Article
Environmental Sciences
Monike Felipe Gomes, Vinicius de Carvalho Soares de Paula, Lucia Regina Rocha Martins, Juan Ramon Esquivel Garcia, Flavia Yoshie Yamamoto, Adriane Martins de Freitas
Summary: The study assessed the toxicity of triclosan, triclocarban, and their binary mixture on catfish embryos at environmentally relevant concentrations. The results showed potential toxicity of these chemicals even at low concentrations and short exposure periods.
Article
Fisheries
Marlise Teresinha Mauerwerk, Izabel Wolkweis Zadinelo, Marcos Cesar Zanella Junior, Rafael Ernesto Balen, Robie Allan Bombardelli, Lilian Carolina Rosa da Silva, Lilian Dena dos Santos, Fabio Meurer
Summary: The study evaluated the use of raw glycerol as a corn substitute in the feeding of silver catfish fingerlings, showing high potential without affecting animal performance or health.
Article
Environmental Sciences
Rafael Shinji Akiyama Kitamura, Maiara Vicentini, Maiara Carolina Perussolo, Juliana Roratto Lirola, Camilla Freitas Cirilo dos Santos, Julio Cesar Moreira Brito, Marta Margarete Cestari, Maritana Mela Prodocimo, Marcelo Pedrosa Gomes, Helena Cristina Silva de Assis
Summary: This study investigated the sublethal effects of short-term exposure to different concentrations of Ciprofloxacin on Neotropical catfish. The results showed that Ciprofloxacin caused genotoxicity and adverse effects on hematological and histopathological parameters in the fish. These findings highlight the need for attention and monitoring of Ciprofloxacin concentrations in aquatic environments.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Debora Seben, Joseania Salbego, Elisia Gomes da Silva, Luciane Tourem Gressler, Bernardo Baldisserotto, Enio Marchesan, Renato Zanella, Vania Lucia Loro, Barbara Estevao Clasen, Jaqueline Ineu Golombieski
Summary: The study found that silver catfish exhibited biochemical and ionic changes after exposure to chlorantraniliprole insecticide, with these changes persisting even after 96 hours of recovery in clean water.
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
(2021)
Article
Food Science & Technology
Camila Giacomelli da Silva, Angela Souza Rodrigues, Ana Carolina Lima, Renius de Oliveira Mello, Fernando Dal Pont Morisso, Rosa Cristina Prestes Dornelles, Ernesto Hashime Kubota
Summary: This study utilized the skin of Rhamdia quelen to extract gelatin and characterized its properties. The gelatin showed high protein content, low mineral residue and lipid content, and a high hydroxyproline content. Various analyses demonstrated the gelatin's emulsifying properties, foaming capacity, and dispersibility.
FOOD RESEARCH INTERNATIONAL
(2022)
Article
Environmental Sciences
Eduardo Severo, Aline Marins, Charlene de Menezes, Mauro Nunes, Camila Murussi, Dennis Guilherme da Costa-Silva, Tamiris Rosso Storck, Osmar Damian Prestes, Martha Bohrer Adaime, Vania Lucia Loro, Barbara Clasen
Summary: Aquatic environments are impacted by pesticide use in agriculture, and in situ exposure is an alternative method to evaluate its effects on wildlife. In this study, Rhamdia quelen fish were used as bioindicators in an in situ experiment. After 96 hours of exposure in three different locations in Vacacai river, Southern Brazil, biochemical assays were conducted on the fish's brain, gills, liver, and muscles. Significant changes were observed in areas close to agricultural crops and urban areas, with elevated levels of carbonyl proteins in the brain, gills, and liver, disruptions in acetylcholinesterase activity in the muscle, and changes in glutathione S-transferase activity indicating potential contamination. R. quelen proved to be an effective bioindicator, responding to the environment they were inserted into.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Fisheries
Eduardo da Silva, Gabriel Tobias Deschamps, Fabiano de Lima Matter, Fabiano Cleber Bertoldi, Manuel Aldegunde, Deivisson Ferreira da Silva, Carlize Lopes, Adolfo Jatoba, Robilson Antonio Weber
Summary: The study determined the lowest effective concentration of eucalyptus essential oil as an anaesthetic for Rhamdia quelen. While it proved to be effective, caution is advised as it did not prevent changes in plasma glucose and lactate levels.
AQUACULTURE RESEARCH
(2021)
Article
Environmental Sciences
Fernanda Bernardi, Juliana Roratto Lirola, Marta Margarete Cestari, Robie Allan Bombardelli
Summary: This study evaluated the effects of 2,4-D, glyphosate, and their mixture on oxidative stress, genotoxicity, and the rates of fertilization, hatching, and larval normality in silver catfish. The results showed that glyphosate and the mixture significantly decreased fertilization and hatching, while 2,4-D and the mixture caused genetic damage to the larvae.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2022)
Article
Agriculture, Dairy & Animal Science
Leticia Lopes da Costa, Taida Juliana Adorian, Fernanda Rodrigues Goulart, Jossiele Leitemperger, Aline M. B. do Amaral, Vania Lucia Loro, Silvino Sasso Robalo, Leila Picolli da Silva
Summary: In this study, it was found that supplementation of phytic acid at a low concentration (10.00 g/kg) promoted better performance and body composition of silver catfish, without negatively affecting digestive enzyme activity. Furthermore, phytic acid reduced prooxidant enzyme activity and increased antioxidant activity in the fish.
ANIMAL FEED SCIENCE AND TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Diego Henrique Mirandola Dias Vieira, Rodrigo Bravin Narciso, Reinaldo Jose da Silva
Summary: During a survey in Brazil, three new species of Henneguya parasites were found in the gills of Rhamdia quelen, an important fish in South America. The phylogenetic analysis showed a relationship between these species and others that infect Siluriformes, suggesting they belong to a lineage of myxozoans infecting Heptapteridae fishes.
SCIENTIFIC REPORTS
(2022)
Article
Environmental Sciences
Natalia Golin, Luiza Santos Barreto, Luise Esquivel, Tugstenio Lima de Souza, Mariana Gallucci Nazario, Andrea Pinto Oliveira, Cesar Castro Martins, Ciro Alberto de Oliveira Ribeiro
Summary: The Iguacu River basin is ecologically important due to its endemic fish species. However, chemical pollution poses a threat to this biodiversity. This study evaluated the toxic effects of the Iguacu and Jorda tilde o rivers, as well as their combination, on the embryo-larval phase of R. quelen. Mathematical modeling showed that fish exposed to Jorda tilde o River experienced the greatest population reduction, followed by the Iguacu River. The Jorda tilde o River was found to be most impacted by micro-pollutants.
Article
Fisheries
Mariana Lins Rodigues, Danielle Zanerato Damasceno, Ricarcio Luan Marques Gomes, Bruno dos Santos Sosa, Evandro Bilha Moro, Wilson Rogerio Boscolo, Fabio Bittencourt, Altevir Signor
Summary: The study demonstrated that adding 0.60 g/kg of probiotics to diets for Rhamdia quelen enhances its growth performance and physiological status. However, adding 0.30 g/kg may have detrimental effects on certain physiological parameters.
AQUACULTURE NUTRITION
(2021)
Article
Fisheries
Maritza Perez-Atehortua, Andrea Giannotti Galuppo, Romulo Batista Rodrigues, Thales de Souza Franca, Nathalia dos Santos Teixeira, Thaiza Rodrigues de Freitas, Lis Snantos Marques, Itamar Cossina Gomes, Jhony Lisboa Benato, Thales Flores, Eduardo Antonio Sanches, Ana Regina Seabra de Souza, Ivan Bustamante, Monike Quirino, Fernando Pandolfo Bortolozzo, Danilo Pedro Streit Jr
Summary: The use of centrifugation techniques, including differential and density gradient separation, showed positive effects on sperm functionality and fertilization capacity in thawed milt.
Article
Fisheries
Luana da Costa Pires, Patricia Rodrigues, Quelen Iane Garlet, Luisa Barichello Barbosa, Bibiana Petri da Silveira, Guerino Bandeira Junior, Lenise de Lima Silva, Amanda Gindri, Rodrigo Coldebella, Cristiane Pedrazzi, Agueda Palmira Castagna de Vargas, Bernardo Baldisserotto, Berta Maria Heinzmann
Summary: Maclura tinctoria, a tree species from Brazil rich in phenolic compounds, was evaluated for its antimicrobial and sedative effects against fish pathogenic bacteria. The heartwood extract (HE) showed the best antimicrobial activity and sedative effects, making it suitable for use as a sedative for silver catfish in aquaculture.
Article
Environmental Sciences
Eduarda Roberta Bordin, Flavia Yoshie Yamamoto, Yorrannys Mannes, Renan Cesar Munhoz, Juan Ramon Esquivel Muelbert, Adriane Martins de Freitas, Marta Margarete Cestari, Wanessa Algarte Ramsdorf
Summary: The objective of this study was to evaluate the effects of exposure to atrazine and glyphosate, both separately and in mixtures, on South American catfish embryos. The embryos showed sublethal effects such as fin damage and axial and thoracic damage. The mixture of active ingredients caused an increase in SOD and GST, while the mixture of commercial formulations did not. The activity of AChE was significantly reduced after exposure to atrazine and the mixture of active ingredients. The herbicide mixtures were found to be more toxic to the embryos compared to individual herbicides.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2023)
Article
Energy & Fuels
Tailor Machado Peruzzolo, Joao Felipe Stival, Loana Mara Baika, Luiz Pereira Ramos, Marco Tadeu Grassi, Maria Luiza Miranda Rocco, Shirley Nakagaki
Summary: Different solid catalysts were prepared by impregnation of tungsten species on commercial mesoporous silica. The catalytic results suggested that polytungstate species formed on the silica surface may play an important role in the esterification reaction.
Article
Environmental Sciences
Paloma Kachel Gusso-Choueri, Rodrigo Brasil Choueri, Giuliana Seraphim de Araujo, Ana Carolina Feitosa Cruz, Tatiana Roselena de Oliveira Stremel, Sandro Xavier de Campos, Denis Moledo de Souza Abessa, Ciro Alberto de Oliveira Ribeiro
Summary: This study evaluated the effectiveness of integrating individual histopathological responses with contaminant results through multivariate analysis in assessing environmental quality. The results showed that the multivariate analysis approach provided a more accurate classification of environmental quality compared to the univariate index.
MARINE POLLUTION BULLETIN
(2022)
Article
Environmental Sciences
Natalia Golin, Luiza Santos Barreto, Luise Esquivel, Tugstenio Lima de Souza, Mariana Gallucci Nazario, Andrea Pinto Oliveira, Cesar Castro Martins, Ciro Alberto de Oliveira Ribeiro
Summary: The Iguacu River basin is ecologically important due to its endemic fish species. However, chemical pollution poses a threat to this biodiversity. This study evaluated the toxic effects of the Iguacu and Jorda tilde o rivers, as well as their combination, on the embryo-larval phase of R. quelen. Mathematical modeling showed that fish exposed to Jorda tilde o River experienced the greatest population reduction, followed by the Iguacu River. The Jorda tilde o River was found to be most impacted by micro-pollutants.
Article
Environmental Sciences
Benisio Ferreira Silva Filho, Francisco Filipak Neto, Micheli de Marchi, Erick Laurent Moggio, Izadora Volpato Rossi, Bruna Sabatke, Marcel Ivan Ramirez, Miguel Clodomiro dos Santos Lucena, Adriane Regina Todeschini, Ciro Alberto de Oliveira Ribeiro
Summary: This study investigated the effects of BDE-209 and TCDD on melanoma cells and found that these two pollutants can alter the cell phenotype, leading to increased aggressiveness, including increased cell proliferation and regulation of genes related to metastasis.
ENVIRONMENTAL POLLUTION
(2022)
Article
Ecology
Tugstenio L. Souza, Tobias P. P. de Morais, Francisco Filipak Neto, Iracema Opuskevitch, Fernando C. A. S. Ferreira, Marco Antonio Ferreira Randi, Ciro Alberto de Oliveira Ribeiro, Claudemir de Souza, Maritana Mela Prodocimo
Summary: Aquatic biota is facing increased exposure to chemical pollutants from human activities, and the relationship between environmental pollution and fish reproduction is an ongoing concern. Vitellogenin (Vtg) is a biomarker used to assess xenoestrogen exposure in fish, and this study provides the first physicochemical characterization of Vtg from Oreochromis niloticus. The findings reveal important structural differences between two chemical forms of Vtg (VtgAb and VtgC) and contribute to the development of ecotoxicological immunoassays for studying endocrine disruption and fish reproduction.
Article
Environmental Sciences
Joelma Leao-Buchir, Tugstenio Lima de Souza, Claudemir de Souza, Luis Fernando Favaro, Patricia Manuitt Brito, Milena Carvalho Carneiro, Bruna Hilzendeger Marcon, Luise Esquivel, Ciro Alberto de Oliveira Ribeiro, Maritana Mela Prodocimo
Summary: The study investigated the effects of BDE-99 on Oreochromis niloticus, and found that it caused histopathological changes in the liver and kidney, increased acetylcholinesterase activity in muscle, disrupted the antioxidant system in the liver and brain, and decreased plasmatic levels of vitellogenin in females.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2023)
Article
Chemistry, Physical
Rafael D. T. Barreto, Luiz Pereira Ramos, Regina Maria M. Jorge, Luiz Mario M. Jorge
Summary: A sol-gel Ni-Mo2C-Al2O3 catalyst is used in glycerol steam reforming for syngas production for the first time. The catalyst's stability and activity are investigated at temperatures ranging from 550°C to 700°C and for up to 30 hours. Increasing the reaction temperature from 550°C to 700°C boosts H2 yield from 22% to 60%. The catalyst shows high stability for 30 hours at milder conditions, with final conversion, H2 yield, and H2/CO ratio of 95%, 53%, and 1.95, respectively. Additionally, the morphology of carbon deposits on spent catalysts becomes more graphitic with higher reaction temperatures, and total coke formation is mitigated by increasing temperature and lowering GHSV. (c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Environmental Sciences
Eduarda Roberta Bordin, Flavia Yoshie Yamamoto, Yorrannys Mannes, Renan Cesar Munhoz, Juan Ramon Esquivel Muelbert, Adriane Martins de Freitas, Marta Margarete Cestari, Wanessa Algarte Ramsdorf
Summary: The objective of this study was to evaluate the effects of exposure to atrazine and glyphosate, both separately and in mixtures, on South American catfish embryos. The embryos showed sublethal effects such as fin damage and axial and thoracic damage. The mixture of active ingredients caused an increase in SOD and GST, while the mixture of commercial formulations did not. The activity of AChE was significantly reduced after exposure to atrazine and the mixture of active ingredients. The herbicide mixtures were found to be more toxic to the embryos compared to individual herbicides.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2023)
Article
Environmental Sciences
Julia Caroline Freire Sovierzoski, Marcos Antonio Severino, Eberton Ribas, Monike Felipe Gomes, Lucia Regina Rocha Martins, Wanessa Algarte Ramsdorf
Summary: This study evaluated the impact of the mixture of benzophenone-3 (BP-3), octyl methoxycinnamate (EHMC), and octocrylene (OC) on the biochemical biomarkers in the liver and brain of juvenile Oreochromis niloticus. The sub-chronic exposure for 29 days led to oxidative stress, while no significant genetic damage was observed.
Article
Environmental Sciences
F. Y. Yamamoto, K. Onishi, T. R. Ralha, L. F. O. Silva, B. Deda, T. Y. C. Pessali, C. Souza, C. A. Oliveira Ribeiro, D. M. S. Abessa
Summary: The health risks to wild fish exposed to pollution from multiple sources are mainly caused by metal contamination from mining activities and organic contamination from other sources. The biomarkers response in fish is affected by seasonal variations. Integrating chemical data with suitable biomarkers is an effective strategy to assess ecological risks in the Doce River Basin. It is necessary to protect the river ecosystem and wildlife.
ENVIRONMENTAL POLLUTION
(2023)
Article
Pharmacology & Pharmacy
Aliciane de Almeida Roque, Francisco Filipak Neto, Claudia Cosio, Iris Barjhoux, Ciro Alberto de Oliveira Ribeiro, Damien Rioult
Summary: This study investigates the effects of pesticide exposure on human leukemia monocytic THP-1 cell line and reveals immunotoxicity, impaired cell metabolism, and polarization of macrophages towards a pro-tumor phenotype. These findings highlight the risk of pesticide exposure in the Brazilian population.
Article
Engineering, Chemical
Mairan Guigou, Juan Guarino, Luana M. Chiarello, Maria N. Cabrera, Mauricio Vique, Claudia Lareo, Mario D. Ferrari, Luiz P. Ramos
Summary: In this study, steam explosion was used as the first step in producing cellulosic ethanol from Eucalyptus grandis sawdust. The effect of moisture content, temperature, and residence time on enzymatic hydrolysis and fermentation yields was evaluated. The results showed that washing the pretreated sawdust with water improved the hydrolysis efficiency and ethanol production yield, with the highest yield obtained at 205°C for 10 minutes. Under this condition, 227 L ethanol and 40 kg xylose were obtained per ton of dry eucalypt sawdust.
Article
Environmental Sciences
Aliciane de Almeida Roque, Jessica Zablocki da Luz, Michelle Thays Khun Santurio, Francisco Filipak Neto, Ciro Alberto de Oliveira Ribeiro
Summary: In this study, the effects of pesticides widely used in Brazil and their main metabolites on the malignancy of melanoma cells were investigated. The results showed that these chemicals modulate important parameters of tumor progression, such as gene expression related to tumor aggressiveness and multidrug resistance. These findings raise concerns about the increasing trend in pesticide use in Brazil and its potential negative impact on melanoma progression.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Review
Environmental Sciences
Eduarda Roberta Bordin, Wanessa Algarte Ramsdorf, Luana Maria Lotti Domingos, Luis Phelipe de Souza Miranda, Ney Pereira Mattoso, Marta Margarete Cestari
Summary: The rapid development of nanotechnology has led to the release of various products without fully understanding their potential impact on the environment. This study focuses on the effects of zinc oxide nanoparticles (ZnO-NPs) on non-target organisms, aiming to ensure human health and environmental safety. A systematic review of available data on the toxicity of ZnO-NPs to freshwater and marine/estuarine aquatic organisms was conducted. The findings suggest that freshwater invertebrates are the most commonly used organisms in ecotoxicological tests. The primary mechanisms of ZnO-NPs toxicity involve the release of Zn2+ ions and the generation of reactive oxygen species (ROS).
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2024)
Article
Chemistry, Inorganic & Nuclear
Adriana Patricia Rodriguez-Perez, Rhaissa Dayane Carneiro de Christan, Rafaela Imoski, Lais Jarenko da Cruz, Breidi Albach, Carla Dalmolin, Daniel da Silveira Rampon, Cristian Santacruz, Farooq Sher, Wanessa Algarte Ramsdorf, Lizie Daniela Tentler Prola, Marcus Vinicius de Liz
Summary: This study investigated the effects of intermediate oligomers (melem/dimelem) on the structure and photocatalytic properties of polymeric metal-free graphitic carbon nitride (g-C3N4). The results showed that adding chitosan increased the photocatalytic efficiency, and carbon microspheres synergistically improved carrier mobility when combined with g-C3N4.
JOURNAL OF SOLID STATE CHEMISTRY
(2023)
