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10th ASME Summer Bioengineering Conference, SBC2008

作者： Keyes, Joseph Junkin, Michael Wong, Pak Kin Vande Geest, Jonathan P. Department of Aerospace and Mechanical Engineering United States Graduate Interdisciplinary Program in Biomedical Engineering United States BIO5 Institute for Biocollaborative Research University of Arizona Tucson AZ United States

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Alterations in finite element results given constitutive models from tubular and planar biaxial testing of the same porcine coronary arteries

Alterations in finite element results given constitutive mod...

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ASME 2012 Summer Bioengineering Conference, SBC 2012

作者： Keyes, Joseph T. Lockwood, Danielle R. Vande Geest, Jonathan P. Graduate Interdisciplinary Program in Biomedical Engineering University of Arizona Tucson AZ 85721 United States Department of Biomedical Engineering University of Arizona Tucson AZ 85721 United States Department of Aerospace and Mechanical Engineering University of Arizona Tucson AZ 85721 United States

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BPS2025 - Spatial compartmentalization of the expression of CaM genes supports versatile Ca 2+ -CaM signaling in cardiac myocytes

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Biophysical Journal 2025年第3期124卷 109a-110a页

作者： Vladimir Bogdanov Juan Ignacio Elio Mariangelo Anastasiia Pokrass Svetlana Tikunova Galina Sakuta Andrew M. Soltisz Benjamin Hernandez Orengo Casey Beard Jenna Thuma Thomas J. Hund Rengasayee Veeraraghavan Jonathan P. Davis Sandor Gyorke Department of Physiology and Cell Biology The Ohio State University Columbus OH USA The Ohio State University Columbus OH USA Department of Biomedical Engineering The Ohio State University Columbus OH USA Interdisciplinary Biophysics Graduate Program The Ohio State University Columbus OH USA Davis Heart and Lung Research Institute The Ohio State University Columbus OH USA

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Registration of finger vein image using skin surface information for authentication

Registration of finger vein image using skin surface informa...

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Image Processing: Machine Vision Applications II

作者： Noh, SeungWoo Kong, Hyoun-Joong Park, SangYun Kim, JiMan Lee, Seung-Rae Kim, Taejeong Kim, Hee Chan Interdisciplinary Program Bioengineering Major Graduate School Seoul National University Seoul Korea Republic of Interdisciplinary Program Biomedical Engineering Major Graduate School Seoul National University Seoul Korea Republic of Institute of Medical and Biological Engineering Medical Research Center Seoul National University Seoul Korea Republic of Department of Electrical Engineering and Computer Sciences Seoul National University Seoul Korea Republic of Department of Biomedical Engineering College of Medicine Seoul National University Seoul Korea Republic of

ISBN: (纸本)9780819475015

The finger vein image acquired with an acquisition system should be properly aligned to proceed with comparing algorithm. However it is not easy to find control the points since the images are naturally blurred with an inherent scattering property. To overcome this problem, we propose a novel finger vein registration method utilizing skin surface information (i.e. wrinkles and outlines). We assumed that finger crooking was insignificant. Images were sampled with intended translation and rotation. Each time, two images were acquired successively by switching the light source;one with infrared light and the other with white light. Degree of rotation and translation of sampled image were calculated using outline features in the white light image and then the infrared image was transformed according to the calculated data. To validate our method, correlation values were computed between identical subjects and different subjects. High correlation values were shown between identical subjects whereas low values were shown between different subjects. © 2009 SPIE.

关键词： Authentication

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Effect of mouth-opening levels on sound field gain in the ear canal 45

Effect of mouth-opening levels on sound field gain in the ea...

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45th International Congress and Exposition on Noise Control engineering: Towards a Quieter Future, INTER-NOISE 2016

作者： Xiao, Jimg-Hong Yu, Jen-Fang Lee, Kun-Che Chiu, Hsiu-Hui Graduate Institute of Medical Mechatronics Chang Gung University Taiwan Taiouan Interdisciplinary Otolaryngology Laboratory Chang Gung University Taiwan Ph.D. Program in Biomedical Engineering College of Engineering Chang Gung University Taiwan

The human ear canal can become deformed when the mouth opens and closes, changing the sound field in the external auditory canal. Thus, measuring the mandibular movement trajectory may provide a reference for identifying mouth-opening levels. The human ear canal can become deformed when the mouth opens and closes, changing the sound field in the external auditory canal. Thus, measuring the mandibular movement trajectory may provide a reference for identifying mouth-opening levels. The K7 system and a Frye Fonix 7000 sensor were used to perform several measurements of mouth-opening and -closing to obtain the mean maximal mouth opening level. The mandible was fixed at the 1/3, 2/3, and maximal mouth-opening levels. Subsequently, a 65-dB sweep tone, which is the sound pressure level of people talking at a normal level, was adopted as the sound stimulus to measure sound fields at 5, 10, 15, and 20 mm from the entrance of the external auditory canal. The stimulus frequencies of 200, 500, 1000, 2000, 4000, 6000, and 8000 Hz were noted. The differences in sound field gains at depths of 5, 10, 15, and 20 mm were analyzed for the various mouth-opening levels. The results show that except for the 1.70-dB decrease at a depth of 5 mm with an 8000-Hz stimulus frequency, the differences at the other depths and stimulus frequencies were within 1 dB. Thus, the mouth-opening levels will influence the gain in ear canal. © 2016, German Acoustical Society (DEGA). All rights reserved.

关键词： Acoustic fields

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The mitochondrial genome data of the Capsicum annuum cv. Dempsey (Solanaceae)

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Data in Brief 2025年 60卷

作者： Seona Yun Junseong Bae Jeongbin Park Hyeran Kim Institute of Life Sciences Kangwon National University Chuncheon Republic of Korea Interdisciplinary Program of Genomic Data Science Pusan National University Yangsan Republic of Korea Graduate School of Medical AI Pusan National University Yangsan Republic of Korea School of Biomedical Convergence Engineering Pusan National University Yangsan Republic of Korea Department of Biological Sciences Kangwon National University Chuncheon Republic of Korea

Capsicum annuum L. (1753), commonly known as pepper, holds significant economic value as one of the globally cultivated horticultural crops. This study presents the mitochondrial genome of the sweet pepper C. annuum cv. Dempsey, assembled using Illumina NovaSeq data. The circular mitogenome is 577,453 base pairs (bp) in length and includes 36 protein-coding genes, three ribosomal RNA genes, and 43 transfer RNA genes. Phylogenetic analysis reveals that C. annuum is not monophyletic, with C. annuum cv. Dempsey identified as a sister to the hot pepper C. annuum cv. Jeju. This study provides as a valuable resource for comparative analyses of pepper mitogenomes, enhancing our understanding of the evolution and adaptive mechanisms of pepper species.

关键词： Capsicum annuum Sweet pepper Cultivar dempsey Mitogenome Phylogeny

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Estimation of sleep onset latency based on the correlation between blood pressure and heart beat interval

Estimation of sleep onset latency based on the correlation b...

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IEEE-EMBS International Conference on biomedical and Health Informatics, BHI 2012. In Conj. with the 8th Int. Symp.on Medical Devices and Biosensors and the 7th Int. Symp. on biomedical and Health engineering

作者： Jung, Da Woon Chung, Gih Sung Hwang, Su Hwan Park, Kwang Suk Interdisciplinary Program of Bioengineering Seoul National University Graduate School Seoul 100 799 Korea Republic of Department of Biomedical Engineering College of Medicine Seoul National University Seoul 100 799 Korea Republic of

ISBN: (纸本)9781457721779

Sleep onset latency (SOL) provides an objective assessment of sleepiness and it also clinically useful as a sleep deprivation diagnostic tool. In this study, we suggest a new approach to estimate SOL based on the correlation between blood pressure (BP) and heart beat interval (HBI). This approach facilitates less intrusive finding of SOL as compared with currently using polysomnographic method. We hypothesized that the arterial baroreflex, one kind of reflex mechanism to regulate BP, takes a role of maintaining sleep's toning-down effect on BP. At the time of transition from full wakefulness to sleep, the toning-down effect starts to drop the BP and the arterial baroreflex is activated to maintain lowered BP by leading to increase in HBI for the elevated BP. Consequently, there is a great contribution of arterial baroreflex to HBI control. With a quantitative evaluation of the contribution, we tried to estimate SOL. For six healthy subjects (27.5 ± 3.15 years), the mean absolute error (MAE) was 0.3 ± 0.42 minutes. We expect our method can be applicable to non-intrusive and automatic SOL estimation system by not using electroencephalogram (EEG) sensors. © 2012 IEEE.

关键词： Blood pressure

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Using a Recurrent Neural Network Model for Classification of Tweets Conveyed Influenza-related Information 1

Using a Recurrent Neural Network Model for Classification of...

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1st International Workshop on Digital Disease Detection using Social Media, DDDSM 2017, co-located with the 8th International Joint Conference on Natural Language Processing, IJCNLP 2017

作者： Wang, Chen-Kai Singh, Onkar Tang, Zhao-Li Dai, Hong-Jie Graduate Institute of Biomedical Informatics Taipei Medical University Taipei Taiwan Bioinformatics Program Taiwan International Graduate Program Institute of Information Science Academia Sinica Taipei Taiwan Institute of Biomedical Informatics National Yang-Ming University Taipei Taiwan Department of Computer Science and Information Engineering National Taitung University Taitung Taiwan Interdisciplinary Program of Green and Information Technology National Taitung University Taitung Taiwan

ISBN: (纸本)9781948087070

Traditional disease surveillance systems depend on outpatient reporting and virological test results released by hospitals. These data have valid and accurate information about emerging outbreaks but it's often not timely. In recent years the exponential growth of users getting connected to social media provides immense knowledge about epidemics by sharing related information. Social media can now flag more immediate concerns related to outbreaks in real time. In this paper we apply the long short-term memory recurrent neural network (RNN) architecture to classify tweets conveyed influenza-related information and compare its performance with baseline algorithms including support vector machine (SVM), decision tree, naive Bayes, simple logistics, and naive Bayes multinomial. The developed RNN model achieved an F-score of 0.845 on the MedWeb task test set, which outperforms the F-score of SVM without applying the synthetic minority oversampling technique by 0.08. The F-score of the RNN model is within 1% of the highest score achieved by SVM with oversampling technique. © 2017 AFNLP

关键词： Support vector machines

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Digital ionic circuits on a microfluidic chip

Digital ionic circuits on a microfluidic chip

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13th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2009

作者： Han, Ji-Hyung Kim, Kwang Bok Kim, Hee Chan Chung, Taek Dong Department of Chemistry Seoul National University Korea Republic of Interdisciplinary Program Bioengineering Major Graduate School Seoul National University Korea Republic of Department of Biomedical Engineering College of Medicine Seoul National University Korea Republic of

ISBN: (纸本)9780979806421

A sophisticatedly designed polyelectrolyte diode was fabricated on a microchip and exhibited well-defined nonlinear rectifying behavior. Multiple polyelectrolyte diodes were integrated on a microchip to produce a variety of logic gates based on ionic circuits. By employing a fluorescent dye, the polyelectrolyte micro plugs also acted as optical indicators displaying the input signals applied to individual diodes in the ionic circuit on a microchip. Also, this system visualized the dynamic distribution of ions in a charged polymer phase under an electric field on a real time basis through fluorescence images. © 2009 CBMS.

关键词： Polyelectrolytes

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Analytical solutions to axisymmetric plane strain porous media-transport models in large arteries

Analytical solutions to axisymmetric plane strain porous med...

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10th ASME Summer Bioengineering Conference, SBC2008

作者： Vande Geest, Jonathan P. Simon, Bruce R. Aerospace and Mechanical Engineering University of Arizona Tucson AZ United States Graduate Interdisciplinary Program in Biomedical Engineering University of Arizona Tucson AZ United States Bio5 Institute for Collaborative Research University of Arizona Tucson AZ United States

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