Zobrazeno 1 - 10
of 231
pro vyhledávání: '"JORGE VALDÉS"'
Autor:
Jorge Valdés Saavedra, Eduardo Quiroga
Publikováno v:
Environmental and Sustainability Indicators, Vol 22, Iss , Pp 100373- (2024)
This work examines the distribution of metals(oid) in coastal sediments of the Concon-Quintero industrial complexes (central Chile), and evaluates the environmental condition of this zone, using some environmental indexes and different global and loc
Externí odkaz:
https://doaj.org/article/f1e04b3e51ac41c280d6a250ec3f21d5
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
The oxygen minimum zone (OMZ) is an essential feature along the Pacific margin, extensively studied for its influence on benthic fauna, acquiring relevance in coastal zones due to its impact on aquaculture species, marine-managed areas, and marine-pr
Externí odkaz:
https://doaj.org/article/7277a0115c2c43b8b171e95482bf8ece
Autor:
Ana Zárate, Verónica Molina, Jorge Valdés, Gonzalo Icaza, Sue Ellen Vega, Alexis Castillo, Juan A. Ugalde, Cristina Dorador
Publikováno v:
Frontiers in Microbiology, Vol 13 (2023)
Taxonomic and functional microbial communities may respond differently to anthropogenic coastal impacts, but ecological quality monitoring assessments using environmental DNA and RNA (eDNA/eRNA) in response to pollution are poorly understood. In the
Externí odkaz:
https://doaj.org/article/3e64bf6a0d944cebae7d5005f971a8ff
Autor:
Juan Castro-Severyn, Coral Pardo-Esté, Ingrid Araya-Durán, Valentina Gariazzo, Carolina Cabezas, Jorge Valdés, Francisco Remonsellez, Claudia P. Saavedra
Publikováno v:
Frontiers in Microbiology, Vol 13 (2022)
Arsenic is a highly toxic metalloid of major concern for public safety. However, microorganisms have several resistance mechanisms, particularly the expression of arsenic pumps is a critical component for bacterial ability to expel it and decrease in
Externí odkaz:
https://doaj.org/article/6136b6db94f64a15a6c66028730a51d7
Autor:
Nicolás C. Zanetta-Colombo, Zoë L. Fleming, Eugenia M. Gayo, Carlos A. Manzano, Marios Panagi, Jorge Valdés, Alexander Siegmund
Publikováno v:
Environment International, Vol 169, Iss , Pp 107490- (2022)
Indigenous communities from northern Chile have historically been exposed to the impacts of massive copper industrial activities conducted in the region. Some of the communities belonging to the Alto El Loa Indigenous Development Area are located les
Externí odkaz:
https://doaj.org/article/92ccda0a00c348d291d016b443867161
Autor:
Mirtha Ríos-Silva, Myriam Pérez, Roberto Luraschi, Esteban Vargas, Claudia Silva-Andrade, Jorge Valdés, Juan Marcelo Sandoval, Claudio Vásquez, Felipe Arenas
Publikováno v:
PLoS ONE, Vol 17, Iss 10, p e0273392 (2022)
Herein we report the use of an environmental multimetal(loid)-resistant strain, MF05, to biosynthesize single- or multi-element nanostructures under anaerobic conditions. Inorganic nanostructure synthesis typically requires methodologies and conditio
Externí odkaz:
https://doaj.org/article/aec60583f2754c35bfc241c19446754e
Autor:
Yery Marambio-Alfaro, Jorge Valdés Saavedra, Luis Ñacari Enciso, Américo López Marras, Antonio E. Serrano, Rodrigo Martínez Peláez, Alexis Castillo Bruna, Gabriel Álvarez Ávalos, Marcela Vidal Maldonado
Publikováno v:
Data in Brief, Vol 32, Iss , Pp 106032- (2020)
In this data article, we investigated the accumulation of heavy metals in the lizard Microlophus atacamensis, in three coastal areas of the Atacama Desert, northern Chile. We captured lizards in a non-intervened area (Parque Nacional Pan de Azucar, P
Externí odkaz:
https://doaj.org/article/6a29cb4ce72942689abb327d84d05c56
Autor:
Ana Zárate, Cristina Dorador, Ruben Araya, Mariela Guajardo, July Z. Florez, Gonzalo Icaza, Diego Cornejo, Jorge Valdés
Publikováno v:
PeerJ, Vol 8, p e9927 (2020)
The Loa River is the only perennial artery that crosses the Atacama Desert in northern Chile. It plays an important role in the ecological and economic development of the most water-stressed region, revealing the impact of the mining industry, which
Externí odkaz:
https://doaj.org/article/7d4c7e7b6ac44a619bb22034de89d6d8
Autor:
Adriana Aránguiz-Acuña, José A Luque, Héctor Pizarro, Mauricio Cerda, Inger Heine-Fuster, Jorge Valdés, Emma Fernández-Galego, Volker Wennrich
Publikováno v:
PLoS ONE, Vol 15, Iss 2, p e0229453 (2020)
The Atacama Desert (21-26°S) is currently one of the driest places on Earth and metal(loid)s are of special concern for this region, which hosts the largest-known porphyry copper deposits produced in Chile. Evidence of past environmental conditions
Externí odkaz:
https://doaj.org/article/c871ef04932741cf848ff306c6b644bd
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 23, p 12799 (2021)
Biosorption refers to a physicochemical process where substances are removed from the solution by a biological material (live or dead) via adsorption processes governed by mechanisms such as surface complexation, ion exchange, and precipitation. This
Externí odkaz:
https://doaj.org/article/64b386289af645d9921ed27744bb0d1b