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Βeta-bloqueadores em efluente hospitalar: ocorrência, degradação por processos avançados de oxidação e identificação de subprodutos
(Universidade Federal de Santa Maria, 2011-12-15)
β-Blockers are an important group of prescription drugs; as a consequence of the large and continuous use, they are commonly found in the environment.
This study assessed, preliminary, the inherent risk of the β-blockers ...
Síntese e estrutura de compostos poliaza heterocíclicos
(Universidade Federal de Santa Maria, 2012-07-27)
This work describes the synthesis of a number of polyaza heterocycles and
the mechanistic study to obtain these products. Furthermore, the characterization
was performed by spectroscopic method and the structural study by ...
Síntese de 3-acil-4-aril-2-(trifluormetil)-2-hidróxi-3,4,7,8-tetraidro-2h-cromen-5(6h)-onas via reações multicomponentes e derivatizações
(Universidade Federal de Santa Maria, 2012-08-20)
This work describes firstly the synthesis of a new series of 3-acyl-4-aryl-2-(trifluoromethyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-ones (4) (thirty-four examples) through the methodology of multicomponent reactions ...
Desenvolvimento de um processo de separação de emulsão com o uso de radiação microondas para a caracterização de petróleo extrapesado
(Universidade Federal de Santa Maria, 2009-04-17)
In this work is proposed a procedure for separation in laboratory scale of extra-heavy
crude oil emulsions with high dissolved water and salt content, using microwave radiation in
a closed system. The emulsion was ...
Síntese regiosseletiva de cromenos e cromenonas derivados de organocalcogênio via reações de ciclização intramolecular
(Universidade Federal de Santa Maria, 2012-08-30)
In the first part of this work, a series of organochalcogen propargyl aryl ethers (19 examples) was easily prepared by reaction of propargyl aryl ethers and different organochalcogen electrophilic species. In general, the ...
Síntese de novos heterociclos a partir do ácido levulínico
(Universidade Federal de Santa Maria, 2009-01-26)
The synthesis of new compounds alkyl 3-azolyl propanoate e alkyl 3-azolyl
propanoic acid structurally analogues to gamma-aminobutiric acid (GABA) is
reported. One more time using the acetal acylation method, now the ...
Mecanismo reacional de etanotiol em eletrodo de ouro e seu comportamento em sistemas redox
(Universidade Federal de Santa Maria, 2012-08-10)
Sulphur compounds can interfere with product quality of the wine, since they have a
characteristic undesirable odor. The ethanethiol is considered an interesting compound from
the electrochemical point of view, since it ...
Alterações no encéfalo de bovinos submetidos à vigilância das encefalopatias espongiformes transmissíveis
(Universidade Federal de Santa Maria, 2007-02-23)
This study stems from the findings during the gross and histopathological exam of 3,338 cattle brains as
part of the bovine spongiform encephalopathy (BSE) active surveillance program of the Brazilian Ministry of
Agriculture, ...
Dermatopatias não-tumorais em cães: bases para o diagnóstico e dados de prevalência em Santa Maria, Rio Grande do Sul (2005-2008)
(Universidade Federal de Santa Maria, 2009-02-06)
The current study stemmed from the interest in improving the diagnostic capabilities
of a team consisting of two small animal clinicians and four veterinary pathologists from the
Laboratório de Patologia Veterinária of ...
Neuropatologia da cinomose canina
(Universidade Federal de Santa Maria, 2009-03-30)
Canine distemper is one of the most prevalent viral diseases of dogs. Several cases are diagnosed in a daily basis in private practices and veterinary hospitals around the country. Most cases of neurological manifestation ...