Produção Nacional
Revisado por pares
Karuane Saturnino da Silva Araújo, Joaquim Francisco dos SANTOS JÚNIOR, Marcello Otake Sato, Fernanda Dias Bartolomeu Abadio Finco, Ilsamar Mendes Soares, Robson dos Santos Barbosa, Tarso da Costa Alvim, Sérgio Donizeti Ascêncio, Sandra Maria Botelho Mariano,
ABSTRACTThe composition of propolis depends on time, vegetation and the location of the collection area. The objective of this study was to determine the physicochemical characteristics, the concentration of phenol compounds and the antioxidant capacity of propolis of native stingless bees (Meliponinae)and Apis from the State of Tocantins. Extraction with 80% ethanol (v/v) was performed in order to obtain the extracts. Parameters examined were: propolis mass loss by desiccation at 105 ºC, ashes, wax ...
Tópico(s): Essential Oils and Antimicrobial Activity
2015 - INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA | Acta Amazonica
Produção Nacional
Revisado por pares
Luan Araújo Bezerra, Edmilson Ferreira de Oliveira-Filho, José Valter Joaquim Silva Júnior, Viviane Martha Santos de Morais, Juliana Prado Gonçales, Dayvson Maurício da Silva, Maria Rosângela Cunha Duarte Coêlho,
Acute Hepatitis E virus (HEV) infection in people living with HIV/AIDS (PLHA) can lead to fulminant hepatic failure, cirrhosis and death. The prevalence of anti-HEV antibodies within this group varies according to the geographical area. However, in South America, studies concerning the detection of HEV in PLHA are rare. Here, we investigated the presence of HEV by serological and molecular detection and evaluated the risk factors associated with infection in PLHA in Pernambuco state, Brazilian Northeast. ...
Tópico(s): Hepatitis C virus research
2018 - Elsevier BV | Acta Tropica
Produção Nacional
Revisado por pares
Poliana Carolina Aleixo, Joaquim A. Nóbrega, Dário Santos Júnior, Regina Céli Sarkis Müller,
ING GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY.Selenium is both essential and toxic to man and animals, depending on the concentration and the ingested form.Most fruits and vegetables are poor sources of selenium, but coconut can be a good selenium source.Samples were suspended (1 + 4 v/v) in a mixture of tertiary amines soluble in water (10% v/v CFA-C).This simple sample treatment avoided contamination and decreased the analysis time.The standard additions method was adopted for quantification. ...
Tópico(s): Heavy Metals in Plants
2000 - Brazilian Chemical Society | Química Nova
Produção Nacional
Revisado por pares
Alessandra G. Krakhecke-Teixeira, Danielle Hamae Yamauchi, Alexsandra Rossi, Herdson Renney de Sousa, Hans Garcia Garces, Joaquim Lucas Júnior, Antônio Oliveira Santos Júnior, Maria Sueli Soares Felipe, Eduardo Bagagli, Heitor Franco de Andrade, Marcus de Melo Teixeira,
Paracoccidioidomycosis (PCM) is the most prevalent systemic mycosis in Brazil. The disease is caused by dimorphic fungi nested within the Paracoccidioides genus. We described 106 PCM cases (47.1 cases/year) at the Tropical Diseases Public Hospital of Tocantins State. PCM was prevalent in males and rural workers over 50 years; the chronic pulmonary form predominated in 67% of cases. The male-to-female ratio was 2.65:1, with more women affected than other endemic regions of Brazil. Urban or indoor activities ...
Tópico(s): Antifungal resistance and susceptibility
2022 - Multidisciplinary Digital Publishing Institute | Journal of Fungi
Produção Nacional
Revisado por pares
Marcella Nunes Melo‐Braga, Flávia De Marco Almeida, Daniel Moreira dos Santos, Joaquim Teixeira de Avelar Júnior, Pablo Victor Mendes dos Reis, Maria Elena de Lima,
Antimicrobial peptides (AMPs) have been found in all organism taxa and may play an essential role as a host defense system. AMPs are organized in various conformations, such as linear peptides, disulfide bond-linked peptides, backbone-linked peptides and circular peptides. AMPs apparently act primarily on the plasma membrane, although an increasing number of works have shown that they may also target various intracellular sites. Spider venoms are rich sources of biomolecules that show several activities, ...
Tópico(s): Invertebrate Immune Response Mechanisms
2020 - Bentham Science Publishers | Current Protein and Peptide Science
Produção Nacional
Revisado por pares
Guilherme Brasileiro de Aguiar, Carlos Iglézias Brandão de Oliveira, Joaquim Barbosa de Sousa e Silva Júnior, Loryenne Soares Santos, Sabas Carlos Vieira,
OBJETIVO: O objetivo do presente estudo foi avaliar os casos de lesões iatrogênicas de vias biliares tratados na clínica cirúrgica do Hospital Getúlio Vargas - HGV nos últimos oito anos. MÉTODO: Foi realizada análise retrospectiva dos prontuários dos pacientes internados no HGV, com hipótese diagnóstica de lesão iatrogênica de vias biliares. Foram incluídos pacientes com lesões provenientes do próprio serviço e de outras instituições. Os prontuários foram revisados e obtidas as seguintes variáveis: ...
Tópico(s): Pediatric Hepatobiliary Diseases and Treatments
2005 - Brazilian College of Surgeons | Revista do Colégio Brasileiro de Cirurgiões
Produção Nacional
Revisado por pares
Gustavo Cartaxo Patriota, João Manoel Silva, Alécio Cristino Evangelista Santos Barcellos, Joaquim Barbosa de Sousa Silva Júnior, Diogo Oliveira Toledo, Fernando Campos Gomes Pinto, José Marcus Rotta,
Spontaneous intracerebral hemorrhage (SICH) still presents a great heterogeneity in its clinical evaluation, demonstrating differences in the enrollment criteria used for the study of intracerebral hemorrhage (ICH) treatment. The aim of the current study was to assess the ICH Score, a simple and reliable scale, determining the 30-day mortality and the one-year functional outcome. Consecutive patients admitted with acute SICH were prospectively included in the study. ICH Scores ranged from 0 to 4, ...
Tópico(s): Acute Ischemic Stroke Management
2009 - Thieme Medical Publishers (Germany) | Arquivos de Neuro-Psiquiatria
Produção Nacional
Revisado por pares
Reginaldo Queiroz dos Santos Júnior, Lícia Candido Soares, Antônio Luíz Martins Maia Filho, Karinne Sousa de Araújo, Ísidra Manoela Sousa Portela Santos, Joaquim Soares da Costa Júnior, Jenifer Saffi,
Introdução: O processo de cicatrização é uma sequência de reações para reconstituir o tecido. O bacurizeiro (Platonia insignis Mart.) é nativo da Amazônia e é usado como cicatrizante e antibiótico. Objetivo: Analisar a cicatrização de feridas cutâneas tratadas com a banha de bacuri. Metodologia: Utilizaram-se 46 ratos Wistar, machos. Confeccionou-se uma ferida de 2 cm de diâmetro no dorso dos animais e em seguida foram distribuídos em dois grupos: controle e tratado com banha de bacuri. Foram avaliados ...
Tópico(s): Phytochemistry Medicinal Plant Applications
2010 - UNIVERSIDADE NOVE DE JULHO | ConScientiae Saúde
Produção Nacional
Revisado por pares
Leonardo Lima Fuscaldi, Joaquim Teixeira de Avelar Júnior, Daniel Moreira dos Santos, Daiane Boff, Vívian Louise Soares de Oliveira, Karla Aparecida Guimarães Gusmão Gomes, Rosana de Carvalho Cruz, Patrícia Luciana de Oliveira, Paula Prazeres Magalhães, Patrícia Silva Cisalpino, Luiz de Mácêdo Farias, Elaine M. Souza–Fagundes, Johannes Delp, Marcel Leist, Jarbas M. Resende, Flávio A. Amaral, Adriano M.C. Pimenta, Simone Odília Antunes Fernandes, Valbert Nascimento Cardoso, Maria Elena de Lima,
In the continuing search for novel antibiotics, antimicrobial peptides are promising molecules, due to different mechanisms of action compared to classic antibiotics and to their selectivity for interaction with microorganism cells rather than with mammalian cells. Previously, our research group has isolated the antimicrobial peptide LyeTx I from the venom of the spider Lycosa erythrognatha. Here, we proposed to synthesize three novel shortened derivatives from LyeTx I (LyeTx I mn; LyeTx I mnΔK; ...
Tópico(s): Probiotics and Fermented Foods
2020 - SAGE Publishing | Experimental Biology and Medicine
Produção Nacional
Revisado por pares
José Valter Joaquim Silva Júnior, Louisa F. Ludwig‐Begall, Edmilson Ferreira de Oliveira-Filho, Renato Antônio dos Santos Oliveira, Ricardo Durães‐Carvalho, Thaísa Regina Rocha Lopes, Daisy E.A. Silva, Laura H. V. G. Gil,
Chikungunya fever is a mosquito-borne viral illness characterized by a sudden onset of fever associated with joint pains. It was first described in the 1950s during a Chikungunya virus (CHIKV) outbreak in southern Tanzania and has since (re-) emerged and spread to several other geographical areas, reaching large populations and causing massive epidemics. In recent years, CHIKV has gained considerable attention due to its quick spread to the Caribbean and then in the Americas, with many cases reported ...
Tópico(s): Viral Infections and Vectors
2018 - Elsevier BV | Acta Tropica
Produção Nacional
Revisado por pares
José Valter Joaquim Silva Júnior, Thaísa Regina Rocha Lopes, Edmilson Ferreira de Oliveira-Filho, Renato Antônio dos Santos Oliveira, Ricardo Durães‐Carvalho, Laura H. V. G. Gil,
Tópico(s): Malaria Research and Control
2018 - Elsevier BV | Acta Tropica
Produção Nacional
Revisado por pares
Jaedson Cláudio Anunciato Mota, Paulo Leonel Libardi, Alexsandro dos Santos Brito, Raimundo Nonato de Assis Júnior, Joaquim Amaro Filho,
Em regiões com escassez hídrica, a irrigação por métodos que otimizam a aplicação de água às plantas torna-se necessária à produção agrícola. Dessa maneira, o conhecimento da armazenagem de água na camada de solo explorada pelas raízes de uma cultura agrícola ao longo de seu desenvolvimento é essencial ao manejo dos recursos água e solo. Partindo desse problema, o objetivo desta pesquisa foi avaliar a armazenagem de água em Cambissolo cultivado com meloeiro, irrigado por gotejamento, sem e com cobertura ...
Tópico(s): Soil Management and Crop Yield
2010 - Sociedade Brasileira de Ciência do Solo | Revista Brasileira de Ciência do Solo
Produção Nacional
Revisado por pares
José Santiago de Codes, Deborah Cohen, Neli Almeida de Melo, Alessandra B. Santos, João Jorge Góes de Codes, Joaquim Custódio da Silva Júnior, Rebeca Rizzo,
Objetivo: analisar a prevalência da gonorréia, infecção por clamídia, sífilis e infecção por HIV entre as mulheres de uma clínica de planejamento familiar em função da presença de sintomas de DST e de comportamentos de risco. Métodos: mulheres com as idades entre 18 e 30 anos que freqüentavam os serviços de uma clínica de planejamento familiar da rede pública no Brasil foram testadas para a gonorréia e infecção por clamídia, com o uso do teste de amplificação do DNA na urina, para a sífilis e a ...
Tópico(s): Syphilis Diagnosis and Treatment
2002 - Thieme Medical Publishers (Germany) | Revista Brasileira Ginecologia e Obstetrícia
Produção Nacional
Revisado por pares
Lucca Rocha Policastro, Isabela Dolci, André S. Godoy, José Valter Joaquim Silva Júnior, Uriel Enrique Aquino Ruiz, Igor Andrade Santos, Ana Carolina Gomes Jardim, Kirandeep Samby, Jeremy N. Burrows, Timothy N. C. Wells, Laura H. V. G. Gil, Glaucius Oliva, R.S. Fernandes,
Chikungunya virus (CHIKV) is the causative agent of chikungunya fever, a disabling disease that can cause long-term severe arthritis. Since the last large CHIKV outbreak in 2015, the reemergence of the virus represents a serious public health concern. The morbidity associated with viral infection emphasizes the need for the development of specific anti-CHIKV drugs. Herein, we describe the development and characterization of a CHIKV reporter replicon cell line and its use in replicon-based screenings. ...
Tópico(s): Insect symbiosis and bacterial influences
2022 - Multidisciplinary Digital Publishing Institute | Viruses
Joaquim Carlos Gonçalez, Gleidson Leitão dos Santos, Francides Gomes da Silva Júnior, Ildeu Soares Martins, Julia de Almeida Costa,
The basic raw material in the Brazilian pulp and paper industry is Eucalyptus wood. The variation in the anatomical wood constituents, especially in fiber affects the quality of pulp to be produced. This study aimed to characterize Eucalyptus urograndis anatomy and fiber density, checking the variation of these parameters along the stem of trees, from a plantation in the Federal District region, for its use in the pulp industry. For this research we used wood from five trees of Eucalyptus urograndis, ...
Tópico(s): Wood Treatment and Properties
2014 - Editora da Universidade de São Paulo | Scientia Forestalis
Produção Nacional
Revisado por pares
José Valter Joaquim Silva Júnior, Thaísa Regina Rocha Lopes, Edmilson Ferreira de Oliveira-Filho, Renato Antônio dos Santos Oliveira, Laura H. V. G. Gil,
Tópico(s): COVID-19 epidemiological studies
2017 - UNIVERSIDADE DE SÃO PAULO | Revista do Instituto de Medicina Tropical de São Paulo
Produção Nacional
Revisado por pares
Gilmânia Francisca Sousa Carvalho, Laura Karina M. Marques, Herbert Gonzaga Sousa, Laryssa Roque Silva, Danniel Cabral Leão Ferreira, Fabrício Pires de Moura do Amaral, Antônio Luíz Martins Maia Filho, José Figueredo‐Silva, Wellington dos Santos Alves, Maria das Dores Alves de Oliveira, Joaquim Soares da Costa Júnior, Fabio Luis Cardoso Costa, Ricardo Martins Ramos, Mahendra Rai, Valdiléia Teixeira Uchôa,
Ximenia americana L. is popularly known as yellow plum, brave plum or tallow wood. All the parts of this plant are used in popular medicine. Its reddish and smooth bark are used to treat skin infections, inflammation of the mucous membranes and in the wound healing process.Verification of phytochemical profile, the molecular interaction between flavonoid, (-) epi-catechin and 5-LOX enzyme, by means of in silico study, the genotoxic effect and to investigate the pharmacological action of the aqueous ...
Tópico(s): Essential Oils and Antimicrobial Activity
2019 - Elsevier BV | Journal of Ethnopharmacology
Produção Nacional
Revisado por pares
Paulo Leonel Libardi, Jaedson Cláudio Anunciato Mota, Raimundo Nonato de Assis Júnior, Alexsandro dos Santos Brito, Joaquim Amaro Filho,
ABSTRACT Knowledge of the terms (or processes) of the soil water balance equation or simply the components of the soil water balance over the cycle of an agricultural crop is essential for soil and water management. Thus, the aim of this study was to analyze these components in a Cambissolo Háplico (Haplocambids) growing muskmelon (Cucumis melo L.) under drip irrigation, with covered and uncovered soil, in the municipality of Baraúna, State of Rio Grande do Norte, Brazil (05º 04’ 48” S, 37º 37’ 00” ...
Tópico(s): Irrigation Practices and Water Management
2015 - Sociedade Brasileira de Ciência do Solo | Revista Brasileira de Ciência do Solo
Produção Nacional
Revisado por pares
Otávio dos Anjos Leal, Déborah Pinheiro Dick, Falberni Costa, Heike Knicker, João de Carvalho Júnior, José Joaquim Conceição Soares Santos,
The aim of this study was to investigate impacts of Amazon Forest (AF) fire and conversion to pasture on carbon accumulation in particle size fractions and organic matter (OM) composition of an Acrisol.Soil samples were collected (0.00-2.00 m depth) in three sites: native AF (NAF); AF under natural regeneration for two years after burning (BAF); 23-years old Brachiaria pasture after AF burning (BRA).Assuming NAF area as reference, BAF and BRA areas showed negative carbon balance when carbon emitted to ...
Tópico(s): Soil Management and Crop Yield
2018 - Brazilian Chemical Society | Journal of the Brazilian Chemical Society
Produção Nacional
Revisado por pares
Paulo Louzada‐Júnior, J. J. Dias, Wagner Ferreira dos Santos, João José Lachat, H. F. Bradford, Joaquim Coutinho‐Netto,
Abstract A rabbit eye model of neural ischaemia is described that uses an increased pressure in the anterior eye chamber to block the capillary supply to the retina. A microdialysis probe placed very close to the retinal surface was used to monitor release of amino acids during ischaemia. A large (two‐ to threefold) increase in the release of glutamate and O ‐phosphoserine (twofold), but not of six other amino acids monitored, occurred during initial ischaemia. During reperfusion after release of intraocular ...
Tópico(s): Photoreceptor and optogenetics research
1992 - Wiley | Journal of Neurochemistry
Produção Nacional
Revisado por pares
Jonilson Santos de Carvalho, Joaquim José Frazão, Renato de Mello Prado, Jonas Pereira de Souza Júnior, Milton Garcia Costa,
Abstract Silicon (Si) may be involved in the modification of C:N:P stoichiometry and in physiological processes, increasing sorghum growth and grain production. The objective was to evaluate the effect of Si supply on C:N:P:Si stoichiometry, physiological response, growth, and grain production of sorghum. The experiment was carried out in pots with four concentrations of Si: 0; 1.2; 2.4; and 3.6 mmol L −1 in a completely randomized design, with six replicates. Physiological attributes and dark green ...
Tópico(s): Geochemistry and Elemental Analysis
2022 - Nature Portfolio | Scientific Reports
Júlio César da Silva, Raimundo Luíz Silva Pereira, Thiago Sampaio de Freitas, Janaína Esmeraldo Rocha, Nair Silva Macêdo, Carla de Fátima Alves Nonato, Marina Leite Linhares, Daniely Sampaio Arruda Tavares, Francisco Assis Bezerra da Cunha, Henrique Douglas Melo Coutinho, Sidney Gonçalo de Lima, Francisco N. Pereira‐Junior, Francisco Paulo Araújo Maia, Ivo Cavalcante Pita Neto, Fabíola Fernandes Galvão Rodrigues, George Joaquim Garcia Santos,
The present study aimed to comparatively analyze the antibacterial activity, combined with antibiotics, and toxicological activity of the essential oil of O. gratissimum L. and its major compound, eugenol. The phytochemical analysis of the essential oil was performed by gas chromatography coupled with mass spectrometry. The minimum inhibitory concentration and combined antibiotic activity were performed by microdilution. Drosophila melanogaster was the model organism chosen to evaluate the toxicological ...
Tópico(s): Ethnobotanical and Medicinal Plants Studies
2022 - Elsevier BV | Food Bioscience
Produção Nacional
Revisado por pares
Jonas Pereira de Souza Júnior, Renato de Mello Prado, Thaís Chagas Barros de Morais, Joaquim José Frazão, Marcilene Machado dos Santos Sarah, Kevein Ruas Oliveira, Rinaldo César de Paula,
Nitrogen deficiency and toxicity, primarily in its ammonium form (NH 4 + ), can suppress plant growth and development. The use of silicon (Si) or salicylic acid (SA) may be an alternative to minimize the harmful effects of nutrient imbalances caused by NH 4 + , thereby improving the photosynthetic efficiency of plants. The aim of the present study was to assess the action of fertigation-applied Si and SA foliar spraying in mitigating NH 4 + toxicity and deficiency in eucalyptus clonal seedlings. Two experiments ...
Tópico(s): Geochemistry and Elemental Analysis
2021 - Public Library of Science | PLoS ONE
Produção Nacional
Marcelino Santos do Rosário, Maria Isabel Rodrigues Gauto, Ana Clara Lima Nunes Silva, Joaquim Silva Sales, Fellipe dos Santos Pereira, Elisabete Pereira dos Santos, Eduardo Ricci‐Júnior, Maria Célia Pires Costa,
Nos ultimos anos, ha uma demanda crescente na producao de produtos cosmeticos a base de produtos naturais, especialmente de oleos vegetais. Na industria cosmetica, os oleos vegetais extraidos principalmente das sementes de plantas e frutas sao considerados materias-primas importantes para o desenvolvimento de cosmeticos ecologicos. E nesta perspectiva que o oleo de babacu vem sendo utilizado na producao de emulsoes cosmeticas, principalmente pelo fato de ser eficiente para o tratamento da pele e ...
Tópico(s): Phytochemistry Medicinal Plant Applications
2021 - Brazilian Journal of Development | Brazilian Journal of Development
Produção Nacional
Revisado por pares
Alberto de Pontes Jardim Júnior, Thomas Rolf Erdmann, Thiago Viçoso dos Santos, Guilherme Muriano Brunharo, Clóvis T. Bevilacqua Filho, Márcio Joaquim Losso, Getúlio Rodrigues de Oliveira Filho,
: Thoracotomy is a procedure associated with postoperative severe pain. Epidural block (EB) is considered the gold standard for its control. Paravertebral block (PVB) is an option for the management of postoperative pain. The aim of this study was to evaluate by meta-analyses the effectiveness of continuous thoracic epidural and paravertebral blocks for pain management after thoracotomy and the incidence of adverse effects. The study was conducted according to the Preferred Reporting Items for Systematic Reviews ...
Tópico(s): Spine and Intervertebral Disc Pathology
2013 - Elsevier BV | Brazilian Journal of Anesthesiology (English Edition)
Produção Nacional
Revisado por pares
Alberto de Pontes Jardim Júnior, Thomas Rolf Erdmann, Thiago Viçoso dos Santos, Guilherme Muriano Brunharo, Clóvis T. Bevilacqua Filho, Márcio Joaquim Losso, Getúlio Rodrigues de Oliveira Filho,
: Toracotomia é um procedimento associado à dor pós-operatória de forte intensidade. O bloqueio peridural (BPD) é considerado o padrão-ouro para o seu controle. O bloqueio paravertebral (BPV) é uma opção para o controle da dor pós-operatória. O objetivo deste estudo foi fazer metanálises focadas nas comparações entre as analgesias com bloqueio peridural torácico ou paravertebral contínuos quanto à eficácia relativa no controle da dor pós- toracotomia e à incidência de efeitos adversos. : O estudo seguiu o protocolo ...
Tópico(s): Pain Management and Opioid Use
2013 - Elsevier BV | Brazilian Journal of Anesthesiology
Produção Nacional
Revisado por pares
Jefferson Santos, Tereza Magalhães, José Valter Joaquim Silva Júnior, Andréa Nazaré Monteiro Rangel da Silva, Marli Tenório Cordeiro, Laura H. V. G. Gil,
Full-length dengue virus (DENV) cDNA clones are an invaluable tool for many studies, including those on the development of attenuated or chimeric vaccines and on host-virus interactions. Furthermore, the importance of low passage DENV infectious clones should be highlighted, as these may harbour critical and unique strain-specific viral components from field-circulating isolates. The successful construction of a functional Brazilian low passage DENV serotype 2 full-length clone through homologous ...
Tópico(s): Malaria Research and Control
2015 - Instituto Oswaldo Cruz, Ministério da Saúde | Memórias do Instituto Oswaldo Cruz
Produção Nacional
Revisado por pares
Thaísa Regina Rocha Lopes, Juliana Prado Gonçales, José Valter Joaquim Silva Júnior, Virgínia Maria Barros de Lorena, Ana Luiza Castro Conde Toscano, Sandra Mitie Akamatsu, Angela Christina Salles, Tânia Regina Tozetto‐Mendoza, Viviane Martha Santos de Morais, Maria Rosângela Cunha Duarte Coêlho,
Human gammaherpesvirus 8 (HHV-8) is the etiologic agent of Kaposi's sarcoma (KS), one of the most common cancers in people living with HIV/AIDS. It is believe that the course of both HIV and HHV-8 infection is associated with the imbalance of anti- and/or pro-inflammatory cytokines. Here, we evaluated the IL-6, TNF-α, IL-10, CCL2 and CXCL10 serum concentrations in HIV- and HIV/HHV-8 (without KS) individuals, and in patients with cutaneous or visceral AIDS-KS. Serum concentrations of IL-6, IL-10 and ...
Tópico(s): Herpesvirus Infections and Treatments
2019 - Elsevier BV | Human Immunology
Produção Nacional
Revisado por pares
Patrícia e Silva Alves, Maria das Dores Alves de Oliveira, Pedro Marcos de Almeida, Francielle Alline Martins, Ana Amélia de Carvalho Melo Cavalcante, Teresinha de Jesus Aguiar dos Santos Andrade, Chistiane Mendes Feitosa, Mahendra Rai, Antonielly Campinho dos Reis, Joaquim Soares da Costa Júnior,
Pyriproxyfen (PPF) is a larvicide, used to combat the proliferation of Aedes aegypti larvae. The objective of this study was to analyze the compounds of pyriproxyfen and pyridalyl (PYL) in a commercial larvicide to analyze the cytotoxic and oxidative effects of PPF and PYL. The toxic potential of PPF and PYL were assessed based on lethal concentration (LC50) in Artemia salina, cytotoxicity based on the mitotic index and the chromosomal alterations in Allium cepa and the oxidative damage in Saccharomyces ...
Tópico(s): Pesticide Exposure and Toxicity
2019 - Elsevier BV | Chemosphere
Produção Nacional
Jamilson dos Santos Freire, Bianca Cristina dos Santos Fernandes, Julia Adelaide Cardeal da Silva, José Rafael da Silva Araújo, Pedro Marcos de Almeida, Joaquim Soares da Costa Júnior, Jurandy do Nascimento Silva, Sâmya Danielle Lima de Freitas, Francielle Alline Martins,
Poincianella bracteosa has been widely used in folk medicine to treat catarrhal infections, diarrhea, and anemia; however, phytochemical and toxicogenetic data are still lacking. The objective of this study was to examine the phytochemical and antioxidant characteristics as well as assess cytogenotoxicity and antigenotoxicity in hexane (HF), ether (EF) and ethyl acetate (AF) fractions of P. bracteosa leaves using Allium cepa bioassay. Phytochemical analysis revealed the presence of saponins and phenolic ...
Tópico(s): Essential Oils and Antimicrobial Activity
2020 - Taylor & Francis | Journal of Toxicology and Environmental Health