Personnel Information

写真a

TOMA Koji


Job title

Visiting Lecturer
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Campus Career 【 display / non-display 】

  • 2014.03
    -
    2021.10
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， Medical Devices， Biomedical Devices and Instrumentation， Assistant Professor
  • 2014.03
    -
    Now
    Tokyo Medical and Dental University， Graduate School of Medical and Dental Sciences， Life Science and Technology， Life Science and Technology， Biomedical Devices and Instrumentation， Assistant Professor
  • 2021.11
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    2022.03
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， Medical Devices， Biomedical Devices and Instrumentation， Junior Associate Professor
  • 2022.04
    -
    2023.04
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， Medical Devices， Biomedical Devices and Instrumentation， Visiting Lecturer
  • 2023.05
    -
    2024.04
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， -， Department of Biomedical Devices and Instrumentation， Visiting Lecturer
  • 2024.05
    -
    Now
    Tokyo Medical and Dental University， Institute of Biomaterials and Bioengineering， -， Department of Biomedical Devices and Instrumentation， Visiting Lecturer

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External Career 【 display / non-display 】

  • 2009.07
    -
    2012.09
    AIT Austrian Institute of Technology, Nanosystems in Health & Environment Department / BioSensor Technologies , Research fellow
  • 2012.12
    -
    2014.01
    Forschungszentrum Jülich, Institute of Complex Systems and Peter-Gruenberg-Institut, Bioelectronics (ICS8), Research fellow
  • 2014.02
    　
    　
    Forschungszentrum Jülich, Institute of Complex Systems and Peter-Gruenberg-Institut, Bioelectronics (ICS8), Humboldt research fellow
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Academic Society Affiliations 【 display / non-display 】

  • The Japan Society of Applied Physics

  • Japan Association of Chemical Sensors, The Electrochemical Society of Japan

  • Molecular Electronics and Bioelectronics Division, The Japan Society of Applied Physics

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Published Papers & Misc 【 display / non-display 】

  1. Kenta Ichikawa, Kenta Iitani, Gentaro Kawase, Koji Toma, Takahiro Arakawa, Dzung Viet Dao, and Kohji Mitsubayashi. Mouthguard-Type Wearable Sensor for Monitoring Salivary Trudbidity to Assess Oral Hygiene Sensors. 2024.02; 24 1436. ( DOI )

  2. Geng Zhang, Yuki Maeno, Kenta Iitani, Takahiro Arakawa, Yasuhiko Iwasaki, Koji Toma, and Kohji Mitsubayashi. Enhanced sensitivity of a fluorometric biosensor for alcohol metabolites with an enzymatic cycling reaction Sensors and Actuators: B. Chemical. 2023.11; 401 135031. ( DOI )

  3. Takahiro Arakawa, Naoki Mizukoshi, Kenta Iitani, Koji Toma, Kohji Mitsubayashi. A Bio-Fluorometric Acetone Gas Imaging System for the Dynamic Analysis of Lipid Metabolism in Human Breath Chemosensors. 2021.09; 9 (9): 258. ( DOI )

  4. Toma K, Iwasaki K, Zhang G, Iitani K, Arakawa T, Iwasaki Y, Mitsubayashi K. Biochemical Methanol Gas Sensor (MeOH Bio-Sniffer) for Non-Invasive Assessment of Intestinal Flora from Breath Methanol. Sensors (Basel, Switzerland). 2021.07; 21 (14): ( PubMed, DOI )

  5. Toma K, Suzuki S, Arakawa T, Iwasaki Y, Mitsubayashi K. External ears for non-invasive and stable monitoring of volatile organic compounds in human blood. Scientific reports. 2021.06; 11 (1): 10415. ( PubMed, DOI )

  6. Kubotera T, Oishi T, Toma K, Arakawa T, Mitsubayashi K. 唾液尿酸計測のためのBluetooth low energy無線通信式マウスピース型バイオセンサの開発 Journal of Advanced Science. 2021.04; 33 33301-1-33301-3. ( DOI )

  7. Toma K, Iwasaki K, Arakawa T, Iwasaki Y, Mitsubayashi K. Sensitive and selective methanol biosensor using two-enzyme cascade reaction and fluorometry for non-invasive assessment of intestinal bacteria activity. Biosensors & bioelectronics. 2021.03; 181 113136. ( PubMed, DOI )

  8. Toma K, Tsujii M, Arakawa T, Mitsubayashi K. Dual-target gas-phase biosensor (bio-sniffer) for assessment of lipid metabolism from breath acetone and isopropanol Sensors and Actuators B: Chemical. 2021.02; 329 129260. ( DOI )

  9. Koji Toma, Chisato Kishikawa, Takahiro Arakawa, Kohji Mitsubayashi. Reusable surface plasmon resonance immunosensor for temporal information of protein biomarkers Sensors and Materials. 2021.01; 33 251-260. ( DOI )

  10. 飯谷 健太、當麻 浩司、荒川 貴博、三林 浩二. 非侵襲生体計測のための気相用バイオセンサシステム Chemical Sensors. 2021.01; 37 (1): 2-10.

  11. Chien PJ, Suzuki T, Ye M, Toma K, Arakawa T, Iwasaki Y, Mitsubayashi K. Ultra-Sensitive Isopropanol Biochemical Gas Sensor (Bio-Sniffer) for Monitoring of Human Volatiles. Sensors (Basel, Switzerland). 2020.11; 20 (23): ( PubMed, DOI )

  12. Arakawa T, Tomoto K, Nitta H, Toma K, Takeuchi S, Sekita T, Minakuchi S, Mitsubayashi K. A Wearable Cellulose Acetate-Coated Mouthguard Biosensor for In Vivo Salivary Glucose Measurement. Analytical chemistry. 2020.09; 92 (18): 12201-12207. ( PubMed, DOI )

  13. Takahiro Arakawa, Takashi Aota, Kenta Iitani, Koji Toma, Iwasaki Y, Kohji Mitsubayash. Skin ethanol gas measurement system with a biochemical gas sensor and gas concentrator toward monitoring of blood volatile compounds Talanta. 2020.05; 115 887-895. ( DOI )

  14. Iitani K, Naisierding M, Toma K, Arakawa T, Mitsubayashi K. Evaluation for regional difference of skin-gas ethanol and sweat rate using alcohol dehydrogenase-mediated fluorometric gas-imaging system (sniff-cam). The Analyst. 2020.04; 145 (8): 2915-2924. ( PubMed, DOI )

  15. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Transcutaneous Blood VOC Imaging System (Skin-Gas Cam) with Real-Time Bio-Fluorometric Device on Rounded Skin Surface. ACS sensors. 2020.02; 5 (2): 338-345. ( PubMed, DOI )

  16. Koji Toma, Koki Oishi, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Kohji Mitsubayashi. Repeated immunosensing by a dithiobis(succinimidyl propionate)-modified SAW device. Talanta. 2019.10; 203 274-279. ( PubMed, DOI )

  17. Koji Toma, Koki Oishi, Misato Kato, Kanako Kurata, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Kiyoko Kanamori, Kohji Mitsubayashi. Precipitate-enhanced SAW immunosensor for sensitive monitoring of mite allergens Sensors and Actuators B: Chemical. 2019.10; 296 126579. ( DOI )

  18. Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Ultrasensitive sniff-cam for biofluorometric-imaging of breath ethanol caused by metabolism of intestinal flora Analytical Chemistry. 2019.08; 91 (15): 9458-9465. ( PubMed, DOI )

  19. Kenta Iitani, Yuuki Hayakawa, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Switchable sniff-cam (gas-imaging system) based on redox reactions of alcohol dehydrogenase for ethanol and acetaldehyde in exhaled breath. Talanta. 2019.05; 197 249-256. ( PubMed, DOI )

  20. Takahiro Arakawa, Takuma Suzuki, Masato Tsujii, Kenta Iitani, Po-Jen Chien, Ming Ye, Koji Toma, Yasuhiko Iwasaki, Kohji Mitsubayashi. Real-time monitoring of skin ethanol gas by a high-sensitivity gas phase biosensor (bio-sniffer) for the non-invasive evaluation of volatile blood compounds. Biosensors and Bioelectronics. 2019.03; 129 245-253. ( PubMed, DOI )

  21. Koji Toma, Fumiya Seshima, Ayumi Maruyama, Takahiro Arakawa, Kazuyoshi Yano, Kohji Mitsubayashi. Improved performance Air bio-battery based on efficient oxygen supply with a gas/liquid highly-porous diaphragm cell. Biosensors and Bioelectronics. 2019.01; 124-125 253-259. ( PubMed, DOI )

  22. Koji Toma, Keisuke Tomoto, Kumi Yokota, Nao Yasuda, Tatsuya Ishikawa, Takahiro Arakawa, and Kohji Mitsubayashi. Mouthguard controller for unconstrained controlling of external devices Sensors and Materials. 2018.12; 30 3053-3060. ( DOI )

  23. Takahiro Arakawa, Rui Xie, Fumiya Seshima, Koji Toma, Kohji Mitsubayashi. Air bio-battery with a gas/liquid porous diaphragm cell for medical and health care devices Biosensors and Bioelectronics. 2018.04; 103 171-175. ( PubMed, DOI )

  24. Kenta Iitani, Po-Jen Chien, Takuma Suzuki, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi. Fiber-optic bio-sniffer (biochemical gas sensor) using ADH reverse reaction for exhaled acetaldehyde ACS Sensors. 2018.01; 3 (2): 425-431. ( DOI )

  25. Kenta Iitani, Toshiyuki Sato, Munire Naisierding, Yuuki Hayakawa, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Fluorometric sniff-cam (gas-imaging system) utilizing alcohol dehydrogenase for imaging concentration distribution of acetaldehyde in breath and transdermal vapor after drinking Analytical Chemistry. 2018.01; 90 (4): 2678-2685. ( DOI )

  26. Koji Toma, Yume Harashima, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Kiyoko Kanamori, Kohji Mitsubayashi. Semicontinuous measurement of mite allergen (Der f 2) using a surface acoustic wave immunosensor under moderate pH for long sensor lifetime Sensors and Materials. 2017.12; 29 (12): 1679-1687. ( DOI )

  27. Chien PJ, Suzuki T, Tsujii M, Ye M, Minami I, Toda K, Otsuka H, Toma K, Arakawa T, Araki K, Iwasaki Y, Shinada K, Ogawa Y, Mitsubayashi K. Biochemical Gas Sensors (Biosniffers) Using Forward and Reverse Reactions of Secondary Alcohol Dehydrogenase for Breath Isopropanol and Acetone as Potential Volatile Biomarkers of Diabetes Mellitus. Analytical chemistry. 2017.11; 89 (22): 12261-12268. ( PubMed, DOI )

  28. Koji Toma, Daisuke Miki, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Kohji Mitsubayashi. A gold nanoparticle-assisted sensitive SAW (surface acoustic wave) immunosensor with a regeneratable surface for monitoring of dust mite allergens Sensors and Actuators B: Chemical. 2017.10; 249 685-690. ( DOI )

  29. Ming Ye, Takahiro Arakawa, Po-Jen Chien, Takuma Suzuki, Koji Toma, Kohji Mitsubayashi. Acetone biosensor based on fluorometry of reduced nicotinamide adenine dinucleotide consumption in reversible reaction by secondary alcohol dehydrogenase IEEE Sensors Journal. 2017.10; ( DOI )

  30. Koji Toma, Mai Horibe, Chisato Kishikawa, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Hiroji Shimomura, Kohji Mitsubayashi. Rapid and repetitive immunoassay with a surface acoustic wave device for monitoring of dust mite allergens Sensors and Actuators B: Chemical. 2017.09; 248 924-929. ( DOI )

  31. Kenta Iitani, Toshiyuki Sato, Munire Naisierding, Yuuki Hayakawa, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Fluorometric gas-imaging system (sniff-cam), using the extinction of NADH with an ADH reverse reaction, for acetaldehyde in the gas phase. Analyst. 2017.07; ( PubMed, DOI )

  32. Kenta Iitani, Po-Jen Chien, Takuma Suzuki, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi. Improved sensitivity of acetaldehyde biosensor by detecting ADH reverse reaction-mediated NADH fluoro-quenching for wine evaluation ACS Sensors. 2017.07; 2 (7): 940-946. ( PubMed, DOI )

  33. Po-Jen Chien, Takuma Suzuki, Masato Tsujii, Ming Ye, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi. Bio-sniffer (gas-phase biosensor) with secondary alcohol dehydrogenase (S-ADH) for determination of isopropanol in exhaled air as a potential volatile biomarker. Biosensors and Bioelectronics. 2017.05; 91 341-346. ( PubMed, DOI )

  34. Takahiro Arakawa, Toshiyuki Sato, Kenta Iitani, Koji Toma, Kohji Mitsubayashi. Fluorometric biosniffer camera “Sniff-cam” for direct imaging of gaseous ethanol in breath and transdermal vapor Analytical Chemistry. 2017.04; 89 (8): 4495-4501. ( PubMed, DOI )

  35. Hirokazu Saito, Yuki Hashimoto, Takeshi Minamide, Takuo Kon, Koji Toma, Takahiro Arakawa, and Kohji Mitsubayashi. Fiber optic bio-sniffer (biochemical gas sensor) for gaseous dimethyl sulfide Sensors and Materials. 2016; 28 (12): 1295-1301.

  36. Takahiro Arakawa, Yusuke Kuroki, Hiroki Nitta, Prem Chouhan, Koji Toma, Shin-ichi Sawada, Shuhei Takeuchi, Toshiaki Sekita, Kazunari Akiyoshi, Shunsuke Minakuchi, Kohji Mitsubayashi. Mouthguard biosensor with telemetry system for monitoring of saliva glucose: A novel cavitas sensor Biosensors and Bioelectronics. 2016; 84 106-111.

  37. Koji Toma, Kumiko Miyajima, Shin-ichi Sawada, Takahiro Arakawa, Hiroyuki Kudo, Kazunari Akiyoshi, Kohji Mitsubayashi. Direct measurement of gaseous formaldehyde from food with a fiber-optic biochemical gas sensor (bio-sniffer) Sensors and Materials. 2016; 28 (12): 1265-1272.

  38. Takahiro Arakawa, Kenta Iitani, Toshiyuki Sato, Koji Toma, Kohji Mitsubayashi. Ethanol vapor imaging system “sniffer camera” for evaluation of alcohol metabolism from breath and palm skin gas Procedia Engineering. 2016; 168 522-528. ( DOI )

  39. Po-Jen Chien, Ming Ye, Takuma Suzuki, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi. Optical isopropanol biosensor using NADH-dependent secondary alcohol dehydrogenase (S-ADH) Talanta. 2016; 159 418-424. ( DOI )

  40. Koji Toma, Yurika Suzuki, Chisato Kishikawa, Mana Saito, Kumiko Miyajima, Takahiro Arakawa, Hiroji Shimomura, Kohji Mitsubayashi. Chemifluorescent optical fiber immunosensor for on-site bioaerosol monitoring system Sensors and Materials. 2015.12; 27 (11): 1113-1122. ( DOI )

  41. Ming Ye, Po-Jen Chien, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. An acetone bio-sniffer (gas phase biosensor) enabling assessment of lipid metabolism from exhaled breath. Biosensors and Bioelectronics. 2015.11; 73 208-213. ( PubMed, DOI )

  42. Koji Toma, Daisuke Miki, Chisato Kishikawa, Naoyuki Yoshimura, Kumiko Miyajima, Takahiro Arakawa, Hiromi Yatsuda, Kohji Mitsubayashi. Repetitive immunoassay with a surface acoustic wave device and a highly stable protein monolayer for on-site monitoring of airborne dust mite allergens. Analytical Chemistry. 2015.10; 87 (20): 10470-10474. ( PubMed, DOI )

  43. Takahiro Arakawa, Kazutaka Kita, Xin Wang, Kumiko Miyajima, Koji Toma, Kohji Mitsubayashi. Chemiluminescent imaging of transpired ethanol from the palm for evaluation of alcohol metabolism. Biosensors and Bioelectronics. 2015.05; 67 570-575. ( PubMed, DOI )

  44. Munkhbayar Munkhjargal, Kohdai Hatayama, Yuki Matsuura, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Glucose-driven chemo-mechanical autonomous drug-release system with multi-enzymatic amplification toward feedback control of blood glucose in diabetes Biosensors and Bioelectronics. 2015.05; 67 315-320. ( PubMed, DOI )

  45. Takahiro Arakawa, Kenta Iitani, Xin Wang, Takumi Kajiro, Koji Toma, Kazuyoshi Yano, Kohji Mitsubayashi. A sniffer-camera for imaging of ethanol vaporization from wine: the effect of wine glass shape. Analyst. 2015.04; 140 (8): 2881-2886. ( PubMed, DOI )

  46. Jonas Albers, Koji Toma, Andreas Offenhäusser. Engineering connectivity by multiscale micropatterning of individual populations of neurons. Biotechnol J. 2014.12; 10 (2): 332-338. ( PubMed, DOI )

  47. Koji Toma, Hiroshi Kano, Andreas Offenhäusser. Label-free measurement of cell-electrode cleft gap distance with high spatial resolution surface plasmon microscopy. ACS Nano. 2014.12; 8 (12): 12612-12619. ( PubMed, DOI )

  48. Martin Bauch, Koji Toma, Mana Toma, Qingwen Zhang, Jakub Dostalek. Plasmon-Enhanced Fluorescence Biosensors: a Review PLASMONICS. 2014.08; 9 (4): 781-799. ( DOI )

  49. Koichi Okamoto, Brian Lin, Keisuke Imazu, Akihito Yoshida, Koji Toma, Mana Toma, Kaoru Tamada. Tuning Colors of Silver Nanoparticle Sheets by Multilayered Crystalline Structures on Metal Substrates Plasmonics. 2013.06; 8 (2): 581-590. ( DOI )

  50. Koji Toma, Emiliano Descrovi, Mana Toma, Mirko Ballarini, Pietro Mandracci, Fabrizio Giorgis, Anca Mateescu, Ulrich Jonas, Wolfgang Knoll, Jakub Dostálek. Bloch surface wave-enhanced fluorescence biosensor Biosensensors and Bioelectronics. 2013.05; 43 108-114. ( PubMed, DOI )

  51. Koji Toma, Milan Vala, Pavel Adam, Jiří Homola, Wolfgang Knoll, Jakub Dostálek. Compact surface plasmon-enhanced fluorescence biochip Optics Express. 2013.04; 21 (8): 10121-10132. ( PubMed )

  52. Mana Toma, Koji Toma, Pavel Adam, Jiří Homola, Wolfgang Knoll, Jakub Dostálek. Surface plasmon-coupled emission on plasmonic Bragg gratings Optics Express. 2012.06; 20 (13): 14042-14053. ( PubMed )

  53. Koji Toma, Jakub Dostalek, Wolfgang Knoll. Long range surface plasmon-coupled fluorescence emission for biosensor applications Optics Express. 2011.06; 19 (12): 11090-11099. ( PubMed )

  54. Mana Toma, Koji Toma, Kanae Michioka, Yasuhiro Ikezoe, Daiki Obara, Koichi Okamoto, Kaoru Tamada. Collective plasmon modes excited on a silver nanoparticle 2D crystalline sheet Physical Chemistry Chemical Physics. 2011.04; 13 (16): 7459-7466. ( PubMed, DOI )

  55. Satoshi Katano, Koji Toma, Mana Toma, Kaoru Tamada, Yoichi Uehara. Nanoscale coupling of photons to vibrational excitation of Ag nanoparticle 2D array studied by scanning tunneling microscope light emission spectroscopy Physical Chemistry Chemical Physics. 2010.11; 12 (44): 14749-14753. ( PubMed, DOI )

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Books etc 【 display / non-display 】

  1. Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Chapter 5 Rapid and repeated measurement of mite allergens using a surface acoustic wave (SAW) immunosensor, Immunosensors. RSC Publishing， 2019.08 (ISBN : 978-1-78801-437-3)

  2. Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. 7 Sensitive and reusable surface acoustic wave immunosensor for monitoring of airborne mite allergens, Chemical, gas, and biosensors for internet of things and related applications. Elsevier， 2019.06 (ISBN : 978-0-128-15409-0)

  3. Takahiro Arakawa, Koji Toma, Kohji Mitsubayashi. 18 Bio-sniffer and sniff-cam, Chemical, gas, and biosensors for internet of things and related applications. Elsevier， 2019.06

  4. Kohji Mitsubayashi, Koji Toma, Takahiro Arakawa. 12 Cavitas bio/chemical sensors for Internet of Things in healthcare, Chemical, gas, and biosensors for internet of things and related applications. Elsevier， 2019.06

  5. Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Modern Sensing Technologies. Springer， 2018.10 Reusable surface acoustic wave immunosensor for monitoring of mite allergens (ISBN : 978-3-319-99540-3)

  6. Koji Toma, Mana Toma, Martin Bauch, Simone Hageneder, and Jakub Dostalek. Fluorescence Biosensors Utilizing Grating-Assisted Plasmonic Amplification, Surface Plasmon Enhanced, Coupled, and Controlled Fluorescence. WILEY， 2017.03 (ISBN : 978-1-118-02793-6)

  7. Agnes T. Reiner, Koji Toma, Alain R. Brisson, Dietmar Pils, Wolfgang Knoll, Jakub Dostalek. Plasmonic Exosome Biosensors for Medical Diagnostics，Frontiers in Biophotonics for Translational Medicine. Springer， 2015.04 (ISBN : 978-981-287-626-3)

  8. Kaoru Tamada, Xinheng Li, Priastute Wulandari, Takeshi Nagahiro, Kanae Michioka, Mana Toma, Koji Toma, Daiki Obara, Takeshi Nakada, Tomohiro Hayashi, Yasuhiro Ikezoe, Masahiko Hara, Satoshi Katano, Yoichi Uehara, Yasuo Kimura, Michio Niwano, Ryugo Tero, Koichi Okamoto. Fabrication and application of plasmonic silver nanosheet, Reviews in Plasmonics 2010. Springer， 2011.10 (ISBN : 978-1-4614-0883-3)

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Conference Activities & Talks 【 display / non-display 】

  1. Kenta Iitani, Naoki Mizukoshi, Ye Ming, Kenta Ichikawa, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. SENSING AND IMAGING OF ACETONE VAPOR BASED ON ENZYMATIC BIOFLUOROMETRY. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  2. Seiya Fujino, Kumi Yokota, Kenta Ichikawa, Kenta Iitani, Koji Toma, Takahiro Arakawa, Dzung Viet Dao, Kohji Mitsubayashi. Wireless mouthguard thermistor for unconstrained monitoring of intra-oral temperature. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  3. Mako Tatemori, Kanako Iwasaki, Kenta Ichiakawa, Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Biofluorometric biosensing of methanol by using AOD-FALDH enzyme cascade reactions. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  4. Ryotaro Ishida, Kenta Ichikawa, Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Spatiotemporal gas-mapping of acetaldehydeconcentration by biofluorometric imaging system (Sniff-cam). Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  5. Shotaro Hiramatsu, Keisuke Tomoto, Kenta Ichikawa, Kenta Iitani, Koji Toma, Takahiro Arakawa, Dzung Viet Dao, Kohji Mitsubayashi. Wireless mouthguard biosensor with cellulose acetate membrane for measurement of salivary glucose concentration. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  6. Takahiro Arakawa, Riki Ishikawa, Kenta Iitani, Koji Toma, Kohji Mitsubayashi. HEADSET BIO-SNIFFER WITH WIRELESS CMOS CAMERA FOR MONITORING OF ETHANOL VAPOR FROM THE EAR CANAL. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  7. Geng Zhang, Shota Suzuki, Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi. Biofluorometric gas sensor for continuous monitoring of EtOH vapor from the ear canal. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  8. Naoya Takeda, Tsubomi Tomono, Misa Nakaya, Miwa Takano, Kenta Iitani, Kenta Ichikawa, Koji Toma, Takahiro Arakawa, Yuji Tsuchido, Kohji Mitsubayashi. ENZYME-EMBEDDED ELECTROSPUN POLYMERIC MICROFIBER SENSOR FOR FLUOROMETRIC ETHANOL GAS DETECTION. Bio4Apps 2023 2023.12.13 Gold Coast, Australia

  9. Arakawa T, Ye M, Iitani K, Toma K, Mitsubayashi K. Acetone Bio-Sniffer (Gas-Phase Biosensor) for Monitoring of Human Volatile Using Enzymatic Reaction of Secondary Alcohol Dehydrogenase. 8th International Symposium on Sensor Science 2021.05.17 online

  10. Toma K, Arakawa T, Mitsubayashi K. Self-Detachable Body Cavity Sensors with Biocompatible Materials for Medical and Healthcare. 8th International Symposium on Sensor Science 2021.05.17 online

  11. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Gas-Phase Chemical Imaging System by Biofluorometry for Human VOCs Measurement. 8th International Symposium on Sensor Science 2021.05.17 online

  12. Arakawa T, Suzuki T, Iitani K, Toma K, Mitsubayashi K. Monitoring of skin volatiles using gas-phase biosensor for the non-invasive evalution of volatile blood compounds. OPTICS＆PHOTONICS International Congress 2021 2021.04.22 online

  13. Iitani K, Toma K, Arakawa T,Mitsubayashi K. Bio-optic gas visualization system (Sniff-cam) for human volatiles. OPTICS＆PHOTONICS International Congress 2021 2021.04.22 online

  14. Toma K, Oishi K, Arakawa T, Mitsubayashi K. Surface Plasmon-Enhanced Fluorescence Biosensor for Repeated Measurement of Cardiac Marker. OPTICS＆PHOTONICS International Congress 2021 2021.04.21 online

  15. Toma K, Ye M, Arakawa T, Mitsubayashi K. Biochemical acetone gas sensor for non-invasive and real-time assessment of lipid metabolism. The 7th Joint Symposium between IBB/TMDU and Chulalongkorn University on “Biomedical Materials and Engineering” 2020.12.22 Online

  16. Toma K. 2D (concentration versus time) sensing of biochemical molecules for advanced environmental and clinical medicine. Seminar of the Petroleum and Petrochemical College, Chulalongkorn university 2020.01.15 Bangkok, Thailand

  17. Toma K, Tsujii M, Arakawa T, Mitsubayashi K. Dual-target biochemical gas sensor for assessment of lipid metabolism from breath acetone and isopropanol. The 6th Joint Symposium between IBB/TMDU and Chulalongkorn University on “Biomedical Materials and Engineering” 2020.01.14 Bangkok, Thailand

  18. Wanotayan Sittinadh, Misato Kato, Kanako Kurata, Naoyuki Yoshimura, Koji Toma, Takahiro Arakawa, Kiyoko Kanamori, Hiromi Yatsuda, Kohji Mitsubayashi. Precipitate-enhanced SAW immunosensor for sensitive mite allergen monitoring. The 6th Joint Symposium between IBB/TMDU and Chulalongkorn University on “Biomedical Materials and Engineering” 2020.01.14 Bangkok, Thailand

  19. Arakawa T, Oishi T, Tomoto K, Toma K, Mitsubayashi K. Mouthguard biosensor (cavitas sensor) toward monitoring of salivary glucose in oral cavity. Bio4Apps 2019 2019.12.20 Kagoshima, Japan

  20. Toma K, Oishi K, Kato M, Kurata K, Yoshimura N, Arakawa T, Yatsuda H, Mitsubayashi K. Precipitation-amplified surface acoustic wave immunosensor for senstive semi-continuous measurement of airborne mite allergens. Bio4Apps 2019 2019.12.18 Kagoshima, Japan

  21. Arakawa T, Iitani K, Mizukoshi N, Toma K, Mitsubayashi K. Highly sensitive fluorometric imaging system "sniff-cam" for analysis of volatile organic compounds from skin and breath. 2019 Thirteenth International Conference on Sensing Technology (ICST) 2019.12.02 Sydney, Australia

  22. Toma K, Oishi K, Wanotayan S, Arakawa T, Mitsubayashi K. Regeneratable SPF (Surface Plasmon-enhanced Fluorescence) immunosensor for monitoring of cardiac troponin. 13th Asian Conference on Chemical Sensors (ACCS 2019) 2019.11.20 Bali, Indonesia

  23. Arakawa T,Tomoto K,Ohishi T, Toma K, Mitsubayashi K. Mouthguard biosensor “cavitas sensor” for real-time and non-invasive monitoring of salivary glucose. The 4th International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development(iLIM-4) 2019.10.03 Sarajevo, Bosnia and Herzegovina

  24. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Biofluorometric gas-imaging system (Sniff-cam) for body volatiles. SEIA' 2019: 5th International Conference on Sensors and Electronic Instrumentation 2019.09.25 Canary Islands (Tenerife), Spain

  25. Toma K, Arakawa T, Mitsubayashi K. Soft contact lens type biosensor for continuous measurement of tear glucose. 8th International Conference on Advanced Technologies (ICAT) 2019.08.26 Sarajevo, Bosnia and Herzegovina

  26. Toma K, Kato M, Kurata K, Yoshimura N, Arakawa T, Yatsuda H, Kanamori K, Mitsubayashi K. Precipitate-enhanced surface acoustic wave immunosensor for on-site monitoring system of mite allergen. 10th International Conference on Molecular Electronics & BioElectronics 2019.06.25 Nara, Japan

  27. Iitani K, Sato T, Toma K, Arakawa T, Mitsubayashi K. Bio-fluorometric realtime gas-imaging system (Sniff-cam) for skin ethanol vapor. 18th International Symposium on Olfaction and Electronic Nose (ISOEN 2019) 2019.05.26 Fukuoka, Japan

  28. Iitani K, Nakaya M, Toma K, Arakawa T, Takeda N, Mitsubayashi K. Biosensing microfiber probe for real-time visual mapping of 3D distribution of human transcutaneous metabolic gases. Individual Research Workshop on Advanced Research for Aging Society 2019.05.13 Bonn, Germany

  29. Sittinadh Wanotayan, Koki Oishi, Misato Kato, Kanako Kurata, Koji Toma, Naoyuki Yoshimura, Takahiro Arakawa, Hiromi Yatsuda, Kiyoko Kanamori, Kohji Mitsubayashi. Precipitates-assisted SAW immunosensor for sensitive monitoring of mite allergen. 第66回応用物理学会春季学術講演会 2019.03.09 東京

  30. Toma K, Arakawa T, Iwasaki Y, Mitsubayashi K. Bioinert MPC polymer for stable enzyme immobilization on mouthguard biosensor in saliva glucose monitoring. KUMP International Symposium 2019 2019.01.24 Osaka, Japan

  31. Ye M, Chien PJ, Toma K, Arakawa T, Mitsubayashi K. Acetone biosniffer (gas-phase biosensor) by detecting NADH consumption for real-time breath monitoring. International conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS & Applications (Bio4Apps2018/2019) 2019.01.05 Harbin, China

  32. 當麻 浩司, 仁田 大揮, 張 志偉, 荒川 貴博, 岩﨑 泰彦, 三林 浩二. 唾液グルコースの無拘束モニタリングのための マウスガード型バイオセンサ. ライフイノベーションマテリアル創製共同研究プロジェクト 第3回生体医療・福祉材料分野全体会議 2018.12.27

  33. Toma K, Arakawa T, Mitsubayashi K. Acetone bio-sniffer (biochemical gas sensor) for breath acetone as a volatile organic compound of lipid metabolism. ICCTS 2018 (2018 7th International Conference on Computer Technology and Science) 2018.12.07 Ho Chi Minh, Vietnam

  34. Arakawa T, Ye M, Toma K, Mitsubayashi K. Soft contact lens type biosensor for continuous monitoring of tear glucose. The 3rd International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development (iLIM-3) 2018.09.05 Tokyo, Japan

  35. Toma K, Oishi K, Kodaira K, Yoshimura N, Arakawa T, Yatsuda H, Kanamori K, Mitsubayashi K. Precipitate-assisted signal amplification of surface acoustic wave immunosensor for mite allergen. 17th International Meeting on Chemical Sensors (IMCS2018) 2018.07.15 Vienna, Austria

  36. Iitani K, Hayakawa Y, Toma K, Arakawa T, Mitsubayashi K. Switchable sniff-cam (Gas-imaging system) based on pH-dependent redox reactions of alcohol dehydrogenase (ADH) between gaseous ethanol and acetaldehyde after drinking. Biosensors 2018 2018.06.12 Miami, USA

  37. Arakawa T, Suzuki T, Tujii M, Chien P-J, Ye M, Toma K, Iwasaki Y, Mitsubayashi K. Direct skin gas monitoring system using high-sensitive ethanol bio-sniffer (gas-phase biosensor) by detecting NADH consumption on enzymatic reaction. Biosensors 2018 2018.06.12 Miami, USA

  38. Toma K, Yoshimura N, Arakawa T, Yatsuda H, Mitsubayashi K. A reusable surface acoustic wave (SAW) immunosensor for monitoring of airborne mite allergens. Biosensors 2018 2018.06.12 Miami, USA

  39. Toma K, Seshima F, Maruyama A, Arakawa T, Yano K, Mitsubayashi K. Advanced glucose-driven „Air bio-battery” with closely-placed electrodes for medical and healthcare devices. Biosensors 2018 2018.06.12 Miami, USA

  40. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Gas-imaging system (sniff-cam) using NADH-dependent alcohol dehydrogenase　for assessment of alcohol metabolism. 22nd Topical Meeting of the International Society of Electrochemistry 2018.04.15 Tokyo, Japan

  41. Iitani K, Sato T, Toma K, Arakawa T, Mitsubayashi K. Biofluorometric gas-imaging system "Sniff-cam" for ethanol and acetaldehyde from body after drinking. EUROPT(R)ODE 2018 2018.03.25 Naples, Italy

  42. Toma K, Arakawa T, Mitsubayashi K. Continuous antigen sensors "Immunowatchers" for prevention of bioaerosol-associated and acute diseases. The 4th Joint Symposium between IBB/TMDU and Chulalongkorn University on “Biomedical Materials and Engineering” 2018.01.12 Bangkok, Thailand

  43. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Bio-chemical gas sensor (bio-sniffer) for breath acetaldehyde after drink. Bio4Apps2017 2017.12.11 Tokyo, Japan

  44. Aota T, Ye M, Toma K, Arakawa T, Mitsubayashi K. Acetone biosensor based on secondary alcohol dehydrogenase (S-ADH). Bio4Apps2017 2017.12.11 Tokyo, Japan

  45. Ishikawa T, Kuroki Y, Toma K, Arakawa T, Mitsubayashi K. Wireless mouthguard biosensor for measurement of saliva glucose. Bio4Apps2017 2017.12.11 Tokyo, Japan

  46. Iwasaki K, Chien PJ, Toma K, Arakawa T, Mitsubayashi K. Biochemical gas sensor (bio-sniffer) for measurement of isopropanol in human breath. Bio4Apps2017 2017.12.11 Tokyo, Japan

  47. Oishi K, Toma K, Yoshimura N, Yatsuda H, Arakawa T, Mitsubayashi K. Surface acoustic wave (SAW) immunosensor for semi-continuous measurement of anti-mouse IgG. Bio4Apps2017 2017.12.11 Tokyo, Japan

  48. Sugiyama T, Kurihara K, Toma K, Arakawa T, Mitsubayashi K. Glucose-driven decompression device assembled by dissimilar polymer joining for autonomous artificial pancreas. Bio4Apps2017 2017.12.11 Tokyo, Japan

  49. Fujimaki H, Iitani K, Sato T, Toma K, Arakawa T, Mitsubayashi K. Bio-fluorometric imaging system “Sniff-cam” for gaseous ethanol. Bio4Apps2017 2017.12.11 Tokyo, Japan

  50. Yasuda N, Tomoto K, Yokota K, Toma K, Arakawa T, Mitsubayashi K. Mouthguard type controller with BLE wireless transmission for external equipment. Bio4Apps2017 2017.12.11 Tokyo, Japan

  51. Yokota K, Toma K, Arakawa T, Iwasaki Y, Mitsubayashi K. A mouthguard biosensor with GOD membrane immobilized by UV curable MPC polymer for saliva glucose monitoring. Bio4Apps2017 2017.12.11 Tokyo, Japan

  52. Toma K, Oishi K, Yoshimura N, Yatsuda H, Arakawa T, Mitsubayashi K. Regeneratable surface acoustic wave (saw) immunosensor for monitoring of physiological information. 2017 Eleventh International Conference on Sensing Technology (ICST) 2017.12.04 Sydney, Australia

  53. Toma K, Yoshimura N, Arakawa T, Yatsuda H, Mitsubayashi K. Semi-continuous immunosensing for monitoring in clinical and environmental medicine. International Workshop "Frontiers in materials, sensors, and devices for humanophilic innovation” 2017.11.20 Nara, Japan

  54. Iitani K, Naisierding M, Hayakawa Y, Toma K, Arakawa T, Mitsubayashi K. Volatile imaging system “Sniff-cam” using alcohol dehydrogenase for ethanol and acetaldehyde after drinking. The 12th Asian Conference on Chemical Sensors (ACCS2017) 2017.11.12 Hanoi, Vietnam

  55. Toma K, Yoshimura N, Arakawa T, Yatsuda H, Mitsubayashi K. Reusable immunosensors allowing semi-continuous measurement for clinical and environmental medicine. The 2nd International Symposium on Biomedical Engineering 2017.11.09 Tokyo, Japan

  56. Oishi K, Suzuki Y, Toma K, Arakawa T, Kanamori K, Mitsubayashi K. A chemifluorometric fiber-optic immunosensor for sensitive detection of influenza virus. The 2nd International Symposium on Biomedical Engineering 2017.11.09 Tokyo, Japan

  57. Sugiyama T, Munkhjargal M, Arakawa T, Yano K, Mitsubayashi K. A co-immobilized enzyme membrane for advancing chemo-mechanical drug-release system for diabetes. The 2nd International Symposium on Biomedical Engineering 2017.11.09 Tokyo, Japan

  58. Iitani K, Toma K, Arakawa T, Mitsubayashi K. Gas-imaging system “Sniff-cam” based on pH-dependent redox reaction of alcohol dehydrogenase for ethanol and acetaldehyde after drinking. Irago 2017 2017.11.01 Tokyo, Japan

  59. Toma K, Arakawa T, Mitsubayashi K. UV curable MPC polymer for stable enzyme immobilization on a mouthguard biosensor in saliva glucose monitoring. 3rd International Conference on Bioinspired and Zwitterionic Materials (ICBZM 2017) 2017.10.18 Kanagawa, Japan

  60. Toma K, Tomoto K, Zhang Z, Nitta H, Arakawa T, Takeuchi S, Sekita T, Minakuchi S, Mitsubayashi K. Mouthguard biosensor integrated with BLE telemetry system for monitoring human oral information. The 2nd International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development (iLIM-2) 2017.09.30 Nagoya, Japan

  61. Sato T, Iitani K, Toma K, Arakawa T, Mitsubayashi K. Sniff-cam (fluorometric gas-imaging system) with enzyme mesh for gaseous ethanol from human body (breath, skin). EuroAnalysis 2017 2017.08.28 Stockholm, Sweden

  62. Toma K, Kishikawa C, Arakawa T, Mitsubayashi K. Regeneratable surface plasmon resonance immunosensor for monitoring in medical care and environmental medicine. 9th International Conference on Molecular Electronics and Bioelectronics 2017.06.26 Kanazawa, Japan

  63. Chien PJ, Ming Y, Tsujii M, Suzuki T, Toma K, Arakawa T, Mitsubayashi K. An optical bio-sniffer for exhaled acetone as a potential biomarker of lipid metabolism. 2017 E-MRS Spring Meeting and Exhibit 2017.05.22 Strasbourg, France

  64. Toma K, Kishikawa C, Arakawa T, Mitsubayashi K. Regenerable and antibody-immobilized surface architecture on surface plasmon biosensor for continuous immunosensing. 5th International Conference on Bio-Sensing Technology 2017.05.07 Riva del Garda, Italy

  65. Xie R, Seshima F, Toma K, Arakawa T, Mitsubayashi K. Air bio-battery with a gas/liquid diaphragm cell for medical and health care devices. 5th International Conference on Bio-Sensing Technology 2017.05.07 Riva del Garda, Italy

  66. Chien PJ, Suzuki T, Tsujii M, Ming Y, Toma K, Arakawa T, Iwasaki Y, Mitsubayashi K. Gas phase biosensor (bio-sniffer) using S-ADH (secondary alcohol dehydrogenase) for exhaled isopropanol as a potential volatile biomarker. 5th International Conference on Bio-Sensing Technology 2017.05.07 Riva del Garda, Italy

  67. Arakawa T, Tomoto K, Zhang Z, Nitta H, Toma K, Takeuchi S, Sekita T, Minakuchi S, Mitsubayashi K. Mouthguard biosensor integrated with wireless module for monitoring human oral information. 2017 International Conference on Electronics Packaging 2017.04.19 Yamagata, Japan

  68. Toma K, Arakawa T, Mitsubayashi K. Cavitas sensors into human cavities: soft-contact lens and mouthguard sensors. 19th International Conference on Biomedical Device and Instrumentation Development (ICBDID 2017) 2017.03.26 Madrid, Spain

  69. Toma K, Horibe M, Kishikawa C, Yoshimura N, Arakawa T, Yatsuda H, Shimomura H, Mitsubayashi K. Rapid measurement of mite allergens by a surface acoustic wave (SAW) immunosensor for airborne allergen monitoring. Bio4Apps2016 2016.12.14 Gold coast, Australia

  70. Chien P J, Ye M, Suzuki T, Tsujii M, Toma K, Arakawa T, Mitsubayashi K. Fluorometric acetone bio-sniffer enabling breath analysis for non-invasive assessment of lipid metabolism. ISLS2016 2016.11.22 Taipei, Taiwan

  71. Kishikawa C, Miki D, Miyajima K, Yoshimura N, Yatsuda H, Toma K, Arakawa T, Mitsubayashi K. SAW immunosensor for on-site monitoring of airborne mite allergen Der f 1 in residential environment. International Symposium on Biomedical Engineering 2016.11.10 Tokyo, Japan

  72. Chien PJ, Ye M, Suzuki T, Toma K, Arakawa T, Mitsubayashi K. Fluorometric bio-sniffer (biochemical gas sensor) for breath acetone as a volatile indicator of lipid metabolism. BioPhotonics Australasia 2016 2016.10.17 Adelaide, Australia

  73. Toma K, Nitta H, Zhang Z, Tomoto K, Shintani Y, Takeuchi S, Arakawa T, Sekita T, Iwasaki Y, Kawarada H, Minakuchi S, Mitsubayashi K. A Mouthguard Biosensor Using UV Curable Biocompatible Polymer for Stable Enzyme Immobilization in Saliva Glucose Monitoring. The 1st International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development (iLIM-1) 2016.10.17 Osaka, Japan

  74. Iitani K, Naisierding M, Sato T, Toma K, Arakawa T, Mitsubayashi K. Sniff-Cam (Bio-Fluorometric Gas-Imaging System) for Breath Acetaldehyde after Drinking. PRiME 2016 2016.10.02 Honolulu, USA

  75. Chien P J, Ye M, Suzuki T, Toma K, Arakawa T, Mitsubayashi K. Fluorometric Bio-Sniffer (Gas Phase Biosensor) for Breath Acetone as a Volatile Product of Lipid Metabolism. PRiME 2016 2016.10.02 Honolulu, USA

  76. Arakawa T, Iitani K, Sato T, Toma K, Mitsubayashi K. Ethanol vapor imaging system “sniffer camera” for evaluation of alcohol metabolism from breath and palm skin gas. Eurosensors2016 2016.09.04 Budapest, Hungary

  77. Arakawa T, Iitani K, Sato T, Naisierding M, Toma K, Mitsubayashi K. Fluorometric imaging system "Sniffer-cam" for human breath and skin gas in evaluation of alcohol metabolism. 2016 International Conference on Optical MEMS and Nanophotonics 2016.07.31 Singapore

  78. Kuroki Y, Nitta H, Toma K, Arakawa T, Mitsubayashi K. A mouthguard glucose sensor for monitoring of saliva sugar with ble telemetry system. 2016 IEEE Sixth International Conference on Communications and Electronics 2016.07.27 Ha Long Bay, Vietnam

  79. Toma K, Miki D, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. A regeneratable SAW ( Surface Acoustic Wave) immunosensor for repetitive measurement of dust mite allergen. IMCS2016 2016.07.10 Jeju, Korea

  80. Iitani K, Naisierding M, Sato T, Toma K, Arakawa T, Mitsubayashi K. Gas-phase imaging system “sniff-camera” using enzyme mesh for breath acetaldehyde after drinking. IMCS2016 2016.07.10 Jeju, Korea

  81. Chien PJ, Ye M, Suzuki T, Toma K, Arakawa T, Mitsubayashi K. Gas phase biosensor “bio-sniffer” for acetone measurement and exhaled breath analysis. APCOT2016 2016.06.26 Kanazawa, Japan

  82. Iitani K, Naisierding M, Sato T, Toma K, Arakawa T, Mitsubayashi K. Sniff-cam (gaseous chemical imaging system) for breath acetaldehyde as a metabolite of ethanol after drinking. APCOT2016 2016.06.26 Kanazawa, Japan

  83. Ye M, Chien PJ, Suzuki T, Toma K, Sawada S, Arakawa T, Akiyoshi K, Mitsubayashi K. Acetone biosniffer (gas-phase biosensor) by detecting NADH consumption on S-ADH reverse reaction for real-time breath monitoring. Biosensors 2016 2016.05.25 Gothenburg, Sweden

  84. Arakawa T, Iitani K, Sato T, Toma K, Mitsubayashi K. 2D fluorometric sniff-cam with ADH immobilized mesh and UV-LED sheet for gaseous ethanol imaging from a palm skin. Biosensors 2016 2016.05.25 Gothenburg, Sweden

  85. Arakawa T, Kuroki Y, Nitta H, Toma K, Sawada S, Takeuchi S, Sekita T, Akiyoshi K, Minakuchi S, Mitsubayashi K. A wireless (BLE) mouthguard-biosensor with dental materials for real-time measurement of saliva glucose in oral cavity. Biosensors 2016 2016.05.25 Gothenburg, Sweden

  86. Toma K, Miki D, Kishikawa C, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. A surface acoustic wave (SAW) immunosensor with a regeneratable surface enabling repetitive measurement of dust mite allergens. Biosensors 2016 2016.05.25 Gothenburg, Sweden

  87. Toma K, Arakawa T, Mitsubayashi K. Advanced immunosensors for health care and clinical medicine. EPFL, Tokyo Tech, TMDU Joint Workshop 2016.04.19 Tokyo, Japan

  88. Toma K, Suzuki Y, Saito M, Miyajima K, Arakawa T, Shimomura H, Mitsubayashi K. A chemi-fluorescence immunosensor with disposable PMMA fiber for detection of influenza viruses. EUROPT(R)ODE XIII 2016.03.20 Graz, Austria

  89. Arakawa T, Kuroki Y, Nitta H, Toma K, Takeuchi S, Sekita T, Mizukuchi S, Mitsubayashi K. Non-invasive mouth guard biosensor for continuous measurement of saliva glucose. Pacifichem 2015 2015.12.15 Hawaii, USA

  90. Toma K, Miki D, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. Repetitive immunosensing with a highly stable protein monolayer and surface acoustic wave device for allergen monitoring. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  91. Toma K, Kano H, Offenhausser A. Label-free high resolution surface plasmon microscopy for quantitative cell-gold interface investigation. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  92. Ye M, Chien PJ, Toma K, Arakawa T, Mitsubayashi K. Fiber-optic biochemical acetone gas sensor (bio-sniffer) for assessment of lipid metabolism from exhaled breath. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  93. Xie R, Kurihara K, Munkhbayar M, Toma K, Arakawa T, Mitsubayashi K. Glucose-driven chemo-mechanical autonomous drug-release system toward feedback control of blood glucose in diabetes. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  94. Chien PJ, Ye M, Toma K, Arakawa T, Mitsubayashi K. 2-Propanol fluorometric biosensor based on secondary-alcohol dehydrogenase (S-ADH) for clinical diagnosis of ketoacidosis. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  95. Chien PJ, Ye M, Iitani K, Sato T, Toma K, Arakawa T, Mitsubayashi K. Ethanol vapor imaging system “sniffer camera” with UV-LED excitation sheet for monitoring of alcohol metabolism from human. The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem) 2015 2015.12.15 Hawaii, USA

  96. Toma K, Miki D, Kishikawa C, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. A surface acoustic wave biosensor allowing repetitive immunoassay for dust mite allergen monitoring. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2015 2015.12.09 Fukuoka, Japan

  97. Hashimoto Y, Minamide T, Kon T, Toma K, Arakawa T, Saito H, Mitsubayashi K. An optical bio-sniffer for dimethyl sulfide in the gas phase. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2015 2015.12.09 Fukuoka, Japan

  98. Arakawa T, Kuroki Y, Nitta H, Toma K, Takeuchi S, Sekita T, Minakuchi S, Mitsubayashi K. Mouth guard type biosensor “cavitous sensor” for monitoring of saliva glucose with telemetry system. The 9th International Conference on Sensing Technology, ICST 2015 2015.12.08 Auckland, New Zealand

  99. Arakawa T, Iitani K, Sato T, Toma K, Mitsubayashi K. A two-dimensional fluorometric imaging “sniffer camera” of ethanol vapor for evaluation of alcohol metabolism using enzymatic reaction. IEEE SENSORS 2015 2015.11.01 Busan, South Korea

  100. Sato T, Iitani K, Toma K, Arakawa T, Mitsubayashi K. Sniff-camera for imaging of ethanol vapor in human body gases after drinking. ICAVS 2015 : 17th International Conference on Animal and Veterinary Sciences 2015.09.07 Geneva, Switzerland

  101. Toma K, Miki D, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. Repetitive immunoassay with a regeneration resistant protein and surface acoustic wave device for allergen monitoring. EuroAnalysis 2015 2015.09.06 Bordeaux, France

  102. Mitsubayashi K, Wang X, Kajiro T, Toma K, Yano K, Arakawa T. Wine aroma behavior and glass effect analyzed by sniff-camera. EuroAnalysis 2015 2015.09.06 Bordeaux, France

  103. Arakawa T, Iitani K, Sato T, Toma K, Mitsubayashi. Sniff-Camera For Imaging of Gaseous Ethanol From Palm Skin After Drinking. 4th International Symposium on Sensor Science (I3S 2015) 2015.07.13 Basel, Switzerland

  104. Arakawa T, Iitani K, Sato T, Toma K, Mitsubayashi. Sniff-Camera For Imaging of Gaseous Ethanol From Palm Skin After Drinking. 4th International Symposium on Sensor Science (I3S 2015) 2015.07.13 Basel, Switzerland

  105. Arakawa T, Toma K, Mitsubayashi K. Cavitas sensors (mouth guard and soft contact lens biosensors) for non-invasive monitoring of saliva and tear glucose. The 6th International Symposium on Advanced Materials Development and Integration of Novel Structural Metallic and Inorganic Materials (AMDI-6) 2015.06.09 Tokyo, Japan

  106. Arakawa T, Kuroki Y, Nitta H, Toma K, Takeuchi S, Sekita T, Minakuchi S, Mitsubayashi K. Mouth guard biosensor for non-restraint monitoring of saliva glucose with telemetry system. 4th International Conference on Bio-Sensing Technology 2015.05.10 Lisbon, Portugal

  107. Arakawa T, Sato T, Iitani K, Toma K, Mitsubayashi K. Fluorometric biosniffer camera (gas-imaging system) with UV-LED excitation sheet for transdermal ethanol vapor from palm skin surface. 4th International Conference on Bio-Sensing Technology 2015.05.10 Lisbon, Portugal

  108. Toma K, Suzuki Y, Saito M, Miyajima K, Arakawa T, Shimomura H, Mitsubayashi K. Fiber-optic immunosensor for detection of airborne influenza viruses. 4th International Conference on Bio-Sensing Technology 2015.05.10 Lisbon, Portugal

  109. Toma K, Miki D, Yoshimura N, Miyajima K, Arakawa T, Yatsuda H, Mitsubayashi K. Repetitive measurement of house dust mites (Der f1) with surface acoustic wave (SAW) immunosensor for on-site monitoring of indoor allergens. 4th International Conference on Bio-Sensing Technology 2015.05.10 Lisbon, Portugal

  110. Munkhjargal M, Toma K, Arakawa T, Mitsubayashi K. Organic engine" (chemo-mechanical machine) with artificial active transportation for autonomous drug release system (novel artificial pancreas). 2015 MRS Spring Meeting & Exhibit 2015.04.06 San Francisco, USA

  111. Toma K, Kano H, Offenhausser A. Label-free measurement of cell-gold cleft gap distance using surface plasmon microscopy. Pittcon 2015 2015.03.08 New Orleans, USA

  112. Toma K, Ye M, Sawada S, Arakawa T, Kudo H, Akiyoshi K, Mitsubayashi K. Biochemical gas sensor (Bio-Sniffer) for detection of formaldehyde from food sample. Pittcon 2015 2015.03.08 New Orleans, USA

  113. Jen Chien P, Mori H, Ye M, Toma K, Sawada S, Arakawa T, Akiyoshi K, Mitsubayashi K. Bio-sniffer (biochemical gas sensor) with fiber-optic fluorometry for odorless formaldehyde vapor in residential atmosphere. DOS 2014 2014.12.08 Tokyo, Japan

  114. Arakawa T, Sato T, Wang X, Kita K, Munkbayar M, Toma K, Mitsubayashi K. “Scent camera” for real-time imaging of breath (body) ethanol after alcohol drinking. DOS 2014 2014.12.08 Tokyo, Japan

  115. Jen Chien P, Mori H, Ye M, Toma K, Sawada S, Arakawa T, Akiyoshi K, Mitsubayashi K. Bio-sniffer (biochemical gas sensor) with fiber-optic fluorometry for odorless formaldehyde vapor in residential atmosphere. DOS 2014 2014.12.08

  116. Arakawa T, Kuroki Y, Nitta H, Toma K, Mitsubayashi K. Mouth guard-type biosensor for monitoring of saliva glucose. International Conference on BioSensors BioElectronics BioMedical Devices BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  117. Jen Chien P, Miyajima K, Munkhjargal M, Toma K, Arakawa T, Kudo H, Mitsubayashi K. Highly sensitive fiber-optic formaldehyde gas sensor (biosniffer) for food-sample detection. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  118. Miyajima K, Arai M, Toma K, Arakawa T, Shimomura H, Mitsubayashi K. Fiber-optic Immunosensing device for house dust mite allergen in air, International Conference on BioSensors. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  119. Xie R, Takagi H, Munkhjargal M, Toma K, Arakawa T, Mitsubayashi K. Glucose sensing and driven autonomous drug release system (artificial pancreas) for diabetes. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  120. Arakawa T, Kita K, Wang X, Miyajima K, Toma K, Mitsubayashi K. Gaseous ethanol imaging systemfrom human breath and skin for evaluation of alcohol metabolism. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  121. Toma K, Suzuki Y, Miyajima K, Arakawa T, Kudo H, Mitsubayashi K. Biochemical gas sensor (Bio-Sniffer) for monitoring formaldehyde in indoor air, International Conference on BioSensors. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  122. Toma K, Kano H, Offenhausser A. Label-free investigation of cell-electrode interface with surface plasmon microscopy. International Conference on BioSensors, BioElectronics, BioMedical Devices, BioMEMS/NEMS and Applications (Bio4Apps) 2014 2014.11.17 Shanghai, China

  123. Toma K. High resolution surface plasmon microscopy for real-time observation of the cell-electrode interface. 先導研ソフトマテリアル若手ワークショップ 2013.12 Hukuoka, Japan

  124. Toma K, Vala M, Adam P, Homola J, Knoll W, Dostalek J. Novel portable biosensor based on plasmon-enhanced fluorescence. Gordon Research Conference on Biointerface Science 2012.05 Les Diablerets, Switzerland

  125. Toma K, Vala M, Adam P, Homola J, Knoll W, Dostalek J. Plasmon-enhanced fluorescence for portable biosensor devices. EUROPT(R)ODE XI 2012.04 Barcelona, Spain

  126. Toma K, Dostalek J, Knoll W. Long range surface plasmon-coupled fluorescence emission for biosensor application. The 5th International Conference on Surface Plasmon Photonics (SPP5) 2011.05 Busan, South Korea

  127. Sato T, Wang X, Miyajima K, Toma K, Munkhjargal M, Arakawa T, Mitsubayashi K. Breath alcohol imaging with enzyme mesh after drinking. Breath Analysis 2014 2010.04.07 Torun, Poland

  128. Toma K, Dostalek J, Knoll W. Surface plasmon-mediated fluorescence spectroscopy for ultra sensitive biosensors. EUROPT(R)ODE X 2010.03 Prague, Czech Republic

  129. Otsuka K, Michioka K, Li X, Keum C, Tamada K. Interactions between Silver nanoparticle arrays and Metal thin films. Fifth International conference on Molecular Electronics and Bioelectronics 2009.03 Miyazaki, Japan

  130. Otsuka K, Saito M, Ikezoe Y, Michioka K, Keum C, Tamada K. Interactions between Silver Nanosheet and Metal thin films. The 4th International Symposium on Medical, Bio- and Nano-Electronics 2009.03 Sendai, Japan

  131. Otsuka K, Saito M, Michioka K, Keum C, Tamada K. Optical properties of silver nanoparticle arrays with thin metallic film. The 5th International Symposium on Surface Science and Nanotechnology 2008.11 Tokyo, Japan

  132. Otsuka K, Michioka K, Li X, Keum C, Tamada K. Optical properties of silver nanosheet. The 3rd International Symposium on Medical, Bio- and Nano-Electronics 2008.03 Sendai, Japan

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Patents 【 display / non-display 】

  • Compact plasmon-enhanced fluorescence biosensor

    Announcement Number： WO2013171197 A1

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Campus class subject 【 display / non-display 】

  • Advanced Biosensing Devices，2018 - Now

  • Biomedical Engineering，2015 - Now

  • Biomedical Device Science and Engineering，2015 - 2018

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