Browsing by Author "Labidi, Jalel"
Now showing items 41-60 of 114
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Functional Chitosan Derivative and Chitin as Decolorization Materials for Methylene Blue and Methyl Orange from Aqueous Solution
Labidi, Abdelkader; Martínez Salaberria, Asier; Fernandes, Susana C. M.; Labidi Bouchrika, Jalel; Abderrabba, Manef (MDPI, 2019-02-01)Dyes are classified as one of the major pollutants of water. They have negative impacts not only on environment but also on human health. In fact, wastewater that contains these harmful substances requires many types of ... -
Functionalization of Cellulose Nanocrystals in Choline Lactate Ionic Liquid
Montes, Sarah; Azcune, Itxaso; Cabanero, German; Grande, Hans-Jürgen; Odriozola, Ibon; Labidi Bouchrika, Jalel (MDPI, 2016-06)Cellulose nanocrystals (CNCs) are valuable nanomaterials obtained from renewable resources. Their properties make them suitable for a wide range of applications, including polymer reinforcement. However, due to their highly ... -
Gelatin-Based Hydrogels: Potential Biomaterials for Remediation
Andreazza, Robson; Morales Matías, Amaia; Pieniz, Simone; Labidi Bouchrika, Jalel (MDPI, 2023-02-18)Hydrogels have become one of the potential polymers used with great performance for many issues and can be promoted as biomaterials with highly innovative characteristics and different uses. Gelatin is obtained from collagen, ... -
Halochromic and antioxidant capacity of smart films of chitosan/chitin nanocrystals with curcuma oil and anthocyanins
Fernández Marín, Rut; Fernandes, Susana C. M.; Andrés Sánchez, María de los Ángeles; Labidi Bouchrika, Jalel (Elsevier, 2021-02)
Curcuma longa L. essential oil and anthocyanin extracts contain bioactive compounds such as antioxidant properties and their pigments are able to change color when exposed to different pH or ammonium gas. In this context, ... -
Hemicelluloses obtaining from rapeseed cake residue generated in the biodiesel production process
Egüés Artola, Itziar; González Alriols, María; Herseczki, Zsanett; Marton, Gy; Labidi Bouchrika, Jalel (2010-03-25)[EN]The processing of rapeseed oil seeds for biodiesel production generates huge amounts of lignocellulosiccake residue mainly composed by cellulose, hemicelluloses and lignin. In this work, the valorisation ofthese ... -
High added-value compounds from the integral revalorisation of winery residues
Dávila Rodríguez, Izaskun (2019-03-22)El sarmiento es un residuo vitivinícola generado en grandes cantidades y que carece de aplicaciones de valor añadido. Su aprovechamiento podría aumentar los beneficios económicos de esta actividad y reducir los problemas ... -
Hydrophobization and Photo-Stabilization of Radiata Pinewood: The Effect of the Esterification on Thermal and Mechanical Properties
Herrera Díaz, René; Gordobil Goñi, Oihana; De Hoyos Martínez, Pedro Luis; Sandak, Anna
; Labidi Bouchrika, Jalel (MDPI, 2020-10-24)
Wood protection through chemical modification has received increasing interest over the last decades due to the environmental issues related to conventional biocides or protecting products. Consequently, a wide range of ... -
Hydrothermal treatments of walnut shells: a potential pretreatment for subsequent product obtaining
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia (Elsevier, 2020-10-08)Walnuts are nowadays widely consumed. Since the edible part of walnuts does not account more than 50-60% of their total weight, the total amount of shells produced annually is huge. However, as walnut shells are part of ... -
Impact of the lignin type and source on the characteristics of physical lignin hydrogels
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia (Elsevier, 2022-04)[EN] Multiple natural polymers have been investigated for the synthesis of hydrogels to the present date, but lignin has demonstrated to be a promising one for this purpose for the multiple advantages it offers. Lignin can ... -
Industrial wood modification by heat treatments
El objetivo principal de este trabajo de tesis fue el de mejorar las propiedades naturales de la madera solida modificándola químicamente por medio de calor a altas temperaturas. La tecnología de termo-tratado ha despertado ... -
Influence of lignin modifications on physically crosslinked lignin hydrogels for drug delivery applications
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia (Elsevier, 2022-09)So far, the possibility of synthesizing hydrogels based on multiple biopolymers has been investigated, and among them lignin has proven to be one of the potentials for this purpose due to the multiple advantages it offers. ... -
Integral valorisation of walnut shells based on a three-step sequential delignification
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia (Elsevier, 2022-05)[EN] Walnut kernels represent no more than 50-60% of the total weight of the fruit, so the sum of walnut shells generated every year is immense. Nonetheless, these shells could be further valorised for the extraction of ... -
Integral Valorization of Posidonia oceanica Balls: An Abundant and Potential Biomass
Mnafki, Rim; Morales, Amaia; Sillero, Leyre; Khiari, Ramzi; Moussaoui, Younes; Labidi, Jalel (MDPI, 2024-01-04)Posidonia oceanica balls (POB), a kind of seagrass, are a significant environmental issue since they are annually discharged onto beaches. Their current usefulness limits interest in their management and enhances the ... -
Jet-Injection In Situ Production of PVDF/PCM Composite Fibers for Thermal Management
Durán, Mikel; Nikulin, Artem; Serrano, Ángel; Dauvergne, Jean-Luc; Grosu, Yaroslav; Labidi Bouchrika, Jalel; Palomo del Barrio, Elena (ACS, 2023-07)Thermal management protects against external agents and increases the lifetime and performance of the devices in which it is implemented. Because of their ability to store and release a high amount of energy at a nearly ... -
Kraft and organosolv lignin-activated carbon composites for supercapacitor electrode materials
Izaguirre Aróstegui, Nagore; Alberro Astarbe, Mikel; Erdocia Iriarte, Xabier; Labidi Bouchrika, Jalel (Elsevier, 2024-03)Lignin-activated carbon (AC) composites were employed as electrode active materials to develop more environmentally friendly Supercapacitor (SC) materials with enhanced properties. This way, the hydroquinone/quinone moieties ... -
Kraft lignin as filler in PLA to improve ductility and thermal properties
Gordobil Goñi, Oihana; Delucis, Rafael; Egüés Artola, Itziar; Labidi, Jalel (Elsevier, 2015-10)[EN] Kraft lignin (KL) and acetylated Kraft lignin (AKL) were used as filler for the elaboration of composites with poly(lactic acid) (PLA) in different concentrations (0.5, 1, 5, 10 and 20%) by extrusion method at 200 ... -
Life Cycle Assessment of various biorefinery approaches for the valorisation of almond shells
Sillero Ortigosa, Leyre; Morales Matías, Amaia; Fernández Marín, Rut; Hernández Ramos, Fabio; Dávila Rodríguez, Izaskun; Erdocia Iriarte, Xabier; Labidi Bouchrika, Jalel (Elsevier, 2021-10)
In the near future, sustainable and efficient biorefineries would be essential for the production of commodity chemicals and high-added value compounds. Therefore, in this work, six scenarios differing on the delignification ... -
Lignin as a source of phenolic compounds: from lignin extraction to its transformtion by different routes.
Fernández Rodríguez, Javier (2020-01-29)En la presente Tesis Doctoral el trabajo desarrollado se ha centrado en la extracción y caracterización de lignina procedente de diversos tipos de material residual lignocelulósico, como el bagazo y hojas de agave azul, ... -
Lignin extraction, purification and depolymerization study
Toledano Zabaleta, Ana (Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2014-05-12)Petroleum reverses are depleting, fuel prices are increasing and the push of theenvironmental policies such as Kioto protocol are forcing the search for new biofuels,biomaterials and biochemicals. Lignocellulosic biomass ... -
Lignin oxidation and depolymerisation in ionic liquids
Prado García, Raquel; Brandt, Agnieszka; Erdocia Iriarte, Xabier; Hallett, Jason; Welton, Tom; Labidi, Jalel (RSC, 2015-09)The depolymerisation of lignin directly in the black liquor was studied, comparing two ionic liquids as extracting solvents (butylimidazolium hydrogen sulphate and triethylammonium hydrogen sulphate), under oxidising ...