Search Results - "OTSUKA, YOICHI"

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  1. 1

    Direct Liquid Extraction and Ionization Techniques for Understanding Multimolecular Environments in Biological Systems (Secondary Publication) by Otsuka, Yoichi

    Published in Mass Spectrometry (2021)
    “…A combination of direct liquid extraction using a small volume of solvent and electrospray ionization allows the rapid measurement of complex chemical…”
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    Journal Article
  2. 2

    In‐Materio Reservoir Computing in a Sulfonated Polyaniline Network by Usami, Yuki, Ven, Bram, Mathew, Dilu G., Chen, Tao, Kotooka, Takumi, Kawashima, Yuya, Tanaka, Yuichiro, Otsuka, Yoichi, Ohoyama, Hiroshi, Tamukoh, Hakaru, Tanaka, Hirofumi, Wiel, Wilfred G., Matsumoto, Takuya

    Published in Advanced materials (Weinheim) (01-12-2021)
    “…A sulfonated polyaniline (SPAN) organic electrochemical network device (OEND) is fabricated using a simple drop‐casting method on multiple Au electrodes for…”
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    Journal Article
  3. 3

    Sacrificial gold coating enhances transport of liquid metal in pressurized fountain pen lithography by Livshits, Gideon I., Bao, Jiannan, Sakamoto, Leo, Misaka, Tomoki, Usami, Yuki, Otsuka, Yoichi, Matsumoto, Takuya

    Published in Scientific reports (25-02-2021)
    “…Liquid metals have attracted attention as functional components for moldable electronics, such as soft flexible connectors, wires or conductive ink. The…”
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    Journal Article
  4. 4

    Homogeneous chemical state of self-doped polyaniline sub-micrometer thickness lines fabricated by fountain-pen lithography by Bao, Jiannan, Otsuka, Yoichi, Matsumoto, Takuya

    Published in Japanese Journal of Applied Physics (01-01-2021)
    “…The fabrication of molecular films by coating a conductive polymer solution on a substrate is an active topic in molecular electronics research. Since the…”
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  5. 5

    In‐Materio Reservoir Computing in a Sulfonated Polyaniline Network (Adv. Mater. 48/2021) by Usami, Yuki, Ven, Bram, Mathew, Dilu G., Chen, Tao, Kotooka, Takumi, Kawashima, Yuya, Tanaka, Yuichiro, Otsuka, Yoichi, Ohoyama, Hiroshi, Tamukoh, Hakaru, Tanaka, Hirofumi, Wiel, Wilfred G., Matsumoto, Takuya

    Published in Advanced materials (Weinheim) (01-12-2021)
    “…Reservoir Computing In materio reservoir computing is a direct way for mimicking spatiotemporal dynamics as found in animal brains. In article number 2102688,…”
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    Journal Article
  6. 6

    Chemical Control of Electronic Coupling between a Ruthenium Complex and Gold Electrode for Resonant Tunneling Conduction by Otsuka, Yoichi, Nishijima, Satoshi, Sakamoto, Leo, Kajimoto, Kentaro, Araki, Kento, Misaka, Tomoki, Ohoyama, Hiroshi, Matsumoto, Takuya

    Published in ACS applied materials & interfaces (10-07-2019)
    “…Current–voltage (I–V) nonlinearity is essential for information processing in molecular electronics. We used a nanoparticle bridge junction to investigate the…”
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  7. 7

    Label-free visualization of acetaminophen-induced liver injury by high-speed stimulated Raman scattering spectral microscopy and multivariate image analysis by Satoh, Shuya, Otsuka, Yoichi, Ozeki, Yasuyuki, Itoh, Kazuyoshi, Hashiguchi, Akinori, Yamazaki, Ken, Hashimoto, Hiroyuki, Sakamoto, Michiie

    Published in Pathology international (01-10-2014)
    “…We recently established a high‐speed, label‐free, spectral imaging method based on stimulated Raman scattering (SRS). This method enables examination of…”
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  8. 8

    Visualization of cancer-related chemical components in mouse pancreas tissue by tapping-mode scanning probe electrospray ionization mass spectrometry by Otsuka, Yoichi, Satoh, Shuya, Naito, Junpei, Kyogaku, Masafumi, Hashimoto, Hiroyuki

    Published in Journal of mass spectrometry. (01-10-2015)
    “…Mass spectrometry imaging is an informative approach for the comprehensive analysis of multiple components inside biological specimens. We used novel…”
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    Journal Article
  9. 9

    Scanning probe electrospray ionization for ambient mass spectrometry by Otsuka, Yoichi, Shide, Sayuri, Naito, Junpei, Kyogaku, Masafumi, Hashimoto, Hiroyuki, Arakawa, Ryuichi

    Published in Rapid communications in mass spectrometry (15-12-2012)
    “…RATIONALE Ambient sampling and ionization techniques have been attracting attention in imaging mass spectrometry because they offer the advantage of rapid…”
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    Journal Article
  10. 10

    Imaging mass spectrometry of a mouse brain by tapping-mode scanning probe electrospray ionization by Otsuka, Yoichi, Naito, Junpei, Satoh, Shuya, Kyogaku, Masafumi, Hashimoto, Hiroyuki, Arakawa, Ryuichi

    Published in Analyst (London) (01-01-2014)
    “…Methods for ambient sampling and ionization enable chemical information to be obtained with minimal sample preparation. Also, imaging mass spectrometry (IMS)…”
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    Journal Article
  11. 11

    Visualization of Sampling and Ionization Processes in Scanning Probe Electrospray Ionization Mass Spectrometry by Kamihoriuchi, Bui, Otsuka, Yoichi, Takeuchi, Aya, Iwata, Futoshi, Matsumoto, Takuya

    Published in Mass Spectrometry (06-03-2019)
    “…Ambient sampling and ionization techniques based on direct liquid extraction and electrospray ionization are of great value for rapid analysis and mass…”
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    Journal Article
  12. 12

    Formation of Multinuclear Metal−Terpyridyl Complexes Covalently Bound to Carbon Substrates by Kubo, Wataru, Nagao, Masashi, Otsuka, Yoichi, Homma, Tsutomu, Miyata, Hirokatsu

    Published in Langmuir (01-12-2009)
    “…Multinuclear complexes consisting of metal ions and a bis(terpyridyl) ligand were covalently bound to carbon substrates. The bonding of the complexes is…”
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  13. 13

    Tapping-mode scanning probe electrospray ionization: fusion of SPM with mass spectrometry by Otsuka, Yoichi

    Published in Japanese Journal of Applied Physics (01-09-2021)
    “…Biological tissues are composed of a wide variety of chemical components, in which the amount and distribution of these components change dynamically according…”
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    Journal Article
  14. 14

    Synthesis and DNA cleaving activity of water-soluble non-conjugated thienyl tetraynes by Torikai, Kohei, Otsuka, Yoichi, Nishimura, Makoto, Sumida, Megumi, Kawai, Tomoji, Sekiguchi, Kiyotoshi, Ueda, Ikuo

    Published in Bioorganic & medicinal chemistry (15-05-2008)
    “…Water-soluble non-conjugated thienyl tetraynes ( 3– 6) were synthesized and their DNA cleaving activity was evaluated using electrophoresis, atomic force…”
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  15. 15

    Reduced Sampling Size with Nanopipette for Tapping-Mode Scanning Probe Electrospray Ionization Mass Spectrometry Imaging by Kohigashi, Tsuyoshi, Otsuka, Yoichi, Shimazu, Ryo, Matsumoto, Takuya, Iwata, Futoshi, Kawasaki, Hideya, Arakawa, Ryuichi

    Published in Mass Spectrometry (01-01-2016)
    “…Mass spectrometry imaging (MSI) with ambient sampling and ionization can rapidly and easily capture the distribution of chemical components in a solid sample…”
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    Journal Article
  16. 16

    Conductance measurement of a DNA network in nanoscale by point contact current imaging atomic force microscopy by Terawaki, Ayumu, Otsuka, Yoichi, Lee, HeaYeon, Matsumoto, Takuya, Tanaka, Hidekazu, Kawai, Tomoji

    Published in Applied physics letters (14-03-2005)
    “…We measured the electrical conductivity of a DNA network as a spatially-resolved current-image using point-contact current imaging atomic force microscopy…”
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  17. 17

    Control of electrical conduction in DNA using oxygen hole doping by Lee, Hea-Yeon, Tanaka, Hidekazu, Otsuka, Yoichi, Yoo, Kyung-Hwa, Lee, Jeong-O, Kawai, Tomoji

    Published in Applied physics letters (04-03-2002)
    “…Using oxygen adsorption experiments on poly (dG)-poly (dC) DNA molecules, we found that their conductance can be easily controlled by several orders of…”
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  18. 18

    Nano-scale resistivity reduction in single-grain of lead phthalocyanine by Tabuchi, Satomi, Otsuka, Yoichi, Kanai, Masaki, Tabata, Hitoshi, Matsumoto, Takuya, Kawai, Tomoji

    Published in Organic electronics (01-05-2010)
    “…Control of interfaces and boundaries of organic electronic materials are important issues in device applications. Methods to determine electrical transport in…”
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  19. 19

    Total electron content behavior over Japan during geomagnetic storms by Kutiev, Ivan, Watanabe, Shigeto, Otsuka, Yoichi, Saito, Akinori

    “…The total electron content (TEC) obtained from GPS signals is used to study ionospheric dynamics over Japan during geomagnetically disturbed conditions. The…”
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  20. 20

    Direct liquid extraction and ionization techniques for understanding multimolecular environments in biological systems (Secondary Publication) by Otsuka, Yoichi

    Published in Mass Spectrometry (2021)
    “…A combination of direct liquid extraction using a small volume of solvent and electrospray ionization allows the rapid measurement of complex chemical…”
    Get full text
    Journal Article