-Precision Microtubule Sorting by the Measurement of Persistence Length with Sub-Pixel Resolution,”
        2017 BMES Annual Meeting
        , P-FRI-77, Phoenix, USA, 2017/10/11-14 (Poster)
      8. T. Kaneko, K. Sasakura, K. Furuta, K. Oiwa, H. Shintaku, H. Kotera, R. Yokokawa,
        “Integration of Au Nano-Pillars and Sam Enables Protein Patterning with Designed Spacing at Single Molecule Level,”
        The17th IEEE International Conference on Nanotechnology (IEEE NANO 2017), pp. 311-314, Pittsburgh, PA, USA, 2017/07/25-28 (Oral)
      9. Y. Nashimoto, Y. Teraoka, Y. Arima, A. Nakamasu, Y.-s. Torisawa, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa,
        “Development of Three-Dimensional Tumor Model with a Perfusable Vasculature Using a Microfluidic Device,”
        18th International Congress of Developmental Biology, PS1.34, Singapore, 2017/06/18-22 (Poster)

      10. N. Isozaki, H. Shintaku, K. Hidetoshi, T. L. Hawkins, J. L. Ross, R. Yokokawa,
        “Microtubule Sorting by Persistence Length and Surface Charge Density of Microtubules,”
        Biophysical Society 61st Annual Meeting, 565a, New Orleans, Louisiana, USA, 2017/02/11–15 (Poster)
      11. Y. Nashimoto, I. Kunita, A. Nakamasu, Y. Torisawa, M. Nakayama, H. Takigawa-Imamura, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa,
        “Engineering a Three-Dimensional Tissue Model with a Perfusable Vasculature in a Microfluidic Device,”
        The 30th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2017), pp. 592-595, Las Vegas, NV, USA, 2017/01/23-26 (Poster)

      12. T. Kaneko, H. Shintaku, H. Kotera, R. Yokokawa,
        “Nano-Patterning of Motor Proteins to Control Number of Kinesin Molecules Transporting a Single Microtubule,”
        The 30th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2017), pp. 53-56, Las Vegas, NV, USA, 2017/01/23-26 (Oral)

      13. K. Fujimoto, Y. Morita, R. Iino, M. Tomishige, H. Shintaku, H. Kotera, R. Yokokawa,
        “Linear Zero Mode Waveguides for the Study of Chemo-Mechanical Coupling Mechanism of Kinesin,”
        The 30th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2017), pp. 64-67, Las Vegas, NV, USA, 2017/01/23-26 (Oral)

    2016
      1. T. Kaneko, S. Ando, H. Shintaku, H. Kotera, R. Yokokawa, “Patterning of Kinesin Molecules on Au Nano-Pillars by Selective Sam Coatings,” 29th International Microprocesses and Nanotechnology Conference (MNC2016), 11D-19-12, Kyoto, Japan, 2016/11/8-11 (Oral)
      2. Y. Morita, K. Fujimoto, R. Iino, M. Tomishige, H. Shintaku, H. Kotera, R. Yokokawa, “Single-Molecule Fluorescence Imaging of Kinesin Using Linear Zero-Mode Waveguides,” IEEE Sensors 2016, 643-645, Orlando, FL, 2016/10/30-11/2 (Oral)

      3. Y. Nashimoto, I. Kunita, A. Nakamasu, Y.Torisawa, M. Nakayama, H. Takigawa-Imamura, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Development of the Perfusable Vascularization Method for Organoid Culture Using a Microfluidic Device,” Organoid: Modeling organ development and disease in 3D culture, Heidelberg, Germany, 2016/10/12-15 (Oral)
      4. M. Nakayama, Y. Nashimoto, I. Kunita, A. Nakamasu, Y.-s. Torisawa, H. Shintaku, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Sprouting from on-Chip Vascular Networks by a Pressure Driven Flow,” The 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2016), pp. 429-431, Dublin, Ireland, 2016/10/9-13 (Poster)
      5. N. Isozaki, H. Shintaku, H. Kotera, T. L. Hawkins, J. L. Ross, R. Yokokawa, “Designing Mechanical and Electrical Properties of Microtubules to Modulate Gliding Trajectories,” The 20th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2016), pp. 120-121, Dublin, Ireland, 2016/10/9-13 (Oral)

      6. N. Isozaki, H. Shintaku, H. Kotera, T. L. Hawkins, J. L. Ross, R. Yokokawa. “Controlling Gliding Trajectories of Microtubules by Altering Surface Charge Density and Flexural Rigidity.” International Symposium on Micro- and Nanomachines (MNM 2016), Hannover, Germany, 2016/06/29 – 07/01 (Oral)
      7. S. S. Parimalam, R. Yokokawa, H. Kotera, H. Shintaku, “Massively Parallel Quantification of Mirna in Single Cells Via Duplex-Specific Nuclease Reaction in Pico-Liter Wells,” 2016 International Conference of Microfluidics Nanofluidics and Lab-on-a-chip, p. 643, Dalian, China, 2016/06/10 (Oral)

      8. Y. Nashimoto, I. Kunita, A. Nakamasu, Y.Torisawa, M. Nakayama, H. Takigawa-Imamura, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Angiogenic Sprouts Reconstitute Perfusable Vascular Networks inside a Three-Dimensional Spheroid,” The 8th International Conference on Microtechnologies in Medicine and Biology, pp. 216-217, Seoul, Korea, 2016/04/20-22 (Poster)

      9. M. Nakayama, Y. Nashimoto, I. Kunita, A. Nakamasu, Y.-s. Torisawa, H. Shintaku, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Flow Control of a Microfluidic Device for Studying Vascular Network Morphology,” The 11th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems, A1L-A-5 (#1250), Matsushima Bay and Sendai MEMS City, Japan, 2016/04/17-20 (Oral)

      10. N. Isozaki, S. Erickson, H. Shintaku, H. Kotera, T. L. Hawkins, J. L. Ross, R. Yokokawa, “Controlling Gliding Trajectories of Microtubules by Altering Microtubule Flexural Rigidity,” Biophysical Society 60th Annual Meeting, 504a, Los Angeles, USA, 2016/02/27-03/02 (Poster)

    2015
      1. Y. Nashimoto, A. Nakamasu, Y. Torisawa, H. Takigawa-Imamura, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Anastomosis of Vascular Network between Spheroid and Microchannel Using the Angiogenesis-Based Vascularization,” 2015 MRS Fall Meeting and Exhibit, F5.02, Boston, USA, 2015/11/30-12/4 (Poster)
      2. S. P. Subhathirai, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “On-Chip Detection of Tau Mutants and 3r:4r Tau Ratio Based on Tau’s Binding Affinity to Taxol Stabilized Microtubules,” The 45th Annual Meeting of the Society for Neuroscience (SfN), Chicago, USA, 2015/11/17-21 (Poster)
      3. Y. Nashimoto, I. Kunita, A. Nakamasu, Y. Torisawa, H. Takigawa-Imamura, H. Kotera, K. Nishiyama, T. Miura, R. Yokokawa, “Angiogeneic Sprouts Form Perfusable Vascular Networks inside Multicellular Spheroid,” Japan-China-Korea MEMS/NEMS Conference 2015, pp. 95-96, Xi’an, China, 2015/09/23-25 (Poster)
      4. K. Fujimoto, M. Nagai, H. Shintaku, H. Kotera, R. Yokokawa,
        “Kinesin Beads Assay in Micro Channels toward Molecular Manipulation Directly Driven by Motor Proteins.”
        The 18th International Conference on Solid-State Sensors, Actuators and Microsystems(Transducers 2015), pp. 448-451, Anchorage, USA, 2015/06/21-25 (Oral)
      5. N. Isozaki, H. Shintaku, H. Kotera, E. Meyhöfer, R. Yokokawa, “Directional Control of Microtubules by Designing Their Biophysical Properties,” 2015 MRS Spring Meeting & Exhibit, 186, San Francisco, USA, 2015/04/06-10 (Oral)
      6. S. P. Subramaniyan, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “Identification of Tau Isoforms and Mutants through Kinesin – Microtubule Molecular System,” The 3rd International Confrence on Nanoscience and Nanotechnology, CL30, Chennai, India, 2015/02/04-06 (Oral)

      7. S. P. Subramaniyan, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “On-Chip Detection of Wild 3r, 4r and Mutant 4r Tau through Kinesin-Microtubule Binding,” The 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2015), pp. 455-458, Estoril, Portugal, 2015/01/18-22 (Poster)
      8. T. Nakahara, H. Shintaku, H. Kotera, R. Yokokawa, “A Method for Controlling Microtubule Velocity Using Light Irradiance on a Patterned Gold Surface,” The 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2015), pp. 694-697, Estoril, Portugal, 2015/01/18-22 (Poster)
      9. N. Isozaki, H. Shintaku, H. Kotera, E. Meyhöfer, R. Yokokawa, “Microtubule Sorting within a Given Electric Field by Designing Flexural Rigidity,” The 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2015), pp. 238-241, Estoril, Portugal, 2015/01/18-22 (Oral)
      10. T. Hayashi, H. Takigawa-Imamura, K. Nishiyama, H. Shimokawa, H. Kotera, T. Miura, R. Yokokawa, “Vascular Network Formation for a Long-Term Spheroid Culture by Co-Culturing Endothelial Cells and Fibroblasts,” The 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2015), pp. 476-479, Estoril, Portugal, 2015/01/18-22 (Poster)
    2014
      1. S. P. Subhathirai, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “Kinesin-Microtubule Molecular System in Microchip Format for Detection of Tau Isoforms and Mutants,” The 44th Annual Meeting of the Society for Neuroscience (SfN), Washington DC, 2014/11/15-19 (Poster)

      2. K. Fujimoto, H. Shintaku, H. Kotera, R. Yokokawa, “Microfluidic Valve Technology Produces Microchannel Array to Evaluate Kinesin-Driven Molecular Transport,” The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2014), pp. 1814-1816, San Antonio, TX, USA, 2014/10/26-30 (Poster)
      3. T. Nakahara, J. Ikuta, H. Shintaku, H. Kotera, R. Yokokawa, “Optical Velocity Control of Microtubules Driven by Kinesin Motors,” The 14th International Conference on Nanotechnology (IEEE NANO 2014), pp. 120-123, Toronto, Canada, 2014/08/18-21 (Oral)

      4. S. P. Subramaniyan, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “Detection of Mutations in the Binding Domain of Tau Protein by Kinesin-Microtubule Gliding Assay,” The 27th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2014), 314-317, San Francisco, USA, 2014/01/25-30 (Poster)
      5. K. Fujimoto, H. Shintaku, H. Kotera, R. Yokokawa, “Transition of Q-Dot Distribution on Microtubule Array Enclosed by Pdms Sealing for Axonal Transport Model,” The 27th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2014), pp. 1107-1110, San Francisco, USA, 2014/01/25-30 (Poster)

    2013
      1. M. C. Tarhan, Y. Orazov, R. Yokokawa, S. L. Karsten, H. Fujita, “A Comprehensive Study on Detecting Tau Isoforms and Mutations Using Kinesin Motility Assay and Suspended Microtubules,” The 43rd Annual Meeting of the Society for Neuroscience (SfN), 394.309/NNN336, San Diego, USA, 2013/11/9-13 (Poster)

      2. T. Nakahara, N. Isozaki, S. Ando, N. K. Kamisetty, H. Shintaku, H. Kotera, R. Yokokawa, “Microtubule Manipulation by an Electric Field in a Fused Silica Channel,” The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), 161-163, Freiburg, Germany, 2013/10/28-31 (Poster)

      3. J. Ikuta, N. K. Kamisetty, H. Shintaku, H. Kotera, R. Yokokawa, “Microtubule Gliding at the Boundary of Kinesin and Dynein Patterned Surface,” The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), 1454-1456, Freiburg, Germany, 2013/10/28-31 (Poster)
      4. N. K. Kamisetty, J. Ikuta, H. Shintaku, H. Kotera, R. Yokokawa, “Manipulation of Microtubles Motility Using Electrical Filed on Kiensin/Dynein Coated Surfaces,” The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), 811-813, Freiburg, Germany, 2013/10/27-31 (Poster)
      5. Y. Orazov, M. C. Tarhan, R. Yokokawa, S. L. Karsten, H. Fujita, “Motor Protein Based Tau Protein Detection Device,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2013), 2447-2450, Barcelona, Spain, 2013/06/16-20 (Oral)
      6. F. Kurokawa, R. Yokokawa, H. Kotera, F. Horikiri, K. Shibata, M. Sato, H. Hida, I. Kanno, “Microfabrication of Lead-Free (K,Na)Nbo3 Piezoelectric Thin Films by Dry Etching,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2013), 1051-1054, Barcelona, Spain, 2013/06/16-20 (Oral)

      7. N. Isozaki, T. Nakahara, S. Ando, N. K. Kamisetty, H. Shintaku, H. Kotera, E. Meyhӧfer, R. Yokokawa, “The Influence of Molecular Charges on Microtubule Curvatures in an Electrical Field,” The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducer2013), 2126-2129, Barcelona, Spain, 2013/06/16-20 (Oral)

      8. M. C. Tarhan, Y. Orazov, R. Yokokawa, S. L. Karsten, H. Fujita, “Microtubule Based Tau Biosensor as a Future Diagnostic Tool for Tauopathies,” 7th International Conference on Microtechnologies in Medicine and Biology (MMB2013), 190-191, Marina Del Ray, USA, 2013/04/10-12 (Poster)
      9. T. Ikeuchi, S. P. Subhathirai, M. C. Tarhan, S. L. Karsten, H. Fujita, H. Shintaku, H. Kotera, R. Yokokawa, “Detection of Tau Pproteins through Microtubule Gliding,” International Conference on Microtechnologies in Medicine and Biology (MMB2013), 184-185, Marina del Rey, USA, 2013/04/10-12 (Poster)

      10. Y.-W. Han, H. Yokota, M. Ariyoshi, Y. Tsunaka, T. Iwasa, R. Yokokawa, R. Hiramatsu, D. Chiba, T. Ono, Y. Harada, “Characterization of Sra-Methylated DNA Complexes Dynamics Related to Chromatin Structure Regulation,” Biophysical Society 57th Annual Meeting, 255a, Philadelphia, USA, 2013/02/04 (Poster)

    2012
      1. K. Fujimoto, M. Kitamura, M. Yokokawa, H. Shintaku, H. Kotera, R. Yokokawa, “Manipulation and Observation of Binding of Molecules Driven by Motor Proteins,” The 6th IEEE International Conference on Nano/Molecular Medicine and Engineering (NANOMED2012), 66-69, Bangkok, Thailand, 2012/11/04-07 (Oral)

      2. M. C. Tarhan, Y. Orazov, R. Yokokawa, S. L. Karsten, H. Fujita, “Intraneuronal Transport in Vitro: Development of a Highly Sensitive Microtubule Based Assay,” The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2012), 707-709, Okinawa, Japan, 2012/10/28-11/01 (Poster)
      3. K. Fujimoto, M. Kitamura, M. Yokokawa, H. Kotera, R. Yokokawa, “Colocalization of Q-Dots Carried by Motor Proteins on Microtubule Array in Nanotracks,” The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2012), 22-25, Okinawa, Japan, 2012/10/28-11/01 (Oral)

      4. F. Kurokawa, I. Kanno, R. Yokokawa, H. Kotera, F. Horikiri, K. Shibata, T. Mishima, “Microfabrication of Lead-Free (K,Na)Nbo3 Piezoelectric Thin Films by Dry Etching,” The 6th Asia-Pacific Conference on Transducers and Micro-Nano Technology (APCOT2012), ac12000146, Nanjing, China, 2012/07/08-11 (Oral)
      5. K. Tomioka, F. Kurokawa, I. Kanno, K. Adachi, R. Yokokawa, H. Kotera, “Composition Dependence of Piezoelectric Properties of Pb (Zr,Ti)O3 Films Prepared by Combinatorial Sputtering,” The International Symposium on Integrated Ferroelectrics (ISIF2012), O335, Hong Kong SAR, China, 2012/06/18-21 (Oral)

      6. M. C. Tarhan, H. Qiu, R. Yokokawa, S. L. Karsten, H. Fujita, “Tau Protein Detection in a Molecular Motor System,” 9th Annual Conference on Foundations of Nanoscience (FNANO12), 37-38, Snowbird, USA, 2012/04/16-19 (Poster)

    2011
      1. Y. Imamiya, R. Yokokawa, I. Kanno, H. Kotera, “Multilayer Thin-Film Capacitors Fabricated by Radio-Frequency Magnetron Sputtering,” The 20th IEEE International Symposium on Applications of Ferroelectrics International Symposium on Piezoresponse Force Microscopy & Nanoscale Phenomena in Polar Materials (ISAF-2011-PFM), 1-4, Vancouver, Canada, 2011/07/24-27 (Oral)
      2. I. Kanno, R. Oka, K. Sagawa, R. Yokokawa, H. Kotera, “Piezoelectric Energy Harvesters of Pzt Films Deposited on Ti Cantilevers,” 21st Annual ASME Conference on Information Storage and Processing Systems, MI-B3, Santa Clara, USA, 2011/06/13-14 (Oral)
      3. M. C. Tarhan, R. Yokokawa, H. Qiu, S. L. Karsten, H. Fujita, “Motor Protein Motion Along Microtubules for Molecular Detection,” The 16th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2011), 886-889, Beijing, China, 2011/06/05-09 (Poster)
      4. S. Matsushita, I. Kanno, R. Yokokawa, H. Kotera, “Metal-Based Piezoelectric Mems Scanner Mirrors Composed of Pzt Thin Films on Titanium Substrates,” The 16th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2011), 574-577, Beijing, China, 2011/06/05-09 (Poster)
      5. R. Yokokawa, M. Kitamura, M. Yokokawa, I. Kanno, H. Kotera, “Parallel Microtuble Array with Defined Polarity by Nanotracks and Selective Microtuble Immobilization,” 2011 MRS Spring Meeting and Exhibit, AA5.1, San Francisco, USA, 2011/04/25-29 (Poster)

      6. M. C. Tarhan, R. Yokokawa, F. O. Morin, H. Fujita, “Molecular Sorting Based on Motor Protein Powered Direct Transport,” 8th Annual Conference on Foundations of Nanoscience (FNANO11), 39-40, Snowbird, USA, 2011/04/11-15 (Poster)
      7. R. Yokokawa, M. Kitamura, M. Yokokawa, I. Kanno, H. Kotera, “Experimental and Numerical Analysis of Polar Oriented Microtubule Array in Nanotracks,” 8th Annual Conference on Foundations of Nanoscience (FNANO11), 44-45, Snowbird, USA, 2011/04/11-15 (Poster)

      8. M. C. Tarhan, R. Yokokawa, L. Jalabert, D. Collard, H. Fujita, “Assembling Microtubule Networks for a Motor Protein-Based Nano Transport System,” 2011 MRS Spring Meeting and Exhibit, AA3.4, San Francisco, USA, 2011/04/25-29 (Poster)
      9. R. Yokokawa, Y. Sakai, A. Okonogi, I. Kanno, H. Kotera, “Number of Kinesin Molecules Involved in a Bead Transport Measured by Microfluidics and Mechanical Modeling,” The 24th International Conference on Micro Electro Mechanical Systems (MEMS 2011), 1365-1368, Cancun, Mexico, 2011/01/23-27 (Poster)
      10. M. Yokokawa, K. Fujimoto, M. Kitamura, R. Yokokawa, H. Kotera, “Dual Q-Dot Transport on Microtubule Array with Polarity Defined by Nanotracks and Microtubule Motility Control,” The 24th International Conference on Micro Electro Mechanical Systems (MEMS 2011), 1349-1352, Cancun, Mexico, 2011/01/23-27 (Poster)

      11. H. Kotake, R. Yokokawa, I. Kanno, H. Kotera, “Selective Kinesin and Dynein Immobilizaton and Electrical Microtubule Manipulation for Bidirectional Microtubule Motility,” The 24th International Conference on Micro Electro Mechanical Systems (MEMS 2011), 1373-1376, Cancun, Mexico, 2011/01/23-27 (Poster)

      12. Y. Kitazawa, R. Yokokawa, K. Terao, A. Okonogi, D. V. Dao, S. Sugiyama, I. Kanno, H. Kotera, “Real-Time Monitoring of Ca2+ Concentration in Pancreatic Beta Cells by a Microfluidic Device Integrated with Total Internal Reflection (Tir)-Based Chip,” The 24th International Conference on Micro Electro Mechanical Systems (MEMS 2011), 956-959, Cancun, Mexico, 2011/01/23-27 (Poster)

    Before 2010
      1. R. Yokokawa, Y.Sakai, A. Okonogi, I. Kanno, H. Kotera, “Force Measurement and Modeling for Motor Proteins between Microsphere and Microfluidic Channel Surface,” The 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2010), 372-374, Groningen, The Netherlands, 2010/10/03-07 (Poster)

      2. M. C. Tarhan, R. Yokokawa, L. Jalabert, D. Collard, H. Fujita, “Biomotor-Based Nanotransport System Constructed by Pick-and-Place Assembly of Individual Molecules,” The 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2010), 5628-5633, Taipei, Taiwan, 2010/10/18-22 (Oral)

      3. M. C. Tarhan, R. Yokokawa, L. Jalabert, D. Collard, H. Fujita, “Isolating Microtubules between Parallel Walls for Single Molecular Capturing Process,” The 5th Asia-Pacific Conference on Transducers and Micro-Nano Technology (APCOT2010), 55, Perth, Australia, 2010/07/06-09 (Oral)

      4. M. C. Tarhan, C. Bottier, R. Yokokawa, D. Collard, H. Fujita, “Carriers for Molecular Capturing in a Motor Protein-Based Transport System,” 20th Annual ASME Conference on Information Storage and Processing Systems, 247-249, Santa Clara, USA, 2010/06/14-15 (Oral)

      5. Y. Sakai, R. Yokokawa, A. Okonogi, H. Kotera, “Adhesion Force Measurement of Protein-Coated Microspheres Using Shear Stress in a Microfluidic Channel,” The 5th Asia-Pacific Conference on Transducers and Micro-Nano Technology (APCOT2010), 101, Perth, Australia, 2010/07/06-09 (Poster)

      6. A. Okonogi, K. Terao, T. Okitsu, T. Suzuki, R. Yokokawa, M. Ohoka, H. Kotera, “Development of Simple Microfluidic Cell Culturing System toward Observation of Cell-to-Cell Communication,” The 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2010), 854-856, Groningen, The Netherlands, 2010/10/03-07 (Poster)

      7. M. Kitamura, R. Yokokawa, H. Kotera, “Parallel Microtubule Array with Defined Polarity and Selective Microtubule Immobilization in Nanochannels,” 20th Annual ASME Conference on Information Storage and Processing Systems, 250-252, Santa Clara, USA, 2010/06/14-15 (Oral)

      8. I. Kanno, K. Morimoto, R. Yokokawa, K. Wasa, H. Kotera, N. Yamauchi, J. Ogawa, T. Matsushima, K. Aizawa, “High Efficiency Energy Harvester of Transferred Epitaxial Pzt Films on Stainless Steel Sheets,” The 23nd IEEE International Conference on Micro Electro Mechanical Systems (MEMS2010), 152-155, Hong Kong, 2010/01/24-28 (Oral)

      9. K. Wada, M. C. Tarhan, C. Bottier, D. Collard, H. Fujita, R. Yokokawa, “Fabrication and Characterization of Multiple Nanowires Using Microtubule Structures,” The 15th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2009), 1337-1340, Denver, USA, 2009/06/21-25 (Poster)

      10. M. C. Tarhan, R. Yokokawa, L. Jalabert, C. Bottier, D. Collard, H. Fujita, “Kinesin Motion at Microtubule Crossings of a Nano Transport System – Precise Analysis Realized by Single Molecular Handling and Assembly -,” The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2009), 1533-1535, Jeju, Korea, 2009/11/01-05 (Poster)

      11. M. C. Tarhan, L. Jalabert, R. Yokokawa, C. Bottier, D. Collard, H. Fujita, “Nano Monorail for Molecular Motors: Individually Manipulated Microtubules for Kinesin Motion,” The 15th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2009), 2164-2167, Denver, USA, 2009/06/21-25 (Oral)

      12. N. C. H. Le, R. Yokokawa, D. V. Dao, J. Wells, S. Sugiyama, “Dual-Color Total Internal Reflection (Tir)-Based Devices with Uniform and High S/N Ratio Overlapped Evanescent Fields,” The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2009), 1602-1604, Jeju, Korea, 2009/11/01-05 (Poster)

      13. N. C. H. Le, D. V. Dao, R. Yokokawa, J. C. Wells, S. Sugiyama, “All Pdms Multi-Color Total Internal Reflection (Tir)-Based Devices for Multi-Fluorescence Detection and Imaging,” The 7th Annual IEEE Conference on Sensors (Sensors2009), 1636-1639, Christchurch, New Zealand, 2009/10/25-28 (Oral)

      14. N. C. H. Le, D. V. Dao, R. Yokokawa, J. Wells, S. Sugiyama, “Monolithic Multicolor Total Internal Reflection (Tir)-Based Chip for Highly-Sensitive Multifluorescence Detection and Imaging,” The 22nd IEEE International Conference on Micro Electro Mechanical Systems (MEMS2009), 1011-1014, Sorrento, Italy, 2009/01/25-29 (Poster)

      15. H. Kotake, K. Terao, A. Okonogi, R. Yokokawa, M. Gel, M. Washizu, H. Kotera, “Three-Dimensional Electroporation Chip for Realtime Monitoring of Intracellular Dynamics,” The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2009), 1159-1161, Jeju, Korea, 2009/11/01-05 (Poster)

      16. Y. Kitazawa, K. Terao, A. Okonogi, R. Yokokawa, H. Kotera, “Electroosmosis-Driven Positioning of Heterotypic Cells in Open-Access Flow Chamber,” The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2009), 1234-1236, Jeju, Korea, 2009/11/01-05 (Poster)

      17. C. Bottier, J. Fattaccioli, M. C. Tarhan, R. Yokokawa, B. J. Kim, D. Collard, H. Fujita, “Kinesin-Driven Oil Droplets Used as Carriers for Transportation of Solid Particles,” The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2009), 1521-1523, Jeju, Korea, 2009/11/01-05 (Poster)

      18. R. Yokokawa, M. C. Tarhan, T. Kon, H. Fujita, “Bidirectional Transport of Kinesin or Dynein-Coated Microspheres on Polar Oriented Microtubules,” The 21st IEEE International Conference on Micro Electro Mechanical Systems (MEMS2008), 559-562, Tucson, USA, 2008/01/13-17 (Poster)

      19. R. Yokokawa, N. C. H. Le, D. V. Dao, J. C. Wells, S. Sugiyama, “Development and Application of Tir-Based Chip Based on Mems Thechnology,” The first International Symposium on Micro/Nano Systems Technology, 149-154, Hanoi, Viet Nam, 2008/12/18-21 (Oral)

      20. M. C. Tarhan, R. Yokokawa, C. Bottier, E. Sarajlic, H. Fujita, “Transport of Functionalized Microneedles by Gliding Assay-Based Molecular System,” The 4th Asia- Pacific Conference on Transducers and Micro-Nano Technology (APCOT MNT2008), 2-4, Tainan, Taiwan, 2008/06/22-25 (Oral)

      21. M. C. Tarhan, D. Collard, C. Bottier, R. Yokokawa, M. Hosogi, G. Hashiguchi, H. Fujita, “Isolation and Manipulation of Single Microtubule by Silicon Microtweezers,” The 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2008), 862-864, San Diego, USA, 2008/10/12-16 (Poster)

      22. T. Nakayama, K. Tabata, H. Noji, R. Yokokawa, “Effective Dilution of Protein for Single Molecule Assay in an Integrated Assay Device,” The 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2008), 766-768, San Diego, USA, 2008/10/12-16 (Poster)

      23. J. Miwa, M. C. Tarhan, H. Fujita, M. Kasahara, R. Yokokawa, “Single DNA Molecule Manipulation by a Self-Assembled Motor Protein System,” The 21th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2008), 667-670, Tucson, USA, 2008/01/13-17 (Poster)

      24. N. C. H. Le, R. Yokokawa, D. V. Dao, J. Wells, S. Sugiyama, “Dual-Fluorescence Detection and Imaging with Dual-Color Evanescent Excitation (Ee)-Based Chip,” International Symposium on Microchemistry and Microsystems (ISMM2008), 6, Kyoto, Japan, 2008/12/07-09 (Poster)

      25. N. C. H. Le, R. Yokokawa, D. V. Dao, T. D. Nguyen, J. Wells, S. Sugiyama, “Integration of Evanescent Excitation (Ee)-Based Chip with Microfluidic Channels for Upright and Inverted Microscope Observations,” The 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2008), 1603-1605, San Diego, USA, 2008/10/12-16 (Poster)

      26. N. C. H. Le, D. V. Dao, R. Yokokawa, J. C. Wells, S. Sugiyama, “A Dual-Color Total Internal Reflection (Tir)-Based Chip for Simultaneous Detection of Two Fluorophores,” The 7th Annual IEEE Conference on Sensors (SENSORS2008), 1191-1194, Lecce, Italy, 2008/10/26-29 (Oral)

      27. N. C. H. Le, D. V. Dao, R. Yokokawa, J. Wells, S. Sugiyama, “Highly-Sensitive Dual-Fluorescence Detection and Imaging with Integrated Dual-Color Total Internal Reflection (Tir)-Based Chip,” IEEE Int’l Symposium on Micro-Nano Mechatronics and Human Science (IEEE MHS 2008), 27-32, Nagoya, Japan, 2008/11/06-09 (Oral)

      28. C. Bottier, M. C. Tarhan, J. Fattaccioli, R. Yokokawa, D. Collard, H. Fujita, “Kinesin-Based Transportation of Hydrophobic and Hydrophilic Micro-Containers,” International Symposium on Microchemistry and Microsystems (ISMM2008), 29, Kyoto, Japan, 2008/12/07-09 (Poster)

      29. C. Bottier, M. C. Tarhan, D. Collard, R. Yokokawa, H. Fujita, “Kinesin-Based Transportation and Electrofusion of Lipid Vesicles,” The 12th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2008), 871-873, San Diego, USA, 2008/10/12-16 (Poster)

      30. M. C. Tarhan, R. Yokokawa, F. Morin, S. Takeuchi, H. Fujita, “Sorting and Direct Transportation of Target Molecules by Bio-Molecular Selectivity and Motor Function,” The 20th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2007), 23-26, Kobe, Japan, 2007/01/21-25 (Oral)

      31. T. Saika, R. Yokokawa, H. Fujita, S. Konishi, “Direct Liquid Manipulation by Parallel Micro Syringe System for High Controllability with Pico-Liter Scale,” The 14th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2007), 1877-1880, Lyon, France, 2007/06/10-14 (Poster)

      32. T. Nakayama, K. Tabata, H. Noji, R. Yokokawa, “On-Chip Single Molecule Assay Device Integrating Cell Lysis and Protein Extraction-Purification-Assay Components for Genetically Engineered Proteins,” The 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2007), 587-589, Paris, France, 2007/10/07-11 (Oral)

      33. T. Murakami, T. Sugie, T. Kon, R. Yokokawa, “Unidirectional Motion of Microtubules and Microspheres by Dynein Motor Protein,” The 20th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2007), 473-476, Kobe, Japan, 2007/01/21-25 (Poster)

      34. N. C. H. Le, R. Yokokawa, D. V. Dao, T. D. Nguyen, J. C. Wells, S. Sugiyama, “Application of an Integrated Microfluidic Total Internal Reflection (Tir)-Based Chip to Nano-Particle Image Velocimetry (Nano-Piv),” The 6th Annual IEEE Conference on Sensors (Sensors2007), 454-457, Atlanta, Georgia, USA, 2007/10/28-31 (Oral)

      35. N. C. H. Le, D. V. Dao, R. Yokokawa, J. Wells, S. Sugiyama, “A Total Internal Reflection (Tir)-Based Chip for Ultra-Sensitive Fluorescent Sensing,” The 14th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2007), 1781-1784, Lyon, France, 2007/06/10-14 (Poster)

      36. D. V. Dao, N. C. H. Le, R. Yokokawa, J. C. Wells, S. Sugiyama, “A Monolithic Evanescent Excitation (Ee)-Based Biochip for Highly-Sensitive and Real-Time Fluorescent Detection,” The 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2007), 17-19, Paris, France, 2007/10/07-11 (Oral)

      37. R. Yokokawa, K. Yamamoto, S. Aoki, K. Naka, H. Shiraishi, S. Konishi, “Characterization of Patterned Pyrolyzed Polymer for Glucose Sensor,” The 3rd Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT MNT2006), 287 295-CSM-A0403, Singapore, 2006/06/25-28 (Poster)

      38. R. Yokokawa, S. Tamaoki, T. Sakamoto, A. Murakami, S. Sugiyama, “Characterization of Transcriptome Analysis Chip Based on Liquid Phase Detection by Fluorescently Labeled Nucleic Acid Probes,” The 10th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS2006), 1435-1437, Tokyo, Japan, 2006/11/05-09 (Poster)

      39. R. Yokokawa, T. Saika, T. Nakayama, H. Fujita, S. Konishi, “Picoliter Controllable Syringes Driven by Parallel Motions of Electrostatic Controlled Linear Inchworm Actuator,” The 19th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2006), 798-801, Istanbul, Turkey, 2006/01/22-26 (Poster)

      40. M. C. Tarhan, R. Yokokawa, F. Morin, S. Takeuchi, T. Kon, H. Fujita, “Carrying Target Molecules on Beads by Bio Molecular Motors,” The 19th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2006), 526-529, Istanbul, Turkey, 2006/01/22-26 (Poster)

      41. Y. Yoshida, R. Yokokawa, H. Suzuki, K. Atsuta, H. Fujita, S. Takeuchi, “Biomolecular Linear Motors Confined to Move Upon Micropatterns on Glass,” The 18th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2005), 750-753, Miami, USA, 2005/01/30-02/03 (Poster)

      42. R. Yokokawa, Y. Yoshida, S. Takeuchi, T. Kon, K. Sutoh, H. Fujita, “Beads Actuation with Kinesin on a Microtubule Immobilized in a Nano Fluidic Channel,” The 13th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2005), 73-76, Seoul, Korea, 2005/06/05-09 (Oral)

      43. R. Yokokawa, S. Takeuchi, T. Kon, K. Sutoh, H. Fujita, “Control Techniques of Kinesin-Driven Beads in Microfluidic Devices,” The 3rd Annual International IEEE EMBS Special Topic Conference on Microtechnologies in Medicine and Biology (MMB2005), 341-342, Hawaii, USA, 2005/05/12-14 (Poster)

      44. R. Yokokawa, S. Takeuchi, T. Kon, M. Nishiura, K. Sutoh, H. Fujita, “Unidirectional Transportation of Nano Beads by Kinesin on Microtubules Well-Oriented in a Micro Channel,” The 8th lnternational Conference on Miniaturized Chemical and Blochemlcal Analysts Systems (MicroTAS2004), 15-17, Malmo, Sweden, 2004/09/26-30 (Oral)

      45. R. Yokokawa, S. Takeuchi, H. Fujita, “Ultra-Smooth Glass Channels Allowing Non-Fluorescent Observation of Bio-Molecules by Microscopes,” The 8th lnternational Conference on Miniaturized Chemical and Blochemlcal Analysts Systems (MicroTAS2004), 10-12, Malmo, Sweden, 2004/09/26-30 (Poster)

      46. R. Yokokawa, S. Takeuchi, H. Fujita, “Unidirectional Transfer of Microbeads by Biomolecular Linear Motors,” The 2nd Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT MNT2004), 352-356, Sapporo, Japan, 2004/07/04-07 (Oral)

      47. R. Yokokawa, S. Takeuchi, T. Kon, R. Ohkura, M. Edamatsu, K. Sutoh, H. Fujita, “Transportation of Micromachined Structures by Biomolecular Linear Motors,” The 16th IEEE International Conference on Micro Electro Mechanical Systems (MEMS2003), 8-11, Kyoto, Japan, 2003/01/19-23 (Oral)

      48. R. Yokokawa, S. Takeuchi, T. Kon, M. Nishiura, M. Edamatsu, K. Sutoh, H. Fujita, “On/Off Control of Biomolecular Motors in a Microfluidic Device,” The 12th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers2003), 1128-1131, Boston, MA, USA, 2003/06/08-12 (Oral)