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Nanoencapsulação de ftalocianina de zinco para o uso em terapia fotodinâmica
(Universidade Federal de Santa Maria, 2015-02-26)
The present work aims to investigate the influence of nanoencapsulation of zinc phthalocyanine photosensitizer (ZnPc) in polymeric nanoparticles for use in photodynamic therapy (PDT). Three formulations of ZnPc loaded ...
Determinação multirresíduo de agrotóxicos por GC-MS/MS em plantas medicinais empregadas na produção de fitoterápicos
(Universidade Federal de Santa Maria, 2018-08-06)
The use of exotic and Brazilian plants as a resource for therapeutic purposes in the prevention and treatment of diseases, have been evaluated as to the possibility of extracting plant active compounds, as well as the ...
Decomposição de amostras de alimentos empregando ácido nítrico diluído e pressurização com diferentes gases em sistema de câmara única de reação assistida por radiação micro-ondas
(Universidade Federal de Santa Maria, 2017-03-23)
In the present work the use of a microwave-assisted wet digestion using a single reaction chamber system (MAD-SRC) at high pressure and temperature was evaluated for digesting food samples. It was evaluated the use of ...
Desenvolvimento de método de preparo de amostras de solução de nutrição enteral mediante sistema de digestão de alta pressão para posterior determinação multielementar
(Universidade Federal de Santa Maria, 2018-03-01)
In this work two methods of sample preparation for the digestion of enteral nutrition solution (SNE) using microwave assisted digestion (MWAD) in a single reaction chamber (SRC) system and subsequent multielement determination ...
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, ...
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. ...
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 ...