Fernando Barbosa

eNOS genotype-dependent correlation between whole blood lead and plasma nitric oxide products concentrations.

A critical review of biomarkers used for monitoring human exposure to lead: advantages, limitations, and future needs.

A polymorphism in the delta-aminolevulinic acid dehydratase gene modifies plasma/whole blood lead ratio.

Ethnicity affects the distribution of delta-aminolevulinic acid dehydratase (ALAD) genetic variants.

Matrix metalloproteinase-9 activity in plasma correlates with plasma and whole blood lead concentrations.

Lead contents in the surface enamel of deciduous teeth sampled in vivo from children in uncontaminated and in lead-contaminated areas.

Assessment of how pregnancy modifies plasma lead and plasma/whole blood lead ratio in ALAD 1-1 genotype women.

A plateau detected in lead accumulation in subsurface deciduous enamel from individuals exposed to lead may be useful to identify children and regions exposed to higher levels of lead.

Evidence of early involvement of matrix metalloproteinase-2 in lead-induced hypertension.

Lead in saliva from lead-exposed and unexposed children.

Sub-chronic exposure to methylmercury at low levels decreases butyrylcholinesterase activity in rats.

Environmental exposure to methylmercury is associated with a decrease in nitric oxide production.

Whole blood, serum, and saliva lead concentrations in 6- to 8-year-old children.

Fluoride increases lead concentrations in whole blood and in calcified tissues from lead-exposed rats.

Pre and post-natal exposure to ambient level of air pollution impairs memory of rats: the role of oxidative stress.

The relationship between blood and serum lead levels in peripartum women and their respective umbilical cords.

Lead contents in the surface enamel of primary and permanent teeth, whole blood, serum, and saliva of 6- to 8-year-old children.

Intron 4 polymorphism of the endothelial nitric oxide synthase (eNOS) gene is associated with decreased NO production in a mercury-exposed population.

Bixin and norbixin protect against DNA-damage and alterations of redox status induced by methylmercury exposure in vivo.

Evaluation of glutathione S-transferase GSTM1 and GSTT1 polymorphisms and methylmercury metabolism in an exposed Amazon population.

Antigenotoxic properties of chlorophyll b against cisplatin-induced DNA damage and its relationship with distribution of platinum and magnesium in vivo.

A fast-multiclass method for the determination of 21 endocrine disruptors in human urine by using vortex-assisted dispersive liquid-liquid microextraction (VADLLME) and LC-MS/MS.

Polymorphisms in glutathione-related genes modify mercury concentrations and antioxidant status in subjects environmentally exposed to methylmercury.

Genetic polymorphisms in glutathione (GSH-) related genes affect the plasmatic Hg/whole blood Hg partitioning and the distribution between inorganic and methylmercury levels in plasma collected from a fish-eating population.

Correlations among antiangiogenic factors and trace elements in hypertensive disorders of pregnancy.

Evaluation of toxic metals and essential elements in children with learning disabilities from a rural area of southern Brazil.

Reference values of cadmium, arsenic and manganese in blood and factors associated with exposure levels among adult population of Rio Branco, Acre, Brazil.

Genetic Effects of eNOS Polymorphisms on Biomarkers Related to Cardiovascular Status in a Population Coexposed to Methylmercury and Lead.

Effects of genetic polymorphisms on antioxidant status and concentrations of the metals in the blood of riverside Amazonian communities co-exposed to Hg and Pb.

Protective effects of the flavonoid chrysin against methylmercury-induced genotoxicity and alterations of antioxidant status, in vivo.

Teratogenicity, genotoxicity and oxidative stress in zebrafish embryos (Danio rerio) co-exposed to arsenic and atrazine.

Lead concentrations in whole blood, serum, saliva and house dust in samples collected at two time points (12 months apart) in Santo Amaro, BA, Brazil.

Effects of Lead Exposure and Genetic Polymorphisms on ALAD and GPx Activities in Brazilian Battery Workers.

Toxic and essential elements in Nigerian rice and estimation of dietary intake through rice consumption.

Bone metabolism dysfunction mediated by the increase of proinflammatory cytokines in chronic HIV infection.

Iodine Nutritional Status in Schoolchildren from Public Schools in Brazil: A Cross-Sectional Study Exposes Association with Socioeconomic Factors and Food Insecurity.

The influence of atmospheric particles on the elemental content of vegetables in urban gardens of Sao Paulo, Brazil.

A brain proteome profile in rats exposed to methylmercury or thimerosal (ethylmercury).

Corrigendum to 'Impact of antiretroviral therapy on bone metabolism markers in HIV-seropositive patients" [Bone 57 (2013) 62-67].

Chrysobalanus icaco L. fruits inhibit NADPH oxidase complex and protect DNA against doxorubicin-induced damage in Wistar male rats.

Association between heavy metal exposure and poor working memory and possible mediation effect of antioxidant defenses during aging.

Milk and Dairy Products Intake Is Associated with Low Levels of Lead (Pb) in Workers highly Exposed to the Metal.

Genes Involved in the Enamel Development Are Associated with Calcium and Phosphorus Level in Saliva.

Lead (Pb) exposure induces disturbances in epigenetic status in workers exposed to this metal.

Trace element levels in blood and associated factors in adults living in the metropolitan area of São Paulo, Brazil.

Recent developments on occupational and environmental toxicology.

Zinc and selenium status in critically ill patients according to severity stratification.

Chrysin Administration Protects against Oxidative Damage in Varicocele-Induced Adult Rats.

Genetic variants in selenoprotein genes modulate biomarkers of selenium status in response to Brazil nut supplementation (the SU.BRA.NUT study).

High blood lead levels are associated with lead concentrations in households and day care centers attended by Brazilian preschool children.

Metal and Metalloid-Induced Oxidative Damage: Biological Importance of Potential Antioxidants.

Ascorbic acid supplementation ameliorates testicular hormonal signaling, sperm production and oxidative stress in male rats exposed to rosuvastatin during pre-puberty.

Polymorphisms of genes related to metabolism of lead (Pb) are associated with the metal body burden and with biomarkers of oxidative stress.

Evaluation of uptake, translocation, and accumulation of arsenic species by six different Brazilian rice (Oryza sativa L.) cultivars.

Trace element profile in pemphigus foliaceus and in pemphigus vulgaris patients from Southeastern Brazil.

Water temperature and acid pH influence the cytotoxic and genotoxic effects of aluminum in the freshwater teleost Astyanax altiparanae (Teleostei: Characidae).

Determination of 17 potential endocrine-disrupting chemicals in human saliva by dispersive liquid-liquid microextraction and liquid chromatography-tandem mass spectrometry.

Evaluation of DNA Methylation Changes and Micronuclei in Workers Exposed to a Construction Environment.

Brazil nut intake increases circulating miR-454-3p and miR-584-5p in obese women.

Long-term exposure to bisphenol A or S promotes glucose intolerance and changes hepatic mitochondrial metabolism in male Wistar rats.

Blood reference values for metals in a general adult population in southern Brazil.

Rapid, sensitive and simultaneous determination of 16 endocrine-disrupting chemicals (parabens, benzophenones, bisphenols, and triclocarban) in human urine based on microextraction by packed sorbent combined with liquid chromatography tandem mass spectrometry (MEPS-LC-MS/MS).

Cytotoxicity, mutagenicity, oxidative stress and mitochondrial impairment in human hepatoma (HepG2) cells exposed to copper oxide, copper-iron oxide and carbon nanoparticles.

Global liver proteomic analysis of Wistar rats chronically exposed to low-levels of bisphenol A and S.

Endocrine disrupting chemicals associated with dry eye syndrome.

A critical viewpoint on current issues, limitations, and future research needs on micro- and nanoplastic studies: From the detection to the toxicological assessment.

Zinc Supplementation: Immune Balance of Pregnancy During the Chronic Phase of the Chagas Disease.

Association of Urinary and Blood Concentrations of Heavy Metals with Measures of Bone Mineral Density Loss: a Data Mining Approach with the Results from the National Health and Nutrition Examination Survey.

Exposure to per- and polyfluorinated alkyl substances in pregnant Brazilian women and its association with fetal growth.

Phospholipids modifications in human hepatoma cell lines (HepG2) exposed to silver and iron oxide nanoparticles.

Are fingernail lead levels a reliable biomarker of lead internal dose?

Evaluation of bisphenol A levels in Nigerian thermal receipts and estimation of daily dermal exposure.

DNA methylation changes in promoter region of gene in workers exposed in construction environment.

Adaptive epigenetic response of glutathione (GSH)-related genes against lead (Pb)-induced toxicity, in individuals chronically exposed to the metal.

Biomarkers of Zinc and Copper Status and Associated Factors in Outpatients with Ischemic and Non-Ischemic Heart Failure.

Evaluating the risk of manganese-induced neurotoxicity of parenteral nutrition: review of the current literature.

Association Between miR-148a and DNA Methylation Profile in Individuals Exposed to Lead (Pb).

Genetically determined variations of are associated with antioxidant, muscular, and lipid biomarkers in response to Brazil nut consumption by patients using statins.

Urinary iodine and sodium concentration and thyroid status in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil).

Fundão tailings dam failure in Brazil: Evidence of a population exposed to high levels of Al, As, Hg, and Ni after a human biomonitoring study.

Biomonitoring of Exposure to Metals in a Population Residing in an Industrial Area in Brazil: A Feasibility Study.

Advances in "Omics" Approaches for Improving Toxic Metals/Metalloids Tolerance in Plants.

Urinary levels of monohydroxylated polycyclic aromatic hydrocarbons in Brazilian children and health risk assessment: a human biomonitoring-based study.

Levels of phthalates and bisphenol in toys from Brazilian markets: Migration rate into children's saliva and daily exposure.

Novel Zinc-Related Differentially Methylated Regions in Leukocytes of Women With and Without Obesity.

Mercury and cancer: Where are we now after two decades of research?

Absolute telomere length in peripheral blood lymphocytes of workers exposed to construction environment.

Plasma Concentration of Essential and Toxic Trace Elements After Brazil Nut Intake: Results from a Randomized Controlled Trial.