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  • ニューラルネットワークによる製剤処方の最適化

    髙山 幸三, 藤川 未来人, 小幡 誉子, 森下 真莉子, 永井 恒司 薬剤学 64 (1), 2-12, 2004

    <p>A pharmaceutical formulation is composed of several formulation factors and process variables. Several responses relating to the effectiveness, usefulness and stability, as well as safety, must …

    DOI 医中誌 被引用文献3件 参考文献71件

  • パーティクルとDDS  脂質パーティクル製剤

    米谷 芳枝, 永井 恒司 Drug Delivery System 17 (4), 314-320, 2002

    Particle dosage forms have been receiving much attention in drug delivery systems because of such features as controlled release, absorption improvement and drug targeting. In addition, unlike …

    DOI 医中誌 参考文献31件

  • 実学と基礎学

    永井 恒司 Drug Delivery System 15 (6), 489-489, 2000

    DOI

  • ジクロフェナクリン脂質修飾体の体内動態と薬理活性

    平川 貴恵, 小幡 誉子, 高山 幸三, 亀井 淳三, 副田 行夫, 久津間 輝男, 本多 利雄, 永井 恒司 Drug Delivery System 12 (3), 167-173, 1997

    Prodrug of diclofenac (DF-C<SUB>2</SUB>-P) was synthesized by introducing phospholipid-like compound into carboxyl group in the mother molecule. DF-C<SUB>2</SUB>-P was rapidly decomposed in neutral …

    DOI 医中誌 参考文献20件

  • 創剤-薬学における"Change"

    永井 恒司 薬学雑誌 117 (10-11), 963-971, 1997

    New drug development can be made by providing products of higher "selectivity for the drug" for medical treatment. There are two ways for the approach to get higher "selectivity of drug" : 1) …

    DOI Web Site Web Site ほか1件 被引用文献1件 参考文献44件

  • オキシブチニンの皮膚透過におけるメントール誘導体の影響

    大草 貴之, 小幡 誉子, 高山 幸三, 東山 公男, 永井 恒司 Drug Delivery System 12 (5), 327-333, 1997

    Oxybutynin (OB) is widely used for the treatment of incontinence due to neurogenic bladder dysfunction. In order to reduce side effects and increase therapeutic efficiency, we investigated …

    DOI 医中誌 被引用文献2件 参考文献14件

  • 黄体補充療法を目的とした徐放性プロゲステロン二層坐剤

    岩田 政則, 高橋 由里, 城武 昇一, 山本 知永, 高山 幸三, 町田 良治, 平原 史樹, 水口 弘司, 永井 恒司 薬学雑誌 117 (9), 629-635, 1997

    A sustained release suppository containing progesterone with a double-layered structure was prepared for the treatment of the luteal phase defect. Hydroxypropylcellulose-H (HPC) and Carbopol-934P …

    DOI Web Site Web Site ほか1件 被引用文献3件 参考文献9件

  • Chitosan Film Prepared on a Metal Plate Loaded with Electric Charge.

    池田 拓, 内山 一美, 高山 幸三, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 43 (12), 2211-2214, 1995

    A novel chitosan film was prepared using an electric charge generated on a cast plate and was given characteristic physical properties. Two metal plates were adhered together with Teflon sheet …

    DOI Web Site

  • Absorption of Insulin Using Water-in-Oil-in-Water Emulsion from an Enteral Loop in Rats.

    松澤 綾子, 森下 真莉子, 高山 幸三, 永井 恒司 Biological & Pharmaceutical Bulletin 18 (12), 1718-1723, 1995

    The present work was undertaken to prepare water-in-oil-in-water (W/O/W) emulsions as a carrier for insulin via the enteral route. The emulsions were prepared by a two-step procedure using a …

    DOI Web Site PubMed ほか1件 被引用文献4件 参考文献41件

  • 坐剤の新規放出試験法

    岩田 政則, 町田 良治, 城武 昇一, 高山 幸三, 永井 恒司 病院薬学 21 (1), 29-36, 1995

    Beads-Rotatory cell method was investigated as a new release test method for suppositories. A progesterone suppository of Witepsol-W35 and an indomethacin suppository of polyethyleneglycol were …

    DOI NDLデジタルコレクション 医中誌 被引用文献1件 参考文献13件

  • ファルマシア25年

    永井 恒司, 山崎 幹夫, 池川 信夫, 北川 勲, 富岡 清 ファルマシア 25 (10), 997-1002, 1989-10-01

    DOI

  • 薬剤学からみたDDSの現況と展望

    町田 良治, 永井 恒司 Drug Delivery System 3 (3), 383-389, 1988

    A trend in recent researches on a development of drug delivery system (DDS) was described. Some problems of existing DDS are discussed from pharmacetical point of view. Recent researches concerning …

    DOI 医中誌

  • 放出制御型薬物送達システム

    永井 恒司 薬学雑誌 108 (7), 613-624, 1988

    With a view to finding an advanced technology of control of bioavailability, drug delivery systems have been investigated by controlled release, which are for (1) intrauterine, (2) buccal/gingival, …

    DOI Web Site Web Site ほか1件 被引用文献1件

  • 薬物送達システム(<特集>医療の最前線と化学)

    高山 幸三, 永井 恒司 化学と教育 35 (2), 115-118, 1987

    必要量の薬物を, 体内の適切な部位に効率よく到達させる投薬システムを開発することは, 薬物による治療をより精密に行う上で重要であり, また副作用の防止, 軽減という面からも意義が深い。近年, このような薬物送達システム(Drug Delivery System, DDS)と呼ばれる新しい薬物投与技術が開発されてきているが, これは主に高分子材料に薬を含ませたり, …

    DOI Web Site 医中誌

  • 薬物送達システム

    永井 恒司 BME 1 (8), 614-617, 1987

    薬の副作用を抑え, その作用を最大限に発揮させるための新しい薬剤投与技術, 薬物送達システム (DDS) が最近, 注目されている. 本稿ではこのDDSについて, 薬物をターゲットに選択的に送り届ける手法, 生物学的利用能と薬物送達の制御技術についてまとめ, DDSの代表例をいくつか記述した.

    DOI 医中誌

  • Particle size distribution affects the human bioavailability of phenytoin.

    谷古宇 秀, 山崎 佐智子, 園部 尚, 杉原 正泰, 福室 憲治, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 34 (10), 4400-4402, 1986

    The particle size distributions of two commercially available batches of phenytoin (PHT) crystals were determined. Fifty-four percent of PHT crystals of one of the batches was in a large particle …

    DOI Web Site PubMed

  • 新薬開発への薬剤学的アプローチ

    永井 恒司 薬学雑誌 106 (2), 99-109, 1986

    The recent advances in pharmaceutical technology have been promoted in a strong relation to taking the data to prove the efficacy and safety in drug development activities and also to designing new …

    DOI Web Site Web Site ほか1件 被引用文献1件

  • A new method of dissolution testing for oily drug preparations using an improved apparatus.

    町田 良治, 徳村 忠一, 小室 しげみ, 対馬 勇禧, 立石 公男, 栢野 正則, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 34 (6), 2637-2641, 1986

    A new method of dissolution testing for oily drug preparations, the drug and vehicles of which tend to float on the surface of the dissolution test medium, was investigated. In this study, a …

    DOI Web Site PubMed 被引用文献1件

  • Computer optimization of the formulation of acrylic plaster.

    穐利 豊, 高山 幸三, 町田 良治, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 33 (10), 4536-4543, 1985

    A computer optimization technique was applied to obtain the optimum formula of acrylic plaster vehicle containing ketoprofen (KPF). The dissolution rate of KPF, in vivo percutaneous absorption of …

    DOI Web Site PubMed

  • Kinetics of degradation of cinnarizine in aqueous solution.

    徳村 忠一, 市川 尭晴, 菅原 信行, 立石 公男, 栢野 正則, 町田 良治, 星田 晴彦, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 33 (5), 2069-2072, 1985

    The kinetics of the degradation of cinnarizine in aqueous solution at various pH values and four different temperatures were investigated. The degradation of cinnarizine was observed as a pseudo …

    DOI Web Site PubMed 被引用文献1件

  • Influence of wetting factors on the dissolution behavior of flufenamic acid.

    板井 茂, 根本 正美, 小団扇 省三, 村山 普, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 33 (12), 5464-5473, 1985

    The effects of surfactant, particle size, and additives on the dissolution rate of flufenamic acid (FFA) were evaluated in relation to the time course of the available surface area (S (t) ). The …

    DOI Web Site PubMed 被引用文献2件

  • Dissolution behavior of chlorpropamide polymorphs.

    上田 晴久, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 32 (1), 244-250, 1984

    The dissolution profiles of chlorpropamide (CPM) polymorphs, especially the metastable form II reported by Al-Saieq et al., were investigated kinetically in detail by a dispersed amount method and a …

    DOI Web Site 被引用文献2件

  • Properties of cyclodextrin polymer as a tabletting aid.

    / 白倉 治, / 永井 恒司, SZEJTLI JOZSEF, NAGAI TSUNEJI CHEMICAL & PHARMACEUTICAL BULLETIN 32 (2), 665-669, 1984

    The binding and disintegrating properties of cyclodextrin polymer as well as its effect on the dissolution of a poorly soluble drug have been evaluated on the basis of the hardness, friability and …

    DOI Web Site PubMed ほか1件 被引用文献1件

  • Sustained-release formulation of buformin hydrochloride.

    沢柳 洋市, 園部 尚, 川田 裕溢, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 32 (3), 1049-1054, 1984

    Using buformin hydrochloride, a highly water-soluble drug, as a model drug, a sustainedrelease dosage form was developed. Six granule formulations were prepared from corn starchlactose, synthetic …

    DOI Web Site PubMed

  • Kinetics of hydrolysis of oxazolam in aqueous solution.

    池田 勝, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 32 (3), 1080-1090, 1984

    The hydrolysis reaction of oxazolam, a representative of 1, 4-benzodiazepinooxazoles (BDOZ), was investigated kinetically. The reaction product was identified by thin layer chromatography (TLC) and …

    DOI Web Site

  • Solubility of acetaminophen in cosolvents.

    永井 恒司 /, PRAKONGPAN SOMPOL CHEMICAL & PHARMACEUTICAL BULLETIN 32 (1), 340-343, 1984

    The solubilities of acetaminophen (N-(4-hydroxyphenyl) acetamide) (ACA) were determined in various aqueous cosolvent mixtures, i.e., ethanol-water, polyethylene glycol 400 (PEG 400)-water and …

    DOI Web Site 医中誌 被引用文献5件

  • Evaluation of cyclodextrin polymer as an additive for furosemide tablet.

    / 高山 幸三, / 永井 恒司, SZEJTLI JOZSEF, NAGAI TSUNEJI CHEMICAL & PHARMACEUTICAL BULLETIN 32 (2), 670-677, 1984

    The effectiveness of cyclodextrin polymer as a disintegrating agent for directly compressed tablets containing furosemide, cyclodextrin polymer and microcrystalline cellulose was investigated. …

    DOI Web Site PubMed ほか1件

  • 呼吸器感染症におけるTobramycin 1日投与量の分割回数の検討

    中川 昌一, 斎藤 玲, 吉谷 秀一, 増山 栄一, 菊入 剛, 氏家 昭, 伊藤 長英, 矢嶋 戦, 鎌田 等, 丹呉 幹彦, 一島 嘉明, 平賀 洋明, 菊地 弘毅, 中橋 勝, 富沢 磨須美, 佐藤 幹弥, 平山 亮夫, 尾山 洋太郎, 木下 与四男, 安達 一幸, 小島 愛司, 小林 正, 徳中 弘之, 清水 洋三, 永井 恒司 The Japanese Journal of Antibiotics 36 (12), 3359-3391, 1983

    Tobramycin (以下TOBと略す) はStreptomyces tenebrariusが産生するアミノグリコシド系抗生物質で, 1970年アメリカEliLilly社研究所で開発されたものであり1), 化学構造式はFig.1に示した。化学名はO-3-Amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2, 6-diamino-2, 3, …

    DOI PubMed

  • Dissolution of diethazine hydrochloride from the coprecipitate with pectin.

    高橋 靖侑, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 31 (3), 1040-1046, 1983

    The physical mixture and the coprecipitate of diethazine hydrochloride (DZ), a cationic drug used as a model water-soluble drug, with pectin were studied to determine their dissolution properties in …

    DOI Web Site

  • ヤシ油/アラビアゴム水溶液-界面膜粘弾性

    中村 幹雄, 吉倉 正博, 小畑 繁雄, 永井 恒司 薬学雑誌 103 (11), 1206-1209, 1983

    This paper deals with interfacial viscoelasticities of oil/water-system, which was prepared from a coconut oil as an oil phase and gum arabic solution as a water phase. The measurements were based …

    DOI Web Site Web Site ほか1件

  • 製薬企業の将来と求められるトップ人物像

    森岡 茂夫, 内藤 祐次, 野口 照久, 永井 恒司 ファルマシア 19 (1), 13-18, 1983-01-01

    日本の製薬産業は高度に発達したけれど, これからはどのように変貌して行くであろう.特許法や薬事法の改正の影響も出はじめている.研究開発促進・国際化・大衆薬・生物工学などはこれからの製薬企業が取り組んでゆくべき重要課題である.このようなこれからの製薬企業には, どのようなリーダーが求められるか.技術をベースにマーケッティングにも通じた人材, 国際的に通用する人材, …

    DOI 医中誌

  • Permeation of drugs through chitosan membranes.

    沢柳 洋市, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 30 (9), 3297-3301, 1982

    The permeation of several drugs such as promethazine hydrochloride, chlorpromazine hydrochloride, diethazine hydrochloride, triflupromazine hydrochloride, flufenamic acid, ketoprofen, indomethacin, …

    DOI Web Site 医中誌

  • Interaction of phenothiazines with pectin in the solid state.

    高橋 靖侑, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 30 (8), 2919-2925, 1982

    The interaction of phenothiazines with pectin in the solid state was investigated, and the formation of coprecipitates was confirmed by infrared absorption spectroscopy and powder X-ray …

    DOI Web Site 医中誌

  • The acid-base equilibrium reaction of benzodiazepinooxazoles.

    池田 勝, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 30 (10), 3810-3816, 1982

    The acid-base equilibrium reactions of oxazolam (10-chloro-2, 3, 5, 6, 7, 11b-hexahydro-2-methyl-11b-phenylbenzo [6, 7]-1, 4-diazepino [5, 4-b] oxazol-6-one) and thirteen other derivatives of 1, …

    DOI Web Site

  • 猩紅熱に対するCefadroxilとCephalexinの二重盲検比較試験

    冨沢 功, 滝沢 慶彦, 小西 和美, 今川 八束, 村田 三紗子, 辻 正周, 松原 義雄, 瀬尾 威久, 相楽 裕子, 庭野 一次, 大久保 暢夫, 柏木 義勝, 柴田 実, 永瀬 金一郎, 小川 暢也, 永井 恒司 感染症学雑誌 56 (4), 294-310, 1982

    猩紅熱に対するCefadroxil (CDX) の有効性と安全性を客観的に評価する目的で, Cephalexin (CEX) を対照薬剤として, 二重盲検比較試験を行い, 次のような成績を得た.<BR>1) 体重15~30kgの猩紅熱患者を対象とし, 体重15~20kg未満の症例には, CDX600mg (力価), CEX800mg (力価) を, …

    DOI Web Site PubMed ほか1件

  • Thermodynamic properties of polymorphs of tolbutamide.

    上田 晴久, 南部 直樹, 永井 恒司 CHEMICAL & PHARMACEUTICAL BULLETIN 30 (7), 2618-2620, 1982

    Thermodynamic values for two polymorphic forms of tolbutamide (form A and form B) were calculated on the basis of solubility determination and differential scanning calorimetry. The transition …

    DOI Web Site 医中誌

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