Search Results - "Assis, Roberta C."

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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Application of aqueous two-phase system for selective extraction and clean-up of emerging contaminants from aqueous matrices by Assis, Roberta C., Mageste, Aparecida B., de Lemos, Leandro R., Orlando, Ricardo M., Rodrigues, Guilherme D.

“…This review approaches how aqueous two-phase systems (ATPS), in their various compositions (e.g., polymer + salt, copolymer + salt, ionic liquid + salt,…”
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Application of aqueous two-phase systems for the extraction of pharmaceutical compounds from water samples by Assis, Roberta C., Mageste, Aparecida B., de Lemos, Leandro R., Orlando, Ricardo Mathias, Rodrigues, Guilherme D.

“…In this study, the proposal was to use aqueous two-phase systems (ATPS) as a sample preparation technique for the determination of five pharmaceuticals,…”
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Extraction of arsenic(III) in aqueous two-phase systems: A new methodology for determination and speciation analysis of inorganic arsenic by Assis, Roberta C., de Araújo Faria, Betânia A., Caldeira, Claudia L., Mageste, Aparecida Barbosa, de Lemos, Leandro R., Rodrigues, Guilherme D.

“…This work utilizes the liquid–liquid extraction technique of aqueous two-phase systems (ATPS) formed by a polymer and electrolyte to develop a novel…”
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Determination of Pesticides in Soil Using a Hyphenated Extraction Technique by Soares, Carlos E. S., Neves, Antônio A., Queiroz, Maria E. L. R., Oliveira, André F., Costa, Anna I. G., Assis, Roberta C., Andrade, Carlos Eduardo O.

“…A new method for the extraction of pesticide residues from soil was developed, optimized, validated and applied to real samples. The technique consisted of…”
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Single Drop Microextraction: a Sensitive Multiresidue Method for Determination of Pesticides in Water Using GC/ECD by Soares, Carlos E. S., Neves, Antônio A., Queiroz, Maria E. L. R. de, Oliveira, André F., Costa, Anna I. G., Assis, Roberta C., Andrade, Carlos E. O.

“…The monitoring of pesticides in environmental samples at low concentrations is needed due to the risks that these compounds can pose to human health and the…”
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