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This article describes the production of nanoparticles of Chilean natural zeolite, using three size reduction methods: Ball mill, microgrinding, and microfluidization. Morphological characterization of samples indicated an average diameter of 37.2 +/- 15.8 nm of the zeolite particles. The size re...


Vergara-Figueroa, JudithAlejandro-Martin, SergueiPesenti Pérez, HéctorCerda, FabiolaFernandez-Perez, ArturoGacitua, William[Obtaining Nanoparticles of Chilean Natural Zeolite and its Ion Exchange with Copper Salt (Cu2+) for Antibacterial Applications]Obtaining Nanoparticles of Chilean Natural Zeolite and its Ion Exchange with Copper Salt (Cu2+) for Antibacterial Applications

Intestinal inflammation is a harmful condition in fish that can be triggered by the ingestion of soybean meal. Due to the positive costs-benefits ratio of including soybean meal in farmed fish diets, identifying additives with intestinal anti-inflammatory effects could contribute to solving the i...


Ulloa, Pilar E.Solis, Camila J.De la Paz, Javiera F.Alaurent, Trevor G. S.Caruffo, MarioHernández Arias, Adrián Dantagnan Dantagnan, PatricioFeijoo, Carmen G.[Lactoferrin Decreases the Intestinal Inflammation Triggered by a Soybean Meal-Based Diet in Zebrafish]Lactoferrin Decreases the Intestinal Inflammation Triggered by a Soybean Meal-Based Diet in Zebrafish

The Patagonian lakes (38-55 degrees S) are characterized by their marked oligotrophy, low number of species of crustacean zooplankton, and a marked predominance of calanoid copepods. Within this context, we considered that a review about the ecology of the zooplankton in central and southern Chil...


De Los Ríos Escalante, PatricioKies, Fatima[CALANOID COPEPODS IN CENTRAL CHILEAN AND CHILEAN PATAGONIAN LAKES (33-55 degrees S, CHILE), PROBABLE ECOLOGICAL KEY ROLE IN PELAGIC ENVIRONMENTS]CALANOID COPEPODS IN CENTRAL CHILEAN AND CHILEAN PATAGONIAN LAKES (33-55 degrees S, CHILE), PROBABLE ECOLOGICAL KEY ROLE IN PELAGIC ENVIRONMENTS

Crustacean communities in saline lakes are regulated mainly by salinity, and a significant inverse correlation can be found between salinity and species richness. The aim of the present study is to compare the carcinological diversity of two distinct arid regions of the world: Algerian saline lak...


De Los Rios-Escalante, PatricioAmarouayache, Mounia[CRUSTACEAN ZOOPLANKTON ASSEMBLAGES IN ALGERIAN SALINE LAKES: A COMPARISON WITH THEIR CHILEAN ALTIPLANO COUNTERPARTS]CRUSTACEAN ZOOPLANKTON ASSEMBLAGES IN ALGERIAN SALINE LAKES: A COMPARISON WITH THEIR CHILEAN ALTIPLANO COUNTERPARTS

The lakes of Chiloe Island have a high dissolved organic carbon concentration (known as 'humic') and show a connection with brackish water. They also display a high species richness of crustacean zooplankton. The aim of the present study is to characterize the potential factors that explain crust...


De Los Ríos Escalante, PatricioKies, Fatima[CRUSTACEAN ZOOPLANKTON COMMUNITIES IN CHILOE ISLAND COASTAL LAKES (42 degrees S, CHILE)]CRUSTACEAN ZOOPLANKTON COMMUNITIES IN CHILOE ISLAND COASTAL LAKES (42 degrees S, CHILE)

This research is focused on the legal assumption that must govern the analysis of the contractual liability of tourism intermediation companies in Cuba. Some key aspects of comparative law are included in the first part of this paper, while the second part contains an analysis, from a national po...


Martinez Montenegro, IsnelBaeza Leiva, MónicaCarrillo Rosa, Gabriel Alejandro[A second approach to the contractual liability of travel agencies in Cuba]A second approach to the contractual liability of travel agencies in Cuba

This research analyzes how the Chilean Supreme Court follows its own precedents in labor matters. Therefore, the decisions made on the 1051 unification of jurisprudence recourse deduced in the four year period that began with the incorporation of this recourse to the national legal system are ana...


Díaz García, LuisAlarcón García, SofíaCempe Cempe, KaterineGarrido Esparza, Luis AlejandroZuniga Garrido, Alejandro[FOLLOWING OF THE CHILEAN SUPREME SORT PRECEDENT IN LABOR MATTERS. EMPIRICAL STUDY OF THE JURISPRUDENCE UNIFICATION RECOURSE]FOLLOWING OF THE CHILEAN SUPREME SORT PRECEDENT IN LABOR MATTERS. EMPIRICAL STUDY OF THE JURISPRUDENCE UNIFICATION RECOURSE

This article analyses from a sustainable perspective the sport, as a means of social contact that promotes well-being and quality of life. It is emphasized that sports activities should consider the degree of ecological resilience and the role of states, governments, sports organizations and peop...


Crespo, Julio E.Estay Sepúlveda, Juan[Environment, well-being and sport: a glimpse from sustainability for an open society]Environment, well-being and sport: a glimpse from sustainability for an open society

This study evaluated the effects of sparteine, a lupin alkaloid, on growth and organ histology in rainbow trout. Eight diets with increasing concentrations of sparteine (0, 50, 100, 250, 500, 1000, 2500 and 5000 mg kg-1) were fed to triplicate groups of 61-g fish for 62 days. Survival was not aff...


Serrano Gutiérrez, EdisonStorebakken, T.Bórquez Ramírez, AliroPenn, M.Shearer, K. D.Dantagnan Dantagnan, PatricioMydland, L. T.[Histology and growth performance in rainbow trout (Oncorhynchus mykiss) in response to increasing dietary concentration of sparteine, a common alkaloid in lupins]Histology and growth performance in rainbow trout (Oncorhynchus mykiss) in response to increasing dietary concentration of sparteine, a common alkaloid in lupins

An isopod of the family Aegidae. provisionally referred to as Rocinela aff. australis Schicedte & Meinert. 1879, is reported from the Patagonian tootfish Dissostichus eleginoides Smitt, 1898, from off the Biobio region, Chile. One specimen was collected, its body suboval. symmetrical, the dorsum ...


Fernandez, ItaloDe Los Rios-Escalante, PatricioRetamal, Marco A.Valenzuela, ArielOyarzun, CiroCampos, Victor[FIRST RECORD OF ROCINELA AFF. AUSTRALIS (ISOPODA, AEGIDAE) IN THE PATAGONIAN TOOTHFISH DISSOSTICHUS ELEGINOIDES (PISCES, NOTHOTENIDAE) FROM SOUTHERN CHILE]FIRST RECORD OF ROCINELA AFF. AUSTRALIS (ISOPODA, AEGIDAE) IN THE PATAGONIAN TOOTHFISH DISSOSTICHUS ELEGINOIDES (PISCES, NOTHOTENIDAE) FROM SOUTHERN CHILE

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