نتایج جستجو برای: دارو capsules

تعداد نتایج: 17146  

Journal: :Acta poloniae pharmaceutica 2010
Katerina Dvorácková Miloslava Rabisková Jan Gajdziok David Vetchý Jan Muselík Jurga Bernatoniene Martina Bajerová Pavlína Drottnerová

Coated hard capsules are becoming increasingly important for a number of reasons such as administration of new active ingredients, oral vaccination, colon drug delivery or their use in preclinical and clinical trials. The independency of coating composition on capsules filling is the major advantage of this dosage form. In our study, two types of hard capsules (gelatin and hypromellose) were co...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
Duc-Vinh Le K-H Chiam

The hydrodynamic interaction between two nonspherical capsules suspended in a simple shear flow is studied numerically using a front-tracking method. The capsules are enclosed by thin shells which develop in-plane tensions and bending moments due to a preferred three-dimensional unstressed configuration. Computations are performed for capsules with spherical, oblate spheroidal, and biconcave un...

Journal: :Hospital Pharmacy 2014

Journal: :Phytoprotection 2008

2014
Milica Spasojevic Swapnil Bhujbal Genaro Paredes Bart J de Haan Arend J Schouten Paul de Vos

Alginate-based microcapsules are being proposed for treatment of many types of diseases. A major obstacle however in the successes is that these capsules are having large lab-to-lab variations. To make the process more reproducible, we propose to cover the surface of alginate capsules with diblock polymers that can form polymer brushes. In the present study, we describe the stepwise considerati...

2015

The inactive ingredients contained in propranolol hydrochloride extended-release capsules, USP are ethylcellulose, gelatin, hypromellose, microcrystalline cellulose, sodium lauryl sulfate and titanium dioxide. In addition, propranolol hydrochloride extended-release capsules, USP 60 mg, 120 mg, and 160 mg capsules contain FD&C Blue No. 1. Propranolol hydrochloride extendedrelease capsules, USP a...

Journal: :Advanced drug delivery reviews 2011
Stefaan De Koker Liesbeth J De Cock Pilar Rivera-Gil Wolfgang J Parak Rachel Auzély Velty Chris Vervaet Jean Paul Remon Johan Grooten Bruno G De Geest

Polymeric multilayer capsules have emerged as a novel drug delivery platform. These capsules are fabricated through layer-by-layer sequential deposition of polymers onto a sacrificial core template followed by the decomposition of this core yielding hollow capsules. The resulting nanometer thin membrane is permselective, allowing diffusion of water and ions but excluding larger molecules. Moreo...

2007
ARTI JAIN P. VIJAYARAJ KUMAR N. K. JAIN

Ultra thin multilayer capsules are attractive and stable systems capable of delivering the bioactives. Ultra thin multilayer capsules consist of polyelectrolytic materials that are formed in the presence of a template. This is achieved through layer-by-layer adsorption of oppositely charged macromolecules on to colloidal particles. Upon extraction, the resulting cavities retain affi nity for th...

2014
Veronika Kozlovskaya Jenolyn F. Alexander Yun Wang Thomas Kuncewicz Xuewu Liu Biana Godin Eugenia Kharlampieva

We report on naturally inspired hydrogel capsules with pH-induced transitions from discoids to oblate ellipsoids and their interactions with cells. We integrate characteristics of erythrocytes such as discoidal shape, hollow structure, and elasticity with reversible pH-responsiveness of poly(methacrylic acid) (PMAA) to design a new type of drug delivery carrier to be potentially triggered by ch...

2011
Aaron C. Jackson Jonathan A. Bartelt Paul V. Braun

A self-healing approach for optically transparent thermoplastic polymers, based on plasticizer-induced solvent welding, is reported. For the specifi c system investigated, dibutylphthalate (DBP) fi lled urea-formaldehyde capsules are dispersed in a polymethylmethacrylate (PMMA) matrix. Upon a damage event, DBP is released into the crack, and locally plasticizes and swells the polymer, enabling ...

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