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Populus alba L., an Autochthonous Species of Spain: A Source for Cellulose Nanofibers by Chemical Pretreatment
Ibarra, David; Martín Sampedro, Raquel; Wicklein, Bernd; Borrero López, Antonio María; Valencia Barragán, Concepción
; Valdehíta, Ana; Navas, José M.; Eugenio, María Eugenia (MDPI, 2022)
In order to identify new sustainable sources for producing cellulose nanofibers (CNFs), fast-growing poplar (Populus alba L.) wood was evaluated herein. For that purpose, bleached poplar kraft pulp was produced and ... -
Residence in an Area with Environmental Exposure to Heavy Metals and Neurobehavioral Performance in Children 9–11 Years Old: An Explorative Study
Capelo Álvarez, Rocío; Rohlman, Diane S.; Jara Biedma, Rocío; García Barrera, Tamara; Viñas, Jesús; Lorca Marín, José Andrés; Contreras Llanes, Manuel; Alguacil Ojeda, Juan (MDPI, 2022)
We explored the association between residence in an area polluted with metals and neurobehavioral performance in children aged 9 to 11. A cross-sectional study was conducted with thirty boys and thirty girls aged 9 to 11 ... -
Pyrolysis kinetic, thermodynamic and product analysis of different leguminous biomasses by Kissinger-Akahira-Sunose and pyrolysis-gas chromatography-mass spectrometry
Clemente Castro, Sergio; Palma López, Alberto; Ruiz Montoya, Mercedes; Giráldez Díaz, Inmaculada; Díaz Blanco, Manuel Jesús (Elsevier, 2022)
To ascertain the potential of various leguminous biomass such as L. leucocephala, C. proliferus, P. alba and S. sesban, both energetic and a source of high added value products, the pyrolytic behaviour was studied at ... -
Eco-Friendly Oleogels from Functionalized Kraft Lignin with Laccase SilA from Streptomyces ipomoeae: An Opportunity to Replace Commercial Lubricants
Domínguez, Gabriela; Blánquez, Alba; Borrero López, Antonio María; Valencia Barragán, Concepción; Eugenio, María Eugenia; Arias, María Enriqueta; Rodríguez, Juana; Hernández, Manuel (American Chemical Society, 2021)
This work demonstrates the usefulness of SilA laccase from Streptomyces ipomoeae to functionalize Kraft lignin to be used as a thickener in the preparation of biodegradable oleogels for lubricating purposes. First, ... -
Impact of the processing method on the properties of castor oil/cellulose acetate polyurethane adhesives for bonding wood
Tenorio Alfonso, Adrián; Sánchez Carrillo, María Carmen; Franco Gómez, José María (Elsevier, 2022)
During the last decades, the replacement of the traditionally petro-based raw materials by eco-friendly substances in polyurethane production has become a great challenge. The synthesis of polyurethanes is mainly conducted ... -
Lignocellulosic Materials for the Production of Biofuels, Biochemicals and Biomaterials and Applications of Lignocellulose-Based Polyurethanes: A Review
The present review is devoted to the description of the state-of-the-art techniques and procedures concerning treatments and modifications of lignocellulosic materials in order to use them as precursors for biomaterials, ... -
Thermal and Rheological Properties of Hydrophobic Nanosilica in Sunflower Oil Suspensions at High Pressures
Martín Alfonso, María José; Pozo Hernández, Javier; Delgado Sánchez, Clara; Martínez Boza, Francisco José (MDPI, 2021)
Nowadays, the reduction of the environmental impact associated with the operation of the oil industry is a primary concern. A growing trend is to develop low-toxicity formulations based on biodegradable components. In ... -
Biocompatible and Thermoresistant Hydrogels Based on Collagen and Chitosan
(MDPI, 2022)Hydrogels are considered good biomaterials for soft tissue regeneration. In this sense, collagen is the most used raw material to develop hydrogels, due to its high biocompatibility. However, its low mechanical resistance, ... -
Rheological and Tribological Properties of Nanocellulose-Based Ecolubricants
Fernández Silva, Samuel D.; Fernández Silva, Samuel D.; Delgado Canto, Miguel Ángel; Roman, Claudia; García Morales, Moisés (MDPI, 2021)
Based on the response surface methodology, a rheological and tribological study carried out on eco-friendly lubricants is described. Such ecolubricants consisted of fibrillated or crystalline nanocellulose in vegetable ... -
Effect of Solution Properties in the Development of Cellulose Derivative Nanostructures Processed via Electrospinning
(MDPI, 2022): In the last few years, electrospinning has proved to be one of the best methods for obtaining membranes of a micro and nanometric fiber size. This method mainly consists in the spinning of a polymeric or biopolymeric ... -
Electrospun lignin-PVP nanofibers and their ability for structuring oil
Borrego, María; Martín Alfonso, José Enrique; Sánchez Carrillo, María Carmen; Valencia Barragán, Concepción; Franco Gómez, José María (2021-06-01)
This work explores the electrospinnability of low-sulfonate Kraft lignin (LSL)/polyvinylpyrrolidone (PVP) solutions in N,N-dimethylformamide (DMF) and the ability of the different micro- and nano-architectures generated to ... -
Cognitive Keys in Psychophysical Estimation of Chemosensory Perception in University Students
Martínez Sánchez, Laura María; Parra Martínez, Cecilio; Martínez García, Tomás Eugenio; Martínez García, Concepción (MDPI, 2021)
Psychophysical methods allow us to measure the relationship between stimuli and sensory perception. Of these, Detection Threshold (DT) allows us to know the minimum concentration to produce taste identification. Given this, ... -
Multivalent Calixarene-Based Liposomes as Platforms for Gene and Drug Delivery
Lebrón, José Antonio; López López, Manuel; García Calderón, Clara B.; Rosado, Ivan V.; Balestra, Fernando R.; Huertas, Pablo; Rodik, Roman V.; Kalchenko, Vitaly I.; Bernal, Eva; Moyá, María Luisa; López Cornejo, Pilar; Ostos, Francisco José (MDPI, 2021)
The formation of calixarene-based liposomes was investigated, and the characterization of these nanostructures was carried out using several techniques. Four amphiphilic calixarenes were used. The length of the hydrophobic ... -
Bioethanol Production and Alkali Pulp Processes as Sources of Anionic Lignin Surfactants
Álvarez Barajas, Rodrigo; Cuadri Vega, Antonio Abad; Navarro Domínguez, Francisco Javier; Martínez Boza, Francisco José (MDPI, 2021)
Lignin is an abundant biopolymer with potential value-added applications that depend on biomass source and fractioning method. This work explores the use as emulsifiers of three native lignin-rich product coming from ... -
Influence of Cellulose Characteristics on Pyrolysis Suitability
Eugenio, María Eugenia; Ruiz Montoya, Mercedes; Martín Sampedro, Raquel; Ibarra, David; Díaz Blanco, Manuel Jesús (MDPI, 2021)
: Cellulose is the most abundant component of biomass and the one that requires the most activation energy (Ea) for pyrolysis. In this study, the dependence of Ea on the intrinsic cellulose characteristics, such as the ... -
Toward UV-Triggered Curing of Solvent-Free Polyurethane Adhesives Based on Castor Oil
Borrero López, Antonio María; Guzmán, David B; González-Delgado, José Antonio; Fernández Arteaga, Jesús; Valencia Barragán, Concepción; Pischel, Uwe; Franco Gómez, José María (American Chemical Society, 2021-08-10)
An o-nitrobenzyl-protected precursor was used as a phototrigger for the release of the diamine cadaverine in polyurethane adhesives based on castor oil as a renewable source of polyol and organic diisocyanates. This ... -
Thickening Castor Oil with a Lignin-Enriched Fraction from Sugarcane Bagasse Waste via Epoxidation: A Rheological and Hydrodynamic Approach
Cortés Triviño, Esperanza; Valencia Barragán, Concepción; Franco Gómez, José María (American Chemical Society, 2021-07-23)
Thickening vegetable oils to different extents is of great interest in the design and development of new bio-based lubricant formulations, as achieving a wide range of rheological properties is crucial to the successful ... -
Analysis of Single Board Architectures Integrating Sensors Technologies
Development boards, Single-Board Computers (SBCs) and Single-Board Microcontrollers (SBMs) integrating sensors and communication technologies have become a very popular and interesting solution in the last decade. They ... -
Bioactive pectic polysaccharides from bay tree pruning waste: Sequential subcritical water extraction and application in active food packaging
(Elsevier, 2021)The potential isolation of bio-active polysaccharides from bay tree pruning waste was studied using sequential subcritical water extraction using different time-temperature combinations. The extracted polysaccharides were ... -
Ultrasound extraction optimization for bioactive molecules from Eucalyptus globulus leaves through antioxidant activity
Palma López, Alberto; Díaz Blanco, Manuel Jesús; Ruiz Montoya, Mercedes; Morales Carrillo de Albornoz, Emilio; Giráldez Díaz, Inmaculada (Elsevier, 2021)
Antioxidant products present a very high added value and are demanded in the market. The optimization of their extraction is a high-stakes matter for both economic and environmental points of view. Ultrasound extraction ...
