167 resultados para isótopos estáveis Ficus carica L.


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Zootecnia - FMVZ

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Pós-graduação em Ciências Bio³gicas (Zoologia) - IBRC

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Conselho Nacional de Desenvolvimento Científico e Tecno³gico (CNPq)

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After the isolation of Helicobacter pylori from an injury at the stomach mucosa by Marshall and Wareen, work that was recognized with the Nobel Prize of Medicine or Physiology in 2005, many other works showed the relationship between the presence of H. pylori and diseases at the digestive system, such as gastritis, gastric, duodenal and peptic ulcer, and stomach cancer. The 13C-Urea Breath Test - 13C-UBT is a non-invasive diagnostic method that utilizes the breath of a patient to determine the presence of H. pylori through stable isotopes. This work aimed to find an ideal 13C-UBT Isotopic Ratio Mass Spectroscopy cut-off value (a threshold between positive and negative) to diagnose H. pylori infection at Brazilian population. Patients were selected at the UNESP-Botucatu Clinical Hospital Endoscopy Section. With these results it was possible to indicate that the best cut-off value is between 2.5 to 6 ‰ of Delta Over Baseline (DOB)

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The use of stable isotopes in Brazil is being improved, mainly through research conducted at main universities in the country. Some applications in health allow to studying, for example, processes involving synthesis and protein degradation, energy expenditure, body composition, kinetics of vitamins, mineral absorption and diagnose diseases related to Helicobacter pylori. The big motivation is to encourage the growth of investments in health in the few centers that have mass spectrometers in Brazil, as the technique is harmless to humans, in other words, no has problems to use it like when you use radioactive isotopes