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    Selección de un sistema de atomización para la formación de micropartículas de Eudragit® S100 en lecho fluido

    Selecting a spray system for the formation of Eudragit ® S100 microparticles in a fluid bed

    Selecting a spray system for the formation of Eudragit ® S100 microparticles in a fluid bed

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    Author
    Camacho Kurmen, Judith Elena
    Gómez, Martha Isabel
    Villamizar, Laura Fernanda
    Publisher
    Universidad Colegio Mayor de Cundinamarca

    Citación

           
    TY - GEN T1 - Selecting a spray system for the formation of Eudragit ® S100 microparticles in a fluid bed T1 - Selección de un sistema de atomización para la formación de micropartículas de Eudragit® S100 en lecho fluido AU - Camacho Kurmen, Judith Elena AU - Gómez, Martha Isabel AU - Villamizar, Laura Fernanda UR - https://repository.unad.edu.co/handle/10596/29801 PB - Universidad Colegio Mayor de Cundinamarca AB - ER - @misc{10596_29801, author = {Camacho Kurmen Judith Elena and Gómez Martha Isabel and Villamizar Laura Fernanda}, title = {Selecting a spray system for the formation of Eudragit ® S100 microparticles in a fluid bedSelección de un sistema de atomización para la formación de micropartículas de Eudragit® S100 en lecho fluido}, year = {}, abstract = {}, url = {https://repository.unad.edu.co/handle/10596/29801} }RT Generic T1 Selecting a spray system for the formation of Eudragit ® S100 microparticles in a fluid bed T1 Selección de un sistema de atomización para la formación de micropartículas de Eudragit® S100 en lecho fluido A1 Camacho Kurmen, Judith Elena A1 Gómez, Martha Isabel A1 Villamizar, Laura Fernanda LK https://repository.unad.edu.co/handle/10596/29801 PB Universidad Colegio Mayor de Cundinamarca AB OL Spanish (121)
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    Abstract
    La elaboración de micropartículas en lecho fluido es de gran interés en la industria farmacéutica, alimentaria y agrícola, ya que este tipo de formulación permite controlar la liberación de ingredientes activos y su estabilidad y funcionalidad mediante la formación de pequeñas partículas sólidas. El lecho fluido es el equipo comúnmente usado en la industria para realizar el proceso y éste puede tener dos sistemas de atomización: superior (Top spray) e inferior (Bottom spray). En este trabajo se evaluaron los dos sistemas de atomización con miras a la formación de micropartículas de Eudragit® S100.Se realizaron experimentos para ajustar los factores críticos del proceso y los niveles de éstos utilizando un diseño factorial multinivel y trabajando en un lecho fluido marca Glatt GmbH D – 01277. Los factores evaluados fueron la temperatura de entrada, la presión interna de la cámara y la velocidad de flujo. El material de recubrimiento consistió en un polímero del ácido metacrílico denominado Eudragit® S100 y como núcleo se empleó talco malla 325. El sistema seleccionado para la microencapsulación fue el de atomización superior (Top spray). Las condiciones de atomización establecidas fueron velocidad de flujo de 4,12 mL/min (flujo 8 rpm), temperatura de entrada de80ºC y presión interna de la cámara de 1 y 3 bares. Las micropartículas presentaron formas y tamaños homogéneos, menores de 100 μm.Las condiciones fijadas para el sistema de atomizaciónsuperior se pueden aplicar al desarrollo de procesos de microencapsulación de diferentes principios activos utilizando como polímero Eudragit® S100.
     
    The development of microparticles in fluid bed is of high interest in the pharmaceutical, food and agriculture, as this type of formulation to control the release of active ingredients and their stability and functionality by the formation of small solid particles. The fluid bed equipment is commonly used in industry to carry out the process and this can have two sets of spray drying: top spray and bottom spray. In this study we evaluated the two sets of spray drying towards the formation of microparticles of Eudragit®S100. Experiments were conducted toad just the itical process factors and theirevelsusingamultilevel factorial designand working in a Glattfluid bedbrandGmbHD-01277. Factors evaluated were the inlet temperature, the pressure inside he chamber and the flow rate.The coating material consisted of a methacrylicacid polymer known asEudragit® S100andcore325 meshpowderwasused. The system selected for the microencapsulation was top spray. The spray dryingconditions were set flow rate of4.12 mL/min (flow 8 rpm), inlet temperature of 80ºC and pressure inside the chamber 1 and 3 bars.The microparticles showed homogeneous shapes and sizes, less than 100 microns. The conditions set for the top spray system can be applied to the development of microencapsulation processes of different active ingredients using as polymer Eudragit® S100.
     
     
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    http://hemeroteca.unad.edu.co/index.php/nova/article/view/442/1115
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G, Dewettinck K. 2009. Modelling heat and mass transfer in batch, top-spray fluidised bed coating processes. Powder Technology 190: 170–175 13. Mafadi S, Hayert M, Poncelet D. 2003. Fluidization Control in the Wurster Coating Process. Chem. Ind. 57: 641-644) 14. Fitzpatrick S, Ding Y, Seiler Ch, Lovegrove C, Booth S, Forster R, Parker R, Jonathan S. 2003.Positron Emission Particle Tracking Studies of a Wurster Process for Coating Applications.Pharmaceutical Technology 70-78. 15. Glatt. com http://www.glatt.com/e/01_tecnologien/01_04_09.htm (consulta septiembre del 2010) 16. Cheow W, Li S, Hadinoto K. 2010.Spray drying formulation of hollow spherical aggregates of silicananoparticles by experimental design chemical engineering research and design 88: 673–685 17. Kho K, Hadinoto K. 2010a. Effects of excipient formulation on the morphology and aqueous re dispersibility of dry-powder silica nanoaggregates Colloids and Surfaces A. Physicochem. Eng. Aspects 359: 71–81 18. 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    https://repository.unad.edu.co/handle/10596/29801
    URL source
    http://hemeroteca.unad.edu.co/index.php/nova/article/view/442
    http://dx.doi.org/10.22490/24629448.442
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