Jean Remy Davee Guimaraes

Instituição:

Universidade Federal do Rio de Janeiro

Centro:

Centro de Ciências da Saúde

Unidade:

Instituto de Biofísica Carlos Chagas Filho

Departamento:

Programa de Ciências Ambientais e Biotecnologia/I Biof

ORCID:

https://orcid.org/0000-0003-2584-0009


Formação:

  • Universidade Federal do Rio de Janeiro

    Ciências Biológicas (Biofísica) | Doutorado | 1990 - 1992

  • Universidade Federal do Rio de Janeiro

    Ciências Biológicas (Biofísica) | Mestrado | 1980 - 1982

  • Universidade Federal do Rio de Janeiro

    | Graduação | 1974 - 1977
Laboratórios:
Nuvens de Palavras:
Artigos:

(65.71% artigos com DOI)

Titulo DOI Ano
Mercury cyanide complexes and their relevance as environmental contaminants 10.1016/j.chemosphere.2023.141054 2024
A synthesis of mercury research in the southern hemisphere, part 2: Anthropogenic perturbations 10.1007/s13280-023-01840-5 2023
A synthesis of mercury research in the southern hemisphere, part 1: Natural processes 10.1007/s13280-023-01832-5 2023
Mercury Exposure in Women of Reproductive Age in Rondônia State, Amazon Region, Brazil 10.3390/ijerph20065225 2023
Acute ecotoxicological effects of Hg(CN)2 in Danio rerio (zebrafish) 10.1007/s10646-023-02651-w 2023
Green Kingfishers as Sentinel Species for Mercury Contamination in Amazon 10.1007/s00244-023-01009-x 2023
New insights on the use of bill sheath as a biomonitoring tool for mercury in two kingfisher species: A comparison with different tissues 10.1016/j.envres.2022.114966 2022
Passive air sampler-derived concentrations and carcinogenic potential of PAHs in oil/gas production city (Macaé, Brazil) 10.5327/z2176-94781431 2022
Conhecimentos, atitudes e práticas de agricultores familiares brasileiros sobre a exposição aos agrotóxicos 10.1590/s0104-12902021210103 2021
Characterization and distribution of pesticide use from 2015 to 2019, by health regions in the state of Rondônia (RO), Amazon, Brazil 10.5327/z217694781013 2021
Cyanide Contamination of the Puyango-Tumbes River Caused by Artisanal Gold Mining in Portovelo-Zaruma, Ecuador 10.1007/s40572-020-00276-3 2020
Occupational exposure to pesticides and health symptoms among family farmers in Brazil 10.11606/s1518-8787.2020054002263 2020
Mercury in the Amazon 10.1525/elementa.032 2020
Cyanobacteria as regulators of methylmercury production in periphyton 10.1016/j.scitotenv.2019.02.233 2019
Data on pesticide exposure and mental health screening of family farmers in Brazil 10.1016/j.dib.2019.103993 2019
Mercury isotopic signatures of tailings from artisanal and small-scale gold mining (ASGM) in southwestern Ecuador 10.1016/j.scitotenv.2019.06.004 2019
An investigation of mercury sources in the Puyango-Tumbes River: Using stable Hg isotopes to characterize transboundary Hg pollution 10.1016/j.chemosphere.2018.03.081 2018
Seasonal changes in peryphytic microbial metabolism determining mercury methylation in a tropical wetland 10.1016/j.scitotenv.2018.01.186 2018
Evidence of transboundary mercury and other pollutants in the Puyango-Tumbes River basin, Ecuador-Peru 10.1039/C7EM00504K 2018
Avaliação de saúde pública por exposição a agroquímicos: uma experiência com a agricultura familiar no noroeste do Rio de Janeiro 10.18472/sustdeb.v9n1.2018.26956 2018
Respiratory Condition of Family Farmers Exposed to Pesticides in the State of Rio de Janeiro, Brazil 10.3390/ijerph15061203 2018
Mercury methylation and sulfate reduction rates in mangrove sediments, Rio de Janeiro, Brazil: The role of different microorganism consortia 10.1016/j.chemosphere.2016.09.153 2017
Seasonal sources of carbon to the Brazilian upwelling system 10.1016/j.ecss.2017.06.013 2017
The Effect of Light on Bacterial Activity in a Seaweed Holobiont 10.1007/s00248-017-0995-x 2017
Mercury Pollution in Amapá, Brazil: Mercury Amalgamation in Artisanal and Small-Scale Gold Mining or Land-Cover and Land-Use Changes? 10.1021/acsearthspacechem.7b00089 2017
Waterscape determinants of net mercury methylation in a tropical wetland 10.1016/j.envres.2016.06.028 2016
Impacts of crab bioturbation and local pollution on sulfate reduction, Hg distribution and methylation in mangrove sediments, Rio de Janeiro, Brazil 10.1016/j.marpolbul.2016.05.028 2016
Risk Communication Strategies: Lessons Learned from Previous Disasters with a Focus on the Fukushima Radiation Accident 10.1007/s40572-016-0111-2 2016
Study of worker?s exposure to Tantalum-bearing particles in a mining and metallurgical plant 10.1007/s10653-016-9849-6 2016
Experimental evaluation of CO2 percolation effects on subsurface soil microbiota 10.1016/j.ijggc.2014.11.009 2015
Mercury methylation in sediments of a Brazilian mangrove under different vegetation covers and salinities 10.1016/j.chemosphere.2015.02.009 2015
Mercury distribution, methylation and volatilization in microcosms with and without the sea anemone Bunodosoma caissarum 10.1016/j.marpolbul.2014.12.049 2015
Potential changes in bacterial metabolism associated with increased water temperature and nutrient inputs in tropical humic lagoons 10.3389/fmicb.2015.00310 2015
Bacterial and Archaeal Communities Variability Associated with Upwelling and Anthropogenic Pressures in the Protection Area of Arraial do Cabo (Cabo Frio region - RJ) 10.1590/0001-3765201520140098 2015
Adaptation of the 3H-Leucine Incorporation Technique to Measure Heterotrophic Activity Associated with Biofilm on the Blades of the Seaweed Sargassum spp. 10.1007/s00248-012-0116-9 2013
Cyanobacteria enhance methylmercury production: A hypothesis tested in the periphyton of two lakes in the Pantanal floodplain, Brazil 10.1016/j.scitotenv.2013.03.022 2013
Toxic risks and nutritional benefits of traditional diet on near visual contrast sensitivity and color vision in the Brazilian Amazon 10.1016/j.neuro.2013.04.010 2013
Trophic Structure and Mercury Biomagnification in Tropical Fish Assemblages, Iténez River, Bolivia 10.1371/journal.pone.0065054 2013
Mercury methylation in mesocosms with and without the aquatic macrophyte Eichhornia crassipes (mart.) Solms 10.1016/j.ecoenv.2013.06.002 2013
Yearly variation of bacterial production in the Arraial do Cabo protection area (Cabo Frio upwelling region): an evidence of anthropogenic pressure 10.1590/s1517-83822013000400046 2013
Challenges to measuring, monitoring, and addressing the cumulative impacts of artisanal and small-scale gold mining in Ecuador 10.1016/j.resourpol.2013.03.007 2013
Influence of Soil and Climate on Carbon Cycling and Microbial Activity of a Heterogeneous Tropical Soil 10.1080/01490451.2011.575914 2012
Mercury methylation and the microbial consortium in periphyton of tropical macrophytes: Effect of different inhibitors 10.1016/j.envres.2011.11.002 2012
Role of Methylmercury Exposure (from Fish Consumption) on Growth and Neurodevelopment of Children Under 5 Years of Age Living in a Transitioning (Tin-Mining) Area of the Western Amazon, Brazil 10.1007/s00244-011-9697-4 2012
Total Mercury Distribution and Volatilization in Microcosms with and Without the Aquatic Macrophyte Eichhornia Crassipes 10.1007/s10498-012-9164-5 2012
Effect of sediment composition on methane concentration and production in the transition zone of a mangrove (Sepetiba Bay, Rio de Janeiro, Brazil) 2012
Biophysical Interactions in the Cabo Frio Upwelling System, Southeastern Brazil 2012
Mercury bioaccumulation patterns in fish from the Iténez river basin, Bolivian Amazon 10.1016/j.ecoenv.2012.05.018 2012
Mercury and flooding cycles in the Tapajós river basin, Brazilian Amazon: The role of periphyton of a floating macrophyte (Paspalum repens) 10.1016/j.scitotenv.2011.03.028 2011
Long-range effect of cyanide on mercury methylation in a gold mining area in southern Ecuador 10.1016/j.scitotenv.2011.08.021 2011
Selenium from dietary sources and motor functions in the Brazilian Amazon 10.1016/j.neuro.2011.04.005 2011
Hydroelectric reservoir inundation (Rio Madeira Basin, Amazon) and changes in traditional lifestyle: impact on growth and neurodevelopment of pre-school children 10.1017/S136898001000248X 2011
Visual acuity in fish consumers of the Brazilian Amazon: risks and benefits from local diet 10.1017/S1368980011001765 2011
Neurotoxic Sequelae of Mercury Exposure: An Intervention and Follow-up Study in the Brazilian Amazon 10.1007/s10393-011-0710-1 2011
No evidence of selenosis from a selenium-rich diet in the Brazilian Amazon 10.1016/j.envint.2011.07.005 2011
O Acidente Nuclear no Japao:acordando velhos fantasmas 2011
Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia 10.1016/j.scitotenv.2010.04.019 2010
Elevated levels of selenium in the typical diet of Amazonian riverside populations 10.1016/j.scitotenv.2010.05.022 2010
Persistent Toxic Substances in the Brazilian Amazon: Contamination of Man and the Environment 2010
Selenium and Mercury in the Brazilian Amazon: Opposing Influences ?on Age-Related Cataracts 10.1289/ehp.0901284 2010
Organochlorine compounds in sharks from the Brazilian coast 10.1016/j.marpolbul.2008.11.003 2009
Effect of ethanol on the biodegradation of gasoline in an unsaturated tropical soil 10.1016/j.ibiod.2008.09.004 2009
Persistent toxic substances in the Brazilian Amazon: contamination of man and the environment 2009
Elevated blood lead levels in a riverside population in the Brazilian Amazon 2009
Quality of Life and Health Perceptions Among Fish-Eating Communities of the Brazilian Amazon: An Ecosystem Approach to Well-Being 10.1007/s10393-009-0235-z 2009
Bioacumulação de metais pesados em moluscos bivalves: aspectos evolutivos e ecológicos a serem considerados para a biomonitoração de ambientes marinhos 2009
O Brasil na COP-15: foi só propaganda?. 2009
FORMAÇÃO DE METILMERCÚRIO EM DIFERENTES MATRIZES TERRESTRES E AQUÁTICAS ? RESULTADOS PRELIMINARES 2009
Biomarkers of selenium status in the amazonian context: Blood, urine and sequential hair segments 10.1038/jes.2008.14 2008
Mercúrio total em músculo de cação Prionace glauca (Linnaeus, 1758) e de espadarte Xiphias gladius Linnaeus, 1758, na costa sul-sudeste do Brasil e suas implicações para a saúde pública 10.1590/s0102-311x2008000900012 2008
. [3H]leucine incorporation method as a tool to measure secondary production by periphytic bacteria associated to the roots of floating aquatic macrophytes. 10.1016/j.mimet.2007.06.020 2007
Can the biomonitor Tillandsia usneoides be used to estimate occupational and environmental mercury levels in the air? 2007
Mercúrio em sistemas aquáticos: fatores ambientais que afetam a metilação 2007
A importância das macrófitas aquáticas no ciclo do mercúrio na Bacia do Rio Tapajós (PA). 2007
POPs in the Amazon: contamination of man and the environment 2007
Epidemiologic confirmation that fruit consumption influences mercury exposure in riparian communities in the Brazilian Amazon 10.1016/j.envres.2007.01.012 2007
Ecologia de micropoluentes organicos e metais pesados 2007
Fish consumption and bioindicators of inorganic mercury exposure 10.1016/j.scitotenv.2006.11.015 2007
Daily mercury intake in fish-eating populations in the Brazilian Amazon 10.1038/sj.jes.7500599 2007
Sequential Hair Analysis as a Seasonal Biomarker of Variations in Selenium Status 10.1097/01.ede.0000276748.26141.bf 2007
Study of Biodegradation Processes of BTEX-ethanol Mixture in Tropical Soil 10.1007/s11270-006-9303-y 2007
Simultaneous radioassays of bacterial production and mercury methylation in the periphyton of a tropical and a temperate wetland 10.1016/j.jenvman.2005.09.023 2006
Um novo método para quantificar mercúrio orgânico empregando a espectrometria de fluorescência atômica do vapor frio 2006
Mercury methylation and bacterial activity associated to tropical phytoplankton 10.1016/j.scitotenv.2005.07.010 2006
A preliminary study of mercury exposure and blood pressure in the Brazilian Amazon 10.1186/1476-069x-5-29 2006
Elevated blood selenium levels in the Brazilian Amazon 10.1016/j.scitotenv.2005.08.057 2006
Sulfate-Reducing Bacteria in Floating Macrophyte Rhizospheres from an Amazonian Floodplain Lake in Bolivia and Their Association with Hg Methylation 10.1128/aem.71.11.7531-7535.2005 2005
Evaluation of Bioventing on a gasoline-ethanol contaminated undisturbed residual soil. 2004
Mercury methylation and bacterial activity in tropical freshwater phytoplankton 2004
Mercury methylation and bacterial activity in macrophyte associated periphyton in floodplain lakes of the Amazon basin. 2004
Transport and cycling of mercury in Tucurui reservoir, Amazon, Brazil: 20 years after fulfillment. 2004
Human exposure to mercury as a consequence of landscape management and socio-economic behaviors. Part 1: the Brazilian Amazon case study 2004
Bioventing of a gasoline-ethanol contaminated undisturbed soil. 2003
Mercury methylation in macrophytes, periphyton, and water - comparative studies with stable and radio-mercury additions 10.1007/s00216-002-1534-1 2002
Evaluation of the Siltation of River Taquari, Pantanal, Brazil, through 210Pb Geochronology of Floodplain Lake Sediments 10.1590/s0103-50532002000100011 2002
Total Mercury in Muscle Tissue of Five Shark Species from Brazilian Offshore Waters: Effects of Feeding Habit, Sex, and Length 10.1006/enrs.2002.4365 2002
Mercury methylation in macrophyte roots of a tropical lake 10.1023/A:1005222902966 2001
Distribution of methylmercury and inorganic mercury in neonate hamsters dosed with methylmercury during foetal life 2001
Spatio-temporal geochemistry of Hg in waters of the Tapajós and Amazon rivers, Brazil 2001
Origins and effects of mercury on riparian populations of the Brazilian Amazon 2001
Methylmercury in water, seston and epiphyton of an Amazonian river and its floodplain Tapajós river, Brazil . 2001
Methylmercury production and accumulation in sediments and soils of an Amazonian floodplain - Effect of seasonal inundation 10.1023/a:1010379103335 2001
Evaluation of mercury levels in sediment and soil samples from Vila Nova river basin, in Amapá state, Brazil, using radiochemical neutron activation analysis 2000
Exposure of aboriginal people to methylmercury due to gold mining in the Amazon, Brazil. 2000
Evaluation of mercury methylation in fresh and pre-dried sediments using 203Hg radioisotope. 2000
Increase in mercury contamination recorded in lacustrine sediments following deforestation in the central Amazon. 2000
Mercury net methylation in five tropical flood plain regions of Brazil: high in the root zone of floating macrophyte mats but low in surface sediments and flooded soils 10.1016/s0048-9697(00)00628-8 2000
Mercury methylation along a lakeâ??forest transect in the Tapajós river floodplain, Brazilian Amazon: seasonal and vertical variations 10.1016/S0048-9697(00)00627-6 2000
Mercury fluxes in a natural forested Amazonian catchment (Serra do Navio, Amapá state, Brazil). 2000
Fish mercury concentrations in the Alto Pantanal, Brazil: influence of season and water parameters 2000
Relationship of mercury with aluminum, iron and manganese oxy-hydroxides in sediments from the Alto PAntanal, Brazil. 2000
Methylmercury in water, seston and epiphyton of an mazonian river and its floodplain, Tapajós river, Brazil. 2000
Methyl mercury production and distribution in river water-sediment systems investigated through radiochemical techniques 10.1023/A:1005206109083 2000
Development of sediment toxicity test with tropical peneid shrimps 10.1002/etc.5620190723 2000
Mercury in human and environmental samples from two lakes in Amapá, Brazilian Amazon 1999
Comparative tests on the efficiency of three methods of methylmercury extraction in environmental samples 10.1002/(sici)1099-0739(199907)13:7<487::aid-aoc862>3.0.co;2-b 1999
Efeito de Sedimentos Contaminados sobre a excreção de nitrogênio do camarão Penaeus paulensis 1999
Aplicação da analise por ativação neutronica à investigação da composição de solos e sedimentos da bacia do rio Vila Nova e vale do rio Amapari 1999
Aguapé agrava contaminação por mercurio 1999
Mercury methylation in a tropical macrophyte: influence of abiotic parameters 10.1002/(sici)1099-0739(199909)13:9<631::aid-aoc905>3.0.co;2-e 1999
Effects of recent human colonization on the presence of mercury in Amazonian ecosystems 10.1023/a:1005073432015 1999
Hg Methylation In Sediments And Floating Meadows Of A Tropical Lake Of The Pantanal Wetland, Brazil. 1998
Methylmercury In Fish And Hair Samples From The Balbina Reservoir, Brazilian Amazon. 1998
The geochemistry of mercury in central Amazonian soils developed on the Alter-do-Chão formation of the lower Tapajós River Valley, Pará state, Brazil1The present investigation is part of an ongoing study, the CARUSO project (IDRC-UFPa-UQAM), initiated to determine the sources, fate, and health effects of MeHg in the Lower Tapajós area.1 10.1016/s0048-9697(98)00265-4 1998
Evolução da Contaminação Ambiental e Humana Por Mercúrio Na Amazônia. 1997
Follow-Up Of Mercury Levels In Fish, Human Hair And Urine In The Madeira And Tapajós Basins, Amazon, Brazil 1997
Accumulation And Distribution Of Inorganic Mercury In A Tropical Fish Tricomycterus Zonatus. . 1996
A simplified radiochemical technique for measurements of net mercury methylation rates in aquatic systems near goldmining areas, Amazon, Brazil 10.1016/0048-9697(95)04911-8 1995
Human exposure to mercury due to goldmining in the Tapajos River basin, Amazon, Brazil: Speciation of mercury in human hair, blood and urine 10.1007/bf01189656 1995
An assessment of Hg pollution in different goldmining areas, Amazon Brazil 10.1016/0048-9697(95)04909-6 1995
?Chromium And Zinc Accumulation By Padina Gymnospora (Phaeophycea) From A Contaminated Tropical Coastal Area?. 1994
137Cs pre-concentration from water samples using a Prussian blue impregnated ion-exchanger 10.1016/0265-931x(93)90011-u 1993
Bioaccumulation of 137cs And 60co By A Tropical Marine Teleost Epinephelus Sp'. . 1992
Cesium-137 in the Goiania Waterways During and After the Radiological Accident 10.1097/00004032-199101000-00016 1991
A Monitoração da Cidade Contaminada. 1988
Strontium-85 bioaccumulation by Sargassum spp. (brown seaweed) and Galaxaura marginata (calcareous seaweed) 10.1016/0048-9697(88)90035-6 1988
137Cs, 60Co and 125I bioaccumulation by seaweeds from the Angra dos Reis nuclear power plant region 10.1016/0141-1136(85)90010-8 1985
Seasonal Variation Of Heavy Metals In Seaweeds From Conceição do Jacareí, Rj, Brazil. 1985
IODINE BIOACCUMULATION BY SEAWEEDS FROM THE ANGRA-DOS-REIS REGION 1983
Concentração de Metais Pesados Em Algas Bentonicas da Baia da Ribeira, Angra dos Reis, Rj, Com Sugestão de Espécies Monitoras 1982
Eventos:

(0.00% eventos com DOI)

Titulo DOI Ano
TOXICOLOGICAL AND HISTOLOGICAL EFFECTS OF MERCURY CYANIDE AND SODIUM CYANIDE IN ZEBRA- FISH (DANIO RERIO) 2019
ENVIRONMENTAL IMPACT OF SMALL HYDROPOWER PLAN TS IN CASCADES ON THE ACCUMULATION OF MEHG IN FISH FROM BRAZILIAN AMAZONIA AND PANTANAL RIVERS 2019
MERCURY IN RIVER AND FLOODPLAIN OF THE SOLIMÕES AND NEGRO BASINS (BRAZILIAN AMAZON) 2019
AMAZON KINGFISHER (CHLOROCERYLE AMAZON) AS POTENTIAL SENTINEL SPECIES FOR HG POLLUTION IN BRAZILIAN AMAZONIA AND PANTANAL 2019
TOTAL MERCURY IN CHLOROCERYLE AMERICANA (GMELIN, 1788) IN THE BRAZILIAN AMAZON 2019
TOTAL MERCURY AND METHYLMERCURY CONCENTRATION IN POTENTIALLY CONSUMED FISH CAPTURED IN TRACKS OF THE TELES PIRES AND JURUENA RIVERS, SOUTH AMAZONIA 2019
No good answer to a wrong question: tracking the source of Hg in the Amazon 2015
Prevalência de sintomas respiratórios autorreferidos em trabalhadores rurais expostos a agrotóxicos em São José de Ubá, RJ. 2015
Identificação de possíveis zonas de contaminação por agrotóxicos em área rural de São José de Ubá, RJ. 2015
Pesticide exposure and respiratory symptoms among farmers in Sao Jose de Uba, Rio de Janeiro State, Brazil, 2015. 2015
Prevalence of respiratory symptoms among farmers exposed to pesticides considering smoking habits 2015
Health concerns of communities of family farmers in São José de Ubá, Rio de Janeiro, Brazil 2014
Distribution of net mercury methylatio potentials in a tropical wetland: lateral connectivity of water bodies as a factor of variance in the waterscape context 2014
Bioacumulação de 203Hg por Bunodosoma caissarum. 2012
Avaliação da contaminação por metais pesados na Bacia Hidrográfica de São Domingos 2012
Methylmercury formation in a mangrove ecosystem under different salinity conditions 2011
Mercury methylation in the sediment of a mangrove, Rio de Janeiro, Brazil 2011
Damming dams: higher Hg methylation outside than inside Samuel reservoir, Rondonia, Brazilian Amazon, implications for management 2009
Influence of metabolic inhibitors on mercury methylation and methane production in Amazonian sediments 2009
Methylmercury formation in aquatic systems: first evidence of mercury methylation in periphyton from a Patagonian lake. 2007
Efecto del mercúrio en las comunidades bacterianas naturales através de la técnica de incorporacion de [3H] 2007
A Metilação de mercúrio no perifíton associado às raízes da macrófita aquática Eichhornia crassipes em dois lagos do Rio de Janeiro: evidências da participação de diferentes microorganismos 2007
Metilação de mercúrio por microorganismos do perifiton associado as raizes da macrófita aquática Eichhornia crassipes em um lago do Riocentro, RJ. 2007
Distribution of microbial, chemical and geotechnical characteristics in tropical heterogeneous soil. 2007
Oil biodegradability in a residual soil from Rio de Janeiro 2007
La participación social en la implementación de políticas en salud, trabajo y medio ambiente ? el enfoque de la equidad social y de género. 2007
A structural analysis of the National Environmental and Occupational Health Network in Brazil using the Ecohealth Approach 2007
Atividade bacteriana associada a matrizes bentônicas de Arraial do Cabo com enfoque em filóide de Sargassum furcatum 2007
Methylmercury formation in aquatic systems: first evidence of mercury methylation in periphyton from a Patagonian lake. 2007
Guimarães JRD, Roulet M, Iniguez V, Miranda MR, Evangelista FSB, Correia RRS. Hg Methylation and the Microbial Consortium in Sediment and in Periphyton of Tropical Macrophytes: Effect of Different Inhibitors 2006
Community Network Analysis for Addressing Gender, Equity and Participation 2006
A Preliminary Study of Mercury Exposure and Blood Pressure in the Brazilian Amazon. 2006
Multidisciplinarity and Knowledge "Transfer" 2006
Blood Selenium and Mercury Relation in the Brazilian Amazon. 2006
The Importance of Aquatic Macrophytes in the Hg Cycle in Floodplain Lakes from Tapajós River, Brazilian Amazon. 2006
Hg Methylation and the Microbial Consortium in Sediment and in Periphyton of Tropical Macrophytes: Effect of Different Inhibitors 2006
Guimarães J.R.D.; Roulet M.; Alanoca, L.; Iñiguez V.; Salazar, Arteaga, D.; Chincheros, J. .Mercury Methylation in Sediment and Water Hyacinth Periphyton in the Beni Floodplain, Bolivian Amazon: Evidences on the Role of Different Microorganisms 2005
Incorporação de [3H]Leucina por Bactérias Perifíticas Associadas às Raízes de Eichhornia crassipes. 2005
Human exposure to mercury as a consequence of landscape management and socio-economical behaviors. Part I: The Brazilian Amazon case study. 2005
Mercury Methylation in Sediment and Water Hyacinth Periphyton in the Beni Floodplain, Bolivian Amazon: Evidences on the Role of Different Microorganisms. 2005
Methylmercury Production and Sulfate-Reducing Bacteria Identification in Sediment and Periphyton from Beni River Floodplain Lakes, Bolivian Amazon. 2005
Further Evidence of the Effects of Fruit Consumption in Lowering Mercury Exposure. 2005
Hg Release From Soils Following Deforestation and Agricultural Land-Use in Two Geologically Distinct Regions from the Amazon. 2005
Fish Consumption, Blood Selenium and Mercury Exposure in the Brazilian Amazon 2005
Fish Consumption, Mercury Exposure and Blood Pressure in The Brazilian Amazon. 2005
Microbiological aspects of crude oil biodegradation in tropical soil. 2005
Total mercury and organic micropollutants in top marine predators. In Elbestawy E, Mokliachuk L, Pidlisnyuk V et al (Ed.) 2005
Mercury Methylation and Bacterial Activity in Tropical Freshwater Phytoplankton. 2004
Aplicação do método PIXE (PARTICLE INDUCED X RAYS EMISSION) no estudo da exposição ocupacional a Tântalo e Nióbio. 2004
Human exposure to mercury as a consequence of landscape management and socio-economical behaviors. Part I: The Brazilian Amazon case study 2004
Methyl Mercury production in sediment from floodplain lakes in the Bolivian Amazon 2004
Methyl mercury and sulfate-reducing bacteria in the floating macrophyte rizosphere from an Amazonian floodplain lake, Bolivia. 2004
Mercury methylation in macrophyte-associated periphyton in floodplain lakes of the Amazon basin 2004
Guimarães JRD, Mauro JBN, Coelho-Souza SA, Poirier H, Lucotte M. Methylmercury in the Amazon: tracking were and how this potent neurotoxin is produced in aquatic environments. 2003
Transdisciplinaridade em estudos ecossistêmicos sobre saúde humana. 2003
Microbial activity during gasoline-ethanol degradation 2003
Enzymatic activity in a gasoline-ethanol contaminated soil 2003
Biodegradation of gasoline-ethanol mixture in residual soil 2003
Publish and perish or in memoriam of 203Hg: a summary of 13 years of research on Hg behaviour in tropical aquatic systems with a now vanished radiotracer 2003
Methylmercury in the Amazon: tracking were and how this potent neurotoxin is produced in aquatic environments 2003
Total mercury and organic pollutants in top marine predators 2003
Österreicher-Cunha P, Vargas EA, Guimarães JRD, Mano DM, Campos TM . Bioventing of a gasoline-ethanol contaminated undisturbed soil. 2002
Monitoring of gasoline-ethanol mixture degradation in undisturbed soil. 2002
Monitoring of gasoline-ethanol mixture degradation in undisturbed soi 2002
Monitoring of gasoline-ethanol degradation in undisturbed soil 2002
Adaptação da tecnica radioquímica de medida de sulfato-redução para raízes de Eichhornia crassipes da Lagoinha, Jacarépaguá RJ. 2002
Mercúrio total em tecido muscular de Prionace glauca (Linnaeus, 1758) e de Xiphyas gladius (Linnaeus, 1758) 2002
Bioventing of a gasoline-ethanol contaminated undisturbed soil 2002
Microbiological and physical monitoring of a gasoline contaminated soil 2001
Mercury contamination of Amazonian aquatic ecosystems: mixed influences of deforestation, food-web structure and environmental conditions 2001
Structure of the trophic chain and bioaccumulation of mercury in fish of the Tapajós river, Brazil. ) 2001
Mercury methylation potential by cianobacteria 2001
Re-evaluation of mercury contamination in Tucurui Reservoir. 2001
Hg methylation potential of aquatic macrophytes and microalgae of the Everglades nutrient removal area, Florida (USA) 2001
Hg methylation in the periphyton of Eichhornia crassipes estimated with a stable Hg isotope technique. 2001
The influence of the decomposition of the aquatic macrophyte Eichhornia azurea on the Hg-203 methylation 2001
Simultaneous dynamics of microbial activity and Hg methylation in the periphyton of macrophyte dominated wetlands 2001
Mercury methylation in the Tapajós river floodplain, Brazilian Amazon 2001
Mercury methylation in anoxic waters of a temperate lake 2001
Bioaccumulation and Biomagnification of Methyl Mercury in Tapajos River Food Webs, Brazilian Amazon 2001
The geochemical relationship between Mercury and oxy-hydroxides in Amazonian soils and sediments 2001
Bio-physical-chemistry of mercury in the tropics 1999
Mercury methylation in aquatic macrophytes of Brazilian wetlands 1999
Mercury levels on sediment cores from a non-gold mining area of the Brazilian Pantanal 1999
Comparação de métodos de conservação de amostras para determinação de carbono organico e inorganico dissolvido 1999
Metilação do mercúrio em macrófitas aquáticas e no sedimento de uma área alagável do rio Mogi-Guaçu (SP-Brasil) 1999
Net Hg methylation in sediment, water-hyacinth roots and associated solids from the Paraguay and Cuiabá rivers, lower Pantanal, Brazil 1999
Comparative tests on the efficiency of three methods of methylmercury extraction in environmental samples 1999
Mercury in sediments from a Hg impacted and a reference lake in Amapa, Brazilian Amazon: bioturbation blurs goldmining signature? 1999
Total mercury in edible tissues of sharks from the east Brazil offshore waters 1999
MeHg in the water column, plancton and epiphyton of an Amazonian river and floodplain, Tapajós river, Brazil 1999
Mercury methylation in macrophytes of a tropical freshwater lagoon 1999
Comparison of filtration and flocculation as methods for the concentration of suspended particulate material 1999
Hg0 and Hg2+ retention by a tropical epiphytic bromeliad and MeHg formation during storage 1999
Mercury in soils, sediments and fish around the Poconé gold mining area, Pantanal, Brazil: some mobilization but no health risks 1999
Mercury fluxes in a tropical forested small catchment (Serra do Navio, Amapá State, Brazil). 1999
Evaluation of environmental Hg gradients using aquatic macrophytes and sediments in a gold mining area in the Brazilian Amazon 1999
Total Hg concentrations in piscivorous fishes from the Cuiabá and Paraguay rivers, Pantanal, Brazil 1999
Total Hg in sediments from the Cuiabá and Paraguay rivers, Pantanal, Brazil 1999
Mercury methylation in Eichhornia azurea roots and sediments during a seasonal cycle in a Brazilian lake 1999
Estimation of environmental and occupational air Hg contamination using the bromeliad Tillandsia usneoides 1999
Methylmercury production in different flooded areas in Brazil: always higher in macrophyte mats than in underlying surface sediments and flooded soils 1999
Mercury distribution in a tropical eutrophicated lagoon 1999
Mercury accumulation in natural forested Amazonian soils 1999
Mercury vapour, Hg2+ and methylmercury interaction with common laboratory materials 1999
Evaluation of mercury levels in sediments and soil samples from Vila Nova river basin, in Amapá State, Brazil, using neutron activation analysis 1999
Mercury concentration in suspended particulate matter and bottom sediment samples of the Rato river, Itaituba, Pará State, Brazil 1999
Influencia das águas escuras na concentração de Mercúrio em peixes do Pantanal 1998
Mercury methylation in the roots of the tropical water hyacinth Eichhornia crassipes: influence of physical and chemical parameters 1998
Dinâmica do Mercúrio na Lagoinha (RJ) 1998
Methylmercury production and accumulation in sediments of an Amazonian floodplain lake: effect of the seasonal inundation 1998
Comparative tests on the efficiency of three methods of methylmercury extraction in environmental samples 1998
methylcobalamin-induced methylation of mercury in freshwater sediments 1998
Influence of electrical conductivity on biological mercury methylation in the roots of macrophyte Eichornia crassipes 1998
Mercúrio em raiz e limbo de Eichhornia azurea da região a jusante do garimpo de Tartarugalzinho (AP, Brasil) 1998
Evaluation of mercury methylation capacity in fresh and pre-dried sediments using Hg-203 isotope 1997
Metilação e incorporação de mercúrio pela biota da Baia de Guanabara, RJ, Brasil. 1997
Evaluation of mercury levels in bottom sediments from Serra do Navio using a radiochemical procedure 1997
Análise multielementar de sedimentos da Serra do Navio e Bacia do Rio Vila Nova, Amapá, pelo método de ativação neutronica 1997
Potencial de metilação do Mercúrio no detrito de Eleocharis sellowiana, Maricá, RJ 1997
Mass balance of Mercury in a forested amazonian watershed (Serra do Navio, State of Amapá, Brazil) 1997
Metilação de Mercúrio em Raiz de Eichhornia crassipes e Sedimento Orgânico sob Diferentes Condições de Oxigenação 1997
Influência da Temperatura e do pH na Metilação de Mercúrio em Raiz de Eichhornia crassipes 1997
Mercury monitoring from a contaminated and a control lake in Amapá (Brazilian Amazon) by means of carnivorous fish 1997
Mercury in human and environmental samples from two lakes in Amapá, Brazilian Amazon: natural background and anthropogenic contamination 1997
Data on mercury and methyl mercury in environmental and human samples from new study areas in Brazil: Balbina Reservoir and Poconé (Pantanal wetland) 1996
Mercury methylation in tropical river and lake sediments: important sites and influencing factors investigated by radiochemical techniques 1996
Comparação da filtração e da floculação como métodos de concentração de material particulado em suspensão visando análises de Hg total 1996
Bioaccumulation of mercury in tropical river food webs (Amazon): similar patterns as in boreal lakes 1996
Mercury concentrations in tropical (Amazon) and boreal freshwater fish: natural spatial variability and pollution effects 1996
Methylmercury analysis in hair samples from Amazon done in Brazil 1996
Determination of total mercury in sediment samples from Serra do Navio, Amapá, Brazil, by neutron activation analysis 1996
Hg net methylation in a lake of the Pantanal wetland, Brazil 1996
Seasonal and spatial variations of Hg net methylation in a floodplain lake of the Tapajós river, Brazil 1996
Calibração do biomonitor Tillandsia usneoides para avaliação ambiental e ocupacional de mercúrio atmosferico. 1996
Avaliação preliminar da taxa de metilação de Hg no sistema dos rios Acari e São João do Meriti, Baia de Guanabara (RJ) 1996
Followe-up of mercury levels in fish, human hair and urine in the Madeira and Tapajós basins, Amazon, period 1990-95 1996
Evolution of mercury levels in critical compartments (fish, human hair and urine) in different goldmining areas, Amazon. 1995
Influence of biological and environmental factors on the methylation of Hg in lake sediments of the Pantanal floodplain, Brazil 1995
Mercury in fishes of the Madeira and Negro river basins, Amazon; gold mining and biogeochemical factors 1995
Bacterial mercury methylation in sediment, water and other samples of aquatic systems in the Amazon 1995
Fish and human hair as biomonitors of Hg contamination on Tapajós, Madeira and Negro River basins, Amazon, Brazil. 1994
A summary of data on net mercury methylation rates in sediment, water, soil and other samples from the Amazon region obtained through radiochemical methods 1994
Estabilidade química do MeHg em Hamsters neonatos e adultos 1994
Retention of Hgo, Hg2+ and MeHg by synthetic materials of current laboratory use 1994
Atuação do Departamento de Proteção Radiológica Ambiental/CNEN na cidade de Goiania 1993
Distribuição de mercúrio nos órgãos de hamsters contaminados durante a vida embrionária 1993
Radiochemical measurements of net mercury methylation rates in sediments and soils near goldmining fields in the Tapajós river region, Brazilian Amazon. 1993
Radiochemical determination of net mercury methylation rates in sediment, water and soil samples from the Amazon region 1993
Accumulation of metallic mercury and natural amalgams findings in Madeira river basin bottom sediments, Amazon 1993
Biogeochemistry of mercury in bottom sediments from the Madeira river basin, Rondonia, Brazil 1993
Central Nuclear Almirante Álvaro Alberto, Angra dos Reis, Brasil, 1979-1991: 12 anos de monitoração ambiental 1992
Radiochemical measurements of net Hg methylation rates in aquatic systems near gold mining areas, Amazon, Brazil 1992
210Pb uptake by a tropical brown seaweed (Padina gymnospora) 1991
Cesium-137 pre-concentration from water samples using a Prussian Blue impregnated resin 1991
Aspectos do comportamento do Mercúrio em águas naturais: volatilização e adsorção 1991
Uptake and release of 65Zn by Padina gymnospora from Sepetiba Bay, Rio de Janeiro, Brazil 1990
Utilização de traçadores radioativos no estudo da bioacumulação de chumbo em Padina gymnospora (Phaeophyceae) 1990
51Cr accumulation by a tropical marine alga, Padina gymnospora (Phaeophyceae) 1990
Environmental impact of the Goiania radiological accident 1988
Monitoração do Cs-137 no ambiente aquático e terrestre de Goiania 1988
Environmental monitoring of the Angra reactor site 1986
Decomposição de litter de Rhizophora mangle e Laguncularia racemosa no manguezal de Coroa Grande, R.J. 1983
Iodine bioaccumulation by seaweeds from the Angra dos Reis region 1983
Cr, Cd and Zn accumulation by white mangrove (Avicennia schaueriana) at three sites in Rio de Janeiro state 1982
Seasonal variation of Cu in benthic marine algae under natural conditions 1982
Incorporação de produtos de fissão em algas bentônicas da região de Angra dos Reis 1981
Metais pesados em algas bentônicas da Baia da Ribeira, Angra dos Reis 1981
Incorporação de Cs-137 e Co-60 em algas bentonicas de Angra dos Reis (Acanthophora spicifera, Padina vickersiae e Sargassum sp.) 1981
Programa de estudos ambientais do Lab. de Radioisótopos, Inst. de Biofísica da UFRJ, II 1980
Programa de estudos de poluição convencional do Lab. de Radioisótopos, Inst. de Biofísica da UFRJ 1980
Determinação de metais pesados em organismos da faixa de maré de uma praia poluída da Baia de Guanabara 1979
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