Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Regina Célia Monteiro de Paula"'
Autor:
José Regilmar Teixeira da Silva, Iranildo Costa Araújo, Eziel Cardoso da Silva, Moisés das Virgens Santana, Geanderson Emilio de Almeida, Emanuel Airton de Oliveira Farias, Laís Ramos Monteiro de Lima, Regina Célia Monteiro de Paula, Durcilene Alves da Silva, Alyne Rodrigues Araújo, Carla Eiras
Publikováno v:
Polímeros, Vol 34, Iss 1 (2024)
Abstract Amburana cearensis tree is used in various applications, from artisanal to pharmaceutical use. However, the gum extracted from its exudate has not yet been investigated. This study aimed to the physicochemical and structural characterization
Externí odkaz:
https://doaj.org/article/e3f89081a11d46319d5bf3ad0f77d410
Autor:
Raimundo Fernandes de Araújo Júnior, George A Lira, Timo Schomann, Rômulo S Cavalcante, Natalia Feitosa Vilar, Regina Célia Monteiro de Paula, Raelle Ferreira Gomes, Chih Kit Chung, Carla Jorquera-Cordero, Olena Vepris, Alan B Chan, Luis J. Cruz
Publikováno v:
Translational Oncology, Vol 31, Iss , Pp 101647- (2023)
Tumour-associated macrophages (TAMs) often promote cancer progression through immunosuppression in the tumour microenvironment (TME). However, the signalling pathways crosstalk responsible for this mechanism remain unclear. The aim of our study was t
Externí odkaz:
https://doaj.org/article/1ad0cf4f16454bd89fc185bf2a381c4e
Autor:
Carlos Pinheiro Chagas de Lima, Andréia Hansen Oster, Fábio Rossi Cavalcanti, Regina Célia Monteiro de Paula, Judith Pessoa Andrade Feitosa
Publikováno v:
Polímeros, Vol 31, Iss 1 (2021)
Abstract Elicitors activate the defense mechanism in plants to resist pathogens. Ulvans and glucuronans can act as elicitors, and their activity seems to be related to the sulfate groups, rhamnose and uronic acid monosaccharides. Chichá gum (CHG), w
Externí odkaz:
https://doaj.org/article/2dedfe4800f44339add32ec58eabab22
Autor:
Aliny Abreu de Sousa Monteiro, Ana Rosa Richter, Jeanny da Silva Maciel, Judith Pessoa Andrade Feitosa, Haroldo César Beserra Paula, Regina Célia Monteiro de Paula
Publikováno v:
Polímeros, Vol 25, Iss spe, Pp 31-39 (2015)
Resumo Esferas de goma do cajueiro carboximetilada e quitosana foram produzidas via complexação polieletrolítica. As esferas foram modificadas quimicamente de modo a obter-se sistemas estáveis em meio ácido e que apresentassem uma resposta de in
Externí odkaz:
https://doaj.org/article/3eb2e2ae262c440c81001c76d79cbaae
Autor:
José Ariévilo Gurgel Rodrigues, Érico Moura Neto, Gustavo Ramalho Cardoso dos Santos, Regina Célia Monteiro de Paula, Paulo Antônio de Souza Mourão, Norma Maria Barros Benevides
Publikováno v:
Acta Scientiarum: Technology, Vol 36, Iss 2, Pp 203-210 (2014)
Researches on structural chemistry of sulfated polysaccharides (SPs) have been mainly focused on red and brown algae. Caulerpa cupressoides var. lycopodium (Chlorophyta) contains three SPs fractions (Cc-SP1, Cc-SP2 and Cc-SP3). Cc-SP1 and Cc-SP2 had
Externí odkaz:
https://doaj.org/article/7772221ab3104746828ba47019126c1e
Autor:
José Ariévilo Gurgel Rodrigues, Érico Moura Neto, Lisandra Antônia Castro Teixeira, Regina Célia Monteiro de Paula, Paulo Antônio de Souza Mourão, Norma Maria Barros Benevides
Publikováno v:
Acta Scientiarum: Technology, Vol 35, Iss 4, Pp 611-619 (2013)
Studies on biopolymers from macroalgae suggested sulfated polysaccharides (SPs) as research agents to investigate events related to haemostasis. Caulerpa cupressoides var. lycopodium is a marine green alga containing three SPs fractions (SP1, SP2 and
Externí odkaz:
https://doaj.org/article/5e74c511f93d44019a8c96552f6b6b33
Autor:
Rodrigo das Neves dos Santos Amorim, José Ariévilo Gurgel Rodrigues, Márjory Lima Holanda, Ana Luíza Gomes Quinderé, Regina Célia Monteiro de Paula, Vânia Maria Maciel Melo, Norma Maria Barros Benevides
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 55, Iss 2, Pp 171-181 (2012)
The aim of this study was to determine the yield, chemical composition, specific rotation (SR), infrared (IR) spectroscopy and the effect on bacterial growth of a crude sulfated polysaccharide (SP) from the red marine alga G. ornata (Go). Go-1 (25°C
Externí odkaz:
https://doaj.org/article/265cd0e6324b4e78b5f794f95f77245a
Autor:
José Ronaldo Vasconcelos Graça, Mirna Marques Bezerra, Vilma Lima, José Ariévilo Gurgel Rodrigues, Diego Levi Silveira Monteiro, Ana Luíza Gomes Quinderé, Rodrigo César das Neves Amorim, Regina Célia Monteiro de Paula, Norma Maria Barros Benevides
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 54, Iss 5, Pp 907-916 (2011)
The aim of this work was to study the effect of Halymenia floresia (Hf) on duodenum contractility, and on experimental protocols of gastric compliance (GC) in rats. Fraction Hf2s exhibited a concentration-dependent myocontractile effect (EC50 12.48
Externí odkaz:
https://doaj.org/article/6149d1f44604411eb376a5139c64fd05
Autor:
José Ariévilo Gurgel Rodrigues, Edfranck de Sousa Oliveira Vanderlei, Érika Façanha Bessa, Francisco de Araújo Magalhães, Regina Célia Monteiro de Paula, Vilma Lima, Norma Maria Barros Benevides
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 54, Iss 4, Pp 691-700 (2011)
The aim of this study was to evaluate certain molecular characteristics of a sulfated polysaccharide (SPs) with anticoagulant properties, isolated from Caulerpa cupressoides (Chlorophyta). Crude SPs were extracted by proteolytic digestion (papain), f
Externí odkaz:
https://doaj.org/article/2da62f94a10243c5b23eb69c26bec123
Autor:
Cláudio Maniglia-Ferreira, Eduardo Diogo Gurgel-Filho, João Batista Araújo Silva Jr, Regina Célia Monteiro de Paula, Judith Pessoa Andrade Feitosa, Brenda Paula Figueiredo de Almeida Gomes, Francisco José de Souza-Filho
Publikováno v:
Brazilian Oral Research, Vol 21, Iss 1, Pp 29-34 (2007)
This study was undertaken to explore the effect of heating on gutta-percha, analyzing the occurrence of endothermic peaks corresponding to the transformation that occurs in the crystalline structure of the polymer during thermal manipulation. This st
Externí odkaz:
https://doaj.org/article/d45c305379c94d799e3c238a68302daf