Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Maria Claudia M. Young"'
Autor:
Vanessa Mara Chapla, Maria Luiza Zeraik, Ioanis Hcristos Leptokarydis, Geraldo Humberto Silva, Vanderlan Silva Bolzani, Maria Claudia M. Young, Ludwig Heinrich Pfenning, Angela Regina Araújo
Publikováno v:
Molecules, Vol 19, Iss 11, Pp 19243-19252 (2014)
In this study, eight endophytic fungi were isolated from the leaves, stems and roots of Michelia champaca. The isolates were screened and evaluated for their antifungal, anticancer and acetylcholinesterase (AChE) inhibitory activities. All of the ext
Externí odkaz:
https://doaj.org/article/d13a4a3e66524f45adbbcdeed93b0d7c
Autor:
Hosana M. Debonsi, Otávio P. Rocha, Rafael De Felício, Maria Claudia M. Young, Nair S. Yokoya, Sérgio De Albuquerque, Regina Maria B. Cicarelli, Daniela L. Ambrósio, Ana Helena B. Rodrigues
Publikováno v:
Molecules, Vol 16, Iss 8, Pp 7105-7114 (2011)
The present study reports the Gas Chromatography-Mass Spectrometry (GC-MS) evaluation of the hexanes and dichloromethane fractions from extracts of the red alga Centroceras clavulatum (C. Agardh) Montagne. Twenty three compounds were identified, tota
Externí odkaz:
https://doaj.org/article/4ea4286b17264ef2a3b2fcb2afa32226
Autor:
Geraldo H. Silva, Camila M. de Oliveira, Helder L. Teles, Vanderlan da S. Bolzani, Angela R. Araujo, Ludwig H. Pfenning, Maria Claudia M. Young, Claudio M. Costa-Neto, Renato Haddad, Marcos N. Eberlin
Publikováno v:
Química Nova, Vol 33, Iss 10, Pp 2038-2041 (2010)
A chemical study on the EtOAc extract produced by Xylaria sp., an endophytic fungus from Piper aduncum, resulted in the isolation of a new cytochalasin 1, along with five known 19,20-epoxycytochalasin D (2), C (3), N (4), Q (5), and R (6). The 1-6 we
Externí odkaz:
https://doaj.org/article/faa822a1cddc47e0bf4c9a51b1e3d880
Autor:
Diógenes Aparício Garcia Cortez, Maria Claudia M. Young, Tânia Ueda-Nakamura, Amanda de Souza, Terezinha Inez Estivaleti Svidzinski, Daniel Rodrigues Silva, Eliana Harue Endo, Benedito Prado Dias Filho, Celso Vataru Nakamura
Publikováno v:
Molecules, Vol 14, Iss 3, Pp 1171-1182 (2009)
Externí odkaz:
https://doaj.org/article/914bedc95372420398b2769e656640ab
Autor:
Lucimar Pinheiro, Diógenes Aparício Garcia Cortez, Gentil J. Vidotti, Maria Claudia M. Young, Antônio Gilberto Ferreira
Publikováno v:
Química Nova, Vol 26, Iss 2, Pp 157-160 (2003)
Methanol extract obtained from Kielmeyera variabilis stems showed significant molluscicidal activity against Biomphalaria glabrata. The phytochemical studies of the plants stem to the isolation of three xanthones (assiguxanthone-B, kielcorin and 1,3,
Externí odkaz:
https://doaj.org/article/3aa1ca3e7e474e6c9d3aa11ed8e69614
Autor:
João Henrique G. Lago, Maria Claudia M. Young, Juliana B. Reigada, Marisi G. Soares, Bianca P. Roesler, Massuo J. Kato
Publikováno v:
Química Nova, Vol 30, Iss 5, Pp 1222-1224 (2007)
Bioguided fractionation of the extracts from leaves of Piper mollicomum and Piper lhotzkyanum against the fungi Cladosporium cladosporioides and C. sphaerospermum afforded seven bioactive compounds, four being chromenes: methyl 2,2-dimethyl-2H-chrome
Externí odkaz:
https://doaj.org/article/4a452d1df33e4e658c64b975229856e9
Autor:
Kaio de S. Gomes, Cinthia I. Tamayose, Marcelo José P. Ferreira, Cynthia Murakami, Maria Claudia M. Young, Guilherme M. Antar, Fernanda F. Camilo, Patricia Sartorelli, João Henrique G. Lago
Publikováno v:
Química Nova, Vol 42, Iss 2, Pp 156-158
In the present work, leaves of Pentacalia desiderabilis (Asteraceae) were subjected to extraction using aqueous 1-butyl-3-methylimidazolium bromide (BMImBr) in the microwave assisted extraction (MAE). The obtained extract was partitioned using CH2Cl2
Externí odkaz:
https://doaj.org/article/13b3f28e4ecc43e09c6a00dd01c17d44
Autor:
Benedito Prado Dias Filho, Tânia Ueda-Nakamura, Celso Vataru Nakamura, Arlene G. Corrêa, Diógenes Aparício Garcia Cortez, Adriana Oliveira dos Santos, Mislaine Adriana Brenzan, Joel Alvim Júnior, Maria Claudia M. Young
Publikováno v:
Biomedicine & Pharmacotherapy. 62:651-658
To study the structure–activity relationship of coumarin (−) mammea A/BB isolated from the CH 2 Cl 2 extract of Calophyllum brasiliense leaves, we evaluated the antileishmanial activity of natural, synthetic and derivatives of this coumarin, agai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5533136883b97f916073c49ee44003f
https://doi.org/10.1016/j.biopha.2008.08.024
https://doi.org/10.1016/j.biopha.2008.08.024
Autor:
Diógenes Aparício Garcia Cortez, Mislaine Adriana Brenzan, Maria Claudia M. Young, Tânia Ueda-Nakamura, Benedito Prado Dias Filho, Celso Vataru Nakamura
Publikováno v:
Parasitology Research. 101:715-722
Infections by protozoans of the genus Leishmania are a major worldwide health problem, with high endemicity in developing countries. The drugs of choice for the treatment of leishmaniasis are the pentavalent antimonials, which show renal and cardiac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e488f2b2ab47e43ff32e13c8115a4b45
https://doi.org/10.1007/s00436-007-0542-7
https://doi.org/10.1007/s00436-007-0542-7
Autor:
Renata Vasques da Silva, Hosana M. Debonsi Navickiene, Massuo J. Kato, Vanderlan da S. Bolzani, Christiane I. Méda, Maria Claudia M. Young, Maysa Furlan
Publikováno v:
Phytochemistry. 59(5)
In continuation of our study of the Piperaceae we have isolated several amides, mainly those bearing isobutyl, pyrrolidine, dihydropyridone and piperidine moieties. Bioactivity-guided fractionation of extracts from leaves of Piper arboreum yielded tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57fc0a38f750d5b1b09bcf11f3bd871c
https://pubmed.ncbi.nlm.nih.gov/11853747
https://pubmed.ncbi.nlm.nih.gov/11853747