Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Sergio L. C. Ferreira"'
Publikováno v:
Food Materials Research, Vol 4, Iss 1, Pp 1-6 (2024)
The development of a portable device created by 3D printing for fluorimetric measurements is an efficient tool for analytical applications in situ or in the laboratory presenting a wide field of applications in the environmental and food field. This
Externí odkaz:
https://doaj.org/article/fd336729cffd43d3953c26d54d643197
Autor:
Caio S. A. Felix, Adriano V. B. Chagas, Rafael F. de Jesus, Willams T. Barbosa, Josiane D. V. Barbosa, Sergio L. C. Ferreira, Víctor Cerdà
Publikováno v:
Molecules, Vol 28, Iss 10, p 4065 (2023)
This work proposes the synthesis of a new polymer with imprinted ions (IIP) for the pre-concentration of uranium in natural waters using digital imaging as a detection technique. The polymer was synthesized using 2-(5-bromo-2-pyridylazo)-5-diethylami
Externí odkaz:
https://doaj.org/article/d06bdc8a95a54887bb7b9716f73ab74f
Publikováno v:
Molecules, Vol 27, Iss 21, p 7279 (2022)
Lab-in-syringe is a new approach for the integration of various analytical extraction steps inside a syringe. Fully automated dispersive liquid–liquid microextraction is carried out in-syringe using a very simple instrumental setup. Dispersion is a
Externí odkaz:
https://doaj.org/article/c9b7b1e0fc6a4110bfb0788a66b7db8a
Autor:
Lindomar A. Portugal, Edwin Palacio, Víctor Cerdà, Joao H. Santos-Neto, Laura Ferrer, Sergio L. C. Ferreira
Publikováno v:
Chemosensors, Vol 10, Iss 4, p 139 (2022)
A very simple, fast and non-chromatographic methodology for inorganic antimony speciation based on Multisyringe Flow Injection Analysis (MSFIA) employing online hydride generation (HG) ICP-MS was developed. The fully automated analysis is performed i
Externí odkaz:
https://doaj.org/article/8ad1b3317ded4a1287cf543fcceb4dd6
Autor:
Geraldo D. Matos, César Ricardo Teixeira Tarley, Sergio L. C. Ferreira, Marco Aurélio Zezzi Arruda
Publikováno v:
Eclética Química, Vol 30, Iss 1, Pp 65-74 (2018)
In this work is proposed a solid phase preconcentration system of Co 2+ ions and its posterior determination by GFAAS in which fractional factorial design and response surface methodology (RSM) were used for optimization of the variables associated w
Externí odkaz:
https://doaj.org/article/cd7e362f0e2549098a018960d9f83535
Autor:
Gilmar S. Macêdo Junior, Ícaro Thiago Andrade Moreira, Sergio L. C. Ferreira, Olívia Maria Cordeiro de Oliveira, Antônio Fernando de Souza Queiroz
Publikováno v:
International Journal of Development Research. :36509-36517
This article presents the phytosociological characteristics of the São Paulo River estuary, northeastern part of Todosos Santos Bay, a mangrove area with impacts of oil spill as well as the physical-chemical composition of the plant of individuals a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10081161f970be047fb1aaf768db3f73
https://doi.org/10.37118/ijdr.18997.06.2020
https://doi.org/10.37118/ijdr.18997.06.2020
Publikováno v:
Analytical Letters. 49:799-807
Lead was determined in iron supplements by electrothermal atomization atomic absorption spectrometry (ETA AAS). The effect of the iron matrix on the determination of lead was investigated using line source ETA AAS and high resolution continuum source
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98c774f5a56e62e85cbdb4ce6513834c
https://doi.org/10.1080/00032719.2015.1079206
https://doi.org/10.1080/00032719.2015.1079206
Autor:
Antônio Fernando de Souza Queiroz, Rodrigo A. Nascimento, Narayana C.F. Escobar, Jefferson Mortatti, Marcos Vinícius de Almeida, Sergio L. C. Ferreira
Publikováno v:
Marine pollution bulletin. 119(2)
The present study evaluated the origin and distribution of polycyclic aromatic hydrocarbons (PAHs) and the organic matter (OM) in the surface sediment of the Sao Paulo River estuary, Todos os Santos Bay (TSB), Brazil. The samples were collected in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::404d94d44d29afe06b45e59dbc0f5c12
https://pubmed.ncbi.nlm.nih.gov/28454763
https://pubmed.ncbi.nlm.nih.gov/28454763
Publikováno v:
JAAS (Journal of Analytical Atomic Spectrometry); Oct2011, Vol. 26 Issue 10, p2039-2044, 6p
Publikováno v:
JAAS (Journal of Analytical Atomic Spectrometry); Sep2003, Vol. 18 Issue 10, p1267, 7p