Výsledky vyhledávání - "Ézio Sargentini Junior"

Akademický článek

GEOACCUMULATION INDEX OF MERCURY ON IGARAPÉ OF EDUCANDOS BASIN (MANAUS/AMAZONAS)

Autor: Larissa Torrezani, Ézio Sargentini Junior, Cássio Augusto de Oliveira, Genilson Pereira Santana

Publikováno v: The Journal of Engineering and Exact Sciences, Vol 2, Iss 3, Pp 161-170 (2016)

The Amazon is a region known worldwide for its biodiversity, but also has high mercury levels in various compartments of the environment. In this work, Hg was determined in sediment of Educandos Basin, one of the most populated regions of Manaus (AM)

Externí odkaz: https://doaj.org/article/46472907902a460bac2b73ed1396d5fd

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Akademický článek

Extração de matéria orgânica aquática por abaixamento de temperatura: uma metodologia alternativa para manter a identidade da amostra Extraction of aquatic organic matter by temperature decreasing: an alternative methodology to keep the original sample characteristics

Autor: Rosana N. H. Martins de Almeida, Antonio Aparecido Mozeto, Luiz Fabrício Zara, André Henrique Rosa, Julio Cesar Rocha, Luciane Pimenta Cruz Romão, Ézio Sargentini Junior

Publikováno v: Química Nova, Vol 26, Iss 2, Pp 208-212 (2003)

In this work was developed an alternative methodology to separation of aquatic organic matter (AOM) present in natural river waters. The process is based in temperature decreasing of the aqueous sample under controlled conditions that provoke the fre

Externí odkaz: https://doaj.org/article/3dbfadd3ca1c4e7f95be28fd75a17a91

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Eficácia da hipoxantina-3-N-óxido como método alternativo na proteção da ictiofauna em usinas hidrelétricas

Autor: Wllyane Silva Figueiredo, Tania Machado Da Silva, Edilene Cristina Pereira Sargentini, Marcos Alexandre Bolson, Gilmar Martins Pereira, Caio Prior Rocha, Ézio Sargentini Junior

Publikováno v: Brazilian Journal of Animal and Environmental Research. 6:1108-1116

As substâncias de alarme, liberadas após danos às células epidérmicas de peixes, é um dos sinais mais eficientes no grupo Osteriophysan, isto é, 72% das espécies de água doce. A hipoxantina-3-N-óxido é indicada como um dos possíveis compo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b76d17ab6394c1938dd4a4cd43f04c32
https://doi.org/10.34188/bjaerv6n2-013

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Redução da toxicidade aguda de cobre por substância húmica aquática, utilizando o organismo-teste Artêmia salina / Reduction of acute toxicity of copper by aquatic humic substances, using the Artêmia saline test organism

Autor: Claudia M. do Valle, Natascha Braga Araújo (Author), Henrique Alves Da Silva (Author), Ézio Sargentini Junior (Author)

Publikováno v: Claudia M. do Valle

Neste estudo foi avaliado o potencial que a substância húmica aquática (SHA) possui em reduzir a toxicidade do cobre, utilizando Artêmia salina (Branchipus stagnalis) como organismo-teste. Foi feita a eclosão dos cistos de artêmias utilizando u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38022c826b71eabb380dda6cb0e482c3
https://doi.org/10.34117/bjdv8n7-072

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Determination of Labile Mercury in Impressions of Total Solids Suspended in Natural Waters by Direct Analysis by Thermal Decomposition Comparing via Cold Steam Atomic Fluorescence Spectrometry

Autor: Amauri Antonio Menegário, Marcos A. Bolson, Larissa Torrezani, Siomara D. da Rocha, Raiza F. da Silva, Ézio Sargentini Junior

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Made available in DSpace on 2022-04-29T08:29:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-11-01 This work presents the validation of an analytical method for determining the lip fraction of Hg in water bottles. One proposal was reduced i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce6a1de7a5bc6921a47a6deaae1bb3ef
https://doi.org/10.21577/1984-6835.20200108

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SPACE-TEMPORAL BIOGEOCHEMISTRY OF THE LITTER IN A NATURAL FOREST ENVIRONMENT IN THE CENTRAL AMAZON

Autor: Sávio José Filgueiras Ferreira, Ananda Gabrielle de Matos Rebêlo, Eduardo Villamizar, Sergio Duvoisin Junior, Maria Inês Couto Monteiro, Marcos A. Bolson, Ézio Sargentini Junior

Publikováno v: Química Nova v.44 n.10 2021
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 44, Iss 10, Pp 1252-1260 (2021)
Química Nova, Volume: 44, Issue: 10, Pages: 1252-1260, Published: 20 DEC 2021

SPACE-TEMPORAL BIOGEOCHEMISTRY OF THE LITTER IN A NATURAL FOREST ENVIRONMENT IN THE CENTRAL AMAZON. This research was aimed to evaluate the concentration of 15 chemical elements as a reference base for the quality of the litter in a forest in the cen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d54651a0ef403a192d7095ff919f3e0
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422021001001252

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Influence of environmental conditions on the mercury levels of the sediment along the Balbina Reservoir, Brazilian Amazon

Autor: Ézio Sargentini Junior, Luiz Fabrício Zara, Larissa Torrezani, Daniele Kasper, Marcos A. Bolson, Cássio Augusto da Silva Oliveira

Publikováno v: Environmental monitoring and assessment. 193(1)

Mercury dynamics in hydroelectric reservoirs have been studied worldwide. In tropical reservoirs, especially in those of the Amazon, the influence of geochemistry on Hg levels along this aquatic system is not well understood. The main objective of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b6154529ee141afb6058387febdc740
https://pubmed.ncbi.nlm.nih.gov/33420665

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Metals, n-Alkanes, Hopanes, and Polycyclic Aromatic Hydrocarbon in Sediments from Three Amazonian Streams Crossing Manaus (Brazil)

Autor: Laís A. Reis, Giovana A. Bataglion, Ézio Sargentini Junior, Marcos A. Bolson, Gilcllys de Souza Costa, Leonildo G. de Castro, Moacir Guimarães de Melo, Hector H. F. Koolen, Felipe M. A. da Silva, Jamal da Silva Chaar

Publikováno v: Chemistry
Volume 2
Issue 2
Pages 18-292

Pollution is increasing in the Amazon region and its real impact is still unclear. Since this region is of great interest to the global community, this study aimed to assess geochemical biomarkers and metals in sediments from three streams crossing M

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d04a0d5cda29bd60d89d30c7de737916

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