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Now showing items 31-40 of 118
Avaliação da atividade antimicrobiana da N,N,Ntrimetilquitosana e da quitosana comercial sobre o crescimento de bactérias gram-positivas e gram-negativas e de fungos filamentosos
(Universidade Federal de São Carlos, 2014-04-16)
Many efforts have been dedicated in the searching of natural compounds which are suitable to be applied in food conservation. Among them, the chitosan has presented promising results concerning the antimicrobial activity, ...
Estudos estruturais e funcionais de duas β-glicosidases de Trichoderma harzianum
(Universidade Federal de São Carlos, 2014-08-29)
The depletion of fossil fuels, the growing energy demand and the great need to reduce carbon emissions gradually increased the demand for new sources of renewable and clean energy. Bioethanol is obtained from the fermentation ...
Avaliação da atividade antimicrobiana e análise morfológica por microscopia de força atômica (AFM) da ação de extratos de própolis verde sobre Staphylococcus aureus e Escherichia coli
(Universidade Federal de São Carlos, 2017-05-26)
In the last years the concerns about the resistance acquired by pathogenic microorganisms has increased due to large misuse of antibiotics and agricultural products. Research about new alternatives and natural antimicrobial ...
Potencial controle biológico de fitopatógenos por Trichoderma Harzianum P49P11
(Universidade Federal de São Carlos, 2019-08-30)
The study of new biological control microorganisms aims to obtain a product with a specific action and with greater capacity to control plant diseases and the pests, but that lowers the economic and environmental impacts ...
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 ...
Isolamento, caracterização e potencial biotecnológico de fungos endofíticos associados à plantas do cerrado
(Universidade Federal de São Carlos, 2018-03-27)
Endophytic microorganisms are fungi or bacteria that colonize the interior of plant tissues without causing damage to the host plant. Endophytic fungi have interested the scientific community due to the production of ...
Desenvolvimento de sensores eletroquímicos baseados em nanomateriais de carbono para detecção de diquat em amostras ambientais e tadalafila em amostras farmacêuticas
(Universidade Federal de São Carlos, 2019-01-22)
In this work two electrochemical sensors were proposed based on carbon nanomaterials for detection of diquat and tadalafil. For the first was proposed a surface modification of glassy carbon electrode with manioc starch ...
Bactérias endofíticas isoladas de Caryocar brasiliense: atividade enzimática, antimicrobiana, leishmanicida e co-cultura com microrganismos patogênicos
(Universidade Federal de São Carlos, 2018-02-27)
Endophytic microorganisms are defined as those that can be isolated from healthy plant tissues, superficially disinfected and which do not cause apparent damage to the host. These microorganisms indirectly benefit the ...
Sistema integrado de análise e distribuição de resultados aplicados à bebida de açaí
(Universidade Federal de São Carlos, 2011-08-05)
The açaí palm (Euterpe oleracea Mart) is a tropical palm tree native to the Amazon. The main purpose of using the fruit is an açaí drink. It is estimated that the international açaí drink market grew 65% in the last three ...
Desenvolvimento de sensores e imunossensor eletroquímico para detecção de analitos relacionados à doença de Parkinson
(Universidade Federal de São Carlos, 2019-05-31)
The evolutions that have arisen in the medical field, over the last few years, reflect in reliable, accessible and fast response technologies aimed at with problems that are very complex and expensive. Point-of-care and ...