Wafaa A. Helmy

Antitumor and antioxidant activities of levan and its derivative from the isolate Bacillus subtilis NRC1aza

Aza. M. Abdel-Fattah, Amira M. Gamal‐Eldeen, Wafaa A. Helmy et al. · Carbohydrate Polymers · 2012 · 143 citations

Medicinal Chemistry, Biochemistry, Bioassay-guided Isolation +10

Production of levansucrase from novel honey Bacillus subtilis isolates capable of producing antiviral levans

Mona A. Esawy, Eman F. Ahmed, Wafaa A. Helmy et al. · Carbohydrate Polymers · 2011 · 122 citations

Biomanufacturing, Antiviral Levans, Biotechnology +4

Cancer chemopreventive and anti-inflammatory activities of chemically modified guar gum

Amira M. Gamal‐Eldeen, Hassan Amer, Wafaa A. Helmy · Chemico-Biological Interactions · 2006 · 66 citations · Full text

Scaling up, characterization of levan and its inhibitory role in carcinogenesis initiation stage‘

Mona A. Esawy, Hassan Amer, Amira M. Gamal‐Eldeen et al. · Carbohydrate Polymers · 2013 · 65 citations

Medicine, Cancer Cell Biology, Inhibitory Role +5

Chemically-modified polysaccharide extract derived from Leucaena leucocephala alters Raw 264.7 murine macrophage functions

Amira M. Gamal‐Eldeen, Hassan Amer, Wafaa A. Helmy et al. · International Immunopharmacology · 2007 · 60 citations

Inflammation, Bioassay-guided Isolation, Medicine +7