Browsing Artículos by Author "Labidi, Jalel"
Now showing items 21-40 of 88
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Effect Of Reaction Conditions On The Surface Modification Of Cellulose Nanofibrils With Aminopropyl Triethoxysilane
Robles Barrios, José Eduardo; Csóka, Levente; Labidi Bouchrika, Jalel (MDPI, 2018-04-13)Nine different surface modifications of cellulose nanofibrils (CNF) with 3-aminopropyl triethoxysilane (ATS) by using three different solvent systems (water, ethanol, and a mixture of both) were investigated. The effect ... -
Effect of the Chemical Composition of Free-Terpene Hydrocarbons Essential Oils on Antifungal Activity
Ben Salha, Ghada; Herrera Díaz, René ; Lengliz, Olfa; Abderrabba, Manef; Labidi Bouchrika, Jalel (MDPI, 2019-09-19)In this study, Carum carvi L. essential oil (CEO) and Origanum majorana L. essential oil (MEO) was steam-distillated under reduced pressure. We henceforth obtained three fractions for each essential oil: CF1, CF2, CF3, ... -
Effect of the photocatalytic activity of TiO2 on lignin depolymerization
Prado García, Raquel; Erdocia Iriarte, Xabier; Labidi, Jalel (Elsevier, 2013-05)Lignin is a good candidate for photocatalytic cracking due to the presence of hydroxyl groups. The photocatalytic cracking reaction involves TiO2 as heterogeneous catalyst. In the present work lignin obtained by two ... -
Electrochemical Activity of Lignin Based Composite Membranes
Our society’s most pressing challenges, like high CO2 emission and the constant battle against energy poverty, require a clean and easier solution to store and utilize the renewable energy resources. However, recent ... -
Energy and environmental analysis of flavonoids extraction from bark using alternative solvents
Sillero Ortigosa, Leyre; Prado García, Raquel; Welton, Tom; Labidi Bouchrika, Jalel (Elsevier, 2021-05-04)[EN] Tree barks are rich in extractive compounds, among which the flavonoids are considered as products of interest. Due to the increase in the demand for these natural products, the development of efficient and sustainable ... -
Extraction of flavonoid compounds from bark using sustainable deep eutectic solvents
Sillero Ortigosa, Leyre; Prado García, Raquel; Welton, Tom; Labidi Bouchrika, Jalel (Elsevier, 2021-12)[EN] The use of green solvents in extraction processes, especially for applications of lignocellulosic biomass, has been extensively studied over the last years. Among the range of different green solvents, deep eutectic ... -
Fermentable sugars recovery from grape stalks for bioethanol production
Egüés Artola, Itziar; Serrano Cantador, Luis; Amendola, Danila; De Faveri, D. M.; Spigno, Giorgia; Labidi Bouchrika, Jalel (Elsevier, 2013-07-02)[EN]Three different processes were investigated for the recovery of fermentable sugars from grape stalks: autohydrolysis at 121 ºC before and after a pre-washing step and acid hydrolysis (2% H2SO4 w/w) after a pre-washing ... -
Fine-tune of lignin properties by its fractionation with a sequential organic solvent extraction
Izaguirre Aróstegui, Nagore; Robles Barrios, José Eduardo; Llano Ponte, Rodrigo; Labidi Bouchrika, Jalel; Erdocia Iriarte, Xabier (Elsevier, 2022-01)[EN] In this work, different lignins were obtained from two different extraction methods (kraft and organosolv) but from the same raw material (Eucalyptus globulus sp.). They were subsequently fractionated to determine the ... -
Formation of Palygorskite Clay from Treated Diatomite and its Application for the Removal of Heavy Metals from Aqueous Solution
Nefzi, Houwaida; Abderrabba, Manef; Ayadi, Sameh; Labidi Bouchrika, Jalel (MDPI, 2018-09-15)Environmental contamination by toxic heavy metals is a serious worldwide phenomenon. Thus, their removal is a crucial issue. In this study, we found an efficient adsorbent to remove Cu2+ and Ni2+ from aqueous solution using ... -
Fractionation of non-timber wood from Atlantic mixed forest into high-value lignocellulosic materials
Sillero Ortigosa, Leyre; Barriga Méndez, Sebastián; Izaguirre Aróstegui, Nagore; Labidi Bouchrika, Jalel; Robles Barrios, José Eduardo (Taylor & Francis, 2020-03-10)[EN] The forestry industry in the Basque Country has experienced an abandonment of small-sized forests in which native and introduced species tend to regrow if unattended; thus, requiring an intervention under which proper ... -
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 ... -
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 ... -
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 ...