Browsing by Title Artículos de revistas

Now showing items 2723-2742 of 2801

    • Use of Pyrogallol Red and Pyranine as Probes to Evaluate Antioxidant Capacities towards Hypochlorite 
      Pérez Cruz, Fernanda; Cortés, Constanza J.; Atala, Elías; Bohle, Pamela; Valenzuela, Francisco; Olea Azar, Claudio; Speisky Cosoy, Hernán; Aspée, Alexis; Lissi Gervaso, Eduardo A.; López Alarcón, Camilo; Bridi, Raquel (2013)
      Hypochlorite is a strong oxidant able to induce deleterious effects in biological systems. The goal of this work was to investigate the use of PGR and PYR as probes in assays aimed at evaluating antioxidant activities ...
    • Use of SEBS/EPR and SBR/EPR as binary compatibilizers for PE/PP/PS/HIPS blends: A work oriented to the ... 
      Equiza, Nilton; Yave, W.; Quijada Abarca, Juan; Yazdani-Pedram Zobeiri, Mehrdad (WILEY-V C H VERLAG GMBH, 2007-09-14)
      Recycling of thermoplastic wastes consisting using SEBS/EPR and SBR/EPR as compatibilizers. The effect of PE/PP/PS/HIPS blends was investigated by The effect of the binary compatibilizer systems and processing conditions ...
    • Use of SEBS/EPR and SBR/EPR as binary compatibilizers for PE/PP/PS/HIPS blends: A work oriented to the ... 
      Equiza, Nilton; Yave, W.; Quijada Abarca, Juan; Yazdani-Pedram Zobeiri, Mehrdad (WILEY-V C H VERLAG GMBH, 2007-12-11)
      Correction
    • Use of sequential extraction to assess the influence of sewage sludge amendment on metal mobility in Chilean soils 
      Ahumada Torres, Aída Inés de Lourdes; Escudero, Paula; Carrasco Rimassa, María Adriana; Castillo, Gabriela; Ascar Estay, María Loreto; Fuentes Pérez, Edwar (ROYAL SOC CHEMISTRY, 2004)
      In Chile, the increasing number of plants for the treatment of wastewater has brought about an increase in the generation of sludge. One way of sludge disposal is its application on land; this, however involves some problems, ...
    • Use of the Oxygen Radical Absorbance Capacity (ORAC) Assay to Predict the Capacity of Mango (Mangifera ... 
      Dorta, Eva; Rodríguez Rodríguez, Elena; Jiménez-Quezada, Andrés; Fuentes-Lemus, Eduardo; Speisky Cosoy, Hernán; Lissi Gervaso, Eduardo; López Alarcón, Camilo (Springer New York LLC, 2017)
      The potential activity of mango by-products to inhibit the peroxyl radical-mediated oxidation of tryptophan residues (Trp) of myofibrillar proteins (MP) was studied. Extracts of seeds, peels and pulps were studied in terms ...
    • Use of titanium dioxide nanoparticles biosynthesized by Bacillus mycoides in quantum dot sensitized solar cells 
      Órdenes Aenishanslins, Nicolás Alexis; Saona, Luis Alberto; Durán Toro, Vicente María; Monrás, Juan Pablo; Bravo Rodríguez, Denisse; Pérez Donoso, José (BioMed Central, 2014)
      Background: One of the major challenges of nanotechnology during the last decade has been the development of new procedures to synthesize nanoparticles. In this context, biosynthetic methods have taken hold since they are ...
    • Using an Interactive CD-ROM to Teach Pharmacy Students Unit Operations 
      Tapia, Cristián; Basualto, Carlos; Sapag Hagar, Jaime; Valenzuela Lozano, Fernando; Muller, Mauricio; Zunino, GianFranco (2004)
      This article describes the basis and development of the solid dosage form section of an educational CD-ROM, including both the theoretical and self-evaluation sections.
    • Using laurdan and spectral phasor analysis to study erythrocytes membrane solubilization 
      Sánchez, Susana A.; Herlax, Vanesa; Lillo, M. Pilar; Sandoval, Catalina; Aguilar, Joao; Günther Sapunar, Germán (Cell Press, 2018)
    • Utilización y manejo de un impactador de cascada Andersen en el estudio de los aerosoles Atmosféricos 
      Ortíz, Jorge; Préndez Bolívar, María Margarita; Solezzi, Santiago (Universidad Austral de Chile. Instituto de Ecología y Evolución, 1986)
      In this work the utilization of an Andersen cascade impactor for the study of atmospheric aerosols is analyzed. The impactor is run at 4.7 cfm during 24 h, fractionating the particulate matter into five sizes, from 2.84 ...
    • Vaccines against components of the renin-angiotensin system 
      Garay Gutiérrez, Noé Francisco; Hernández Fuentes, Carolina; García Rivas, Gerardo; Lavandero González, Sergio; Guerrero Beltrán, Carlos Enrique (Springer, 2020)
      Even though effective drugs for treating hypertension are available, a great percentage of patients have inadequate control of their blood pressure. Unwanted side effects and inappropriate oral drug adherence are important ...
    • Vacuum frying reduces oil uptake and improves the quality parameters of carrot crisps 
      Dueik, V.; Robert Canales, Paz; Bouchon, P. (ELSEVIER, 2010)
      Recent consumer trends towards healthier and low fat products have had a significant impact on the snack industry. The objective of this study was to examine the most important quality parameters of vacuum and atmospheric ...
    • Validated HPLC method for the determination of ranitidine in plasma 
      Castro, A.; Arancibia, Aquiles; Romero, P.; Gai, María Nella (GOVI-VERLAG GMBH, 2003-10)
      A validated HPLC method for the determination of ranitidine in human plasma is presented. Sulfanilamide as internal standard (IS) was used. Plasma samples were purified by solid phase extraction (SPE) using a copolymeric ...
    • Validation of a UV spectrophotometric method for the determination of melatonine in solid dosage forms 
      Pérez, Renato F.; Lemus Gutiérrez, Igor; Bocic Vildósola, Ronny; Pérez, Mauricio; García, R. (AOAC INTERNATIONAL, 2001-09)
      The aim of the work described in this paper was to provide a fast, easy, inexpensive, precise, and accurate method for the determination of melatonine in solid pharmaceutical dosage forms. The developed method is based on ...
    • Valor nutritivo del alfilerillo (Erodiums) 
      Pennacchiotti Monti, Irma; Vargas U., Marta; Caballero D., Hernán (Chile. Ministerio de Agricultura. Instituto de Investigaciones Veterinarias, 1951)
      Con este trabajo se ha dado comienzo al estudio de nuestros forrajes de secano, en lo que respecta a sus cualidades nutritivas. Se ha escogido el Alfilerillo por ser este uno de los recursos alimenticios mas antiguos de ...
    • Valoración de azufre y iodo en alfalfa y heno de alfalfa 
      Pennacchiotti Monti, Irma; Vargas U., Marta; Gazmuri P., Gabriela (Chile. Ministerio de Agricultura, Instituto de Investigaciones Veterinarias, 1953)
      Es de vital importancia para la nutrición animal, conocer el contenido de azufre y iodo en la alfalfa común (Medicago sativa), por ser este forraje uno de los más ricos en principios nutritivos y elementos minerales, y ...
    • Valoración espectrofotométrica de la vitamina C en alfalfa y trébol y de carotenos en trébol 
      Pennacchiotti Monti, Irma; Yanssens Gutiérrez, Gabriela (Chile, Instituto de Investigaciones Agropecuarias, 1953)
      El presente trabajo tiene por objeto estudiar el contenido en vitamina C en Alfalfa verde, Heno de alfalfa y Trébol y además Caroteno en Trébol, empleándose el método espectrofotométrico, por presentar este mayores ventajas ...
    • Valoración fluorimétrica del contenido de tiamina en avena, cebada y maíz 
      Pennacchiotti Monti, Irma; Alarcón, César; Vargas U., Marta; Ahumada L., Eugenia (Chile, Instituto de Investigaciones Agropecuarias, 1953)
      El presente trabajo ha sido motivado por la importancia que tiene que llevar al conocimineto del contenido vitamínico de algunos cereales cultivados en el país, que sirven de base a la alimentación animal. Las determinaciones ...
    • Valoración microbiológica de riboflavina en alfalfa y heno de alfalfa 
      Pennacchiotti Monti, Irma; Vargas U., Marta; Flores del F., Carlos; Urba M., Rosa (Chile, Ministerio de Agricultura - Instituto de Investigaciones Veterinarias, 1952)
      De los diferentes métodos que se emplean para la valoración de la riboflavina en productos alimenticios, se distinguen tres por sus resultados mas homogéneos y satisfactorios: el fluorimétrico, el microbiológico y el animal ...
    • Variable-temperature solid-state N-15 cross-polarization magic-angle spinning nuclear magnetic resonance ... 
      Fernández, C. O.; Kogan Bocian, Marcelo; Valasinas, A.; Frydman, B. (AMER CHEMICAL SOC, 1998-07-10)
    • Variantes genéticas de los receptores adrenérgicos y enfermedades cardiovasculares 
      Díaz Araya, Guillermo; Chiong Lay, Mario; Moraga, Francisco; Castro Agüero, Pablo; Pérez, Osvaldo; Vukasovic Ramírez, José Luis; Nazzal Nazal, Carolina; Padilla, Ivonne; Corbalán, Ramón; Moreno, Mauricio; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2001)
      El proyecto Genoma Humano ha logrado descifrar la secuencia completa del genoma, aportando una herramienta única para el estudio de la genética humana. Sin embargo, se ha observado cada vez más frecuentemente la aparición ...