Zobrazeno 1 - 10
of 64
pro vyhledávání: '"EUGÊNIA C. PEREIRA"'
Autor:
Keila Rêgo Mendes, Willian Batista-Silva, Jaqueline Dias-Pereira, Marcos P. S. Pereira, Eliane V. Souza, José E. Serrão, João A. A. Granja, Eugênia C. Pereira, David J. Gallacher, Pedro R. Mutti, Duany T. C. da Silva, Rogério S. de Souza Júnior, Gabriel B. Costa, Bergson G. Bezerra, Cláudio M. Santos e Silva, Marcelo F. Pompelli
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract Plant species of the Brazilian Caatinga experience seasonal wet and dry extremes, requiring seasonally different leaf characteristics for optimizing water availability. We investigated if Croton blanchetianus Baill exhibits leaf morphoanatom
Externí odkaz:
https://doaj.org/article/f3f4d3fdb7464424a862c7b04ab8fbc4
Autor:
CÉLIA CRISTINA CLEMENTE MACHADO, CLÁUDIO UBIRATAN GONÇALVES, MANOEL BANDEIRA DE ALBUQUERQUE, EUGÊNIA C. PEREIRA
Publikováno v:
Ambiente & Sociedade, Vol 20, Iss 1, Pp 239-260 (2017)
Abstract In the 1970s, the social impacts of protected areas (PAs) began to be widely recognized as conservationist thinking and human rights evolved to an acceptance that conservation can be achieved in collaboration with traditional communities. Ho
Externí odkaz:
https://doaj.org/article/58379eb7e6584d58a0221fb80bfaf884
Autor:
Monica C B Martins, Rosineide Silva Lopes, Patricia Silva Barbosa, Rocio Santiago, Bruno Rafael Rodrigues, Auristela Correia de Albuquerque, Emerson Peter S. Flacão, Vera Lucia de M. Lima, Nicácio H. da Silva, Eugênia C. Pereira
Publikováno v:
Sociobiology, Vol 65, Iss 1 (2018)
Lichens (Algal-Fungal association) synthesize unique chemical substances with different biological activities. Three pure lichen compounds were assayed to evaluate their potential insecticidal activity against the termite Nasutitermes corniger on Pet
Externí odkaz:
https://doaj.org/article/0486f89ad4274613838fdbc2551bc059
Autor:
Hallysson Douglas A. Araújo, José G. Silva Júnior, João R. Saturnino Oliveira, Maria Helena M. L. Ribeiro, Mônica C. Barroso Martins, Marcos A. Cavalcanti Bezerra, André Lima Aires, Mônica C. P. Azevedo Albuquerque, Mário R. Melo-Júnior, Nicodemos T. Pontes Filho, Eugênia C. Pereira, Diego J. Raposo Silva, Janaína V. dos Anjos, Emerson Peter S. Falcão, Nicácio H. Silva, Vera L. Menezes Lima
Publikováno v:
Molecules, Vol 24, Iss 11, p 2042 (2019)
To obtain usnic acid potassium salt (PS-UA), the usnic acid (UA) was extracted and purified from the lichen Cladonia substellata, and modified to produce PS-UA. The structure was determined by 1H-NMR, IR and elemental analysis, ratified through compu
Externí odkaz:
https://doaj.org/article/e22b4472a254440999f9ab6659194d93
Autor:
Fernando de Oliveira Mota Filho, Eugênia C. Pereira, Edmilson Santos de Lima, Nicácio Henrique da Silva, Regina Célia Bressan Figueiredo
Publikováno v:
Química Nova, Vol 30, Iss 5, Pp 1072-1076 (2007)
Cladonia verticillaris used in this study was collected in the cerrado vegetation of Saloá (PE, Brazil) and transplanted in plastic containers on soil from the collection place to Belo Jardim (PE) that possesses lead smelters and battery industries.
Externí odkaz:
https://doaj.org/article/71d7fe537e8e48f98209fdfd26a51c9e
Autor:
Emerson P. da Silva Falcão, Nicácio H. da Silva, Norma B. Gusmão, Sheyla Mara Ribeiro, Eugênia C. Pereira
Publikováno v:
Acta Botânica Brasílica, Vol 18, Iss 4, Pp 911-918 (2004)
A atividade antimicrobiana de extratos brutos de Ramalina sorediosa foi detectada pelo método de difusão em disco de papel. Dois metabólitos liquênicos de natureza fenólica foram identificados por meio de técnicas biocromatográficas. Uma dessa
Externí odkaz:
https://doaj.org/article/47a5cb70d21a4c7389011bd574bf1a4f
Autor:
Mônica Cristina Barroso Martins, Monique Costa Silva, Hianna Arely Milca Fagundes Silva, Luanna Ribeiro Santos Silva, Mônica Camelo Pessoa de Azevedo Albuquerque, André Lima Aires, Emerson Peter da Silva Falcão, Eugênia C. Pereira, Ana Maria Mendonça Albuquerque de Melo, Nicácio Henrique da Silva
Publikováno v:
Molecules, Vol 22, Iss 4, p 568 (2017)
This study evaluated the biological activity of an ether extract and barbatic acid (BAR) from Cladia aggregata on embryos and adult mollusks of Biomphalaria glabrata, cercariae of Schistosoma mansoni and the microcrustacean Artemia salina. The ether
Externí odkaz:
https://doaj.org/article/fe3e14b425594998a9756cc18ac7550b
Autor:
Silene C. Nascimento, Eugênia C. Pereira, Antonio Fernando M. Oliveira, Nicácio Henrique da Silva, Michele Boitard, Hélène Beriel
Publikováno v:
Acta Botânica Brasílica, Vol 8, Iss 1, Pp 97-108 (1994)
Extratos etéreos, acetônicos , metanólicos e aquosos de Cladonia substellata, C. crispatula e Cladina dendroides ocorrentes em solos arenosos de tabuleiros (cerrado) no Estado da Paraíba (Brasil), foram testados contra células PC3 e MDA-MB231 ob
Externí odkaz:
https://doaj.org/article/25d0e77825934ff98b25ffe968f2c91b
Autor:
Jusciêne B. Moura, Agueda C. de Vargas, Gisele V. Gouveia, João J. de S. Gouveia, Juracy C. Ramos-Júnior, Sônia de A. Botton, Eugênia C. Pereira, Mateus M. da Costa
Publikováno v:
Pesquisa Veterinária Brasileira, Vol 37, Iss 4, Pp 368-378
ABSTRACT: Cladonia substellata Vainio is a lichen found in different regions of the world, including the Northeast of Brazil. It contains several secondary metabolites with biological activity, including usnic acid, which has exhibited a wide range o
Externí odkaz:
https://doaj.org/article/80c52ceb301843a185b615d7631eb0e1
Autor:
Mário Herculano de Oliveira, Maria do Socorro Lacerda-Rolim, Ana Márcia Barbosa-Silva, Atzel Candido Acosta Abad, Rinaldo Aparecido Mota, Eugênia C. Pereira, Mônica Cristina Barroso Martins, Liziane Maria de Lima, Maria Avany Bezerra-Gusmão
Publikováno v:
Symbiosis. 89:329-335