Personal Information

  • Position : Professor Emeritus
  • Department : Botany
  • Specification :
  • Work Phone : 2403866/057
  • Email : mahnordin@du.edu.eg

E-Courses

Researches

  • 1 - Research Title:
  • Book Of Abstract
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  • 2 - Research Title:
  • Purification and General Properties of Uricase from Streptomyces aureomonopodiales
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  • 3 - Research Title:
  • Some Factors Affecting Uricase Production by Bacillus megaterium and Streptomyces aureomonopodiales
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  • 4 - Research Title:
  • Distribution and Abundance of Uricase-Producing Bacteria in Damietta Soils
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  • 5 - Research Title:
  • Purification and Characterization of Xylanase from a Thermophilic Streptomyces sp. K37
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  • 6 - Research Title:
  • Effect of some culture conditions on phytase biosynthesis by Aspergillus flavipes and Macrophomina phaseolina
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  • 7 - Research Title:
  • Enhancement of phytase production by the use of sea water and metal ions media
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  • 8 - Research Title:
  • Purification and general properties of extracellular phytase from Aspergillus flavipes
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  • 9 - Research Title:
  • Purification and some characteristics of ?-glucosidase from Aspergillus sydowii
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  • 10 - Research Title:
  • Occurrence and diversity of mycobiota in heavy metal contaminated sediments of Mediterranean coastal lagoon
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  • 11 - Research Title:
  • Optimization of xylanase and peroxidase production from Streptomyces sp. K37
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  • 12 - Research Title:
  • Mucor racemosus as a biosorbent of metal ions from polluted water in Northern Delta of Egypt
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  • 13 - Research Title:
  • Exopolysaccharides production by Pleurotus pulmonarius Factors affecting formation and their structures
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  • 14 - Research Title:
  • Increase productivity of two oyster mushrooms by using wheat and rice straw mixed with some agriwastes
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  • 15 - Research Title:
  • Purification and characterization of chitinase from Cunninghamella echinulata
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  • 16 - Research Title:
  • Possible involvement of superoxide dismutase in the antitumor effects of polysaccharides extracted from Pleurotus pulmonarius
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  • 17 - Research Title:
  • Studies on some requirement for vegetative growth of two Pleurotus Spp.
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  • 18 - Research Title:
  • Improvement of chitinase production from Cunninghamella echinulata by some nutritive additives
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  • 19 - Research Title:
  • Cellulolytic enzyme activity of two Pleurotus Species on different wastes
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  • 20 - Research Title:
  • Production of extracellular inulinase in submerged culture of Alternaria alternata (Fr.) Keissler
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  • 21 - Research Title:
  • Optimization of culture conditions for the production of intracellular uricase by Aspergillus sydowii (Bainier& Sartory) Thom& Church
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  • 22 - Research Title:
  • Production of exopolysaccharides by ethanol-utilizing strain of Fusarium accuminatum, ELL& EVE.
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  • 23 - Research Title:
  • Regulation of chitinase production in Cunninghamella echinulata
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  • 24 - Research Title:
  • Role of lipids in ethanol tolerance of Candida lambica
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  • 25 - Research Title:
  • Screening of some fungi for uricolytic activity
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  • 26 - Research Title:
  • Lytic activity of enzyme preparation from Aspergillus carbonarius
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  • 27 - Research Title:
  • Purification and general properties of xylanase from Aspergillus terreus
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  • 28 - Research Title:
  • Isolation and enzymatic properties of pectic enzyme from Fusarium accuminatum
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  • 29 - Research Title:
  • Bioconversion of acid hydrolysate of rice straw to lipids by Aspergillus terreus
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  • 30 - Research Title:
  • Production of protein by Fusarium accuminatum grown on acid hydrolysate of bean pods
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  • 31 - Research Title:
  • Effect of alkali pretreatment on degradation of some cellulosic wastes by Aspergillussydowii
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  • 32 - Research Title:
  • Improvement of the biodegradation of some cellulosic wastes by acid pretreatment
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  • 33 - Research Title:
  • Biodegradation of some cellulosic wastes by acid pretreatment
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  • 34 - Research Title:
  • Growth and enzyme activities of Aspergillus sydowii grown on alkali pretreated sawdust as influenced by some culture conditions.
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  • 35 - Research Title:
  • Isolation and characterization of intracellular phytase from Macrophomina phaseolina
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  1. Exopolysaccharides production by Pleurotus pulmonarius: Factors affecting formation and their structures
  2. Extracellular biosynthesis, optimization, characterization and antimicrobial potential of Escherichia coli D8 silver nanoparticles
  3. Purification and characterization of xylanase from a thermophilic Streptomyces sp. K37
  4. Occurrence and diversity of mycobiota in heavy metal contaminated sediments of Mediterranean coastal lagoon El-Manzala, Egypt.
  5. Optimization of xylanase and peroxidase production from Streptomyces sp. K37.
  6. Mucor racemosus as a biosorbent of metal ions from polluted water in Northern Delta of Egypt
  7. Purification and general properties of xylanase from Aspergillus terreus
  8. Screening of some fungi for uricolytic activity
  9. Purification and general properties of extracellular phytase from Aspergillus flavipes
  10. Isolation and characterization of intracellular phytase from Macrophomina phaseolina
  11. Studies on the requirements for vegetative growth of two Pleurotus spp
  12. Improvement of the biodegradation of some cellulosic wastes by acid pretreatment.
  13. Substrate–fungus interaction on the enzymatic and non-enzymatic antioxidant activities of solid state fermentation system
  14. Purification and general properties of uricase from Streptomyces aureomonopodials
  15. Effect of Biologically treated wheat straw with White-Rot fungi on performance, digestibility and oxidative status of rabbits
  16. Isolation and survey of L-asparaginase producing bacteria from soil
  17. Effect of the taxonomic group of fungi and type of substrate on the antioxidant activity of a solid-state fermentation system
  18. Role of lipids in ethanol tolerance of Candida lambica.
  19. Antimicrobial Activities of Ganoderma mbrekobenum Strain EGDA (Agaricomycetes) from Egypt
  20. Optimizing the Antioxidant Activity of Solid State Fermentation Systems with Pleurotus floridanus and Paecilomyces variotii on Rice Straw
  21. Effect of alkali pretreatment on degradation of some cellulosic wastes by Aspergillus sydowii
  22. Biodegradation of some cellulosic wastes by acid pretreatment.
  23. Growth and enzyme activities of Aspergillus sydowii grown on alkali pretreated sawdust as influenced by some culture conditions.
  24. ENHANCEMENT OF PHYTASE PRODUCTION BY THE USE OF SEA-WATER AND METAL-IONS MEDIA
  25. Effect of some culture conditions on phytase biosynthesis by Aspergillus flavipes and Macrophonia phaseolina
  26. Production and Optimization of Gelatinase Producing Lentzea sp. Strain Isolated from the Soil Rhizosphere
  27. Biosynthesis and characterization of silver nanoparticles using Agrocybe cylindracea, and their antibacterial activity.
  28. Lytic activity of enzyme preparation from Aspergillus carbonarius.
  29. Purification and immobilization of L-asparaginase from Citrobacter freundii EGY-NE1
  30. Effect of biologically treated wheat straw with white-rot fungi on performance, nutrient digestibility and some blood plasma constituents of growing rabbits.
  31. Screening and Identification of some APPL (Acid Precipitable Polymeric Lignin) Producing Streptomycetes
  32. Isolation and survey of L-asparaginase producing bacteria from soil
  33. Escherichia coli D8 silver nanoparticles and their antibacterial activity against methicillin-resistant Staphylococcus aureus cus aureus.
  34. Biosynthesis of silver nanoparticles by Enterobacter sp. and their antifungal activity against the phytopathogenic fungus Fusarium oxysporum f. sp. Lycopersici
  35. In vitro, evaluation of plant extracts of some medicinal plants against Fusarium oxysporum f. sp. lycopersici
  36. Mycoremediation of Plastic Wastes is our Challenge for the Next Decade
  37. Increase productivity of two oyster mushrooms by using wheat and rice straw
  38. Purification and characterization of chitinase from Cunninghamella echinulata.
  39. Possible Involvement of Superoxide Dismutase in the Antitumor Effects of Polysaccharide Extracted From Pleurotus pulmonarius
  40. Cellulolytic enzyme activity of two Pleurotus species grown on different agricultural wastes.
  41. Improvement of chitinase production from Cunninghamella echinulata by some nutritive additives.
  42. Cellulolytic enzyme activity of two Pleurotus species grown in different agricultural wastes.
  43. Production of extracellular inulinase in submerged culture of Alternaria alternata (FR.) Keissler. AZ. J. Microbiol
  44. Distribution and abundance of uricase-producing bacteria in Damietta soils [Egypt]
  45. Optimization of culture conditions for the production of intracellular uricase by Aspergillus sydowii (Bainier&Sartory) Thom&Church
  46. Production of exopolysaccharide by ethanol-utilizing strain of Fusarium accuminatum, Ell. & Eve.
  47. Some factors affecting uricase production by Streptomyces
  48. Regulation of chitinase production by Cunninghamella echinulata
  49. Production of Exopolysaccharide by an Ethanol-Utilizing Strain of Fusarium Accuminatum
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  51. Lytic Activity of Enzyme Preparation from Aspergillus carbonarius
  52. Production of protein by Fusarium accuminatum grown on acid hydrolysate of bean pods
  53. Purification and some characteristics of β-glucosidase from Aspergillus sydowii
  54. Isolation and enzymatic properties of pectic enzyme from Fusarium accuminatum
  55. Bioconversion of acid hydrolysate of rice straw to lipids by Aspergillus terreus
  56. REGULAR ARTICLE EXTRACELLULAR BIOSYNTHESIS, OPTIMIZATION, CHARACTERIZATION AND ANTIMICROBIAL POTENTIAL OF ESCHERICHIA COLI D8 SILVER NANOPARTICLES
  57. Fifth Egyptian Botanical Conference Saint Catherine, Sinai, Egypt. April 28-30, 1992.
  58. Anti-Aspergillus niger biosynthesized silver nanoparticles by Leclercia adecarboxylata EGD11