Search Results - "Mahmoud, Doaa A R"

Preparation and characterization of antibacterial P2O5-CaO-Na2O-Ag2O glasses by Ahmed, A. A., Ali, A. A., Mahmoud, Doaa A. R., El-Fiqi, A. M.

“…60P2O5–20CaO–(20 – x) Na2O–xAg2O and 60P2O5–30CaO–(10 – x) Na2O–xAg2O glasses, x = 0, 0.5,1, and 2 mol % were prepared using normal glass melting technique…”
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Production of levansucrase from Bacillus subtilis NRC 33a and enzymic synthesis of levan and Fructo-Oligosaccharides by Abdel-Fattah, Ahmed F, Mahmoud, Doaa A R, Esawy, Mona A T

“…Bacillus subtilis NRC 33a was able to produce both inducible and constitutive extracellular levansucrase, respectively, using sucrose and glucose as carbon…”
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Study on the preparation and properties of silver-doped phosphate antibacterial glasses (Part I) by Ahmed, A.A., Ali, A.A., Mahmoud, Doaa A.R., El-Fiqi, A.M.

“…Silver-doped phosphate antibacterial glasses were prepared by the melting method. The antibacterial effects of some undoped and silver–doped glasses of…”
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Production of 3,4-dihydroxy phenyl-l-alanine (l-DOPA) by Egyptian halophilic black yeast by Mahmoud, Doaa A. R., El Bendary, Magda A.

“…Production of 3,4-dihydroxy phenyl- l -alanine ( l -DOPA) using an Egyptian isolate of halophilic black yeast was studied. Optimum aeration level and…”
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Preparation and characterization of antibacterial P 2 O 5 –CaO–Na 2 O–Ag 2 O glasses by Ahmed, A. A., Ali, A. A., Mahmoud, Doaa A. R., El‐Fiqi, A. M.

“…Abstract 60P 2 O 5 –20CaO–(20 – x) Na 2 O– x Ag 2 O and 60P 2 O 5 –30CaO–(10 – x) Na 2 O– x Ag 2 O glasses, x = 0, 0.5,1, and 2 mol % were prepared using…”
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