Produção acadêmica e científica: Recent submissions
Now showing items 1361-1380 of 4081
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Mice that are fed a high-fat diet display increased hepcidin expression in adipose tissue
(Center for Academic Publications Japan, 2013)Since the discovery that hepcidin is expressed in the adipose tissue of obese subjects, attention has been increasingly focused on alterations in iron homeostasis that are associated with adiposity. We examined the production ... -
Effects of methotrexate on inflammatory alterations induced by obesity: An in vivo and in vitro study
(Elsevier BV, 2012)Immunosuppressant drugs, such as methotrexate, are able to inhibit cytokine production and leukocyte migration to inflammatory foci; therefore, they could modify the establishment of inflammation in adipose tissue during ... -
Participation of leptin in the determination of the macrophage phenotype: an additional role in adipocyte and macrophage crosstalk
(Springer Science and Business Media LLC, 2013)Macrophages develop into specialized cell types with special functional properties, depending on locally produced stimuli. Adipose tissue macrophages present particular characteristics, such as the M2 cell phenotype, and ... -
Effects of iron supplementation in mice with hypoferremia induced by obesity
(Frontiers Media SA, 2016)Iron is an important micronutrient, but it can also act as a dangerous element by interfering with glucose homeostasis and inflammation, two features that are already disturbed in obese subjects. In this work, we study the ... -
Modulatory effects of guarana (Paullinia cupana) on adipogenesis
(MDPI AG, 2017)Guarana (Paullinia cupana) is a plant originated in Brazil that presents a beneficial effect on body weight control and metabolic alterations. The aim of this study was to evaluate the effects of guarana on genes and miRNAs ... -
Evaluation of structured lipids with behenic acid in the prevention of obesity
(Elsevier BV, 2017)Obesity affects all social classes, making it necessary to develop effective products that aid weight loss or help prevent weight gain. The objective of this work was to study the anti-obesity effects of structured lipids ... -
Effects of Yerba maté, a plant extract formulation (“YGD”) and resveratrol in 3T3-L1 adipogenesis
(MDPI AG, 2014)We aimed to evaluate the in vitro effects of yerba maté, YGD (a herbal preparation containing yerba maté, guarana and damiana), and resveratrol on adipogenesis. The anti-adipogenic effects of yerba mate, YGD, resveratrol ... -
The positive effects of yerba maté (Ilex paraguariensis) in obesity
(MDPI AG, 2015)The prevalence of obesity has increased worldwide over the past three decades. Global anti-obesity strategies focus on dietary and lifestyle modifications to slow the development of obesity. Research in the nutrition field ... -
Thalidomide controls adipose tissue inflammation associated with high- fat diet-induced obesity in mice
(Bentham Science Publishers Ltd., 2015)Introduction: Immunosuppressant agents modulate the activity of the immune system and control adipose tissue inflammatory responses associated with obesity. Controlling adipose tissue inflammation represents an interesting ... -
Biotransformed citrus extract as a source of anti-inflammatory polyphenols: Effects in macrophages and adipocytes
(Elsevier BV, 2017)Chronic non-communicable diseases such as obesity are preceded by increased macrophage infiltration in adipose tissue and greater secretion of pro-inflammatory cytokines. We evaluated the anti-inflammatory potential of ... -
Molar ratio iron: zinc and folic acid in Brazilian biscuits and snacks and test for classification using principal component analyses
(Archivos Latinoamericanos de Nutrición, 2014-02-24)The aim of the present work was to evaluate molar ratio iron:zinc and the levels of folic acid in biscuit and snacks commercialized in Brazil, prepared with folic acid and iron fortified flours. These nutrients are important ... -
Removal of p-cresol using wash waters from lipopeptide production
This work shows the efficiency of wash waters from lipopeptide production as a remediation strategy to treat urban water samples contaminated with p-cresol. The harvesting step in surfactin production involved a centrifugation ... -
A zucchini-peroxidase biosensor for the determination of degradation products from biodiesel
The performance of a biosensor based on a peroxidase derived from zucchini extract immobilized in a carbon paste electrode is described for the detection of undesired degradation products, thus hydrogen peroxide, in biodiesel ... -
Quantification of Lactobacillus in fermented milk by multivariate image analysis and least squares support vector machines. Analytical and bioanalytical chemistry
This paper reports an approach for quantification of Lactobacillus in fermented milk, grown in a selective medium (MRS agar), by use of digital colour images of Petri plates easily obtained by use of a flatbed scanner. A ... -
Multivariate quality control of lubricating oils using Fourier transform infrared spectroscopy
Multivariate quality control in conjunction with Fourier transform infrared Spectroscopy (FTIR) were used to qualitatively detect the class and the condition of lubricating oils. The multivariate approach was based on ... -
Aplicação de planejamento de experimentos para a otimização da extração em ponto de nuvem para determinação de metais em maquiagem de olho
O planejamento de experimentos é uma ferramenta quimiométrica importante para uma otimização sistemática, permitindo estudar todas as variáveis simultaneamente, reduzindo o número de ensaios, o tempo, reagentes e a geração ... -
Determination of free glycerol in biodiesel using UV-visible spectroscopy: a validation study
High glycerol content in biodiesel impairs engine performance. Brazilian legislation, (ANP Resolution 45/2014), limits the maximum of 0.02 % w/w for free glycerol in biodiesel. The ASTM D6584 standard method for glycerol ... -
Residual biomass from surfactin production is a source of arginase and adsorbed surfactin that is useful for environmental remediation
Lipopeptides are important secondary metabolites produced by microbes. They find applications in environmental decontamination and in the chemical, pharmaceutical and food industries. However, their production is expensive. ... -
Determination of viscosity and solids in pressure-sensitive adhesives by FTIR-ATR and multivariate calibration
This paper presents the application of infrared spectroscopy in conjunction with chemometric methods for quality control in adhesive manufacturing. From 105 infrared spectra of pressuresensitive adhesive samples of different ... -
Determination of chlorophenol in environmental samples using a voltammetric biosensor based on hybrid nanocomposite
In this work, a simple electrochemical biosensor for 4-chlorophenol was developed based on laccase immobilized on a hybrid nanocomposite (ZnO nanoparticles/chitosan), and incorporated in a carbon paste electrode. There are ...