Buscar
Itens para a visualização no momento 1-10 of 23
Estudo da presença de fármacos como adulterantes em suplementos alimentares empregando detecção amperométrica e voltamétrica
(Universidade Federal de Santa Maria, 2018-02-28)
The use of food supplements grows around the world every day. In order to improve physical performance,
prevent disease, maintain and improve health, obtain and / or maintain desired body weight and still fill
nutritional ...
Líquidos iônicos dicatiônicos: propriedades físicoquímicas e interações com fármacos
(Universidade Federal de Santa Maria, 2018-01-26)
This study presents the influence of the molecular structure of dicationic ionic liquids
(ILs) derived from imidazolium ring, on physicochemical properties, self-association and
heteroassociation. Changes in solubility ...
Determinação de compostos organosulfurados como marcadores dos processos de envelhecimento em matrizes asfálticas brasileiras
(Universidade Federal de Santa Maria, 2018-03-01)
The involvement of organosulfur species in the aging processes of Brazilian asphalt cements was studied using analytical methodologies such as ultra high performance liquid chromatography with atmospheric pressure ...
Desenvolvimento de método para determinação de paraquate, diquate, clormequate e mepiquate em cevada e trigo utilizando HILIC-UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2018-07-20)
Quaternary ammonium compounds (QUATs) constitute an important class of agrochemicals that include paraquat, diquat, chlormequat and mepiquat. Among these, paraquat is one of the most well-known herbicides in the world, ...
Arquiteturas metalo-supramoleculares em derivados de aroilbistioureias
(Universidade Federal de Santa Maria, 2018-08-03)
This work presents the synthesis and characterization of twenty-six compounds divided into two main
groups. The first one approaches compounds containing the oxidorhenium(V) {ReO}3+ moeity and the
ligands benzoyl(N,N-d ...
Síntese e avaliação fotofísica de compostos fulereno[60]-glicoconjugados
(Universidade Federal de Santa Maria, 2018-09-19)
In the midst of a variety of alternative therapies in the treatment of several diseases, the photodynamic therapy appears as a versatile protocol. This therapy uses the absorptive properties of photoactive molecules, called ...
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 ...
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: ...