Search Results - "de Castro, H.F."

Magnetized poly(STY-co-DVB) as a matrix for immobilizing microbial lipase to be used in biotransformation by Bento, H.B.S., de Castro, H.F., de Oliveira, P.C., Freitas, L.

“…Magnetized hydrophobic polymeric particles were prepared by suspension polymerization of styrene and divinylbenzene with the addition of magnetite (Fe3O4)…”
Get full text

Kinetic and thermodynamic parameters of volatilization of biodiesel from babassu, palm oil and mineral diesel by thermogravimetric analysis (TG) by Oliveira, L. E., Giordani, D. S., Paiva, E. M., De Castro, H. F., Da Silva, M. L. C. P.

“…The boiling point and volatility are important properties for fuels, as it is for quality control of the industry of petroleum diesel and biofuels. In…”
Get full text

Pseudomonas fluorescens lipase immobilization on polysiloxane–polyvinyl alcohol composite chemically modified with epichlorohydrin by Santos, J.C., Paula, A.V., Nunes, G.F.M., de Castro, H.F.

“…The technique based on sol–gel approach was used to generate silica matrices derivatives by hydrolysis of silane compounds. The present work evaluates a hybrid…”
Get full text

Removal of heavy metals by an Aspergillus terreus strain immobilized in a polyurethane matrix by Dias, M.A., Lacerda, I.C.A., Pimentel, P.F., De Castro, H.F., Rosa, C.A.

“…Aims: The aim was to investigate the biosorption of chromium, nickel and iron from metallurgical effluents, produced by a steel foundry, using a strain of…”
Get full text

Rice Straw as a Support for Immobilization of Microbial Lipase by de Castro, Heizir F., de Lima, Rosemar, Roberto, Inês C.

“…Candida rugosa lipase was covalently immobilized on rice straw activated with glutaraldehyde using poly(ethylene glycol) (PEG) as the stabilizing agent. The…”
Get full text

Immobilized enzyme-driven value enhancement of lignocellulosic-based agricultural byproducts: Application in aroma synthesis by Costa-Silva, T.A., Carvalho, A.K.F., Souza, C.R.F., De Castro, H.F., Bachmann, L., Said, S., Oliveira, W.P.

“…We have combined the advantages of immobilization and spouted bed drying to enhance lipase activity and stability for further use of this enzyme in…”
Get full text

Enhancement lipase activity via immobilization onto chitosan beads used as seed particles during fluidized bed drying: Application in butyl butyrate production by Costa-Silva, T.A., Carvalho, A.K.F., Souza, C.R.F., De Castro, H.F., Bachmann, L., Said, S., Oliveira, W.P.

“…[Display omitted] •Fluidized bed dryer to enzyme immobilization and dehydration by a single step.•The lipase immobilized on glutaraldehyde-activated chitosan…”
Get full text

Highly effective Candida rugosa lipase immobilization on renewable carriers: Integrated drying and immobilization process to improve enzyme performance by Costa-Silva, T.A., Carvalho, A.K.F., Souza, C.R.F., Freitas, L., De Castro, H.F., Oliveira, W.P.

“…The overall stability of Candida rugosa lipase (CRL) was improved via immobilization onto low-cost eco-friendly carriers (agroindustrial wastes) followed by…”
Get full text

Enzymatic Transesterification of Coconut Oil Using Chitosan-Immobilized Lipase Produced by Fluidized-Bed System by Costa-Silva, T. A, Carvalho, A. K. F, Souza, C. R. F, De Castro, H. F, Said, S, Oliveira, W. P

“…This work demonstrated the catalytic performance of Cercospora kikichii lipase immobilized onto chitosan acetate microparticles activated with different…”
Get full text

Enzymatic Synthesis of Biodiesel Using Immobilized Lipase on a Non-commercial Support by Costa-Silva, T. A, Carvalho, A. K. F, Souza, C. R. F, De Castro, H. F, Said, S, Oliveira, W. P

“…In this work was produced an immobilized biocatalyst from Cercospora kikuchii lipase with beneficial catalytic activity and stability. The immobilized…”
Get full text

Immobilisation studies and catalytic properties of microbial lipase onto styrene–divinylbenzene copolymer by de Oliveira, Pedro C, Alves, Gizelda M, de Castro, Heizir F

“…Microbial lipase from Candida rugosa was immobilised by physical adsorption onto styrene–divinylbenzene (STYDVB) copolymer. Two different coupling media were…”
Get full text

Studies on immobilized lipase in hydrophobic sol-gel by Soares, Cleide M F, dos Santos, Onelia A, de Castro, Heizir F, de Moraes, Flavio F, Zanin, Gisella M

“…The hydrolysis of tetraethoxysilane using the sol-gel process was used to produce silica matrices, and these were tested for the immobilization of lipase from…”
Get full text

Characterization and utilization of Candida rugosa lipase immobilized on controlled pore silica by Soares, C.M.F, Castro, H.F. de, Moraes, F.F. de, Zanin, G.M

“…Candida rugosa lipase was immobilized by covalent binding on controlled pore silica (CPS) using glutaraldehyde as crossing agent under aqueous and nonaqueous…”
Get full text

Covalent Coupling Method for Lipase Immobilization on Controlled Pore Silica in the Presence of Nonenzymatic Proteins by Soares, Cleide M. F, Santana, M. Helena A., Zanin, Gisella M., de Castro, Heizir F.

“…Candida rugosa lipase was covalently immobilized on silanized controlled pore silica previously activated with glutaraldehyde in the presence of nonenzymatic…”
Get full text

Wood cellulignin as an alternative matrix for enzyme immobilization by Gomes, F.M, Silva, G.S, Pinati, D.G, Conte, R.A, Castro, H.F. de

“…The objective of this work was to select an efficient methodology for preparing active samples of Candida rugosa lipase immobilized in wood cellulignin, to be…”
Get full text

Characterization of sol-gel bioencapsulates for ester hydrolysis and synthesis by Soares, Cleide M F, de Castro, Heizir F, Itako, Juliana E, de Moraes, Flavio F, Zanin, Gisella M

“…Candida rugosa lipase was entrapped in silica sol-gel particles prepared by hydrolysis of methyltrimethoxysilane and assayed by p-nitrophenyl palmitate…”
Get full text

Esterification activity and stability of Candida rugosa lipase immobilized into chitosan by Pereira, E.B, Castro, H.F. de, Moraes, F.F. de, Zanin, G.M

“…Microbial lipase from Candida rugosa immobilized into porous chitosan beads was tested for esterification selectivity with butanol and different organic acids…”
Get full text

Intensification of lipase performance for long-term operation by immobilization on controlled pore silica in presence of polyethylene glycol by Soares, C.M.F, Castro, H.F. de, Santana, M.H.A, Zanin, G.M

“…In agreement with previous studies, promising results were obtained when lipase was immobilized on controlled pore silica (CPS) in the presence of polyethylene…”
Get full text

Application of factorial design to study of heavy metals biosorption by waste biomass from beverage distillery by Dias, M.A, Rosa, C.A, Linardi, V.R, Conte, R.A, Castro, H.F. de

“…A full factorial design leading to 20 sets of sorption runs was conducted to study the influence of four variables (bleaching earth and biomass concentrations,…”
Get full text

Evaluation of rice straw hemicellulose hydrolysate in the production of xylitol by Candida guilliermondii by Roberto, I.C, Mancilha, I.M, Souza, C.A. de, Felipe, M.G.A, Sato, S, Castro, H.F. de

“…Rice straw was used as a lignocellulosic source to provide rich pentose media. By using a well characterized yeast strain, Candida guilliermondii FTI 20037,…”
Get full text