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Severo, Márcio Garcia; Brito, Kelly de Moraes; Ruiz, Walter Augusto
(2010)
The aim of this work was to study the enzymatic modification on rice flour using lipase pancreatic and amyloglucosidase to obtain resistant starch. For this, Response Surface Methodology (RSM) was used to determine the ...
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Oliveira, Elisangela Gonçalves de; Rosa, Gabriela da Silveira; Moraes, Mariana Agostini de; Pinto, Luiz Antonio de Almeida
(2009)
In recent times, the microalgae Spirulina platensis has been used as a functional ingredient in several food applications; its process involving drying and storage steps. Moisture equilibrium data for adsorption isotherms ...
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Oliveira, Elizangela; Rosa, Gabriela; Moraes, Mariana Agostini de; Pinto, Luiz Antonio de Almeida
(2009)
In recent times, the microalgae Spirulina platensis has been used as a functional ingredient in several food applications; its process involving drying and storage steps. Moisture equilibrium data for adsorption isotherms ...
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Moraes, Mariana Agostini de; Rosa, Gabriela Silveira da; Pinto, Luiz Antonio de Almeida
(Wiley Online Library, 2008)
The moisture equilibrium isotherms of garlic and apple were determined at 50, 60 and 70 °C using the gravimetric static method. The experimental data were analysed using GAB, BET, Henderson–Thompson and Oswin equations. ...
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Rosa, Gabriela Silveira; Moraes, Mariana Agostini de; Pinto, Luiz Antonio de Almeida
(Elsevier, 2010)
The moisture equilibrium isotherms of chitosan were determined at 20, 30, 40, 50 and 60 °C, using the gravimetric static method. Experimental data were analyzed by the GAB, Oswin, Halsey and Smith equations. Isosteric heat ...
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Russowsky, Dennis; Lopes, Fabricio Abella; Silva, Victor da; Canto, Karen Fabiano Santos do; D'Oca, Marcelo Gonçalves Montes; Godoi, Marla Narciso Biajoli
(Communication, 2004)
The ability of SnCl2.2H2O as catalyst to promote the Biginelli three-component condensation reaction from a diversity of aromatic aldehydes, ethyl acetoacetate and urea or thiourea is described. The reaction was carried ...
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Russowsky, Dennis; Lopes, Fabricio Abella; Silva, Victor da; Canto, Karen Fabiano Santos do; D'Oca, Marcelo Gonçalves Montes; Godoi, Marla Narciso Biajoli
(Sociedade Brasileira de Química, 2004)
The ability of SnCl2.2H2O as catalyst to promote the Biginelli three-component condensation reaction from a diversity of aromatic aldehydes, ethyl acetoacetate and urea or thiourea is described. The reaction was carried ...
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Siqueira, Maria Carolina Bulhosa; Gervini, Vanessa Carratu; Oliveira, Leandro; Locatelli, Aline; Oliveira, Adriano Bof de
(2012)
In the title compound, C11H15N3O3S, the C-S-N(H)-N linkage is nonplanar, the torsion angle being 75.70 (12)°. The compound has two almost planar fragments linked to the S atom: the hydrazone-derivative fragment [(HONC4H6)N-N(H)-] ...
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Galiazzi, Maria do Carmo; Gonçalves, Fábio Peres
(2004)
In this paper we discuss the characteristics of experimental activities described by teachers and students in a teaching credentials course in Chemistry. The research pointed out a set of characteristics that seem to favor ...
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Azevedo, Renato Preigschadt de; Foster, Douglas Camargo; Nunes, Raul Ceretta; Kozakevicius, Alice de Jesus
(EDGRAF, 2010)
The network traffic analysis is a fundamental area on network management because the network anomalies may affect the network
quality of service. However, the data network traffic anomalies are still a critical issue. On ...
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Braga, Anna Rafaela Cavalcante; Silva, Marceli Fernandes; Oliveira, José Vladimir de; Treichel, Helen; Kalil, Susana Juliano
(2014)
This study aimed to evaluate B-galactosidase immobilization. For this purpose, the ionic strength of the buffer, reaction time, amount of the immobilization support, and pH were evaluated by a central composite design. ...
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Duarte, Rodrigo da Costa; Ongaratto, Renata; Piovesan, Luciana Almeida; Lima, Vania Rodrigues de; Soldi, Valdir; Merlo, Aloir Antonio; D'Oca, Marcelo Gonçalves Montes
(2012)
This work reports the synthesis of new fatty N-acylamino acids and N-acylamino esters from the C16:0, C18:0, C18:1, and C18:1(OH) fatty acid families and demonstrates the activity of these compounds as organogel agents. ...
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Duarte, Rodrigo da Costa; Ongaratto, Renata; Piovesan, Luciana Almeida; Lima, Vania Rodrigues de; Soldi, Valdir; Merlo, Aloir Antonio; D' Oca, Marcelo Gonçalves Montes
(Elsevier, 2012)
This work reports the synthesis of new fatty N-acylamino acids and N-acylamino esters from the C16:0, C18:0, C18:1, and C18:1(OH) fatty acid families and demonstrates the activity of these compounds as organogel agents. ...
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Silva, Adriano da; Fontana, Éliton; Mariani, Viviana Cocco; Marcondes, Francisco
(2012)
Natural convection in trapezoidal cavities, especially those with two internal baffles in conjunction with an insulated floor, inclined top surface, and isothermal left-heated and isothermal right-cooled vertical walls, ...
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Galiazzi, Maria do Carmo; Rocha, Jusseli Maria de Barros; Schmitz, Luiz Carlos; Souza, Moacir Langoni de; Giesta, Sérgio; Gonçalves, Fábio Peres
(2001)
Neste artigo, apresentamos os resultados de uma investigação coletiva sobre os objetivos
das atividades experimentais no ensino médio, apontando para as possibilidades da pesquisa em sala de aula, como desenvolvimento ...
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Santos, Edmar; Coelho, Regina Célia
(EDGRAF, 2010)
This paper presents a proposal to solve the Inverse Problem of Lindenmayer in the deterministic and
free-context L-system grammar class. The proposal of this paper is to show a methodology that can
obtain an L-system ...
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Padilha, Márcia Elisa da Silva; Ruiz, Walter Augusto
(2010)
Este trabalho teve por objetivo estabelecer um processo para obter e caracterizar os produtos da cristalização das frações do óleo de pescado hidrolisado com lipase reática. A hidrólise enzimática foi realizada em 60 minutos ...
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Moura, Jaqueline Motta de; Ferreira, Andrio Felipe; Silva, Fernando; Rizzi, Jaques; Pinto, Luiz Antonio de Almeida
(FURG, 2005)
A quitina, b-(1-4)-N-acetil-D-glucosamina, é encontrada nos exoesqueletos de crustáceos, na parede celular de fungos e em outros materiais biológicos, e é através dela que se obtém a quitosana, b-(1-4)-Dglucosamina. A ...
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Weska, Raquel; Moura, Jaqueline Motta de; Rizzi, Jaques; Pinto, Luiz Antonio de Almeida
(2007)
A quitosana é um biopolímero derivado da quitina, que é encontrada na carapaça e exoesqueleto de crustáceos e outras fontes. O objetivo deste trabalho foi a obtenção de quitosana a partir de carapaças de siri, sendo esta ...
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Colla, Luciane Maria; Costa, Jorge Alberto Vieira
(2003)
Biossurfactantes são compostos ativos em superfícies produzidos por microrganismos e que têm recebido crescente interesse nas últimas décadas pelas vantagens que possuem sobre os surfactantes químicos,tais como biodegrabilidade, ...