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Síntese de fulereno seleno triazois: um potencial fotossensibilizador para terapia fotodinâmica
(Universidade Federal de Santa Maria, 2014-07-28)
Não foi possível inserir abstract.
Extração líquido-líquido miniaturizada para determinação de Li, Na, K, Ba, Ca, Mg e Sr em petróleo por ICP-OES
(Universidade Federal de Santa Maria, 2022-10-27)
In this study, a miniaturized ultrasound combined liquid-liquid extraction (US-LLE) method was
developed for the extraction and subsequent Li, Na, K, Ba, Ca, Ca, Mg and Sr determination by
ICP-OES in crude oils. For the ...
Novos calcogenolatos de paládio(II) contendo núcleo [Pd2(-ER)2]: síntese e caracterização estrutural
(Universidade Federal de Santa Maria, 2016-02-26)
This work describes the synthesis and structural characterization of six new palladium(II) chalcogenolates derivatives containing [Pd2(-ER)2] core. These six compounds were characterized by single crystal X-ray diffraction ...
Tacrina análogos: síntese, derivatização, bioatividade e fotofísica de sistemas heterocíclicos híbridos
(Universidade Federal de Santa Maria, 2023-01-27)
This thesis presents the results related to the synthesis, structural characterization and evaluation of the in vitro enzymatic inhibition of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) of novel series of ...
Determinação de fármacos antieméticos em amostras de sedimento usando microextração líquido-líquido assistida pelo efeito salting-out e LC-MS
(Universidade Federal de Santa Maria, 2022-11-01)
In this work a multiresidue method for the determination of three antiemetic drugs
(ondansetron, metoclopramide and bromopride) in a sediment sample was developed
and validated. Sediment samples were collected at 10 ...
Síntese de 1,2,4-triazol-5-ilamino pirimidinas trifluormetil substituídas
(Universidade Federal de Santa Maria, 2009-12-16)
This work describes the synthesis and characterization of fourteen 4-trifluoromethyl-2-[3-(pyridyl)-1H-1,2,4-triazol-5-ylamino]pyrimidines (6, 7), from the cyclocondensation
reaction of N-[3-(pyridyl)-1H-1,2,4-triazol-5 ...
Síntese e cristaloquímica de complexos de Hg(II) e Ni(II) com o ligante 3-(2-fluorofenil)-1-(4-acetilfenil)triazenido e atividade biológica de triazenos livres
(Universidade Federal de Santa Maria, 2006-07-26)
In this dissertation were synthesized six compounds, of the which four are free triazene ligands and two
are triazenido complex of Hg(II) and Ni(II). The compouns were characterized by melting point, infrared an
UV/VIS ...
Análise estrutural de polímeros bidimensionais de fosfinatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2006-03-03)
In this work, the structures of three alkali and alkali-earth metal complexes of
phenylphosphinate ligands and ethylphosphinate ligands, (4) catena-poli-
[Ba(O2PHPh)2(OH2)], (5) catena-poli-[Na(O2PHPh)] e (6) ...
Pré-tratamento das vitaminas B1, B2, B3, B6 , BB12 e C para a determinação de cádmio e chumbo por voltametria de redissolução anódica
(Universidade Federal de Santa Maria, 2005-07-25)
The present work approaches pretreatment steps for the determination of
cadmium and lead, as contaminants, in water soluble vitamins of samples, vitamins B1,
BB2, B3, B6, B12, and C, for anodic stripping voltammetry ...
Determinação multirresíduo de agrotóxicos em casca, polpa e tubérculo de batata empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2023-02-16)
Pesticides have been intensively used to control pests, weeds and diseases
associated with various crops. Although these compounds protect crops, when the
recommended doses for application are not respected, they can ...