3 documents found, page 1 of 1
Chemical composition and larvicidal activity against Aedes aegypti L. (Diptera:...
Santos, Hélcio Silva; Bandeira, Paulo N.; Lemos, Telma L. G.; Santiago, Gilvandete M. P.Croton nepetaefolius Baill is the aromatic plant native to northeast of Brazil popularly known as “marmeleiro sabiá”. It is used in folk medicine as a stomachic, a carminative and for the treatment of intestinal colic. A total of 26 compounds were obtained by hydrodistillation and identified by GC - MS and CG - FID in the three essential oils samples , being 5 monoterpenes (36.9%), 7 sesquiterpenes (31.8%) and ...
Biflorin : an o-naphthoquinone of clinical significance
Wisintainer, Gabrielle G. N. S.; Simões, Evelyne R. B.; Lemos, Telma L. G.; Moura, Sidnei; Souza, Luciana G. S.; Fonseca, Aluisio M.Biflorin is an o -naphthoquinone with proven cytotoxic effects on tumor cells showing antimicrobial, antitumor and antimutagenic activities. Biflorin is an isolated compound taken from the roots of the plant Capraria biflora L. (Schrophulariaceae), indigenous of the West Indies and South America, which is located in temperate or tropical areas. This compound has shown to be strongly active against gram- positiv...
Depth-scanning confocal Raman for rapid in vivo determination of testosterone c...
Botelho, Marco Antonio; Guerreiro, Stela Julia; Queiroz, Dinalva Brito; Barros, Gisele; Cavalcante, Monaliza; Souza, Juliana M. O.; Silva, André M.OBJECTIVE: The present study aimed to measure in-vivo the depth and the percentage of testosterone in human skin. METHOD: Two healthy young Brazilian volunteers were evaluated through a Confocal Raman Spectroscopy probe on the right volar forearm. Testosterone spectroscopy of was performed on the Stratum Corneum, Viable Epidermis and Dermis; the percentage concentration of testosterone was compared between the ...