Toma K, Tsujii M, Arakawa T, Iwasaki Y, 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; 329: 129260.(10.1016/j.snb.2020.129260).

Toma K, Kishikawa C, Arakawa T, Mitsubayashi K, Reusable surface plasmon resonance immunosensor for temporal information of protein biomarkers. Sensors and Materials 2021; 33: 251-260.(10.18494/SAM.2021.3070).

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 and Bioelectronics 2021; 181: 113136.(10.1016/j.bios.2021.113136).

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; 33; 33301, 1-3. (10.2978/jsas.33301).

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; 11; 10415.(10.1038/s41598-021-90146-1).

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 interstinal flora from breath methanol. Sensors 2021; 21; 4897.(10.3390/s21144897).

Arakawa T, Mizukoshi N, Iitani K, Toma K, Mitsubayashi K, A Bio-Fluorometric Acetone Gas Imaging System for the Dynamic Analysis of Lipid Metabolism in Human Breath. Chemosensors 2021; 9; 258.(10.3390/chemosensors9090258).

Iitani K, Ramamurthy SS, Ge X, Rao G, Transdermal sensing: in-situ non-invasive techniques for monitoring of human biochemical status. Current Opinion in Biotechnology 2021; 71; 198-205.(10.1016/j.copbio.2021.08.005).

Iitani K, Tyson J, Rao S, Ramamurthy SS, Ge X, Rao G, What do masks mask? A study on transdermal CO2 monitoring. Medical Enginering and Physics 2021; 98; 50-56.(10.1016/j.medengphy.2021.10.013).

Toma K, Oishi K, Arakawa T, Mitsubayashi K, Surface Plasmon-Enhanced Fluorescence Biosensor for Repeated Measurement of Cardiac Marker, OPTICS＆PHOTONICS International Congress 2021, 2021.4.21-0, Online.

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, 2021.4.22-0, Online.

Iitani K, Toma K, Arakawa T, Mitsubayashi K, Bio-optic gas visualization system (Sniff-cam) for human volatiles, OPTICS＆PHOTONICS International Congress 2021, 2021.4.22-0, Online.

Arakawa T, Ming Y, 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, 2021.5.17-28, Online.

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, 2021.5.17-28, Online.

Toma K, Arakawa T,Mitsubayashi K, Self-Detachable Body Cavity Sensors with Biocompatible Materials for Medical and Healthcare, 8th International Symposium on Sensor Science, 2021.5.17-28, Online.

Iitani K, Tyson J, Rao S, Ramamurthy S S, Ge X, Rao G, Real-Time Monitoring of Transdermal CO2 Emission Rate While Exercising and Resting with a Mask, 18th International Meeting on Chemical Sensors (IMCS), 2021.5.30-6.3, Online.

(Invited) Mitsubayashi K, Cavitas Sensors: Non-Invasive Bio/Chemical Sensing in Human Body Cavities for Medical and Healthcare, 18th International Meeting on Chemical Sensors (IMCS), 2021.5.30-6.3, Online.

(Invited) Mitsubayashi K, Bio-Sniffers & Sniff-Cam: Biofluorometirc Gas Sensor and Imaging System for Human Volatile Chemicals, 18th International Meeting on Chemical Sensors (IMCS), 2021.5.30-6.3, Online.

Arakawa T, Zhang Z, Tomoto T, Toma K, Mitsubayashi K, Mouthguard glucose sensor with Prussian blue as an electron-transfer mediator for reduction of influence of salivary contaminants, 31st Anniversary World Congress of Biosensors, O2A.O4, 2021.7.26-29, Online.

Toma K, Oishi K, Arakawa T, Mitsubayashi K, Repeated measurement of cardiac marker by surface plasmon-enhanced fluorescence immunosensor for prevention of preoperative myocardial infarction, 31st Anniversary World Congress of Biosensors, O2E.O4, 2021.7.26-29, Online.

Iitani K, Toma K, Arakawa T, Mitsubayashi K, 2D bio-fluorometric gas-imaging system (sniff-cam) for transdermal ethanol vapor based on enzymatic recognition, 31st Anniversary World Congress of Biosensors, O2F.O3, 2021.7.26-29, Online.

Toma K, Seshima F, Arakawa T, Mitsubayashi K, Enzyme O2 charger-boosted air bio-battery as a dual energy approach of glucose, 31st Anniversary World Congress of Biosensors, P2.135, 2021.7.26-29, Online.

Arakawa T, Aota T, Toma K, Mitsubayashi K, Skin gas monitoring device with ethanol biochemical gas sensor and gas concentrator, 31st Anniversary World Congress of Biosensors, P4.022, 2021.7.26-29, Online.

Mitsubayashi K, Zhang G, Iitani K, Toma K, Arakawa T, Gas-phase biosensing and imaging of human body VOCs, 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021), session D2, 2021.9.20-23, Online.

Mitsubayashi K, Biofluorometric gas sensing and imaging of volatile chemicals in exhaled breath and skin gas, 10th International Workshop on Surface Modification for Chemical and Biochemical Sensing (SMCBS-2021), K19, 2021.11.5-9, Online.

Mitsubayashi K, Biofluorometric gas sensing and imaging of percutaneous blood volatile chemicals, European Society of Medicine (ESMED-2021), K19, 2021.11.11-13, Online.

Toma K, Oishi K, Arakawa T, Mitsubayashi K, Surface plasmon-enhanced fluoresce biosensor for semi-continuous monitoring of cardiac marker: troponin I, EUROPT(R)ODE2021, 2021.11.28-12.1, Online and On-site.

Toma K, Tujii M, Arakawa T, Mitsubayashi K, Dual-target fluorometric bio-sniffer (breath acetone & isopropanol) for non-invasive assessment of lipid metabolism, EUROPT(R)ODE2021, 2021.11.28-12.1, Online and On-site.

Iitani K, Toma K, Arakawa T, Takeda N, Mitsubayashi K, Skin-gas imaging system (sniff-cam) discriminating ppb-level emission in different human body parts, Pacifichem2021, 2021.12.16-12.21, Online.