Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Silvana Saker-Sampaio"'
Autor:
RAFAEL PEREIRA, ANNA L. PEREIRA, MARCILIO M. FERREIRA, RAQUEL O.S. FONTENELLE, SILVANA SAKER-SAMPAIO, HÉLCIO S. SANTOS, PAULO N. BANDEIRA, MAYRON A. VASCONCELOS, JOSÉ A.N. QUEIROZ, RAIMUNDO BRAZ-FILHO, EDSON H. TEIXEIRA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 91, Iss 2 (2019)
Abstract: This study evaluated the antibacterial, antifungal, and antioxidant effect of 7-hydroxy-4’,6-dimethoxy-isoflavone and essential oil of Myroxylon peruiferum. The compound was isolated and its structure elucidated by NMR. The chemical compo
Externí odkaz:
https://doaj.org/article/530a9b80258e4543bb43c3049ef804b8
Autor:
Rebeca Larangeira Lima, Kelma Maria dos S. Pires-Cavalcante, Daniel Barroso Alencar, Francisco Analdo Viana, Alexandre Holanda Sampaio, Silvana Saker-Sampaio
Publikováno v:
Acta Scientiarum: Technology, Vol 38, Iss 2, Pp 247-255 (2016)
The aim of the present research was to evaluate the antioxidant activity of six species of marine algae (Caulerpa cupressoides, Ulva fasciata, Amansia multifida, Cryptonemia crenulata, Dictyota dichotoma and Sargassum vulgare) collected in 2011 at Pa
Externí odkaz:
https://doaj.org/article/e603106246f945be97b614c22b4db32e
Autor:
DANIEL B. DE ALENCAR, JAÉCIO C. DINIZ, SIMONE A.S. ROCHA, KELMA M.S. PIRES-CAVALCANTE, REBECA L. DE LIMA, KAROLINA C. DE SOUSA, JEFFERSON O. FREITAS, RAYSSA M. BEZERRA, BÁRBARA M. BARACHO, ALEXANDRE H. SAMPAIO, FRANCISCO A. VIANA, SILVANA SAKER-SAMPAIO
Publikováno v:
Anais da Academia Brasileira de Ciências, Iss 0 (2018)
ABSTRACT This study evaluated the chemical composition and antioxidant activity of fatty acids from the marine red algae Pterocladiella capillacea (S. G. Gmelin) Santelices & Hommersand 1997 and Osmundaria obtusiloba (C. Agardh) R. E. Norris 1991. Th
Externí odkaz:
https://doaj.org/article/f34ec1c4a45043f48bf21c1c7d9caafd
Autor:
Raniere M. Moura, Arthur A. Melo, Rômulo F. Carneiro, Cícera R.f. Rodrigues, Plínio Delatorre, Kyria S. Nascimento, Silvana Saker-Sampaio, Celso S. Nagano, Benildo S. Cavada, Alexandre H. Sampaio
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 87, Iss 2, Pp 973-984 (2015)
Twenty species of marine invertebrates from the Brazilian coast were screened for hemagglutinating/hemolytic activity. In at least twelve tested species, hemagglutinating activity was different for different blood types, suggesting the presence of le
Externí odkaz:
https://doaj.org/article/e1d971871071475d9bb375319feca71a
Autor:
DANIEL B. ALENCAR, ARTHUR A. MELO, GISELLE C. SILVA, REBECA L. LIMA, KELMA M.S. PIRES-CAVALCANTE, RÔMULO F. CARNEIRO, ADRIANA S. RABELO, OSCARINA V. SOUSA, REGINE H.S.F. VIEIRA, FRANCISCO A. VIANA, ALEXANDRE H. SAMPAIO, SILVANA SAKER-SAMPAIO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 87, Iss 2, Pp 1113-1123 (2015)
Marine invertebrates are capable of synthesizing bioactive compounds, which may be beneficial to human health. The aim of this study was to evaluate the antioxidant, hemolytic, antimicrobial and cytotoxic activities of crude extract (70% EtOH), and d
Externí odkaz:
https://doaj.org/article/3b33e5683f874e90b7612d7c3a9f8eb5
Autor:
DANIEL B. DE ALENCAR, SUZETE R. DA SILVA, KELMA M.S. PIRES-CAVALCANTE, REBECA L. DE LIMA, FRANCISCO N. PEREIRA JÚNIOR, MÁRCIA B. DE SOUSA, FRANCISCO A. VIANA, CELSO S. NAGANO, KYRIA S. DO NASCIMENTO, BENILDO S. CAVADA, ALEXANDRE H. SAMPAIO, SILVANA SAKER-SAMPAIO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 86, Iss 1, Pp 251-263 (2014)
Natural antioxidants found in marine macroalgae are bioactive compounds known to play an important role in the prevention of diseases associated with aging cells protecting them against the oxidative damage. The purpose of this study was to evaluate
Externí odkaz:
https://doaj.org/article/a62db6afa26144d782c9ae9a0b023561
Autor:
Daniel Barroso de Alencar, Kelma Maria dos Santos Pires-Cavalcante, Márcia Barbosa de Sousa, Francisco Arnaldo Viana, Silvana Saker-Sampaio
Publikováno v:
Revista Ciência Agronômica, Vol 42, Iss 2, Pp 349-353 (2011)
Muitas aminas são comumente encontradas em alimentos de origem vegetal e animal, porém apenas um pequeno número é de interesse por produzirem reações adversas se ingeridas e absorvidas no organismo humano. Dentre elas, a histamina e a tiramina
Externí odkaz:
https://doaj.org/article/f41ce3d4a998436c803face6b4c8ea2f
Autor:
Daniel Barroso de Alencar, Kelma Maria dos Santos Pires-Cavalcante, Jefferson Pablo de Souza Saboya, Márcia Barbosa de Sousa, Wladimir Ronald Lobo Farias, Silvana Saker-Sampaio
Publikováno v:
Ciência e Agrotecnologia, Vol 35, Iss 2, Pp 386-391 (2011)
A cianobactéria Spirulina tem sido utilizada há séculos, tendo em vista suas propriedades nutricionais e medicinais. Neste trabalho, objetivou-se analisar os teores de β-caroteno tanto em suplementos alimentares a base de Spirulina comercializado
Externí odkaz:
https://doaj.org/article/2c4baa74da2d4bf9a6e7121f4afac346
Publikováno v:
Acta Scientiarum: Animal Sciences, Vol 24 (2008)
O pargo, Lutjanus purpureus Poey (Perciformes, Lutjanidae), é capturado em toda a costa Norte e Nordeste do Brasil, constituindo um dos principais recursos pesqueiros da região, sendo reconhecido como fonte de divisa importante para a economia. Est
Externí odkaz:
https://doaj.org/article/d58b89f03da44657ac33b81316f82043
Autor:
Silvana Saker-Sampaio, Emmanuel Silva Marinho, Jean Parcelli Costa do Vale, Nairley Cardoso Sá Firmino, Anna Luísa Pereira, Alexandre Lopes Andrade, Tigressa Helena Soares Rodrigues, Hélcio Silva dos Santos, Alexandre Magno Rodrigues Teixeira, Francisco Vassiliepe Sousa Arruda, Márcia Machado Marinho, Mayron Alves de Vasconcelos, Edson Holanda Teixeira, Alexandre Holanda Sampaio
Publikováno v:
Current Microbiology. 78:1926-1938
A large number of infections are caused by Gram-positive and Gram-negative multi-resistant bacteria worldwide, adding up to a figure of around 700,000 deaths per year. The indiscriminate uses of antibiotics, as well as their misuse, resulted in the s