Publications

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1988
Zedan, H. H., "A Network of Microbiological Resources Centres for Environmental Management and Increased Bioproductivity in Developing Countries", "Perspectives in Environmental Botany vol. II", D.N. Rao, K.J.Ahmad, M. Yunus. S.N. Singa, India, 1988.
Zedan, H. H., and R.Olembo, "Promotion of Applied Environmental Microbiology in Developing Countries.", `Recent Advances in Biotechnology and Applied Biology', S. Chang and N. Woo (eds.), pp. 75-88, Bejing, Chinese Academy, 1988.
1983
Zedan, H., O. M. El-Tayeb, and M. N. Walash, "Microbial transformation of lucanthone by growing cultures, washed mycelia and non-germinating spores of fungi from Aspergillus group. ", J. Gen. Microbiol. , vol. 129, pp. 1035-1044, 1983.
Zedan, H. H., M. Salama, and W. M. Abdel-Rahman, "Relationship between antimicrobial activity of nonabsorbable antibiotics and their in vitro absorption to some pharmaceutical materials", Egypt. J. Pharm. Sci. , vol. 24, pp. 131-137, 1983.
1982
Zedan, H. H., and F. M. Serry, "Antimicrobial effectiveness of some preservatives in certain eye and nasal drops. ", Egypt. J. Pharm. Sci. , vol. 23, pp. 66-76, 1982.
Zedan, H. H., and F. M. Serry, "In vitro resistance of microbial contaminants recovered from non-sterile pharmaceuticals and their manufacturing areas", Egypt. J. Pharm. Sci. , vol. 23, pp. 33-44, 1982.
Zedan, H. H., and F. M. Serry, "Metabolism of esters of p-hydroxybenzoic acid by a strain of Pseudomonas aeruginosa.", Egypt. J. Pharm. Sci. , vol. 20, pp. 77-86, 1982.
Zedan, H. H., O. M. El-Tayeb, and F. F. El-Banna, "Microbiological transformations of steroids. VII. Aromatization of 19-nor and 19-hydroxy steroids by washed microbial cells", Bull. Fac. Pharm. Cairo Univ. , vol. 19, pp. 110-117, 1982.
1980
Zedan, H. H., O. M. El-Tayeb, and M. A. Amin, "A feasibility study of the production of 6-aminopenicillanic acid from benzylpenicillin by a local Streptomyces sp. ", Sixth International Fermentation Symposium, London, Ontario, Canada, 12 August 280, 1980.
Foda, M. S., H. H. Zedan, and S. A. Hashem, "Characterization of novel L-asparaginase produced by Rhodotorularubra. ", Rev. Lat. Amer. Microbiol. , vol. 22, pp. 87-95, 1980.
Foda, M. S., H. H. Zedan, and S. A. Hashem, "Formation and properties of L-glutaminase and L-asparaginase activities in Pichia polymorpha. ", Acta Microbiol. Polon., vol. 2, issue 4, pp. 343-352, 1980.
Zedan, H. H., O. M. El-Tayeb, and A. A. Hashem, "Isolation and identification of dextran producing microorganisms from Egyptian sugar factories. ", Egypt. J. Microbiol. , vol. 18, pp. 191-204., 1980.
Khatibi, A., H.H.Zedan, A. A. Salama, and O. M. El-Tayeb, "Microbial contamination of non sterile raw materials. I. General Survey. ", IVth. Conf. Microbiol., Cairo : Egyptian Sciety of Microbiology, pp. Vol. 1: Soil, Food and Industrial Microbiology, 411-442, 1980.
Khatibi, A., H. H. Zedan, A. A. Salama, and E. O. M. Tayeb, "Microbial contamination of non sterile raw materials. III. Contamination with aflatoxin producing fungi", IVth Conf. Microbiol., Cairo : Egyptian Society of Microbioogy, pp. Vol. I: Soil, Food and Industrial Microbiol., pp. 443-449, 1980.
Foda, M. S., S. A. Hashem, and H. Zedan, "Physiology and kinetics of a new L-asparaginase from Arthrobactercitreus. ", Acta Biologica Iugoslavica (Microbiol.) , vol. 17, pp. 103-119., 1980.
Zedan, H. H., O. M. El-Tayeb, and A. A. Hashem, "A quantitative study of the production of dextran from sucrose by a freshly isolated strain of L. mesenteroides", Egypt. J. Microbiol. : ., vol. 18, pp. 205-217, 1980.
Zedan, H. H., O. M. El-Tayeb, and M. A. Amin, "Transformation of various penicillins by washed cells and nongerminating spores of freshly isolated microbial strains", Sixth International Fermentation Symposium, London, Ontario, Canada.: Waterloo Univ., 1980.
1979
Hilal, S. H., H. H. Zedan, M. Y. Haggag, F. M. Soliman, and S. A. El-Kashoury, "The antimicrobial and anticancer activity of Paganumharmala L. ", Egypt. J. Pharm. Sci. , vol. 20, pp. 193-197, 1979.
Karawya, M. S., M. El-Marzabani, H. H. Zedan, F. M. Soliman, and E. A. Moustafa, "Phytochemical, antimicrobial, and anticancer screening of Ocimum basilicum, O canum, and O .rubrum", Egypt. J. Pharm. Sci. , vol. 20, pp. 213-219, 1979.
Ghalia, M. H., E. M. Salem, S. Shoeb, and H. H. Zedan, "Synthesis of N-nicotinyl amino acid derivatives with high antitubercular activity. ", Polish J. Chem. , vol. 53, pp. 2239-2250., 1979.
1978
Abd El-Gawad, A. M., and H. H. Zedan, "Factors affecting the penicillin acylase activity of the mycelium of a local Streptomyces sp. ", Ind. Ferment. Symp.: Reg. Res. Lab. (CSIR), Jammu Tawi, India, pp. 49-59, 1978.
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