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Now showing items 31-40 of 52
Desenvolvimento de métodos para estudo de dioxinas presentes na cinza do bagaço da cana-de-açúcar : avaliação do potencial biorremediador de cepas microbianas em compostagem aeróbica
(Universidade Federal de São Carlos, 2012-03-30)
Sugarcane bagasse ash is a byproduct of sugar and alcohol industry with potential for field application. However, the presence of organic contaminants such as dioxins turns necessary the development of strategies for removal ...
Estudo químico de Xanthomonas citri subsp. citri e sua influência no perfil químico de Citrus sinensis
(Universidade Federal de São Carlos, 2014-12-17)
Citrus canker, caused by the bacteria Xanthomonas axonopodis pv. citri (Xac), is a disease that causes serious problems to the global citrus industry, especially to orange(Citrus sinensis). In this regard, this thesis ...
Planejamento e avaliação de fragmentos moleculares como inibidores da enzima cruzaína
(Universidade Federal de São Carlos, 2015-08-24)
The available drugs for treating Chagas disease are not
effective, therefore the development of new therapies is needed. Cruzain is the major
Trypanosoma cruzi cysteine protease, the causative agent of the disease, and ...
Multicomponent reactions in the discovery of organocatalysts and the diversification of organocatalytic approaches
(Universidade Federal de São Carlos, 2015-06-19)
This thesis reports the development of multicomponent approaches directed to specific objectives: a) the discovery of new and efficient peptide-based catalyst for asymmetric
transformations and b) the synthesis of ...
Busca por inibidores de catepsinas em plantas do cerrado paulista e avaliação da proteólise tumoral in vitro
(Universidade Federal de São Carlos, 2015-03-27)
The aim of this work is search for cysteine proteases inhibitors using a bioactivity-guided assay. We have selected different plants for the initial screening. Among all evaluated extracts, the ones obtained from Myrcia ...
Estudo do perfil químico de Cyperus rotundus e avaliação do seu potencial de absorção de metais
(Universidade Federal de São Carlos, 2016-07-27)
The following work describes the comparative study of the variation between chemical profiles of plants of the Cyperus rotundus species – where one was collected at Vale S.A.’s dumping ground in Canaã dos Carajás city, ...
Estudos fitoquímicos e avaliação da atividade antitumoral de extratos vegetais de Casearia sylvestris nanoencapsulados
(Universidade Federal de São Carlos, 2013-03-26)
The term cancer refers to neoplasias that are characterized by uncontrolled growth of cells that have some kind of genetic mutation. Prostate cancer is the cancer with the highest incidence in men. In its initial phase, ...
Químio-, régio- e estereosseletividades das reações de Diels-Alder de para-benzoquinonas: um estudo teórico
(Universidade Federal de São Carlos, 2014-07-23)
In this work, some computational theoretical studies on the reactivity of para-benzoquinones and their derivatives in Diels-Alder reactions were proposed These studies were done in order to compliment the corresponding ...
Técnicas de bioinformática aplicadas ao estudo de poligalacturonases de fungos
(Universidade Federal de São Carlos, 2012-04-18)
Plant cell walls are composed of approximately 65% cellulose microfibrils and pectin. The latter is proteolytically degraded by the so-called pectinases enzymes (also known as pectinolytic enzymes). Pectinases may be either ...
Metátese de fechamento de anéis de derivados da R-(-)- Carvona
(Universidade Federal de São Carlos, 2012-03-21)
In this work was developed a new synthetic route to obtain cicloeptenone not conjugated selectively, through a faster and simpler methodology, and in accordance with good practices of green chemistry. By experimental ...