Search Results - "Kamiya, Katsumasa"

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  1. 1

    Structural and functional characterization of nylon hydrolases by Negoro, Seiji, Kato, Dai-Ichiro, Ohki, Taku, Yasuhira, Kengo, Kawashima, Yasuyuki, Nagai, Keisuke, Takeo, Masahiro, Shibata, Naoki, Kamiya, Katsumasa, Shigeta, Yasuteru

    Published in Methods in enzymology (2021)
    “…Biodegradation of synthetic polymers is recognized as a useful way to reduce their environmental load and pollution, loss of natural resources, extensive…”
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    ON-OFF switching mechanism of resistive-random-access-memories based on the formation and disruption of oxygen vacancy conducting channels by Kamiya, Katsumasa, Young Yang, Moon, Park, Seong-Geon, Magyari-Köpe, Blanka, Nishi, Yoshio, Niwa, Masaaki, Shiraishi, Kenji

    Published in Applied physics letters (13-02-2012)
    “…We study the ON-OFF switching mechanism of oxide-based resistive-random-access-memories using theoretical calculations. Electron deficient vacancies (V O ) up…”
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    A density functional study on the pKa of small polyprotic molecules by Baba, Takeshi, Matsui, Toru, Kamiya, Katsumasa, Nakano, Masayoshi, Shigeta, Yasuteru

    Published in International journal of quantum chemistry (05-09-2014)
    “…The pKa values of several biologically important small molecules in aqueous solution, such as salicylic acid, histamine, and dopamine, were determined by…”
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    Charge-dependent oxygen vacancy diffusion in Al2O3-based resistive-random-access-memories by Yang, Moon Young, Kamiya, Katsumasa, Magyari-Köpe, Blanka, Niwa, Masaaki, Nishi, Yoshio, Shiraishi, Kenji

    Published in Applied physics letters (26-08-2013)
    “…We theoretically study an oxygen vacancy (VO) diffusion in Al2O3-based resistive-random-access-memories (ReRAMs). We find that the activation energy of VO…”
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    Imparting As(III) Responsiveness to the Choline Response Transcriptional Regulator BetI by Yamaguchi, Ryo, Yamamoto, Tetsuaki, Umeno, Daisuke, Kamiya, Katsumasa, Kawai-Noma, Shigeko

    Published in ACS omega (09-04-2024)
    “…The development of a low-cost and user-friendly sensor using microorganisms to monitor the presence of As­(III) on earth has garnered significant attention. In…”
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    Generalized mechanism of the resistance switching in binary-oxide-based resistive random-access memories by Kamiya, Katsumasa, Yang, Moon Young, Nagata, Takahiro, Park, Seong-Geon, Magyari-Köpe, Blanka, Chikyow, Toyohiro, Yamada, Keisaku, Niwa, Masaaki, Nishi, Yoshio, Shiraishi, Kenji

    “…We report that V sub(O) cohesion-isolation transition caused by carrier injection/removal is a generalized resistance switching mechanism of binary-oxide-based…”
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    Intrinsic origin of negative fixed charge in wet oxidation for silicon carbide by Ebihara, Yasuhiro, Chokawa, Kenta, Kato, Shigenori, Kamiya, Katsumasa, Shiraishi, Kenji

    Published in Applied physics letters (21-05-2012)
    “…We demonstrate on the basis of first-principles calculations that the formation of carbonate-like moiety in SiO 2 could be the intrinsic origin of negative…”
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  10. 10

    Vacancy Cohesion-Isolation Phase Transition Upon Charge Injection and Removal in Binary Oxide-Based RRAM Filamentary-Type Switching by Kamiya, Katsumasa, Moon Young Yang, Magyari-Kope, Blanka, Niwa, Masaaki, Nishi, Yoshio, Shiraishi, Kenji

    Published in IEEE transactions on electron devices (01-10-2013)
    “…We report on the electronic roles in filamentary-type switching of binary oxide-based resistive random access memories using ab initio calculations. We show…”
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    Unraveling the degradation of artificial amide bonds in nylon oligomer hydrolase: from induced-fit to acylation processes by Baba, Takeshi, Boero, Mauro, Kamiya, Katsumasa, Ando, Hiroyuki, Negoro, Seiji, Nakano, Masayoshi, Shigeta, Yasuteru

    Published in Physical chemistry chemical physics : PCCP (01-01-2015)
    “…To elucidate how the nylon oligomer hydrolase (NylB) acquires its peculiar degradation activity towards non-biological amide bonds, we inspected the underlying…”
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    A QM/MM study of nitric oxide reductase-catalysed N2O formation by Shoji, Mitsuo, Hanaoka, Kyohei, Kondo, Daiki, Sato, Akimasa, Umeda, Hiroaki, Katsumasa Kamiya, Shiraishi, Kenji

    Published in Molecular physics (16-02-2014)
    “…Nitrous oxide (N 2 O), with a greenhouse effect 300 times that of CO 2 , is increasingly eliminated into the atmosphere. Using a hybrid quantum…”
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    Possible Mechanism of Proton Transfer through Peptide Groups in the H-Pathway of the Bovine Cytochrome c Oxidase by Kamiya, Katsumasa, Boero, Mauro, Tateno, Masaru, Shiraishi, Kenji, Oshiyama, Atsushi

    Published in Journal of the American Chemical Society (08-08-2007)
    “…The peptide group connecting Tyr440 and Ser441 of the bovine cytochrome c oxidase is involved in a recently proposed proton-transfer path (H-path) where, at…”
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    Energetics and Electronic Structures of Alkanes Adsorbed on Carbon Nanotubes by Kamiya, Katsumasa, Okada, Susumu

    Published in Japanese Journal of Applied Physics (01-04-2013)
    “…We report on total-energy electronic-structure calculations based on the density functional theory performed on linear alkanes [C n H 2n+2 with $n = 1$ to 8]…”
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    Energetics and Electronic Structures of Alkanes and Polyethylene Adsorbed on Graphene by Kamiya, Katsumasa, Okada, Susumu

    Published in Japanese Journal of Applied Physics (01-06-2013)
    “…We report on total-energy electronic-structure calculations performed for linear alkanes [C n H 2n+2 with $n=1$ to 8] and polyethylene of infinite length, both…”
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    Mutations affecting the internal equilibrium of the reaction catalyzed by 6‐aminohexanoate‐dimer hydrolase by Negoro, Seiji, Kawashima, Yasuyuki, Shibata, Naoki, Kobayashi, Tatsuya, Baba, Takeshi, Lee, Young‐Ho, Kamiya, Katsumasa, Shigeta, Yasuteru, Nagai, Keisuke, Takehara, Ikki, Kato, Dai‐ichiro, Takeo, Masahiro, Higuchi, Yoshiki

    Published in FEBS letters (01-09-2016)
    “…The enzyme 6‐aminohexanoate‐dimer hydrolase catalyzes amide synthesis. The yield of this reverse reaction in 90% t‐butyl alcohol was found to vary drastically…”
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    Theoretical study of Si-based ionic switch by Yamauchi, Takashi, Young Yang, Moon, Kamiya, Katsumasa, Shiraishi, Kenji, Nakayama, Takashi

    Published in Applied physics letters (14-05-2012)
    “…We studied the formation/dissolution of a silver (Ag) filament in a silicon (Si) layer through the first-principles calculations. We found these processes take…”
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    Interstitial oxygen induced Fermi level pinning in the Al2O3-based high-k MISFET with heavy-doped n-type poly-Si gates by Yang, Moon Young, Kamiya, Katsumasa, Shiraishi, Kenji

    Published in AIP advances (01-10-2013)
    “…We study the origin of substantial threshold voltage (Vth) shifts observed in Al2O3-based MISFETs with n+poly-Si gate, by focusing on the effect of an…”
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