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Transactions of Japanese Society for Medical and Biological Engineering最新文献

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An effect of meshing on coupling simulation of left ventricular wall motion 网格化对左室壁运动耦合仿真的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-186
Takafumi Ogawa, T. Shimayoshi, N. Kida, T. Adachi, T. Matsuda
{"title":"An effect of meshing on coupling simulation of left ventricular wall motion","authors":"Takafumi Ogawa, T. Shimayoshi, N. Kida, T. Adachi, T. Matsuda","doi":"10.11239/JSMBE.52.O-186","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-186","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81561482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
内シャント光イメージングのための基礎的検討：2 －点拡がり関数を利用した血管内径変化の検出－ 内径光学成像的基础研究:2 -利用点扩张函数检测血管内径变化
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-121
Takahiro Enomoto, M. Kitama, Hisae O. Shimizu, Masaji Yamashita, Junji Arisawa, Yoshinori Tanaka, K. Shimizu
{"title":"内シャント光イメージングのための基礎的検討：2 －点拡がり関数を利用した血管内径変化の検出－","authors":"Takahiro Enomoto, M. Kitama, Hisae O. Shimizu, Masaji Yamashita, Junji Arisawa, Yoshinori Tanaka, K. Shimizu","doi":"10.11239/JSMBE.52.O-121","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-121","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88050169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Visualization of ultrasound standing wave fields generated inside small chamber for study on adverse effect of ultrasound exposure on cells 小室内超声驻波场可视化，研究超声暴露对细胞的不良影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-343
Koki Sumiyoshi, Daiki Sekine, N. Kudo, K. Shimizu
{"title":"Visualization of ultrasound standing wave fields generated inside small chamber for study on adverse effect of ultrasound exposure on cells","authors":"Koki Sumiyoshi, Daiki Sekine, N. Kudo, K. Shimizu","doi":"10.11239/JSMBE.52.O-343","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-343","url":null,"abstract":"We have been studying usefulness of image subtraction Schlieren technique that visualizes ultrasound fields. Also, in studies of the adverse effect of ultrasound exposure on cells, a culture dish is used as an exposure chamber with an ultrasound transducer placed beneath the dish. In this exposure setup, a standing wave field is produced inside the chamber, and change in shape of the chamber causes change in the standing wave fields. In this study, standing wave fields generated inside small chambers with different shapes were visualized using our technique, and the relation between acoustic fields and production of free radicals that cause cell damage was investigated.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83234607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of axial stretch on mitochondrial reactive oxygen species in cardiac myocytes 轴向拉伸对心肌细胞线粒体活性氧的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.SY-44
G. Iribe, K. Kaihara, Y. Yamaguchi, K. Naruse
{"title":"Effects of axial stretch on mitochondrial reactive oxygen species in cardiac myocytes","authors":"G. Iribe, K. Kaihara, Y. Yamaguchi, K. Naruse","doi":"10.11239/JSMBE.52.SY-44","DOIUrl":"https://doi.org/10.11239/JSMBE.52.SY-44","url":null,"abstract":"Myocardium contracts against ventricular wall stretch that comes along with ventricular filling. Mitochondria generate required ATP for the myocardial contraction. It is well known that mitochondrial ATP production process is one of the sources of reactive oxygen species (ROS). ROS are known as toxic molecules, but also important physiological regulators of intracellular signaling pathways. In the present study, we investigate the relation between myocardial stretch and mitochondrial ROS production, and discuss the role of mitochondria on myocardial response to stretch. Isolated mouse ventricular myocytes were exposed to 10% axial stretch using carbon fiber technique. ROS production was studied using DCF-loaded cells. Axial stretch significantly increased ROS production. Applying , indicating mitochondrial ROS production is stretch-sensitive. The present results suggest that stretch enhances electron transport chain to prepare for the more ATP production for the more preloaded, namely, the more energy-consuming contraction.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91341212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of acoustic parameters of single cell by ultrasound microscope 超声显微镜下单细胞声学参数的测量
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-341
Koki Yoshida, Rami Abuhabsah, D. Pawlicki, Joe Shikama, Ryo Nagaoka, M. Arakawa, Kazuto Kobayashi, Y. Saijo, D. O'brien
{"title":"Measurement of acoustic parameters of single cell by ultrasound microscope","authors":"Koki Yoshida, Rami Abuhabsah, D. Pawlicki, Joe Shikama, Ryo Nagaoka, M. Arakawa, Kazuto Kobayashi, Y. Saijo, D. O'brien","doi":"10.11239/JSMBE.52.O-341","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-341","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89613253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of physiological environment on tribological behavior of prosthetic joint materials 生理环境对人工关节材料摩擦学行为的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.PD-5
Y. Sawae, T. Murakami, S. Yarimitsu, K. Nakashima
{"title":"Effects of physiological environment on tribological behavior of prosthetic joint materials","authors":"Y. Sawae, T. Murakami, S. Yarimitsu, K. Nakashima","doi":"10.11239/JSMBE.52.PD-5","DOIUrl":"https://doi.org/10.11239/JSMBE.52.PD-5","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74580825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Muscle contraction evaluation by the simultaneous measurement of MMG and EMG
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-235
H. Oka, Y. Konishi
{"title":"Muscle contraction evaluation by the simultaneous measurement of MMG and EMG","authors":"H. Oka, Y. Konishi","doi":"10.11239/JSMBE.52.O-235","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-235","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79696408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
System Identification of Evoked Mechanomyogram in Isometric Contraction 等长收缩诱发肌力图的系统识别
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-162
Yasuhiro Shinada, T. Uchiyama
{"title":"System Identification of Evoked Mechanomyogram in Isometric Contraction","authors":"Yasuhiro Shinada, T. Uchiyama","doi":"10.11239/JSMBE.52.O-162","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-162","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84386606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
細胞親和性を有するa-C:H被膜の血液適合性評価 具有细胞亲和性的a-C:H被膜的血液适应性评价
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/JSMBE.52.O-204
大越 康晴, 白石 泰之, 三浦 英和, 平栗 健二, 昭夫 舟久保, 山家 智之, 福井 康裕
{"title":"細胞親和性を有するa-C:H被膜の血液適合性評価","authors":"大越 康晴, 白石 泰之, 三浦 英和, 平栗 健二, 昭夫 舟久保, 山家 智之, 福井 康裕","doi":"10.11239/JSMBE.52.O-204","DOIUrl":"https://doi.org/10.11239/JSMBE.52.O-204","url":null,"abstract":"","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81335838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elbow joint angle dependency of biceps brachii muscle stiffness with an aid of system identification of mechanomyogram 借助机械肌图系统识别肘关节角度对肱二头肌僵硬度的影响
Transactions of Japanese Society for Medical and Biological Engineering Pub Date : 2014-08-17 DOI: 10.11239/jsmbe.52.O-164
Y. Itabashi, T. Uchiyama
{"title":"Elbow joint angle dependency of biceps brachii muscle stiffness with an aid of system identification of mechanomyogram","authors":"Y. Itabashi, T. Uchiyama","doi":"10.11239/jsmbe.52.O-164","DOIUrl":"https://doi.org/10.11239/jsmbe.52.O-164","url":null,"abstract":"The purpose of this study is to investigate the relation between stiffness and the elbow joint angle. A mechanomyogram (MMG) was recorded from biceps brachii muscle at three different elbow angles: 90, 120, and 150 degrees. The biceps brachii muscle was electrically stimulated and its mechanomyogram was measured with an acceleration sensor attached to the skin of the belly of the biceps brachii muscle. The transfer functions from the stimulation to the MMG were identified by the singular value decomposition method, and the natural frequency was derived from the transfer function. As a result, the MMG was approximated with a fourth-order model. The lowest natural frequency increased as the elbow joint angle increased. It was concluded that biceps brachii muscle stiffness increased as the elbow joint angle increased.","PeriodicalId":39233,"journal":{"name":"Transactions of Japanese Society for Medical and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89654457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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