Leandro Alves Pereira

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This work evaluates cocaine purity and the concentration ranges of adulterants and inorganic constituents for 31 street cocaine samples seized in two different regions of Brazil from July 2008 to May 2010. Cocaine and adulterants, such as caffeine, lidocaine and benzocaine, were quantified by Gas chromatography-mass spectrometry (GC-MS), and the inorganic(More)
This article seeks to identify the association between nutritional status and functional dependence in institutionalized elderly interns in Uberlândia, Minas Gerais. It involved a cross-sectional study with 233 elderly interns in which sociodemographic variables, nutritional status and degree of dependency were assessed. Multivariate analysis was performed(More)
OBJECTIVE To evaluate liver regeneration modulated by ischemic preconditioning after ischemia, reperfusion and partial hepatectomy. METHODS We used 24 Wistar rats of 12 weeks of age, which were randomly assigned into four groups: control (SHAM), hepatectomy (HEP), ischemia and reperfusion (IRG) and Ischemic Preconditioning (SRG). Analyses were made on(More)
Calibration transfer is commonly used for spectra obtained in different spectrometers or other conditions. This paper proposed the use of calibration transfer between spectra recorded for the same samples in different physical forms. A new method was developed for the direct determination of nevirapine in solid pharmaceutical formulations based on diffuse(More)
OBJECTIVE To evaluate the knowledge of public day care centers employees about breastfeeding and complementary feeding. METHODS A cross-sectional study was conducted in 15 public day care centers randomly selected in the city of Uberlandia, Southeast Brazil. A questionnaire applied to school principals, teachers, educators and general services assistants(More)
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