Results 1 to 10 of about 2,580 (135)

Effect of EDTA and Zero-Valent Iron Nanoparticles on Phytoremediation Capacity of Cistanthe grandiflora [PDF]

Plants
Mining activities in Chile generate massive amounts of tailings, creating significant environmental risks due to heavy metal contamination. Phytoremediation offers an eco-friendly solution, yet studies on native Chilean species are scarce.
Andrea Lazo, Pamela Lazo, Henrik K. Hansen, Alejandro Zambra, Waldo Pérez, Arnold Solano   +5 more
doaj   +2 more sources

Crisis epilépticas en niños con síndrome de Dravet en condiciones de calor extremo: estudio cualitativo de la perspectiva de los progenitores. [PDF]

Dev Med Child Neurol
Resumen Objetivo Describir la experiencia de progenitores de niños y adolescentes con síndrome de Dravet en relación con el impacto de las olas de calor o las altas temperaturas ambientales en las crisis epilépticas de sus hijos, así como las estrategias de afrontamiento empleadas.
Aledo-Serrano A, Aibar JÁ, Palacios-Ceña D, Salcedo-Perez-Juana M, Palacios-Ceña M, Giorgi S, Lorenzo-Dieguez M, Sisodiya SM, García-Bravo C.   +8 more
europepmc   +2 more sources

Effect of CO₂ Laser Microperforation Pretreatment on the Dehydration of Apple Slices during Refractive Window Drying

Foods, 2023
This research studied the use of CO2 LASER microperforation as a pretreatment for the refractive window (RW) drying of apple slices with respect to total polyphenol content (TPC), antioxidant capacity, color ΔE, and product stability under accelerated ...
Helena Núñez, Aldonza Jaques, Karyn Belmonte, Andrés Córdova, German Lafuente, Cristian Ramírez   +5 more
doaj   +1 more source

Freeze-Drying of Blueberries: Effects of Carbon Dioxide (CO₂) Laser Perforation as Skin Pretreatment to Improve Mass Transfer, Primary Drying Time, and Quality

Foods, 2020
Freeze-dried berry fruits are generally consumed as they are, whole and without peeling or cutting, as the conservation of their original shape and appearance is often desired for the final product.
Pablo Munzenmayer, Jaime Ulloa, Marlene Pinto, Cristian Ramirez, Pedro Valencia, Ricardo Simpson, Sergio Almonacid   +6 more
doaj   +1 more source

Variable Retort Temperature Profiles (VRTPs) and Retortable Pouches as Tools to Minimize Furan Formation in Thermally Processed Food

Foods, 2021
Furan and its derivates are present in a wide range of thermally processed foods and are of significant concern in jarred baby and toddler foods. Furan formation is attributed to chemical reactions between a variety of precursors and a high processing ...
Matías Fardella, Cristian Ramírez, Eduardo Caballero, Elizabeth Sánchez, Marlene Pinto, Helena Núñez, Pedro Valencia, Sergio Almonacid, Ricardo Simpson   +8 more
doaj   +1 more source

Combined Electrodialysis and Electrocoagulation as Treatment for Industrial Wastewater Containing Arsenic and Copper

Membranes, 2023
In copper smelting processes, acidic effluents are generated that contain inorganic contaminants such as arsenic and copper. Nowadays, the treatment of wastewater is done by physicochemical methods without copper recovery.
Henrik K. Hansen, Claudia Gutiérrez, Jorge Leiva Gonzalez, Andrea Lazo, Marcela E. Hansen, Pamela Lazo, Lisbeth M. Ottosen, Rodrigo Ortiz   +7 more
doaj   +1 more source

Selection of Operation Conditions for a Batch Brown Seaweed Biosorption System for Removal of Copper from Aqueous Solutions

Metals, 2023
Heavy metal exposure from wastewater is an important environmental issue worldwide. In the search for more efficient treatment technologies, biosorption has been presented as an alternative for contaminant removal from wastewaters.
Henrik K. Hansen, Claudia Gutiérrez, Natalia Valencia, Claudia Gotschlich, Andrea Lazo, Pamela Lazo, Rodrigo Ortiz-Soto   +6 more
doaj   +1 more source

Development of an Araucaria araucana Beer-like Beverage: Process and Product

Fermentation, 2021
The seed from the Araucaria araucana (in Spanish, piñon) tree, native to Chile and Argentina, is sold mainly as raw seed. Engineering a process to add value to piñon has the potential to positively impact local indigenous communities with very little ...
Angélica Durán, José Reyes-De-Corcuera, Gustavo Garay, Pedro Valencia, Alejandra Urtubia   +4 more
doaj   +1 more source

Efecto del uso de hidrolizado enzimático de proteína de levadura sobre la fermentación y el perfil sensorial del vino

BIO Web of Conferences, 2019
Se evaluó el uso de proteínas de levaduras como fuente de nitrógeno orgánica para la fermentación en reemplazo del diaminofosfato (DAP). Se utilizaron Saccharomyces cerevisiae autoclavadas y posteriormente hidrolizadas con 6.75 mAU/g de subtilisina a pH ...
Valencia P., Rojas P., Urbina C., Urtubia A.   +3 more
doaj   +1 more source

Spatial and Temporal Validation of a CFD Model Using Residence Time Distribution Test in a Tubular Reactor

Computation, 2020
Computational fluid dynamic (CFD) has been increasingly exploited for the design and optimization of (bio)chemical processes. Validation is a crucial part of any modeling application.
José Rivas, M. Constanza Sadino-Riquelme, Ignacio Garcés, Andrea Carvajal, Andrés Donoso-Bravo   +4 more
doaj   +1 more source