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Dive into the research topics where Akimitsu Sano is active.

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Featured researches published by Akimitsu Sano.


Journal of The Society of Powder Technology, Japan | 1991

Control of the Crystal Form by the Spherical Crystallization Technique

Akimitsu Sano; Takeo Kuriki; Yoshiaki Kawashima; Hirofumi Takeuchi; Tomoaki Hino; Toshiyuki Niwa

形A型 お よびB型 を それ ぞれ生 成す るこ とが報告 され てい る。 そ して,彼 らはA型 お よびB型 の溶解性 並 び に生物 学的利 用率 は同等 で あ るが,B型 は ホ ッパ ー内 で ブ リッジ ングおよ び打 錠時 に キヤ ッ ピングを発生 し 易 い ことを報告 してい る。 また,結 晶多 形間 に おいて 圧縮性,溶 解 性,生 物学 的利用 率等 に有意 な差 が あ る こと も知 られ てい る5,6)。このよ うに 結 晶 多 形が これ らの二次 特性 に大 きな影響 を与 え るため に,晶 析 の過 程で 結晶形 を コ ン トロール す ること は重要 な ことであ る7,8)。本 法 は 晶 析を 伴 うので,晶 析操 作 を コ ン トロ ールす る ことに よ り,二 次物 性 がよ り有利 な結 晶形 に す ることが で きる。 そ こで,本 研 究 で はTBMの 結 晶 多形 を製 造す るため に種 々 の晶析 操作 法を 試 み,こ れ ら結 晶多 形 の生 成要 因 を明 らか にす る ことを 目的 と し た。


Journal of Pharmaceutical Sciences | 1987

Particle Design of Tolbutamide in the Presence of Soluble Polymer or Surfactant by the Spherical Crystallization Technique: Improvement of Dissolution Rate

Akimitsu Sano; Takeo Kuriki; Tetsurou Handa; Hirofumi Takeuchi; Yoshiaki Kawashima


Chemical & Pharmaceutical Bulletin | 1990

Stability and Degradation Pattern of Cefpirome (HR 810) in Aqueous Solution

Tatsuo Sugioka; Toshikazu Asano; Yuji Chikaraishi; Emi Suzuki; Akimitsu Sano; Takeo Kuriki; Mikio Shirotsuka; Kenji Saito


Chemical & Pharmaceutical Bulletin | 1990

Particle design of tolbutamide by the spherical crystallization technique. III, Micromeritic properties and dissolution rate of tolbutamide spherical agglomerates prepared by the quasi-emulsion solvent diffusion method and the solvent change method

Akimitsu Sano; Takeo Kuriki; Yoshiaki Kawashima; Hirofumi Takeuchi; Tomoaki Hino; Toshiyuki Niwa


Chemical & Pharmaceutical Bulletin | 1992

Particle Design of Tolbutamide by the Spherical Crystallization Technique. V. Improvement of Dissolution and Bioavailability of Direct Compressed Tablets Prepared Using Tolbutamide Agglomerated Crystals

Akimitsu Sano; Takeo Kuriki; Yoshiaki Kawashima; Hirofumi Takeuchi; Tomoaki Hino; Toshiyuki Niwa


Chemical & Pharmaceutical Bulletin | 1989

Particle Design of Tolbutamide by the Spherical Cystallization Technique. II. : Factors Causing Polymorphism of Tolbutamide Spherical Agglomerates

Akimitsu Sano; Takeo Kuriki; Yoshiaki Kawashima; Hirofumi Takeuchi; Toshiyuki Niwa


Chemical & Pharmaceutical Bulletin | 1995

Studies on the Granulation Process of Granules for Tableting with a High Speed Mixer. II. Influence of Particle Size of Active Substance on Granulation

Tatsuro Shiraishi; Akimitsu Sano; Shiuji Kondo; Hiroshi Yuasa; Yoshio Kanaya


Chemical & Pharmaceutical Bulletin | 1982

Studies on Xanthine Derivatives. I. Formation of Tricyclic Heterocycles from Hydrolysates of 1-(5-Oxohexyl) theobromine (Pentoxifylline)

Tsuyoshi Tsujiyama; Tsutomu Ohsaki; Kazutaka Matsubara; Akimitsu Sano; Takeo Kuriki; Nobuo Suzuki


Chemical & Pharmaceutical Bulletin | 1992

Particle Design for Antidiabetic Drugs by the Spherical Crystallization Technique. IV. Assessment of Compressibility of Agglomerated Tolbutamide Crystals Prepared by Crystallization Technique

Akimitsu Sano; Takeo Kuriki; Yoshiaki Kawashima; Hirofumi Takeuchi; Tomoaki Hino; Toshiyuki Niwa


Yakugaku Zasshi-journal of The Pharmaceutical Society of Japan | 1981

Acid Hydrolysis of Furosemide in Alcohol-Water Mixtures

Toshimasa Toyooka; Akimitsu Sano; Takeo Kuriki; Nobuo Suzuki

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Hirofumi Takeuchi

Gifu Pharmaceutical University

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Yoshiaki Kawashima

Gifu Pharmaceutical University

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Tomoaki Hino

Gifu Pharmaceutical University

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Emi Suzuki

Tokyo University of Agriculture

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