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Síntese e avaliação biológica de 1,2,3-triazóis-1,4-dissubstituídos derivados de benzocalcogenoanilinas e 2-aril-4-(azidometil)-1,3-calcogenazóis
(Universidade Federal de Santa Maria, 2019-01-31)
In the present work two new series of 1,2,3-triazoles-1,4-disubstituted 20-33 obtained by the reaction of 1,3-dipolar cycloaddition, Click-type, were synthesized between the alkaloids derived from benzocalcogenoanilines ...
Determinação de impurezas elementares em sulfato de bário por ICP-MS após volatilização empregando combustão iniciada por micro-ondas
(Universidade Federal de Santa Maria, 2018-07-25)
In order to volatilize analytes from inorganic samples, additives such as
microcrystalline cellulose have been applied. The cellulose is burnt and the heat
generated helps to volatilize the analytes of the matrix being, ...
Análise fitoquímica das espécies Discaria americana e Scutia buxifolia
(Universidade Federal de Santa Maria, 2018-02-26)
This work had as a proposal to carry out a phytochemical study of the crude
extract of the bark of the roots of the species American Discaria Gilles and Hooker and
of the bark of the stem of the species Scutia buxifolia. ...
Processo de adsorção de naftaleno em soluções aquosas: uma abordagem multivariada
(Universidade Federal de Santa Maria, 2019-07-31)
Naphthalene is the PAH with the simplest chemical structure, it has two aromatic rings. Thus, it serves as a standard for studies concerning this class of compounds, which present potential prejudicial to human health and ...
Síntese de 3-iodo-4H-calcogenofeno[3,2-b]indol via ciclização eletrofílica mediada por iodo de derivados de alquinil indol
(Universidade Federal de Santa Maria, 2019-07-26)
The treatment of alkynyl índoles by using iodine with electrophilic source led to 3-iodo-4H-calcogenophene[3,2-b]indoles derivates. Firstly a series of studies were performed variations to obtain the compounds containing ...
Arquiteturas de autoassociação derivadas de piridoxal e dihidrazidas: síntese e avaliações espectroscópicas e teóricas de interação com DNA
(Universidade Federal de Santa Maria, 2019-08-02)
This work is about the synthesis of bis-azomethine ligands of Schiff type derived
from pyridoxal and aliphatic dihydrazides and the subsequent synthesis of complexes
of various transition metals containing such ligands. ...
Desenvolvimento de método para determinação de resíduos de medicamentos veterinários em salmão por UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-02-27)
The aquaculture industry has been growing, developing and highlightning in the last few years. Many
countries and international organizations have invested in developing the activity according to available
resources. ...
Investigação das propriedades fotofísicas de porfirinas meso substituídas com complexos de RuII e estudo da interação com biomoléculas
(Universidade Federal de Santa Maria, 2019-08-05)
The objective of this work was to investigate the photophysical properties of two porphyrins whose syntheses are already reported in the literature: meso-tetra(4-pyridyl)porphyrin tetra-ruthenated free-base (H2RuTPyP) and ...
Determinação multirresíduo de agrotóxicos em noz-pecã empregando método QuEChERS modificado e LC-MS/MS
(Universidade Federal de Santa Maria, 2019-08-09)
Pecan nuts is one of the few native nuts species from the American continent. The area in southern Brazil dedicated to pecan production is directly linked to the favorable climate of this region. Considering the commercialization ...
Determinação de resíduos de agrotóxicos em uva empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2019-02-28)
Grapes, classified as fruits play important role in human diet and nutrition. They are
sources of vitamins, polyphenols, essential amino acids, and a wide range of health
benefits. Grapes are extremely rich in pigments, ...