Now showing items 1-20 of 92

  • A facile and green method to hydrophobize films of cellulose nanofibrils and silica by laccase-mediated coupling of nonpolar colloidal particles 

    Cusola Aumedes, Oriol; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa; Rojas, Orlando J. (2014-10-01)
    Article
    Restricted access - publisher's policy
    Hydrophobic particles based on dodecyl 3,4,5-trihydroxybenzoate (LG) were coupled onto the surface of cellulose nanofibrils (CNFs) and silica by treatment with a multicomponent colloidal system (MCS) derived from the ...
  • An enzyme-catalysed bleaching treatment to meet dissolving pulp characteristics for cellulose derivatives applications 

    Quintana, Elisabet; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2013-11)
    Article
    Restricted access - publisher's policy
    Bleached cellulose with good end-properties (_90% ISO brightness and 62% cellulose preservation) was obtained by using a totally chlorine-free biobleaching process (TCF). Unbleached sulphite cellulose was treated with ...
  • A new approach to the biobleaching of flax pulp with laccase using natural mediators 

    Fillat Latorre, Amanda; Colom Pastor, José F.; Vidal Lluciá, Teresa (2010-01)
    Article
    Restricted access - publisher's policy
    The phenols syringaldehyde (SA), acetosyringone (AS) and p-coumaric acid (PCA) were used as natural laccase mediators in combination with a laccase from Pycnoporus cinnabarinus to bleach flax fibres. Their performance was ...
  • A new approach to the internal sizing of paper via biotechnological processes 

    García Ubasart, Jordi; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2011)
    Conference report
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    This work deals with the study of a new biotechnological procedure, employing laccase in combination with hydrophobic compounds, for the biomodification of fibres and the internal sizing of paper. Cellulose fibres from ...
  • A new procedure for the hydrophobization of cellulose fibre using laccase and a hydrophobic phenolic compound 

    García Ubasart, Jordi; Colom Pastor, José F.; Vila Babarro, Carlos; Hernández, Núria; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2012-05)
    Article
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    A new biotechnological procedure using laccase in combination with a hydrophobic phenolic compound (lauryl gallate) for the hydrophobization of cellulose fibres and internal sizing of paper was developed. Cellulose fibres ...
  • An improved TCF sequence for biobleaching kenaf pulp: influence of the hexenuronic acid content and the use of xylanase 

    Andreu Terrén, Glòria; Vidal Lluciá, Teresa (2014-01-01)
    Article
    Restricted access - publisher's policy
    Enzymatic delignification with laccase from Trametes villosa used in combination with chemical mediators (acetosyringone, acetovanillone and 1-hydroxybenzotriazole) to improve the totally chlorine-free (TCF) bleaching of ...
  • A novel enzymatic approach to nanocrystalline cellulose preparation 

    Beltramino, Facundo; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa; Valls Vidal, Cristina (2018-06-01)
    Article
    Open Access
    In this work, conditions for an enzymatic pretreatment prior to NCC isolation from cotton linter were assessed. Different cellulase doses and reaction times were studied within an experimental design and NCC were obtained. ...
  • Antioxidant activity of xylooligosaccharides produced from glucuronoxylan by Xyn10A and Xyn30D xylanases and eucalyptus autohydrolysates 

    Valls Vidal, Cristina; Pastor Blasco, Francisco Ignacio Javier; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca; Diaz Lucea, M. Pilar; Martinez, Josefina; Valenzuela Mayorga, Susana Valeria (2018-08-15)
    Article
    Open Access
    Antioxidant activity of xylooligosaccharides (XOS) released from beechwood and birchwood glucuronoxylans by two different xylanases, one from family GH10 (Xyn10A) and another from family GH30 (Xyn30D) was examined. The ...
  • Application of surface enzyme treatments using laccase and a hydrophobic compound to paper-based media 

    Cusola Aumedes, Oriol; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2013-01-11)
    Article
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    A new approach for the hydrophobization of finished cellulosic substrates based on a previously reported enzymatic technique is proposed. Commercial finished paper was hydrophobized by using laccase from Trametes villosa ...
  • Assessing the enzymatic effects of cellulases and LPMO in improving mechanical fibrillation of cotton linters 

    Valls Vidal, Cristina; Pastor Blasco, Francisco Ignacio Javier; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa; Diaz Lucea, M. Pilar; Martinez Soler, Josefina; Valenzuela, Susana V. (2019-06-26)
    Article
    Open Access
    Background: The increasing interest in replacing petroleum-based products by more sustainable materials in the packaging sector gives relevance to cellulose as a biodegradable natural resource. Moreover, its properties can ...
  • Assessing the use of xylanase and laccases in biobleaching stages of a TCF sequence for flax pulp 

    Fillat Latorre, Amanda; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa (2011-12)
    Article
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  • Assessment of the potential of enzymes to produce dissolving pulps 

    Valls Vidal, Cristina; Quintana, Elisabet; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (Universidade de Aveiro, 2018)
    Conference lecture
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    In this work, a totally chlorine free (TCF) sequence including a laccase-mediator system was developed in a softwood sulfite pulp. Then, purification was carried out employing strong alkaline extractions and hydrolytic ...
  • A straightforward bioprocess for a cleaner paper decolorization 

    Valls Vidal, Cristina; Cusola Aumedes, Oriol; Vidal Lluciá, Teresa; Torres López, Antonio Luis; Roncero Vivero, María Blanca (2019-07-17)
    Article
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    A new biotechnological sequence for decolorizing red and black colored paper was developed to reduce the environmental impact of the chemicals used in paper recycling processes. Commercially available low-redox potential ...
  • Bacterial cellulose for increasing barrier properties of paper products 

    Fillat Latorre, Amanda; Martinez, Josefina; Valls Vidal, Cristina; Cusola Aumedes, Oriol; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa; Valenzuela, Susana V.; Diaz Lucea, M. Pilar; Pastor Blasco, Francisco Ignacio Javier (2018-08-07)
    Article
    Open Access
    Bacterial cellulose was combined with wood cellulose papers in order to obtain biomaterials with increased barrier properties. For this purpose, different parameters were assessed: two producing bacterial strains ...
  • Biografting of ferulic acid onto lignocellulosic fibers by the use of laccases 

    Rencoret, Jorge; Aracri, Elisabetta; Gutíerrez, Ana; del Rio Andrade, José Carlos; Torres López, Antonio Luis; Vidal Lluciá, Teresa; Martínez, Ángel T. (2014)
    Conference lecture
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    Laccases can functionalize paper pulps with phenolic compounds but little is known about the formed linkages. Treatment of a high-kappa sisal pulp with Trametes villosa laccase and ferulic acid resulted in strong increases ...
  • Biomodification of cellulose flax fibers by a new cellulase 

    García Ubasart, Jordi; Torres López, Antonio Luis; Vila, Carlos; Pastor, Francisco J.; Vidal Lluciá, Teresa (2013-01)
    Article
    Restricted access - publisher's policy
    The potential of the new cellulase Cel9B from Paenibacillus barcinonensis for the modification of cellulose flax fibers was for the first time assessed in this work. Cel9B treatments were found to enhance the development ...
  • Biorefinery: the paper mill of tomorrow 

    Vidal Lluciá, Teresa; Torres López, Antonio Luis; Valls Vidal, Cristina; Cusola Aumedes, Oriol; Quintana, Elisabet; Andreu Terrén, Glòria; Aracri, Elisabetta; Fillat Latorre, Amanda; García Ubasart, Jordi; Beltramino, Facundo; Clemente Escuin, Antonio; Roncero Vivero, María Blanca (Campus de Terrassa de la UPC, 2013-06-13)
    Conference report
    Open Access
  • Blanqueo de pastas en la industria papelera 

    García Hortal, José Antonio; Vidal Lluciá, Teresa (U.P.C., E.T.S.I.I. de Terrassa, 1984)
    Book
    Open Access
  • Cellulose oxidation by Laccase-TEMPO treatments 

    Quintana, Elisabet; Roncero Vivero, María Blanca; Vidal Lluciá, Teresa; Valls Vidal, Cristina (2017-02-10)
    Article
    Open Access
    In this work, laccase-TEMPO (Lac-T) treatments were applied to bleached commercial dissolving pulp in order to introduce carbonyl and carboxyl groups, which were found to improve dry and wet strength-related properties. ...
  • Coating of laccase-activated phenols for the industrially-feasible functionalization of cellulose-based substrates 

    Cusola Aumedes, Oriol; Valls Vidal, Cristina; Vidal Lluciá, Teresa; Roncero Vivero, María Blanca (2014)
    Conference lecture
    Restricted access - publisher's policy
    The present work describes an innovative method for the hydrophobization of cellulosic material by impregnation with an enzymatically obtained functionalization solution (FS). Application of FS to the surface of previously ...