نتایج جستجو برای: microencapsulation

تعداد نتایج: 1395  

2010
Jelena Milanovic Verica Manojlovic Steva Levic Nevenka Rajic Viktor Nedovic Branko Bugarski

The subject of this study is the development of flavor wax formulations aimed for food and feed products. The melt dispersion technique was applied for the encapsulation of ethyl vanillin in wax microcapsules. The surface morphology of microparticles was investigated using scanning electron microscope (SEM), while the loading content was determined by HPLC measurements. This study shows that th...

Journal: :Journal of microencapsulation 2015
Núria Carreras Cristina Alonso Meritxell Martí Manel J Lis

Skin drug delivery can be subdivided into topical and transdermal administration. Transdermal administration can take advantage of chemical and physical strategies that can improve skin permeability and allow drug penetration. In this study, the development of a skin penetration profile was carried out by an in vitro technique for a microencapsulated system of ibuprofen. Release experiments wer...

Journal: :Journal of controlled release : official journal of the Controlled Release Society 2005
Sergio Freitas Hans P Merkle Bruno Gander

The therapeutic benefit of microencapsulated drugs and vaccines brought forth the need to prepare such particles in larger quantities and in sufficient quality suitable for clinical trials and commercialisation. Very commonly, microencapsulation processes are based on the principle of so-called "solvent extraction/evaporation". While initial lab-scale experiments are frequently performed in sim...

Journal: :Trends in biotechnology 2004
Gorka Orive Rose Maria Hernández Alicia Rodríguez Gascón Riccardo Calafiore Thomas Ming Swi Chang Paul de Vos Gonzalo Hortelano David Hunkeler Igor Lacík José Luis Pedraz

Cell microencapsulation continues to hold significant promise for biotechnology and medicine. The controlled, and continuous, delivery of therapeutic products to the host by immunoisolated cells is a potentially cost-effective method to treat a wide range of diseases. Although there are several issues that need to be addressed, including capsule manufacture, properties and performance, in the p...

Journal: :Biological & pharmaceutical bulletin 2008
Gloria Romina Ross Carlos Gusils Silvia Nelina Gonzalez

Probiotics are live microorganisms which have health-promoting attributes. These bacteria must overcome biological barriers, including acid in the stomach and bile in the intestine to exert beneficial effects. The encapsulation consists in a provision of an outer layer to protect the core material from damage. Microencapsulating in calcium alginate, nowadays, is being used to bacteria immobiliz...

Journal: :Micro 2022

Thermal energy storage (TES) has been identified by many researchers as one of the cost-effective solutions for not only storing excess or/wasted energy, but also improving systems’ reliability and thermal efficiency. Among TES, phase change materials (PCMs) are gaining more attention due to their ability store a reasonably large quantity heat within small temperature differences. Encapsulation...

Journal: :Advances in Food Science, Sustainable Agriculture, and Agroindustrial Engineering 2022

Nutmeg essential oil (Myristica fragrans) is susceptible to deterioration and chemically unstable when exposed the environment, resulting in a loss of bioactive compounds development off-flavors. Microencapsulation then used enhance shelf stability nutritional value. This study aimed attempt nutmeg encapsulation, utilizing spray drying technique by analyzing effect emulsion parameters. An array...

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