Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Mariella Rivas"'
Autor:
Alejandro Maureira, Manuel Zapata, Jorge Olave, David Jeison, Liey-Si Wong, Antonio Panico, Pía Hernández, Luis A. Cisternas, Mariella Rivas
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 12 (2024)
In this study, native ureolytic bacteria were isolated from copper tailings soils to perform microbial-induced carbonate precipitation (MICP) tests and evaluate their potential for biocement formation and their contribution to reduce the dispersion o
Externí odkaz:
https://doaj.org/article/c634e29c696248c58357106d5e7225d4
Autor:
Héctor Zúñiga-Barra, Eduardo Ortega-Martínez, Javiera Toledo-Alarcón, Álvaro Torres-Aravena, Lorena Jorquera, Mariella Rivas, David Jeison
Publikováno v:
Minerals, Vol 13, Iss 4, p 506 (2023)
Mining activities offer clear economic benefits for mineral-rich countries. However, mining operations can produce several environmental impacts. Many of these are associated with generating and managing mining waste known as tailings, which are typi
Externí odkaz:
https://doaj.org/article/ba2ecc7fe6ed4dc3a09b0055357d0f7c
Autor:
Carol Ostojic, Génesis Serrano, Pablo Ferrada, Mauricio Escalona, Victor Jiménez, María Teresa González, Alejandro Maureira, Antonio Panico, Manuel Zapata, Mariella Rivas
Publikováno v:
Water, Vol 14, Iss 21, p 3362 (2022)
The use of seawater for mining purposes in Chile has progressively increased in recent years as fast as the interest on the negative effects of biofouling on the inner part of pipelines used to transport seawater. To prevent biofouling, chemical anti
Externí odkaz:
https://doaj.org/article/3ccd3f6d436a454f9382b4424935e6fe
Autor:
Génesis Serrano, Carol Miranda-Ostojic, Pablo Ferrada, Cristian Wulff-Zotelle, Alejandro Maureira, Edward Fuentealba, Karem Gallardo, Manuel Zapata, Mariella Rivas
Publikováno v:
Marine Drugs, Vol 19, Iss 9, p 527 (2021)
Magnetic fields in biological systems is a promising research field; however, their application for microalgae has not been fully exploited. This work aims to measure the enzymatic activity and non-enzymatic activity of two microalgae species in term
Externí odkaz:
https://doaj.org/article/8639b31baab44f4dbcafab6737268654
Autor:
Sebastián Sepúlveda, Carla Duarte-Nass, Mariella Rivas, Laura Azócar, Andrés Ramírez, Javiera Toledo-Alarcón, Leopoldo Gutiérrez, David Jeison, Álvaro Torres-Aravena
Publikováno v:
Minerals, Vol 11, Iss 8, p 905 (2021)
This research focused on the evaluation of the potential use of a soil-isolated bacteria, identified as Staphylococcus equorum, for microbial-induced calcite precipitation (MICP) and copper removal. Isolated bacteria were characterized considering gr
Externí odkaz:
https://doaj.org/article/35e9663d2459493288cda99dbddeefd3
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 6 (2019)
The processes of biomineralization, mediated by ureolytic bacteria, possess a wide range of technological applications, such as the formation of biocements and remediation of water and soil environments. For this reason, the bioprospecting of new ure
Externí odkaz:
https://doaj.org/article/8db9199ad2754b9790c79a545345beb3
Publikováno v:
AIMS Microbiology, Vol 2, Iss 4, Pp 402-411 (2016)
Hydrolysis of polymers is a first and often limiting step during the degradation of plant residues. Plant biomass is generally a major component of waste residues and a major renewable resource to obtain a variety of secondary products including biof
Externí odkaz:
https://doaj.org/article/8373826afaac48a1b18d70bc72e5f424
Autor:
Grecia Villca, Dayana Arias, Ricardo Jeldres, Antonio Pánico, Mariella Rivas, Luis A. Cisternas
Publikováno v:
Minerals, Vol 10, Iss 8, p 676 (2020)
The combined use of the Radial Basis Function Network (RBFN) model with pretreated seawater by biomineralization (BSw) was investigated as an approach to improve copper tailings flocculation for mining purposes. The RBFN was used to set the optimal r
Externí odkaz:
https://doaj.org/article/8ad034d78b3544f28d82d578ae726a95
Autor:
Álvaro Esteban Torres-Aravena, Carla Duarte-Nass, Laura Azócar, Rodrigo Mella-Herrera, Mariella Rivas, David Jeison
Publikováno v:
Crystals, Vol 8, Iss 11, p 438 (2018)
Microbially induced calcite precipitation (MICP) through a ureolytic pathway is a process that promotes calcite precipitation as a result of the urease enzymatic activity of several microorganisms. It has been studied for different technological appl
Externí odkaz:
https://doaj.org/article/c3785b3816cb4fa3bec19c6368616d59
Publikováno v:
Biological Research, Vol 38, Iss 2-3, Pp 283-297 (2005)
The genome of the acidophilic, proteobacterium Acidithiobacillus ferrooxidans, contains linked but divergently oriented genes, termed afeI and afeR, whose predicted protein products are significantly similar to the LuxI and LuxR families of proteins.
Externí odkaz:
https://doaj.org/article/2fd3ace8990e41c1a906cc1fda0d0ed6