Browsing by Title Artículos de revistas

Now showing items 2017-2036 of 2801

    • Protective effect of red algae (Rhodophyta) extracts on essential dietary components of heat-treated salmon 
      Ortiz Viedma, Jaime Alejandro; Aguilera, José M.; Flores, Marcos; Lemus Mondaca, Roberto Alejandro; Larrazabal Fuentes, María José; Miranda, José M.; Aubourg Martin, Santiago Pedro (MDPI, 2021)
      Salmon paste contains nutritious components such as essential fatty acids (EPA, DHA), vitamin E and astaxanthin, which can be protected with the addition of red algae extracts. Phenolic extracts were prepared with an ...
    • Protective effects of a standard extract of Mangifera indica L. (VIMANG (R)) against mouse ear edemas and ... 
      Garrido, Gabino; González, D.; Lemus, Yeny; Delporte Vergara, Carla; Delgado, René (ELSEVIER, 2006-06)
      A standard aqueous extract of Mangifera indica L., used in Cuba as antioxidant under the brand name VIMAN (R), was tested in vivo for its anti-inflammatory activity, using commonly accepted assays. The standard extract of ...
    • Protective effects of a standard extract of Mangifera indica L. (VIMANG®) against mouse ear edemas and its ... 
      Garrido, G.; González, D.; Lemus, Y.; Delporte, C.; Delgado, R. (2006)
      A standard aqueous extract of Mangifera indica L., used in Cuba as antioxidant under the brand name VIMANG®, was tested in vivo for its anti-inflammatory activity, using commonly accepted assays. The standard extract of ...
    • Protein-coated nanoparticles embedded in films as delivery platforms 
      Morales, Javier O.; Ross, Alistair C.; McConville, Jason T. (Royal Pharmaceutical Society, 2013)
      Objectives This work aimed to evaluate the performance of nanoparticle-loaded films based on matrices of polymethacrylates and hydroxypropylmethylcellulose (HPMC) intended for delivery of macromolecules. Methods Lysozyme ...
    • Proteogenomic analysis in an early onset diffuse gastric cancer patient revealed alterations in PIK3R1, ... 
      Córdova Delgado, Miguel Angel; Pinto, Mauricio P.; Pizarro, Gonzalo; Koch, Elard; Vargas, Cristian; Hernández, Mauricio; Nourdin, Guillermo; Saldivia, Pablo; Rodríguez Z., María Paz; Berkovits, Alejandro; Manque, Patricio; Rios, Juvenal A.; Garcia-Bloj, Benjamín; Garrido, Marcelo (AME Publishing Company, 2022)
      Background: Early-onset gastric cancers (EOGC) are poor prognosis hard-to treat malignancies that affect young individuals (<45 years old). Case Description: Herein we describe the case of a 26-year-old female EOGC patient ...
    • Proteomics in alcohol research 
      Anni, Helen; Israel Jacard, Yedy (National Institute on Alcohol Abuse and Alcoholism (NIAAA), 2002)
      The proteome is the complete set of proteins in an organism. It is considerably larger and more complex than the genome - the collection of genes that encodes these proteins. Proteomics deals with the qualitative and ...
    • A protocol for evaluating the safety of herbal preparations in a rat model: the case of a supercritical ... 
      Letelier Muñoz, María Eugenia; Aracena Parks, Paula; Peredo Silva, Liliana (2010)
      Herbal extracts must be evaluated for their efficacy and safety. In vivo acute toxicity studies must consider the different mechanisms by which active compounds may elicit toxicological outcomes. Thus, a methodology to ...
    • Protonation Sites, Tandem Mass Spectrometry and Computational Calculations of o-Carbonyl Carbazolequinone ... 
      Martínez Cifuentes, Maximiliano; Clavijo Allancan, Graciela; Zúñiga Hormazábal, Pamela; Aranda Zapata, Braulio Sebastián; Barriga, Andrés; Weiss López, Boris; Araya Maturana, Ramiro (MDPI AG, 2016)
      A series of a new type of tetracyclic carbazolequinones incorporating a carbonyl group at the ortho position relative to the quinone moiety was synthesized and analyzed by tandem electrospray ionization mass spectrometry ...
    • Psychoactive drugs in the Brazilian public health system: use profile and associated factors 
      Siani-Morello, Manuela Roque; Borges Pereira, Lucas; de Lima Ferreira, Iahel Manon; Jirón Aliste, Marcela Carolina; Leira Pereira, Leonardo Régis (Univ Sao Paulo, Conjunto Quimicas, Servico Publicacoes e Circulacao, Brazil, 2022)
      The purpose of this study is to estimate the prevalence of and characterize the use of psychoactive drugs among drug users in a Brazilian municipality, relating the findings to factors associated with the consumption of ...
    • Psychosocial factors and sociodemographic characteristics associated with suicidality risk in chilean adolescents 
      Zulic Agramunt, Christianne Milena; Guzmán Guzmán, Iris Paola; Delgado Floody, Pedro Antonio; Cerda Saavedra, Monserrat Belén; Gutiérrez de la Fuente, Patricio; Meza Solano, Mario Patricio; Sagredo Berríos, Claudia; Pérez Testor, Carles (MDPI, 2022)
      Background: Suicidality in adolescents is a growing concern and is currently a public health issue in Chile and the world. Objective: To determine the association between the risk of suicidality with self-harm, ...
    • Pulling on super paramagnetic beads with micro cantilevers: single molecule mechanical assay application 
      Muñoz, Romina; Aguilar Sandoval, Felipe; Wilson Moya, Christian; Melo, Francisco (IOP Publishing, 2015)
      This paper demonstrates that it is possible to trap and release a super paramagnetic micro bead by fixing three super paramagnetic micro beads in a triangular array at the sensitive end of a micro cantilever, and by simply ...
    • PURIFICATION AND CHARACTERIZATION OF 2 ISOAPYRASES FROM SOLANUM-TUBEROSUM VAR ULTIMUS 
      Kettlun, Ana María; Urra, Raúl; Leyton, Mario; Valenzuela Pedevila, María Antonieta; Mancilla, Marta; Traverso Cori, A. (PERGAMON-ELSEVIER SCIENCE LTD, 1992-11)
      Two isoenzymes of ATP-diphosphohydrolase (apyrase) were extracted and purified from S. tuberosum var. Ultimus. Their hydrolytic activity ratios (ATPase/ADPase) were 1.0 (apyrase B) and ca 15.0 (apyrase A). They were ...
    • Purification, partial kinetic characterization and reactive sulfhydryl groups of the phosphoenolpyruvate ... 
      Vial, M. Victoria; Oelckers, Karin B.; Rojas, M. Cecilia; Simpfendörfer, Robert W. (1995)
      Phosphoenolpyruvate carboxykinase (PEPCK) from the adductor muscle of Perumytilus purpuratus was purified to homogeneity, as determined by SDS-polyacrylamide gel electrophoresis (PAGE). The purification consisted of a ...
    • Pyrogallol red oxidation induced by superoxide radicals: Application to evaluate redox cycling of nitro compounds 
      Faúndez, M.; Rojas, M.; Bohle, P.; Reyes, C.; Letelier, M. E.; Aliaga, M. E.; Speisky Cosoy, Hernán; Lissi Gervaso, Eduardo A.; López Alarcón, Camilo (2011)
      The bleaching of the pyrogallol red (PGR) dye mediated by superoxide anion radicals (O2-) generated from the xanthine/xanthine oxidase system (X/XO) was studied by UV-visible spectrophotometry. The absorption band (at 540 ...
    • Quality Assessment of Published Health Economic Analyses from South America 
      Machado, Marcio; Iskedjian, Michael; Einarson, Thomas R. (2006-05)
      BACKGROUND: Health economic analyses have become important to healthcare systems worldwide. No studies have previously examined South America’s contribution in this area. OBJECTIVE: To survey the literature with the ...
    • Quality enhancement of canned sardine (Sardina pilchardus) by a preliminary slurry ice chilling treatment 
      Losada, Vanesa; Rodríguez Melis, Alicia; Ortiz Viedma, Jaime; Aubourg, Santiago P. (WILEY-V C H VERLAG GMBH, 2006-07)
      The slurry ice technology has shown wide advantages when employed as a chilling method for marine species instead of the traditional flake ice storage. In the present work, the use of slurry ice was evaluated for the first ...
    • Quality Enhancement of Chilled Fish by Including Alga Bifurcaria bifurcata Extract in the Icing Medium 
      Miranda, Jose M.; Ortiz Viedma, Jaime; Barros Velazquez, Jorge; Aubourg, Santiago P. (Springer, 2016)
      Bifurcaria bifurcata is a widely extended brown macroalga, whose antimicrobial and antioxidant properties have previously been described. In this study, ethanolic extracts of B. bifurcata were included in the icing medium ...
    • QUALITY KINETICS GRAPESEED OIL MODEL / MODELO CINETICO DE LA CALIDAD DE ACEITE DE PEPITA DE UVA 
      Castro Montero, Eduardo; Masson Salaué, Lilia; Valenzuela Lozano, Fernando (INST GRASA SUS DERIVADOS, 1990-07)
      The accelerated test of Schaal was applied to chilean commercial grapeseed oil, in order to know the deterioration of its quality. The aged samples were analized for sensory evaluation in scale 1 to 10, considering together ...
    • Quality of UVR exposure for different biological systems along a latitudinal gradient 
      Vernet, Maria; Diaz, Susana B.; Fuenzalida, Humberto A.; Camilion, Carolina; Booth, Charles R.; Cabrera, Sergio; Casiccia, Claudio; Deferrari, Guillermo; Lovengreen, Charlotte; Paladini, Alejandro; Pedroni, Jorge; Rosales, Alejandro; Zagarese, Horacio E. (2009)
      The exposure of organisms to ultraviolet radiation (UVR) is characterized by the climatology (annual cycle) and the variance (anomalies) of biologically-weighted irradiances at eight geographical locations in austral South ...
    • Quality properties and mathematical modeling of vinasse films obtained under different conditions 
      Cortés, Lionel; Pérez Won, Mario; Lemus Mondaca, Roberto; Giovagnoli Vicuña, Claudia; Uribe, Elsa (Wiley, 2020)
      Vinasse (pisco distillation waste) is a promising feedstock for developing new high value-added bioproducts because it is supporting sustainable production as an agroindustrial by-product. The aims of this study were to ...