Artículos de revistas: Publicaciones electrónicas recientes

Mostrando registros 1301-1320 de 2801

    • Improved stability of multicopper oxidase carbon nanotube conjugates using a thermophilic laccase 
      Atalah Zúñiga, Joaquín Ignacio; Zhou, Yan; Espina, Giannina; Blamey, Jenny M.; Ramasamy, Ramaraja P. (Royal Society of Chemistry, 2018)
      A recombinant laccase from thermophilic bacteria was used to construct an enzyme-multi-walled carbon nanotube composite catalyst, which shows improved stability as a bio-electrocatalyst for the oxygen reduction reaction ...
    • DNA staining method based on formazan precipitation induced by blue light exposure 
      Paredes, Aaron J.; Alfaro Valdés, Hilda M.; Wilson Moya, Christian (Journal of Visualized Experiments, 2018)
      DNA staining methods are very important for biomedical research. We designed a simple method that allows DNA visualization to the naked eye by the formation of a colored precipitate. It works by soaking the acrylamide or ...
    • Double emulsions as potential fat replacers with gallic acid and quercetin nanoemulsions in the aqueous phases 
      Silva, Wladimir; Torres Gatica, María Fernanda; Oyarzún Ampuero, Felipe; Silva Weiss, Andrea; Robert Canales, Paz; Cofrades, Susana; Giménez, Begoña (Elsevier, 2018)
      The development of fat replacers to obtain healthier/functional foods is a constant challenge. With this aim, double emulsions (DE) with a blend of olive, linseed and fish oils as oil phase were developed. To prevent the ...
    • Backyard farms represent a source of wide host range salmonella phages that lysed the most common salmonella ... 
      Rivera, Dacil; Toledo, Viviana; Di Pillo, Francisca; Dueñas, Fernando; Tardone, Rodolfo; Hamilton-West Miranda, Christopher; Vongkamjan, Kitiya; Wiedmann, Martin; Moreno Switt, Andrea I. (International Association Food Protection, 2018)
      The genus Salmonella has more than 2,600 serovars, and this trait is important when considering interventions for Salmonella control. Bacteriophages that are used for biocontrol must have an exclusively lytic cycle and the ...
    • Neonatal exposure to estradiol valerate reprograms the rat ovary androgen receptor and anti-Müllerian hormone ... 
      Martínez Pinto, Jonathan Eloy; Piquer Franco, Beatriz Gabriela; Tiszavari, Michelle; Lara, Hugo (Elsevier INC, 2018)
      To understand the impact of exposure to steroids in the early step of ovary development(a stage occurring in uterus in humans), we studied neonatal exposure to estradiol valerate (EV) in rats regarding polycystic ovary ...
    • CEMiTool: a Bioconductor package for performing comprehensive modular co expression analyses 
      Russo, Pedro S. T.; Ferreira, Gustavo R.; Cardozo, Lucas E.; Buerger, Matheus C.; Arias Carrasco, Raúl; Maruyama, Sandra R.; Hirata, Thiago D. C.; Lima, Diogenes S.; Passos, Fernando M.; Fukutani, Kiyoshi F.; Lever, Melissa; Silva, Joao S.; Maracaja Coutinho, Vinicius; Nakaya, Helder I. (BIOMED Central, 2018)
      Background: The analysis of modular gene co-expression networks is a well-established method commonly used for discovering the systems-level functionality of genes. In addition, these studies provide a basis for the discovery ...
    • StructRNAfinder: an automated pipeline and web server for RNA families prediction 
      Arias Carrasco, Raúl; Vásquez Moran, Yessenia; Nakaya, Helder I.; Maracaja Coutinho, Vinicius (BIOMED Central Ltd., 2018)
      Background: The function of many noncoding RNAs (ncRNAs) depend upon their secondary structures. Over the last decades, several methodologies have been developed to predict such structures or to use them to functionally ...
    • An HPLC method for the determination of isoflavones and the evaluation of their antioxidant capacity in ... 
      Montero, Guillermo; Günther Sapunar, Germán; Valdés Camus, Karina; Arriagada, Francisco; Morales, Javier O. (AOAC Int, 2018)
      In this work, we developed an HPLC method to simultaneously quantify and hence evaluate the stability, distribution, and antioxidant capacity of six isoflavones: genistein, genistin, daidzein, daidzin, glycitin, and biochanin ...
    • Ibandronate metal complexes: solution behavior and antiparasitic activity 
      Demoro, Bruno; Rostan, Santiago; Moncada, Mauricio; Li, Zhu Hong; Docampo, Roberto; Olea Azar, Claudio; Maya Arango, Juan; Torres, Julia; Gambino, Dinorah; Otero, Lucia (Springer, 2018)
      To face the high costs of developing new drugs, researchers in both industry and academy are looking for ways to repurpose old drugs for new uses. In this sense, bisphosphonates that are clinically used for bone diseases ...
    • Heparan sulfate potentiates leukocyte adhesion on cardiac fibroblast by enhancing Vcam-1 and Icam-1 expression 
      Olivares Silva, Francisco Javier; Landaeta, Rodolfo; Aránguiz, Pablo; Bolivar, Samir; Humeres Martínez, Claudio; Anfossi, Renatto; Vivar Sánchez, Raúl; Boza Fuentes, Pía; Muñoz Jofré, Claudia; Pardo Jiménez, Viviana Gladys; Peiro, Concepción; Sánchez Ferrer, Carlos; Díaz Araya, Guillermo (Elsevier, 2018)
      Cardiac fibroblasts (CF) act as sentinel cells responding to chemokines, cytokines and growth factors released in cardiac tissue in cardiac injury events, such as myocardial infarction (MI). Cardiac injury involves the ...
    • Bioaccessibility of bioactive compounds and antioxidant activity in murta (Ugni molinae T.) berries juices 
      Ah Hen, Kong S.; Mathias Rettig, Karen; Gómez Pérez, Luis; Riquelme Asenjo, Gabriela; Lemus Mondaca, Roberto; Muñoz Fariña, Ociel (2018)
      The aim of the study was to characterize the bioactivity and storability of a steam juicer extract from murta (Ugni molinae T.) berries, comparing with the bioactive quality of the fresh fruit. An extraction assay was ...
    • Phosphate favors the biosynthesis of CdS quantum dots in acidithiobacillus thiooxidans ATCC 19703 by improving ... 
      Ulloa, Giovanni; Quezada, Carolina P.; Araneda, Mabel; Escobar Miguel, Blanca; Fuentes Pérez, Edwar; Alvarez Armijo, Sergio; Castro, Matias; Bruna, Nicolás; Espinoza González, Rodrigo; Bravo Rodríguez, Denisse; Peréz Donoso, Jose M. (Frontiers media SA, 2018)
      Recently, we reported the production of Cadmium sulfide (CdS) fluorescent semiconductor nanoparticles (quantum dots, QDs) by acidophilic bacteria of the Acidithiobacillus genus. Here, we report that the addition of inorganic ...
    • Immobilization of graphene-derived materials at gold surfaces: Towards a rational design of protein-based ... 
      Primo, Emiliano N.; Bollo Dragnic, Soledad; Rubianes, María D.; Rivas, Gustavo A. (Pergamon-Elsevier Science LTD, 2018)
      This work is focused on the critical analysis of the non-covalent modification of a thiolated-gold surface with different grapheneous materials and the covalent attachment of bovine serum albumin (BSA) as a model protein. ...
    • Influence of solvent and lecithin in microencapsulation of fish oil by spray-drying 
      Encina, Cristian; Vergara, Cristina; Márquez Ruiz, Gloria; Holgado, Francisca; Robert Canales, Paz; Giménez, Begoña (Royal Soc Chemistry, 2018)
      Fish oil (FO) was encapsulated by conventional spray-drying (FO-W-Lec) and by ethanol spray-drying, with FO incorporated as an oil-in-ethanol emulsion (with lecithin as emulsifier, FO-EtOH-Lec) or as an oil-in-ethanol ...
    • Photophysical characterization of hydroxy and ethoxy phenalenone derivatives 
      Sandoval Altamirano, Catalina; Fuente, J. R. de la; Berríos, Eduardo; Sánchez, S. A.; Pizarro, N.; Morales, J.; Gunther, Georgia (Elsevier Science SA, 2018)
      Phenalenone has been extensively studied due to its photophysical behavior. However, fewer are the articles referring to the phenalenone derivatives as singlet oxygen generators. The incorporation of substituents on the ...
    • Totally organic redox active pH sensitive nanoparticles stabilized by amphiphilic aromatic polyketones 
      Araya Hermosilla, Esteban; Catalán Toledo, Jose; Muñoz Suescun, Fabián; Oyarzún Ampuero, Felipe; Raffa, Patrizio; Massimo Polgar, Lorenzo; Picchioni, Francesco; Moreno Villoslada, Ignacio (American Chemical Society, 2018)
      Amphiphilic aromatic polymers have been synthesized by grafting aliphatic polyketones with 4-(aminomethyl)benzoic acid at different molar ratios via the PaalKnorr reaction. The resulting polymers, showing diketone conversion ...
    • Substituent effect of side chains on the photochemical behavior of a new generation 1,4-dihydropyridine: ... 
      Cumsille, Sebastian; Morales, Javier O.; Sandoval Altamirano, Catalina; Guenther, Germán; Vega, Andrés; Pizarro, Nancy (Elsevier Science SA, 2018)
      Lercanidipine (LERCA) is a third generation antihypertensive drug belonging to the 1,4-dihydropyridine's family, which has been reported to induce photoallergic and/or phototoxic effects in patients with long term treatment. ...
    • Electrochemical characterization and electrocatalytic application of gold nanoparticles synthesized with ... 
      Sierra Rosales, Paulina; Torres, Rodrigo; Sepulveda, Carlos; Kogan Bocian, Marcelo; Squella Serrano, Juan (Wiley, 2018)
      Gold nanoparticles (AuNPs) have unique properties, making them attractive for electronic and energy-conversion devices and as (electro)catalysts for electrochemical sensors. In addition to the size and shape of AuNPs, the ...
    • Effects of sympathectomy on ovarian follicular development and steroid secretion 
      Garrido Palma, Maritza; Fernandois, Daniela; Venegas Santos, Mauricio; Paredes Vargas, Alfonso (Bioscientifica Ltd., 2018)
      Recently, the influence of adrenergic activity over ovarian function, and thus fertility, has begun to gain importance. Previous studies have shown that adrenergic activity through norepinephrine (NE) participates in the ...
    • Synthesis, crystal structure and magnetic properties of diaquabis(2,6-diamino-7H-purin-1-ium-kappa N-9)bis(4,4 ... 
      Atria Salas, Ana María; Parada Aliste, José; Moreno, Yanko; Suarez, Sebastián; Baggio, Ricardo; Peña, Octavio (International Union of Crystallography, 2018)
      The title mononuclear Co-II complex, [Co(C5H7N6)(2)(C14H8O5)(2)(H2O)(2)]center dot 2H(2)O, has been synthesized and its crystal structure determined by X-ray diffraction. The complex crystallizes in the triclinic space ...