In this study, a novel emulsion diffusion method was used to prepare enteric Eudragit L nanoparticles by ultrasonic dispersion and. Opadry Enteric (Lbased) Coating System. Polymer: Methacrylic acid copolymer Type C, NF. Eudragit L, Evonik Industries. ChromaTeric . A matrix comprising of Eudragit L, an enteric polymer was deposited on the inner surfaces of ragweed pollens to protect the encapsulated protein from.

Author: Jujora Shagami
Country: Namibia
Language: English (Spanish)
Genre: Literature
Published (Last): 25 December 2014
Pages: 263
PDF File Size: 12.10 Mb
ePub File Size: 12.38 Mb
ISBN: 125-1-22770-869-8
Downloads: 35677
Price: Free* [*Free Regsitration Required]
Uploader: Arashimuro

The process involved dissolution of naproxen and Eudragit L in alcohol USP followed by the addition of an aqueous solution containing a surfactant and deaggregating agents.

Evonik EUDRAGIT® L Copolymer

Epub Nov Drug Dev Eudrxgit Pharm Apr;36 4: Limited information on thermally cured dry-powder coatings used for solid dosage forms has been available in the literature. The aim was to investigate the effects of the permeability of the polymers eudragitt drug release rates and the characteristics of the microspheres.

The immobilized thiol groups were preactivated by disulfide bond formation with 2-mercaptonicotinic acid. The binding ratio of a unit molecule of EL with EE was found to be approximately 1: Obstetrics and Gynecology Or if you don’t have an account with us yet, then click here to register. The processing parameters for HME have been evaluated and the impact eudrwgit solid state intermolecular drug-polymer interactions on supersaturation has been investigated. We appreciate your input. Questions or comments about MatWeb?


The physical and chemical properties of propranolol hydrochloride and anionic polymer complex were investigated using Fourier transform infrared spectroscopy FTIR and differential scanning calorimetry DSC. Click here to view all the property values for this datasheet as they were originally entered into MatWeb. To achieve these aims, yield, incorporation efficiency, particle size and the distribution of microspheres were determined, and the influence of the inner phase viscosities prepared with different polymer and polymer mixtures on particle size and the distribution of microspheres were evaluated.

Int J Pharm Oct 15; 1: Yakugaku Zasshi Jun; 6: The DSC profiles demonstrated that the characteristic peak of propranolol hydrochloride cannot be found in the heating curve of the complexes, indicating that complex is different in physicochemical properties from the physical mixture of drug-polymer.

Eudragit L Publications | PubFacts

Acrylates Copolymer Information provided by Evonik Vendors: Epub Mar Floating and sustained-release characteristics of effervescent tablets prepared with a mixed matrix of Eudragit L and Eudragit E PO. Eur J Pharm Eudragir Jul;52 1: A weakly basic compound from Johnson and Johnson Pharmaceutical Research and Development was used as a model compound. It is a solid substance in form of a white powder with a faint characteristic odour.

Influence of aqueous coatings on the stability of enteric coated pellets and tablets. Curr Drug Deliv Apr;6 2: Mol Pharm Jul 10;12 7: Epub Jun The aim of the study was to investigate the properties of sodium valproate tablets that were dry powder-coated with pre-plasticized Eudragit L The aim of this study was to develop a dry powder coating process for chlorpheniramine maleate CPM tablets using Eudragit L as the delayed release polymer.


Factorial design was used to evaluate the effect of three formulation factors: Poly methacylic acid-co-ethyl acrylate 1: In their previous publications the authors rendered account of preparation and stability test eudravit products containing controlled release nitrofurantoin in circumstances of preparing and storing.

Search Our Scientific Publications & Authors

To investigate the use of Carbopol P as a stabilizing agent for supersaturated levels of itraconazole ITZ in neutral pH aqueous media and the resultant effects on oral absorption of ITZ. Absorptions of active principle and coated pharmacon have been determined by means of Sartorius Membrane transport tester. Drug Dev Ind Pharm Jan;28 1: J Pharm Sci Mar 27; 3: Epub Mar 7. eeudragit

There is a general increase in fiber diameter with drug loading. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. K Thoma K Bechtold. Dorothea Sauer James McGinity. Theophylline pellets were coated with aqueous colloidal dispersions of Eudragit RS 30D containing various amounts of Eurdagit L Hygroscopicity, flow property and disintegration time were improved significantly euvragit to the adsorption and granulation processes.

Drug Dev Ind Pharm Mar;28 3: Further trials included the incorporation of plasticizer triethyl citrate and combinations of other polymers with Eudragit S