In Vitro Evolution
Mostrando 1-12 de 452 artigos, teses e dissertações.
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1. Septicemia in an immunocompetent adult in the Czech Republic caused by Corynebacterium diphtheriae nontoxigenic strain biotype mitis: emergence of invasive cases in Western Europe
ABSTRACT Dengue has been a significant public health problem in Colombia since the simultaneous circulation of the four dengue virus serotypes. The replicative fitness of dengue is a biological feature important for virus evolution and contributes to elucidating the behavior of virus populations and viral pathogenesis. However, it has not yet been studied in
Braz J Infect Dis. Publicado em: 2020-02
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2. Differential replicative fitness of the four dengue virus serotypes circulating in Colombia in human liver Huh7 cells
ABSTRACT Dengue has been a significant public health problem in Colombia since the simultaneous circulation of the four dengue virus serotypes. The replicative fitness of dengue is a biological feature important for virus evolution and contributes to elucidating the behavior of virus populations and viral pathogenesis. However, it has not yet been studied in
Braz J Infect Dis. Publicado em: 2020-02
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3. Citotoxicidade in vitro de nanopartículas de fosfato tricálcico-β sintetizado via reação em estado sólido
RESUMO O Fosfato Tricálcico-β (TCP-β) é um material sintético que apresenta composição química similar à do tecido ósseo, sendo, por essa razão, frequentemente empregado como biomaterial. Nesta pesquisa, TCP-β foi sintetizado por reação via estado sólido e caracterizado por Difração de Raios X (DRX), Espectroscopia de Infravermelho (IV), Mic
Matéria (Rio J.). Publicado em: 13/06/2019
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4. Citotoxicidade in vitro de nanopartículas de fosfato tricálcico-β sintetizado via reação em estado sólido
RESUMO O Fosfato Tricálcico-β (TCP-β) é um material sintético que apresenta composição química similar à do tecido ósseo, sendo, por essa razão, frequentemente empregado como biomaterial. Nesta pesquisa, TCP-β foi sintetizado por reação via estado sólido e caracterizado por Difração de Raios X (DRX), Espectroscopia de Infravermelho (IV), Mic
Matéria (Rio J.). Publicado em: 20/05/2019
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5. Detection of Plasmodium in faeces of the New World primate Alouatta clamitans
Abstract Plasmodium falciparum and Plasmodium vivax have evolved with host switches between non-human primates (NHPs) and humans. Studies on the infection dynamics of Plasmodium species in NHPs will improve our understanding of the evolution of these parasites; however, such studies are hampered by the difficulty of handling animals in the field. The aim of
Mem. Inst. Oswaldo Cruz. Publicado em: 25/08/2016
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6. Synthesis and Anti-Staphylococcal Activity of 2,4-Disubstituted Diphenylamines
Infections caused by Staphylococcus aureus are ubiquitous and life threatening. Evolution of resistant strains has necessitated the need to continuously discover new drugs to combat such organisms. Diphenyl ethers, such as triclosan, have recently shown potential as antibacterial agents. In this study, a series of diphenyl amines were synthesized and evaluat
J. Braz. Chem. Soc.. Publicado em: 2016-06
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7. Comparative study of lymphocytes from individuals that were vaccinated and unvaccinated against the pandemic 2009-2011 H1N1 influenza virus in Southern Brazil
ABSTRACTINTRODUCTION:While no single factor is sufficient to guarantee the success of influenza vaccine programs, knowledge of the levels of immunity in local populations is critical. Here, we analyzed influenza immunity in a population from Southern Brazil, a region with weather conditions that are distinct from those in the rest of country, where influenza
Rev. Soc. Bras. Med. Trop.. Publicado em: 2015-10
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8. Caracterização biológica e molecular de recombinantes naturais de HIV-1. / Biological and molecular characterization of HIV-1 natural recombinants.
Recombination during reverse transcription is an important factor promoting HIV-1 diversity and adaptive change, allowing advantageous mutations arising on different genomes to undergo linkage in the same progeny recombinant genome more frequently than what would be expected under random mutation alone. In Brazil, several recombinant viruses were reported, a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/05/2011
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9. Impactos da gestação na evolução do melanoma: modelo experimental. / Impacts of pregnancy in melanomas evolution: experimental model.
Objetivo: Desenvolver um modelo experimental de câncer na gestação correlacionando os períodos gestacionais com o desenvolvimento do tumor. Métodos: Foram estudados 50 camundongos-fêmeas da linhagem C57BL/6 divididos em cinco grupos: controle gestacional e estresse do animal (G) e os que receberam o implante de células de melanoma murino Tm5: controle
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/03/2011
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10. Molecular epidemiology and evolution of avian infectious bronchitis virus
Mutation and recombination processes are involved in the genetic and phenotypic variations of RNA viruses, leading to the emergence of new variant strains, and give rise to virus population diversity to be modeled by the host, particularly by the immune system, as occurred with infectious bronchitis virus (IBV) in chickens. The consequence is a continuous em
Revista Brasileira de Ciência Avícola. Publicado em: 2010-06
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11. Porous biodegradable polyurethane nanocomposites: preparation, characterization, and biocompatibility tests
A porous biodegradable polyurethane nanocomposite based on poly(caprolactone) (PCL) and nanocomponents derived from montmorillonite (Cloisite®30B) was synthesized and tested to produce information regarding its potential use as a scaffold for tissue engineering. Structural and morphological characteristics of this nanocomposite were studied by infrared spec
Materials Research. Publicado em: 2010-06
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12. Identification and antimicrobial susceptibility of Staphylococcus from home-treated peritoneal dialysis patients
Staphylococcus aureus is the main agent of infections during peritoneal dialysis (PD). The presence of S. aureus in the nasal cavity has been extensively studied and suggested as a risk factor of dialysis-related infections, whereas coagulase-negative Staphylococcus (CNS) species are frequently considered part of the normal human microbiota. The aim of this
Journal of Venomous Animals and Toxins including Tropical Diseases. Publicado em: 2010