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HPAs em águas superficiais e efluente hospitalar: degradação por PAOs e desenvolvimento de métodos para determinação e identificação de subprodutos
(Universidade Federal de Santa Maria, 2016-02-26)
In this study, was optimization an analytical method for identification and quantification method of Polycyclic Aromatic Hydrocarbons (PAHs) in surface water and hospital effluent samples. High Performance Liquid Chromatography ...
Determinação de POPs e agrotóxicos em leite materno empregando cromatografia a gás acoplada à espectrometria de massas com ionização química negativa (GC-NCI-MS)
(Universidade Federal de Santa Maria, 2016-03-31)
The Stockholm Convention was the first global attitude trying to preserve human health and the environment of the indiscriminate use of persistent organic pollutants (POPs), especially pesticides, which are characterized ...
Síntese e avaliação da atividade antioxidante de calcogenilazidas e calcogeniltriazóis
(Universidade Federal de Santa Maria, 2016-03-24)
In this work, we developed a synthetic route for obtaining β-aryl-chalcogenoazide and β-aryl-chalcogenotriazole (S, Se and Te) derived from L-amino acids (L-phenylalanine, L-valine and L-leucine). We obtained a compounds ...
Síntese e bioatividade de sistemas pirazolil-piridínicos poli-heterocíclicos trialometil substituídos
(Universidade Federal de Santa Maria, 2015-03-02)
This thesis describes the studies carried out using the reagent 6-
hydrazinonicotinic hydrazide for the synthesis of new trihalomethylated pyrazolylpyridine
systems using the 4-alkoxy-4-alkyl(aryl/heteroaryl-1,1,1-trihal ...
Síntese de novas azinas trifluormetil substituídas e derivados a partir de reações de heterociclização de trifluoracetil enol éteres com diamino arenos
(Universidade Federal de Santa Maria, 2013-12-13)
The present research describes the study of synthetic strategies for obtaining of polyheterocyclic systems trifluoromethyl substituted from simple precursors: 4-alkoxy-1,1,1-trifluoroalk-3-en-2-ones (1), of formula ...
Síntese de heterociclos: 2-alquil/arilcalcogeno-n-(4-aril-1,3-tiazol-2-il)acetamidas e (s)-n-(1-(3-aril-1,2,4-oxadiazol-5-il)alquil)-2-(calcogenofenil) acetamidas derivados de organocalcogênios
(Universidade Federal de Santa Maria, 2015-03-27)
In the present work, a series of 2-alkyl/arylchalcogenide-N-(4-aryl-1,3-thiazol-2-yl)acetamide was prepared via addition of aryl or alkyl chalcogenides. This methodology allowed the preparation of new derivatives of ...
Compostos de coordenação derivados do disseleneto e disselenoéteres de bis(2-piridina) síntese, caracterização e aplicações
(Universidade Federal de Santa Maria, 2015-03-06)
This work describes the synthesis and characterization of nineteen compounds derivative of diselenide and diselenoethers of bis(2-pyridyl) with metals of different degree of hardness. Among the nineteen obtained complex, ...
Síntese de novos isoxazóis e pirazóis a partir de derivados 1,3-diíno indólicos
(Universidade Federal de Santa Maria, 2015-04-06)
In this work it describe the synthesis and characterization of new 1,3-diynes indole derivatives, the 1,6-bis(1H-indol-1-yl)hexa-2,4-diynes (6 examples) and unsymmetrical 1-(5-arylpenta-2,4-diynyl)-1H-indoles (6 examples), ...
Avaliação da calibração em LA-ICP-MS usando papel filtro para análise de plantas
(Universidade Federal de Santa Maria, 2015-01-13)
In this work, a new calibration strategy was investigated for the determination of As, Ba, Cd,
Ce, Co, Cr, Cu, La, Mn, Ni, Pb, Se, Sr, Tl, V and Zn in medicinal plants by laser ablation and
inductively coupled plasma mass ...
Estudo comparativo da bioatividade de compostos fenólicos em plantas medicinais
(Universidade Federal de Santa Maria, 2013-09-25)
Phenolic compounds are secondary metabolites, widely distributed in the plant
kingdom, which present antiinflamatory, antibacterial, antiviral, antialergical and
antitumoral activities, in addition to antioxidant activities. ...