Search Results - "Maria Helena M. Rocha-Leao"

Waste soybean frying oil for the production, extraction, and characterization of cell-wall-associated lipases from Yarrowia lipolytica by Nunes, Patrícia M. B., Fraga, Jully L., Ratier, Rafael B., Rocha-Leão, Maria Helena M., Brígida, Ana I. S., Fickers, Patrick, Amaral, Priscilla F. F.

“…The lipolytic yeast Yarrowia lipolytica produces cell-wall-associated lipases, namely Lip7p and Lip8p, that could have interesting properties as catalyst…”
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Chlorhexidine-loaded hydroxyapatite microspheres as an antimicrobial delivery system and its effect on in vivo osteo-conductive properties by Soriano-Souza, Carlos Alberto, Rossi, Andre L., Mavropoulos, Elena, Hausen, Moema A., Tanaka, Marcelo N., Calasans-Maia, Mônica D., Granjeiro, Jose M., Rocha-Leão, Maria Helena M., Rossi, Alexandre M.

“…Hydroxyapatite (HA) has been investigated as a delivery system for antimicrobial and antibacterial agents to simultaneously stimulate bone regeneration and…”
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Studies on the volatile fraction composition of three native Amazonian-Brazilian fruits: Murici (Byrsonima crassifolia L., Malpighiaceae), bacuri (Platonia insignis M., Clusiaceae), and sapodilla (Manilkara sapota L., Sapotaceae) by Uekane, Thais M., Nicolotti, Luca, Griglione, Alessandra, Bizzo, Humberto R., Rubiolo, Patrizia, Bicchi, Carlo, Rocha-Leão, Maria Helena M., Rezende, Claudia M.

“…[Display omitted] •Two extraction techniques for identify volatile compounds in Amazonian fruits.•Identification for the first time of volatile compounds in…”
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Characterization of a chitosan sample extracted from Brazilian shrimps and its application to obtain insoluble complexes with a commercial whey protein isolate by Bastos, Daniele S., Barreto, Bianca N., Souza, Hiléia K.S., Bastos, Margarida, Rocha-Leão, Maria Helena M., Andrade, Cristina T., Gonçalves, Maria Pilar

“…The rheological behaviour of chitosan solutions in 250 mM acetate buffer was studied at different pHs (25 °C). The intrinsic viscosity decreased from ∼17 dL/g…”
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Adsorption of chlorhexidine on synthetic hydroxyapatite and in vitro biological activity by Souza, Carlos A. Soriano de, Colombo, Ana Paula V., Souto, Renata M., Silva-Boghossian, Carina M., Granjeiro, Jose M., Alves, Gutemberg G., Rossi, Alexandre M., Rocha-Leão, Maria Helena M.

“…[Display omitted] ► Adsorption of CHX on HA was modeled by a combination of Languimir and Langmuir–Freundlich mechanisms. ► Long-range molecular structures,…”
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Quality evaluation of grape juice concentrated by reverse osmosis by Gurak, Poliana D., Cabral, Lourdes M.C., Rocha-Leão, Maria Helena M., Matta, Virgínia M., Freitas, Suely P.

“…The objective of this work was to evaluate the concentration of grape juice by reverse osmosis (RO). Preliminarily, a factorial design was carried out in which…”
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Optimization of oxygen mass transfer in a multiphase bioreactor with perfluorodecalin as a second liquid phase by Amaral, Priscilla F.F, Freire, Mara G, Rocha-Leão, Maria Helena M, Marrucho, Isabel M, Coutinho, João A.P, Coelho, Maria Alice Z

“…Oxygenation is an important parameter involved in the design and operation of mixing-sparging bioreactors and it can be analyzed by means of the oxygen mass…”
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Beneficial effects of enhanced aeration using perfluorodecalin in Yarrowia lipolytica cultures for lipase production by FONSECA AMARAL, Priscilla F, DE ALMEIDA, Ana Paula R, PEIXOTO, Tathiana, ROCHA-LEAO, Maria Helena M, COUTINHO, Joao A. P, COELHO, Maria Alice Z

“…The inadequate supply of oxygen to biomass is a critical factor to the productivity of most aerobic submerged fermentations. This happens because oxygen is…”
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Improving lipase production using a perfluorocarbon as oxygen carrier by Amaral, Priscilla FF, Rocha-Leão, Maria Helena M, Marrucho, Isabel M, Coutinho, João AP, Coelho, Maria Alice Z

“…Perfluorodecalin, a perfluorocarbon (PFC), was used as an oxygen vector in culture media to enhance lipase productivity by increasing the oxygen availability…”
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Characterization of short chain fatty acid microcapsules produced by spray drying by Teixeira, Maria Inês, Andrade, Leonardo R., Farina, Marcos, Rocha-Leão, Maria Helena M.

“…Microcapsules containing short chain fatty acids (SCFA) were produced by spray drying technique using different proportions of gum arabic and maltodextrin as…”
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Comparison of α-tocopherol microparticles produced with different wall materials: pea protein a new interesting alternative by Pierucci, Anna Paola T. R., Andrade, Leonardo R., Farina, Marco, Pedrosa, Cristiana, Rocha-Leão, Maria Helena M.

“…α-Tocopherol is a radical chain breaking antioxidant that can protect the integrity of tissues and play an important role in life process. Microparticles…”
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New microencapsulation system for ascorbic acid using pea protein concentrate as coat protector by Pierucci, Anna Paola T. R., Andrade, Leonardo R., Baptista, Edilene B., Volpato, Nádia Maria, Rocha-Leão, Maria Helena M.

“…Microencapsulation is essential to preserve biological activity of ascorbic acid (AA) and pea protein has not been used as a carrier in such processes. This…”
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Sulfur aroma compounds in gum Arabic/maltodextrin microparticles by Uekane, Thais M., Costa, Ana Carolina P., Pierucci, Anna Paola T.R., da Rocha-Leão, Maria Helena M., Rezende, Claudia M.

“…The sulfur compounds 2-furfurylthiol (2FFT), dimethyl disulfide (DMDS) and thiophene (THIO) are important sulfur contributors to roasted coffee aromas. Their…”
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Electrical stimulation of saccharomyces cerevisiae cultures by Araújo, Ofelia Q.F.(Universidade Federal do Rio de Janeiro Escola de Química Centro de Tecnologia), Coelho, Maria Alice Z.(Universidade Federal do Rio de Janeiro Escola de Química Centro de Tecnologia), Margarit, Isabel C.P.(Universidade Federal do Rio de Janeiro Escola de Química Centro de Tecnologia), Vaz-Junior, Carlos A.(Universidade Federal do Rio de Janeiro Escola de Química Centro de Tecnologia), Rocha-Leão, Maria Helena M.(Universidade Federal do Rio de Janeiro Escola de Química Centro de Tecnologia)

“…Modulation of cell endogenous membrane potential by an external electrical field influences the structure and function of membrane compartments, proteins and…”
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Removal of skim milk lactose by fermentation using free and immobilized Kluyveromyces marxianus cells by DE CARVALHO LINS, Angela, ROCHA LEAO, Maria Helena M

“…Kluyveromyces marxianus CBS 6164 cells, free or immobilized in Ca-alginate (2%) beads, are able to consume more than 99% of the skim milk lactose in anaerobic…”
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Physicochemical Characteristics of Milk By-products by Roberta Meneses, Leonardo Maciel, Maria Helena M. Rocha-Leao, Carlos Adam Conte-Junior

“…The physicochemical characteristics of milk by-product should be assessed by dairy industry to evaluate the potential of different types of wheys to become…”
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Optimization of Penicillin G Microencapsulation with OSA Starch by Factorial Design by G. Fontes, P. Finotelli, A. Rossi, M.H. Rocha-Leao

“…The purpose of this study was to develop a system for sustained release of penicillin G (PenG) from alginate matrix microbeads for future application in…”
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Encapsulation of Wine Industry By-product by Ionotropic Gelling for a Wheat Beer by Anna Carolyna Goulart Vieira, Gabriel A. Jong, Adejanildo Da S. Pereira, Gizele C. Fontes-Sant'Ana, Renata V. Tonon, Priscilla F.F. Amaral, Maria Helena M. Rocha-Leao

“…Best encapsulation conditions of wine industry by-products (WIBP) with sodium alginate by ionotropic gelling with Ca2+ ions were selected by a 24 central…”
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Comparison of a-tocopherol microparticles produced with different wall materials: pea protein a new interesting alternative by Pierucci, Anna Paola T R, Andrade, Leonardo R, Farina, Marco, Pedrosa, Cristiana, Rocha-Leao, Maria Helena M

“…a-Tocopherol is a radical chain breaking antioxidant that can protect the integrity of tissues and play an important role in life process. Microparticles…”
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Beneficial effects of enhanced aeration using perfluorodecalin in @@iYarrowia lipolytica@ cultures for lipase production by Amaral, Priscilla FFonseca, Almeida, Ana Paula R, Peixoto, Tathiana, Rocha-Leao, Maria Helena M, Coutinho, Joao AP, Coelho, Maria Alice Z

“…The inadequate supply of oxygen to biomass is a critical factor to the productivity of most aerobic submerged fermentations. This happens because oxygen is…”
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