TALKS

International Conferences

• Takumi Koike, Yusuke Ito, Guoqi Ren, Ayumu Ishijima, Naohiko Sugita. Study on the propagation behaviour of ultrashort pulses inside synthetic silica glass. The 24th International Symposium on Laser Precision Microfabrication, Hirosaki Bunka Center, Aomori, JP, pp. R3-S39-2 (June 16, 2023). 

• Keitaro Shimada, Yuki Inada, Ayumu Ishijima, Keiichi Nakagawa. Two-dimensional electron density measurement of ultrafast laser ablation plume with Shack–Hartmann sensor. The 24th International Symposium on Laser Precision Microfabrication, Hirosaki Bunka Center, Aomori, JP, pp. R3-S27-4 (June 15, 2023). 

• Keitaro Shimada, Yuki Inada, Ayumu Ishijima, Keiichi Nakagawa. Accurate measurement of a two-dimensional line-integrated electron density distribution in irreproducible microscale high-density plasmas. The 4th University of Toronto, McMaster University and the University of Tokyo (UT2-MAC) Student Workshop, The University of Tokyo, Tokyo, JP (May, 2023). 

• Tetsuro Nitta, Hiroshi Fukuoka, Suda Atsushi, Tetsuro Ikeyama, Ayumu Ishijima, Keiichi Nakagawa. Development of virtual optical waveguide: effect of flatness ratio of the open elliptical on high-pressure area by 3D numerical calculation. 9th Asian Joint Workshop on Thermophysics and Fluid Science, Utsunomiya (2022.11.27-30).

• (Invited) Ayumu Ishijima. Dispersive coherent Brillouin scattering spectroscopy for biomaterial characterization. International Conference on Materials Science, Engineering & Technology 2022, National University of Singapore (2022.9.9).

• Takao Saiki, Keitaro Shimada, Ayumu Ishijima, Hang Song, Ichiro Sakuma, and Keiichi Nakagawa. Multi-frame single-shot ultrafast interferometry of laser-induced surface acoustic waves. International Conference on Ultrafast Phenomena, Hotel Bonaventure, Canada, pp. Th4A.44 (2022.7.21).

• Tetsuro Ikeyama, Hiroshi Fukuoka, Keiichi Nakagawa, Ayumu Ishijima. Development of virtual optical waveguide: numerical analysis of focusing underwater shock waves. Proceedings of the 32th International Symposium on Transport Phenomena (ISTP32), Online, pp. 215 (2022.3.19-21).

• Tetsuro Ikeyama, Hiroshi Fukuoka, Keiichi Nakagawa, Ayumu Ishijima. Development of virtual optical waveguide: numerical analysis of focusing underwater shock waves. The 12th TSME International Conference on Mechanical Engineering, Online (2021.11.14-17).

• Rina Nagano, Kazuaki Hara, Ayumu Ishijima, Naoki Tomii, Keiichi Nakagawa, Yuki Akagi, Masatoshi Yamazaki, Hiroyuki Tsukihara, Etsuko Kobayashi, Takashi Ohya, Ichiro Sakuma. Development of an electromagnetic catheter tracking system using TMR sensor for superselective intra-arterial chemotherapy. Computer Assisted Radiology and Surgery 2021, Online, (June 2021).

• Fumiki Sensui, Mizuki Uenomachi, Kenji Shimazoe, Zhihong Zhong, Ayumu Ishijima, Keiichi Nakagawa, Hiroyuki Takahashi. Measurement of Angular Correlation Changes in Double-Photon Emission Nuclides Using Ultrasound irradiation. 22nd International Workshop on Radiation Imaging Detectors, Online, pp. 215 (June 29, 2021).

• Keitaro Shimada, Yuki Inada, Ayumu Ishijima, Takao Saiki, Ichiro Sakuma, Keiichi Nakagawa. Electron density imaging of ultrafast plasma dynamics with two-color STAMP. OPIC OPTICS & PHOTONICS International Congress 2021 , Online, pp. ALPS-1-03 (April 19, 2021). 

• Ayumu Ishijima, Satoshi Yamaguchi, Takashi Azuma, Etsuko Kobayashi, Kazuhiro Kakimi, Yoshikazu Shibasaki, Teruyuki Nagamune and Ichiro Sakuma. Immunogenic cell death induced by selective intracellular vaporization in vitro. Proceedings of the IFMBE 11th Asian Pacific Conference on Medical and Biological Engineering, Online (May 26, 2020). 

• Takao Saiki, Ayumu Ishijima, Ichiro Sakuma, and Keiichi Nakagawa. Spectrum circuit for producing spectrally separated nanosecond pulse train in free space. Conference on Lasers and Electro-Optics 2020, San Jose, US (May 10-15 2020). 

• Seiichi Ohta, Emi Kikuchi, Ayumu Ishijima, Etsuko Kobayashi, Takashi Azuma, Ichiro Sakuma, and Taichi Ito. Size-dependent delivery of nanoparticles to brain assisted by focused ultrasound-mediated BBB disruption. 256th ACS National Meeting, Boston, MA (August 19-23 2018). 

• Seiichi Ohta, Emi Kikuchi, Ayumu Ishijima, Takashi Azuma, Ichiro Sakuma, and Taichi Ito. Effect of size on drug carrier delivery to brain assisted by focused ultrasound-mediated BBB disruption. The 18th International Symposium on Therapeutic Ultrasound, Vanderbilt University, Nashville, Tennessee, USA, (May 14 - 17, 2018).

• Miho Kisaka, Satoshi Yamaguchi, Ayumu Ishijima, Takashi Azuma, Etsuko Kobayashi, Yoshikazu Shibasaki, Teruyuki Nagamune, Ichiro Sakuma and Akimitsu Okamoto. Cytosolic protein delivery using phase-change nano-droplets. IGER International Symposium on Cell Surface structures and Functions 2017, Nagoya University (November 2017). 

• Ayumu Ishijima, S.Yamahira, S.Yamaguchi, E.Kobayashi, Y.Shibasaki, T.Azuma, T.Nagamune and I. Sakuma. Antibody-conjugated phase-change nano-droplet for ultrasound therapeutic agent. Proceedings of The IEEE International Ultrasonics Symposium, Omni Shoreham Hotel, Washington, D.C., USA, pp. 50-52 (September 9, 2017). 

• Ayumu Ishijima, T.Azuma, K.Minamihata, S.Yamaguchi, S.Yamahira, R.Ichikawa, E.Kobayashi, M.Iijima, Y.Shibasaki, T.Nagamune and I. Sakuma. Intracellular vaporization of antibody-conjugated phase-change nano-droplets for selective cancer therapy. Proceedings of The 17th International Symposium on Therapeutic Ultrasound, Jinling Hotel, Nanjing, China, pp. 50-52 (June 1, 2017). 

• Jun Tanaka, Kentaro Kikuchi, Ayumu Ishijima, Takashi Azuma, Kosuke Minamihata, Satoshi Yamaguchi, Teruyuki Nagamune, Ichiro Sakuma and Shu Takagi. Thermal monitoring of HIFU using thermal memory effect of phase-change nano-droplet. 16th International Symposium of Therapeutic Ultrasound, pp. 160-162, Israel (March 2016).

• Jun Tanaka, Ayumu Ishijima, Takashi Azuma, Kosuke Minamihata, Satoshi Yamaguchi, Teruyuki Nagamune, Ichiro Sakuma, Shu Takagi, and Yoichiro Matsumoto. A study on the effects of ambient temperature conditions on phase change of nano droplets. 15th International Symposium of Therapeutic Ultrasound, pp. 154-155, Netherland (April 2015). 

• Ayumu Ishijima, Sharon Mondrik, Richard A. Schwarz, Nadarajah Vigneswaran, Ann M. Gillenwater and Rebecca Richards-Kortum. Automated frame selection process for analyzing high resolution microendoscope images. Proc. SPIE Translational Biophotonics, 91551M, Houston, Texas, USA (2014). 

Domestic Conferences

主著，招待講演

• (Invited) 石島歩．音響光技術とバイオイメージング．日本光学会光エレクトロニクス産学連携専門委員会第337回研究会．東京理科大学森戸記念館 (2023.12.4)，口頭.

• (Invited) 石島歩．ブリルアン散乱光の空間多重化計測によるバイオイメージング ．Optics & Photonics Japan 2023（レーザ顕微鏡研究会ジョイントシンポジウム）．北海道大学学術交流会館 (2023.11.28)，口頭.

• (Invited) 石島歩，岡部真我，佐久間一郎，中川桂一．ライトシートブリルアン散乱顕微法の原理実証．第70回応用物理学会春季学術講演会，pp. 15p-A405-1，上智大学四ツ谷キャンパス (2023.3.15)，口頭.

• 石島歩．超音波のバイオ・医療応用．第8回北大・部局横断シンポジウム，pp. O-23，オンライン (2022.10.28)，口頭.

• 石島歩，岡部真我，中川桂一，佐久間一郎．ライトシートブリルアン散乱顕微法の提案と実証．第83回応用物理学会秋季学術講演会，pp. 20p-C301-17，仙台 (2022.9.20)，口頭.

• (Invited) 高木周，石島歩，範海嘯，榛葉健太，神保泰彦．超音波刺激による神経細胞活動誘発に対するキャビテーションの影響について．日本超音波医学会第95回学術集会，名古屋国際会議場 (2022.5.21).

• 石島歩，範海嘯，榛葉健太 ， 東隆 ，神保泰彦 ，高木周．サブMHz 超音波による神経細胞刺激の物理作用機序．キャビテーションに関するシンポジウム（第20 回），pp. S2-5，オンライン (2021.12.9)，口頭.

• (Invited) 石島歩, Stefan Wunderl, 中川桂一．音響波による生体試料中の光伝播操作．レーザー学会学術講演会第41回年次大会，S07-18p-IX-02，オンライン (2021.1.18)，口頭.

• 石島歩、柳生右京、北村憲太、佐久間一郎、中川桂一．レーザ駆動非線形音響波による生体内光導波路 ．日本光学会年次学術大会2019，pp. 5aB6，大阪大学コンベンションセンター (2019.12.5)，口頭. 

• 石島歩，東隆，南畑孝介，山口哲志，山平真也，小林英津子，飯嶋麻里子，柴崎芳一，長棟輝行，佐久間一郎．抗体修飾相変化ナノ液滴による選択的細胞内気泡化．日本超音波医学会第90回学術集会，日本超音波医学会第90回学術集会プログラム・講演抄録集 pp. S433, 宇都宮東武ホテルグランデ，宇都宮，栃木 (2017.5.27)，口頭． 

• 石島歩，東隆，山平真也，小林英津子，長棟輝行，佐久間一郎，川畑健一．音響化学療法の作用機序：ラジカルによる色素増感剤の’活性化’．第56回日本生体医工学大会，第56回日本生体医工学大会プログラム・抄録集 pp. 406, 東北大学医学部星陵キャンパス，仙台，宮城 (2017.5.5)，口頭.

• 石島歩，南畑孝介，山口哲志，山平真也，小林英津子，飯嶋麻里子，柴崎芳一，東隆，長棟輝行，佐久間一郎．相変化ナノ液滴と細胞のインタラクション観察． 第10回システム疾患生命科学による先端医療技術開発シンポジウム，東京 (2017). 

• 石島歩，東隆，南畑孝介，山口哲志，小林英津子，長棟輝行，佐久間一郎．The lifetime evaluation of vapourised phase-change nano-droplets. 第16回東京大学生命科学シンポジウム，東京  (2016). 

• 石島歩，田中純，菊池健太郎，東隆，南畑孝介，山口哲志，小林英津子，長棟輝行，柴崎芳一，佐久間一郎．相変化ナノ液滴由来バブルの気泡寿命制御手法の検討．第9回システム疾患生命科学による先端医療技術開発シンポジウム，東京 (2016). 

• 石島歩，田中純，菊池健太郎，東隆，南畑孝介，山口哲志，長棟輝行，長棟輝行，柴崎芳一，小林英津子，佐久間一郎．相変化ナノ液滴気泡化の超音波モニタリング． 日本生体医工学会関東支部若手研究者発表会2015，東京 (2015). 

• Ayumu Ishijima, Jun Tanaka, Takashi Azuma, Miyuki Maezawa, Takehiro Ando, Etsuko Kobayashi and Ichiro Sakuma. Optically and acoustically simultaneous measurement of phase change nano-droplet vaporization. Proc. of the 36th Symposium on Ultrasonic Electronics 35, 311–312, Tokyo (2014)，ポスター. 

• 石島歩，田中純，東隆，南畑孝介，山口哲志，長棟輝行，安藤岳洋，小林英津子，佐久間一郎．超音波による相変化ナノ液滴の気泡化特性に関する検討．第13回日本超音波治療研究会講演論集，pp. 26，仙台，宮城 (2013). 

第2著者以降

Others

• 石島歩，冨菜雄介，澁川敦史，三上秀治．ポスター発表．音響光技術のバイオイメージングへの展開．日本学術会議公開シンポジウム「光がもたらす未来社会～ICOの新たな発展に向けて～」，日本学術会議講堂 (2023.7.10.)．

• 石島歩．口頭発表．「博士課程に行こう」．Frontiers of CAS Symposium 2022．11月11日，オンライン (2022)．

• Ayumu Ishijima. Oral presentation, Intracellular vaporization of antibody-conjugated phase-change nano-droplets for sonoimmunotherapy. Chile–Japan Academic Forum at Patagonia 2016, Puerto Natales, Chile (2016).

• Ayumu Ishijima. Oral presentation. Ultrasound Cancer Imaging and Therapy using Phase-Change Nano-Droplet. GSDM Initiative -Medical devices & HTA: GSDM annual residential study program; oversea seminar at Intuitive Surgical Inc., Stanford University, UC Berkeley to foster top researchers understanding regulatory issues, USA (2015).