Automated liquid–liquid extraction procedure for the photometric determination of nanogram levels of Hg(II) in soil and sediment extracts

Autor: Marinho, Oziel R., Kamogawa, Marcos Y., Ferreira, Jose R., Reis, Boaventura F.

Publikováno v: In Microchemical Journal July 2020 156

Sequential injection analysis implementing multiple standard additions for As speciation by liquid chromatography and atomic fluorescence spectrometry (SIA-HPLC-AFS)

Autor: Jesus, José P., Suárez, Carlos A., Ferreira, José R., Giné, Maria F.

Publikováno v: In Talanta 15 September 2011 85(3):1364-1368

DETERMINAÇÃO DE ESTANHO EM AMOSTRAS AMBIENTAIS POR ESPECTROMETRIA DE FLUORESCÊNCIA ATÔMICA

Autor: Garcez, Daniel L., Menegário, Amauri A., Ferreira, José R., Corns, Warren T., Suárez, Carlos A., Rolisola, Ana M. C. M., Yabuki, Lauren N. M.

Publikováno v: Química Nova, Vol 39, Iss 6, Pp 697-703 (2016)
Química Nova v.39 n.6 2016
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 39, Issue: 6, Pages: 697-703, Published: JUL 2016

An analytical method to determine tin concentrations in natural samples, by coupling atomic fluorescence spectrometry, hydride generation and flow injection system was developed. The sample digestion procedure and the conditions of hydride generation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::278efa973073d8f65d117624826ab30d
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422016000600697&lng=en&tlng=en

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Genetic toxicology evaluation of essential oil of Alpinia zerumbet and its chemoprotective effects against H 2 O 2 -induced DNA damage in cultured human leukocytes

Autor: Cavalcanti, Bruno C., Ferreira, José R. O., Cabral, Igor O., Magalhães, Hemerson I. F., Oliveira, Cecília C. de, Rodrigues, Felipe A. R., Rocha, Danilo D., Barros, Francisco W. A., Silva, Cecília R. da, Nobre Júnior, Hélio Vitoriano, Canuto, Kirley M., Silveira, Edilberto R., Pessoa, Cláudia, Moraes Filho, Manoel Odorico de

Publikováno v: Repositório Institucional da Universidade Federal do Ceará (UFC)
Universidade Federal do Ceará (UFC)
instacron:UFC

Essential oil (EO) of Alpinia zerumbet leaves, at non-toxic concentrations (50–300 l g/mL), did not induce genotoxicity in human leukocytes. However, at the highest concentration (500 l g/mL) tested caused a reduction in cell proliferation and viab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::0a17d27f5b07a1849e92d4952b3947d8
http://www.repositorio.ufc.br/handle/riufc/5542