Browsing by Subject "Lignin"
Now showing items 1-19 of 19
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3D-printed polymer-infiltrated ceramic network with antibacterial biobased silver nanoparticles
(American Chemical Society, 2022-01-01)
Article
Restricted access - publisher's policyThis work aimed at the antimicrobial functionalization of 3D-printed polymer-infiltrated biomimetic ceramic networks (PICN). The antimicrobial properties of the polymer-ceramic composites were achieved by coating them with ... -
Anaerobic co-digestion of acetate-rich with lignin-rich wastewater and the effect of hydrotalcite addition
(2016-10-01)
Article
Open AccessThe methane potential and biodegradability of different ratios of acetate and lignin-rich effluents from a neutral sulfite semi-chemical (NSSC) pulp mill were investigated. Results showed ultimate methane yields up to 333 ... -
Analysis of lignin content in alkaline treated hemp fibres: thermogravimetric studies and determination of kinetics of delignification
(2021)
Conference lecture
Restricted access - publisher's policyThe ease of cultivation, structure and properties of hemp (Cannabis sativa L.), provide it a great potential for industrial applications; nevertheless, the unfavourable high content of lignin complicates its processing, ... -
Analysis of lignin content in alkaline treated hemp fibres: thermogravimetric studies and determination of kinetics of different decomposition steps
(2021-09-02)
Article
Open AccessHemp (Cannabis sativa L.) is a plant of which, its ease of cultivation, structure and properties, provide it great potential for industrial applications; nevertheless, the unfavorable content of lignin complicates its ... -
Effect of residual lignin and heteropolysaccharides in nanofibrillar cellulose and nanopaper from wood fibers
(2012-12)
Article
Restricted access - publisher's policyUnbleached (UN), oxygen-delignified and fully-bleached (FB) birch fibers with a residual lignin content of ca. 3, 2 and\1 %, respectively, were used to produce nanofibrillated cellulose (NFC) and nanopaper by using an ... -
Estudi d'aplicació de la lignina: d’un residu a un producte d’alt valor afegit
(Universitat Politècnica de Catalunya, 2016-06)
Bachelor thesis
Restricted access - author's decisionLa lignina és un polímer que constitueix un dels principals components dels vegetals, en concret els fusters, la seva funció principal dins de la planta és de protecció física (proporciona rigidesa) i protecció química ... -
Estudio del sistema de tratamiento enzimático de fibras de cáñamo con mediador HBT
(Universitat Politècnica de Catalunya, 2018-05)
Bachelor thesis
Restricted access - author's decision -
Extraction of cellulose with alkaline treatment from straw biomass under microwave heating
(Universitat Politècnica de Catalunya, 2019-04-24)
Bachelor thesis
Restricted access - author's decision
Covenantee: Escola Superior Agrária de Coimbra -
Funcionalización de piezas de zirconia fabricadas por impresión 3D con nanopartículas de plata y lignina
(Universitat Politècnica de Catalunya, 2021-07-06)
Bachelor thesis
Open AccessEls propòsits d’aquest treball són la caracterització d’un material ceràmic-polimèric biocompatible emprat en aplicacions dentals, i la integració de les nanopartícules de plata en el sistema híbrid i la seva caracteritz ... -
Hybrid tellurium-lignin nanoparticles with enhanced antibacterial properties
(2021-04-07)
Article
Open AccessThe surge of antibiotic-resistant bacteria is leading to the loss of antibiotic treatment effectiveness, resulting in prolonged infections and even death. Against this healthcare threat, antimicrobial nanoparticles that ... -
Kinetics of alkaline delignification of hemp and determination of lignin content by thermogravimetry
(2022-04-28)
Article
Restricted access - publisher's policyRaw hemp (Cannabis sativa L.) was subjected to alkaline delignification with the application of NaOH ranging from [0.125M] to [1M] for times from 5 to 480¿min. Lignin contents of the original and delignified samples were ... -
Laccase-mediated coupling of nonpolar chains for the hydrophobization of lignocellulose
(2013-04-09)
Article
Restricted access - publisher's policyWe investigate the use of laccase enzymes to couple short nonpolar chains containing aromatic groups onto flax fibers and nanofibrillated cellulose (NFC) with different lignin contents. Trametes villosa, Pycnoporus ... -
Materials a base de partícules de lignina consolidats amb nanofibres de cel·lulosa: aplicació com a membranes de microfiltració antioxidant
(OmniaScience, 2020-01-31)
Conference report
Open AccessEn aquest treball introduïm un nou tipus de membrana a base de partícules mitjançant la combinació de partícules de lignina (PL) i nanofibres de cel·lulosa (NFC), les quals s’introdueixen en fraccions de petit volum. Les ... -
Particulate coatings via evaporation-induced self-assembly of polydisperse colloidal lignin on solid interfaces
(2018-05-02)
Article
Restricted access - publisher's policyPolydisperse smooth and spherical biocolloidal particles were suspended in aqueous media and allowed to consolidate via evaporation-induced self-assembly. The stratification of the particles at the solid–air interface was ... -
Seed abscission and fruit dehiscence required for seed dispersal rely on similar genetic networks
(2016)
Article
Open AccessSeed dispersal is an essential trait that enables colonization of newfavorable habitats, ensuring species survival. In plants with dehiscentfruits, such asArabidopsis, seed dispersal depends on two processes:the separation ... -
Sonochemically synthesized nanocarriers of antibacterial applications
(Universitat Politècnica de Catalunya, 2022-06-30)
Bachelor thesis
Restricted access - author's decisionLignin, the main natural aromatic polymer, has always attracted the attention of researchers. Lignin, which has a very high efficiency and low cost for biomaterials, constitutes 90% of the choices for biomaterial production. ... -
Study of the effect of lignin to a nanocellulose film
(Universitat Politècnica de Catalunya, 2019-06-10)
Bachelor thesis
Open AccessCellulose is the most common material in nature, that is mostly used in the production of paper. Studies with this product have developed a series of sub products that have interesting properties in a variety of applications. ... -
Targeting intracellular mycobacteria using nanosized niosomes loaded with antibacterial agents
(2021-08-01)
Article
Open AccessBackground: Pathogenic intracellular mycobacteria are challenging to treat because of the waxy and complex cell wall characterizing the genus. Niosomes are vesicles with biomimetic cell membrane composition, which allow ... -
The delignification of hemp trough the enzyme laccase with mediator HBT: with the addition of a bleaching process of pre-treated hemp with hydrogen peroxide
(Universitat Politècnica de Catalunya, 2021-06-28)
Bachelor thesis
Restricted access - author's decision
Covenantee: Odisee VZWThe purpose of this project was to get a better understanding of the delignification kinetics of the enzyme laccase with the mediator HBT (Hydroxybenzotriazole) on hemp and lignin as a substrate. The end goal was to find ...
