نتایج جستجو برای: vitro release

تعداد نتایج: 599236  

Journal: :iranian journal of pharmaceutical research 0
matylda resztak department of physical pharmacy and pharmacokinetics, k. marcinkowski university of medical sciences, święcickiego 6 st., 60-781 poznań, poland tadeusz władysław hermann department of physical pharmacy and pharmacokinetics, k. marcinkowski university of medical sciences, poland wiesław sawicki department of pharmaceutical technology, medical university of gdańsk, poland dorota zuzanna danielak department of physical pharmacy and pharmacokinetics, k. marcinkowski university of medical sciences, poland

the objective of the study was to compare pharmacokinetic and pharmacodynamic parameters of gliclazide after administration of immediate (ir) and modified release (mr) tablets. the experiment included rats with both normoglyceamia and streptozocin (stz)-induced hyperglyceamia. several mr formulations were designed and in vitro drug release profile was assessed by a dissolution test. for the fur...

Journal: :iranian journal of pharmaceutical research 0
p dandagi s kerur v mastiholimath a gadad a kulkarni

the aim of this study is to formulate a novel ophthalmic nanosuspension (ons), an alternative carrier system to traditional colloidal carriers for controlled release (cr) of acyclovir (acv). in the present study, ons is employed to avoid some of major disadvantages of colloidal carriers systems such as instability in cul de sac and short half life by increasing efficiency of drug encapsulation ...

Journal: :iranian journal of pharmaceutical sciences 0
m.k. deepa department of pharmaceutics, jdt isam college of pharmacy, marikkunnu, jamiath hill, malabar, calicut, kerala state- 673012, india m. karthikeyan department of pharmacology, malik deenar college of pharmacy, seethangoli, bela village, kasaragod, kerala state-671321, india

the objective of the present study was to develop floating microspheres of cefpodoxime proxetil in order to achieve an extended retention in the upper git, which may result in enhanced absorption and thereby improved bioavailability. the microspheres were prepared by non-aqueous solvent evaporation method using polymers such as hydroxyl propyl methyl cellulose (hpmc k 15 m), ethyl cellulose in ...

Journal: :iranian journal of pharmaceutical research 0
a rezaei mokarram

preparation of chitosan (cs) microspheres as a novel drug delivery vehicle for intranasal immunization using high, medium and low cs molecular weight (mw) was investigated in this study. diphtheria toxoid (dt) was used as a model antigen. the emulsion-solidification method was adopted for microencapsulation of dt.  in the first step, following the purification of semi-crude dt by the ion-exchan...

H Rahman MS Islam S Reza

Extended-release matrix tablets of diltiazem hydrochloride (DTZ) were prepared using waxy materials alone or in combination with Kollidon SR. Matrix waxy materials were carnauba wax (CW), bees wax (BW), cetyl alcohol (CA) and glyceryl monostearate (GMS). Dissolution studies were carried out by using a six stations USP XXII type 1 apparatus. The in vitro drug release study was done in 1000 ml ph...

Journal: :iranian journal of pharmaceutical research 0
ms islam s reza h rahman

extended-release matrix tablets of diltiazem hydrochloride (dtz) were prepared using waxy materials alone or in combination with kollidon sr. matrix waxy materials were carnauba wax (cw), bees wax (bw), cetyl alcohol (ca) and glyceryl monostearate (gms). dissolution studies were carried out by using a six stations usp xxii type 1 apparatus. the in vitro drug release study was done in 1000 ml ph...

H Rahman MS Islam S Reza

Extended-release matrix tablets of diltiazem hydrochloride (DTZ) were prepared using waxy materials alone or in combination with Kollidon SR. Matrix waxy materials were carnauba wax (CW), bees wax (BW), cetyl alcohol (CA) and glyceryl monostearate (GMS). Dissolution studies were carried out by using a six stations USP XXII type 1 apparatus. The in vitro drug release study was done in 1000 ml ph...

B Benoy Bratac N Bhabani Shankar N Udaya Kumar R Prasant Kumar

The present study concerned with the development and characterization of metronidazole microcapsules prepared by thermal change method using different ratios (1:1, 1:2 and 1:4) of ethyl cellulose in order to select the best microcapsule formulation with a good encapsulation efficiency and drug release profile. The obtained microcapsules were discrete, spherical with free flowing properties and ...

B Benoy Bratac N Bhabani Shankar N Udaya Kumar R Prasant Kumar

The present study concerned with the development and characterization of metronidazole microcapsules prepared by thermal change method using different ratios (1:1, 1:2 and 1:4) of ethyl cellulose in order to select the best microcapsule formulation with a good encapsulation efficiency and drug release profile. The obtained microcapsules were discrete, spherical with free flowing properties and ...

Objective(s): The purpose of this study was preparation and evaluation of PVA-Fe3O4 nanofibers as nanocarrier of doxorubicin (DOX) by measuring their drug release together with their in vitro cytotoxicity toward cancer cells at different pH values. Methods: Fe3O4 nanoparticles were synthesized by coprecipitation...

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