Nara Institute of Science and Technology

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    13197 research outputs found

    A Study on Automating Meta-Analysis Statistical Analysis by Employing Natural Language Processing Techniques

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    奈良先端科学技術大学院大学博士(工学)doctoral thesi

    Protein assembly fabrication and evaluation utilizing laser micro-manipulation

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    奈良先端科学技術大学院大学博士(工学)doctoral thesi

    GitHub ノ フォーク カラ カイハツ ガ カッパツ ナ ヘンシュ オ ハッケン スル タメ ノ カシカ シュホウ

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    奈良先端科学技術大学院大学修士(工学)master thesi

    Effects of Long-Term In vivo Stimulation on the Electrochemical Properties of a Porous Stimulation Electrode for a Suprachoroidal$2013Transretinal Stimulation (STS) Retinal Prosthesis

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    A high-performance porous stimulation electrode [femtosecond laser-induced porosity (FLiP) electrode] was designed for the safe and effective delivery of high stimulation currents. Herein, we evaluated the electrochemical properties of the FLiP electrode interface under prolonged in vivo stimulation. The FLiP electrodes were surgically implanted in rabbits and subjected to stimulation currents over a six-month period. The impedance of these electrodes was examined through equivalent circuit analysis, specifically employing the Randles circuit model. Comparative analysis with the results of previous in vitro/in vivo studies was conducted. Electrical stimulation served to purify the electrode interface, enhancing mass diffusion and promoting charge-transfer reactions at the electrode interface. As a result, the electric double-layer capacitance (Cdl) could be enhanced by adjusting the ionic concentration at the electrode. The high charge injection capacity of the FLiP electrode is facilitated by not only capacitive currents resulting from Cdl but also pseudocapacitive currents stemming from the reversible redox reaction of H2 molecules. Our findings suggest that the initial evaluation outcomes can extrapolate the electrode properties during long-term stimulation, and the combined method of electrochemical impedance spectroscopy and equivalent circuit analysis clarifies intricate in vivo interactions, allowing accurate analysis of the properties of implantable electrodes over extended periods.journal articl

    オンライン グループ ディスカッション ニオケル マルチ モーダル データ オ モチイタ カンジョウ スイテイ シュホウ ノ テイアン ト ヒョウカ

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    奈良先端科学技術大学院大学修士(工学)master thesi

    ケイレツ ノ ヘンケイ ノ カイセキ エ ムケタ キカ ヘンカンバ ノ スペクトル ブンカイ

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    奈良先端科学技術大学院大学修士(工学)master thesi

    シンソウ ガクシュウ オ モチイタ 3ジゲン PET ガゾウ カラノ ジンゾウ オヨビ ダイドウミャク ノ セグメンテーション

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    奈良先端科学技術大学院大学修士(工学)master thesi

    ガゾウ インペインティング ニオケル サイ ショウメイ ニカンスル ケンキュウ

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    奈良先端科学技術大学院大学修士(工学)master thesi

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