Activities
#2025
Sixth Joint Meeting Acoustical Society of America and Acoustical Society of Japan（December 1 - 5, 2025, Hilton Hawaiian Village Waikiki Beach Resort Honolulu, Hawaii, USA）
○ Hirotsugu Ogi, "Wireless-electrodeless ultrasensitive quartz-crystal-microbalance sensors." (1pPAa2.) (招待講演)
○ Kazuya Kohira, Shota Nakamura, Hiroki Fukuda, Kazuhiro Kyotani, and Hirotsugu Ogi, "Direct determination of elastic constants of hexagonal materials without inverse calculation based on deep learning using resonant spectrum images." (2aPAa4)
○ Natsumi Fujiwara, Hiroki Okita, Midori Uno, Taketo Sato, Hirofumi Shimizu, Nobutomo Nakamura, Kanta Adachi, Kichitaro Nakajima, and Hirotsugu Ogi, "Non-contact cyclic deformation of nucleus in living cell using focused acoustic-radiation-force microscopy for nucleus mechanobiology study."
(3pBAb7.)
分子研コロキウム（2025年11月19日, 分子科学研究所）
○ 荻 博次 "タンパク質凝集研究のための先端超音波技術と神経変性疾患診断への応用" (招待講演)
The 46th Symposium on Ultrasonic Electronics (USE2025)（November 11 - 14, 2025, Kunibiki Messe, Shimane, Japan）
○ Midori Uno, Natsumi Fujiwara, Hiroki Okita, Kichitaro Nakajima, and Hirotsugu Ogi, "The effect of local mechanical stimulation for PC12 cells by focused ultrasound on neuronal differentiation"
○ Aya Yoshida, Kanta Adachi, Hirotsugu Ogi, and Nobutomo Nakamura , "Non-contact detection of contact state of copper balls using resonant vibration of lithium niobate"
○ Natsumi Fujiwara, Hiroki Okita, Midori Uno, Taketo Sato, Nobutomo Nakamura, Kanta Adachi, Kichitaro Nakajima,
Mee-Hae Kim, Masahiro Kino-oka, and Hirotsugu Ogi, "Live-cell nuclear rheology and mechanical-stimulation effect studied by acoustic-radiation-force microscopy"
○ Kazuya Kohira, Shota Nakamura, Hiroki Fukuda, Kazuhiro Kyotani, and Hirotsugu Ogi, "Deep learning determination of elastic constants of hexagonal materials using visualized resonant ultrasound spectrum"
○ Kichitaro Nakajima, Hirotsugu Ogi, "Contactless measurement of bulk modulus of biomolecular colloids through acoustic trapping"
○ Tomoki Ota, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Ultrasonic Detection of Amyloid Seeds under Crowded Conditions through Ultrasonic Cavitation"
○ Takashi Takishita and Hirotsugu Ogi, "Development of Point-Focusing EMATs with Large Incident Angles Beyond Conventional Design Limit"
○ Shuhei Izuma, Masamitsu Tachibana, Mutsuaki Murakami, and Hirotsugu Ogi, "Study of Ultra-High Frequency Acoustic Properties of Soft Matter Using Multilayer Graphene Oscillators"
○ Motoyuki Hamana, Natsumi Fujiwara, and Hirotsugu Ogi, "Simultaneous monitoring of live cell mechanics and morphology using electrode-free QCM and dark-filed microscopy"
○ Hiroki Okita, Ambuj Kumar Gautam, and Hirotsugu Ogi, "Frequency Controlled Switching in Topological Phononic Crystals for Biosensing Applications"
○ Tina Kondo, Tomoki Ota, Kichitaro Nakajima, Hirotsugu Ogi, "Study on disaggregation kinetics of amyloid-fibril network on a liquid-solid interface by wireless quartz crystal microbalance"
○ Takato Otake, Hikaru Motohashi, Manabu Suzuki, Fumihito Kato, and Hirotsugu Ogi, "QCM Gas Sensor Using Compressive Stress PdAu Alloy as Hydrogen Sensitive Layer"
○ Ryo Umetsu, Manabu Suzuki, Fumihito Kato, and Hirotsugu Ogi, "Reusable High-Frequency Integrated Wireless QCM Biosensor Array"
○ Zhenyu Ji, Zhixiang Guo, Fumihito Kato, and Hirotsugu Ogi, "Real-Time Measurement of Gas Flow Rate in Microchannel Using Quartz Crystal Microbalance"
○ Taichi Yoshikawa, Hirotsugu Ogi, and Kichitaro Nakajima, "Development of micro-acoustic resonator for analysis of viscoelastic properties of biomolecular condensates"
第12回 日本アミロイドーシス学会学術集会 （2025年10月4日, 熊本城ホール）
○太田朝貴, "超音波照射を用いた夾雑環境下におけるαシヌクレインシードの高感度検出"
○原田康太郎, "全自動小型超音波アミロイド形成誘導・蛍光測定装置の開発"
第63回 日本生物物理学会年会（2025年9月24-26日, 奈良県コンベンションセンター）
○Kichitaro Nakajima, Hirotsugu Ogi, "Contactless Stiffness Measurement of Biomolecular Condensates through Acoustic Trapping"
○Tomoki Ota, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, Hirotsugu Ogi, "Ultrasonic Cavitation Enhances Selective Detection of α-Synuclein Amyloid Fibrils from a Crowded Environment"
○Taichi Yoshikawa, Hirotsugu Ogi, Kichitaro Nakajima, "Development of a Micro-Acoustic Resonator for Micro-Rheological Measurement of Biomolecular Condensates"
2025 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium （2025年9月16日--18日, Utrecht, Netherland）
○Motoyuki Hamana, Natsumi Fujiwara, Hirotsugu Ogi, "Development of a Wireless-Electrodeless QCM System with Dark-Field Microscopy for Simultaneous Monitoring of Mechanical Properties and Morphology of Living Cells"
○Takashi Takishita, Hirotsugu Ogi, "Non-Contact Measurement of Nonlinear Three-Wave Interaction by Combining Point-Focusing EMATs and Laser Doppler Interferometry"
○Tomoki Ota, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, Hirotsugu Ogi, "Ultrasonic Cavitation Enhances Selective Detection of a-Synuclein Amyloid Fibrils from a Crowded Environment"
○Kichitaro Nakajima "Non-Contact Measurement of Bulk Modulus of Microscale Biomolecular Colloids Through Acoustic Trapping"
○Natsumi Fujiwara, Hiroki Okita, Mee-Hae Kim, Masahiro Kino-Oka, Hirotsugu Ogi "Development of Focusing Acoustic Microscopy for Non-invasive Mechanical Stimulation and Viscoelasticity Measurement of Live-Cell Nucleus"
○Kanta Adachi, Hirotsugu Ogi, Nobutomo Nakamura "Resonant Ultrasound Spectroscopy for Piezoelectric Relaxation by Hopping Condution in Fe-Doped GaN: Accurate Determination of Piezoelectric Coefficients"
○Zhenyu Ji, Fumihito Kato, Hirotsugu Ogi "In-Situ Flow Rate Measurement in Microchannels Using Wireless Quartz Resonator"
ICMS Seminar (Eindhoven University of Technology, Eindohoven, 2025年9月17日)
〇 Kichitaro Nakajima "Development of acoustofluidic platform for analysis of material properties of biomolecular condensates" (招待講演)
International Conference on Smart Sensors 2025 (ICSS 2025)（June 23-24, 2025, Hsinchu, Taiwan）
○ Hirotsugu Ogi, "Wireless battery-less ultrasensitive quartz-crystal-microbalance sensors"(Keynote Talk)
第25回蛋白質科学会年会 (アクリエ姫路, 2025年6月18-20日)
〇 Kichitaro Nakajima, Shotaro Doi, Hirotsugu Ogi, "Amplification of amyloid seeds by acoustic streaming in a micro-scale space"
35th Anniversary World Congress on Biosensors (Biosensors 2025) (The Lisbon Congress Centre, Lisbon, Portugal, 19-22 May 2025）
○ Motoyuki Hamana, Natsumi Fujiwara, Hirotsugu Ogi, "Simultaneous monitoring of mechanical and morphological behavior of living cells by combining electrode-free QCM and dark-field microscopy"
○ Takato Otake, Kenshin Kamioka, Shunta Shinzato, Ryosuke Matsumura, Fumihito Kato, and Hirotsugu Ogi, "Wireless qcm hydrogen gas sensor for early detection of digestive diseases"
○ Hirotsugu Ogi, Ryo Hirose, Takuya Haraguchi, Akira Nagakugo, Masamitsu Tachibana, and Mutsuaki Murakami, "Ultrasensitive mechanical biosensor with 30-GHz multilayer graphene resonator driven by picosecond ultrasound"
第18回ナノ・マイクロ計測化学セミナー (東北大学・多元研, 2025年3月18日)
〇 中島吉太郎 "超音波を使った生体ソフトマターの物性計測" (招待講演)
#2024
The 45th Symposium on Ultrasonic Electronics (USE2024)（November 25 - 27, 2024, Surugadai Campus, Meiji University, Japan）
○ Kichitaro Nakajima, Eriko Asanuma, Tomoki Ota, and Hirotsugu Ogi, "Ultrasonic analysis on early stage of amyloid fibril formation of hen egg white lysozyme"
○ Ryo Umetsu, Manabu Suzuki, Fumihito Kato, and Hirotsugu Ogi "Study on Protein Detection Using a UHF-Band Wireless QCM Sensor Array Chip"
○ Takato Otake, Manabu Suzuki, Fumihito Kato, and Hirotsugu Ogi "High-Sensitive Wireless QCM Sensor for Hydrogen Gas Detection with PdAu Alloy Film"
○ Motoyuki Hamana, Natsumi Fujiwara, and Hirotsugu Ogi "Development of a simultaneous measurement system of wireless-electrodeless QCM and optical microscopy for monitoring changes in mechanical properties of live cells in culture "
○ Midori Uno, Natsumi Fujiwara, Akira Nagakubo, Masahiro Kino-oka, and Hirotsugu Ogi, "Deep-learning method based on tri-frequency ultrasound images for high-resolution observation of live cells in culture" (Young Scientist Award )
○ Natsumi Fujiwara, Shao Ying Tan, Mee-Hae Kim, Masahiro Kino-oka, and Hirotsugu Ogi, "The effect of non-invasive selective mechanical stimulation for the cell nucleus by focused ultrasound"
○ Tomoki Ota, Kichitaro Nakajima, Koya Nakandakari, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "The effects of ultrasonic cavitation and environmental factors on amyloid formation"
○ Hiroki Okita, Natsumi Fujiwara, Wenlou Yuan, and Hirotsugu Ogi, "Development of acoustic lens with dual frequency peaks suitable for cell observation"
○ Takashi Takishita, Hiroyuki Takamatsu, and Hirotsugu Ogi, "Non-contacting in-situ evaluation of torsional fatigue damage of carbon steel using axial-shear-wave resonance"
○ Sho Hirano, Akira Nagakubo, Kanta Adachi, Nobutomo Nakamura, and Hirotsugu Ogi, "Elastic anomalies accompanying antiferromagnetic phase transition in NiO studied by resonant ultrasound spectroscopy"
○ Riki Nishihara, Wenlou Yuan, Motoharu Haga, Fumihito Kato, Nobutomo Nakamura, and Hirotsugu Ogi, "Development of remote-batteryless displacement sensor using polarization relaxation of bare resonator"
2024 IEEE Ultrasonics, Ferroelectrics, and Frequency Control Joint Symposium （2024年9月22日--26日, Taipei Nangang Exhibition Center）
○Natsumi Fujiwara, Midori Uno, Hiroki Fukuda, Akira Nagakubo, Shao Ying Tan, Masahiro Kino-Oka, Hirotsugu Ogi, "Long-Time high-Resolution Observation of Culturing Cells by Spectroscopic focused-Ultrasound Imaging with Deep Learning"
○Takashi Takishita, Hiroyuki Takamatsu, Hirotsugu Ogi, Evaluation of Local Plasticity by Nonlinear three-Wave Interaction Method Using shear-vertical-Wave point-Focusing Electromagnetic Acoustic Transducers"
第15回タンパク質の異常凝集とその防御・修復機構に関する研究会（2024年8月27日（火）--28日（水）オンライン開催）
○太田朝貴、後藤祐児、荻博次 「ペリスタポンプのせん断力によるアミロイド線維形成」
第19回バイオ超音波顕微鏡研究会（令和６年７月６日（土）日本橋ライフサイエンスビルディング）
○ 藤原 夏実 「超音波顕微鏡を用いた培養細胞の超解像化と力学刺激」
21st International Union of Pure and Applied Biophysics (IUPAB)（24-28 June, 2024, Kyoto International Conference Center）
○ Natsumi Fujiwara, Shao Ying Tan, Akira Nagakubo, Masahiro Kino-oka, Hirotsugu Ogi,
"Development of a high-frequency focused ultrasound system for applying noninvasively localized mechanical stimulation to cells in culture"
○ Tomoki Ota, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, Hirotsugu Ogi,
"Improvement of detection ability for amyloid fibril seeds by interaction between ultrasonic cavitation and surfactants"
第24回日本蛋白質科学会年会（2024年6月11日（月）--13日（水）於 札幌コンベンションセンター）
○ 近藤千菜、中島吉太郎、山口圭一、後藤祐児、荻博次：小型超音波アミロイド生成装置の開発とアミロイド線維形成に関する研究
○ 仲村渠光矢、福田大樹、中島吉太郎、山口圭一、後藤祐児、荻博次：CDスペクトルの３層画像化と深層学習を用いた蛋白質二次構造の予測
○ 太田朝貴、中島吉太郎、山口圭一、後藤祐児、高崎寛子、廣瀬未果、加藤貴之、荻博次：超音波照射法を用いて形成したαシヌクレインアミロイド線維の構造解析
第71回応用物理学会春季学術講演会（2024年3月22日（金）--25日（月）於 東京都市大学）
○ 沖田啓紀、長久保白、荻博次：酸化物自立薄膜に対する非同期ピコ秒超音波法を用いた減衰の直接計測
#2023
The 44th Symposium on Ultrasonic Electronics (USE2023)（November 13 - 15, 2023, Toyama International Conference Center, Japan）
○ Ryo Hirose, Akira Nagakubo, Masamitsu Tachibana, Mutsuaki Murakami, and Hirotsugu Ogi, "Development of a high-frequency phonon biosensor using graphite thin film resonator and theoretical calculation" (Young Scientist Award )
○ Hirotsugu Ogi, "Ultrasensitive wireless QCM bio/gas sensors" (Plenary Talk)
○ Sho Hirano, Tomoki Hayashi, Hiroki Fukuda, Akira Nagakubo, and Hirotsugu Ogi, "Temperature dependence of elastic properties of NiO single crystal studied by resonant ultrasound spectroscopy"
○ Kohei Sugaya, Akira Nagakubo, and Hirotsugu Ogi, "Development of a real-time GHz resonant biosensor using asynchronous picosecond ultrasonics"
○ Takashi Takishita, Hiroyuki Takamatsu, and Hirotsugu Ogi, "Measurement of nonlinear three-wave interaction by shear-vertical-wave point-focusing electromagnetic acoustic transducers"
○ Motoyuki Hamana, Natsumi Fujiwara, Satoshi Koga, Kazuyo Moro, and Hirotsugu Ogi, "Development of a simultaneous monitoring system for viscoelastic properties and morphological changes of cultured cells using wireless and electrodeless QCM"
○ Kakeru Hanada, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Pressure and frequency dependences of mechanical and chemical effects by ultrasonic cavitation on amyloid fibril formation"
○ Tina Kondo, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Development of miniaturized sonoreactor for amyloid fibril assays"
○ Natsumi Fujiwara , Takaki Matsumoto, Tan. Shao Ying, Akira Nagakubo, Kichitaro Nakajima, Masahiro Kino-oka, and Hirotsugu Ogi, "Development of a focused ultrasound spectroscopic imaging system combined with optical imaging for applying mechanical stimulation on living cells" (Young Scientist Award )
○ Hiroki Fukuda, Akira Nagakubo, Oliver B. Wright, Kazuhiro Kyotani, and Hirotsugu Ogi, "Deep-learning prediction of elastic constants for rectangular parallelepiped cubic materials using free-vibration resonant frequencies"
○ Tomoki Ota, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Improvement of detection ability for amyloid fibril seeds by interaction between ultrasonic cavitation and surfactants"
○ Kazushi Fujita, Kichitaro Nakajima, and Hirotsugu Ogi, "Study on viscoelastic properties of amyloid-fibril network during formation and disaggregation by wireless quartz crystal microbalance"
○ Tokiya Matsukura, Akira Nagakubo, and Hirotsugu Ogi, "Development of volatile-organic-compound gas sensor using wireless and electrodeless quartz crystal resonator"
○ Tomoki Hayashi, Akira Nagakubo, and Hirotsugu Ogi, "Development of beyond-10 GHz ultrasonic microscopy by asynchronous picosecond ultrasonics"
The 2023 IEEE International Ultrasonics Symposium (September 3 - September 8, Palais des congrès de Montréal,2023, Montreal, Quebec, Canada)
〇 Hiroki Fukuda, Akira Nagakubo, Shigeyoshi Usami, Yusuke Mori, and Hirotsugu Ogi, "Elastic and thermal diffusion properties of OVPE GaN studied by picosecond ultrasonic microscopy"
〇 Natsumi Fujiwara, Takaki Matsumoto, Tan Shao Ying, Akira Nagakubo, Kichitaro Nakajima, Masahiro Kino-oka, Hirotsugu Ogi, "Focused ultrasound spectroscopic study on the effects of local mechanical stimulation on living cells"
第23回 日本蛋白質科学会年会 (July 5-7, 2023, 名古屋国際会議場)
〇 花田翔、中島吉太郎、山口圭一、後藤祐児、荻博次 "beta2ミクログロブリンのシード依存的アミロイド線維形成の超音波音圧・周波数依存性に関する研究"
〇 太田朝貴、中島吉太郎、山口圭一、後藤祐児、荻博次 "超音波照射システムによるa-シヌクレインの線維形成反応の制御と核形成機構の研究"
〇 中島吉太郎、野地真広、山口圭一、山本卓、後藤祐児 "超音波アミロイド誘導装置を用いたアミロイドーシス発症リスクの研究"(invited・若手奨励賞優秀賞受賞)
〇 山口圭一、中島吉太郎、後藤祐児 "a-シヌクレインのATP依存的なアミロイド線維形成機構"
184th Meeting of the Acoustical Society of America (May 8-12, 2023, Chicago Downtown Marriott Magnificent Mile Hotel, Illinois, USA)
〇 Natsumi Fujiwara, Takaki Matsumoto, Akira Nagakubo, Masahiro Kino-oka, and Hirotsugu Ogi, "Ultrasound-spectroscopic-imaging study on the effects of local mechanical stimulation on living human induced pluripotent stem cells"
〇 Kichitaro Nakajima, Tomoki Ota, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Control of amyloidogenic protein aggregation by ultrasonic irradiation"
〇 Akira Nagakubo Eriko Asanuma, and Hirotsugu Ogi, "In situ monitoring of electromigration in a single nano wire by picosecond ultrasonics"
第14回タンパク質の異常凝集とその防御・修復機構に関する研究会（2023年3月9・10日, 京都大学複合原子力科学研究所）
〇 中島吉太郎, 山口圭一, 山本卓, 後藤祐児 "夾雑環境中におけるβ2ミクログロブリンのアミロイド線維形成と透析アミロイドーシス発症リスク"
JSPS Core-to-Core Program and Technical University of Munich Joint Meeting: Amyloid Symposium Munich 2023 (February 16-17, 2023, Technical University of Munich, Munich, Germany)
〇Hirotsugu Ogi "QCM study on surface aggregation/disaggregation reactions"
〇Kichitaro Nakajima "Proteostasis in dialysis-related amyloidosis"
#2022
The 43nd Symposium on Ultrasonic Electronics (USE2022)（November 7 - 9, 2022, Doshisha University, Kyoto Japan）
○ Kazushi Fujita, Akira Nagakubo, Hirotsugu Ogi, "Shear moduli of liquid crystalline polymers and relaxation process in poly methyl methacrylate studied by resonant ultrasound spectroscopy"
○ Hiroki Ato, Manabu Suzuki, Noriyasu Masumoto, Fumihito Kato, Hirotsugu Ogi, "Wireless QCM Hydrogen Sensor with PDMS-microchannel Fabricated by Nanoimprint Lithography"
○ Junki Shinohara, Manabu Yoshino, Manabu Suzuki, Noriyasu Masumoto, Fumihito Kato, Hirotsugu Ogi, "Study on Fabrication Process of 10×10 Array High-Frequency Wireless QCM Chip"
○ Tokiya Matsukura, Lianjie Zhou, Akira Nagakubo, Hirotsugu Ogi, "Effects of Au atoms deposition on Pd film for hydrogen gas sensor using wireless and electrodeless quartz crystal resonator"
○ Tomoya Aoki, Yu Qi, Noriyasu Masumoto, Fumihito Kato, Hirotsugu Ogi, "PDMS Microchannel QCM Chip Using Embedded Anodized Aluminum Antennas"
○ Noritsugu Kanto, Zhou Lianjie, Fumihito Kato, Akira Nagakubo, Hirotsugu Ogi, "Development of Battery-Free Long-Range Wireless Hydrogen-Gas Sensor Using High-Frequency QCM Resonator"
○ Kota Chishiro, Lianjie Zhou, Kichitaro Nakajima, Keiichi Yamaguchi, Kensuke Ikenaka, Hideki Mochiduki, Yuji Goto, Hirotsugu Ogi, "Direct observation of aggregation reaction of α- synuclein under shear stress using total internal reflection fluorescence microscopy with lithium-niobate resonator"
○ Kichitaro Nakajima, Hajime Toda, Keiichi Yamaguchi, Kensuke Ikenaka, Hideki Mochizuki, Yuji Goto, Hirotsugu Ogi, "Effect of surfactant on detection sensitivity of amyloid fibril seeds under ultrasonic irradiation"
○ Kakeru Hanada, Kichitaro Nakajima, Keiichi Yamaguchi, Kensuke Ikenaka, Hideki Mochizuki, Yuji Goto, Hirotsugu Ogi, "Frequency dependence of seed-dependent amyloid formation of β2-microglobulin under ultrasonic field"
○ Kakeru Tojo, Akira Nagakubo, Masamitsu Tachibana, Kensuke Murashima, Mutsuaki Murakami, Hirotsugu Ogi, "Propagation properties of longitudinal wave in defect-free multilayer graphene at low temperatures and high magnetic field"
○ Wenlou Yuan, Akira Nagakubo, Hirotsugu Ogi, "Numerical Study on High Sensitivity Biosensing Scheme Based on Waveguide Phononic Crystal"
○ Hiroki Fukuda, Akira Nagakubo, Hirotsugu Ogi, "Machine learning prediction of initial values of elastic constants in resonant ultrasound spectroscopy"
○ Natsumi Fujiwara, Takaki Matsumoto, Akira Nagakubo, Masahiro Kino-oka, Hirotsugu Ogi, "Development of a high-frequency focused ultrasound system for applying noninvasively localized mechanical stimulation on cultured cells"
The 2022 IEEE International Ultrasonics Symposium（October 10-13, 2022. Venice, Italy）
○ A. Nagakubo, A. Tange, and H. Ogi, "GHz phonon biosensor using free-standing SiN nanofilm with real-time monitoring by asynchronous optical sampling picosecond ultrasonics"
第60回日本生物物理学会年会(2022年9月29日(木)函館アリーナ･函館市民会館)
○ 藤原 夏実，松本 崇揮，長久保 白，紀ノ岡 正博，荻 博次：高周波集束超音波スペクトロスコピーによる培養単一細胞への非侵襲局所力学刺激付与システムの開発とヒトiPS細胞の核の共振による超音波吸収帯
○ 中島 吉太郎，山口 圭一，山本 卓，後藤 祐児：透析アミロイドーシス発症メカニズムにおける分子夾雑環境の役割
圧電材料・デバイスシンポジウム2022（2022年1月28日 オンライン開催）
○荻 博次，ピコ秒超音波による薄膜材料の非破壊評価:100GHz を 超える超音波スペクトロスコピー (invited)
#2021
The 42nd Symposium on Ultrasonic Electronics (USE2021)（October 25 - 27, 2021, On-line）
○ Natsumi Fujiwara, Takaki Matsumoto, Akira Nagakubo, Masahiro Kino-oka, and Hirotsugu Ogi, "Ultrasound-spectroscopy imaging on human iPS cells for mechanobiology study"
○ Kakeru Tojo, Akira Nagakubo, and Hirotsugu Ogi, "Interaction between ultrasound and magnetization in ferromagnetic thin film studied by picosecond ultrasonics"
○ Masato Kimoto, Akira Nagakubo, and Hirotsugu Ogi, "Elastic constants of tungsten carbide single crystal studied by picosecond ultrasonics"
○ Akihiro Tange, Akira Nagakubo, and Hirotsugu Ogi, "Development of nano-thin film biosensors using asynchronous picosecond ultrasound method"
○ Takuya. Haraguchi, Akira. Nagakubo, Kensuke Murashima, Mutsuaki Murakami, and Hirotsugu Ogi, "Development of 30-GHz phonon biosensor using graphite thin-film resonator"
○ Hiroki Fukuda, Akira Nagakubo, Masayuki Imanishi, Yusuke Mori, and Hirotsugu Ogi, "Anelastic properties of gallium nitride studied by resonant ultrasound spectroscopy at elevated temperatures"
○ Wenlou Yuan, Nagakubo Akira, and Hirotsugu Ogi, "Impact of interface damping in high-frequency surface-wave resonances on nanostrip-attached substrates"
○ Hsu Kai Weng, Akira Nagakubo, Hideyuk Watanabe, and Hirotsugu Ogi, "Lattice thermal conductivity in isotope diamond asymmetric superlattices"
○ Kichitaro Nakajima, Hajime Toda, Keiichi Yamaguchi, Hirotsugu Ogi, and Yuji Goto, "Specific effect of ultrasonic irradiation on amyloid-fibril formation reaction"
○ Fumihito Kato, Yu Qi, Tomoya Aoki, Noriyasu Masumoto, Hiroyuki Noguchi, Hirotsugu Ogi, Dai Matsumoto, and Teruyoshi Matsumoto, "Development of Wireless Quartz Crystal Microbalance Sensor with Antenna-Embedded PDMS Microchannel"
○ Koji Matsuura, Nobutomo Nakamura, Ryuichi Tarumi, and Hirotsugu Ogi, "Formation process of alloy nanoparticles synthesized by sputtering: noncontact monitoring using resonant ultrasound spectroscopy"
#2020
大阪大学ナノ理工学人材育成産学コンソーシアム 令和2年度 第2回ナノ理工学情報交流会「これからのコロナテック」（2020年12月18日 大阪大学豊中キャンパス 文理融合型研究棟）
○荻 博次，最新MEMS水晶振動子バイオセンサー (invited)
The 41th Symposium on Ultrasonic Electronics (USE2020)（November 25 - 27, 2020, On-line, Osaka University, Osaka）
○ Lianjie Zhou, Fumihito Kato, and Hirotsugu Ogi, "Sensitive label-free IgG detection using MEMS QCM biosensor with 125-MHz wireless quartz resonator"
○ Ryota Matsuda, Yasushi Oshikane, Kentaro Noi, Masatomo So, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Highly sensitive detection of β2-microglobulin seeds by ultrasonic irradiation"
○ Keiichi Yamaguchi, Maya Sawada, Kichitaro Nakajima, Masatomo So, Hirotsugu Ogi, and Yuji Goto, "ATP-dependent amyloid fibrillization of α-synuclein under the ultrasonic irradiation"
○ Kichitaro Nakajima, Hajime Toda, Keiichi Yamaguchi, Masatomo So, Hirotsugu Ogi, and Yuji Goto, "High-throughput sonochemical reactor for accelerative amplification of ultratrace amyloid-fibril seeds"
○ Hiroki Fukuda , Akira Nagakubo, and Hirotsugu Ogi, "Acoustic properties of metal/antiferromagnet epitaxial multilayers"
○ Yasutake Fukuda, Kentaro Noi, Masatomo So, Kichitaro Nakajima, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Study on dynamic characteristics of acceleration effect of Amyloid β peptide aggregation by shear stress field"
○ Touko Hajiri, Lianjie Zhou, Kichitaro Nakajima, Masatomo So, Keiichi Yamaguchi, Yuji Goto, and Hirotsugu Ogi, "Monitoring of viscoelasticity and structural change during aggregation reactions of β-2 microglobulin with wireless quartz-crystal-microbalance biosensor"
○ Hsu Kai Weng, Lianjie Zhou, Akira Nagakubo, Hideyuki Watanabe, and Hirotsugu Ogi, "Detection of IgG by ultrasonic attenuation of free standing 12C diamond thin film studied by picosecond ultrasonics"
○ Fumihito Kato, Yu Sato, Hiroki Ato, Haruki Kuwabara, Yuto Kobayashi, Kensuke Nakamura, Noriyasu Masumoto, Hiroyuki Noguchi, and Hirotsugu Ogi, "Study on PDMS Microchannel Structure of Wireless-Electrodeless QCM Sensor and Application to Gas Sensor"
日本鉄鋼協会 第180回秋季講演大会 シンポジウム 「材料の組織形成・材質発現・品質保証・プロセス管理の最新の計測技術とその課題」 (2020.9.18 オンライン開催）
○ 荻 博次, "電磁超音波共鳴法による金属疲労の評価" (invited)
#2019
Towards a Cure for Amyloid Diseases: A successful Example of Precision and Translational Medicine (Palazzo Vistarino, Pavia, Italy 16-19 Dec. 2019）
○ H. Ogi, "Time-resolved in-situ monitoring of aggregation reaction of Aβ peptides by liquid-cell TEM" (invited)
The 40th Symposium on Ultrasonic Electronics (USE2019)（November 25 - 27, 2019, Meiji University, Tokyo）
○ Hsu Kai Weng, Akira Nagakubo, Hideyuki Watanabe, and Hirotsugu Ogi, "Phonon propagation in isotope diamond thin films studied by pump-probe laser reflectivity measurement"
○ Nobutomo Nakmaura, Atsushi Maehara, and Hirotsugu Ogi, "Development of confocal picosecond ultrasonics"
○ Lianjie Zhou, Nobutomo Nakamura, Akira Nagakubo, and Hirotsugu Ogi, "Enhancement of sensitivity of Pd-based hydrogen sensor by repeated hydrogen flow confirmed by wireless QCM"
○ Ryota Matsuda, Yasushi Oshikane, Kentarou Noi, Masatomo So, Yuji Goto, and Hirotsugu Ogi, "Highly sensitive detection of amyloid-β seed by
ultrasonic irradiation"
○ Kanta Adachi, Hiroyuki Waki, and Hirotsugu Ogi, "Carrier dynamics of hopping conduction in high-resistance GaN studied by resonant ultrasound spectroscopy"
○ Kentaro Noi, Masumi Iijima, Shun’ichi Kuroda, and Hirotugu Ogi, "Mechanism of affinity enhanced protein adsorption on bio-nanocapsules studied by viscoelasticity measurement with wireless QCM biosensor"
○ Yu Sato, Noriyasu Masumoto, Fumihito Kato, and Hirotsugu Ogi, "Fundamental study on optimization of microchannel structure with respect to wireless PDMS-QCM biosensor"
The 2019 IEEE International Ultrasonics Symposium（October 6 - 9, 2019. Glasgow, Scotland）
○ A. Nagakubo, H. Ogi, T. Tsuboi, A. Koreeda, Y. Fujii, "Relationship between Temperature Coefficient of Sound Velocity and Bond Angle in Vitreous SiO2-Type Films"
○ T. Nonaka, A. Uchida, F. Kato, and H. Ogi, Hirotsugu, "Antenna-Embedded Wireless QCM Sensor Fabricated by a MEMS Process"
○ F. Kato, H. Noguchi, H. Ogi, D. Matsumoto, K. Furuta, "Disposable Ultrasonic Emulsification Microchannel Chip Fabricated by Nanoimprint Lithography"
○ N. Nakamura, T. Tomoya, and H. Ogi, "Conductivity Response of Palladium Semicontinuous Film Deposited Using Piezoelectric Resonance Method to Hydrogen"
The 2019 International Congress on Ultrasonics（September 3 - 6, 2019. Bruges, Belgium）
○ A. Nagakubo, H. Tamura, and H. Ogi, "Time-range controllable asynchronous picosecond ultrasonics with titanium-sapphire pulse lasers"
○H. K. Weng, A. Nagakubo, H. Ogi, H. Watanabe, "Study on Phonon Propagation in Isotope Diamond Superlattice"
2019 SPIE Defense + Commercial Sensing, Advanced Environmental, Chemical, and Biological Sensing Technologies XV（14 April 2019, Baltimore, Maryland, USA）
○ H. Ogi " Ultrasensitive label-free acoustic biosensors" (invited)
平成30年度第2回残留ひずみ・応力解析研究会（3月19日, 研究社英語センター）
○ 荻 博次 "電磁超音波共鳴による非接触応力評価" (invited)
Ulm Meeting – Biophysics of Amyloid Formation（19 February 2019-21 February 2019, Germany）
○ H. Ogi "Real-time monitoring of fibrillation and fibril-dissociation reactions of amyloid β aggregates" (invited)
#2018
2018 IEEE International Ultrasonics Symposium（Portopia Hotel in Kobe, Japan, October 22-25, 2018）
○ A. Wake, H. Ogi, A. Nagakubo, K. Kusakabe, K. Murashima, M. Murakami "Picosecond-ultrasound study on interlayer interaction of monocrystal graphite"
○ Hiroki Tamura, Akira Nagakubo, Teruo Ono, Hirotsugu Ogi "Guided acoustic wave in a single Pt nanowire"
○ N. Takeuchi, K. Adachi, H. Ogi, H. Watanabe, T. Ito, Y. Ozaki "Measurement of elastic constants of monoclinic Ga2O3 using resonant ultrasound spectroscopy"
○ Tomoya Ueno, Nobutomo Nakamura, Hirotsugu Ogi, and Ryuichi Tarumi "Morphology Change of Ultrathin Films Studied by Noncontact Piezoelectric Resonance Method"
○ Nobutomo Nakamura, Sosuke Iwaki, Keitaro Horikawa, and Hirotsugu Ogi "Deposition of Pd semicontinuous films using resistive spectroscopy for hydrogen sensor"
The 39th Symposium on Ultrasonic Electronics（Doshisha University Imadegawa Campus, Monday29-Wednesday 31, October, 2018）
○ Kanta Adachi, Akira Nagakubo, Hirotsugu Ogi, "Mechanism of unusual elasticity in β-Ga2O3 studied by ab-initio calculation"
○ Masaya Nakamura, Kanta Adachi, Hirotsugu Ogi, "Discovery of avoided crossing of mechanical resonances during temperature change in piezoelectric materials"
○ Kohei Kamada, Kentaro Noi, Hirotsugu Ogi "Effect of anthocyanin to dissolve Aβ amyloid fibrils studied by TIRFM-QCM biosensor"
○ Akira Nagakubo, Tokihiro Nishihara, Hirotsugu Ogi "Resonance frequencies of AlN and metal freestanding multilayers studied by picosecond ultrasonics "
○ Fumihito Kato, Fumiya Kawashima, Tomoyuki Nonaka, Akimi Uchida, Hirotsugu Ogi "Wireless MEMS Quartz Crystal Microbalance Sensor Chip Fabricated by Wafer-Level Packaging Process"
第79回応用物理学会秋期学術講演会（2018年9月18日（火）於 名古屋国際会議場）
○ 長久保白、土生善昭、Lee Heun Tae、上田良夫、荻博次
：ピコ秒超音波法を用いた及び型タングステンナノ薄膜の弾性率計測および重水素照射による機械特性の変化
International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA2018)（2018年9月13日（木）於 KOBE Chamber of Commerce and Industry, Kobe, Japan）
○ H. Ogi, Progress in Wireless-Electrodeless MEMS Quartz-Crystal-Microbalance Biosensor (Plenary)
日本物理学会2018年秋季大会（2018年9月9日（日）於 同志社大学京田辺キャンパス）
○ 坪井誠也, 荻博次, 長久保白, 松田聡, 壁義郎, 是枝聡肇, 藤井康裕：アモルファス酸窒化シリコン薄膜の音速の温度依存性：ゼロ温度係数の実現
第12回バイオ関連化学シンポジウム（2018年9月9日（日）於 大阪大学大学院工学研究科 共通講義棟（U2棟）311号室）
○ 鎌田航平、野井健太郎、荻博次：水晶振動子バイオセンサーと全反射蛍光顕微鏡を融合させた新型アッセイシステムによるアミロイドβの繊維形成・融解過程の研究
日本生物工学会バイオ計測サイエンス研究部会第一回シンポジウム（2018年9月8日（土）於 大阪大学大学院工学研究科 サントリー記念館（C3棟）5階 メモリアルホール）
○ 荻博次, 最先端超音波計測とバイオサイエンス：音が光を凌駕するとき
28th Anniversary World Congress on Biosensors (Biosensors 2018)（2018年6月12日（火）～15日（金）於 Hyatt Regency Miami Miami, Florida, USA）
○ Kentaro Noi, Khotaro Yamada, Yuji Goto, and Hirotsugu Ogi, Dynamic Characterization of Amyloid Fibril Degradation by Anthocyanin Using TIRFM-QCM
○ Hirotsugu Ogi, Shigeru Iwagami, Akira Nagakubo, Takuya Taniguchi Taniguchi, Teruo Ono, Nano-plate biosensor array using ultrafast heat transport through proteins (invited)
○ Tomoyuki Nonaka, Akimi Uchida, Fumihito Kato, and Hirotsugu Ogi, The process of thin crystal oscillator and wireless MEMS QCM biosensor for direct detection of biomarkers
○ Fumihito Kato, Hiroyuki Noguchi, Ryo Aruga, Hirotsugu Ogi, Dai Matsumoto, Kotaro Furuta, and Teruyoshi Matsumoto, Wireless-electrodeless quartz crystal microbalance biosensor integrated with piezoelectric micropump by nanoimprint lithography using poly(dimethylsiloxane)
電子情報通信学会 音響・超音波サブソサイエティ合同研究会（2018年1月23日（火） 於 関西大学 100周年記念会館）
○ 荻 博次, 電磁超音波共鳴による非接触材料評価 ～ EMATの基礎と応用 ～ (invited)
#2017
Australian National University (ANU) & IPR 2nd Joint Symposium 2017 “PROTEIN STRUCTURE AND FUNCTION”（2017年12月3日（日）～5日（火） 於 Institute for Protein Research, Osaka University, Japan ）
○ Hirotsugu Ogi, Ultrasonic cavitation and fibrillation phenomenon of protein (invited)
The 38th Symposium on Ultrasonics Electronics（2017年10月25日（水）～27日（金） 於 Tagajo City Cultural Center, Miyagi, Japan ）
○ Kanta Adachi, Hirotsugu Ogi, Nobutomo Nakamura, Hideyuki Watanabe, Toshimitsu Ito, Yasuko Ozaki, Application of resonant ultrasound spectroscopy to β-Ga2O3
○ Seiya Tsuboi, Kanta Adachi, Akira Nagakubo, and Hirotsugu Ogi, Theoretical study on elastic properties of Si2N2O by ab-initio calculation
○ Akira Nagakubo, Lee Henu Tae, Yoshio Ueda, Hirotsugu Ogi, Takahiro Moriyama, and Teruo Ono, Elastic constant of alpha and beta tungsten films studied by picosecond ultrasonics
○ Tomoya Ueno, Nobutomo Nakamura, and Hirotsugu Ogi, Theoretical Analysis and Experimental Monitoring of Morphology Change of Thin Film during Deposition
○ Daisuke Nishioka, Kentarou Noi, and Hirotsugu Ogi, Influence of ultrasonic duty cycle on ultrasonically induced aggregation reaction of amyloid-beta protein
○ Nobutomo Nakamura, Nobutaka Takeuchi, and Hirotsugu Ogi, Measurement of Elastic Stiffness of Fe, Cr and Fe/Cr-Multilayer Films by Picosecond Ultrasound
○ Fumihito Kato, Hiroyuki Noguchi, Jun Kishinami, Chihaya Kimura, Taichi Kobayashi, Takumi Kobayashi, Keita Komori, and Hirotsugu Ogi, Sequential Detection of Immunoglobulin G via Nonspecific Adsorbed Staphylococcal Protein A Using PDMS Quartz Crystal Microbalance Sensor
○ Naoya Oshida, Noriyasu Masumoto, Fumihito Kato, Zhang Xiaoyou, and Hirotsugu Ogi, Fundamental Study of Magnetic Drive Micropump for Integration of Quartz Crystal Microbalance Sensor
○ Kenichi Tanigaki, Keitaro Horikawa, Hidetoshi Kobayashi, Kanta Adachi, Nobutomo Nakamura, and Hirotsugu Ogi, Effect of Na impurity on the elastic constants of Al-5%Mg alloy
○ Kentaro Noi and Hirotsugi Ogi, Dynamic characterization of amyloid-fibril formation of Amyloid beta peptide using total-internal-reflection fluorescence microscopy coupled with quartz-crystal microbalance biosensor
精密工学会 2017年度秋季大会（2017年9月22日（金） 於 大阪大学豊中キャンパス ）
○ 中塩：可視光通信のための表面プラズモン共鳴を用いた金属‐誘電体‐金属(MIM)構造型光学フィルタの開発 (中塩達也、藤田連央、中野元博、押鐘寧、村井健介)
○ 石崖：ファイバ型PDIを用いた球面ミラー形状計測 (石崖格、中野元博、押鐘寧)
日本物理学会 2017年秋季大会（2017年9月23日（土） 於 岩手大学上田キャンパス ）
○ 足立：α型TeO2の力学共振モード擬交差の研究(足立寛太、中村将也、中村暢伴、荻博次)
日本非破壊検査協会 平成29年度第2回「超音波による非接触材料評価研究会」（2017年9月15日（金） 於 キャンパスプラザ京都 ）
○ 荻博次：熱モードスペクトロスコピー：熱の共振という概念(invited)
2017 IEEE International Ultrasonics Symposium（2017年9月6日（水）～8日（金） 於 Omni Shoreham Hotel, Washington, D.C., USA ）
○ 坪井：Temperature behavior of sound velocity of SiON thin films studied by picosecond ultrasound（Seiya Tsuboi, Hirotsugu Ogi, Akira Nagakubo, Nobutomo Nakamura, Satoru Matsuda, and Yoshiro Kabe）
○ 荻：Ultra-High-Frequency Wireless MEMS QCM Biosensor for Direct Detection of Biomarkers in Serum（Hirotsugu Ogi and Arihiro Iwata）
○ 中村：Monitoring of Morphological Change of Deposited Metallic Thin Film Through Internal Friction of Noncontacting Piezoelectric Oscillator（Nobutomo Nakamura and Hirotsugu Ogi）