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Combined use of DSC, TGA, XDR and NIR in the compatibility study of preformulation mixtures for the development of 10 mg tablets of Rupatadine Fumarate 

Castillo Henríquez, Luis; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo (2018)
It is essential to guarantee physico-chemical compatibility between the active pharmaceutical ingredient (API) and the components that are planned to be used in the development of a pharmaceutical formulation. A successful ...
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Physicochemical characterization of therapeutic peloids from the surroundings of Costa Rica Arenal Volcano 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Ramírez Arguedas, Nils Antonio (2015)
Costa Rica is a volcanic country, containing a variety of peloids with different physicochemical properties; also its main source of income is the tourism. Most of their abundant natural resources have not been characterized ...
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Determination of the Impact Caused by Direct Compression on the Crystalline State of Rupatadine Fumarate 10 mg Tablets 

Castillo Henríquez, Luis; Vargas Zúñiga, Rolando; Madrigal Redondo, German; Carazo Berrocal, Gustavo; Hanley Vargas, Georgia (2019-11-08)
The aim of this study is to determine the impact caused by direct compression on the crystalline state of two prototypes of Rupatadine fumarate 10 mg tablets. The tablets were manufactured through direct compression. ...
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Design of Experiments for the Establishment of the Dissolution Test Conditions of Rupatadine Fumarate 10 mg tablets 

Castillo Henríquez, Luis; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo (2019)
Design of Experiments (DoE) is a statistical model that aims to determine if the factors under study affect the response, and if so, it determines the conditions under which this variable of interest can be optimized. In ...
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Physicochemical Characterization of a Liposomal Formulation Based on Glucosamine and Vitamin D, Commercialized as a Nutritional Supplement 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2018)
In the last years, the transport and release mechanism of bioactive compounds has been studied. The liposomes are multivesicular systems that enhance the absorption, stability, and transport of these compounds. The ...
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Quality control performed on liposomal formulations based on guarana extract, vitamins a, c, e, b1, b2, b5, b6, b12, biotin and folic acid, used as nutritional products 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2017)
The study of has increased in the last decades. One of the mechanisms that has acquired great relevance is to formulate using liposomal vesicles. Liposomes are structures that enh and transport of active compounds, which ...
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Identification of rupatadine fumarate polymorphic crystalline forms in pharmaceutical raw materials 

Castillo Henríquez, Luis; Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo (2018)
Polymorphism analysis of pharmaceutical raw materials is considered one of the most relevant evaluations that should be done. As we know, different crystal forms from the same molecule have differences in terms of their ...

Multi-vesicular phosphatidylcholine liposomes as vehicles for curcumin in a nutritious drinkable formulation 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Chavarría Rojas, Marianela; Sibaja Rodríguez, Santiago; Chaves Noguera, Sindy (2017)
Liposomal vesicles are used as a strategy to enhance the stability and bioavailability of its bioactive components. Large part of its characteristics can be attributed to the likeness between the liposomal and biological ...
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Rubus adenotrichus fruit extracts phytochemical characterization and antioxidant power evaluation for dermocosmetic formulations 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Ramírez Arguedas, Nils Antonio; Fonseca González, Lidiette; Campos Fernández, Jorge Alberto (2017)
There are more than 700 species of the genus Rubus, popularly known as Mora (tropical highland blackberry). In Costa Rica, the species Rubus adenotrichus has been characterized by its high content of antioxidant substances, ...
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Phytochemical characterization of extracts of the mesocarp of Bactris gasipaes and evaluation of its antioxidant power for pharmaceutical dermal formulations 

Madrigal Redondo, German; Vargas Zúñiga, Rolando; Carazo Berrocal, Gustavo; Ramírez Arguedas, Nils Antonio; Baltodano Viales, Eleaneth; Blanco Barrantes, Jeimy; Porras Navarro, Marta (2019)
The Bactris gasipaes is a native palm from Central America which its fruit is known as pejibaye, its wood is also used for the manufacture of various utensils, the marrow of its tender stems is edible and it is called ...
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Vargas Zúñiga, Rolando (23)
Madrigal Redondo, German (22)Carazo Berrocal, Gustavo (14)Ramírez Arguedas, Nils Antonio (12)Castillo Henríquez, Luis (6)Baltodano Viales, Eleaneth (4)Chavarría Rojas, Marianela (3)Chaves Noguera, Sindy (3)Sibaja Rodríguez, Santiago (3)Fonseca González, Lidiette (2)... View MoreTypeartículo científico (23)ProcedenceVicerrectoría de Investigación (22)Vicerrectoría de Docencia (9)... View MoreHas File(s)Yes (23)

  • Repositorios universitarios

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Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.