Arsenic in Latin America: New findings on source, mobilization and mobility in human environments in 20 countries based on decadal research 2010-2020

J Bundschuh, MA Armienta… - Critical Reviews in …, 2021 - Taylor & Francis
Abstract Today (year 2020), the globally recognized problem of arsenic (As) contamination
of water resources and other environments at toxic levels has been reported in all of the 20 …

An appraisal of the principal concerns and controlling factors for Arsenic contamination in Chile

MA Alam, A Mukherjee, P Bhattacharya… - Scientific Reports, 2023 - nature.com
Abstract Although geogenic Arsenic (As) contamination is well-recognized in northern Chile,
it is not restricted to this part of the country, as the geological conditions favoring As release …

Origin, distribution, and geochemistry of arsenic in the Altiplano-Puna plateau of Argentina, Bolivia, Chile, and Perú

J Tapia, J Murray, M Ormachea, N Tirado… - Science of the Total …, 2019 - Elsevier
Elevated concentrations of arsenic in water supplies represent a worldwide health concern.
In at least 14 countries of South America, high levels have been detected relative to …

Dust and aerosols in the Atacama Desert

F Arenas-Díaz, B Fuentes, M Reyers, S Fiedler… - Earth-Science …, 2022 - Elsevier
Abstract The Atacama Desert is one of the driest and oldest deserts on Earth. The extreme
scarcity of rainfall and hence very limited runoff, paired with endorheism, allow sediments …

Water Quality Classification and Machine Learning Model for Predicting Water Quality Status—A Study on Loa River Located in an Extremely Arid Environment …

V Flores, I Bravo, M Saavedra - Water, 2023 - mdpi.com
Water is the most important resource for human, animal, and vegetal life. Recently, the use
of artificial intelligence techniques, such as Random Forest, has been combined with other …

Naturally elevated arsenic in the Altiplano-Puna, Chile and the link to recent (Mio-Pliocene to Quaternary) volcanic activity, high crustal thicknesses, and geological …

J Tapia, B Schneider, M Inostroza… - Journal of South …, 2021 - Elsevier
The compilation of water, sediment, rock, and condensed gas data of arsenic (As) in the
Altiplano-Puna of Chile reveals a link between its natural enrichment and volcanic activity …

Modern arsenotrophic microbial mats provide an analogue for life in the anoxic Archean

PT Visscher, KL Gallagher, A Bouton… - … Earth & Environment, 2020 - nature.com
The earliest evidence of life captured in lithified microbial mats (microbialites) predates the
onset of oxygen production and yet, modern oxygenic mats are often studied as analogs …

Secondary metabolites with antimicrobial activity produced by thermophilic bacteria from a high-altitude hydrothermal system

C Pardo-Esté, J Cortés, J Castro-Severyn… - Frontiers in …, 2024 - frontiersin.org
Thermophilic microorganisms possess several adaptations to thrive in high temperature,
which is reflected as biosynthesis of proteins and thermostable molecules, isolation and …

Unraveling biogeochemical phosphorus dynamics in hyperarid Mars‐analogue soils using stable oxygen isotopes in phosphate

J Shen, AC Smith, MW Claire, AL Zerkle - Geobiology, 2020 - Wiley Online Library
With annual precipitation less than 20 mm and extreme UV intensity, the Atacama Desert in
northern Chile has long been utilized as an analogue for recent Mars. In these hyperarid …

Biomineralization of lithium nanoparticles by Li-resistant Pseudomonas rodhesiae isolated from the Atacama salt flat

N Bruna, E Galliani, P Oyarzún, D Bravo, F Fuentes… - Biological Research, 2022 - Springer
Abstract Background The Atacama salt flat is located in northern Chile, at 2300 m above sea
level, and has a high concentration of lithium, being one of the main extraction sites in the …