Journal Papers

  1. Belal Ahmad, Hironobu Maeda, and Tomohiro Kawahara, “Dynamic response of swimming Paramecium induced by local stimulation using a threadlike-microtool,” IEEE Robotics and Automation Letters, accepted, 2020.
  2. Kohei Oguma, Tasuku Sato, Tomohiro Kawahara, Yoshikazu Haramoto, and Yoko Yamanishi, “Identification of aquatic organisms using a magneto-optical element,” Sensors, 19(15): 3254, 13 pages, 2019.
  3. Wenjing Huang, Sheng Zhang, Belal Ahmad, and Tomohiro Kawahara, “Three-motorized-stage cyclic stretching system for cell monitoring based on chamber local displacement waveforms,” Applied Sciences, 9(8): 1560, 22 pages, 2019.
  4. Masaya Hagiwara, Rina Nobata, and Tomohiro Kawahara “Initial 3D cell cluster control in a hybrid gel cube device for repeatable pattern formations,” Journal of Visualized Experiments, 145: e59214, 7 pages, 2019.
  5. Masaya Hagiwara, Rina Nobata, and Tomohiro Kawahara “High repeatability from 3D experimental platform for quantitative analysis of cellular branch pattern formations,” Integrative Biology, 10(5), pp. 306–312, 2018.
  6. Masaya Hagiwara, Rina Nobata, and Tomohiro Kawahara “Large scale imaging by fine spatial alignment of multi-scanning data with gel cube device,” Applied Sciences, 8(2): 235, 10 pages, 2018.
  7. Michael J. Toth, Tomohiro Kawahara, and YongTae Kim, “High-precision microfluidic pressure control through modulation of dual fluidic resistances,” International Journal of Dynamics and Control, 6(3), pp. 1175–1182, 2017.
  8. Belal Ahmad, Hironobu Maeda, Tomohiro Kawahara, and Fumihito Arai, “Microrobotic platform for single motile microorganism investigation,” Micromachines, 8(10): 295, 15 pages, 2017. [Selected as Cover Paper of the Issue]
  9. Wenjing Huang, Makoto Itayama, Fumihito Arai, Katsuko S Furukawa, Takashi Ushida, and Tomohiro Kawahara, “An angiogenesis platform using a cubic artificial eggshell with patterned blood vessels on chicken chorioallantoic membrane,” PLOS ONE, 12(4): e0175595, 20 pages, 2017.
  10. Masaya Hagiwara, Tomohiro Kawahara, and Rina Nobata, “Tissue in Cube: in vitro 3D culturing platform with hybrid gel cubes for multi-directional observations,” Advanced Healthcare Materials, 5(13), pp. 1566–1571, 2016. [Selected as Back Cover of the Issue]
  11. Koichi Akayama, Yoshihiro Miyata, Tomohiro Kawahara, Morihito Okada, Makoto Kaneko, Masazumi Okajima, and Hideki Ohdan, “New noncontact sensor for detecting pulmonary tumors during VATS,” Journal of Surgical Research, 214, pp. 62–68, 2016.
  12. Qingyi Gu, Tomohiro Kawahara, Tadayoshi Aoyama, Takeshi Takaki, Idaku Ishii, Ayumi Takemoto, and Naoaki Sakamoto, “LOC-based high-throughput cell morphology analysis system,” IEEE Transactions on Automation Science and Engineering, 12(4), pp. 1346–1356, 2015.
  13. Wenjing Huang, Fumihito Arai, and Tomohiro Kawahara, “Egg-in-Cube: design and fabrication of a novel artificial eggshell with functionalized surface,” PLOS ONE, 10(3): e0118624, 20 pages, 2015.
  14. YongTae Kim, Mark E. Lobatto, Tomohiro Kawahara, Bomy Lee Chung, Aneta J. Mieszawska, Brenda L. Sanchez-Gaytan, Francois Fay, Max L. Senders, Claudia Calcagno, Jacob Becraft, May Tun Saung, Ronald E. Gordon, Erik S. G. Stroes, Mingming Ma, Omid C. Farokhzad, Zahi A. Fayad, Willem J. M. Mulder, and Robert Langer, “Probing nanoparticle translocation across the permeable endothelium in experimental atherosclerosis,” Proceedings of the National Academy of Sciences of the United States of America, 111(3), pp. 1078–1083, 2014.
  15. Masakazu Tokunaga, Hiroyuki Egi, Minoru Hattori, Tomohiro Kawahara, and Hideki Ohdan, “Improving performance under mirror-image conditions during laparoscopic surgery using the broadview camera system,” Asian Journal of Endoscopic Surgery, 7(1), pp. 17–24, 2014.
  16. Tomohiro Kawahara, Masakuni Sugita, Masaya Hagiwara, Fumihito Arai, Hiroyuki Kawano, Ikuko Shihira-Ishikawa, and Atsushi Miyawaki, “On-chip microrobot for investigating the response of aquatic microorganisms to mechanical stimulation,” Lab on a Chip, 13(6) , pp. 1070–1078, 2013.
  17. Daisuke Sumitani, Hiroyuki Egi, Masakazu Tokunaga, Minoru Hattori, Masanori Yoshimitsu, Tomohiro Kawahara, Masazumi Okajima, and Hideki Ohdan, “Virtual reality training followed by box training improves the laparoscopic skills of novice surgeons,” Minimally Invasive Therapy & Allied Technologies, 22(3), pp. 150–156, 2013.
  18. Masaya Hagiwara, Tomohiro Kawahara, Toru Iijima, and Fumihito Arai, “High speed magnetic microrobot actuation in a microfluidic chip by fine V-groove surface,” IEEE Transactions on Robotics, 29(2), pp. 363–372, 2013.
  19. Yuichi Kurita, Tomohiro Kawahara, Masazumi Okajima, Hiroyuki Egi, Hideki Ohdan, Toshio Tsuji, and Tsukasa Ogasawara, “Force-based automatic classification of basic manipulations with grasping forceps,” International Journal of Life Science and Medical Research, 4(2), pp. 76–82, 2013.
  20. Lin Feng, Tomohiro Kawahara, Yoko Yamanishi, Masaya Hagiwara, Kazuhiro Kosuge, and Fumihito Arai, “On-demand and size-controlled production of droplets by magnetically driven microtool,” Journal of Robotics and Mechatronics, 24(1), pp. 133–140, 2012.
  21. Masakazu Tokunaga, Hiroyuki Egi, Minoru Hattori, Masanori Yoshimitsu, Daisuke Sumitani, Tomohiro Kawahara, Masazumi Okajima, and Hideki Ohdan, “Approaching time is important for assessment of endoscopic surgical skills,” Minimally Invasive Therapy & Allied Technologies, 21(3), pp. 142–149, 2012.
  22. Masaya Hagiwara, Tomohiro Kawahara, and Fumihito Arai, “Local streamline generation by mechanical oscillation in a microfluidic chip for noncontact cell manipulations,” Applied Physics Letters, 101(074102), 4 pages, 2012. [Featured in APL Top Stories as “Going with the flow” and Selected as APL The Best Papers of 2012]
  23. Tomohiro Kawahara, Shigeo Ohashi, Masaya Hagiwara, Yoko Yamanishi, and Fumihito Arai, “Air-flow-based single-cell dispensing system,” Advanced Robotics, 26(3–4), pp. 291–306, 2012.
  24. Masakazu Tokunaga, Masazumi Okajima, Hiroyuki Egi, Masanori Yoshimitsu, Daisuke Sumitani, Tomohiro Kawahara, Minoru Hattori, and Hideki Ohdan, “The importance of stressing the use of laparoscopic instruments in the initial training for laparoscopic surgery using box trainers: a randomized control study,” Journal of Surgical Research, 174(1), pp. 90–97, 2012.
  25. Masaya Hagiwara, Miyako Niimi, Tomohiro Kawahara, Yoko Yamanishi, Hayao Nakanishi, and Fumihito Arai, “On-chip particle sorting into multiple channels by magnetically driven microtools,” Journal of Robotics and Mechatronics, 23(3), pp. 370–377, 2011.
  26. Masaya Hagiwara, Tomohiro Kawahara, Yoko Yamanishi, and Fumihito Arai, “Precise control of magnetically driven microtools for enucleation of oocytes in a microfluidic chip,” Advanced Robotics, 25(8), pp. 991–1005, 2011.
  27. Masaya Hagiwara, Tomohiro Kawahara, Yoko Yamanishi, Taisuke Masuda, Lin Feng and Fumihito Arai, “On-chip magnetically actuated robot with ultrasonic vibration for single cell manipulations,” Lab on a Chip, 11(12), pp. 2049–2054, 2011. [Selected as Inside Front Cover of the Issue]
  28. Yoko Yamanishi, Tomohiro Kawahara, Tomohiro Iyanagi, Masaya Hagiwara, Takehito Mizunuma, Naoki Inomata, Shogo Kudo, and Fumihito Arai, “2DOF magnetically driven microtool for soft peeling of zona pellucida,” Journal of Robotics and Mechatronics, 22(5), pp.623–630, 2010.
  29. Masaya Hagiwara, Tomohiro Kawahara, Yoko Yamanishi, and Fumihito Arai, “Driving method of microtool by horizontally-arranged permanent magnets for single cell manipulation,” Applied Physics Letters, 97(013701), 3 pages, 2010.
  30. Hiroyuki Egi, Masazumi Okajima, Tomohiro Kawahara, Masanori Yoshimitsu, Daisuke Sumitani, Masakazu Tokunaga, Toshiyuki Itamoto, and Hideki Ohdan, “Scientific assessment of endoscopic surgical skills,” Minimally Invasive Therapy & Allied Technologies, 19(1), pp. 30–34, 2010.
  31. Tomohiro Kawahara, Yoshihiro Miyata, Koichi Akayama, Masazumi Okajima, Makoto Kaneko, “Design of noncontact tumor imager for video-assisted thoracic surgery,” IEEE/ASME Transactions on Mechatronics, 5(6), pp. 838–846, 2010.
  32. Hiroyuki Egi, Masazumi Okajima, Masanori Yoshimitsu, Satoshi Ikeda, Yoshihiro Miyata, Hiroyuki Masugami, Tomohiro Kawahara, Yuichi Kurita, Makoto Kaneko, and Toshimasa Asahara, “Objective assessment of endoscopic surgical skills by analyzing direction-dependent dexterity using the Hiroshima University Endoscopic Surgical Assessment Device (HUESAD),” Surgery Today, 38(8), pp. 705–710, 2008.
  33. Tomohiro Kawahara, Kan’ichi Tokuda, Nobuyuki Tanaka and Makoto Kaneko, “Noncontact impedance sensing,” International Journal of Artificial Life and Robotics, 10(1), pp. 35–40, 2006.
  34. Tomohiro Kawahara, Shinji Tanaka, and Makoto Kaneko, “Non-contact stiffness imager,” International Journal of Robotics Research, 25(5–6), pp. 537–549, 2006.