R. S. Freitas

Effect of an extract of cauliflower (leaf) on the labeling of blood elements with technetium-99m and on the survival of Escherichia coli AB1157 submitted to the treatment with stannous chloride

E.A.C. Lima ., G. Diré, D. M. M. Mattos et al. · Food and Chemical Toxicology · 2002 · 33 citations

Agriculture, Microbiology, Toxicology +6

Protection of plasmid DNA by a Ginkgo biloba extract from the effects of stannous chloride and the action on the labeling of blood elements with technetium-99m

Silvana Ramos Farías Moreno, R. S. Freitas, Emely Kazan Rocha et al. · Brazilian Journal of Medical and Biological Research · 2004 · 30 citations · Full text

Medicine, Nuclear Medicine, Pharmacology +6

Effect of Ginkgo biloba on the labeling of blood elements with technetium-99m: in vitro study

Silvana Ramos Farías Moreno, Gláucio Diré Feliciano, R. S. Freitas et al. · Revista Brasileira de Farmacognosia · 2002 · 19 citations · Full text

Medicine, Nuclear Medicine, Pharmacology +14

A model to evaluate the biological effect of natural products: vincristine action on the biodistribution of radiopharmaceuticals in balb/c female mice

D. M. M. Mattos, M. L. Gomes, R. S. Freitas et al. · Journal of Applied Toxicology · 1999 · 18 citations

Medicine, Nuclear Medicine, Pharmacology +17

Effect of a commercial extract of Paullinia cupana (guarana) on the binding of 99mTc-DMSA on blood constituents: An in vivo study

R. S. Freitas, Silvana Ramos Farías Moreno, G.L. Lima-Filho et al. · Applied Radiation and Isotopes · 2007 · 18 citations

Medicine, Pharmacology, Toxicology +7