Buscar
Itens para a visualização no momento 11-20 of 24
Avaliação de metaloestrógenos em cabelo de mulheres com câncer de mama por LA-ICP-MS
(Universidade Federal de Santa Maria, 2021-05-07)
In this work, the relationship of metalloestrogens (Al, Sb, As, Ba, Cd, Cr, Co, Cu, Pb, Hg, Ni, Se, Sn, V, and Zn) with breast cancer in women with age around 59 years. Laser ablation coupled to inductively coupled plasma ...
1,2,3-triazolil-1,2,4-oxadiazóis derivados de N-óxidos N-heterocíclicos benzofundidos: síntese, caracterização físico-química, reatividade e estudo computacional
(Universidade Federal de Santa Maria, 2021-12-18)
Taking into account potential bioactive, photophysical and redox-active properties of N-heterocycles and of their N-oxides, a 40 inedit benzofuroxan- or 2,2-dimethyl-2H-benzimidazole-1,3-dioxide- bound 1,2,3-triazolyl-1, ...
Desenvolvimento de método utilizando a microextração líquido-líquido dispersiva em fase reversa para determinação de As, Cd, Hg, Pb, Co, Ni e V em excipientes farmacêuticos oleosos
(Universidade Federal de Santa Maria, 2021-03-05)
In this study, an extraction method using oily pharmaceutical excipients was developed for further determination of elemental impurity from classes 1(As, Cd, Hg, and Pb) and 2A (Co, Ni, and V) according to ICH Q3D. The ...
Compostos de coordenação de níquel(II) contendo ligante dioxo-halogenosselenito e de cobre(II) contendo ligante hidrogenosselenito: síntese, caracterização e aplicações
(Universidade Federal de Santa Maria, 2021-03-05)
This work describes the synthesis and structural characterization of five new coordination compounds containing inorganic ligands the dioxo-halogenselenate and hydrogenselenite anions. The compounds [NiCl(SeO2Cl)(bipy)2] ...
Síntese de 3-organocalcogenil-2-organo-cromenonas via reações de ciclização intramolecular mediada por selectfluor®
(Universidade Federal de Santa Maria, 2021-09-30)
This paper reports the development of an effective synthetic protocol between 1,3-
organo-propynones 1 and different diorganoyl dicalcogenides 2 mediated by Selectfluor® and
employing acetonitrile as a solvent, at room ...
Determinação elementar e avaliação da geração química de vapor para determinação simultânea de As e Hg em suplementos alimentares por MIP OES
(Universidade Federal de Santa Maria, 2021-09-09)
In this work the suitability of microwave induced plasma optical emission spectrometry (MIP OES) for the determination of essential and non-essential elements in dietary supplements was evaluated. In this purpose, thirteen ...
Síntese, análise estrutural e avaliação do potencial inibitório frente à enzima tirosinase por complexos de oxidovánadio(IV) e dioxidovanádio(V) derivados de hidrazidas aromáticas.
(Universidade Federal de Santa Maria, 2021-10-07)
Ten ligands were synthesized through aldol condensation of salicylic aldehyde and pyridoxal hydrochloride (C1AS, C2AS, C3AS, C4AS, C5AS, C1P, C2P, C3P, C4P and C5P) with five primary amines from p-substituted aromatic ...
Síntese e propriedades fotofísicas de 2-(5-aril-4,5-diidro-1H-1-fenilpirazol-3-il) fenóis e sistemas pirazolil-triazólicos derivados
(Universidade Federal de Santa Maria, 2021-11-26)
The present work describes the synthesis, structural study and evaluation of the photophysical properties of a series of eight 1,3,5-triaryl-substituted 2-pyrazolin derivatives, as well as their application in obtaining a ...
Desenvolvimento e aplicação de método por UHPLC-MS/MS para determinação de fármacos em efluentes tratados em sistemas de wetlands construídos
(Universidade Federal de Santa Maria, 2021-12-18)
The growth in production and consequently in the use of pharmaceuticals and personal care products over the years has made domestic effluents generated both in large cities and in small cities loaded with these compounds, ...
Determinação de compostos aromáticos nitrogenados fixos e voláteis em matrizes asfálticas empregando cromatografia líquida de alta eficiência (HPLC)
(Universidade Federal de Santa Maria, 2021-12-16)
Petroleum asphalt cement is the main source of asphalt cement today. The handling and application of the binder on the pavement is only possible with the use of high temperatures, which causes the matrix to undergo an aging ...