Search Results - "Sakai, Koji"

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  1. 1

    Machine learning studies on major brain diseases: 5-year trends of 2014–2018 by Sakai, Koji, Yamada, Kei

    Published in Japanese journal of radiology (01-01-2019)
    “…In the recent 5 years (2014–2018), there has been growing interest in the use of machine learning (ML) techniques to explore image diagnosis and prognosis of…”
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    Journal Article
  2. 2

    Self‐Folding Graphene‐Based Interface for Brain‐Like Modular 3D Tissue by Sakai, Koji, Teshima, Tetsuhiko F., Goto, Toichiro, Nakashima, Hiroshi, Yamaguchi, Masumi

    Published in Advanced functional materials (12-09-2023)
    “…Abstract Electrophysiology of 3D neuronal cultures is of rapidly growing importance for revealing cellular communications associated with neurodevelopment and…”
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  3. 3

    Long-Term Developmental Process of the Human Cortex Revealed In Vitro by Axon-Targeted Recording Using a Microtunnel-Augmented Microelectrode Array by Shimba, Kenta, Sakai, Koji, Iida, Shoko, Kotani, Kiyoshi, Jimbo, Yasuhiko

    “…Objective: We aimed to develop a method for evaluating developmental changes in the synchronized activity of human induced pluripotent stem cell…”
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  4. 4

    Adding a Model-free Diffusion MRI Marker to BI-RADS Assessment Improves Specificity for Diagnosing Breast Lesions by Goto, Mariko, Le Bihan, Denis, Yoshida, Mariko, Sakai, Koji, Yamada, Kei

    Published in Radiology (01-07-2019)
    “…Background The apparent diffusion coefficient (ADC) is a commonly used quantitative diffusion-weighted (DW) imaging marker in breast lesion assessment;…”
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  5. 5

    Diagnostic performance of initial enhancement analysis using ultra-fast dynamic contrast-enhanced MRI for breast lesions by Goto, Mariko, Sakai, Koji, Yokota, Hajime, Kiba, Maki, Yoshida, Mariko, Imai, Hiroshi, Weiland, Elisabeth, Yokota, Isao, Yamada, Kei

    Published in European radiology (01-03-2019)
    “…Objectives To assess the diagnostic value and contribution to BI-RADS categorisation of initial enhancement on ultra-fast DCE-MRI for differentiating malignant…”
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  6. 6

    Imbalance of central nitric oxide and reactive oxygen species in the regulation of sympathetic activity and neural mechanisms of hypertension by Hirooka, Yoshitaka, Kishi, Takuya, Sakai, Koji, Takeshita, Akira, Sunagawa, Kenji

    “…Nitric oxide (NO) and reactive oxygen species (ROS) play important roles in blood pressure regulation via the modulation of the autonomic nervous system,…”
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  7. 7

    Three-dimensional self-folding assembly of multi-layer graphene at the interface with a polymeric film by Goto, Toichiro, Teshima, Tetsuhiko F., Sakai, Koji, Yamaguchi, Masumi

    Published in AIP advances (01-07-2022)
    “…Three-dimensional (3D) architectures of graphene are of great interest for applications in flexible electronics, supercapacitors, and biointerfaces. Here, we…”
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    Recording Saltatory Conduction Along Sensory Axons Using a High-Density Microelectrode Array by Shimba, Kenta, Asahina, Takahiro, Sakai, Koji, Kotani, Kiyoshi, Jimbo, Yasuhiko

    Published in Frontiers in neuroscience (18-04-2022)
    “…Myelinated fibers are specialized neurological structures used for conducting action potentials quickly and reliably, thus assisting neural functions. Although…”
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  10. 10

    Does cerebrospinal fluid pulsation affect diffusion‐weighted imaging thermometry? A study in healthy volunteers by Sakai, Koji, Kentaro, Akazawa, Tazoe, Jun, Ikeno, Hiroyasu, Nakagawa, Toshiaki, Yamada, Kei

    Published in NMR in biomedicine (01-08-2022)
    “…Diffusion‐weighted imaging (DWI)‐based thermometry offers potential as a noninvasive method for measuring temperatures deep inside the human brain. However,…”
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  11. 11

    MR Tractography: A Review of Its Clinical Applications by YAMADA, Kei, SAKAI, Koji, AKAZAWA, Kentaro, YUEN, Sachiko, NISHIMURA, Tsunehiko

    Published in Magnetic Resonance in Medical Sciences (01-01-2009)
    “…Magnetic resonance tractography based on diffusion-tensor imaging was first introduced to the medical imaging community a decade ago. It has been successfully…”
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  12. 12

    Sustainability in fib Model Code 2010 and its future perspective by Sakai, Koji

    Published in Structural concrete : journal of the FIB (01-12-2013)
    “…Considering the depletion of resources and energy and the risks of climate change on a global scale, a thoughtless increase in the use of resources and energy…”
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  13. 13

    Alteration of brain temperature and systemic inflammation in Parkinson’s disease by Chen, Hsiu-Ling, Yamada, Kei, Sakai, Koji, Lu, Cheng-Hsien, Chen, Meng-Hsiang, Lin, Wei-Che

    Published in Neurological sciences (01-05-2020)
    “…Objectives Parkinson’s disease (PD) is known to be related to various factors, including neuroinflammation, increased oxidative stress, and brain temperature…”
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  14. 14

    Synchronous firing patterns of induced pluripotent stem cell-derived cortical neurons depend on the network structure consisting of excitatory and inhibitory neurons by Iida, Shoko, Shimba, Kenta, Sakai, Koji, Kotani, Kiyoshi, Jimbo, Yasuhiko

    “…The balance between glutamate-mediated excitation and GABA-mediated inhibition is critical to cortical functioning. However, the contribution of network…”
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  15. 15

    Low‐grade IVH in preterm infants causes cerebellar damage, motor, and cognitive impairment by Sakaue, Satoshi, Hasegawa, Tatsuji, Sakai, Koji, Zen, Yui, Tozawa, Takenori, Chiyonobu, Tomohiro, Yamada, Kei, Morimoto, Masafumi, Hosoi, Hajime

    Published in Pediatrics international (01-11-2021)
    “…Background Few studies have examined the effect of low‐grade intraventricular hemorrhage (IVH) on the white matter in the cerebellum and its association with…”
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  16. 16

    Searching Method for Three-Dimensional Puncture Route to Support Computed Tomography-Guided Percutaneous Puncture by Gotoh, Yusuke, Takeda, Aoi, Masui, Koji, Sakai, Koji, Fujimoto, Manato

    Published in Journal of imaging (14-10-2024)
    “…In CT-guided percutaneous punctures-an image-guided puncture method using CT images-physicians treat targets such as lung tumors, liver tumors, renal tumors,…”
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  17. 17

    Whole-tumor histogram analysis of DWI and QSI for differentiating between meningioma and schwannoma: a pilot study by Nagano, Hitomi, Sakai, Koji, Tazoe, Jun, Yasuike, Masashi, Akazawa, Kentaro, Yamada, Kei

    Published in Japanese journal of radiology (01-10-2019)
    “…Purpose To investigate whether whole-tumor histogram analyses of diffusivity measurements derived from q-space imaging (QSI) improves the differentiation…”
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  18. 18

    Is the Cessation of Blood Flow Faster than the Polymerization of an n-Butyl Cyanoacrylate–Lipiodol Mixture? An In Vitro Phantom Study by Hayashi, Natsuko, Takeuchi, Yoshito, Miura, Hiroshi, Arima, Yusuke, Toda, Mitsuaki, Okamoto, Toshiyuki, Asai, Shunsuke, Sakai, Koji, Hirota, Tatsuya, Yamada, Kei

    “…Purpose To compare the polymerization time of n-butyl cyanoacrylate (NBCA) and lipiodol mixture in a static model and a pulsating flow model simulating…”
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    Axonal conduction slowing induced by spontaneous bursting activity in cortical neurons cultured in a microtunnel device by Shimba, Kenta, Sakai, Koji, Isomura, Takuya, Kotani, Kiyoshi, Jimbo, Yasuhiko

    Published in Integrative biology (Cambridge) (01-01-2015)
    “…Recently, axons have been recognized as computational units in neuronal networks that can change their conduction properties along with their firing. However,…”
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