Browsing by Author "Labidi, Jalel"
Now showing items 61-80 of 114
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Lignin-Based Polyols with Controlled Microstructure by Cationic Ring Opening Polymerization
Pérez Arce, Jonatan; Centeno Pedrazo, Ander; Labidi Bouchrika, Jalel; Ochoa Gómez, Jose R.; García Suárez, Eduardo J. (MDPI, 2021-02-22)Lignin-based polyols (LBPs) with controlled microstructure were obtained by cationic ring opening polymerization (CROP) of oxiranes in an organosolv lignin (OL) tetrahydrofuran (THF) solution. The control on the microstructure ... -
Lignin-ester derivatives as novel thermoplastic materials
Gordobil Goñi, Oihana; Robles Barrios, José Eduardo; Egüés Artola, Itziar; Labidi, Jalel (RSC, 2016)[EN] Spruce and eucalyptus lignins isolated by an organosolv process and lauroyl chloride were used as raw material for the synthesis of lignin-ester derivatives. The obtained products presented new and interesting properties ... -
Ligninaren eraldaketa balio erantsiko produktuen lorpenerako
Morales Matías, Amaia (2022-02-25)El agotamiento de los recursos fósiles y el alto impacto ambiental que supone la no biodegradabilidad que presentan los materiales poliméricos procedentes de estas fuentes han promovido la necesidad urgente de buscar ... -
Lignins from Agroindustrial by-Products as Natural Ingredients for Cosmetics: Chemical Structure and In Vitro Sunscreen and Cytotoxic Activities
Gordobil Goñi, Oihana; Olaizola Rebe, Paula; Bañales Asurmendi, Jesús María; Labidi Bouchrika, Jalel (MDPI, 2020-03-03)
The growing concern about the environmental impact and human health risk related to the excessive use of synthetic ingredients in cosmetics and topical formulations calls for the exploration of safe and sustainable natural ... -
Liquefaction of Kraft lignin using polyhydric alcohols and organic acids as catalysts for sustainable polyols production
Fuentes da Silva, Silvia Helena; Egüés Artola, Itziar; Labidi, Jalel (Elsevier, 2019)[EN]In this work, three different organic acid catalysts, (acetic acid, lactic acid and citric acid), are proposed as an alternative to common catalysts used in the liquefaction process of Kraft lignin. These organic acids ... -
Microwave-assisted esterification of bleached and unbleached cellulose nanofibers
Baraka, Farida; Robles Barrios, José Eduardo; Labidi Bouchrika, Jalel (Elsevier, 2023-01)Microwave-assisted synthetic pathway was explored for the sustainable esterification of cellulose nanofibers (CNFs) using an aromatic amine compound. For this purpose, nanofibers were isolated from unbleached and bleached ... -
Microwave-Assisted Extraction of Curcuma longa L. Oil: Optimization, Chemical Structure and Composition, Antioxidant Activity and Comparison with Conventional Soxhlet Extraction
Fernández Marín, Rut; Fernandes, Susana C. M.; Andrés Sánchez, María de los Ángeles; Labidi Bouchrika, Jalel (MDPI, 2021-03-10)
Curcuma root (Curcuma longa L.) is a very important plant in gastronomy and medicine for its unique antiseptic, anti-inflammatory, antimicrobial and antioxidant properties. Conventional methods for the extraction of curcuma ... -
Modification of Eucalyptus and Spruce organosolv lignins with fatty acids to use as filler in PLA
Gordobil Goñi, Oihana; Egüés Artola, Itziar; Labidi Bouchrika, Jalel (2016-05-09)Spruce (softwood) and Eucalyptus (hardwood) woods were used as raw material for lignin extraction by organosolv process. Chemical, structural and thermal characterizations of the extracted lignin samples have been performed ... -
Multiproduct biorefinery based on almond shells: impact of the delignification stage on the manufacture of valuable products
Morales Matías, Amaia; Hernández Ramos, Fabio; Sillero Ortigosa, Leyre; Fernández Marín, Rut; Dávila Rodríguez, Izaskun; Gullón Estévez, Patricia; Erdocia Iriarte, Xabier; Labidi Bouchrika, Jalel (Elsevier, 2020-07-22)
In this work, an integral valorisation of almond shells through a biorefinery approach was studied. The three main components of almond shells were extracted, isolated and characterised. The autohydrolysis process permitted ... -
Multistage treatment of almonds waste biomass: characterization and assessment of the potential applications of raw material and products
De Hoyos Martínez, Pedro Luis; Erdocia Iriarte, Xabier; Charrier-El Bouhtoury, Fatima; Prado García, Raquel; Labidi Bouchrika, Jalel (Elsevier, 2018-09-06)Almond shells are waste biomass generated in agro-industrial activities, which represent a resource that can be further valorized upon treatment. The purpose of this work was to assess new value-added products obtained ... -
Nanocellulose-based sensing platforms for heavy metal ions detection: A comprehensive review.
Mousavilangari, Seyedehmahsa; Antxustegi Bengoetxea, Miren Mirari; Labidi Bouchrika, Jalel (Pergamon-Elsevier, 2022-05-04)Increase in industrial activities has been arising a severe concern about water pollution caused by heavy metal ions (HMIs), such us lead (Pb2+), cadmium (Cd2+) or mercury (Hg2+). The presence of substantial amounts of ... -
Nanocellulose-based sensors in medical/clinical applications: The state-of-the-art review
Langari, Mahsa Mousavi; Nikzad, Maryam; Labidi Bouchrika, Jalel (Elsevier, 2023-03)In recent years, the considerable importance of healthcare and the indispensable appeal of curative issues, particularly the diagnosis of diseases, have propelled the invention of sensing platforms. With the development ... -
Nanofibrillated Cellulose-Based Aerogels Functionalized with Tajuva (Maclura tinctoria) Heartwood Extract
Coldebella, Rodrigo; Gentil, Marina; Berger, Camila; Dalla Costa, Henrique W.; Pedrazzi, Cristiane; Labidi Bouchrika, Jalel; Delucis, Rafael A.; Missio, André L. (MDPI, 2021-03-16)Aerogels are 3-D nanostructures of non-fluid colloidal interconnected porous networks consisting of loosely packed bonded particles that are expanded throughout their volume by gas and exhibit ultra-low density and high ... -
Nectandra grandiflora By-Products Obtained by Alternative Extraction Methods as a Source of Phytochemicals with Antioxidant and Antifungal Properties
Da Silva, Daniela Thomas; Herrera Díaz, René; Heinzmann, Berta Maria; Calvo, Javier; Labidi Bouchrika, Jalel (MDPI, 2018-02-09)
Nectandra grandiflora Nees (Lauraceae) is a Brazilian native tree recognized by its durable wood and the antioxidant compounds of its leaves. Taking into account that the forest industry offers the opportunity to recover ... -
New composite materials based on nanochitin and essential oils
Fernández Marín, Rut (2021-06-22)En los últimos años, el aislamiento de la quitina, que es el segundo polímero natural más abundante después de la celulosa, a partir de residuos de cáscaras de crustáceos ha generado un gran interés para su aplicación en ... -
New products from lignin.
Gordobil Goñi, Oihana (2018-03-22)La revalorización de la lignina se ve restringida por la heterogeneidad de su estructura, la cual varía en gran medida dependiendo de su origen lignocelulósico y el proceso de extracción del que se ha obtenido. Sin embargo, ... -
Non-destructive determination of core-transition-outer wood of Pinus nigra combining FTIR spectroscopy and prediction models
Herrera Díaz, René; Hermoso, Eva; Labidi Bouchrika, Jalel; Fernández-Golfín Seco, Juan Ignacio (Elsevier, 2022-08)
The early detection of wood quality by using advanced analytical non-destructive methods is an ongoing area of research and is highly interesting for the forest-based sector. The presence of core wood has negative effects ... -
Obtention and functionalization of cellulose nanofibers from agave tequilana weber var.azul
Robles Barrios, José Eduardo (2017-06-30)El presente trabajo busca dar una alternativa a la gestión de los subproductos derivados de la industria destiladora del tequila en el occidente mexicano, Se han realizado investigaciones orientadas a determinar la mejor ... -
Optimisation of lignin liquefaction with polyethylene glycol/ glycerol through response surface methodology modelling
Hernández Ramos, Fabio; Noví, Vincent; González Alriols, María; Labidi Bouchrika, Jalel; Erdocia Iriarte, Xabier (Elsevier, 2023-08)
In order to diminish the dependence on oil lignin, which is the most abundant biopolymer of phenolic origin on Earth and can be utilised in different industrial endeavours, such as, the production of polyurethanes. In this ... -
Optimization of the extraction of galactoglucomannans from Pinus halepensis
Benouadah, Nacera; Pranovich, Andrey; Aliouche, Djamel; Labidi Bouchrika, Jalel; Willför, Stefan (About De Gruyter, 2021-06-25)The effectiveness of pressurized hot-water extraction conditions for obtaining galactoglucomannans (GGMs) from Pinus halepensis suitable for applications like coatings and films packaging was investigated. For this purpose, ...