Search Results - "L.C.A. Barbosa"

Essential oils from pequi fruits from the Brazilian Cerrado ecosystem by Geőcze, K.C., Barbosa, L.C.A., Fidêncio, P.H., Silvério, F.O., Lima, C.F., Barbosa, M.C.A., Ismail, Fyaz M.D.

“…The composition of the essential oils of pequi fruits gathered from the Brazilian Cerrado ecosystem in the states of Maranhão (MA), Minas Gerais (MG) and…”
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Teor e composição do óleo essencial de quatro acessos e duas cultivares de manjericão (Ocimum basilicum L.) by Veloso, R.A., Castro, H.G., Barbosa, L.C.A, Cardoso, D.P., Chagas Júnior, A.F., Scheidt, G.N.

“…O objetivo desse estudo foi avaliar o teor e a composição química dos óleos essenciais de quatro acessos silvestres de manjericão (Ocimum basilicum L.),…”
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Synthesis and TGA Evaluation of Novel Triphosphate Esters by Kiran, Y.B., Devendranath Reddy, C., Gunasekar, D., Naga Raju, C., Barbosa, L.C.A., Marney, D.C.O., Russell, L.J.

“…Several new substituted organo tri/thiotriphosphate esters were synthesized by condensing cyclic oxaza/dioxaphosphorochloridates/ thiochloridates with K2HPO4…”
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Phenolic compounds and antioxidant capacity of Brazilian mango ( Mangifera indica L.) varieties by Ribeiro, S.M.R., Barbosa, L.C.A., Queiroz, J.H., Knödler, M., Schieber, A.

“…Phenolic compounds and antioxidant activities of four mango varieties cultivated in Brazil were analyzed. The profile of flavonol- O-glycosides and xanthone-…”
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Antibacterial and antiproliferative activities of the fresh leaf essential oil of Psidium guajava L. (Myrtaceae) by Silva, E A J, Estevam, E B B, Silva, T S, Nicolella, H D, Furtado, R A, Alves, C C F, Souchie, E L, Martins, C H G, Tavares, D C, Barbosa, L C A, Miranda, M L D

“…This study evaluated the antibacterial and antiproliferative activities of the essential oil of Psidium guajava leaves (PG-EO), traditionally used in folk…”
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In situ determination of the syringyl/guaiacyl ratio of residual lignin in pre-bleached eucalypt kraft pulps by analytical pyrolysis by Lima, C.F., Barbosa, L.C.A., Silva, Marcela N.N., Colodette, J.L., Silvério, F.O.

“…•A new method for S/G ratio analyses in lignin in pre-bleached pulp was developed.•S/G ratio in residual lignin in pre-bleached pulp can be measured by…”
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NMR and X-ray structural characterization and conformational aspects of fluorinated (5Z)-3-benzil-5-arylidenofuran-2(5H)-ones by Teixeira, R.R., Barbosa, L.C.A., Kabeshov, M.A., Maltha, C.R.A., Corrêa, R.S., Doriguetto, A.C.

“…[Display omitted] •Structural insights of fluorinated nostoclide derivatives are presented.•Derivatives 6 and 7 crystallized in the space group P21/c.•Z…”
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Compounds from Ageratum conyzoides: isolation, structural elucidation and insecticidal activity by Moreira, M.D, Picanço, M.C, Barbosa, L.C.A, Guedes, R.N.C, Barros, E.C, Campos, M.R

“…This work aimed at identifying plant compounds with insecticidal activity against Diaphania hyalinata (L.) (Lepidoptera: Pyralidae), Musca domestica (L.)…”
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Toxicidade de filtrados de cultura de Alternaria euphorbiicola em folhas de Euphorbia heterophylla Phytotoxicity of Alternaria euphorbiicola culture filtrates in Euphorbia heterophylla leaves by E.V.V Varejão, A.J Demuner, L.C.A Barbosa, R.W Barreto, B.S Vieira

“…A espécie fúngica Alternaria euphorbiicola é agente causal de severas necroses de inflorescência, queimas de folhas e cancros da haste em Euphorbia…”
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Toxicidade de filtrados de cultura de Alternaria euphorbiicola em folhas de Euphorbia heterophylla by Varejão, E.V.V, Demuner, A.J, Barbosa, L.C.A, Barreto, R.W, Vieira, B.S

“…A espécie fúngica Alternaria euphorbiicola é agente causal de severas necroses de inflorescência, queimas de folhas e cancros da haste em Euphorbia…”
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Spectroscopic and dynamic NMR study, X-ray crystallography and DFT calculations of two phosphoramidates: (C₄H₃O₂)P(O)(Cl)C₆H₁₄N and (C₄H₃O₂)P(O)(C₆H₁₁NH) by Oliveira, F.M, Barbosa, L.C.A, Demuner, A.J, Maltha, C.R.A, Fernandes, S.A, Carneiro, J.W.de M, Corrêa, R.S, Doriguetto, A.C

“…In recent years, research in organophosphorus compounds, particularly phosphoramidates, has attracted attention because of their many applications. In this…”
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Synthesis of Photosynthesis-Inhibiting Nostoclide Analogues by Teixeira, Róbson R, Barbosa, Luiz C. A, Forlani, Giuseppe, Piló-Veloso, Dorila, Walkimar de Mesquita Carneiro, José

“…A series of 34 3-benzyl-5-(arylmethylene)furan-2(5H)-ones, designed using the naturally occurring toxins nostoclides as a lead structure, was synthesized as…”
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Effect of Drying Air Temperature on the Quality of Essential Oil from Mikania glomerata by Rocha, R.P., Melo, E.C., Barbosa, L.C.A., Radunz, L.L.

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Structural characterization of unusually stable polycyclic ozonides by Cusati, R.C., Pereira, U.A., Barbosa, L.C.A., Maltha, C.R.A., Carneiro, José W.M., Corrêa, R.S., Doriguetto, A.C.

“…[Display omitted] •Compound 3 crystallizes in the unusual space group R3¯m.•Most ozonides crystallize in the monoclinic system with P21/c space group as…”
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Teor e composição do óleo essencial de quatro acessos e duas cultivares de manjericão (Ocimum basilicum L.) by Veloso, R.A., Castro, H.G., Barbosa, L.C.A, Cardoso, D.P., Chagas Júnior, A.F., Scheidt, G.N.

“…O objetivo desse estudo foi avaliar o teor e a composição química dos óleos essenciais de quatro acessos silvestres de manjericão (Ocimum basilicum L.),…”
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Synthesis of 3-(4-Bromobenzyl)-5-(aryl methylene)-5H-furan-2-ones and Their Activity as Inhibitors of the Photosynthetic Electron Transport Chain by Barbosa, Luiz C. A., Rocha, Marcelo E., Teixeira, Róbson R., Maltha, Célia R.A., Forlani, Giuseppe

“…A series of 12 3-(4-bromobenzyl)-5-(arylmethylene)-5H-furan-2-one lactones, designed using the naturally occurring toxin nostoclides as a lead structure, were…”
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Efeito alelopático de folhas de bamburral [Hyptis suaveolens (L.) Poit.] sobre a germinação de sementes de sorgo (Sorghum vulgare Pers.), rabanete (Raphanus sativus L.) e alface (Lactuca sativa L.) by Rodrigues, A.C., Artioli, F.A., Polo, M., Barbosa, L.C.A., Beijo, L.A.

“…O objetivo do presente trabalho foi à verificação do efeito alelopático de Hyptis. suaveolens na germinação de sorgo, alface e rabanete, bem como, a…”
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Efeito alelopático de folhas de bamburral [Hyptis suaveolens (L.) Poit.] sobre a germinação de sementes de sorgo (Sorghum vulgare Pers.), rabanete (Raphanus sativus L.) e alface (Lactuca sativa L.) Allelopathic effects of leaves of "bamburral" [Hyptis suaveolens (L.) Poit.] on the germination of seeds of sorghum (Sorghum vulgare Pers. ), radish (Raphanus sativus L.) and lettuce (Lactuca sativa L.) by A.C. Rodrigues, F.A. Artioli, M. Polo, L.C.A. Barbosa, L.A. Beijo

“…O objetivo do presente trabalho foi à verificação do efeito alelopático de Hyptis. suaveolens na germinação de sorgo, alface e rabanete, bem como, a…”
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Rendimento extrativo de cumarina de folhas de guaco (Mikania glomerata Sprengel) submetidas a diferentes temperaturas de secagem Extraction yield of coumarin from guaco (Mikania glomerata Sprengel) leaves subjected to different drying temperatures by L.L. Radünz, E.C. Melo, L.C.A. Barbosa, R.P. Rocha, P.A. Berbert

“…O objetivo deste trabalho foi avaliar o efeito da temperatura do ar de secagem no rendimento extrativo da cumarina de folhas de guaco. Foram empregados 6…”
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Rendimento extrativo de cumarina de folhas de guaco (Mikania glomerata Sprengel) submetidas a diferentes temperaturas de secagem by Radünz, L.L., Melo, E.C., Barbosa, L.C.A., Rocha, R.P., Berbert, P.A.

“…O objetivo deste trabalho foi avaliar o efeito da temperatura do ar de secagem no rendimento extrativo da cumarina de folhas de guaco. Foram empregados 6…”
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