（‡は共同筆頭著者。*は責任著者。）
- Yusho Segawa, Kentaro Kinoshita, Hiroyuki Kai*;
"Efficient Collection of Oil Microdroplets by Hyperbranched, Space-Filling Open Microfluidic Channels."
Advanced Materials Interfaces, 2300340 (2023).
- Shunsuke Yamamoto*, Hiroyuki Kai;
"Wettability Patternable Hybrid Polymer Films Based on TiO2 and Fluorinated Polymer for Bioelectronics Applications."
Advanced Materials Interfaces, 2201736 (2022).
- Hiroyuki Kai*, Akichika Kumatani;
"A porous microneedle electrochemical glucose sensor fabricated on a scaffold of a polymer monolith."
Journal of Physics: Energy, 3, 024006 (2021).
- Hiroyuki Kai, Wataru Suda, Shotaro Yoshida, Matsuhiko Nishizawa*;
"Organic Electrochromic Timer for Enzymatic Skin Patches."
Biosensors and Bioelectronics, 123, 108-113 (2019).
- Hiroyuki Kai*, Yuto Kato, Ryoma Toyosato, Matsuhiko Nishizawa*;
"Fluid-permeable enzymatic lactate sensors for micro-volume specimen."
Analyst, 143, 5545-5551 (2018).
- Hiroyuki Kai*, Ryoma Toyosato, Matsuhiko Nishizawa*;
"Space-filling open microfluidic channels designed to collect water droplets."
RSC Advances, 8, 15985-15990 (2018).
- Kuniaki Nagamine, Hirotaka Sato, Hiroyuki Kai, Hirokazu Kaji, Makoto Kanzaki, Matsuhiko Nishizawa*;
"Contractile Skeletal Muscle Cells Cultured with a Conducting Soft Wire for Effective, Selective Stimulation."
Scientific Reports, 8, 2253 (2018).
- Atsuki Kobayashi, Kei Ikeda, Yudai Ogawa, Hiroyuki Kai, Matsuhiko Nishizawa, Kazuo Nakazato, Kiichi Niitsu;
"Design and Experimental Verification of a 0.19 v 53 μw 65 nm CMOS Integrated Supply-Sensing Sensor with a Supply-Insensitive Temperature Sensor and an Inductive-Coupling Transmitter for a Self-Powered Bio-sensing System Using a Biofuel Cell."
IEEE Transactions on Biomedical Circuits and Systems, 11, 1313 (2017).
- Hiroyuki Kai, Takeshi Yamauchi, Yudai Ogawa, Ayaka Tsubota, Takahiro Magome, Takeo Miyake, Kenshi Yamasaki, Matsuhiko Nishizawa*;
"Accelerated wound healing on skin by electrical stimulation with a bioelectric plaster."
Advanced Healthcare Materials, 6, 1700465 (2017).
- Kuniaki Nagamine, Jun Kubota, Hiroyuki Kai, Yoshinobu Ono, Matsuhiko Nishizawa*;
"An Array of Porous Microneedles for Transdermal Monitoring of Intercellular Swelling."
Biomedical Microdevices, 19, 68 (2017).
- Li-Jiun Chen, Shuntaro Ito, Hiroyuki Kai, Kuniaki Nagamine, Nobuhiro Nagai, Matsuhiko Nishizawa, Toshiaki Abe, Hirokazu Kaji*;
"Microfluidic co-cultures of retinal pigment epithelial cells and vascular endothelial cells to investigate choroidal angiogenesis."
Scientific Reports, 7, 3538 (2017).
- Hiroyuki Kai*, Wataru Suda, Yudai Ogawa, Kuniaki Nagamine, Matsuhiko Nishizawa*;
"Intrinsically Stretchable Electrochromic Display by a Composite Film of Poly(3,4-ethylenedioxythiophene) and Polyurethane."
ACS Applied Materials & Interfaces, 9, 19513 (2017).
- Kuniaki Nagamine, Shun Chihara, Hiroyuki Kai, Hirokazu Kaji, Matsuhiko Nishizawa*;
"Totally shape-conformable electrode/hydrogel composite for on-skin electrophysiological measurements."
Sensors and Actuators B: Chemical, 237, 49-53 (2016).
- Yuina Abe, Kuniaki Nagamine, Mayu Nakabayashi, Hiroyuki Kai, Hirokazu Kaji, Takeshi Yamauchi, Kenshi Yamasaki, Matsuhiko Nishizawa*;
"Minimally-invasive transepidermal potentiometry with microneedle salt bridge."
Biomedical Microdevices, 18, 55 (2016).
- Liming Liu, Hiroyuki Kai*, Kuniaki Nagamine, Yudai Ogawa, Matsuhiko Nishizawa*;
"Porous polymer microneedles with interconnecting microchannels for rapid fluid transport."
RSC Advances, 6, 48630-48635 (2016).
- Il-Hyung Lee, Hiroyuki Kai, Lars-Anders Carlson, Jay T. Groves, James H. Hurley*;
"Negative membrane curvature catalyzes nucleation of endosomal sorting complex required for transport (ESCRT)-III assembly."
PNAS, 112, 15892-15897 (2015).
- Yudai Ogawa, Yuki Takai, Yuto Kato, Hiroyuki Kai, Takeo Miyake, Matsuhiko Nishizawa*;
"Stretchable biofuel cell with enzyme-modified conductive textiles."
Biosensors and Bioelectronics, 74, 947-952 (2015).
- Kuniaki Nagamine, Yuina Abe, Hiroyuki Kai, Hirokazu Kaji, Matsuhiko Nishizawa*;
"Highly Stretchable Cell-Cultured Hydrogel Sheet."
RSC Advances, 5, 66334-66338 (2015).
- Adrienne C Greene‡, Samuel J Lord‡, Aiwei Tian, Christopher Rhodes, Hiroyuki Kai, Jay T Groves*;
"Spatial organization of EphA2 at the cell-cell interface modulates trans-endocytosis of ephrinA1."
Biophysical Journal, 106, 2196-205 (2014).
- Niña G Caculitan‡, Hiroyuki Kai‡, Eulanca Y Liu‡, Nicole Fay, Yan Yu, Theobald Lohmüller, Geoff P O'Donoghue, Jay T Groves*;
"Size-based chromatography of signaling clusters in a living cell membrane."
Nano Letters, 14, 2293-8 (2014).
- Masatoshi Iji*, Naoki Morishita, Hiroyuki Kai;
"Self-assembling siloxane nanoparticles with three phases that increase tenacity of poly L-lactic acid."
Polymer Journal, 43, 101-104 (2011).
- Hiroyuki Kai, Shinji Nara, Kazushi Kinbara*, Takuzo Aida*;
"Toward long-distance mechanical communication: studies on a ternary complex interconnected by a bridging rotary module."
J. Am. Chem. Soc., 130, 6725-7 (2008).