Search Results - "Annibal D. Pereira Netto"

Polycyclic aromatic hydrocarbons in Tripuí River, Ouro Preto, MG, Brazil by Brum, Daniel Mares, Netto, Annibal D. Pereira

“…This paper reports the determination of 15 EPA-polycyclic aromatic hydrocarbons (PAHs) and benzo[e]pyrene in water samples collected in Tripuí River, Ouro…”
Get full text

Occupational exposure to formaldehyde in an institute of morphology in Brazil: a comparison of area and personal sampling by de M. Ochs, Soraya, de O. Grotz, Lucas, Factorine, Luciara S., Rodrigues, Mauro R., Netto, Annibal D. Pereira

“…Background, aims, and scope Formaldehyde (FA) is a harmful chemical, which is classified as carcinogenic to humans (Group 1) by the International Agency for…”
Get full text

PAHs in SD : Polycyclic aromatic hydrocarbons levels in street dust in the central area of Niteroi City, RJ, Brazil by PEREIRA NETTO, Annibal D, KRAUSS, Thomas M, CUNHA, Issarana F, REGO, Eliane C. P

“…Polycyclic aromatic hydrocarbons (PAHs) were studied in street dust (SD) samples collected in the center of Niterói, a tropical city located in the State of…”
Get full text

Multivariate optimization of a microwave-assisted leaching procedure using dilute acid solutions, for FAAS determination of Cu, Fe, Mn, and Zn in multivitamin/multimineral supplements by Soriano, Silvio, Pereira Netto, Annibal D, Cassella, Ricardo J

“…This paper reports the development of a microwave-assisted procedure for leaching of copper, iron, manganese, and zinc from multivitamin/multimineral…”
Get full text

Determination of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in Brazilian cow milk by Rocha, Dayse A.M., Torres, João P.M., Reichel, Klaus, Novotny, Etelvino H., Estrella, Leonardo F., Medeiros, Rebeca O., Netto, Annibal D. Pereira

“…The determination of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in raw cow milks have never been reported in Brazil…”
Get full text

Determination of Cu, Fe, Mn and Zn by flame atomic absorption spectrometry in multivitamin/multimineral dosage forms or tablets after an acidic extraction by Soriano, Sílvio, Netto, Annibal D. Pereira, Cassella, Ricardo J.

“…This work presents the development of a methodology for the determination of Cu, Fe, Mn and Zn in samples of multivitamin/multimineral tablets, by flame atomic…”
Get full text

Analysis of 31 Hydrazones of Carbonyl Compounds by RRLC-UV and RRLC-MS(/MS): A Comparison of Methods by Ochs, Soraya de M., Fasciotti, Maíra, Netto, Annibal D. Pereira

“…Aldehydes and ketones are volatile organic compounds (VOC) emitted into the atmosphere by a large number of natural and anthropogenic sources. Carbonyl…”
Get full text

Optimization and application of methods of triacylglycerol evaluation for characterization of olive oil adulteration by soybean oil with HPLC–APCI-MS–MS by Fasciotti, Maíra, Pereira Netto, Annibal D.

“…Triacylglycerols (TAGs) are the main constituents of vegetable oils where they occur in complex mixtures with characteristic distributions. Mass spectrometry…”
Get full text

An alternative derivatization reaction to the determination of doramectin in bovine milk using spectrofluorimetry by Maia, Priscila M.S., de F. Rezende, Flavia B., Netto, Annibal D. Pereira, de C. Marques, Flávia F.

“…[Display omitted] ► Fluorescent characteristics of doramectin. ► Conditions to improve doramectin luminescence properties. ► Easy, simple and an alternative…”
Get full text

Spatial distribution of polycyclic aromatic hydrocarbons in Terminalia catappa L. (Combretaceae) bark from a selected heavy road traffic area of Rio de Janeiro City, Brazil by Pereira Netto, Annibal D., Barreto, Renata P., Moreira, Josino C., Arbilla, Graciela

“…The levels of 21 polycyclic aromatic hydrocarbons (PAHs) with molecular weights between 128 Da (naphthalene) and 300 Da (coronene) were determined in…”
Get full text

Optimization of an improved analytical method for the determination of 1-nitropyrene in milligram diesel soot samples by high-performance liquid chromatography–mass spectrometry by Barreto, R.P., Albuquerque, F.C., Netto, Annibal D. Pereira

“…A method for determination of nitrated polycyclic aromatic hydrocarbons (NPAHs) in diesel soot by high-performance liquid chromatography–mass spectrometry with…”
Get full text

Superficial distribution of aromatic compounds and geomicrobiology of sediments from Suruí Mangrove, Guanabara Bay, RJ, Brazil by Fontana, Luiz F.(Universidade Federal Fluminense PPG em Geologia e Geofísica Marinha), Silva, Frederico S. da(Universidade Federal do Rio de Janeiro Departamento de Geologia), Figueiredo, Natália G. de(Universidade Federal Fluminense PPG em Química), Brum, Daniel M.(Universidade Federal Fluminense PPG em Química), Netto, Annibal D. Pereira(Universidade Federal Fluminense PPG em Química), Gigueiredo Junior, Alberto G. de(Universidade Federal Fluminense PPG em Geologia e Geofísica Marinha), Crapez, Mirian A.C.(Universidade Federal Fluminense PPG em Biologia Marinha)

“…The distribution of selected aromatic compounds and microbiology were assessed in superficial sediments from Suruí Mangrove, Guanabara Bay. Samples were…”
Get full text

Multivariate optimization of a liquid–liquid extraction of the EPA-PAHs from natural contaminated waters prior to determination by liquid chromatography with fluorescence detection by Brum, Daniel Mares, Cassella, Ricardo J., Pereira Netto, Annibal D.

“…This paper reports the multivariate optimization of a liquid–liquid extraction procedure for the determination of 15 EPA-polycyclic aromatic hydrocarbons…”
Get full text

Multivariate optimization of a spectrophotometric method for copper determination in Brazilian sugar-cane spirits using the Doehlert design by Caldas, Luiz Fernando S., Francisco, Barbara Bruna A., Netto, Annibal D. Pereira, Cassella, Ricardo J.

“…This present work reports a multivariate optimization of a spectrophotometric method for copper determination in sugar-cane spirits, exploring the reaction of…”
Get full text

Seasonal variation of polycyclic aromatic hydrocarbons concentrations in urban streams at Niterói City, RJ, Brazil by Ribeiro, Angelo Morgado, da Rocha, Camila Coimbra Martins, Franco, Caroline Fernandes Jaegger, Fontana, Luiz Francisco, Pereira Netto, Annibal D.

“…[Display omitted] ► Water samples collected in urban streams and lake. ► Determination of concentrations of PAHs and ∑PAHs. ► Concentrations significantly…”
Get full text

Evaluation of C1–C13 carbonyl compounds by RRLC-UV in the atmosphere of Niterói City, Brazil by Ochs, Soraya de M., Albuquerque, Flávio C., Massa, M. Cecília G. Pontes, Pereira Netto, Annibal D.

“…In this present work, the concentration of 31 carbonyl compounds (CC) were determined in the atmosphere of Niterói City, RJ, Brazil, between January 9th and…”
Get full text

Optimization and comparison of HPLC and RRLC conditions for the analysis of carbonyl-DNPH derivatives by de M. Ochs, Soraya, Fasciotti, Maíra, Barreto, Renata P., de Figueiredo, Natália G., Albuquerque, Flávio C., Pontes Massa, M. Cecília G., Gabardo, Irene, Pereira Netto, Annibal D.

“…Analytical conditions for the analysis of 15 carbonyl-DNPH derivatives were optimized and compared by high performance liquid chromatography (HPLC) and rapid…”
Get full text

Characterization of solid-phase extraction of Fe(III) by unloaded polyurethane foam as thiocyanate complex by de Almeida, Gil Nunes, de Sousa, Leandro M., Pereira Netto, Annibal D., Cassella, Ricardo J.

“…This work presents a detailed study about the adsorption of iron(III)–thiocyanate complexes onto unloaded polyether-type polyurethane foam (PUF). A novel…”
Get full text

Configuration interaction simulation of the NEXAFS photoabsorption spectrum of naphthalene by Hollauer, Eduardo, Prucole, Elísia dos Santos, Rocco, Maria Luiza M., Netto, Annibal D. Pereira, Schöll, Achim, Fink, Rainer

“…The near-edge X-ray absorption fine structure (NEXAFS) spectrum of naphthalene was analysed theoratically using the final state approximation rule. ROHF/SCF…”
Get full text

Short-term and spatial variation of selected metals in the atmosphere of Niterói City, Brazil by Sella, Silvia M, Pereira Netto, Annibal D, Vieira da Silva Filho, Emmanoel, Araújo, Martha T

“…In this work, the atmospheric concentration of selected trace elements (Cd, Fe, Mn, Pb, V and Zn) was determined in total suspended material (TSP) from three…”
Get full text