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Assessment of the Tribological Performance of Electrospun Lignin Nanofibrous Web-Thickened Bio-Based Greases in a Nanotribometer
Borrego, María; Kuhn, Erik; Martín Alfonso, José Enrique
; Franco Gómez, José María (MDPI, 2023-10-27)
The tribological performance of novel bio-based lubricating greases thickened with electrospun lignin nanostructures was investigated in a nanotribometer using a steel-steel ball-on-disc configuration. The impact of ... -
Optimizing pyrolysis parameters and product analysis of a fuidized bed pilot plant for Leucaena leucocephala biomass
Clemente Castro, Sergio; Ruiz Montoya, Mercedes; Palma López, Alberto; Giráldez Díaz, Inmaculada; Díaz Blanco, Manuel Jesús (Springer, 2023-10)
This study aimed to optimize the production of bio-oil from Leucaena leucocephala wood using a fluidized bed reactor. Response surface methodology was used to optimize the fast pyrolysis through three operational parameters: ... -
Kraft lignins from different poplar genotypes obtained by selective acid precipitation and their use for the production of electrospun nanostructures
Ibarra, David; García Fuentevilla, Luisa; Rubio Valle, José F.; Martín Sampedro, Raquel; Valencia Barragán, Concepción; Eugenio, María Eugenia (Elsevier, 2023-10)
Kraft lignins from different poplar genotypes (Populus alba L. “PO-10-10-20” and Populus x canadensis “Ballotino”) were isolated by selective acid precipitation (pH 5 and 2.5), chemically and structurally characterized and ... -
Optimization of bioactive compounds by ultrasound extraction and gas chromatography - mass spectrometry in fast-growing leaves
Palma López, Alberto; Ruiz Montoya, Mercedes; Díaz Blanco, Manuel Jesús; Giráldez Díaz, Inmaculada; Morales Carrillo de Albornoz, Emilio (Elsevier, 2023-08-25)
Fast-growing crops are of great economic importance in the production of paper pulp and energy. The commercialization of the bioactive components from underutilized parts could provide additional value to these crops. In ... -
Rheological and phase behaviour of paraffin wax/bitumen blends with thermal storage characteristics
Gutiérrez Blandón, Coraima; Cuadri Vega, Antonio Abad; Tenorio Alfonso, Adrián; Partal López, Pedro; Navarro Domínguez, Francisco Javier (Elsevier, 2023-08-16)
This paper analyses the thermomechanical properties, heat storage characteristics and compatibility of bitumen blends with a paraffin wax, having a melting point around 60 ◦C, as phase change material. To that end, temperature ... -
Comparative study of the combustion, pyrolysis and gasification processes of Leucaena leucocephala: Kinetics and gases obtained
Clemente Castro, Sergio; Palma López, Alberto; Ruiz Montoya, Mercedes; Giráldez Díaz, Inmaculada; Díaz Blanco, Manuel Jesús (Elsevier, 2023-07)
Leucaena leucocephala is a fast-growing leguminous biomass with great energetical and valueadded chemical compounds potential (saccharides, biogas, bio-oil, etc.). Using the thermogravimetric and derivative thermogravimetric ... -
A novel biocompatible polymer derived from D-mannitol used as a vector in the field of genetic engineering of eukaryotic cells
Pérez, David; Bautista Pulido, María; León Bañares, Rosa María; Molina Márquez, Ana; Vila Spinola, Marta; López López, Manuel; López Cornejo, Pilar (Elsevier, 2023-02)
The design and preparation of new vectors to transport genetic material and increase the transfection efficiency continue being an important research line. Here, a novel biocompatible sugar-based polymer derived from ... -
Photofunctional Scope of Fluorescent Dithienylethene Conjugates with Aza-Heteroaromatic Cations
Chen Wu, Jialei; Guzmán, David B; Remón Ruiz, Patricia; González-Delgado, José Antonio; Martínez Martínez, Antonio J.; Nájera, Francisco; Fernández Arteaga, Jesús; Pischel, Uwe (Wiley, 2023-04)
A series of dithienylethene (DTE) photoswitches with aza-heteroaromatic cationic moieties is synthesized. The switches are characterized regarding their photochemical and photophysical properties in acetonitrile and in ... -
Study of CdS/CdS Nanoparticles Thin Films Deposited by Soft Chemistry for Optoelectronic Applications
Carrasco Chávez, Laura Aislinn; Rubio Valle, José F.; Jiménez Pérez, Abimael; Martín Alfonso, José Enrique; Carrillo Castillo, Amanda (MDPI, 2023-05)
Chalcogenides semiconductors are currently being studied as active layers in the development of electronic devices in the field of applied technology. In the present paper, cadmium sulfide (CdS) thin films containing ... -
Valorización de Posos de Café: un Enfoque de Economía Circular
Loaiza Rodríguez, Javier Mauricio; Palma López, Alberto (Universidad de Huelva, 2022)
El alcance de este estudio es demostrar la posible implementación de procesos secuenciales para crear una biorrefinería en cascada eficiente para la valorización de los posos de café con un enfoque de economía circular. ... -
Oleogels and reverse emulsions stabilized by acetylated Kraft lignins
Borrero López, Antonio María; Ling, Wang; Tainise, Lourençon; Valencia Barragán, Concepción; Franco Gómez, José María; Rojas, Orlando J.; Haiming, Li (Elsevier, 2023-05-19)
Acetylated Kraft lignins were evaluated for their ability of structuring vegetable oils into oleogels. Microwaveassisted acetylation was used to adjust lignin's degree of substitution according to reaction temperature (130 ... -
Non-bituminous binders formulated with bio-based and recycled materials for energy-efficient roofing applications
Álvarez Barajas, Rodrigo; Cuadri Vega, Antonio Abad; Delgado Sánchez, Clara; Navarro Domínguez, Francisco Javier; Partal López, Pedro (Elsevier, 2023-02)
Non-bituminous binders have been designed as potential roofing materials with sustainable characteristics. To that end, three bio-based rosin esters (R), a waste cooking oil (O) and a recycled polyethylene from greenhouse ... -
Controlling superstructure formation and macro-scale adhesion via confined evaporation of cellulose nanocrystals
(Springer, 2022)The self-assembly of cellulose nanocrystals can tether their interfacial interactions and the associated properties of their constructs. For instance, assemblies of highly aligned cellulose nanocrystals (CNCs) bear improved ... -
Assessment of the structures contribution (crystalline and mesophases) and mechanical properties of polycaprolactone/pluronic blends
Tenorio Alfonso, Adrián; Vázquez Ramos, Esteban; Martinez García, Inmaculada; Ambrosi, M.; Raudino, M. (Elsevier, 2023)
Films of biodegradable blends of polycaprolactone (PCL) and Pluronics F68 and F127 were manufactured by an industrial thermo-mechanical process to be applied as potential delivery systems. The effects of Pluronics on ... -
Biomass Production and Quality of Twelve Fast-Growing Tree Taxa in Short Rotation under Mediterranean Climate
Alaejos Gutiérrez, Joaquín; Tapias Martín, Raúl; López Baldovín, Francisco; Romero Gómez, David; Ruiz, Federico; Fernández Martínez, Manuel (MDPI, 2023-06)
Sustainable production of lignocellulosic biomass for energy use can contribute to climate change mitigation. This work aims to compare the biomass production of twelve fast-growing woody taxa belonging to the Eucalyptus, ... -
D-amino acid peptides as antimicrobial agents against vibrio-associated diseases in aquaculture
López Sanmartín, Montserrat; Rengel Domínguez, Rocío; López López, Manuel; Lebrón, José Antonio; Molina Márquez, Ana; Rosa Lucas, Ignacio de la; López Cornejo, Pilar; Cuesta, Alberto; Vigara Fernández, Javier; León Bañares, Rosa María (Elsevier, 2023)
Vibriosis is one of the most usual infection diseases in bivalve mollusks, particularly affecting seeds and larvae, which are more susceptible than adults to these bacterial infections. The devastating effect of vibriosis ... -
Chitosan-based hydrogels obtained via photoinitiated click polymer IPN reaction
Sánchez Cid, Pablo; Romero, Alberto; Díaz Blanco, Manuel Jesús; Paz Bañez, María Violante de; Pérez Puyana, Víctor (Elsevier, 2023-03)
Chitosan (CTS) is a polysaccharide with a wide variety of applications in the biomedical field, owing to its outstanding disinfectant properties, biocompatibility and biodegradability, but with limited mechanical properties. ... -
Desarrollo de nanocomposites de lignina/acetato de celulosa con una potencial aplicación como agente espesante en la elaboración de grasas lubricantes
Rubio Valle, José F.; Martín Alfonso, Manuel Antonio; Valencia Barragán, Concepción; Martín Alfonso, José Enrique; Franco Gómez, José María (Asociación Española de Dirección e Ingeniería de Proyectos (AEIPRO), 2022)
El presente trabajo se centra en el desarrollo de nanocomposites de lignina kraft de eucalipto (EKL)/acetato de celulosa (CA) empleando la técnica de electrohilado, dichas nanoestructuras tienen una potencial aplicación ... -
Different Kraft lignin sources for electrospun nanostructures production: Influence of chemical structure and composition
García Fuentevilla, Luisa; Rubio Valle, José F.; Martín Sampedro, Raquel; Valencia Barragán, Concepción; Eugenio, María Eugenia; Ibarra, David (Elsevier, 2022-06)
This work focuses on the structural features and physicochemical properties of different Kraft lignins and how they can influence the electrospinning process to obtain nanostructures. Structural features of Kraft lignins ...
