H. D. Assis

Publications24
h-index8
Citations355
Highly Influential Citations21
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Effects of deltamethrin on hematological parameters and enzymatic activity in Ancistrus multispinis (Pisces, Teleostei)
Abstract Deltamethrin (DM) is a pyrethroid insecticide widely used in Brazilian crops and in pest-control programs because of its low environmental persistence and toxicity. It has been shown to… Expand
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An assessment of acute biomarker responses in the demersal catfish Cathorops spixii after the Vicuña Oil Spill in a harbour estuarine area in Southern Brazil
The Vicuña oil tanker exploded in Paranaguá Bay (South of Brazil), during methanol unloading operations in front of Paranaguá Harbour, on November 15th, 2004, releasing a large amount of bunker oil… Expand
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Biochemical biomarkers of exposure to deltamethrin in freshwater fish, Ancistrus multispinis
ABSTRACT This study aimed to determine the effect of sublethal doses of deltamethrin, using biochemical biomarkers as activities of cholinesterase (ChE), ethoxyresorufin-O-deethylase (EROD) and the… Expand
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Biomarkers responses in fish (Atherinella brasiliensis) of paranaguá bay, southern Brazil, for assessment of pollutant effects
A Baia de Paranagua e um complexo estuarino localizado no sul do Brasil constituido de tres areas de protecao ambiental listadas pela UNESCO. Historicamente, o estuario tem sido afetado por atividade… Expand
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ASPECTOS REPRODUTIVOS DO PEIXE-ZEBRA, Danio rerio, EXPOSTO A DOSES SUBLETAIS DE DELTAMETRINA
The deltamethrin is listed by the Environmental Protection Agency of the United States (USEPA) as a possible endocrine disruptor, being able to interfere in the reproductive system. It is a… Expand
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Erratum to “Effects of dietary Pb(II) and tributyltin on neotropical fish, Hoplias malabaricus: Histopathological and biochemical findings” [Ecotoxicol. Environ. Safety 60 (2005) 147–156]
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Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests
Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests. Organophosphate compounds are used in agro-systems, and in… Expand
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Evaluation five years after a Refinary Oil Spill in freshwater wetland - Paraná State, Southern of Brazil
In order to evaluate the Getulio Vargas refinery oil spill - 2000, Parana State - Brazil the presence of PAHs in the sediment, PAHs bioavailability through bile chemical analysis and biochemical and… Expand
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Cytochrome P450 detection in liver of the catfish Ancistrus multispinis (Osteichthyes, Loricariidae)
Respostas biologicas sensiveis aos contaminantes ambientais sao uteis para prever efeitos prejudiciais devido a exposicoes cronicas. Padronizacao de protocolos para quantificar parâmetros bioquimicos… Expand
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Efeitos do endosulfano em concentrações subletais em carpas (Cyprinus carpio, Linnaeus, 1758): Análises morfométricas, histológicas e ultraestrutural e avaliação da atividade da colinesterase
Endosulfan, an organochlorine pesticide, has been banned by most developed countries, although it is still produced, sold and used in developing countries. Used for control in crops, as well as for… Expand
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