• Extending this work, immobilised lipases have novel capabilities in the synthesis of sugar esters. (researchgate.net)
  • Recently, reports have emerged detailing lipase-catalyzed synthesis of estolides from free hydroxy fatty acids. (mdpi.com)
  • 2023) "Assessing the potential of green CdO2 nano-catalyst for the synthesis of biodiesel using non-edible seed oil of Malabar Ebony" Fuel, 333, 126492. (showpauloke.com)
  • 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)
  • In this paper, we describe a simple alternative enzymatic process, in which castor oil is directly converted to an estolide mixture by Candida antarctica lipase A (CALA) catalyzed transesterification. (mdpi.com)
  • Also, new micro-reactors allow long-term operation with high substrate concentration (1 mol/L) with the Calb enzyme which can be performed complex transesterification reaction. (chemyx.com)
  • 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)
  • It plays an important role in breaking down the hemicelluloses found in plant biomass due to the many hydrolytic enzymes that it produces, such as lipolase, amylase, xylanase, phytase, and chitinase. (wikipedia.org)
  • Plastics degradation by hydrolytic enzymes: The plastics-active enzymes database-PAZy. (uni-stuttgart.de)
  • 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)
  • Enzymes display their highest catalytic activity in water. (powershow.com)
  • Based on the acetylcholinesterase/choline oxidase dual enzyme-mediated cascade catalytic reactions of Fe(2+)/Fe(3+) transformation, a ratiometric fluorescence sensing scheme is developed. (inra.fr)
  • In this study, we have investigated the use of an agricultural raw material, sugarcane molasses, as the main carbon source for poly(3-hydroxybutyrate) (P(3HB)) production by Bacillus cereus SPV. (westminster.ac.uk)
  • 2023) "Microbiologically influenced corrosion of the ST-37 carbon steel tank by Bacillus licheniformis present in biodiesel blends" Biomass and Bioenergy, 168, 106653. (showpauloke.com)
  • Further, utilizing different lipase specificities, addition of Thermomyces lanuginosus lipase (TLL), allowed the CALA product mixture to be cleaned up by hydrolyzing attached glycerol. (mdpi.com)
  • The fungus has a number of important industrial applications because it produces the largest amounts of hydrolyzing enzymes of any thermophilic fungus. (wikipedia.org)
  • Enzyme immobilisation technology is an effective means to improve sugar ester production through the employment of biocatalysts. (researchgate.net)
  • Nanozeolites have been used as solid supports for enzymes and proteins immobilization, mainly due to their physicochemical properties such as large external surface area, high dispersibility and easy adjustment of their tunable surface properties, especially regarding the surface charge and hydrophilicity/hydrophobicity properties. (unesp.br)
  • Transcriptomic analysis of the two recombinant strains in comparison with the control strain showed that the correct folding of proteins assisted by molecular chaperones played a key role in the improvement of FumDM expression and its enzyme activity. (inra.fr)
  • Total biomass production and waste materials in palm oil industry. (banksolar.ru)
  • Hence the total en-ergy fixed by biomass is estimated to be 13.5×107 kcal/ha year, this being equiva-lent to 15 tons of fuel. (banksolar.ru)
  • The FAEE yields obtained with Nano-X/Ni/0.5M/TLL complexes were above 94% and a strong synergetic effect was detected for this system, since the equivalent amount of the TLL enzyme in its free form has yielded only 9.1% of ethyl esters. (unesp.br)
  • Hence, the results are encouraging and show that sugarcane molasses are a promising carbon source for an economical and commercially viable production of P(3HB). (westminster.ac.uk)
  • 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)
  • The implementation of micro flow reactors in enzymatic processes allow the control of mass transport and can help in enzyme stabilization. (chemyx.com)
  • Processes involving gas reactants require high mass control, for example, tube-in-tube reactors are another type of micro-reactors used in the production of 3-phenylcatechol in a coupled enzymatic system. (chemyx.com)
  • The optimised conditions for sugar fatty acid ester syntheses are 48 h at 2:1 of molar ratio of lactose sugar to capric acid at 55 °C. Furthermore, a high operational stability with half-lives of over 13 and 10 runs was achieved for NER-CRL and Amino-CRL, respectively, indicating the efficiency of the immobilisation process. (researchgate.net)
  • With a very high molar proportion of fatty acid to saccharide when compared to the other studies, the authors suggested that increasing the proportion of fatty acid could negatively affect the lipase conformation due to an acidification of the reaction medium. (researchgate.net)
  • The reaction mixture is analyzed by NMR to determine the estolide number (EN) and MALDI MS to identify individual components, in addition to titration to determine the acid value (AV). Estolide trimers and tetramers (EN 2-3) were formed over 24 h in a system with 2:1 ( v/v ) castor oil-water. (mdpi.com)
  • Thereby, the application of highly specific enzymes allows for a stepwise recovery of highly valuable building blocks from blended plastics or mixed waste streams. (frontiersin.org)
  • The main hindrance in the use of polyhydroxyalkanoates (PHAs) as a replacement for existing petroleum-based plastics is their high production cost. (westminster.ac.uk)
  • Ancestral sequences of a large promiscuous enzyme family correspond to bridges in sequence space in a network representation. (uni-stuttgart.de)
  • In this study, the rumen content from cattle ( Bos taurus ) was investigated regarding synthetic polyester hydrolyzing enzymes based on the fact that the diet of ruminants may contain natural plant polyesters. (frontiersin.org)
  • Bacterial lipases have significant potential to be used as the biocatalyst for many chemical reactions. (ugm.ac.id)
  • Glycolipid surfactants are biocompatible and biodegradable compounds characterized by potential applications in various sectors including pharmaceuticals, cosmetics, agriculture, and food production. (researchgate.net)
  • Isolated enzymes can behave in any form such as in aqueous solution, organic solvents (reduction of activity low) and immobilied (hard to maintain its activity via immobilization). (powershow.com)
  • These enzymes have chemical, environmental, and industrial applications due to their hydrolytic properties. (wikipedia.org)
  • The most obvious usages have been in the food and drink businesses where the production of wine, beer, cheese etc. is dependent on the effects of the microorganisms. (powershow.com)
  • We are confident that a process using crude palm oil (CPO, the product from the oil mill) methylester will stimulate the fermentation rate to produce biodiesel efficiently. (banksolar.ru)
  • The employment of enzymes and whole cells have been important for many industries for centuries. (powershow.com)
  • The carbon source accounts for 50% of the cost for PHA production. (westminster.ac.uk)