Umemura Laboratory

Umemura Laboratory

Journal Papers   (including papers published before our laboratory was established)

1985/1986/1987/1988/1989/1990/
1991/1992/1993/1994/1995/1996/1997/1998/1999/2000/
2001/2002/2003/2004/2005/2006/2007/2008/2009/2010/
2011/2012/2013/2014/2015/2016/2017/2018

2018

2017

2016

2015

2014

2013

  • N. Yumita, Y. Iwase, T. Imaizumi, A. Sakurazawa, Y. Kaya, K. Nishi, T. Ikeda, S. Umemura, F. Chen, and Y. Momose , "Sonodynamically-induced Anticancer Effects by Functionalized Fullerenes", ANTICANCER RESEARCH, vol. 33, no. 8, pp. 3145-3151, Aug. 2013.
  • S. Umemura, S. Yoshizawa, R. Takagi, Y. Inaba, and J. Yasuda , " Enhancement of Focused Ultrasound Treatment by Acoustically Generated Microbubbles,"Japanese Journal of Applied Physics, vol. 52, pp. 07GF23 1-6, 2013.
  • A. Asai, H. Okano, S. Yoshizawa, and S. Umemura , " Analysis of Temperature Rise Induced by High-Intensity Focused Ultrasound in Tissue-Mimicking Gel Considering Cavitation Bubbles ,"Japanese Journal of Applied Physics, vol. 52, pp. 07HF02 1-6, 2013.
  • S. Harigane, R. Miyasaka, S. Yoshizawa, and S. Umemura , " Optical Phase Contrast Mapping of Highly Focused Ultrasonic Fields,"Japanese Journal of Applied Physics, vol. 52, pp. 07HF07 1-5, 2013.
  • K. Nakamura, A. Asai, H. Sasaki, S. Yoshizawa, and S. Umemura , " Large Volume Coagulation Utilizing Multiple Cavitation Clouds Generated by Array Transducer Driven by 32 Channel Drive Circuits,"Japanese Journal of Applied Physics, vol. 52, pp. 07HF10 1-5, 2013.
  • H. Aoki, K. Ichizuka, M. Ichihara, R. Matsuoka, J. Hasegawa, T. Okai and S. Umemura, "Application of high-intensity focused ultrasound for fetal therapy: experimental study using an animal model of lower urinary tract obstruction,"Journal of Medical Ultrasonics, vol. 40, no. 2, pp. 107-110, 2013.
  • T. Okai, K. Ichizuka, J. Hasegawa, R. Matsuoka, M. Nakamura, K. Shimodaira, A. Sekizawa, M. Kushima and S. Umemura, "First successful case of non-invasive in-utero treatment of twin reversed arterial perfusion sequence by high-intensity focused ultrasound,"Ultrasound in Obstetrics & Gynecology, vol. 42, pp. 112-114, 2013.

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2012

2011

2010

2009

  • M. Yamamoto, T. Azuma and S. Umemura, "Beamforming Design to Suppress Response from Strong Reflectors," Japanese Journal of Applied Physics, vol. 48, pp. 07GJ03, 2009.
  • T. Azuma, S. Sonoda, K. Kawabata and S. Umemura, "High-Amplitude and Long-Burst Pulse Transmission Array Probe for Phase-Change Molecular Imaging," Japanese Journal of Applied Physics, vol. 48, pp. 07GK09, 2009.
  • M. Nonaka, M. Yamamoto, S. Yoshino, S. Umemura, K. Sasaki and T. Fukushima, "Sonodynamic Therapy Consisting of Focused Ultrasound and a Photosensitizer Causes a Selective Antitumor Effect in a Rat Intracranial Glioma Model," Anticancer Res., vol. 29, no. 3, pp. 943-950, 2009.
  • S. Yoshino, T. Fukushima, S. Hayashi, M. Nonaka, K. Ogawa, K. Sasaki and S. Umemura, "Effects of Focused Ultrasound Sonodynamic Treatment on the Rat Blood-Brain Barrier," Anticancer Res., vol. 29, no. 3, pp. 889-895, 2009.
  • S. Yoshizawa, T. Ikeda, A. Ito, R. Ota, S. Takagi and Y. Matsumoto "High Intensity Focused Ultrasound Lithotripsy with Cavitating Microbubbles," Med.Boil.Eng.Comput., vol. 47, pp. 851-860, 2009.
  • 吉澤晋, 高木周, 松本洋一郎 "超音波音場における微小気泡の成長 (2周波数重畳法によるrectified diffusionの増強効果)," 日本機械学会論文集 B編, vol. 75, no. 752, pp. 142-149, 2009.
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2008

  • T. Ishikawa, T. Okai, K. Sasaki, S. Umemura, N. Miyazaki, M. Kushima, H. Aoki, M. Ichihara and K. Ichizuka, "Sequential changes in rat femoral artery blood flow and tissue degeneration after exposure to high-intensity focused ultrasound," Journal of Medical Ultrasonics, vol. 35, no. 4, pp. 177-182, 2008.
  • N. Yumita, Q. S. Han, I. Kitazumi and S. Umemura, "Sonodynamically-induced apoptosis, necrosis, and active oxygen generation by mono-l-aspartyl chlorin e6," Cancer Science, vol. 99, no. 1, pp. 166-172, 2008.
  • N. Koizumi, K. Ota, D. Lee, S. Yoshizawa, A. Ito, Y. Kaneko, K. Yoshinaka, Y. Matsumoto and M. Mitsuishi "Feed-Forward Controller for the Integrated Non-Invasive Ultrasound Diagnosis and Treatment," Journal of Robotics and Mechatronics, vol. 20, no. 1, pp. 89-97, 2008.
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2007

  • K. Ichizuka, S. Ando, M. Ichihara, T. Ishikawa, N. Uchiyama, K. Sasaki, S. Umemura, R. Matsuoka, A. Sekizawa, T. Okai, T. Akabane and M. Kushima "Application of high-intensity focused ultrasound for umbilical artery occlusion in a rabbit model," Ultrasound in Obstetrics & Gynecology, vol. 30, no. 1, pp. 47-51, 2007.
  • M. Ichihara, K. Sasaki, S. Umemura, M. Kushima and T. Okai "Blood Flow Occlusion Via Ultrasound Image-Guided High-Intensity Focused Ultrasound and Its Effect on Tissue Perfusion," Ultrasound in Medicine & Biology, vol. 33, no. 3, pp. 452-459, 2007.
  • H. Yoshikawa, T. Azuma, K. Sasaki, K. Kawabata and S. Umemura "Motion-Compensated Frame-Accumulating Method to Improve Quality of Carotid Artery Images," Japanese Journal of Applied Physics, vol. 46, no. 7B, pp. 4834-4840, 2007.
  • N. Yumita, N. Okuyama, K. Sasaki and S. Umemura "Sonodynamic therapy on chemically induced mammary tumor: pharmacokinetics, tissue distribution and sonodynamically induced antitumor effect of gallium-porphyrin complex ATX-70," Cancer Chemotherapy and Pharmacology, vol. 60, no. 6, pp. 891-897, 2007.
  • N. Sugita, K. Kawabata, K. Sasaki, I. Sakata and S. Umemura "Synthesis of amphiphilic derivatives of rose bengal and their tumor accumulation," Bioconjugate Chemistry, vol. 18, no. 3, pp. 866-873, 2007.
  • N. Yumita, Q. S. Han and S. Umemura "Sonodynamically induced apoptosis with porfimer sodium in HL-60 cells," Anti-Cancer Drugs, vol. 18, no. 10, pp. 1149-1156, 2007.
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2006

  • K. Sasaki, M. S. Medan, T. Azuma, K. Kawabata, M. Shimoda and S. Umemura "Effect of echo-guided high-intensity focused ultrasound ablation on localized experimental tumors," Journal of Veterinary Medical Science, vol. 68, no. 10, pp. 1069-1074, 2006.
  • K. Sasaki, T. Azuma, K. Kawabata, S. Umemura, R. Tanaka, Y. Yamane and M. Shimoda "Chronic effect of transrectal split-focus ultrasonic ablation on canine prostatic tissue," Journal of Veterinary Medical Science, vol. 68, no. 8, pp. 839-845, 2006.
  • G. Kagiya, Y. Tabuchi, L. Feril, R. Ogawa, Q. Zhao, N. Kudo, W. Hiraoka, K. Tachibana, S. Umemura and T. Kondo "Confirmation of enhanced expression of heme oxygenase-1 gene induced by ultrasound and its mechanism: analysis by cDNA microarray system, real-time quantitative PCR, and Western blotting," Journal of Medical Ultrasonics, vol. 33, no. 1, pp. 3-10, 2006.
  • H. Yoshikawa, T. Azuma, K. Sasaki, K. Kawabata and S. Umemura "Dynamic and Precise Visualization of Contrast Agent in Blood Vessels with Motion Correction," Japanese Journal of Applied Physics, vol. 45, no. 5B, pp. 4754-4760, 2006.
  • M. Ogihara, J. Kubota, T. Azuma, K. Ando, Y. Tanifuji, S. Umemura and H. Furuhata "Verification of Ultrasonic Thrombolysis Effect by in Vitro Experiments," Japanese Journal of Applied Physics, vol. 45, no. 5B, pp. 4736-4739, 2006.
  • T. Ikeda, S. Yoshizawa, M. Tosaki, J. S. Allen, S. Takagi, N. Ohta, T. Kitamura and Y. Matsumoto "Cloud cavitation control for lithotripsy using high intensity focused ultrasound," Ultrasound in Medicine & Biology, vol. 32, no. 9, pp. 1383-1397, 2006.
  • 吉澤晋, 池田貞一郎, 高木周, 松本洋一郎 "球形気泡クラウドの非線形崩壊挙動(流体工学,流体機械)," 日本機械学会論文集 B編, vol. 72, no. 715, pp. 620-627, 2006.
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2005

  • T. Azuma, K. Kawabata, S. Umemura, M. Ogihara, J. Kubota, A. Sasaki and H. Furuhata "Bubble Generation by Standing Wave in Water Surrounded by Cranium with Transcranial Ultrasonic Beam," Japanese Journal of Applied Physics, vol. 44, no. 6B, pp. 4625-4630, 2005.
  • H. Yoshikawa, T. Azuma, K. Kawabata, Y. Taniguchi and S. Umemura "Three-Dimensional Tracking Method of Tissue Motion with Biplane Images," Japanese Journal of Applied Physics, vol. 44, no. 6B, pp. 4561-4566, 2005.
  • K. Kawabata, N. Sugita, H. Yoshikawa, T. Azuma and S. Umemura "Nanoparticles with Multiple Perfluorocarbons for Controllable Ultrasonically Induced Phase Shifting," Japanese Journal of Applied Physics, vol. 44, no. 6B, pp. 4548-4552, 2005.
  • S. Umemura, K. Kawabata and K. Sasaki "In vivo acceleration of ultrasonic tissue heating by microbubble agent," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 52, no. 10, pp. 1690-1698, 2005.
  • L. B. Feril Jr, T. Kondo, Z. -G. Cui, Y. Tabuchi, Q. -L. Zhao, H. Ando, T. Misaki, H. Yoshikawa and S. Umemura "Apoptosis induced by the sonomechanical effects of low intensity pulsed ultrasound in a human leukemia cell line," Cancer Letters, vol. 221, no. 2, pp. 145-152, 2005.
  • T. Fukuda, J. Shimizu, H. Furuhata, T. Abe, K. Shimizu, T. Oishi, M. Ogihara, H. Yoshikawa and S. Umemura "Overexpression of heat shock proteins in pallido-nigral axonal spheroids of nonhuman aged primates," Acta Neuropathologica, vol. 110, no. 2, pp. 145-150, 2005.
  • Y. Matsumoto and S. Yoshizawa "Behaviour of a bubble cluster in an ultrasound field," International Journal for Numerical Methods in Fluids, vol. 47, no. 6-7, pp. 591-601, 2005.
  • Y. Matsumoto, J. S. Allen, S. Yoshizawa, T. Ikeda and Y. Kaneko "Medical ultrasound with microbubbles," Experimental Thermal and Fluid Science, vol. 29, no. 3, pp. 255-265, 2005.
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2004

  • K. Sasaki, K. Kawabata, N. Yumita and S. Umemura "Sonodynamic treatment of murine tumor through second-harmonic superimposition," Ultrasound in Medicine & Biology, vol. 30, no. 9, pp. 1233-1238, 2004.
  • N. Yumita and S. Umemura "Sonodynamic antitumour effect of chloroaluminum phthalocyanine tetrasulfonate on murine solid tumour," Journal of Pharmacy and Pharmacology, vol. 56, no. 1, pp. 85-90, 2004.
  • N. Yumita and S. Umemura "Ultrasonically induced cell damage and membrane lipid peroxidation by photofrin II: mechanism of sonodynamic activation," Journal of Medical Ultrasonics, vol. 31, no. 1, pp. 35-40, 2004.
  • S. Umemura, K. Kawabata, N. Sugita, K. Sasaki and N. Yumita "Sonodynamic approaches to tumor treatment," International Congress Series, vol. 1274, pp. 164-168, 2004.
  • N. Yumita, N. Okuyama, K. Sasaki and S. Umemura "Sonodynamic therapy on chemically induced mammary tumor: pharmacokinetics, tissue distribution and sonodynamically induced antitumor effect of porfimer sodium," Cancer Science, vol. 95, no. 9, pp. 765-769, 2004.
  • T. Ikeda, M. Tosaki, S. Yoshizawa and Y. Matsumoto "High-speed photography and acoustic emission synchronized observation of ultrasound induced acoustic cloud cavitation," Journal of the Acoustical Society of America, vol. 116, no. 4, pp. 2508, 2004.
  • 池田貞一郎, 吉澤晋, 戸崎正崇, 金子幸生, 高木周, 松木洋一郎 "クラウドキャビテーションの崩壊現象を利用した結石破砕法 : 第1報,クラウドキャビテーション制御手法の開発(流体工学,流体機械)," 日本機械学会論文集 B編, vol. 70, no. 692, pp. 904-911, 2004.
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2003

  • T. Ishikawa, T. Okai, K. Sasaki, S. Umemura, R. Fujikawa, M. Kushima, M. Ichihara and K. Ichizuka "Functional and histological changes in rat femoral arteries by HIFU exposure," Ultrasound in Medicine & Biology, vol. 29, no. 10, pp. 1471-1477, 2003.
  • K. Sasaki, T. Azuma, K. Kawabata, M. Shimoda, E. Kokue and S. Umemura "Effect of split-focus approach on producing larger coagulation in swine liver," Ultrasound in Medicine & Biology, vol. 29, no. 4, pp. 591-599, 2003.
  • T. Kondo, J. Nishimura, H. Kitagawa, S. Umemura, K. Tachibabna and K. Toyosawa "Optimization of enhancement of therapeutic efficacy of ultrasound: Frequency-dependent effects on iodine formation from KI-starch solutions and ultrasound-induced killing of rat thymocytes," Journal of Medical Ultrasonics, vol. 30, no. 2, pp. 93-101, 2003.
  • K. Kawabata and S. Umemura "Effect of Periodic Phase Shift on Acoustic Cavitation Induction with Second-Harmonic Superimposition," Japanese Journal of Applied Physics, vol. 42, no. 5B, pp. 3246-3250, 2003.
  • Y. Ukai, S. Ishida, N. Hata, T. Azuma, S. Umemura and T. Dohi "A 3-D simulation of focused ultrasound propagation for extracorporeal shock wave osteotomy," International Congress Series, vol. 1256, pp. 658-663, 2003.
  • N. Yumita and S. Umemura "Sonodynamic therapy with photofrin II on AH130 solid tumor. Pharmacokinetics, tissue distribution and sonodynamic antitumoral efficacy of photofrin II," Cancer Chemotherapy and Pharmacology, vol. 51, no. 2, pp. 174-178, 2003.
  • N. Yumita, I. Sakata, S. Nakajima and S. Umemura "Ultrasonically induced cell damage and active oxygen generation by 4-formyloximeetylidene-3-hydroxyl-2-vinyl-deuterio-porphynyl(IX)-6-7-diaspartic acid: on the mechanism of sonodynamic activation," Biochim. Biophys. Acta, vol. 1620, no. 1-3, pp. 179-184, 2003.
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2002

  • N. Yumita, K. Kawabata, K. Sasaki and S. Umemura "Sonodynamic effect of erythrosin B on sarcoma 180 cells in vitro," Ultrasonics Sonochemistry, vol. 9, no. 5, pp. 259-265, 2002.
  • L. Feril, T. Kondo, S. Umemura, K. Tachibana, A. Mahalo and P. Riesz "Sound waves and antineoplastic drugs: The possibility of an enhanced combined anticancer therapy," Journal of Medical Ultrasonics, vol. 29, no. 4, pp. 173-187, 2002.
  • R. Fujiwara, K. Sasaki, T. Ishikawa, M. Suzuki, S. Umemura, M. Kushima and T. Okai "Arterial blood flow occlusion by high intensity focused ultrasound and histologic evaluation of its effect on arteries and surrounding tissues," Journal of Medical Ultrasonics, vol. 29, no. 3, pp. 85-90, 2002.
  • T. Azuma, K. Sasaki, K. Kawabata, A. Osada, H. Itagaki, K. Komura, T. Takahashi, K. Ishida, Y. Satoh and S. Umemura "Magnetic Resonance Imaging (MRI) Compatible Ultrasound Therapeutic System," Japanese Journal of Applied Physics, vol. 41, no. 5B, pp. 3579-3584, 2002.
  • T. Azuma, A. Tomozawa and S. Umemura "Observation of Ultrasonic Wavefronts by Synchronous Schlieren Imaging," Japanese Journal of Applied Physics, vol. 41, no. 5B, pp. 3308-3312, 2002.
  • K. Arakawa, K. Hagisawa, H. Kusano, S. Yoneyama, A. Kurita, T. Arai, M. Kikuchi, I. Sakata, S. Umemura and F. Ohsuzu "Sonodynamic Therapy Decreased Neointimal Hyperplasia After Stenting in the Rabbit Iliac Artery," Circulation, vol. 105, pp. 149-151, 2002.
  • M. Kono, H. Ueki and S. Umemura "Near-infrared finger vein patterns for personal identification," Applied Optics, vol. 41, no. 35, pp. 7429-7436, 2002.
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2001

  • K. Sasaki, N. Yumita, R. Nishigaki, I. Sakata, S. Nakajima and S. Umemura "Pharmacokinetic study of a gallium-porphyrin photo- and sono-sensitizer, ATX-70, in tumor-bearing mice," Japanese Journal of Cancer Research, vol. 92, no. 9, pp. 989-995, 2001.
  • K. Hashiba, K. Kawabata and S. Umemura "Specific Impedance of Liquids during Ultrasonic Cavitation," Japanese Journal of Applied Physics, vol. 40, no. 7, pp. 4726-4729, 2001.
  • S. Umemura, K. Kawabata, K. Sasaki, N. Sugita, T. Azuma and N. Yumita "[Therapeutic technology utilizing focused ultrasound]," Igaku Butsuri, vol. 21, no. 3, pp. 150-156, 2001.
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2000

  • K. Yokosawa, K. Sasaki, S. Umemura, R. Shinomura, S. Ishikawa, S. Sano and Y. Ito "Intracorporeal imaging and differentiation of living tissue with an ultra-high-frequency ultrasound probe," Ultrasound in Medicine & Biology, vol. 26, no. 4, pp. 503-507, 2000.
  • Z. H. Jin, N. Miyoshi, K. Ishiguro, S. Umemura, K. Kawabata, N. Yumita, I. Sakata, K. Takaoka, T. Udagawa, S. Nakajima, H. Tajiri, K. Ueda, M. Fukuda and M. Kumakiri "Combination effect of photodynamic and sonodynamic therapy on experimental skin squamous cell carcinoma in C3H/HeN mice," Journal of Dermatology, vol. 27, no. 5, pp. 294-306, 2000.
  • N. Yumita, R. Nishigaki and S. Umemura "Sonodynamically induced antitumor effect of Photofrin II on colon 26 carcinoma," Journal of Cancer Research and Clinical Oncology, vol. 126, no. 10, pp. 601-606, 2000.
  • N. Okuyama, S. Sasamoto, N. Kato, K. Takagi, S. Yamazaki, S. Tsujimoto, N. Yumita, R. Nishigaki, K. Sasaki and S. Umemura "実験乳癌に対する音響化学療法の効果," Japanese Journal of Medical Ultrasonics, vol. 27, pp. 1465-1469, 2000.
  • N. Yumita, R. Nishigaki, I. Sakata, S. Nakajima and S. Umemura "Sonodynamically induced antitumor effect of 4-formyloximethylidene-3-hydroxy-2-vinyl-deuterio-porphynyl(IX)-6,7-dia spartic acid (ATX-S10)," Japanese Journal of Cancer Research, vol. 91, no. 2, pp. 255-260, 2000.
  • N. Yumita, S. Umemura and R. Nishigaki "Ultrasonically induced cell damage enhanced by photofrin II: mechanism of sonodynamic activation," In Vivo, vol. 14, no. 3, pp. 425-429, 2000.
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1999

  • S. Umemura, N. Yumita, K. Umemura and R. Nishigaki "Sonodynamically induced effect of rose bengal on isolated sarcoma 180 cells," Cancer Chemotherapy and Pharmacology, vol. 43, no. 5, pp. 389-393, 1999.
  • N. Yumita, M. Kaneuchi, Y. Okano, R. Nishigaki, K. Umemura and S. Umemura "Sonodynamically induced cell damage with 4'-O-tetrahydropyranyladriamycin, THP," Anticancer Res., vol. 19, no. 1A, pp. 281-284, 1999.
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1998

  • K. Sasaki, N. Yumita, R. Nishigaki and S. Umemura "Antitumor effect sonodynamically induced by focused ultrasound in combination with Ga-porphyrin complex," Japanese Journal of Cancer Research, vol. 89, no. 4, pp. 452-456, 1998.
  • N. Yumita, S. Umemura, M. Kaneuchi, Y. Okano, N. Magario, M. Ishizaki, K. Shimizu, Y. Sano, K. Umemura and R. Nishigaki "Sonodynamically-induced cell damage with fluorinated anthracycline derivative, FAD104," Cancer Letters, vol. 125, no. 1-2, pp. 209-214, 1998.
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1997

  • K. Kawabata and S. Umemura "Xanthene dyes for reducing acoustic cavitation threshold in aqueous solution," Ultrasonics, vol. 35, no. 6, pp. 469-474, 1997.
  • K. Yasuda, S. S. Haupt and S. Umemura "Using acoustic radiation force as a concentration method for erythrocytes," Journal of the Acoustical Society of America, vol. 102, no. 1, pp. 642-645, 1997.
  • S. Umemura, K. Kawabata and K. Sasaki "In vitro and in vivo enhancement of sonodynamically active cavitation by second-harmonic superimposition," Journal of the Acoustical Society of America, vol. 101, no. 1, pp. 569-577, 1997.
  • S. Umemura, N. Yumita, Y. Okano, M. Kaneuchi, N. Magario, M. Ishizaki, K. Shimizu, Y. Sano, K. Umemura and R. Nishigaki "Sonodynamically-induced in vitro cell damage enhanced by adriamycin," Cancer Letters, vol. 121, no. 2, pp. 195-201, 1997.
  • N. Yumita, K. Sasaki, S. Umemura, A. Yukawa and R. Nishigaki "Sonodynamically induced antitumor effect of gallium-porphyrin complex by focused ultrasound on experimental kidney tumor," Cancer Letters, vol. 112, no. 1, pp. 79-86, 1997.
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1996

  • K. Kawabata and S. Umemura "Effect of second-harmonic superimposition on efficient induction of sonochemical effect," Ultrasonics Sonochemistry, vol. 3, no. 1, pp. 1-5, 1996.
  • S. Umemura, K. Kawabata, K. Sasaki, N. Yumita, K. Umemura and R. Nishigaki "Recent advances in sonodynamic approach to cancer therapy," Ultrasonics Sonochemistry, vol. 3, no. 3, pp. S187-S191, 1996.
  • K. Yasuda, S. Umemura and K. Takeda "Particle separation using acoustic radiation force and elecrostatic force," Journal of the Acoustical Society of America, vol. 99, no. 4, pp. 1965-1970, 1996.
  • K. Yasuda, M. Kiyama, S. Umemura and K. Takeda "Deoxyribonucleic acid concentration using acoustic radiation force," Journal of the Acoustical Society of America, vol. 99, no. 2, pp. 1248-1251, 1996.
  • K. Kawabata and S. Umemura "Use of Second-Harmonic Superimposition to Induce Chemical Effects of Ultrasound," Journal of Physical Chemistry, vol. 100, no. 48, pp. 18784?18789, 1996.
  • N. Yumita, K. Sasaki, S. Umemura and R. Nishigaki "Sonodynamically induced antitumor effect of a gallium-porphyrin complex, ATX-70," Japanese Journal of Cancer Research, vol. 87, no. 3, pp. 310-316, 1996.
  • K. Yasuda, K. Takeda and S. Umemura "Studies on Particle Separation by Acoustic Radiation Force and Electrostatic Force," Japanese Journal of Applied Physics, vol. 35, no. 5B, pp. 3295-3299, 1996.
  • N. Yumita, S. Umemura, N. Magario, K. Umemura and R. Nishigaki "Membrane lipid peroxidation as a mechanism of sonodynamically induced erythrocyte lysis," International Journal of Radiation Biology, vol. 69, no. 3, pp. 397-404, 1996.
  • S. Umemura, K. Kawabata and K. Sasaki "Enhancement of sonodynamic tissue damage production by second-harmonic superimposition: theoretical analysis of its mechanism," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 43, no. 6, pp. 1054-11062, 1996.
  • K. Umemura, N. Yumita, R. Nishigaki and S. Umemura "Sonodynamically induced antitumor effect of pheophorbide a," Cancer Letters, vol. 102, no. 1-2, pp. 151-157, 1996.
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1995

  • K. Yasuda, S. Umemura and K. Takeda "Concentration and Fractionation of Small Particles in Liquid by Ultrasound," Japanese Journal of Applied Physics, vol. 34, no. 5B, pp. 2715-2720, 1995.
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1994

  • N. Yumita, R. Nishigaki, K. Umemura, P. D. Morse, H. M. Swartz, C. A. Cain and S. Umemura "Sonochemical activation of hematoporphyrin: an ESR study," Radiation Research, vol. 138, no. 2, pp. 171-176, 1994.
  • S. Umemura "Sonochemical Application of Ultrasound to Tumor Treatment," Japanese Journal of Applied Physics, vol. 33, no. 5B, pp. 2846-2851, 1994.
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1993

  • K. Kawabata and S. Umemura "Highly efficient sonochemical reaction with a switched spiral focal field," Ultrasonics, vol. 31, no. 6, pp. 457-462, 1993.
  • T. Aoyagi, K. Iida, K. Matuo, H. Nonaka, K. Sasaki, K. Kawabata, S. Umemura, N. Yumita, R. Nishigaki and K. Umemura "実験肝腫瘍に対する音響化学療法の試み," Japanese Journal of Medical Ultrasonics, vol. 20, pp. 436-445, 1993.
  • S. Umemura, N. Yumita and R. Nishigaki "Enhancement of ultrasonically induced cell damage by a gallium-porphyrin complex, ATX-70," Japanese Journal of Cancer Research, vol. 84, no. 5, pp. 582-588, 1993.
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1992

  • S. Umemura, K. R. Holmes, L. A. Frizzell and C. A. Cain "Insonation of fixed porcine kidney by a prototype sector-vortex-phased array applicator," International Journal of Hyperthermia, vol. 8, no. 6, pp. 831-842, 1992.
  • S. Umemura and C. A. Cain "Acoustical evaluation of a prototype sector-vortex phased-array applicator," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 39, no. 1, pp. 32-38, 1992.
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1991

  • N. Yumita, R. Nishigaki, K. Umemura and S. Umemura "Sonodynamic therapy -antitumor activation of drug by ultrasound," Japanese Journal of Medical Ultrasonics, vol. 18, pp. 1-9, 1991.
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1990

  • S. Umemura, N. Yumita, R. Nishigaki and K. Umemura "Mechanism of cell damage by ultrasound in combination with hematoporphyrin," Japanese Journal of Cancer Research, vol. 81, no. 9, pp. 962-966, 1990.
  • N. Yumita, R. Nishigaki, K. Umemura and S. Umemura "Synergistic effect of ultrasound and hematoporphyrin on sarcoma 180," Japanese Journal of Cancer Research, vol. 81, no. 3, pp. 304-308, 1990.
  • S. Umemura and C. A. Cain "Analysis of temperature responses to diffused ultrasound focal fields produced by a sector-vortex phased array," International Journal of Hyperthermia, vol. 6, no. 3, pp. 641-654, 1990.
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1989

  • N. Yumita, R. Nishigaki, K. Umemura and S. Umemura "[Increase in the generation of superoxide radicals and in the inhibitory effect on Yoshida sarcoma of anthracycline antitumor agents by ultrasound]," Nippon Gan Chiryo Gakkai Shi, vol. 24, no. 1, pp. 63-68, 1989.
  • N. Yumita, R. Nishigaki, K. Umemura and S. Umemura "Hematoporphyrin as a sensitizer of cell-damaging effect of ultrasound," Japanese Journal of Cancer Research, vol. 80, no. 3, pp. 219-222, 1989.
  • S. Umemura and C. A. Cain "The sector-vortex phased array: acoustic field synthesis for hyperthermia," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 36, no. 2, pp. 249-257, 1989.
  • S. Umemura and K. Katakura "Array configuration to aliminate grating lobes," Acoustical Imaging, vol. 17, pp. 571-578, 1989.
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1988

  • N. Hayashi, N. Tamaki, M. Senda, K. Yamamoto, Y. Yonekura, K. Torizuka, T. Ogawa, K. Katakura, S. Umemura and M. Kodama "A new method of measuring in vivo sound speed in the reflection mode," Journal of Clinical Ultrasound, vol. 16, no. 2, pp. 87-93, 1988.
  • E. S. Ebbini, S. Umemura, M. Ibbini and C. A. Cain "A cylindrical-section ultrasound phased-array applicator for hyperthermia cancer therapy," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 35, no. 5, pp. 561-572, 1988.
  • K. Katakura, S. Umemura and S. Kondo "パルス反射法ビーム形成における不要応答強度とその波形依存性," 日本音響学会誌, vol. 44, no. 9, pp. 653-657, 1988.
  • K. Katakura, S. Umemura and S. Kondo "離散的処理による超音波ビームの形成とその方式," 日本音響学会誌, vol. 44, no. 7, pp. 496-502, 1988.
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1987

  • Y. Okano, N. Yumita, R. Nishigaki, K. Umemura and S. Umemura "The Combination Treatment of Ultrasound and Hyperthermia on AH 130," Japanese Journal of Hyperthermic Oncology, vol. 3, no. 4, pp. 391-395, 1987.
  • N. Yumita, A. Okumura, R. Nishigaki, K. Umemura and S. Umemura "The Combination Treatment of Ultrasound and Antitumor Drugs on Yoshida Sarcoma," Japanese Journal of Hyperthermic Oncology, vol. 3, no. 2, pp. 175-182, 1987.
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1986

  • C. A. Cain and S. Umemura "Concentric-Ring and Sector-Vortex Phased-Array Applicators for Ultrasound Hyperthermia," IEEE transactions on microwave theory and techniques, vol. 34, no. 5, pp. 542-551, 1986.
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1985

  • T. Ogawa, K. Katakura, S. Umemura, M. Kodama, N. Hayashi, N. Tamaki, K. Nakajima, K. Yamakoto, Y. Yonekura and K. Torizuka "断層像の集束判定法による平均音速の IN VIVO 計測法," Japanese Journal of Medical Ultrasonics, vol. 12, pp. 21-36, 1985.
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