-
-
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 ...
-
-
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 ...
-
-
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 ...
-
-
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 ...
-
-
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 ...
-
-
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, ...
-
-
Fontana, Aline; Centenaro, Graciela Salete; Palezi, Simone Canabarro; Prentice-Hernández, Carlos
(2009)
The objective of this study was to obtain and evaluate physicochemical and functional properties of protein concentrates from Micropogonias furnieri produced by pH shifting process, using alkaline and acid solubilization ...
-
-
Silva, Diecson Ruy Orsolin da; Avila, Luis Antonio de; Agostinetto, Dirceu; Bundt, Angela Da Cas; Primel, Ednei Gilberto; Barbosa, Sergiane Caldas
(2011)
The objective this study was to monitor pesticide residues in groundwater at three different times and in seven regions producing rice in southern Brazil, in the 2007/08 season. Imazethapyr and fipronil were found in all ...
-
-
Medeiros, Fabiana Oliveira de; Alves, Fernanda Germano; Lisboa, Cristiane Reinaldo; Martins, Daniela de Souza; Burkert, Carlos André Veiga; Kalil, Susana Juliano
(2008)
The optimization of a traditional technique of cellular disruption by abrasion was carried out and a process using ultrasonic waves associated with glass pearls to extract β-galactosidase from Kluyveromyces marxianus ...
-
-
Martins, Bianca Barreto; Bresolin, Leandro; Gervini, Vanessa Carratu; Behm, Mariana Boneberger; Oliveira, Adriano Bof de
(2011)
The reaction of hydroxylamine hydrochloride with isatin in ethanol, catalysed with HCl and neutralized with Na2CO3, yielded the one-dimensional coordination polymer, catena-poly[[[aquasodium]-di-μ-aqua-[aqua ...
-
-
Oliveira, Elisangela Gonçalves de; Duarte, Jéssica; Barros, Kelly Moraes de; Crexi, Valéria Terra; Pinto, Luiz Antonio de Almeida
(2010)
The aim of the study was the optimisation of Spirulina platensis drying on convective hot air through the response surface methodology. The responses were thiobarbituric acid (TBA) and phycocyanin loss percentage values ...
-
-
Cardoso, Liziane Vaz; Tomasini, Débora; Sampaio, Maicon Renato Ferreira; Barbosa, Sergiane Caldas; Kleemann, Natiele; Primel, Ednei Gilberto; Gonçalves, Fábio Ferreira
(2011)
Neste trabalho, foi desenvolvido e validado um método analítico baseado na extração em fase sólida(SPE) e cromatografia líquida acoplada a espectrometria de massas em tandem (LC-APCI-MS/MS)para a determinação e confirmação ...
-
-
Dias, Adriana Neves; Cerqueira, Maristela Barnes Rodrigues; Moura, Renata Rodrigues de; Kurz, Márcia Helena Scherer; Clementin, Rosilene Maria; D'Oca, Marcelo Gonçalves Montes; Primel, Ednei Gilberto
(2012)
This paper describes the optimization of a method of simultaneous determination of glycerides, free and total glycerol in biodiesel ethyl esters from castor oil by using gas chromatography. Changes were proposed for the ...
-
-
Weska, Raquel; Moura, Jaqueline Motta de; Batista, Lucia de Moraes; Rizzi, Jaques; Pinto, Luiz Antonio de Almeida
(Elsevier, 2007)
The use of chitosan in diverse areas is directly related to the polymer’s molecular weight and degree of deacetylation, which depends on the conditions of chitin deacetylation. The aim of the present study consisted of ...
-
-
Kalil, Susana Juliano; Suzan, Rodrigo; Maugeri Filho, Francisco; Rodrigues, Maria Isabel
(2001)
Factorial design and response surface techniques were used to optimize the culture medium for the production of inulinase by Kluyveromyces marxianus. Sucrose was used as the carbon source instead of inulin. Initially, a ...
-
-
Vega, William Renzo Cortez; Fonseca, Gustavo Graciano; Prentice-Hernández, Carlos
(2013)
Surimi is a semi-processed washed fish mince protein concentrate mixed with cryoprotectants for frozen storage, which is the primary constituent of processed foods. Mechanically separated chicken meat (MSCM) is a common ...
-
-
Radmann, Elisangela Martha; Reinehr, Christian Oliveira; Costa, Jorge Alberto Vieira
(2007)
The cyanobacterium Spirulina platensis is extensively used in human nutrition because it is a source of beneficial phenolics, proteins, unsaturated lipids and vitamins. Repeated batch cultivation of photosynthetic ...
-
-
Buffon, Jaqueline Garda; Furlong, Eliana Badiale
(2008)
The objective of this work was to optimize the derivatization reaction for determining deoxynivalenol (DON) by gas chromatography
employing an experimental planning procedure. The factors were: temperature, reaction time, ...
-
-
Santos, Sarita D’Avila dos; Martins, Vilásia Guimarães; Salas-Mellado, Myriam de las Mercedes; Prentice-Hernández, Carlos
(2009)
The enzymatic modification of proteins has been widely studied with the aim of add value to low commercial value fish. The objective of this work was to evaluate and optimize the parameters involved in the production process ...
-
-
Rodrigues, Sherol Acosta; Barbosa, Sergiane Caldas; Furlong, Eliana Badiale; Primel, Ednei Gilberto; Zanella, Renato
(2011)
An evaluation of the pesticides extraction from onion using a modern sample preparation method (QuEChERS) and determination by liquid chromatography tandem mass spectrometry was carried out. All the calibration curves ...