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Caracterização de mutantes de Streptomyces clavuligerus ATCC 27064 obtidos por aplicação de radiação UV e tratamento químico
(Universidade Federal de São Carlos, 2008-12-18)
The clavulanic acid is a powerful inhibitor of the beta-lactamases produced by bacterias resistants to penicillin and cefalosporin. This acid is produced industrially by strains of Streptomyces clavuligerus in complex ...
Aproveitamento do caroço do açaí como substrato para a produção de enzimas por fermentação em estado sólido
(Universidade Federal de São Carlos, 2010-10-14)
The açaí agroindustry is the most important productive chains in northern Brazil. The residues in the marketing of açaí consists mainly of its pits, which are discarded in landfills and waterways without any treatment. A ...
Comportamento de variedades de cana-de-açúcar (Saccharum spp.) em inoculações com diferentes concentrações de Leifsonia xyli subsp. xyli.
(Universidade Federal de São Carlos, 2010-09-30)
The sugar cane is a semiperennial plant currently considered one of the most important crops in the world due to its ability to produce renewable energy (ethanol) and sugar. The soil quality, water availability and temperature ...
Avaliação do tempo de incubação do fotossensibilizador curcumina em Staphylococcus aureus e Pseudomonas aeruginosa na inativação fotodinâmica
(Universidade Federal de São Carlos, 2013-04-02)
Photodynamic Therapy (PDT) has been helping medicine in treatment infectious diseases and tumors. PDT's principle is based on a photosensitizer (PS) that is photoactivated by light at specific wavelength which generates ...
Validação de metodologia analítica para determinação de cromo e zinco em biossólido
(Universidade Federal de São Carlos, 2010-12-07)
The use of sewage sludge on agricultural soils has the main benefits the incorporation of the macronutrients nitrogen and phosphorus and the micronutrients zinc, copper, iron, manganese and molybdenum. You could say that, ...
Produção de celulases, purificação e caracterização bioquímico-cinética da ß-Glicosidase produzida por fungo isolado da região amazônica
(Universidade Federal de São Carlos, 2012-06-27)
The selection of cellulase-producing fungi is one of the possible estrategies for obtaining necessary enzymes to hydrolyze the lignocellulosic material of plant biomass and thereby contribute to the viability of cellulosic ...
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 ...
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 ...
Análise da diversidade bacteriana em solos
(Universidade Federal de São Carlos, 2018-07-12)
Since ancient times the soil has always had a very high importance for the primitive, since the soil was used for food production among other peculiarities. Given this, over time the interest in soil studies were gaining ...