Trypanosoma cruzi 12 enzyme inhibition 12 nonhuman 12 sialidase inhibitor Trans-sialidase 10 sialidase 10 Glycoproteins 8 Inhibitors 8 Neuraminidase 8 Structure-Activity Relationship 8 anion exchange chromatography 8 priority journal 8 article 6 controlled study 6 enzyme substrate 6 sialylation 6 Article 4 Enzyme Inhibitors 4 Galactose 4 Galactose oxidase 4 Mammalia 4 Oligosaccharides 4 Sialic Acids 4 Staining and Labeling 4 Tetra 4 alpha-Fetoproteins 4 antagonists and inhibitors 4 carbohydrate analysis 4 chemistry 4 concentration response 4