Search Results - "Assis, Helena C. Silva de"

Incorporating a weight‐of‐evidence approach into a tiered assessment for chemicals management, with emphasis on program development and applications in developing countries and emerging economies by Menzie, Charles A., Guiney, Patrick D., Belanger, Scott E., Lee, Kuan‐Chun, Arts, Gertie, Opeolu, Beatrice Olutoyin, Silva de Assis, Helena C.

“…A flexible approach is described for incorporating a weight‐of‐evidence (WoE) methodology into a tiered ecological risk assessment (ERA)/management framework…”
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Evaluation of Resistance Management for the Oriental Fruit Moth (Lepidoptera: Tortricidae) to Insecticides in Brazilian Apple Orchards by Monteiro, Lino Bittencourt, Witt, Luis Gustavo, Guiloski, Izonete Cristina, Silva dos Santos, Regis Silvori, Silva de Assis, Helena C

“…The oriental fruit moth, Grapholita molesta (Busk, 1916), is one of the most important pests in apple orchards in southern Brazil. Chemical control is still…”
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Estrogen-like Effects in Male Goldfish Co-exposed to Fluoxetine and 17 Alpha-Ethinylestradiol by Silva de Assis, Helena C, Simmons, Denina B. D, Zamora, Jacob M, Lado, Wudu E, Al-Ansari, Ahmed M, Sherry, James P, Blais, Jules M, Metcalfe, Chris D, Trudeau, Vance L

“…The antidepressant fluoxetine (FLX) and the synthetic estrogen, 17 alpha-ethinylestradiol (EE2), are present in municipal sewage discharges. To better…”
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Factors that alter the biochemical biomarkers of environmental contamination in Chironomus sancticaroli (Diptera, Chironomidae) by Rebechi-Baggio, Débora, Richardi, Vinicius S., Vicentini, Maiara, Guiloski, Izonete C., Assis, Helena C. Silva de, Navarro-Silva, Mário A.

“…Changes in physiology of the nervous system and metabolism can be detected through the activity of acetylcholinesterase (AChE), alpha esterase (EST-α) and beta…”
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Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests by Rebechi, Débora, Richardi, Vinicius S., Vicentini, Maiara, Guiloski, Izonete C., Assis, Helena C. Silva de, Navarro-Silva, Mário A.

“…Low malathion concentrations influence metabolism in Chironomus sancticaroli (Diptera, Chironomidae) in acute and chronic toxicity tests. Organophosphate…”
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Temperature rise and its influence on the toxic effects caused by cyanotoxins in a neotropical catfish by Vicentini, Maiara, Calado, Sabrina L.M., Pessati, Jacqueline B.K., Perussolo, Maiara C., Lirola, Juliana R., Marcondes, Fellip R., Nascimento, Natália do, Beghetto, Camila L., Vilar, Mauro C.P., Mela, Maritana, Coral, Lucila A.A., Magalhães, Valéria F., Prodocimo, Viviane, Cestari, Marta M., Silva de Assis, Helena C.

“…Potentially toxic cyanobacterial blooms (cyanoHABs) have become a problem in public water supply reservoirs. Temperature rise caused by climate change can…”
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Co-exposure effects of lead and TiO2 nanoparticles in primary kidney cell culture from the freshwater fish Hoplias malabaricus by Ribas, João Luiz Coelho, Rossi, Stéfani, Galvan, Gabrieli Limberger, de Almeida, William, Cestari, Marta Margarete, Silva de Assis, Helena C., Zampronio, Aleksander R.

“…This study evaluated the effects of Lead (Pb) and titanium dioxide nanoparticles (TiO2 NPs) alone or in combination in anterior kidney macrophages of the…”
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Toward sustainable environmental quality: Identifying priority research questions for Latin America by Furley, Tatiana Heid, Brodeur, Julie, Silva de Assis, Helena C, Carriquiriborde, Pedro, Chagas, Katia R, Corrales, Jone, Denadai, Marina, Fuchs, Julio, Mascarenhas, Renata, Miglioranza, Karina SB, Miguez Caramés, Diana Margarita, Navas, José Maria, Nugegoda, Dayanthi, Planes, Estela, Rodriguez‐Jorquera, Ignacio Alejandro, Orozco‐Medina, Martha, Boxall, Alistair BA, Rudd, Murray A, Brooks, Bryan W

“…ABSTRACT The Global Horizon Scanning Project (GHSP) is an innovative initiative that aims to identify important global environmental quality research needs…”
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Cytotoxicity and enzymatic biomarkers as early indicators of benthic responses to the soluble-fraction of diesel oil by Braga, Mariana Araki, Brauko, Kalina M., Vicentini, Maiara, Salgado, Lilian D., Silva de Assis, Helena C., Dolatto, Rafael Garrett, Grassi, Marco T., Sandrini-Neto, Leonardo, Lana, Paulo C.

“…Xenobiotics from oil tanker leaks and industrial discharges are amongst the main human impacts to confined coastal areas. We assessed the genotoxic responses…”
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Inhibition of immune responses and related proteins in Rhamdia quelen exposed to diclofenac by Ribas, João L.C., Sherry, James P., Zampronio, Aleksander R., Silva de Assis, Helena C., Simmons, Denina B.D.

“…Nonsteroidal anti‐inflammatory drugs are among the most widely detected pharmaceuticals in surface water worldwide. The nonsteroidal anti‐inflammatory drug…”
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Photochemical degradation increases polycyclic aromatic hydrocarbon (PAH) toxicity to the grouper Epinephelus marginatus as assessed by multiple biomarkers by Salvo, Lígia M., Severino, Divinomar, Silva de Assis, Helena C., da Silva, José Roberto M.C.

“…The effects of halogen-light-irradiated and non-irradiated PAHs on the grouper Epinephelus marginatus were assessed through biomarkers including morphometric…”
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Assessment of the sublethal toxicity of organochlorine pesticide endosulfan in juvenile common carp (Cyprinus carpio) by Salvo, Lígia M, Bainy, Afonso C. D, Ventura, Eliana C, Marques, Maria R. F, Silva, José Roberto M. C, Klemz, Cláudio, Silva de Assis, Helena C

“…This study is aimed at evaluating the sublethal effects of endosulfan (EDS) in juvenile common carp (Cyprinus carpio). For this purpose, fish were exposed for…”
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Saxitoxins induce cytotoxicity, genotoxicity and oxidative stress in teleost neurons in vitro by Silva, Cesar Aparecido da, Morais, Elizabeth Cunha Penna de, Costa, Michele Dietrich Moura, Ribas, João Luiz Coelho, Guiloski, Izonete Cristina, Ramsdorf, Wanessa A., Zanata, Silvio Marques, Cestari, Marta M., Oliveira Ribeiro, Ciro Alberto, Magalhães, Valéria F., Trudeau, Vance L., Silva de Assis, Helena C.

“…The aim of this study was establish a protocol for isolation and primary culture of neurons from tropical freshwater fish species Hoplias malabaricus for…”
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Antioxidant defense responses in Mytella guyanensis (Lamarck, 1819) exposed to an experimental diesel oil spill in Paranaguá Bay (Paraná, Brazil) by Marques, Joseane A., Silva de Assis, Helena C., Guiloski, Izonete C., Sandrini-Neto, Leonardo, Carreira, Renato S., Lana, Paulo C.

“…We evaluated the effects of diesel oil on the bivalve Mytella guyanensis using biomarkers of oxidative stress (glutathione S-transferase, glutathione…”
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Water acidification causes death of marine ornamental fish (Perciformes: Pomacentridae) during transport: contributing to the conservation of wild populations by Sampaio, Flavia D.F., Silva-de-Assis, Helena C., Bettim, Franciele L., Fávaro, Luís F., Freire, Carolina A.

“…Pomacentridae is a common family in the aquarium fish trade. Most species are harvested from nature. Here we evaluate the following water parameters in the…”
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Synthesis, Characterization, and Low-Toxicity Study of a Magnesium(II) Complex Containing an Isovanillate Group by Marchi, Rafael C, Silva, Eldevan S, Santos, Josenilton J, Guiloski, Izonete C, de Jesus, Hugo Cesar R, de Aguiar, Inara, Kock, Flavio V. C, Venâncio, Tiago, da Silva, Maria Fátima G. F, Fernandes, João Batista, Vital, Maria A. B. F, Souza, Leonardo Castro, Silva de Assis, Helena C, Skibsted, Leif H, Carlos, Rose M

“…The beneficial effect of polyphenols and magnesium­(II) against oxidative stress motivated our research group to explore the antioxidant activity of phenMgIso,…”
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Toxicity assessment of 2,4-D and MCPA herbicides in primary culture of fish hepatic cells by Salvo, Lígia M., Malucelli, Maria Ivette C., da Silva, José Roberto M. C., Alberton, Geraldo C., Silva De Assis, Helena C.

“…In this study, we used primary cultures of fish hepatic cells as a tool for evaluating the effects of environmental contamination. Primary hepatic cell…”
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Embryotoxicity and Biotransformation Responses in Zebrafish Exposed to Water-Soluble Fraction of Crude Oil by Pauka, Luciana M., Maceno, Marcell, Rossi, Stefani C., Silva de Assis, Helena C.

“…The toxic effects of water-soluble fraction (WSF) of crude oil (API27, Petrobras Campos Basin, Brazil) were evaluated during the early life stages of…”
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Effects of trophic exposure to diclofenac and dexamethasone on hematological parameters and immune response in freshwater fish by Ribas, João Luiz Coelho, Zampronio, Aleksander R., Silva de Assis, Helena C.

“…The aim of the present study was to evaluate the effects of diclofenac and dexamethasone on hematological parameters and immune response in the fish species…”
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Pre and postnatal exposure to endosulfan in Wistar rats by Dalsenter, Paulo R, de Araújo, Samanta L, de Assis, Helena C da Silva, Andrade, Anderson J M, Dallegrave, Eliane

“…The possible reproductive adverse effects of the pesticide endosulfan on male offspring rats exposed in utero and during lactation were investigated. Dams were…”
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