نتایج جستجو برای: mucoadhesive polymers

تعداد نتایج: 71974  

2010
Jayvadan Patel Darshna Patel Jignyasha Raval

The purpose of this research was to formulate and systemically evaluate in-vitro and in-vivo performances of mucoadhesive propranolol hydrochloride microspheres for its potential use in the treatment of hypertension, myocardial infraction and cardiac arrhythmias. Propranolol hydrochloride mucoadhesive microspheres, containing carbopol-934P as mucoadhesive polymer and ethyl cellulose as carrier ...

2015

Introduction: Vaginal delivery of medication is advantageous in allowing for the medication to avoid first-pass metabolism and gastrointestinal degradation [1]. Lined with non-cornified, stratified squamous epithelium, the vaginal mucosa offers a large surface area and rich blood supply, making it a promising site for delivery of medication in the treatment of conditions such as vaginitis (infl...

Journal: :Journal of controlled release : official journal of the Controlled Release Society 2009
Maya Davidovich-Pinhas Offer Harari Havazelet Bianco-Peled

Mucoadhesive polymers have been proposed as drug delivery carriers due to their ability to adhere to the mucus layer. A relatively new class of mucoadhesive polymers, termed thiomers, was suggested as an improved carrier capable of creating disulfide covalent bond with the mucus. Since the wet physiological environment is likely to cause any delivery system to adsorb water and arrive hydrated t...

Journal: :Advanced pharmaceutical bulletin 2014
Mitra Jelvehgari Hadi Valizadeh Ramin Jalali Motlagh Hassan Montazam

PURPOSE The present study involves preparation and evaluation of diclofenac buccal-mucoadhesive microparticles for prolongation of buccal residence time. METHODS The microparticles were prepared by modified double-emulsion dehydration method (O1/W/O2) using sodium carboxymethylcellulose (CMC-Na) as mucoadhesive polymer. Calcium chloride was used as a cross-linking agent. Buccal-mucoadhesive m...

2010
A. Choudhury S. Das S. Bahadur S. Saha A. Roy

Omeprazole pellets containing mucoadhesive tablets were developed by direct punch method. Three mucoadhesive polymers namely hydroxypropylemethylcellulose K4M, sodium carboxy methylcellulose, carbopol-934P and ethyl cellulose were used for preparation of tablets which intended for prolong action may be due to the attachment with intestinal mucosa for relief from active duodenal ulcer. Mucoadhes...

Journal: :iranian journal of basic medical sciences 0
shokouhsadat hamedi department of traditional pharmacy, faculty of traditional medicine, tehran university of medical sciences, tehran, iran mohammad reza shams-ardakani department of pharmacognosy, school of pharmacy, tehran university of medical sciences, tehran, iran omid sadeghpour herbal medicine department, research institute for islamic and complementary medicine, iran university of medical sciences, tehran, iran gholamreza amin department of pharmacognosy, school of pharmacy, tehran university of medical sciences, tehran, iran dawood hajighasemali faculty of traditional medicine, iran university of medical sciences, tehran, iran hossein orafai department of pharmaceutics, school of pharmacy, mashhad university of medical sciences, mashhad, iran

objective (s): mucoadhesive disc is one of the various routes of drug delivery for curing buccal disease.materials and methods:everydiscs containing 70 mg stem bark extract of ziziphus jujuba were formulated  by using carbopol 934, pvp k30 and gelatin as polymers. discs were made by granulation  and direct compression. discs were standardized based on the total phenol.  properties such as in vi...

D Patel J Patel J Raval

The purpose of this research was to formulate and systemically evaluate in-vitro and in-vivo performances of mucoadhesive propranolol hydrochloride microspheres for its potential use in the treatment of hypertension, myocardial infraction and cardiac arrhythmias. Propranolol hydrochloride mucoadhesive microspheres, containing carbopol-934P as mucoadhesive polymer and ethyl cellulose as carrier ...

2014
Bahman Khameneh Mahdi Momen-nejad Mohsen Tafaghodi

Objective(s): Drug delivery via mucosal routes has been confirmed to be effective in inducing strong immune responses. Liposomes could enhance immune responses and mucoadhesive potentials, make them useful mucosal drug delivery systems. Coating of liposomes by mucoadhesive polymers succeeded in enhancing immune responses. Our studies aim at preparation and characterization of trimethylchitosan-...

2015
Sandeep Yadav Pramod K. Sharma Narendra K. Goyal Dinesh K. Patel

In the present era, polymers from natural sources become a better alternate for delivery of various kinds of drugs. The compliance and use of polymers obtained from natural origin are increasing day by day in the pharmaceutical industries due to a fewer side effects. Mucilages obtained from natural sources are a better alternative for designing and development of mucoadhesive drug delivery syst...

2016
SANDEEP KUMAR ARUN NANDA

Objective: The objective of this study was to formulate and evaluate sustained release gastro retentive microspheres of furosemide using mucoadhesive polymers. It was expected that gastro retention plus mucoadhesion would contribute to extending the rate of drug release in the acidic medium in vitro, thereby projecting this formulation as a potential candidate for improvement of oral bioavailab...

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