Nagaoka Ryo

Affiliation and department：

Research field (1)： Medical systems

Research keywords (1)：医用超音波計測

Research theme for competitive and other funds (12)：

2022 - 2026 超高速超音波イメージングを用いた血流解析による頚動脈プラーク不安定性評価
2022 - 2025 生体組織の多層音響モデル化による縦波音速分布推定
2021 - 2024 Diagnostic Technology for Cytokine Storms Using Quantitative Ultrasound Microscopy with Submicron Resolution
2021 - 2024 Noninvasive visualization of change in temperature in living body using ultrasound
2018 - 2023 Accurate functional imaging of artery using ultrafast ultrasound

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Papers (82)：

Takatoshi Maru, Masaaki Omura, Ryo Nagaoka, Kozue Saito, Hideyuki Hasegawa. Effects of beam steering angle and excitation frequency on blood flow imaging with plane wave imaging. Japanese Journal of Applied Physics. 2024. 63. 4. 04SP34-04SP34
Tatsuya Yano, Hiromu Fujisawa, Masaaki Omura, Ryo Nagaoka, Kozue Saito, Hideyuki Hasegawa. Investigation on vector Doppler method for carotid artery wall with focused transmit beams produced from a cross-shaped probe. Japanese Journal of Applied Physics. 2024. 63. 4. 04SP33-04SP33
Masaaki Omura, Kunimasa Yagi, Ryo Nagaoka, Hideyuki Hasegawa. Correction to: Contrast analysis in ultrafast ultrasound blood flow imaging of jugular vein. Journal of medical ultrasonics (2001). 2024
Michio Takeuchi, Toshihiko Sakai, Yusuke Oshima, Yasuhiro Kojima, Kenji Mori, Masaaki Omura, Ryo Nagaoka, Hideyuki Hasegawa. Nakagami parametric image for evaluation of the degree of thermal denaturation inside porcine liver induced ex vivo by radiofrequency ablation. Japanese Journal of Applied Physics. 2023
Ryo Nagaoka, Masaaki Omura, Hideyuki Hasegawa. Effects from imaging parameters of sub-aperture averaging in minimum variance adaptive beamforming using outputs of delay-and-sum beamformer. Japanese Journal of Applied Physics. 2023

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MISC (8)：

田渕圭章, 平野哲史, 長岡亮, 大村眞朗, 長谷川英之. Examination of the involvement of actin cytoskeleton on the osteogenic differentiation induced by low-intensity pulsed ultrasound. 超音波医学 Supplement. 2023. 50
西條芳文, 新楯諒, 鈴木陸, 石井琢郎, 荒川元孝, 梅村晋一郎, 吉澤晋, 長岡亮, 小林和人, 根本隆治. High frequency ultrasound / photoacoustic imaging at Tohoku University. 超音波医学 Supplement. 2022. 49
森野太介, 新楯諒, 長岡亮, 吉澤晋, 梅村晋一郎, 西條芳文. 半球型アレイトランスデューサーを用いた3次元光音響イメージングにおける1方向垂直照射と4方向傾斜照射の比較検討-Comparative study of one-way vertical illumination and four-way oblique illumination in three-dimensional photoacoustic imaging using a hemispherical array transducer-超音波. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2019. 119. 211. 29-33
長岡亮, 吉澤晋, 梅村晋一郎, 西條芳文. 光超音波トモグラフィにおける光超音波信号の初期位相の補正による深さ分解能の改善に関する研究 : 高空間分解能化を目指して. 超音波テクノ. 2019. 31. 3. 70-74
長谷川英之, 長岡亮. 医用超音波利用の最新動向. 機能材料. 2019. 39. 3. 36-41

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Books (3)：

Relationship Between Skin Viscoelasticity and Sebaceous Grands Morphology Observed by Three-Dimensional Ultrasound Microscopy
2015
Measurement of Skin Elasticity Using High Frequency Ultrasound Elastography with Intrinsic Deformation Induced by Arterial Pulsation
2014
High Frequency Ultrasound Viscoelasticity Measurement of Artificial Skin with Acoustic Radiation Force
2013

Lectures and oral presentations (1)：

Development of Photoacoustic Tomography System for Visualization of Micro-Circulation
(International Young Researchers’ Workshop on Multimodal Medical Engineering 2018 2018)

Education (4)：

Professional career (1)：

Work history (5)：

2021/06 - 現在 University of Toyama Faculty of Engineering
2020/04 - 2021/05 University of Toyama Faculty of Engineering
2018/03 - 2020/03 University of Toyama Graduate School of Science and Engineering for Research
2016/04 - 2018/01 東北大学大学院医工学研究科特任助教
2014/04 - 2016/03 東北大学大学院医工学研究科日本学術振興会特別研究員(DC2)

Committee career (1)：

Awards (8)：

2019/05 - 日本超音波医学会奨励賞
2018/10 - USE2017 論文賞受賞 (共著)
2016/03 - 東北地区若手研究者研究発表会優秀発表賞
2016/03 - 日本音響学会東北支部優秀論文賞
2014/10 - The 9th Asian-Pacific Conference on Medical and Biological Engineering Second place of student poster competition

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