GHTM

Global Health and Tropical Medicine

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Home / Archives for Ribeiro AR

Biological and molecular characterization of trypanosoma cruzi strains from four states of Brazil

  • Authors: Ribeiro AR, Lima L, De Almeida LA, Monteiro J, Moreno CJG, Nascimento JD, De Araújo RF, Mello F, Martins LPA, Graminha MAS, Teixeira MMG, Silva MS, Steindel M, Da Rosa JA
  • Publication Year: 2018
  • Journal: American Journal of Tropical Medicine and Hygiene
  • Link: http://www.ajtmh.org/content/journals/10.4269/ajtmh.16-0200

Chagas disease affects between six and seven million people. Its etiological agent, Trypanosoma cruzi, is classified into six discrete typing units (DTUs). The biological study of 11 T. cruzi strains presented here included four parameters: growth kinetics, parasitemia curves, rate of macrophage infection, and serology to evaluate IgM, total IgG, IgG1, IgG2a, and IgG3. Sequencing […]
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Microencapsulation of citronella oil for solar-activated controlled release as an insect repellent

  • Authors: Alves GM, Andrade L, Azenha C, Forte M, Marques J, Mendes A, Oliveira C, Parpot P, Pereira AI, Ribeiro AR, Sousa CA, Tavares CJ
  • Publication Year: 2016
  • Journal: Applied Materials
  • Link: https://www.sciencedirect.com/science/article/pii/S235294071630138X

This study investigates the functionalization of titanium dioxide nanoparticles on the surface of polymeric microcapsules as a mean to control the release of encapsulated citronella through solar radiation. This allows for the release of a mosquito repellent without human intervention, as the sunlight works as a release activator. The TiO2 nanoparticles were synthetized using a […]
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About GHTM

GHTM is a R&D Unit that brings together researchers with a track record in Tropical Medicine and International & Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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UID/04413/2025 - DOI: 10.54499/UID/04413/2025

UID/PRR/04413/2025 - DOI: 10.54499/UID/PRR/04413/2025

UID/PRR2/04413/2025 - DOI: 10.54499/UID/PRR2/04413/2025

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