INSECTICIDAL AND FUNGICIDAL ACTIVITY OF A MAGNESIUM COMPOUND CONTAINING ISOVANILLIC ACID AGAINST LEAF-CUTTING ANT AND ITS SYMBIOTIC FUNGUS

Autor: Eldevan S. Silva, Rafael C. Marchi, Carla Sthefane P. Matos, Maria Fátima G. F. Silva, João B. Fernandes, Odair C. Bueno, Rose M. Carlos

Publikováno v: Química Nova, Vol 44, Iss 3, Pp 267-271 (2021)

Pesticides offer a simple, cost-effective solution to ensure food supplies for a growing world population. However, their environmental performance needs improvement if pesticides are to continue contributing importantly. This study explores the inse

Externí odkaz: https://doaj.org/article/ff1aa89c9fe54c6f8045903a37175fd6

Efficacy and safety of primary, early and late needle-knife fistulotomy for biliary access

Autor: Mário Dinis-Ribeiro, Jorge Canena, Luisa M. Figueiredo, Pietro Familiari, Tarcísio Araújo, João B. Fernandes, Luís Carvalho Lourenço, David Horta, Luis Felipe Dias Lopes, Gonçalo Alexandrino, M Moreira

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Scientific Reports
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

European Society of Gastrointestinal Endoscopy recommends needle-knife fistulotomy (NKF) as the preferred precut technique. However, there is little information on whether NKF performed at different times is associated with different success and adve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16fed767fca59a628d2c48d9239ce609
https://doaj.org/article/241d71d011384f28929e28930d866f9d

New Limonoids from Hortia oreadica and Unexpected Coumarin from H. superba Using Chromatography over Cleaning Sephadex with Sodium Hypochlorite

Autor: Vanessa G.P. Severino, Sâmya D.L. de Freitas, Patrícia A.C. Braga, Moacir Rossi Forim, M. Fátima das G.F. da Silva, João B. Fernandes, Paulo C. Vieira, Tiago Venâncio

Publikováno v: Molecules, Vol 19, Iss 8, Pp 12031-12047 (2014)

Previous investigations of H. oreadica reported the presence of a wide spectrum of complex limonoids and dihydrocinnamic acids. Our interest in the Rutaceae motivated a reinvestigation of H. oreadica, H. brasiliana and H. superba searching for other

Externí odkaz: https://doaj.org/article/3a74615b01de4f82a87eae557d92d3b7

Microwave-Assisted Extraction of Ricinine from Ricinus communis Leaves

Autor: Liliane Nebo, Rosa M. Varela, João B. Fernandes, Miguel Palma

Publikováno v: Antioxidants, Vol 8, Iss 10, p 438 (2019)

The alkaloid ricinine (3-cyano-4-methoxy-N-methyl-2-pyridone) is found in different parts of the Ricinus communis plant and is known to possess several bioactive properties, including strong antioxidant activity. In this study, a new microwave-assist

Externí odkaz: https://doaj.org/article/8d5518400a0a4f99a80120ecca4019c8

Insecticidal activity of copper (II) complexes with flavanone derivatives

Autor: Antonio Bernardo, Maria Fátima das Graças Fernandes da Silva, Gracielle Oliveira Sabbag Cunha, Moacir Rossi Forim, João B. Fernandes, Ana Carolina Volante, Andreia Pereira Matos, Paulo C. Vieira, André Lucio Franceschini Sarria

Publikováno v: Natural Product Research. 36:1342-1345

In this work, we describe the insecticidal activity against Spodoptera frugiperda of flavanone derivatives (naringin, naringenin and hesperidin) complexed to copper (II). For the assays, the compounds were incorporated into an artificial diet and off

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6fa578eefb50c799744ce3f0df158eb
https://doi.org/10.1080/14786419.2020.1868465