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Itens para a visualização no momento 101-110 of 365
Química supramolecular: uma jornada através da cristalização de 1,3,5-tris(pirazolil)benzenos e aminoisoxazóis e gelificação de n-fenilestearamidas
(Universidade Federal de Santa Maria, 2017-03-28)
This work presents the study of intermolecular interactions involved in the formation of molecular crystals and supramolecular gels. The compounds 3-amino-4-halo-5-methylisoxazoles and 1,3,5-Tris(pirazolyl)benzenes were ...
Caracterização química de extratos de plantas medicinais por LC-MS/MS e resposta in vivo da atividade anticonvulsivante da Jatropha gossypiifolia L.
(Universidade Federal de Santa Maria, 2017-08-17)
In this paper, two methods using LC-MS/MS were developed for the chemical
characterization of Amazonian medicinal plants and evaluated the anticonvulsive response in
vivo. An analytical method using LC-APPI-MS/MS with ...
Síntese, análise estrutural e aplicações de complexos de metais de transição como agentes antioxidantes.
(Universidade Federal de Santa Maria, 2017-08-31)
In this study, fifteen complexes were synthesized from the ligands derived from the condensation of 8-hydroxy-2-quinolinecarboxaldehyde with the primary amines: 2-aminoethanol (ethanolamine), 2-amino-1,3-propanediol (serinol) ...
Resíduos de agrotóxicos em ameixa, maçã, pera e pêssego: desenvolvimento de métodos de análise e monitoramento
(Universidade Federal de Santa Maria, 2017-02-06)
In recent years, the indiscriminate use of pesticides and a lack of adoption of good
agricultural practices have been evidenced by the results of analyzes of residues of
pesticides in food. Thus, the goal of this work ...
Síntese, caracterização estrutural e estudo fotofísico de cromóforos diflúor-organoboro derivados de azaheterociclos
(Universidade Federal de Santa Maria, 2018-07-11)
The present work presents the synthesis and spectroscopic study of new oxadiazaborinine derivatives from 2-amino substituted azaheterocycles systems, subdivided into four different classes of azaheterocycles, these are ...
Antipsicóticos em efluente hospitalar: ocorrência, método cromatográfico, avaliação de risco e ozonização
(Universidade Federal de Santa Maria, 2018-09-06)
Residues of psychoactive drugs in environmental samples have received great attention
in recent years due to the high consumption and the impacts they can cause to
ecosystems and also to human health. The objective of ...
Drogas anticâncer em efluente hospitalar: método, ocorrência, avaliação preliminar de risco, degradação por fotólise e ozonização
(Universidade Federal de Santa Maria, 2018-09-06)
In the last decade, the demand for anti-cancer drugs has grown considerably. These
products are one of the drug classes with great potential to cause harm to the
environment, even in low concentrations, and may have ...
Síntese de novos selenofenos indólicos via adição eletrofílica de SeCl2
(Universidade Federal de Santa Maria, 2019-02-01)
This work initially describes a novel and efficient protocol for the synthesis of 3-selenophen-3-yl-1H-indole derivatives via the electrophilic addition of SeCl2 to the conveniently substituted propargyl-indoles. The ...
Isolamento, determinação estrutural e atividades biológicas de metabólitos dos fungos Phellinotus piptadeniae E Pisolithus tinctorius
(Universidade Federal de Santa Maria, 2019-01-29)
Basidiomycete fungi are important living organisms that present several bioactive compounds, which have antimicrobial, antitumor, antioxidant, and anti-inflammatory potential. Several compounds and potentialities of this ...
Transformação estrutural no estado sólido de polímeros de coordenação de duas e três dimensões contendo o ligante flexível 4-α,α’-xilenodiilabis(fenilfosfinato)
(Universidade Federal de Santa Maria, 2018-02-27)
Cobalt, nickel, copper and zinc acetate salts were reacted with the 1,4-α, α'-
xylenediylabis(phenylphosphinate) (XBPP) ligand and two-dimensional CoII and ZnII
coordination polymers were reacted with temperature control: ...