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Síntese e caracterização de novos compostos de difenilfosfinatos de chumbo(II) e mercúrio(I) e (II)
(Universidade Federal de Santa Maria, 2009-08-17)
In this work, nine new compounds of lead(II) and mercury(I) and (II)diphenylphosphinates were synthesized, among them four are lead(II) compounds with diphenylphosphinates, hydroxo and water ligands, obtained in reactions ...
Síntese, análise estrutural e caracterização de novos compostos de coordenação de fenilseleninato de cobre(II)
(Universidade Federal de Santa Maria, 2010-03-25)
In this work were synthesized and studied four new coordination compounds of copper(II) with phenylseleninato ligand, three of them polymeric and one molecular. The reaction of phenylseleninic acid with copper(II) acetate ...
Análise das ligações de hidrogênio em sais complexos e polímeros de coordenação do íon ditionato
(Universidade Federal de Santa Maria, 2013-08-12)
In this work six aqua complexes of the transition metals Fe2+, Co2+, Ni2+, Cu2+, Zn2+ and Cd2+
containing the dithionate ion were synthesized and characterized through metathesis reactions
in aqueous solution between ...
Síntese e análise estrutural de novos plímeros de coordenação envolvendo seleninatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2007-12-03)
Seven new compounds involving the phenylseleninato ligand and alkaline and alkaline earth metals were obtained in this work: poly-phenylseleninato lithium(I) (1), catena-polybis(aqua)-phenylseleninato sodium(I) (2), ...
Estudo da atividade antioxidante in vitro e caracterização cromatográfica em extratos de plantas medicinais da Amazônia
(Universidade Federal de Santa Maria, 2014-03-12)
Most of the free radicals generated in the body is derived from oxygen and are associated with
the development of many diseases. Medicinal plants are a natural resource in the treatment
prevention of diseases and have ...
Desenvolvimento de método para a determinação de metais no sangue e sua correlação com a leucemia linfocítica aguda
(Universidade Federal de Santa Maria, 2019-04-26)
Acute lymphocytic leukemia (ALL) is characterized as a hematological disease that originates during the development of young white blood cells, called lymphocytes. Although it is the type of cancer with the highest number ...
Investigação da adequabilidade da cromatografia de íons para a determinação de espécies de halogênios em saliva
(Universidade Federal de Santa Maria, 2019-08-15)
In this work, ion chromatography was investigated for halogens speciation analysis in
human saliva. Initially, it was used an isocratic ion chromatography system (“IC 1
System”), being evaluated: the chromatographic ...
Estudo de semi-sintéticos do ácido morônico e estudo de espectroscopia de difusão ordenada em produtos naturais
(Universidade Federal de Santa Maria, 2019-11-01)
Natural products play an important role in the discovery of new drugs, either by
isolating novel structures or obtaining semi-synthetic ones. However, due to the
complex nature, these studies are real challenges and ...
Determinação de resíduos de herbicidas em diferentes variedades de arroz (branco, preto e vermelho) empregando método QuEChERS e LC-MS/MS
(Universidade Federal de Santa Maria, 2019-02-28)
Rice is the main component of the basic diet of the world population. This food is of utmost importance for world food security. Therefore, aspects related to its production and consumption must be continuously monitored ...
Determinação de resíduos de agrotóxicos em azeite de oliva e azeitonas empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-08-03)
Commonly used in the Mediterranean diet, olive oils and table olives have become more frequent in the everyday meals of the Brazilian consumer. Despite the small consumption per capita, the country is already the second ...