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Desenvolvimento de método colorimétrico utilizando dispositivo portátil para a determinação de cloreto em petróleo
(Universidade Federal de Santa Maria, 2020-09-24)
In this work, a colorimetric method was developed for the determination of chloride in crude oil using a portable device based on digital images obtained with an endoscopic camera and data processing using the PhotoMetrix ...
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 ...
Síntese e dinâmica rotacional de [2]rotaxanos contendo 1-benzidrilpiperazina no eixo molecular
(Universidade Federal de Santa Maria, 2020-02-03)
This dissertation describes the synthesis of molecular the threads ((E)-1,4-bis(4-benzydrylpiperazin-1-yl)but-2-ene-1,4-dione, 1,4-bis(4-benzydrylpiperazin-1-yl)butan-1,4-dio ne, (E)-1,4-bis(dibutylamine)but-2ene-1,4-dione ...
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 ...
Design and characterization of polymer-based nanoparticles loaded with zinc phthalocyanine for use in photodynamic therapy
(Universidade Federal de Santa Maria, 2021-10-08)
Zinc phthalocyanine (ZnPc) is a promising second-generation photosensitizer (PS) that exhibits advantageous properties that include low toxicity, high chemical and photochemical stability, strong absorption in the red ...
Aspectos inorgânicos e físico-químicos na determinação espectrofotométrica do radical 1,1-difenil-2-picrilhidrazil.
(Universidade Federal de Santa Maria, 2020-11-06)
The DPPH method has been reported with misconceptions in a large number of studies,
precluding the direct comparison of results. Attention is drawn to a common mistake in the unit
used to express the IC50 value of ascorbic ...
Síntese de 1-alquil-4-aminoalquil-2-trifluormetil-1H-pirróis e 1,2,3- triazóis derivados
(Universidade Federal de Santa Maria, 2020-12-04)
In the present work, it was carried out a study of the reactivity of 5-bromo-1,1,1-trifluoro-
4-methoxypent-3-en-2-one (5-bromo enone) towards primary aliphatic amines, which furnishes
as products two novel series of ...
Avaliação da MIC-DV para a decomposição de tecido de peixe e desenvolvimento de sistema para geração de vapor frio em frasco único
(Universidade Federal de Santa Maria, 2021-02-15)
In this work, microwave-induced combustion in disposable vessel (MIC-DV) was evaluated for the decomposition of fish tissue for the subsequent determination of As, Cd, Cr, Cu, Mn, Pb, Se and V by inductively coupled plasma ...