Search
Now showing items 121-130 of 321
Complexos de rutênio com ligantes de interesse biológico: aspectos químicos, estruturais e avaliação de suas atividades biológicas
(Universidade Federal de São Carlos, 2013-09-20)
This thesis focus on the synthesis, characterization and evaluation of the biological properties of three series of phosphinic ruthenium complexes containing bioligands of purine and pyrimidine derivatives. Series 1: ...
Síntese de derivados ftalocianínicos de alta conjugação : estratégias envolvendo acoplamentos organometálicos e metano[10]anulenos
(Universidade Federal de São Carlos, 2017-04-28)
In this study, the synthesis of phthalocyanine derivatives with extended conjugation were proposed. In order to obtain these compounds, two main strategies were applied. One of them, was the Heck-Mizoroki cross-coupling ...
Estudo fitoquímico biomonitorado em Picramnia bahiensis e Thyrsodium schomburgkianum inseticidas, fungicidas e microencapsulação
(Universidade Federal de São Carlos, 2013-03-22)
The leaf-cutting ants of the genera Atta and Acromyrmex are considered between the most important plagues in agriculture, grassland and reforestation program, due the great amount of leaves cut which the plants are submitted. ...
Deposição de nanocristais coloidais: da síntese à aplicação na fotoeletroquímica da oxidação da água
(Universidade Federal de São Carlos, 2016-05-24)
An excellent and potentially efficient route towards storing solar energy is
to convert light into chemical energy in the form of chemical bonds, which is a form
of artificial photosynthesis. Considering the abundance ...
Uso de blogs na formação inicial de professores de química a distância : benefícios e barreiras
(Universidade Federal de São Carlos, 2015-08-20)
Investigations
concerning pre-service teacher education in Chemistry have increasingly been
made from the 1990s. Currently, studies that are based on reflective teaching are
at the forefront. An alternative to creating ...
Avaliação do potencial biotecnológico de microorganismos associados ao inseto-praga diabrotica speciosa na produção de polímeros biobaseados e biodegradáveis
(Universidade Federal de São Carlos, 2016-06-24)
Technological development and market pressure turned polymers into widely used
structural materials for several different applications, being manufactured by a wide
range of monomers. However, traditional polymers usually ...
Contaminantes emergentes: ocorrência e distribuição espaço-temporal no rio do Monjolinho e avaliação da remoção pela estação de tratamento de esgotos de São Carlos
(Universidade Federal de São Carlos, 2015-03-27)
This work aimed to investigate the occurrence of 12 emerging contaminants (pharmaceuticals, hormones and triclosan) in samples of influents and effluents, as well the removal in the sewage treatment plant (STP) of São ...
Uso da modelagem molecular na solução de problemas em química
(Universidade Federal de São Carlos, 2014-08-29)
The studies presented herein show the use of molecular modelling coupled to spectroscopic data to tackle four different problems in organic chemistry. In the first study, the sulfonylation of the primary hydroxyl group of ...
Estudos de poligalacturonases do fungo mutualista Leucoagaricus gongylophorus
(Universidade Federal de São Carlos, 2014-08-12)
Polygalacturonases (PGases) are enzymes which hydrolyze glycosidic linkages - 1,4 between pectic acid residues, and are produced by plants, fungi, bacteria and yeasts. The fungus L. gongylophorus, Atta sexdens ant ...
Nano-microencapsulados de extrato de Azadirachta indica usando ligninas do bagaço de cana-de-açúcar: estabilidade e eficácia contra insetos pragas
(Universidade Federal de São Carlos, 2014-07-25)
The present work aimed the development of a model bioinsecticide for pest insect control using microencapsulated botanical extracts of Azadirachta indica (neem), and natural polymer of lignins, witch were extracted from ...