Now showing items 561-580 of 2801

    • Lemus Mondaca, Roberto; Pizarro Oteíza, Sebastián; Pérez Won, Mario; Tabilo Munizaga, Gipsy (Wiley, 2018)
      The focus of this research was based on the application of an osmotic pretreatment (15% NaCl) for drying abalone slices, and it evaluates the influence of hot-air drying temperature (40-80 degrees C) on the product quality. ...
    • Muñiz, Kilian; Almodovar, Iriux; Streuff, Jan; Nieger, Martin (WILEY-V C H VERLAG GMBH, 2006-09)
      In situ generated osmium-diamine chelates from 2,3-diaminopropionic acid or diaminosuccinic acid represent efficient catalysts for the highly productive aminohydroxylation of alkenes. The reaction can be employed with ...
    • Encina, Cristian; Vergara Hinostroza, Cristina; Giménez, Begoña; Oyarzún Ampuero, Felipe; Robert Canales, Paz (Elsevier, 2016)
      Polyunsaturated fatty acids, especially long-chain polyunsaturated omega-3 fatty acids (LCco3-PUFA), are essential in human nutrition because they play an important role in humans and prevent several diseases. Fish oil is ...
    • Luo, Yuxuan; Jiang, Nan; May, Herman I.; Luo, Xiang; Ferdous, Anwerul; Schiattarella, Gabriele G.; Chen, Guihao; Li, Qinfeng; Li, Chao; Rothermel, Beverly A.; Jiang, Dingsheng; Lavandero González, Sergio Alejandro; Gillette, Thomas G.; Hill, Joseph A. (Lippincott Williams & Wilkins, 2021)
      Background: Cardiac hypertrophy is an independent risk factor for heart failure, a leading cause of morbidity and mortality globally. The calcineurin/NFAT (nuclear factor of activated T cells) pathway and the MAPK ...
    • Ahumada Torres, Aída Inés de Lourdes; Gudenschwager Soruco, Orianne; Carrasco Rimassa, María Adriana; Castillo Morales, Gabriela; Ascar Estay, María Loreto; Richter Duk, Pablo (ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2009-06)
      The purpose of this study was assessing Cu and Zn availabilities in soils amended with a biosolid through the determination of their sequentially extracted chemical forms and their relationship with the contents of these ...
    • Bustamante Araya, Ramiro; Toral Ponce, María; Richter Duk, Pablo; Serey Estay, Italo; Yates, L. R. (KLUWER ACADEMIC PUBL, 1997-05)
      Copper mining activities are very important in central Chile. Like other metals, copper is a nutrient for most plants at low concentration levels; however, at higher levels it may become toxic. At present, copper abundance ...
    • Álvarez Armijo, Sergio Aníbal; Jerez Guevara, Carlos (AMER SOC MICROBIOLOGY, 2004-09)
      For some bacteria and algae, it has been proposed that inorganic polyphosphates and transport of metal-phosphate complexes could participate in heavy metal tolerance. To test for this possibility in Acidithiobacillus ...
    • Letelier Muñoz, María Eugenia; Lagos, Fernando; Faúndez, Mario; Miranda, Dante; Montoya, Margarita; Aracena Parks, Paula; González Lira, Víctor (ELSEVIER IRELAND LTD, 2007-04)
      Treatment of hepatic microsomes with Fe3+/ascorbate activates UDP-glucuronyltransferase (UGT), a phenomenon totally prevented and reversed by reducing agents. At #2;M concentrations, iron and copper ions catalyze the ...
    • Paris Pizarro, Irmgard; Dagnino Subiabre, Alexies; Marcelain Cubillos, Katherine; Bennett, L. B.; Caviedes Fernández, Pablo; Caviedes Codelia, Raúl; Olea Azar, Claudio; Segura Aguilar, Juan (BLACKWELL SCIENCE LTD, 2001-04)
      The mechanism of copper (Cu) neurotoxicity was studied in the RCSN-3 neuronal dopaminergic cell line, derived from substantia nigra of an adult rat. The formation of a Cu-dopamine complex was accompanied by oxidation of ...
    • Tamayo, Laura; Azócar, Manuel; Kogan Bocian, Marcelo; Riveros, Ana; Páez, Maritza (2016)
      The development of polymer nanocomposites with antimicrobial properties has been a key factor for controlling or inhibiting the growth of microorganisms and preventing foodborne diseases and nosocomial infections. Commercially ...
    • Arada Pérez, María de los Ángeles; Landazury Yanes, Santiago; Cardona, M.; Aguilera, L.; Yazdani-Pedram Zobeiri, Mehrdad (Sociedad Chilena de Quimica, 2010)
      l-furoyl-3,3-diethylthiourea was used as a novel neutral carrier in ion selective electrode for copperII detection and determination. The Cu2+ selective plasticized polyvinyl chloride (PVC) membrane electrode exhibited ...
    • Ramos, Thaís; Maracajá Coutinho, Vinicius; Ortega, J. Miguel; Do Rego, Thais G. (BMC, 2020)
      Objective Data normalization and clustering are mandatory steps in gene expression and downstream analyses, respectively. However, user-friendly implementations of these methodologies are available exclusively under expensive ...
    • Blondel Buijuy, Carlos; Jiménez Muñoz, Juan; Leiva Araya, Lorenzo; Alvarez Armijo, Sergio; Pinto Anwandter, Bernardo; Contreras Leiva, Francisca; Pezoa Aros, David; Santiviago Cid, Carlos; Contreras Osorio, Lucia (American Society for Microbiology, 2015)
      In Fig. 2B, the RNA polymerase sigma 70 Western blots from the supernatant fractions of strains harboring an Hcp1-3XFLAG fusion were inadvertently duplicated during assembly of the final figure, and the blots of the sigma ...
    • Bikchantaev, I.; Galyametdinov, Y.; Prosvirin, A.; Griesar, K.; Soto Bustamante, Eduardo; Haase, W. (TAYLOR & FRANCIS LTD LONDON, 1995-02)
      The behaviour of a large number of paramagnetic metallo-mesogenic molecules with Cu and VO in different mesophases in a magnetic field was investigated by EPR techniques and magnetic susceptibility measurements. The ...
    • Préndez Bolívar, María Margarita; Egido, M.; Tomas, C.; Seco, J.; Calvo, A.; Romero, H. (PERGAMON-ELSEVIER SCIENCE LTD, 1995-07)
      This is a first-approach study tending to correlate solar radiation and temperature with total particulate matter in Santiago, Chile, a city heavily polluted by this contaminant. Experimental data for monthly average total ...
    • Tirapegui, Cristian; Acevedo Fuentes, Williams A.; Dahech, Pablo; Torrent, Claudia; Barrias, Pablo; Rojas Poblete, Macarena; Mascayano, Carolina (Elsevier, 2017)
      The authors regret that the affiliation details were incomplete. Full affiliation details for all authors are given above. The authors would like to apologise for any inconvenience caused.
    • Hernández, Wilfredo; Paz, Juan; Carrasco, Fernando; Vaisberg, Abraham; Spodine Spiridonova, Evgenia; Manzur Saffie, Jorge; Hennig, Lothar; Sieler, Joachim; Blaurock, Steffen; Beyer, Lothar (Hindawi Publishing Corporation, 2015)
    • Cárdenas Muñoz, Sergio Patricio; Parra, C.; Bravo, Jaime F.; Morales, P.; Lara Peñaloza, Hernán; Herrera-Marschitz Muller, Mario; Fiedler Temer, Jenny (ELSEVIER SCI IRELAND LTD, 2002-10-04)
      It has previously been shown that adrenalectomy (ADX) produces apoptosis in the granule cell of the dentate gyrus (DG), and that this effect is prevented by corticosterone replacement. Thus, we have investigated how this ...
    • Martínez Aguayo, Alejandro; Campino, Carmen; Baudrand, René; Carvajal, Cristian; Garcia, Hernán; Aglony, Marlene; Bancalari, Rodrigo; García Nannig, Lorena; Loureiro, Carolina; Vecchiola, Andrea; Tapia Castillo, Alejandra; Valdivia, Carolina; Sanhueza, Sebastián; Fuentes, Cristóbal; Lagos, Carlos F.; Solari, Sandra; Allende, Fidel; Kalergis, Alexis; Fardella, Carlos E. (Lippincott Williams & Wilkins, 2016)
      Objective: To identify novel biomarkers associated with pediatric primary hypertension. Methods: We recruited 350 participants (4-16 years). Anthropometric parameters and aldosterone, plasma renin activity, cortisol, ...
    • Ocaranza, María Paz; Riquelme Meléndez, Jaime; García Nannig, Lorena; Jalil, Jorge; Chiong Lay, Mario; Santos, Robson; Lavandero González, Sergio (Nature, 2020)
      The renin–angiotensin system is an important component of the cardiovascular system. Mounting evidence suggests that the metabolic products of angiotensin I and II — initially thought to be biologically inactive — have ...