Helena K. Toma
Rio De Janeiro, RJ, Brazil
Last Updated: 09/26/2026
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Found 26 publications
Standardized RNA extraction protocol for Entamoeba species: advancing molecular diagnostics and amebiasis control.
Journal: Frontiers in cellular and infection microbiology
Published: January 27, 2026
Thermoresponsive Hydrogel Containing Viscum album Extract for Topic and Transdermal Use: Development, Stability and Cytotoxicity Activity.
Journal: Pharmaceutics
Published: November 25, 2021
Development of purified cashew gum mucoadhesive buccal tablets containing nystatin for treatment of oral candidiasis.
Journal: Drug development and industrial pharmacy
Published: May 25, 2021
The connection between Trypanosoma cruzi transmission cycles by Triatoma brasiliensis brasiliensis: A threat to human health in an area susceptible to desertification in the Seridó, Rio Grande do Norte, Brazil.
Journal: PLoS neglected tropical diseases
Published: March 27, 2021
Natural Infection and Vertical Transmission of Zika Virus in Sylvatic Mosquitoes Aedes albopictus and Haemagogus leucocelaenus from Rio de Janeiro, Brazil.
Journal: Tropical medicine and infectious disease
Published: February 24, 2021
Changes in workflow to a University Pharmacy to facilitate compounding and distribution of antiseptics for use against COVID-19.
Journal: Research in social & administrative pharmacy : RSAP
Published: September 27, 2020
Wound healing cream formulated with Kalanchoe pinnata major flavonoid is as effective as the aqueous leaf extract cream in a rat model of excisional wound.
Journal: Natural product research
Published: September 14, 2020
Biological and Genetic Heterogeneity in Trypanosoma dionisii Isolates from Hematophagous and Insectivorous Bats.
Journal: Pathogens (Basel, Switzerland)
Published: July 31, 2020
Rickettsial pathogens circulating in urban districts of Rio de Janeiro, without report of human Brazilian Spotted Fever.
Journal: Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria
Published: June 16, 2020
Expression and antigenic analysis of the recombinant TRP36 protein from Ehrlichia canis São Paulo strain for serologic tests.
Journal: Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria
Published: March 16, 2020
Spotted fever group rickettsial infection in dogs and their ticks from domestic-wildlife interface areas in southeastern Brazil.
Journal: Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria
Published: October 30, 2019
Multiple Approaches to Address Potential Risk Factors of Chagas Disease Transmission in Northeastern Brazil.
Journal: The American journal of tropical medicine and hygiene
Published: February 09, 2019
Last Updated: 09/26/2026