Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Gevany P. de Pinho"'
Autor:
Matheus Mendes Reis, Leonardo David Tuffi Santos, Ariovaldo José da Silva, Gevany Paulino de Pinho, Leonardo Michel Rocha
Publikováno v:
Revista Ambiente & Água, Vol 15, Iss 2, Pp 1-11 (2020)
There is great concern with soil and plant contamination by heavy metals due to the use of polluted water in agricultural irrigation. In this study, areas irrigated with Vieira River water were evaluated as to contamination by As, Cr, Cu, Ni, Pb and
Externí odkaz:
https://doaj.org/article/74bf99cda15a42289cfefb59f6ee5630
Autor:
Ane Patrícia Cacique, Érica Soares Barbosa, Gevany Paulino de Pinho, Flaviano Oliveira Silvério
Publikováno v:
Ciência e Agrotecnologia, Vol 44 (2020)
ABSTRACT Catharanthus roseus(L.) G. Don is a medicinal plant known for its important constituent aromatic compounds. In the literature, no detailed studies elucidating the methods of extraction of phenolic compounds for this species are available. Th
Externí odkaz:
https://doaj.org/article/b6268c0d43144c7f9a7bb02bdf765177
Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) are persistent organic pollutants frequently detected in air, soil, and water. Thus, monitoring these compounds in environmental compartments is fundamental to identifying potential risks
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::183591039efc58abaaaa70e6f1bc706a
Autor:
Érica Soares Barbosa, Gabriela Fonseca Evangelista, Emanuella Mesquita Pimenta, Flaviano Oliveira Silvério, Gevany Paulino de Pinho
Publikováno v:
Química Nova, Vol 37, Iss 3, Pp 404-410 (2014)
In this study, a method of solid-liquid extraction and purification at low temperature (SLE-PLT) to determine 16 polycyclic aromatic hydrocarbons (PAHs) in sewage sludge was optimized and validated. The analyses were performed by HPLC-UV. The extract
Externí odkaz:
https://doaj.org/article/3ea2cf321169432da412aa04956dfe95
Autor:
Flaviano Oliveira Silvério, Joyce Grazielle Siqueira Silva, Maria Clara Santana Aguiar, Ane Patrícia Cacique, Gevany Paulino de Pinho
Publikováno v:
Química Nova, Vol 35, Iss 10, Pp 2052-2056 (2012)
Externí odkaz:
https://doaj.org/article/bf54147bf342489d81c24c6d41e9ef6a
Autor:
Gevany Paulino de Pinho, Flaviano Oliveira Silvério, Antônio Augusto Neves, Maria Eliana Lopes Ribeiro de Queiroz
Publikováno v:
Química Nova, Vol 35, Iss 4, Pp 738-742 (2012)
Components in complex matrices can cause variations in chromatographic response during analysis of pesticides by gas chromatography. These variations are related to the competition between analytes and matrix components for adsorption sites in the ch
Externí odkaz:
https://doaj.org/article/2b130d84cc584d5c9ae64664dc51c84e
Autor:
Gevany Paulino de Pinho, Flaviano Oliveira Silvério, Antônio Augusto Neves, Maria Eliana L. R. Queiroz, Maria Antônia V. M. Starling
Publikováno v:
Química Nova, Vol 33, Iss 4, Pp 909-913 (2010)
Multiresidue methods for pesticides monitoring by GC are commonly employed, however, it is well known that the presence of compounds of the matrix introduces errors during the quantiûcation. The main consequence of matrix effect is an increasing or
Externí odkaz:
https://doaj.org/article/3f5d46d60d4f49baac2861e7b4085582