Browsing by Author Maldonado Rodríguez, María Elena

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 20 of 20
5to. Congreso Internacional de Ciencia, Tecnología e Innovación para la Sociedad. Memoria académica
Pérez Gosende, Pablo; Parra Rosero, Pablo; Vázquez Martínez, Andrea; Sumba Nacipucha, Nicolás; Salgado Guerrero, Juan Pablo; Parra Vega, Vicente; Reynoso Meza, Gilberto; Castillo Velázquez, José Ignacio; Huertas Cardozo, José Ignacio; Viloria Ávila, Tony Jesús; Lozada-Venezuela, Mariela Cerrada; Tenorio Moya, Estefany Michelle; Collaguazo, Leidy Andrina; Yumiseba Gobaya, Adelaida Denisse; Vaca Suquillo, Ivonne; Meneses Morillo, Johana; Masache Almeida, Evelin; Ramírez Loaiza, Josué; Cárdenas Villacrés, David Humberto; Alves Ribeiro, Víctor Henrique; Ampuño Avilés, Gary; Zapata, Diego; Gualoto Tipantasig, Paola Elizabeth; Suárez Sarmiento, Álvaro; Méndez Silva, Gabriela Inés; Gutiérrez Salazar, Patricia; Chávez Córdova, Carlos Fernando; Orellana Ordóñez, Mónica Auxiliadora; Álvarez Mendoza, César Iván; Chuquin Balseca, Silvia Lorena; Cahuasqui, Lorena; Herrera, Katherine; Hincapié, Roberto; Acuña Coello, Fausto Vinicio; Pazmiño, Marcela; Xavier Ramírez, Lenin; Macías López, Elsa; Carrera Martínez, Bryan Enrique; Espinoza Chico, Dennise Elizabeth; Simba, Erika; Ulloa Vaca, Carlos Andrés; Vintimilla Sarmiento, Blanca Cumandá; Castillo Pazmiño, Víctor; Ojeda, Isaac Leonardo; Miranda Ramos, Mónica; Alvarado Torres, María Cristina; Guzmán Escalante, John Gregory; Matailo Vélez, Jean Carlos; Barrera Cordero, David Sebastián; Landacay Jaramillo, Cristian Mauricio; Pillajo Angos, Carlos; Márquez Villalba, Edgar; Obando Herrera, Fabio Eduardo; Obando, Carolina; Luna Romero, Santiago Felipe; Bustillos, Janio; Quinsasamin Pillalaza, Santiago David; Velarde Garcés, Esteban Eduardo; Sañaicela Cueva, Jorge Ariel; Pillajo Angos, Carlos; Miranda Orellana, Marcos Enrique; Solís Delgado, Jaime Edison; Campos Sarmiento, Nataly; Gómez Guerrero, Pablo Andrés; Barcia Ayala, Orlando Giovanni; Serpa Andrade, Luis Javier; Uguña, Víctor Hugo; Vintimilla León, Gustavo Fernando; Espadero Bermeo, Mónica; Godoy Ponce, Sofía Carolina; Paltán Zhingre, César; Pinos Pinos, Esteban Fabricio; Fajardo Seminario, Jorge; Cañadas Salazar, Irma Lucia; Sablón Cossío, Neyfe; Ponce Ochoa, Katherine Elizabeth; Lima Juma, Diego Fernando; Alvarado, Gino; Fernández, Gissella; Gordillo, Fátima; Pillajo Angos, Carlos; Beltrán Dávalos, Andrés Agustín; Mosquera Tayupanta, Tatiana; Zúñiga Pacheco, María Marlene; Fernández Palomeque, Efrén; Robles Bykbaev, Vladimir Espartaco; Sánchez, Cristian; Idrovo Rabian, Juan Miguel; Mesa Quezada, Eliana; Barrios Puerto, David; Robles Bykbaev, Vladimir; Huiracocha Vivar, Sandra; Coello, Mateo; Coyago Cruz, Elena del Rocío; Padilla Peralta, Jenny; Zhagñay Narváez, Betty; Lema Sánchez, Lizbeth Carolina; Herrera Carrión, Madison Eduardo; Gárate Montalvo, Danilo Abelardo; Pilco Carrasco, Dennis Javier; Valladares López, Kevin Ismael; Pantoja Vaca, Jefferson Wladimir; Álvarez Triana, Carlos Josué; Calderón Freire, Edison; Ortega Espín, Andrés; Torres Gallegos, Sandino; Quijije Mejía, Pablo Augusto; Escobar Silva, Nelly Jacqueline; Rockwood, Robert; Simbaña Tasintuña, Jessica Geovanna; Miguitama Gonza, José Ricardo; Díaz Heredia, Yolanda Dolores; Reinoso Avecillas, Fran Zhovani; Jara Cobos, Nelson Gustavo; Ushiña Simbaña, Christian Fernando; Chiluisa Utreras, Viviana Pamela; Nieto Londoño, Cesar; Contreras Urgiles, Wilmer; Gallón Londoño, Luciano; Vivar Bravo, Fernando Andrés; Molina Patiño, Belén Anais; Zhindón, Jorge; Calle, Carolina; Godoy Ponce, Sofía Carolina; Portilla, Fredi; Beltrán Dávalos, Andrés Agustín; Yaulema Garcés, Fausto Manolo; León Chimbolema, José Gerardo; Sánchez Robalino, Cristofer Wilson; Páez Fiallos, Ana Lucía; Zea Cobos, Angélica Geovanna; Haro Zúñiga, Julio Andrés; Viloria Ávila, Tony Jesús; Cabrera Ortiz, Jorge Jacinto; Maldonado Rodríguez, María Elena; Letamendi, Fernando; Aguilar Romero, Yasmany; Villacís Tuza, Michael Eduardo; Bermeo Naula, Andrea Karina; Rivera Campoverde, Néstor Diego; Vizhco Sigua, Christian Andrés; Huerta, Mónica; Toapanta Ramos, Luis Fernando; Peñaranda Arcentales, César Augusto; Rivera Campoverde, Néstor Diego; Bermeo Naula, Andrea Karina; Pugo Calle, Kevin Jacinto; Pazmiño, Alexandra Karina; Cadena Calvachi, Daniela Verónica; Nieto Londoño, César; Alviar Malabet, José Domingo; Quitiaquez Sarzosa, William; Pachacama Durán, Edwin Paul; Barcia Ayala, Orlando Giovanni; Coronel Feijó, Manuel Alberto; Sandoval Moreira, María Isabel; Beltrán Sinchiguano, Elena del Rosario; Valdés Silverio, Luis Alberto; Samaniego, Hernán; Pinos Chuya, Brian Josué; Méndez Silva, Gabriela Inés; Soto Pérez, Antonio Alexandre; Guachamín Ushiña, Aida Graciela; Acurio Vásconez, Ramiro Daniel; Lasluisa Naranjo, Héctor Geovanny; Santillán Carranza, Holger (Aug-2019)
El V Congreso Internacional de Ciencia, Tecnología e Innovación para la Sociedad, CITIS 2019, realizado del 6 al 8 de febrero de 2019 y organizado por la Universidad Politécnica Salesiana, ofreció a la comunidad académica nacional e internacional una plataforma de comunicación unificada, dirigida a...
Aislamiento de microorganismos capaces de producir antibióticos, a partir de suelos de las regiones naturales de Ecuador
Egas Rosero, Carla Isabel; Tinajero Carrera, Michelle Elizabeth (Mar-2016) - [Director: Maldonado Rodríguez, María Elena]
Acquired resistance by microorganisms is due to the indiscriminate use of antimicrobials and to the ability to originate mechanisms to adapt to different environments. This problem increases in passing years and research of new antibiotics from natural sources being required, their production...
Aislamiento de microrganismos con la capacidad de biotransformar los ácidos biliares hyodesoxicólico y desoxicólico
Araujo Guayasamín, Misheel Enith; Ruiz Moreno, Andrea Alejandra (Apr-2014) - [Director: Maldonado Rodríguez, María Elena]
This research will seek to find microorganisms capable of biotransform steroid structures for acids and deoxycholic hyodeoxycholic are products Ursodeoxycholic acid synthesis. One major problem presented by the synthesis of ursodeoxycholic acid are industrially pollutants generated, so as to...
Aislamiento de taxones de hongos filamentosos capaces de producir amilasas a partir de tubérculos de uso tradicional en la región andina
Molina Tufiño, Josueth Rafael; Sanmartín Ambuludí, Daniel Migoban (Mar-2016) - [Director: Maldonado Rodríguez, María Elena]
The industry of processing roots and tubers generated large amounts of starch annually, which disposal is inappropriate. Starch biotansformation into simple carbohydrates is one alternative that added value to a substance listed in first instance as waste. The research objective was to...
Análisis de la capacidad de biodegradación de glifosato a partir de microorganismos aislados del suelo
Montaluisa Álvarez, María Belén; Rojas Chávez, Esteban Andrés (Jul-2019) - [Director: Maldonado Rodríguez, María Elena]
En la presente investigación se analizó la capacidad de biodegradación de glifosato a partir de microorganismos aislados de suelo contaminado con el herbicida. Para ello, se aislaron y caracterizaron, tanto macro- como microscópicamente, diez cepas bacterianas degradadoras de glifosato,...
Análisis químico del antibiótico producido por Bacillus megaterium aislado de muestras de suelo, mediante cromatografía y técnicas espectroscópicas.
Guzmán Flor, Diego Alexander (Nov-2018) - [Director: Maldonado Rodríguez, María Elena]
Bacterial resistance is one of the main issues regarding public health worldwide, since most of the existing antibiotics are no longer effective against bacterial diseases. To that end, many microorganisms from different environments have been isolated and subjected under stress conditions to...
Análisis químico mediante técnicas cromatográficas y espectroscópicas del antibiótico producido por los géneros Stenotrophomonas Y Burkholderia aislados de muestras de suelo
Lozada Tonato, Henry Omar (Feb-2018) - [Director: Maldonado Rodríguez, María Elena]
The discovery of new drugs and active chemical structures against pathogenic bacteria has been achieved from the study of the secondary metabolism of microorganisms produced in controlled conditions, incubating in a liquid culture medium in these conditions bacterial strains capable of inhibiting...
Caracterización de microorganismos con actividad antimicrobiana provenientes de suelos de los cantones Quito y Rumiñahui
Bastidas Cevallos, Yomaira Elizabeth; Vaca Viracucha, Josselyn Karina (Sep-2018) - [Director: Maldonado Rodríguez, María Elena]
Currently, antibiotic resistance worldwide is a serious problem that worsens every day, which is why the pharmaceutical, biotechnology and health industries are destined to provide solutions to this problem, for which they have joined forces to create new antibiotics obtained from natural...
Elaboración de una crema nutritiva facial a base de la pulpa de Chirimoya (Annona cherimola, Annonaceae) -- Universidad Politécnica Salesiana, Unidad de Postgrado ; abril 2015
Cobos Yanez, Diana Beatriz (Apr-2015) - [Director: Maldonado Rodríguez, María Elena]
The present study has for aim evaluate the cosmetic efficiency of a cream elaborated based on flesh of cherimoya (Annonna cherimola) since it agrees with the reports in the bibliography offers an excellent alternative to be used in the cosmetic industry for possessing big quantities of present...
Estudio comparativo de la eficiencia antibacteriana de una mezcla de parabenos frente al aceite de romero (Rosmarinus officinalis Lamiaceae) utilizados como conservantes en una formulación cosmética.
Mosquera Tayupanta, Tatiana de los Ángeles (Mar-2014) - [Director: Maldonado Rodríguez, María Elena]
Cosmetic represent a developing market. Whereas all need cosmetic preservatives, ingredients capable of controlling the microbial load to acceptable levels during the period of use of the product and within lifetime. The investigation of ingredients that can fulfill this role is interesting, much...
Estudio de las propiedades físicas, químicas y antimicrobianas de cinco mieles de abeja (Apis mellifera L.) comercializadas en la provincia de Pichincha
Argüello Bravo, Augusta Natali; Banda Córdova, Vanesa Alexandra (Dec-2016) - [Director: Maldonado Rodríguez, María Elena]
Bee honey is a product used by man for many years as a source of food for its nutritional or medicinal purposes, for treatments of some diseases because it has beneficial properties as anti-inflammatory and healing; The objective of our investigation is to determine the physical, chemical and...
Estudio de las propiedades físico-químicas y biológicas en cinco mieles de abeja (Apis mellifera. L.) distribuidas en la red de supermercados del Distrito Metropolitano de Quito
Álvarez Mesías, Johanna Patricia; Sánchez Casamen, Estefanía Raquel (Dec-2016) - [Director: Maldonado Rodríguez, María Elena]
This research work shows the studies physicochemical and biological properties of five samples of honey bee (Apis mellifera. L.) they are regularly sold in the Quito´s supermarkets in order to show its wide applications in both industry food in the field of medicine, as well as compliance...
Estudio químico y evaluación de la actividad antimicrobiana del aceite esencial de Myrcianthes rophaloides Mc Vaugh
Maldonado Rodríguez, María Elena (Nov-2006) - [Director: Dacarro, Cessare]
The study of the chemical composition of the essential oil of Mircianthes rhopaloides McVaugh, Myrtaceae family, carried out by means of the technique of gas-chromatography coupled to mass-spectometer, allowed to identify that the essential oil contains a mixture of the following component main...
Evaluación de la capacidad de biotransformación de la sal sódica del ácido desoxicólico por actinomicetos.
Beltrán Ortiz, Jessica Alexandra (Mar-2015) - [Director: Maldonado Rodríguez, María Elena]
Actinomycetes are ubiquitous microorganisms in the soil, stagnant water, contaminated environments, etc. They are considered in the borderline between bacteria and fungi by their morphological and reproductive characteristics very similar to both groups of microorganisms. They are usually...
Evaluación de la capacidad de biotransformación de la sal sódica del ácido hyodesoxicólico por parte de actinomycetos aislados de muestras de suelos de las provincias de Pichincha y Morona Santiago.
Espinel Alvarez, Sebastián Francisco (Mar-2016) - [Director: Maldonado Rodríguez, María Elena]
Actinomycetes are the second most abundant group of microorganisms found in: soil, stagnant water, contaminated environments, etc. They are considered within the boundary between bacteria and fungus, they have characteristics, morphological and reproductive very similar to the two groups of...
Evaluación de la capacidad de biotransformación de las sales de ácidos biliares: colato y dehidrocolato de sodio, por microorganismos aislados en dos camales de la sierra ecuatoriana
Daza Vélez, Andrés Fernando; Pineda Chávez, Juan Carlos (Apr-2014) - [Director: Maldonado Rodríguez, María Elena]
This research intends to find microorganisms capable of biotransform the bile acids salts: cholate and sodium dehydrocholate, which are residues generated during the chemical synthesis out of the ursodeoxycholic acid. Against this, this investigation was able to evaluate the capacity of using...
Evaluación de la capacidad de biotransformar la sal sódica del ácido cólico por actinomicetos.
Calvachi Echeverría, Michelle Nathaly (Apr-2016) - [Director: Maldonado Rodríguez, María Elena]
Actinomycetes are microorganisms that they found in the limit between fungi and bacteria, they being generally Gram positive and Gram negative. They are usually distributed in nature, especially in soil, and water. The research found actinomycetes able to biotransform the sodium salt of cholic...
Evaluación de la eficacia del aceite esencial de Curcuma longa L. como conservante en una formulación cosmética orgánica
Vega Picón, María Agusta (Feb-2015) - [Director: Maldonado Rodríguez, María Elena]
The current trend in cosmetics is to offer natural and organic cosmetics that are friendly to the environment. The cosmetics industry should respond to this demand by developing raw materials to be accordance with this new preference, within these, the remarkable use of preservatives, whose main...
Identificación de microorganismos de suelos de la provincia de Pichincha, con capacidad de producir antibióticos de amplio espectro.
Núñez Reinoso, José Alejandro; Sierra Arias, César David (Feb-2018) - [Director: Maldonado Rodríguez, María Elena]
The microorganisms have acquired resistance to various antibiotic substances due to their ability to generate different adaptation mechanisms in stress conditions due to the misuse of antimicrobial substances. Resistance to these substances has increased throughout the world, causing very high...
Implementación de un programa de buenas prácticas de manufactura en el centro de acopio y transformación de la Fundación Chankuap de la ciudad de Macas-Morona Santiago.
Chávez Caravajal, Patricia Alexandra; Espinosa García, María Daniela (Dec-2011) - [Director: Maldonado Rodríguez, María Elena]
En la actualidad las empresas son más competitivas, enfrentan nuevos mercados y los consumidores exigen cada vez más atributos de calidad en los productos que adquieren, siendo una característica esencial e implícita la inocuidad (Ramírez, I., 2011). La Fundación Chankuap es una Organización No...