Buscar
Itens para a visualização no momento 1-10 of 27
Investigação da presença e migração de metais presentes em estabilizantes e catalisadores em embalagens plásticas
(Universidade Federal de Santa Maria, 2015-03-16)
The polyvinyl chloride (PVC) and polyethylene terephthalate (PET) polymers are widely used throughout the world. Different types of compounds are used in the polymer synthesis and to improve their properties. In the case ...
Desenvolvimento de nanocápsulas para a liberação controlada de crisina: avaliação da atividade antioxidante e da citotoxicidade in vitro
(Universidade Federal de Santa Maria, 2015-09-25)
Chrysin (5,7-dihydroxyflavone) is a flavonoid (class of flavones), which presents antioxidant and antitumoral activities. However, it has low solubility and hence its bioavailability in the body is low, limiting its ...
Hemoculturas positivas de pacientes atendidos em um hospital escola
(Universidade Federal de Santa Maria, 2015-02-26)
Nosocomial infections are a serious public health problem. In recent years, bloodstream infections (BSI) has increased significantly in hospitals, accounting for high morbidity and mortality rates. These, mostly are caused ...
Avaliação da atividade antibacteriana, citotóxica e nuclease química de complexos triazenidos de platina (II)
(Universidade Federal de Santa Maria, 2015-04-30)
Despite the large number of antimicrobials and anti-tumor drugs, therapeutic arsenal is limited due to the emergence of bacterial resistance mechanisms and refractoriness, besides the toxicity of certain drugs. This has ...
Avaliação de potência de toxina botulínica tipo a por ensaios biológicos e método por cromatografia líquida em fase reversa
(Universidade Federal de Santa Maria, 2015-02-26)
Botulinum toxin type A (BTTA) is a polypeptide with 1296 amino acids and its used in some pathologies like hyperhidrosis and migraine, but the cosmetic area is the most important application. BTTA is produced from broth-culture ...
Avaliação do fibrinogênio como uma nova fonte para a formação in vitro de produtos proteicos de oxidação avançada
(Universidade Federal de Santa Maria, 2015-07-08)
Oxidative stress is characterized by an imbalance between the production of free radicals, particularly reactive oxygen species (ROS), and the defense capacity of the organism against these species, leading to a progressive ...
Análise de estimulantes em suplementos alimentares e produtos naturais a base de plantas comercializados para fins de emagrecimento no Brasil
(Universidade Federal de Santa Maria, 2015-02-27)
The strong advertising appeal, the search for a good physique, and the improvement in
physical performance, has risen the popularity of food supplements and other therapies with
slimming supplements based on plant extracts. ...
Estudo fitoquímico e de toxicidade (aguda e subaguda) de Celtis iguanaea (Jacq.) Sarg. em ratos Wistar
(Universidade Federal de Santa Maria, 2015-03-27)
The Celtis iguanaea species is popularly known as esporão-de-galo and its leaves are used in folk medicine to treat body aches, rheumatism, asthma, colic, indigestion, ulcers, and as a diuretic, and roots for urinary ...
Desenvolvimento e validação de método por cromatografia líquida em fase reversa para análise de rivaroxabana
(Universidade Federal de Santa Maria, 2015-02-27)
Rivaroxaban is an oral anticoagulant drug indicated for deep venous thromboembolism prophylaxis. A reversed-phase liquid chromatography (RP-LC) method was developed and validated for the determination of rivaroxaban in ...
Ebastina: obtenção de novas formas cristalinas e caracterização no estado sólido
(Universidade Federal de Santa Maria, 2015-12-04)
Ebastine (EBA) is a second-generation antihistamine with poor water solubility. It is used in the treatment of allergic rhinitis and chronic idiopathic urticaria. For oral administration of drugs, there is a preference for ...