نتایج جستجو برای: higuchi model

تعداد نتایج: 2104683  

Journal: :research in pharmaceutical sciences 0
vt thakkar pa shah tg soni my parmar mc gohel tr gandhi

the objective of this work was to develop and evaluate the levofloxacin hemihydrate floating formulations (f1-f9). selection of optimized batch was done by model dependent approach and novel mathematical approach. f1-f9 batches were prepared by direct compression method using gelucire 43/01 (hydrophobic) and hydroxypropylmethylcellulose (hydrophilic) polymer in different ratios. the floating ta...

Journal: :علوم و تکنولوژی پلیمر 0
سید مجتبی تقی زاده آرزو سروش نیا فاطمه محمدنیا

some formulations of drug in adhesive transdermal drug delivery systems ()tddss)( with different functional and non-functional acrylic pressure sensitive adhesives psas)( were prepared. for this purpose fentanyl was used as a drug component. the effects of psas type on skin permeation and in vitro drug release from devices were evaluated using hydrodynamically well-characterized chien permeatio...

Journal: :Revista Colombiana de Ciencias Químico - Farmacéuticas 2021

Introduction: Eggshell membrane (ESM) is a tissue found between the eggshell and albumen of eggs that has attractive properties for use in drug delivery systems. Aim: To incorporate ESM used it as model release studies. The color change FTIR analysis biopolymer proved incorporation nimesulide ESM. Results: uptake was 176.83 122.69 mg g-1 by natural cross-linked Release studies were carried out ...

2015
Shariful Haque Md. Mizanur Rahman Moghal Masbahur Rahman Abu Shara Shamsur Rouf

In present study an attempt was made to formulate and to evaluate the sustain release Carvedilol matrix tablets by using METHOCEL K100LV CR, METHOCEL K100M CR and Xanthum Gum polymer. The tablets were prepared by direct compression method. The granules were evaluated by angle of repose, bulk density, tapped density and compressibility index, surface P. The formulated tablets were evaluated by w...

2014
MUHAMMAD TAYYAB ANSARI HUMAYUN PERVEZ MUHAMMAD TARIQ SHEHZAD NISAR HUSSAIN SHAH MUHAMMAD TAHIR RAZI GHULAM MURTAZA

Artemisinin (ARMN) is a potent antimalarial drug, which is effective against multidrug resistant strains of Plasmodium falciparum and produces rapid recovery even in patients with cerebral malaria. Being poorly soluble in water, artemisinin is incompletely absorbed after oral intake due to poor dissolution characteristics in the intestinal fluids. To enhance these properties, solid dispersions ...

1999
RYOTA HOKARI SOICHIRO MIURA HITOSHI FUJIMORI SEIICHIRO KOSEKI YOSHIKAZU TSUZUKI HIROYUKI KIMURA HAJIME HIGUCHI HIROSHI SERIZAWA HIROMASA ISHII Soichiro Miura Hitoshi Fujimori Seiichiro Koseki Yoshikazu Tsuzuki Hiroyuki Kimura Hajime Higuchi Hiroshi Serizawa

RYOTA HOKARI,1 SOICHIRO MIURA,2 HITOSHI FUJIMORI,1 SEIICHIRO KOSEKI,1 YOSHIKAZU TSUZUKI,1 HIROYUKI KIMURA,1 HAJIME HIGUCHI,1 HIROSHI SERIZAWA,1 D. NEIL GRANGER,3 AND HIROMASA ISHII1 1Department of Internal Medicine, School of Medicine, Keio University, Tokyo 160-8582; 2Second Department of Internal Medicine, National Defense Medical College, Saitama 359-8513, Japan; and 3Department of Molecular...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

Journal: :iranian journal of pharmaceutical research 0
r dinarvand e rahmani e farbod

a topical o/w cream containing tretinoin microspheres was prepared. gelatin microspheres of tretinoin were prepared using coacervation method. these microspheres contained about 50% w/w tretinoin. the particle size range of microspheres was between 90-150 m m. in vitro drug release from microspheres and a cream formulation was studied. it was shown that drug release from microspheres followed h...

Journal: :iranian journal of pharmaceutical research 0
h mehrgan

in this study, the effects of various hydrophilic (hpmc and carbopol 971) and plastic (ethylcellulose and eudragit rl100) polymers on the release profile of diltiazem hcl from matrix tablets were evaluated in-vitro. for this purpose, tablets containing 60 mg of diltiazem hcl along with various amounts of the aforementioned polymers were prepared using the wet granulation technique. tablets prep...

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