Listar Investigación y Desarrollo por autor "Castro, Ricardo I."
Mostrando ítems 1-20 de 20
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Article
Antimicrobial properties of novel ionic liquids derived from imidazolium cation with phenolic functional groups (2021)
Guzmán-Jofre, Luis; Parra-Cid, Cristóbal; Guerrero-Muñoz, Etiennette; Peña-Varas, Carlos; Polo-Cuadrado, Efraín; Duarte, Yorley; Castro, Ricardo I.; Nerio, Luz Stella; Araya-Maturana, Ramiro; Assefa, Tewodros; ... (Academic Press Inc., 2021-10)Bacterial infections are nowadays among the major threats to public health worldwide. Thus, there is an urgent and increased need for new antimicrobial agents. As a result, the exploration of the antimicrobial properties ... -
Article
Assessing the modifications and degradation of cell wall polymers during the ripening process of Rubus ulmifolius Schott fruit (2024)
Parra-Palma, Carolina; Valdes, Cristian; Muñoz-Vera, Marcelo; Morales-Quintana, Luis; Castro, Ricardo I. (Taylor and Francis Ltd., 2024)The stability of cell walls and their constituents, extractives, and water during the development and ripening stages of Rubus ulmifolius Schott fruits (blackberry fruit) was explored. The cell wall plays a crucial role ... -
Article
Calcium-Alginate-Chitosan Nanoparticle as a Potential Solution for Pesticide Removal, a Computational Approach (2024)
Yáñez, Osvaldo; Alegría-Arcos, Melissa; Suardiaz, Reynier; Morales-Quintana, Luis; Castro, Ricardo I.; Palma-Olate, Jonathan; Galarza, Christian; Catagua-González, Ángel; Rojas-Pérez, Víctor; Urra, Gabriela; ... (Multidisciplinary Digital Publishing Institute (MDPI), 2023)Pesticides have a significant negative impact on the environment, non-target organisms, and human health. To address these issues, sustainable pest management practices and government regulations are necessary. However, ... -
Article
Changes in the cell wall components produced by exogenous abscisic acid treatment in strawberry fruit (2021)
Castro, Ricardo I.; Gonzalez-Feliu, Ana; Valenzuela-Riffo, Felipe; Parra-Palma, Carolina; Morales-Quintana, Luis (Springer Science and Business Media B.V., 2021-01-02)Abstract: Fruit development and ripening are controlled by multiple plant hormones; for strawberries, recent evidence supports the role of abscisic acid (ABA) as a promoter of fruit ripening. Fruit softening during ripening ... -
Article
Characterization of cell wall modification through thermogravimetric analysis during ripening of Chilean strawberry (Fragaria chiloensis) fruit (2021)
Castro, Ricardo I.; Muñoz-Vera, Marcelo; Parra-Palma, Carolina; Valenzuela-Riffo, Felipe; Figueroa, Carlos R.; Morales-Quintana, Luis (Springer Science and Business Media B.V., 2021)Fragaria chiloensis (Chilean strawberry) fruit has been described as a fruit with excellent organoleptic properties, highlighting its flavor and aroma. However, the fruit has a high softening rate. Fruit softening during ... -
Article
Characterization of the Cell Wall Component through Thermogravimetric Analysis and Its Relationship with an Expansin-like Protein in Deschampsia antarctica (2024)
Morales-Quintana, Luis; Tapia-Valdebenito, Daisy; Castro, Ricardo I.; Rabert, Claudia; Larama, Giovanni; Gutiérrez, Ana; Ramos, Patricio (MDPI, 2022)Deschampsia antarctica Desv. (Poaceae) is one of the two vascular plants that have colonized the Antarctic Peninsula, which is usually exposed to extreme environmental conditions. To support these conditions, the plant ... -
Article
Combined effects of sulfur dioxide, glutathione and light exposure on the conservation of bottled Sauvignon blanc (2021)
Díaz, Irina; Castro, Ricardo I.; Ubeda, C.; Loyola, Rodrigo; Laurie, V. Felipe (Elsevier Ltd, 2021-09-15)Oxygen exposure may trigger a series of changes that could be detrimental to the quality white wines. This study evaluated the combined effects of sulfur dioxide, glutathione and light exposure on the chemistry and sensory ... -
Article
Design and optimization of a self-assembling complex based on microencapsulated calcium alginate and glutathione (Cag) using response surface methodology (2021)
Castro, Ricardo I.; Morales-Quintana, Luis; Alvarado, Nancy; Guzmán-Jofre, Luis; Forero-Doria, Oscar; Valenzuela-Riffo, Felipe; Laurie, V. Felipe (MDPI AG, 2021-07-01)The aim of this work was to characterize and optimize the formation of molecular complexes produced by the association of calcium alginate and reduced glutathione (GSH). The influence of varying concentrations of calcium ... -
Article
Development and Evaluation of Cross-Linked Alginate–Chitosan–Abscisic Acid Blend Gel (2024)
Bustos, Daniel; Guzmán, Luis; Valdés, Oscar; Muñoz-Vera, Marcelo; Morales-Quintana, Luis; Castro, Ricardo I. (Multidisciplinary Digital Publishing Institute (MDPI), 2023)Abscisic acid (ABA) has been proposed to play a significant role in the ripening of nonclimacteric fruit, stomatal opening, and response to abiotic stresses in plants, which can adversely affect crop growth and productivity. ... -
Article
Effect of exogenous auxin treatment on cell wall polymers of strawberry fruit (2021)
Castro, Ricardo I.; González-Feliu, Ana; Muñoz-Vera, Marcelo; Valenzuela-Riffo, Felipe; Parra-Palma, Carolina; Morales-Quintana, Luis (MDPI AG, 2021-06-02)The role of auxin in the fruit-ripening process during the early developmental stages of commercial strawberry fruits (Fragaria x ananassa) has been previously described, with auxin production occurring in achenes and ... -
Article
Effects of the age/rage axis in the platelet activation (2020)
Recabarren-Leiva, Daniela; Burgos, Carlos Felipe; Hernández, Blanca; García-García, Francisco Jose; Castro, Ricardo I.; Guzmán-Jofre, Luis; Fuentes, Eduardo Q.; Palomo G., Iván; Alarcón, Marcelo (Elsevier B.V., 2020-11-05)Platelet activity is essential in cardiovascular diseases. Therefore our objective was to evaluate the main effects of activating RAGE in platelets which are still unknown. A search for RAGE expression in different databases ... -
Article
Evaluation of cell wall modification in two strawberry cultivars with contrasted softness (2021)
Castro, Ricardo I.; Muñoz-Vera, Marcelo; Morales-Quintana, Luis (MDPI AG, 2021)During the ripening process of fruit, the solubilization and depolymerization of cell wall components takes place, which results in the loss of firmness or the softening of fruit. Recently, we reported that two different ... -
Article
Evolution of the fruit ripening and development of the strawberry ‘Aroma’; through transcriptional, physiological and chemicals analysis (2024)
Gil i Cortiella, Mariona; Vasquez-Rojas, Carlos; Castro, Ricardo I.; Muñoz-Vera, Marcelo; Parra-Palma, Carolina; Méndez-Yáñez, Ángela; Sáez, Darwin; Ramos, Patricio; Morales-Quintana, Luis (Springer, 2024)In the last three decades, the demand for Fragaria x ananassa has increased by approximately 260%, due to its organoleptic qualities such as aroma, texture, and flavor, as well as its high content of nutrients and antioxidants. ... -
Article
Evolution of the Volatile Organic Compounds, Phenols and Antioxidant Capacity during Fruit Ripening and Development of Rubus ulmifolius Schott Fruits (2023)
Castro, Ricardo I.; Vásquez-Rojas, Carlos; Cortiella, Mariona Gil I; Parra-Palma, Carolina; Ramos, Patricio; Morales-Quintana, Luis (MDPI, 2023-01)Nowadays, a growing interest in consumers’ fruit with a high content of health-promoting compounds has been observed. In this sense, wild berries have received special attention based on their high accumulation of phenolic ... -
Article
Physicochemical and computational analysis of the melamine resin derivative for the glyphosate absorption from water using Langmuir-type model (2021)
Morales-Quintana, Luis; Bustos, Daniel; Gallego, Jaime; Valdés, Oscar; Guzmán-Jofre, Luis; Manke Nachtigall, Fabiane; Marican, Adolfo; Hernández-Rodríguez, Erix Wiliam; Ávila-Salas, Fabián; Bueno-Silva, W.; ... (Springer Science and Business Media Deutschland GmbH, 2021)Conventional pesticides are biosynthetic chemicals that are effectively used for the control of weeds, diseases, and pests worldwide. Among them, glyphosate, one of the most commonly used broad-spectrum herbicides, might ... -
Article
Removal of two carbamate pesticides from aqueous solutions using an adsorbent material based on poly(vinyl alcohol) and malic acid hydrogels (2024)
Durán-Lara, Esteban F.; Carreño, Gustavo; Pereira, Alfredo; Guerrero, Marcelo; Valdés, Oscar; Bustos, Daniel; Rivas, Jorge; Villaseñor, Jorge; Castro, Ricardo I.; Marican, Adolfo (Springer Science and Business Media Deutschland GmbH, 2024)This study describes through Molecular dynamics simulations the interactions between two carbamate pesticides, Carbofuran (CFN) and Methomyl (MML), with PVA hydrogels, crosslinked with malic acid (CLPHMAs), for the ... -
Article
Structural Effects of pH Variation and Calcium Amount on the Microencapsulation of Glutathione in Alginate Polymers (2024)
Bustos, Daniel; Hernández-Rodríguez, Erix W.; Castro, Ricardo I.; Morales-Quintana, Luis (Hindawi Limited, 2022)Reduced glutathione (GSH) has a high antioxidant capacity and is present in nearly every cell in the body, playing important roles in nutrient metabolism, antioxidant defense, and regulation of cellular events. Conversely, ... -
Article
The Controlled Release of Abscisic Acid (ABA) Utilizing Alginate–Chitosan Gel Blends: A Synergistic Approach for an Enhanced Small-Molecule Delivery Controller (2024)
Valdes, Oscar; Bustos, Daniel; Guzmán, Luis; Muñoz-Vera, Marcelo; Urra, Gabriela; Castro, Ricardo I.; Morales-Quintana, Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2024)The integration of abscisic acid (ABA) into a chitosan–alginate gel blend unveils crucial insights into the formation and stability of these two substances. ABA, a key phytohormone in plant growth and stress responses, is ... -
Article
Ugni molinae Fruit as a Source of Bioactive Compounds with Good Quality Traits (2021)
Castro, Ricardo I.; Ramos, Patricio; Parra-Palma, Carolina; Morales-Quintana, Luis (Hindawi Limited, 2021)Since the intake of fruits and vegetables displays important effects on the incidence of several chronic diseases in humans, consumers' attention worldwide is focused on the identification of functional foods. In this ... -
Article
Unveiling Novel Urease Inhibitors for Helicobacter pylori: A Multi-Methodological Approach from Virtual Screening and ADME to Molecular Dynamics Simulations (2024)
Valenzuela-Hormazabal, Paulina; Sepúlveda, Romina V.; Alegría-Arcos, Melissa; Valdés-Muñoz, Elizabeth; Rojas-Pérez, Víctor; González-Bonet, Ileana; Suardíaz, Reynier; Galarza, Christian; Morales, Natalia; Leddermann, Verónica; ... (Multidisciplinary Digital Publishing Institute (MDPI), 2024)Helicobacter pylori (Hp) infections pose a global health challenge demanding innovative therapeutic strategies by which to eradicate them. Urease, a key Hp virulence factor hydrolyzes urea, facilitating bacterial survival ...