Search Results - "FLAVIA VALLADÃO THIESEN"

Cotinine as a biomarker of tobacco exposure: Development of a HPLC method and comparison of matrices by Petersen, Guilherme Oliveira, Leite, Carlos Eduardo, Chatkin, José Miguel, Thiesen, Flavia Valladão

“…Tobacco dependence reaches one-third of the world population, and is the second leading cause of death around the world. Cotinine, a major metabolite of…”
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A high-performance liquid chromatography method for the determination of carbamazepine and carbamazepine-10,11-epoxide and its comparison with chemiluminescent immunoassay by Leite, Carlos Eduardo, Petersen, Guilherme Oliveira, Lunardelli, Adroaldo, Thiesen, Flavia Valladão

“…Carbamazepine is a first-choice antiepileptic drug for the treatment of simple and complex partial seizures. The use of an established therapeutic range for…”
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Biomarkers of occupational exposure to pesticides: Systematic review of insecticides by Dalmolin, Suelen Pizzolatto, Dreon, Danielly Bassani, Thiesen, Flavia Valladão, Dallegrave, Eliane

“…•Biomarkers for insecticides are very important to monitoring occupational exposure.•Most of the existing biomarkers for pesticides are non-specific.•Higher…”
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Laboratory diagnosis of toluene-based inhalants abuse by Thiesen, Flavia Valladão, Noto, Ana Regina, Barros, Helena M.T.

“…Toluene is the main substance contained in products used as inhalants. The frequent abuse of toluene-based inhalants requires the definition of a simple…”
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Monitoring an outdoor smoking area by means of PM2.5 measurement and vegetal biomonitoring by da Silveira Fleck, Alan, Carneiro, Maria Fernanda Hornos, Barbosa, Fernando, Thiesen, Flavia Valladão, Amantea, Sergio Luis, Rhoden, Claudia Ramos

“…The extension of pollutant accumulation in plant leaves associated with its genotoxicity is a common approach to predict the quality of outdoor environments…”
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Cotinine and polycyclic aromatic hydrocarbons levels in the amniotic fluid and fetal cord at birth and in the urine from pregnant smokers by Machado, Julia de Barros, Chatkin, José Miguel, Zimmer, Aline Rigon, Goulart, Ana Paula Szezepaniak, Thiesen, Flávia Valladão

“…Cigarette smoking during pregnancy has several impacts on fetal development, including teratogenic effects. The objective of this study was to assess whether…”
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A retrospective study analysis of urinary hippuric acid levels in occupational toxicology exams by Gonzalez, Kelly Cristina, Sagebin, Fernando Rodrigues, Oliveira, Paola Garcia, Glock, Luiz, Thiesen, Flavia Valladão

“…Hippuric acid is the primary metabolite of toluene, a solvent widely used in industrial processes with considerable toxic effects, a fact which justifies…”
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A short overview on mycophenolic acid pharmacology and pharmacokinetics by Ferreira, Pâmela C. Lukasewicz, Thiesen, Flavia Valladao, Pereira, Andrea Garcia, Zimmer, Aline Rigon, Fröehlich, Pedro Eduardo

“…Immunosuppressive therapy is used in solid organ transplant treatment, and mycophenolic acid (MPA) is one of the immunosuppressive drugs most used worldwide…”
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Comparison of plasma and oral fluid concentrations of mycophenolic acid and its glucuronide metabolite by LC-MS in kidney transplant patients by Ferreira, Pâmela C. Lukasewicz, Thiesen, Flavia Valladao, de Araujo, Thaina Tavares, D’Ávila, Domingos Otávio, Gadonski, Giovani, de Oliveira, Carmem Silvana A., Zimmer, Aline Rigon, Fröehlich, Pedro Eduardo

“…Purpose Mycophenolic acid is one of the most used immunosuppressive drugs in solid organ transplant treatments in the world. Developing a highly sensitive…”
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Measuring Inhalant Abuse Among Homeless Youth in Southern Brazil by Thiesen, Flavia Valladão, Barros, Helena Maria Tannhauser

“…In order to measure urinary level of hippuric acid among Brazilian homeless youth suspected of having inhaled toluene in previous hours, urine samples were…”
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Application of the buccal micronucleus cytome assay and analysis of PON1Gln192Arg and CYP2A69(−48T>G) polymorphisms in tobacco farmers by Da Silva, Fernanda Rabaioli, Da Silva, Juliana, Nunes, Emilene, Benedetti, Danieli, Kahl, Vivian, Rohr, Paula, Abreu, Marina B., Thiesen, Flávia Valladão, Kvitko, Kátia

“…Tobacco is a major Brazilian cash crop. Tobacco farmers apply large amounts of pesticides to control insect growth. Workers come into contact with green…”
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Evaluation of genotoxic effects of benzene and its derivatives in workers of gas stations by Trevisan, Patrícia, da Silva, Juliane Nascimento, da Silva, Alessandra Pawelec, Rosa, Rafael Fabiano Machado, Paskulin, Giorgio Adriano, Thiesen, Flávia Valladão, de Oliveira, Ceres Andréia Vieira, Zen, Paulo Ricardo Gazzola

“…The search for reliable biomarkers of human exposure to benzene and its derivatives is still subject of research. Many of the proposed biomarkers have…”
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Monitoring an outdoor smoking area by means of PM^sub 2.5^ measurement and vegetal biomonitoring by Da Silveira Fleck, Alan, Carneiro, Maria Fernanda; Hornos, Barbosa, Fernando, Thiesen, Flavia Valladão, Amantea, Sergio Luis, Rhoden, Claudia Ramos

“…The extension of pollutant accumulation in plant leaves associated with its genotoxicity is a common approach to predict the quality of outdoor environments…”
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Evaluation of the exhaled carbon monoxide levels in smokers with COPD by Chatkin, Gustavo, Chatkin, José Miguel, Aued, Gabriel, Petersen, Guilherme Oliveira, Jeremias, Edna Thais, Thiesen, Flávia Valladão

“…To measure exhaled carbon monoxide (COex) levels in smokers with and without COPD. Smokers treated at outpatient clinics of São Lucas Hospital in the city of…”
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Behavioral Changes and Cholinesterase Activity of Rats Acutely Treated With Propoxur by Flavia Valladao, Thiesen, Helena M.T., Barros, Mario, Tannhauser, Semíramis L., Tannhauser

“…Early assessment of neurological and behavioral effects is extremely valuable for early identification of intoxications because preventive measures can be…”
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Influence of physical exercise and gender on acetylcholinesterase and butyrylcholinesterase activity in human blood samples by Zimmer, Karine Rigon, Lencina, Claiton Leonetti, Zimmer, Aline Rigon, Thiesen, Flávia Vallãdao

“…The determination of cholinesterase activity in plasma and erythrocytes serves as a useful and sensitive biomarker of exposure to organophosphorus and…”
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Nicotine alters the ectonucleotidases activities in lymphocytes: In vitro and in vivo studies by Thomé, Gustavo Roberto, Souza de Oliveira, Lizielle, Schetinger, Maria Rosa Chitolina, Morsch, Vera Maria, Spanevello, Rosélia Maria, Fiorenza, Amanda Maino, Seres, Jonas, Baldissarelli, Jucimara, Stefanello, Naiara, Pereira, Maria Ester, Calgaroto, Nicéia Spanholi, Pimentel, Victor Camera, Leal, Daniela Bitencourt Rosa, do Carmo Gonçalves Souza, Viviane, Augusto dos Santos Jaques, Jeandre, Leal, Claudio Alberto Martins, Corrêa da Cruz, Ritiel, Thiesen, Flávia Valladão, Melazzo Mazzanti, Cinthia

“…Abstract The aim of the present study was to investigate the effects in vivo and in vitro of nicotine, an important immunosuppressive agent, on NTPDase and ADA…”
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Designer drugs: aspectos analíticos e biológicos by Bulcão, Rachel, Garcia, Solange Cristina, Limberger, Renata Pereira, Baierle, Marília, Arbo, Marcelo Dutra, Chasin, Alice Aparecida da Matta, Thiesen, Flávia Valladão, Tavares, Rejane

“…In the recent years, analytical toxicologists have been facing difficulties in detecting designer drugs due to the chemical modifications on the existing…”
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Monitoring an outdoor smoking area by means of PM 2.5 measurement and vegetal biomonitoring by da Silveira Fleck, Alan, Carneiro, Maria Fernanda Hornos, Barbosa, Jr, Fernando, Thiesen, Flavia Valladão, Amantea, Sergio Luis, Rhoden, Claudia Ramos

“…The extension of pollutant accumulation in plant leaves associated with its genotoxicity is a common approach to predict the quality of outdoor environments…”
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Estudo retrospectivo dos níveis de ácido hipúrico urinário em exames de toxicologia ocupacional by Gonzalez, Kelly Cristina, Sagebin, Fernando Rodrigues, Oliveira, Paola Garcia, Glock, Luiz, Thiesen, Flavia Valladão

“…O ácido hipúrico é o principal metabólito do tolueno, solvente amplamente utilizado em processos industriais e com importantes efeitos tóxicos, fato que…”
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