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Redução do biofilme de Streptococcus mutans sobre um material restaurador dentário modificado com nanopartículas de prata estudo in vitro
(Universidade Federal de São Carlos, 2011-03-25)
The bacterium Streptococcus mutans is one of the main initiators species of biofilm and is related to the etiology of caries. Currently there have been many studies investigating ways to reduce bacterial adhesion and biofilm ...
Produção de substâncias bioativas por microrganismos endofíticos isolados do Cerrado de São Carlos-SP
(Universidade Federal de São Carlos, 2010-03-22)
The Brazilian tropical savannah occupies a large area in Brazil and includes a high variety of plant species. This diversity is an important source of endophytic microorganisms consisting mainly of bacteria and fungi that ...
Ação antibacteriana de nanopartículas de prata em Poli (ácido lático): PLA e estudo da biodegradação
(Universidade Federal de São Carlos, 2012-05-29)
The biological contamination causes a great depth of concern in the polymers industry, whose materials are used for food packaging. Most of the bacteria are associated to a biofilm; complex microbial ecosystem, well ...
Seleção e evolução dirigida de leveduras para a utilização nas indústrias do bioetanol e cervejeiras
(Universidade Federal de São Carlos, 2018-02-20)
The fermented product industries have been demanding alternatives for increasing yields and reducing fermentation costs. Nowadays, the technique known as adaptive evolution becomes an excellent tool to develop different ...
Avaliação da atividade antimicrobiana de nanopartículas de óxido de zinco, óxido de cobre e prata em bactérias Gram-positivas e Gram-negativas.
(Universidade Federal de São Carlos, 2018-09-28)
The use of antimicrobials in packages, in particular metal oxides, can be effective in inhibiting or retarding the growth of microorganisms, thus enabling a longer expiration date of foods. The main objective of this work ...
Bioprospecção de fungos produtores de celulases da região amazônica para a produção de etanol celulósico
(Universidade Federal de São Carlos, 2011-03-14)
Prospecting for cellulose-producing fungi is one of the possible strategies for obtaining the necessary enzymes to hydrolyze the lignocellulosic material and to contribute to the viability of cellulosic ethanol production. ...
Avaliação fotodinâmica em células tumorais do câncer de mama e fibroblasto utilizando o fotossensibilizador bacterioclorina – trisma
(Universidade Federal de São Carlos, 2018-02-23)
Breast cancer is one of the main health problems among women. It is the first cancer in incidence and the second in the number of deaths. This type of tumor presents a high degree of recurrence due to failures in the ...
Atividade bactericida e inibição da formação de biofilmes de Staphylococcus aureus pelo vidro bioativo F18
(Universidade Federal de São Carlos, 2019-02-21)
The number of surgeries for implants placement and prostheses that are performed annually in the world have been growing exponentially, together with concerns about infections that can affect patients in the postoperative ...
Caracterização de rizobactérias associadas à Solanum lycocarpum St. Hil. quanto ao potencial biotecnológico para promoção de crescimento vegetal, enzimas e agentes antimicrobianos
(Universidade Federal de São Carlos, 2020-03-05)
Solanum lycocarpum St. Hil., endemic plant of the Brazilian tropical savanna, known as the “Cerrado”, has been studied for its medicinal properties and for having the ability to grow in acidic and nutrient-poor lands, ...
Avaliação do potencial de fungos endofíticos e fitopatogênicos em relação à produção da enzima cutinase
(Universidade Federal de São Carlos, 2020-03-19)
The use of plastic started in the last century and has been increasingly used over the years causing extremely relevant impacts related to environmental contamination. Nowadays, the most widely used approach for removing ...