Search Results - "Siqueira, Maria Elisa Pereira Bastos"

Liquid-phase microextraction for simultaneous chromatographic analysis of three antidepressant drugs in plasma by Porto, Carlos Eduardo Dobrovolskni, Maia, Patrícia Penido, Freitas, Daniela Fernanda de, Araújo, Rafhaella Carolina Cedro, Siqueira, Maria Elisa Pereira Bastos de, Martins, Isarita, Santos-Neto, Álvaro José dos

“…A method using Liquid Phase Microextraction for simultaneous detection of citalopram (CIT), paroxetine (PAR) and fluoxetine (FLU), using venlafaxine as…”
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Single gas chromatography method with nitrogen phosphorus detector for urinary cotinine determination in passive and active smokers by Malafatti, Lusiane, Maia, Patrícia Penido, Martins, Matheus Coutinho Gonçalves, Siqueira, Maria Elisa Pereira Bastos de, Martins, Isarita

“…Nicotine is a major addictive compound in cigarettes and is rapidly and extensively metabolized to several metabolites in humans, including urinary cotinine,…”
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A simple and rapid method for urinary acetone analysis by headspace/gas chromatography by Oliveira, Danielle Palma de, Siqueira, Maria Elisa Pereira Bastos de

“…Urinalysis of acetone is important to monitor workers occupationally exposed to acetone and/or isopropanol, as well as in diagnosis of some diseases related to…”
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Urinary 2,5-hexanedione in workers exposed to n-hexane: influence of the sample treatment by Nolasco, Daniela Magalhães, Gusmão, Andréia, Siqueira, Maria Elisa Pereira Bastos de

“…The aim of the present study was to determine 2,5-hexanedione (2,5-HD), a metabolite of n-hexane, by gas chromatography/flame ionization detection in 31…”
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Delta-Aminolevulinic Acid Dehydratase Activity in the General Population of Southern Minas Gerais, Brazil by Maria Elisa Pereira Bastos de SIQUEIRA, MAIA, Patricia Penido, OLIVEIRA, Danielle Palma de, LUENGO, Denise Moura Leite

“…Blood samples were collected from 113 subjects (56 males and 57 females) living in the district of Alfenas, in southern Minas Gerais state, Brazil, to…”
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Simultaneous determination of multibenzodiazepines by HPLC/UV: Investigation of liquid–liquid and solid-phase extractions in human plasma by Borges, Keyller Bastos, Freire, Ellen Figueiredo, Martins, Isarita, de Siqueira, Maria Elisa Pereira Bastos

“…A method for simultaneous determination of seven benzodiazepines (BZPs) (flunitrazepam, clonazepam, oxazepam, lorazepam, chlordiazepoxide, nordiazepam and…”
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On-line molecularly imprinted solid-phase extraction for the selective spectrophotometric determination of nicotine in the urine of smokers by Figueiredo, Eduardo Costa, de Oliveira, Daniela Mayra, de Siqueira, Maria Elisa Pereira Bastos, Arruda, Marco Aurélio Zezzi

“…This work describes an on-line molecularly imprinted solid-phase extraction (MISPE) method for spectrophotometric determination of nicotine in urine samples of…”
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Three-phase, liquid-phase microextraction combined with high performance liquid chromatography-fluorescence detection for the simultaneous determination of fluoxetine and norfluoxetine in human plasma by de Freitas, Daniela Fernanda, Porto, Carlos Eduardo Dobrovolskin, Vieira, Elisabeth Pizzamiglio, de Siqueira, Maria Elisa Pereira Bastos

“…A three-phase, liquid-phase microextraction using a hollow fibre (HF-LPME) combined with high performance liquid chromatography-fluorescence detection…”
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Molecularly imprinted solid-phase extraction and high-performance liquid chromatography with ultraviolet detection for the determination of urinary trans,trans-muconic acid: a comparison with ionic exchange extraction by Vieira, André Coutinho, Zampieri, Rodolfo Aurélio, de Siqueira, Maria Elisa Pereira Bastos, Martins, Isarita, Figueiredo, Eduardo Costa

“…A new molecularly imprinted polymer (MIP) has been synthesized for the selective extraction of trans,trans-muconic acid (ttMA) from urine samples, followed by…”
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Caffeine and other adulterants in seizures of street cocaine in Brazil by Bernardo, Naissa Prévide, Siqueira, Maria Elisa Pereira Bastos, de Paiva, Maria José Nunes, Maia, Patrı́cia Penido

“…Cocaine sold as a “street drug” in white powder usually contains several adulterants and diluents. The purpose of this research was to quantify cocaine content…”
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Diazepam e nordiazepam em plasma: métodos de extração líquido-líquido e em fase sólida no pré-tratamento de amostras para análise cromatográfica em fase líquida by Freire, Ellen Figueiredo, Miranda, Juniella Luiza, Maia, Patrícia Penido, Vieira, Elisabeth Pizzamiglio, Borges, Keyller Bastos, Siqueira, Maria Elisa Pereira Bastos de

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Determination of Diazepam and Nordiazepam in the Plasma of Psychiatric Patients in Long-Term Treatment Employing Liquid-Liquid and Solid Phase Extraction by Gas Chromatography with Electron Capture Detection by Borges, Keyller Bastos, Urias, Tatiane de Souza, Freire, Ellen Figueiredo, de Siqueira, Maria Elisa Pereira Bastos

“…A sensitive, rapid, and reproducible gas chromatography-electron capture detection (GC-ECD) method was developed for the determination of diazepam (DZP) and…”
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Derivatization methodology for the analysis of butorphanol by gas chromatography-mass spectrometry by Andraus, Maristela Haddad, de Siqueira, Maria Elisa Pereira Bastos

“…Butorphanol is an opioid used as analgesic in humans and other species. In horses, it can cause locomotor stimulation at low doses. This drug is not well…”
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Trans,trans-muconic acid in urine samples collected in three periods from benzene handling workers in a Brazilian refinery by Martins, Isarita, Siqueira, Maria Elisa Pereira Bastos de

“…Trans,trans-Muconic Acid (ttMA), a benzene metabolite, has been recommended as a sensitive bioindicator in the biological monitoring of workers exposed to…”
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Influência do hábito de fumar na excreção urinária do ácido trans, trans-mucônico by Menezes, Maico de, Balbão, Marina Salviato, Siqueira, Maria Elisa Pereira Bastos de, Martins, Isarita

“…O hábito de fumar é considerado a maior fonte individual de benzeno para indivíduos não expostos ocupacionalmente e, em vista de sua comprovada…”
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Análise de praguicidas organofosforados em água por extração em fase sólida (SPE) utilizando discos C18 e cromatografia em fase gasosa: avaliação da contaminação do reservatório de Furnas (MG-Brasil) by Santos Neto Alvaro José dos, Siqueira Maria Elisa Pereira Bastos de

“…Solid phase extraction (SPE) in C18 disks has been optimized and validated for extraction of 5 organophosphorus (OP) pesticides in water. Extraction has been…”
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Análise de praguicidas organofosforados em água por extração em fase sólida (SPE) utilizando discos C18 e cromatografia em fase gasosa: avaliação da contaminação do reservatório de Furnas (MG-Brasil) by Santos Neto, Alvaro José dos, Siqueira, Maria Elisa Pereira Bastos de

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Diazepam e nordiazepam em plasma: métodos de extração líquido-líquido e em fase sólida no pré-tratamento de amostras para análise cromatográfica em fase líquida Diazepam and nordiazepam in plasma: liquid-liquid and solid phase extraction in sample pre-treatment for high performance liquid chromatography analysis by Ellen Figueiredo Freire, Juniella Luiza Miranda, Patrícia Penido Maia, Elisabeth Pizzamiglio Vieira, Keyller Bastos Borges, Maria Elisa Pereira Bastos de Siqueira

“…Analysis of diazepam (DZP) and its active metabolite nordiazepam (NDZP) in plasma is commonly performed in clinical medicine to ensure proper therapeutic…”
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DETERMINATION OF DIAZEPAM AND NORDIAZEPAM IN THE PLASMA OF PSYCHIATRIC PATIENTS IN LONG-TERM TREATMENT EMPLOYING LIQUID-LIQUID AND SOLID PHASE EXTRACTION BY GAS CHROMATOGRAPHY WITH ELECTRON CAPTURE DETECTION by BASTOS BARGES, Keyller, DE SOUZA URIAS, Tatiane, FIGUEIREDO FREIRE, Ellen, PEREIRA BASTOS DE SIQUEIRA, Maria Elisa

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Reference values of urinary acetone in a Brazilian population and influence of gender, age, smoking and drinking by de Oliveira, Danielle Palma, Pereira Bastos de Siqueira, Maria Elisa

“…Reference values for some xenobiotics naturally present in the body are important for biomonitoring, in order to compare the levels found in a population…”
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