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Itens para a visualização no momento 11-20 of 21
Hidroxialuminosilicatos e a biodisponibilidade do alumínio: avaliação in vivo
(Universidade Federal de Santa Maria, 2012-12-10)
Aluminium (Al) and silicon (Si) are contaminants found in substances used in
the parenteral nutrition (PN). Because of its large volume, nutrition and infusion
solutions are pharmaceutical products parenterally administered, ...
Constituintes químicos de óleos voláteis de plantas medicinais do Rio Grande do Sul: isolamento, determinação estrutural e atividade biológica.
(Universidade Federal de Santa Maria, 2012-05-04)
The essential oils of six species of plants wild in south Brazil, were investigated as for its chemical composition, antibacterial activity and antioxidant potential. The selected species for this study were Calea clematidea ...
Bário em soluções de nutrição parenteral e medicamentos: origem, níveis de contaminação e avaliação da distribuição no organismo em modelo animal
(Universidade Federal de Santa Maria, 2012-03-21)
Barium (Ba) contamination in solution for parenteral nutrition (PN) and drugs was
studied. The concentration of Ba was determined by F-AAS in glass and plastic packaging
used to store the formulations, since the compounds ...
Síntese e análise estrutural de clusters binários e ternários derivados de bis(fenilselenolato) de mercúrio Hg(SePh)2
(Universidade Federal de Santa Maria, 2012-03-30)
This work deals with the synthesis and structural analysis of binary and
ternary clusters derivatives from mercury bis(phenylselenolate) - Hg(SePh)2.
The reaction of Hg(SePh)2 with Mg(II), Fe(II), Co(II) and Ni(II) metal ...
Determinação multiclasse de resíduos de agrotóxicos e medicamentos veterinários em carnes por LC-MS/MS
(Universidade Federal de Santa Maria, 2012-03-23)
The agribusiness has been incorporating new technologies in the production of
meat, including good management of farms, health, balanced diet, breeding and
integrated production. Allied to this, there is a growing concern ...
Identificação e determinação de fármacos ansiolíticos e antiepilépticos e seus metabólitos em efluente hospitalar
(Universidade Federal de Santa Maria, 2012-12-06)
A new analytical methodology was developed in order to investigate the presence of five psychoactive
drugs (anxiolytic and antiepileptics), namely, bromazepam, carbamazepine, clonazepam, diazepam, and
lorazepam in the ...
Hidazida 6-hidrazinonicotínica: síntese quimio e regiosseletiva de piridinohidrazonas, ácidos pirazolil-nicotínicos e heterociclos derivados
(Universidade Federal de Santa Maria, 2012-04-20)
The present research firstly describes the study of methods for the hydrolysis of amide bond [C(O)-N] in 2-(5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1-yl)-5-(5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1 ...
Determinação de elementos-traço em borracha natural e de silicone por espectrometria de absorção atômica com forno de grafite com amostragem de sólidos
(Universidade Federal de Santa Maria, 2012-03-11)
In this work the use of solid sampling graphite furnace atomic absorption
spectrometry for the determination of Cr, Cu, Mn, Ni, Pb, Sb, Sn and Zn in
natural rubber and Cr in silicone rubber was proposed. Calibration was ...
Síntese, cristalografia e atividade biológica de complexos triazenidos de Au(I), Ag(I), Pd(II) E Pt(II)
(Universidade Federal de Santa Maria, 2012-08-24)
This work presents the synthesis of compounds and their triazenes complexes of gold(I), silver(I), platinum(II) and paladium(II). Triazenes have three nitrogen atoms connected in sequence [ N=N N(H) ] and, when deprotonated, ...
Emprego de oxigênio e peróxido de hidrogênio como auxiliares na decomposição de amostras biológicas por via úmida assistida por radiação micro-ondas
(Universidade Federal de Santa Maria, 2012-07-02)
In the present work it was investigated the possibility of using diluted HNO3 solutions for digestion of biological samples (milk powder and bovine liver) by microwave-assisted wet digestion. The possibility of use O2 and ...