• Spent coffee grounds were treated to obtain suitable carriers for both physical and covalent immobilization of Candida rugosa lipase. (uniroma1.it)
  • In the present study, immobilisation of Candida rugosa (CRL) lipase onto amino-activated mica is performed via covalent bonding (namely Amino-CRL) and the cross-linking of lipases into nano-reactors through physical adsorption (namely NER-CRL). (researchgate.net)
  • Other enzymes and lipases from other microorganisms were also tested in the biocatalytic esterification of mono-and disaccharides. (researchgate.net)
  • In 1993, Monsan returned to INSA Toulouse to lead a research group focusing on the discovery, characterisation and molecular engineering of enzymes, including glucansucrases and lipases. (wikipedia.org)
  • His fundamental includes investigation of structure-activity relationships of enzymes, (particularly glycoside hydrolases and lipases), and enzyme discovery by functional metagenomics. (wikipedia.org)
  • The results have indicated the nature and concentration of the divalent cations solutions have played a significant role and strongly affected the amount and the enzymatic activity of the immobilized enzymes. (unesp.br)
  • For the free and immobilized system, the enzymes retained 32% and 92% of their initial activities, respectively, at the end of 48 days of storage. (gazi.edu.tr)
  • The optimized immobilized biocatalyst obtained by adsorption mechanism showed up to 33 U∙g-1 of immobilized enzyme activity, and a higher pH, thermal, and storage stability than the free lipase. (uniroma1.it)
  • The zeolitic materials were used as a solid supports for the immobilization of fungal Rhizomucor miehei (RML) and Thermomyces lanuginosus (TLL) lipases and the catalytic potential of these nanozeolite-enzyme complexes were explored in the transesterification reactions of oil palm oil and microalgae aiming the biodiesel production for biodiesel production using ethanol as solvent. (unesp.br)
  • The best catalytic performance were obtained with the TLL enzyme immobilized on Nano-X supports ion exchanged with nickel sulfate 0.5 mol.L-1 (Nano-X/Ni/0.5M-TLL). (unesp.br)
  • In the first case, physical adsorption was directly performed after water/organic solvent extraction of the interferents from the support, while in the second case the delignification and the activation of the support with glutaraldehyde or KIO4 were necessary. (uniroma1.it)
  • Immobilisation d'enzymes à l'aide de glutaraldehyde (PhD Thesis). (wikipedia.org)
  • Extending this work, immobilised lipases have novel capabilities in the synthesis of sugar esters. (researchgate.net)
  • Free and immobilised lipases were tested for their esterification activities. (researchgate.net)
  • The temperature range generally oscillates between 40 °C and 60 °C, a characteristic interval of the immobilized form, which usually guarantees better conditions because it is more stable than the free form. (researchgate.net)
  • C, a characteristic interval of the immobilized form, which usually guarantees better conditions because it is more stable than the free form. (researchgate.net)
  • Each immobilization method was investigated to obtain the best insoluble biocatalyst immobilized activity, efficiency, and recovery. (uniroma1.it)
  • A series of gelatin hydrogels were prepared by crosslinking method using glutaraldehyde (GA). The hydrogels were characterized by gel formation, swelling/degradation tests, and FTIR analysis. (gazi.edu.tr)
  • Till date, studies that investigated the effect of glutaraldehyde concentration on catalytic efficacy of biocatalyst developed with silica-derived from oil palm leaves (OPL) as support, are unknown. (ugm.ac.id)
  • Herein, the effect of glutaraldehyde concentration on the catalytic efficacy of immobilized CRL was assessed by the enzymatic production of butyl butyrate as a model. (ugm.ac.id)
  • Glutaraldehyde is widely used for lipase immobilization while the appropriate strategy optimizes the catalytic performance of lipase. (mysciencework.com)
  • In this paper, the A. fumigatus α-amylase had been immobilized onto zeolite/chitosan hybrid to improve its thermal-stabilization for industrial needs. (ijournalse.org)
  • Fourier transform infrared (FTIR) spectra and immobilization parameters indicated that covalent bound CRL on functionalized OPL-derived silica-magnetite composite activated with 4% (v/v) glutaraldehyde solution (100 mM, pH 7.0) (CRL/G/A/SiO 2 -M) and pretreated in toluene, resulted in a protein loading and an immobilization yield of 68.3 mg/g and 74.3%, respectively. (ugm.ac.id)
  • 20 ] immobilized laccase on magnetic mesoporous silica microspheres and used it to treat coking wastewater. (researchsquare.com)
  • An overview of technologies for immobilization of enzymes and surface analysis techniques for immobilized enzymes. (ijournalse.org)
  • 21 ] immobilized laccase on zeolite (NZ) - graphene oxide (GO) composite nanoparticles as a carrier to prepare a novel nano biocatalyst for degradation of Direct Red 23 organic pollutants. (researchsquare.com)
  • The results showed that the activity of immobilized laccase by two-step method (2977.5 U/g) was much higher than that by one-step method (239.5 U/g). (researchsquare.com)