Výsledky vyhledávání - "HISASHI MATSUDA"

Akademický článek

Experimental Study on the Snowfall Flow Control of Backward-Facing Steps Using a High-Durability Designed Plasma Electrode

Autor: Tasuku Tanaka, Hisashi Matsuda, Toshiki Takahashi, Takahiro Chiba, Nobuyoshi Watanabe, Hideaki Sato, Masafumi Takeyama

Publikováno v: Actuators, Vol 11, Iss 11, p 313 (2022)

Using a high-durability designed plasma electrode (PA), the plasma actuation effect on both a two-dimensional backward-facing step flow (standard model) and an arc-shaped three-dimensional backward-facing step flow (arc model) was investigated experi

Externí odkaz: https://doaj.org/article/f516074b61fb4ef59d513d3f52f1e8c3

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Akademický článek

Structures of Cyclic Organosulfur Compounds From Garlic (Allium sativum L.) Leaves

Autor: Masashi Fukaya, Seikou Nakamura, Hitoshi Hayashida, Daisuke Noguchi, Souichi Nakashima, Taichi Yoneda, Hisashi Matsuda

Publikováno v: Frontiers in Chemistry, Vol 8 (2020)

Five new cyclic organosulfur compounds, foliogarlic disulfanes A1 (1), A2 (2), and A3 (3) and foliogarlic trisulfane A1 (4) and A2 (5), were isolated from the leaves of Allium sativum (garlic). The chemical structures of these compounds were elucidat

Externí odkaz: https://doaj.org/article/8bb780b1c0bd4d18b470104971df8907

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Akademický článek

Analysis of Active Compounds Using Target Protein Cofilin―Cucurbitacins in Cytotoxic Plant Bryonia cretica

Autor: Souichi Nakashima, Yoshimi Oda, Moeko Morita, Ayako Ohta, Toshio Morikawa, Hisashi Matsuda, Seikou Nakamura

Publikováno v: Toxins, Vol 14, Iss 3, p 212 (2022)

We examined a two-step target protein binding strategy that uses cofilin as the target protein to analyze the active constituents in Bryonia cretica. In the first step, we prepared the target protein, and used it to analyze the compounds binding to i

Externí odkaz: https://doaj.org/article/131b9a2f3437447a9516462fea92fb2d

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Akademický článek

Anti-inflammatory activity of compounds from Kaempferia marginata rhizomes

Autor: Kanidta Kaewkroek, Chatchai Wattanapiromsaku, Hisashi Matsuda, Seikou Nakamura, Supinya Tewtrakul

Publikováno v: Songklanakarin Journal of Science and Technology (SJST), Vol 39, Iss 1, Pp 91-99 (2017)

Two new pimarane diterpenes were obtained from Kaempferia marginata rhizomes, which are 1α-acetoxysandaracopimaradien-2-one (1) and 1α-acetoxysandaracopimaradiene (4), along with seven known compounds from the hexane and chloroform fractions incl

Externí odkaz: https://doaj.org/article/8d54abe659a24ae2b3d7c3fdcf15fd9a

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Akademický článek

Development of low vacuum laser welding technique using an aerodynamic window

Autor: Tatsuro UCHIDA, Takeshi FUKUDA, Hisashi MATSUDA

Publikováno v: Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 868, Pp 18-00280-18-00280 (2018)

In order to realize deep laser welding, conceptual application of a supersonic jet as an aerodynamic window was investigated. Detailed characteristics of the supersonic jet as the aerodynamic window were studied experimentally. Flow field of the supe

Externí odkaz: https://doaj.org/article/4829449175aa40f6a35d21655345a8b0

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Akademický článek

Euphosantianane A–D: Antiproliferative Premyrsinane Diterpenoids from the Endemic Egyptian Plant Euphorbia Sanctae-Catharinae

Autor: Mohamed-Elamir F. Hegazy, Ahmed R. Hamed, Mahmoud A. A. Ibrahim, Zienab Talat, Eman H. Reda, Nahla S. Abdel-Azim, Faiza M. Hammouda, Seikou Nakamura, Hisashi Matsuda, Eman G. Haggag, Paul W. Paré, Thomas Efferth

Publikováno v: Molecules, Vol 23, Iss 9, p 2221 (2018)

Euphorbia species are rich in diterpenes. A solvent extraction of Euphorbia sanctae-catharinae, a species indigenous to the Southern Sinai of Egypt, afforded several premyrsinane diterpenoids (1–4) as well as previously reported metabolites (5–13

Externí odkaz: https://doaj.org/article/3d21131fdc9948078c9415eb89b94376

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