Publications

PDF files are available.

Book

2022

6.
Technology Roadmap 2023-2032

Kenta Iitani, Kohji Mitsubayashi

Technology Roadmap 2023-2032
Book ChapterFirst AuthorIn Japanese

In: Chapter 6-9, pp. 274–275, Nikkei BP, 2022.

BibTeX

5.
Encyclopedia of Sensors and Biosensors

Takahiro Arakawa, Kenta Iitani, Koji Toma, Kohji Mitsubayashi

Encyclopedia of Sensors and Biosensors
Book ChapterReview

In: Roger Narayan, Kazunori Ikebukuro (Ed.): vol. 1, Chapter Biosensors: Gas Sensors, pp. 478–504, Elsevier, 2022.

Abstract | Links | BibTeX

4.
Forefront of the Science of Palatability and their Business

Kohji MItsubayashi, Kenta Iitani, Koji Toma, Takahiro Arakawa

Forefront of the Science of Palatability and their Business
Book ChapterIn Japanese

In: Toko, Kiyoshi; Kashiwayanagi, Makoto (Ed.): Chapter 5, pp. 107–119, CMC Publishing, 2022, ISBN: 978-4-7813-1675-8.

Links | BibTeX

3.
Enzyme Biotechnology Based on Biosensor and Biofuel Cell for Digital Health in the Near Future

Takahiro Arakawa, Kenta Iitani, Koji Toma, Kohji Mitsubayashi

Enzyme Biotechnology Based on Biosensor and Biofuel Cell for Digital Health in the Near Future
Book ChapterIn Japanese

In: Chapter 3, pp. 160-170, CMC Publishing, 2022, ISBN: 978-4-7813-1660-4.

Links | BibTeX

2021

2.
Advanced Remote Sensing for Supporting Telework

Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

Advanced Remote Sensing for Supporting Telework
Book ChapterFirst AuthorIn Japanese

In: Chapter 6, pp. 59-70, CMC Publishing, 2021, ISBN: 978-4-7813-1602-4.

Links | BibTeX

2020

1.
Enzyme Transducers and Evolutions of Enzymatic Technology―Enzyme Sensors, Bio Batteries and Novel Enzymatic Approaches (Food, Medicine, Restoring) ―

Kenta Iitani, Takahiro Arakawa, Koji Toma, Kohji Mitsubayashi

Enzyme Transducers and Evolutions of Enzymatic Technology―Enzyme Sensors, Bio Batteries and Novel Enzymatic Approaches (Food, Medicine, Restoring) ―
Book ChapterFirst AuthorIn Japanese

In: Chapter 3, pp. 23–35, CMC Publishing, 2020, ISBN: 978-4-7813-1488-4.

Links | BibTeX

Journal Article

2023

27.
Real-Time Continuous Monitoring of Oral Soft Tissue Pressure with a Wireless Mouthguard Device for Assessing Tongue Thrusting Habits

Hidekazu Matsumoto, Keisuke Tomoto, Gentaro Kawase, Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi, Keiji Moriyama

Real-Time Continuous Monitoring of Oral Soft Tissue Pressure with a Wireless Mouthguard Device for Assessing Tongue Thrusting Habits
Journal ArticleOpen Access

In: Sensors, vol. 23, iss. 11, pp. 5027, 2023.

Abstract | Links | BibTeX

26.
Wireless Unconstrained Monitoring of Intra-oral Temperature Using Thermistor and Telemeter Sealed in Mouthguard

Kenta Iitani, Kanako Kishima, Yuka Kasuga, Kumi Yokota, Hiroki Nitta, Kohki Onchi, Gentaro Kawase, Kouta Umezawa, Koji Toma, Takahiro Arakawa, Dzung Viet Dao,, Kohji Mitsubayashi

Wireless Unconstrained Monitoring of Intra-oral Temperature Using Thermistor and Telemeter Sealed in Mouthguard
Journal ArticleFirst AuthorOpen Access

In: Sensors and Materials, vol. 35, iss. 4, pp. 1315–1325, 2023, (This paper was selected for a part of the journal cover.).

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2022

25.
Long-range surface plasmon aptasensor for label-free monitoring of vancomycin

Koji Toma, Yui Satomura, Kenta Iitani, Takahiro Arakawa, Kohji Mitsubayashi

Long-range surface plasmon aptasensor for label-free monitoring of vancomycin
Journal Article

In: Biosensors and Bioelectronics, pp. 114959, 2022.

Abstract | Links | BibTeX

24.
Enzyme-embedded electrospun fiber sensor of hydrophilic polymer for fluorometric ethanol gas imaging in vapor phase

Kenta Iitani, Nakaya Misa, Tomono Tsubomi, Koji Toma, Takahiro Arakawa, Yuji Tsuchido, Kohji Mitsubayashi, Naoya Takeda

Enzyme-embedded electrospun fiber sensor of hydrophilic polymer for fluorometric ethanol gas imaging in vapor phase
Journal ArticleFirst Author

In: Biosensors and Bioelectronics, vol. 213, pp. 114453, 2022, (This paper was introduced in news outlets.).

Abstract | Links | BibTeX

23.
Gas-phase biosensors: A review

Kohji Mitsubayashi, Koji Toma, Kenta Iitani, Takahiro Arakawa

Gas-phase biosensors: A review
Journal ArticleReview

In: Sensors and Actuators B: Chemical, vol. 367, pp. 132053, 2022.

Abstract | Links | BibTeX

22.
An enzyme immobilized mesh for bio-fluorometric acetone gas-imaging camera

Kenta IItani, Mika Suzuk, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

An enzyme immobilized mesh for bio-fluorometric acetone gas-imaging camera
Journal ArticleFirst AuthorIn Japanese

In: IEEJ Transactions on Sensors and Micromachines, vol. 142, iss. 7, pp. 166–167, 2022, (Letter).

Abstract | Links | BibTeX

21.
Mouthguard type biosensor for wireless measurement of salivary uric acid

Gentaro Kawase, Takumi Oishi, Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

Mouthguard type biosensor for wireless measurement of salivary uric acid
Journal ArticleOpen AccessIn Japanese

In: Journal of Advanced Science, vol. 34, pp. 34301, 2022, (Letter).

Abstract | Links | BibTeX

20.
Surface plasmon-enhanced fluorescence immunosensor for monitoring cardiac troponin I

Koji Toma, Koki Oishi, Kenta Iitani, Takahiro Arakawa, Kohji Mitsubayashi

Surface plasmon-enhanced fluorescence immunosensor for monitoring cardiac troponin I
Journal Article

In: Sensors and Actuators B: Chemical, vol. 368, pp. 132132, 2022.

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19.
Headset bio-sniffer with wireless CMOS camera for percutaneous ethanol vapor from the ear canal

Takahiro Arakawa, Riki Ishikawa, Kenta Iitani, Koji Toma, Yasuhiko Iwasaki, Kohji Mitsubayashi

Headset bio-sniffer with wireless CMOS camera for percutaneous ethanol vapor from the ear canal
Journal ArticleOpen Access

In: Biosensors and Bioelectronics: X, vol. 11, pp. 100169, 2022.

Abstract | Links | BibTeX

2021

18.
What Do Masks Mask? A Study on Transdermal CO2 Monitoring

Kenta Iitani, Joel Tyson, Samyukta Rao, Sai Sathish Ramamurthy, Xudong Ge, Govind Rao

What Do Masks Mask? A Study on Transdermal CO2 Monitoring
Journal ArticleFirst Author

In: Medical Engineering & Physics, vol. 98, pp. 50-56, 2021.

Abstract | Links | BibTeX

17.
A Bio-Fluorometric Acetone Gas Imaging System for the Dynamic Analysis of Lipid Metabolism in Human Breath

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
Journal ArticleOpen Access

In: Chemosensors, vol. 9, no. 9, pp. 258, 2021.

Abstract | Links | BibTeX

16.
Transdermal sensing: in-situ non-invasive techniques for monitoring of human biochemical status

Kenta Iitani, Sai Sathish Ramamurthy, Xudong Ge, Govind Rao

Transdermal sensing: in-situ non-invasive techniques for monitoring of human biochemical status
Journal ArticleFirst AuthorReview

In: Curent Opinion in Biotechnology, vol. 71, pp. 198-205, 2021.

Abstract | Links | BibTeX

15.
Biochemical Methanol Gas Sensor (MeOH Bio-Sniffer) for Non-Invasive Assessment of Intestinal Flora from Breath Methanol

Koji Toma, Kanako Iwasaki, Geng Zhang, Kenta Iitani, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi

Biochemical Methanol Gas Sensor (MeOH Bio-Sniffer) for Non-Invasive Assessment of Intestinal Flora from Breath Methanol
Journal ArticleOpen Access

In: Sensors (Basel), vol. 21, no. 14, pp. 4897, 2021.

Abstract | Links | BibTeX

2020

14.
Skin ethanol gas measurement system with a biochemical gas sensor and gas concentrator toward monitoring of blood volatile compounds

Takahiro Arakawa, Takashi Aota, Kenta Iitani, Koji Toma, Yasuhiko Iwasaki, Kohji Mitsubayashi

Skin ethanol gas measurement system with a biochemical gas sensor and gas concentrator toward monitoring of blood volatile compounds
Journal Article

In: Talanta, vol. 219, pp. 121187, 2020.

Abstract | Links | BibTeX

13.
Biochemical Gas Sensor and Gas Imaging System for Non-invasive Screening: A Review

Takahiro Arakawa, Kenta Iitani, Koji Toma, Kohji Mitsubayashi

Biochemical Gas Sensor and Gas Imaging System for Non-invasive Screening: A Review
Journal ArticleReviewIn Japanese

In: IEEJ Transactions on Sensors and Micromachines, vol. 140, no. 11, pp. 321–327, 2020.

Abstract | Links | BibTeX

12.
Evaluation for regional difference of skin-gas ethanol and sweat rate using alcohol dehydrogenase-mediated fluorometric gas-imaging system (sniff-cam)

Kenta Iitani, Munire Naisierding, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

Evaluation for regional difference of skin-gas ethanol and sweat rate using alcohol dehydrogenase-mediated fluorometric gas-imaging system (sniff-cam)
Journal ArticleFirst Author

In: Analyst, vol. 145, no. 8, pp. 2915–2924, 2020, (This paper is selected for the cover.).

Abstract | Links | BibTeX

11.
Transcutaneous Blood VOC Imaging System (Skin-Gas Cam) with Real-Time Bio-Fluorometric Device on Rounded Skin Surface

Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

Transcutaneous Blood VOC Imaging System (Skin-Gas Cam) with Real-Time Bio-Fluorometric Device on Rounded Skin Surface
Journal ArticleFirst Author

In: ACS Sensors, vol. 5, no. 2, pp. 338–345, 2020, (This paper is selected for the journal cover. Picked up in News outlets.).

Abstract | Links | BibTeX

2019

10.
Ultrasensitive Sniff-Cam for Biofluorometric-Imaging of Breath Ethanol Caused by Metabolism of Intestinal Flora

Kenta Iitani, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

Ultrasensitive Sniff-Cam for Biofluorometric-Imaging of Breath Ethanol Caused by Metabolism of Intestinal Flora
Journal ArticleFirst Author

In: Analytical Chemistry, vol. 91, no. 15, pp. 9458–9465, 2019, (This paper introduced in the ACS PressPac.).

Abstract | Links | BibTeX

9.
Switchable sniff-cam (gas-imaging system) based on redox reactions of alcohol dehydrogenase for ethanol and acetaldehyde in exhaled breath

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
Journal ArticleFirst Author

In: Talanta, vol. 197, pp. 249–256, 2019.

Abstract | Links | BibTeX

8.
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

Takahiro Arakawa, Takuma Suzuki, Masato Suzuki, 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
Journal Article

In: Biosensors and Bioelectronics, vol. 129, pp. 245–253, 2019.

Abstract | Links | BibTeX

2018

7.
Fiber-Optic Bio-sniffer (Biochemical Gas Sensor) Using Reverse Reaction of Alcohol Dehydrogenase for Exhaled Acetaldehyde

Kenta Iitani, Po-Jen Chien, Takuma Suzuki, Koji Toma, Takahiro Arakawa, Yasuhiko Iwasaki, Kohji Mitsubayashi

Fiber-Optic Bio-sniffer (Biochemical Gas Sensor) Using Reverse Reaction of Alcohol Dehydrogenase for Exhaled Acetaldehyde
Journal ArticleFirst Author

In: ACS Sensors, vol. 3, no. 2, pp. 425–431, 2018.

Abstract | Links | BibTeX

6.
Fluorometric Sniff-Cam (Gas-Imaging System) Utilizing Alcohol Dehydrogenase for Imaging Concentration Distribution of Acetaldehyde in Breath and Transdermal Vapor after Drinking

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
Journal ArticleFirst Author

In: Analytical Chemistry, vol. 90, no. 4, pp. 2678–2685, 2018.

Abstract | Links | BibTeX

2017

5.
Improved Sensitivity of Acetaldehyde Biosensor by Detecting ADH Reverse Reaction-Mediated NADH Fluoro-Quenching for Wine Evaluation

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
Journal ArticleFirst Author

In: ACS Sensors, vol. 2, no. 7, pp. 940–946, 2017, (This paper introduced in the ACS PressPac.).

Links | BibTeX

4.
Fluorometric gas-imaging system (sniff-cam), using the extinction of NADH with an ADH reverse reaction, for acetaldehyde in the gas phase

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
Journal ArticleFirst Author

In: Analyst, vol. 142, no. 20, pp. 3830–3836, 2017.

Abstract | Links | BibTeX

3.
Fluorometric Biosniffer Camera “Sniff-Cam” for Direct Imaging of Gaseous Ethanol in Breath and Transdermal Vapor

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
Journal Article

In: Analytical Chemistry, vol. 89, no. 8, pp. 4495–4501, 2017.

Abstract | Links | BibTeX

2015

2.
A sniffer-camera for imaging of ethanol vaporization from wine: the effect of wine glass shape

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
Journal Article

In: Analyst, vol. 140, no. 8, pp. 2881–2886, 2015, (This paper introduced in Chemistry World, CNN, Scientific American, National Geographic, and etc.).

Abstract | Links | BibTeX

2014

1.
“Sniffer-camera” using enzyme reaction for visualization of transpired ethanol from palm skin

Kenta Iitani, Toshiyuki Sato, Xin Wang, Koji Toma, Takahiro Arakawa, Kohji Mitsubayashi

“Sniffer-camera” using enzyme reaction for visualization of transpired ethanol from palm skin
Journal ArticleFirst AuthorOpen AccessIn Japanese

In: Journal of Advanced Science, vol. 26, no. 3+4, pp. 20–22, 2014, (Letter).

Abstract | Links | BibTeX