Browsing by Subject "Natural products"
Now showing items 1-11 of 11
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Complexos fosfínicos de Pd(II) com produtos naturais: síntese, caracterização, avaliação da citotoxicidade e interação com biomoléculas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 29/11/2023)This thesis details the synthesis, characterization and evaluation of antitumor activity of twelve monocationic PdII/phosphine complexes featuring ligands derived from products natural. The complexes were categorized in ... -
Estudos químicos e microbiológicos de microrganismos associados à esponja marinha Dragmacidon reticulatum, objetivando o isolamento de metabólitos secundários bioativos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Biotecnologia - PPGBiotec, , 22/04/2010)Fungi are known as one of the most promising sources of unprecedent bioactive compounds, however, marine derived fungi are still very poorly studied. These microorganisms present high percentages of active metabolites and ... -
Efeitos de um derivado semissintético do [6]-gingerol na autofagia e apoptose em células de câncer de mama
(Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Ciências Fisiológicas - PIPGCF, Câmpus São Carlos, 09/05/2017)In this work, we describe a semisynthetic derivative of [6]-gingerol called SSi6, which induces cytotoxic effects on the MDA-MB-231 breast tumor, showing a greater selectivity for these cells when compared to the non-tumor ... -
Isolation of the endophytic and rhizospheric microbiome associated to Polygala spp.: Evaluation of the biotechnological potential and antimicrobial activity
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Biotecnologia - PPGBiotec, Câmpus São Carlos, 31/08/2018)Polygala spp. are plants commonly used for the treatment of injuries and sprains. Their roots contain methyl salicylate, a compound known for its analgesic properties. However, important compounds such as alkaloids, ... -
Mecanismo de ação da cedrelona na morte celular programada de células de câncer de mama
(Universidade Federal de São Carlos, UFSCar, Programa Interinstitucional de Pós-Graduação em Ciências Fisiológicas - PIPGCF, , 30/03/2015)Cancer is among the leading causes of death in the world and breast cancer is the type of cancer that affects more women. The treatment of this disorder requires a careful selection of one or more methods of intervention. ... -
Estudo dos alcaloides quinolônicos de Waltheria brachypetala Turcz: isolamento, determinação estrutural, biogênese, atividades fungitóxica e anticolinesterase
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/06/2012)Waltheria brachypetala Turcz (Malvaceae) is an endemic medicinal plant from brazilian northeast. This plant is commonly used on folk medicine as antifungal, antiinflamatory and to treatment of bronchitis and central nervous ... -
Metabolismo de Flavonoides por Spodoptera frugiperda e Anticarsia gemmatalis
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 19/08/2019)The soybean plant (Glycine max L. Merryl) produces a range of flavonoids as secondary metabolites, known to cause damage to herbivorous insects. However, Spodoptera frugiperda and Anticarsia gemmatalis (Lepidoptera: ... -
Complexos semi-sanduíche de RuII/areno e produtos naturais: uma promissora combinação para novos metalofármacos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 15/10/2020)This thesis presents the synthesis, characterization and evaluation of antitumor activity of nineteen neutral and monocatonic organometallic complexes containing ligands derived from natural products. The complexes were ... -
Picramnia glazioviana and Picramnia bahiensis as source for new natural products. Insecticidal and fungicidal evaluations and High-Resolution Bioassay/HPLC-HRMS-SPE/NMR studies
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 27/04/2018)Leaf-cutting ants of the genus Atta and Acromyrmex are considered the most important pests in agriculture, pastures, and reforestation programs due to the defoliation caused by the uncontrolled herbivory that the plants ... -
Estudo fitoquímico biomonitorado de Duguetia lanceolata e Lithraea molleoides no controle de pragas agrícolas e processos de nanoencapsulamento
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 29/04/2016)Leafcutter ants and maize weevil are responsible for great losses in Brazilian agriculture due to the difficult control of these pests. Natural products are becoming increasingly important, mainly in the search for non-toxic ... -
Desenvolvimento de biossensores eletroquímicos baseados em acetilcolinesterase visando identificar extratos e substâncias para o controle de formigas cortadeiras
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 31/10/2019)Brazil, which is a continental country, has an appropriate climate for various agricultural practices. Insects, in general, are considered pests for agricultural areas, among them, an Atta sexdens rubropilosa (leafcutter ...