Eudragit L100
Mostrando 1-12 de 25 artigos, teses e dissertações.
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1. STABILITY AND TOXICITY PROFILE OF SOLUTION ENHANCED DISPERSION BY SUPERCRITICAL FLUIDS (SEDS) FORMULATED Andrographis paniculata EXTRACT
Abstract The main objective was to evaluate the stability and toxicity of a Solution Enhanced Dispersion by Supercritical Fluids (SEDS) formulated A. paniculata extract that was intended for food applications. The best formulated SEDS A. paniculata extract with improved dissolution of andrographolide (data not shown) was obtained using 25 mg/mL A. paniculata
Braz. J. Chem. Eng.. Publicado em: 30/09/2019
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2. Influence of different formulation variables on the performance of transdermal drug delivery system containing tizanidine hydrochloride: in vitro and ex vivo evaluations
The present study was aimed at preparation of transdermal patches of tizanidine HCl, evaluation of the effect of polymers on in vitro release pattern of the drug, and the effect of permeation enhancers on the penetration of the drug through the rabbit skin. Various proportions of hydrophilic (HPMC) and hydrophobic (Eudragit L-100) polymers were used with PEG
Braz. J. Pharm. Sci.. Publicado em: 08/04/2019
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3. A pH-responsive drug delivery matrix from an interpolyelectrolyte complex: preparation and pharmacotechnical properties
ABSTRACT Interpolyelectrolyte complexes, which constitute a type of polymeric material obtained through the self-assembly of oppositely charged polymers, exhibit interesting properties for use in the design of smart matrices for drug delivery. In the present study, a stoichiometric interpolyelectrolyte complex (SIPEC) composed of Eudragit E® and Eudragit®
Braz. J. Pharm. Sci.. Publicado em: 26/07/2018
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4. Validated high performance liquid chromatography for simultaneous determination of stability of madecassoside and asiaticoside in film forming polymeric dispersions
ABSTRACT The objective of the work was to validate the high performance liquid chromatography for simultaneous determination of stability of madecassoside and asiaticoside in Centella asiatica (L.) Urb., Apiaceae, extract-loaded film forming polymeric dispersions. High performance liquid chromatography method was validated in five topics: linearity and range
Rev. bras. farmacogn.. Publicado em: 2018-06
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5. Formulation, preparation and in vitro - in vivo evaluation of compression-coated tablets for the colonic-specific release of ketoprofen
ABSTRACT The aim of this study was to formulate and prepare compression-coated tablets for colonic release (CR-tablets), and to evaluate the bioavailability of ketoprofen following the administration of a single dose from mini-tablets with immediate release (IR-tablets) compared to CR-tablets. CR-tablets were prepared based on time-controlled hydroxypropylme
Braz. J. Pharm. Sci.. Publicado em: 05/03/2018
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6. Development and Characterization of Synthetic Chalcones-Loaded Eudragit RS 100 Microparticles for Oral Delivery
Eudragit® RS100 microspheres of two chalcones were prepared by solvent evaporation technique. A simple and rapid high-performance liquid chromatography (HPLC) method was developed and validated to determine the encapsulation efficiency, drug loading and release profiles of these chalcones in a microparticulate system. The mean EE values for the two chalcone
J. Braz. Chem. Soc.. Publicado em: 2017-06
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7. In vitro and in vivo evaluation of nano-based films for buccal delivery of zolpidem
Abstract Insomnia is becoming increasingly prevalent in the world general population. Therapies used by patients include over-the-counter therapies, herbal and dietary supplements, and pharmacological or nonpharmacological treatments. Among these, zolpidem is a pharmacological treatment popularly used for insomnia. Zolpidem is well tolerated and especially e
Braz. oral res.. Publicado em: 28/11/2016
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8. Enteric coated HPMC capsules plugged with 5-FU loaded microsponges: a potential approach for treatment of colon cancer
O trabalho teve como objetivo o desenvolvimento de novas cápsulas com revestimento entérico HPMC (ECHC) conectadas com microesponjas carregadas com fluoruracila (5-FU) em combinação com grânuos de pectinato de cálcio. O método de difusão de solvente modificado quasi-emulsão foi usado para formular microesponjas com base no planejamento fatorial 32 e
Braz. J. Pharm. Sci.. Publicado em: 2015-09
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9. Desenvolvimento e caracterização de nanofibras de acetato de celulose para liberação controlada de fármacos / Development and characterization of cellulose acetate nanofibers for controlled release of drugs
Este projeto foi desenvolvido em duas fases, usando a tecnologia de eletrofiação. A primeira fase foi dedicada a obtenção de membranas eletrofiadas com acetato de celulose, as quais formaram nanofibras que foram carregadas com Sulfato de gentamicina, na segunda fase, para estudos da liberação controlada deste fármaco. Na primeira fase as membranas de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/02/2012
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10. O uso da clavanina A nanoestruturada no controle da sepse polimicrobiana
A resistencia de bacterias infecciosas a antibioticos tem sido considerada um enorme problema mundial. Alguns estudos tem demonstrado a eficiencia de peptideos extraidos de animais marinhos contra bacterias patogenicas humanas. Dentre estes, as clavaninas, peptideos cationicos isolados do tunicado marinho Styela clava, apresentam uma grande atividade bacteri
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/02/2012
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11. Antimicrobial activity assessment of time-dependent release bilayer tablets of amoxicillin trihydrate
O objetivo do presente estudo foi avaliar a atividade antimicrobiana de formulações de comprimidos de dupla camada contendo amoxicilina triidratada para liberação tempo dependente e avaliação da liberação in vitro do fármaco pelo ensaio de atividade antimicrobiana utilizando o método de difusão em placa de ágar. Os comprimidos de dupla camada con
Brazilian Journal of Pharmaceutical Sciences. Publicado em: 2012-06
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12. Incorporação de nanocápsulas contendo capsaicinóides em hidrogel de quitosana destinado ao uso tópico : caracterização das formulações e estudo de liberação in vitro / Incorporation of nanocapsules containing capsaicinoids in chitosan hydrogels intended for topical delivery: characterization and in vitro release study
Objetivos: Desenvolver e caracterizar hidrogéis de quitosana contendo capsaicinóides nanoencapsulados, bem como analisar o efeito das nanocápsulas e do veículo nos perfis de liberação dos capsaicinóides. Metodologia: As nanocápsulas foram obtidas (método de deposição interfacial do polímero préformado) utilizando Eudragit® RS100 e trigliceríde
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2010