Search Results - "Queiroz, Maria Eliana L.R"

Impact of percentage and particle size of sugarcane biochar on the sorption behavior of clomazone in Red Latosol by Silva, Marcos R F DA, Queiroz, Maria Eliana L R DE, Neves, Antônio A, Silva, Antônio A DA, Oliveira, André F DE, Oliveira, Renan L DE, Azevedo, Mariane M

“…Biochar is a carbonaceous material that has excellent potential as a fertilizer and soil conditioner. However, there is a lack of information concerning the…”
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Evaluation of the composition of street cocaine seized in two regions of Brazil by Magalhães, Elisângela Jaqueline, Nascentes, Clésia C, Pereira, Leandro S.A, Guedes, Mário L.O, Lordeiro, Rogério A, Auler, Lúcia M.L.A, Augusti, Rodinei, de Queiroz, Maria Eliana L.R

“…Abstract This work evaluates cocaine purity and the concentration ranges of adulterants and inorganic constituents for 31 street cocaine samples seized in two…”
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Aqueous ozone solutions for pesticide removal from potatoes by Heleno, Fernanda F, de Queiroz, Maria Eliana LR, Faroni, Lêda RA, Neves, Antônio A, de Oliveira, André F, Costa, Luiz PL, Pimenta, Gustavo G

“…The presence of pesticide residues in potatoes is of concern because of the potential impact to human health due to the high consumption of this vegetable. In…”
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The Paradox of Precision by Oliveira, Andre F, Astrea, Silva, F.S, Queiroz, Maria Eliana L.R, Neves, Antonio Augusto

“…This paper is about a typical mistake in the calculation of standard deviation of measurements in cases in which there are no differences among repetitious…”
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Mobility and persistence of the herbicide fomesafen in soils cultivated with bean plants using SLE/LTP and HPLC/DAD by Costa, Anna I. G, Queiroz, Maria Eliana L. R, Neves, Antônio A, de Assis, Roberta C, dos Soares, Carlos E. S, da Silva, Antônio A, D’Antonino, Leonardo, de Oliveira, André F, Bellato, Carlos R

“…A method has been optimized and validated for the determination of fomesafen in soils using solid–liquid extraction with low-temperature partitioning (SLE/LTP)…”
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Low-Temperature Partitioning: A Simple Screening Method for Determining Diethylene Glycol in Beer by Gas Chromatography by Azevedo, Mariane, Miranda, Liany, de Queiroz, Maria Eliana, de Oliveira, André, Pereira, Alexandre, Neves, Antônio, Silva, Thaís

“…Diethylene glycol is an extremely toxic substance to humans. Recently, cases of beer contamination in Brazil have raised awareness of the need for developing…”
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Determination of Ozone or Hypochlorite in Waters Based on Digital Images Analysis Using Same Reagent by Zampier, Lorrayne, Fernando de Oliveira, André, Heleno, Fernanda, de Queiroz, Maria Eliana, Neves, Antônio Augusto, Olivo, Sergio

“…Ozone and hypochlorite are used for the disinfection of water and is essential to monitor these. In this paper, methods based on digital images were developed…”
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Effects of Liming and Urochloa brizantha Management on Leaching Potential of Picloram by Passos, Ana Beatriz R. J., Souza, Matheus F., Saraiva, Douglas T., da Silva, Antônio Alberto, Queiroz, Maria Eliana L. R., Carvalho, Felipe P., Silva, Daniel Valadão

“…In pastures, the application of limestone is often performed after removal of the animals for proper development and establishment of regrowth. Together with…”
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Phenylcoumarins from Kielmeyera elata by Gramacho, R.da S, Nagem, Tanus J, de Oliveira, Tânia Toledo, de Queiroz, Maria Eliana L.R, Neves, Antonio A, Saddi, Nagib

“…Friedelin, the 4-phenylcoumarins mammeisin, 4-phenyl-5-hydroxy-6-(3-methyl-1-oxobutyl)-2′-(1-hydroxy-1-methylethyl)-3′,4′-dihydro(5′,4′:7,8) furancoumarin, and…”
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Low-temperature clean-up method for the determination of pyrethroids in milk using gas chromatography with electron capture detection by Goulart, Simone Machado, de Queiroz, Maria Eliana L.R., Neves, Antônio Augusto, de Queiroz, José Humberto

“…This paper describes a new gas-chrormatography with electron capture detection (GC-ECD) method for determination of some pyrethroids in milk samples. The…”
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A Simple and Efficient Optimized Solid-Liquid Extraction with Low Temperature Partition Procedure for Dissipation and Translocation Study of Pesticide Residues in Rice Grains by de Ávila, Mariane, Faroni, Lêda, Heleno, Fernanda, de Queiroz, Maria Eliana, Almeida, Rodrigo

“…Pesticides are used globally to protect food against pest attack. This study evaluates the dissipation of bifenthrin and deltamethrin residues in unhulled rice…”
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A new spectrophotometric method for determination of EDTA in water using its complex with Mn(III) by Andrade, Carlos Eduardo O., Oliveira, André F., Neves, Antônio A., Queiroz, Maria Eliana L.R.

“…EDTA is an important ligand used in many industrial products as well as in agriculture, where it is employed to assist in phytoextraction procedures and the…”
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Proposal of a controlled release of citrate by solubility equilibrium by Almeida, Cristiane Aparecida, de Oliveira, André Fernando, Andrade, Carlos Eduardo O., de Queiroz, Maria Eliana L. R., Neves, Antônio Augusto

“…Some substances at high concentrations in both the body and the environment can be toxic. The remediation of contaminated environments, for example by metals…”
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Pesticide residue removal in classic domestic processing of tomato and its effects on product quality by Rodrigues, Alessandra A. Z., De Queiroz, Maria Eliana. L. R., De Oliveira, André Fernando, Neves, Antônio Augusto, Heleno, Fernanda F., Zambolim, Laércio, Freitas, Jéssika F., Morais, Elisa H. Costa

“…This study was undertaken to evaluate the effectiveness of several household practices (washing with water or acidic, alkaline, and oxidizing solutions, and…”
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Microextraction technique associated with gas chromatography-mass spectrometry for determining pesticide residues in urine by Silva, Thaís L. R., de Queiroz, Maria Eliana L. R., de Oliveira, André Fernando, Rodrigues, Alessandra A. Z., Neves, Antônio Augusto, Vieira, Patrícia A. F., de Queiroz, José Humberto, Barbosa, Verônica O. de P.

“…Urine is one of the biological matrices most used for detecting human contamination, as it is representative and easily obtained via noninvasive sampling. This…”
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Optimization and validation of liquid–liquid extraction with low temperature partitioning for determination of carbamates in water by Goulart, Simone Machado, Alves, Renata Domingos, Neves, Antônio Augusto, de Queiroz, José Humberto, de Assis, Tamires Condé, de Queiroz, Maria Eliana L.R.

“…Using a 2 3 experimental design, liquid–liquid extraction with low temperature partitioning (LLE-LTP) was optimized and validated for analysis of three…”
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MINIATURIZED LIQUID-LIQUID EXTRACTION WITH LOW-TEMPERATURE PARTITIONING TECHNIQUE (LLE/LTP) FOR PESTICIDE ANALYSIS IN A BIOLOGICAL MATRIX BY GAS CHROMATOGRAPHY by Silva, Thaís, de Queiroz, Maria Eliana, Neves, Antônio, Vieira, Patrícia, de Oliveira, André, Oliveira, Maria

“…The liquid-liquid extraction with low-temperature partitioning technique (LLE/LTP) was miniaturized to determine the pesticides chlorpyrifos, bifenthrin,…”
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Chemometric optimization of solid–liquid extraction with low-temperature partition (SLE-LTP) for determination of persistent organic pollutants in Caiman yacare eggs by Sousa, Demétrio A., Gonçalves, Renato M., Heleno, Fernanda F., de Queiroz, Maria Eliana L.R., de Marchi, Mary Rosa R.

“…This paper presents the optimization of a method based on solid–liquid extraction followed by low-temperature partition (SLE-LTP) for the determination of…”
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Determination of maleic hydrazide residues in garlic bulbs by HPLC by Mamani Moreno, Claudia, Stadler, Teodoro, da Silva, Antônio Alberto, Barbosa, Luiz C.A., de Queiroz, Maria Eliana L.R.

“…► A LC/UV method was developed and validated for maleic hydrazide analysis in garlic. ► The extraction process is simple and requires lower volumes of organic…”
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Ozone as degradation agent of pesticide residues in stored rice grains by de Ávila, Mariane B. R., Faroni, Lêda Rita A., Heleno, Fernanda F., de Queiroz, Maria Eliana L. R., Costa, Luiz P.

“…This work aimed to study the kinetics of bifenthrin and deltamethrin residues degradation in rice grains under exposure to ozone and evaluate the effect of…”
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