Dr. Hussein Osman Ammar
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Dr. Hussein Osman Ammar

Chairman, Professor
Future University, Egypt

Highest Degree
Ph.D. in Pharmaceutical Sciences from Cairo University, Egypt

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Area of Interest:

Pharmacology and Toxicology
100%
Pharmaceutical Chemistry
62%
Clinical Pharmacy
90%
Drug Delivery
75%
Medicine
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Ammar, H.O., M.M. Ghorab, A.A. Mahmoud and H.I. Shahin, 2017. Design and in vitro/in vivo evaluation of ultra-thin mucoadhesive buccal film containing fluticasone propionate. AAPS PharmSciTech, 18: 93-103.
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  2. Ammar, H.O., M. Haider, M. Ibrahim and N.M. El Hoffy, 2017. In vitro and in vivo investigation for optimization of niosomal ability for sustainment and bioavailability enhancement of diltiazem after nasal administration. Drug Deliv., 24: 414-421.
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  3. Abdel-Salam, F.S., H.O. Ammar, S.A. Elkheshen and A.A. Mahmoud, 2017. Anti-inflammatory sunscreen nanostructured lipid carrier formulations. J. Drug Deliv. Sci. Technol., 37: 13-19.
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  4. Abdel-Salam, F.S., A.A. Mahmoud, H.O. Ammar and S.A. Elkheshen, 2017. Nanostructured lipid carriers as semisolid topical delivery formulations for diflucortolone valerate. J. Liposome Res., 27: 41-55.
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  5. Ammar, H.O., M.M. Ghorab, L.A. Felton, S. Gad and A.A. Fouly, 2016. Effect of antiadherents on the physical and drug release properties of acrylic polymeric films. AAPS PharmSciTech, 17: 682-692.
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  6. Ammar, H.O., M.M. Ghorab, D.M. Mostafa and E.S. Ibrahim, 2016. Folic acid loaded lipid nanocarriers with promoted skin antiaging and antioxidant efficacy. J. Drug Deliv. Sci. Technol., 31: 72-82.
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  7. Ammar, H.O., M.M. Ghorab, A.A. Mahmoud and S.H. Noshi, 2016. Formulation of risperidone in floating microparticles to alleviate its extrapyramidal side effects. Future J. Pharmaceut. Sci., 2: 43-59.
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  8. Ammar, H.O., M.M. Ghorab, A.A. Mahmoud and I.M. Higazy, 2016. Preformulation studies intended for targeted lamotrigine polymeric nanosuspension. Int. J. Res. Pharm. Pharmaceut. Sci., 1: 38-45.
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  9. Ammar, H.O., M.A. Nahdy, T.S. Makram and S. Mosallam, 2016. Effect of the hydrophobic nature of triacetyl β-cyclodextrin on the dissolution properties of fenoprofen calcium dehydrate prepared by kneading and co-evaporating methods. Eur. J. Biomed. Pharmaceut. Sci., 3: 127-130.
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  10. Ammar, H.O., M. Ibrahim, A. Mahmoud, R. Shamma and N. El Hoffy, 2016. Preparation and characterization of a novel injectable vesicles. Curr. Sci. Int., 5: 231-235.
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  11. Ammar, H.O., M. Ghorab, R. Kamel and A.H. Salama, 2016. Design and optimization of gastro-retentive microballoons for enhanced bioavailability of cinnarizine. Drug Deliv. Transl. Res., 6: 210-224.
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  12. Ammar, H.O., M. Ghorab, R. Kamel and A.H. Salama, 2016. A trial for the design and optimization of pH-sensitive microparticles for intestinal delivery of cinnarizine. Drug Deliv. Transl. Res., 6: 195-209.
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  13. Ammar, H.O., D.M. Daoud, A.O. Kamel and G.A.S. Awad, 2016. Preparation and characterization of solid lipid nanoparticles for targeting. Inventi Rapid: Pharm. Tech., (In Press). .
  14. Abdel-Salam, F.S., S.A. Elkheshen, A.A. Mahmoud and H.O. Ammar, 2016. Diflucortolone valerate loaded solid lipid nanoparticles as a semisolid topical delivery system. Bull. Fac. Pharm. Cairo Univ., 54: 1-7.
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  15. Ammar, H.O., M. Ghorab, A.A. Mahmoud and S.H. Noshi, 2015. Development and evaluation of floating gastroretentive microspheres for modified release of risperidone. Inventi. Rapid.: Pharm. Tech., 3: 1-5.
  16. Ammar, H.O., M. Ghorab, D.M. Mostafa and A.M. Ghoneim, 2014. Self-nanoemulsifying drug delivery system for sertraline hydrochloride: Design, preparation and characterization. Int. J. Pharm. Pharmaceut. Sci., 6: 589-595.
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  17. Ammar, H.O., G.S. El-Feky, A.M. Ali and R.A. Dawood, 2014. Enhancement of oral bioavailability of repaglinide by self-nanoemulsifying drug delivery system. Int. J. Pharm. Pharmaceut. Sci., 6: 603-606.
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  18. Ammar, H.O., M. Ghorab, D.M. Mostafa, T.S. Makram and R.M. Ali, 2013. Host-guest system of etodolac in native and modified β-cyclodextrins: Preparation and physicochemical characterization. J. Incl. Phenom. Macrocycl. Chem., 77: 121-134.
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  19. Ammar, H.O., M. Ghorab, A.A. Mahmoud, T.S. Makram and A.M. Ghoneim, 2013. Rapid pain relief using transdermal film forming polymeric solution of ketorolac. Pharmaceut. Dev. Technol., 18: 1005-1016.
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  20. Ammar, H.O., S.Y. Al-Okbi, D.M. Mostafa and A.M. Helal, 2012. Rice bran oil: preparation and evaluation of novel liquisolid and semisolid formulations. Int. J. Pharmaceut. Compd., 16: 516-523.
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  21. Ammar, H.O., S.A. El-Nahhas, M.M. Ghorab and A.H. Salama, 2012. Chitosan/cyclodextrin nanoparticles as drug delivery system. J. Incl. Phenom. Macrocycl. Chem., 72: 127-136.
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  22. Ammar, H.O., M. Ghorab, A.A. Mahmoud, T.S. Makram and S.H. Noshi, 2012. Topical liquid crystalline gel containing lornoxicam/cyclodextrin complex. J. Incl. Phenom. Macrocycl. Chem., 73: 161-175.
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  23. Ammar, H.O., A.A. Badawi, D.M. Mostafa and S.A. Abou-Taleb, 2012. Novel microemulsions as transdermal delivery systems for enhanced efficacy of fluoxetine hydrochloride. Asian J. Pharmaceut. Sci. Res., 2: 1-16.
  24. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and I.M. Higazy, 2011. Proniosomes as a carrier system for transdermal delivery of tenoxicam. Int. J. Pharmaceut., 405: 142-152.
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  25. Ammar, H.O., M. Ghorab, A.A. Mohmoud, T.S. Makram and S.H. Noshi, 2011. Preparation and evaluation of hydrogels as a vehicle for topical delivery of lornoxicam. Int. J. Drug Formul. Res., 2: 254-274.
  26. Ammar, H.O., H.A. Salama, M. Ghorab and A.A. Mahmoud, 2010. Development of dorzolamide hydrochloride in situ gel nanoemulsion for ocular delivery. Drug Dev. Ind. Pharm., 36: 1330-1339.
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  27. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and R. Kamel, 2009. Polymeric matrix system for prolonged delivery of tramadol hydrochloride, Part II: Biological evaluation. AAPS PharmSciTech, 10: 1065-1070.
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  28. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and R. Kamel, 2009. Polymeric matrix system for prolonged delivery of tramadol hydrochloride, Part I: Physicochemical evaluation. AAPS PharmSciTech, 10: 7-20.
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  29. Ammar, H.O., H.A. Salama, M. Ghorab and A.A. Mahmoud, 2009. Nanoemulsion as a potential ophthalmic delivery system for dorzolamide hydrochloride. AAPS PharmSciTech, 10: 808-819.
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  30. Ammar, H.O., H.A. Salama, S.A. El-Nahhas and H. Elmotasem, 2008. Design and evaluation of chitosan films for transdermal delivery of glimepiride. Curr. Drug Deliv., 5: 290-298.
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  31. Ammar, H.O., M. Ghorab, S. El-Nahhas and R. Kamel, 2007. Evaluation of chemical penetration enhancers for transdermal delivery of aspirin. Asian J. Pharm. Sci., 2: 96-105.
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  32. Ammar, H.O., H.A. Salama, M. Ghorab and A.A. Mahmoud, 2007. Inclusion complexation of glimepiride in dimethyl-β-cyclodextrin. Asian J. Pharmaceut. Sci., 2: 44-55.
  33. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and R. Kamel, 2006. Design of a transdermal delivery system for aspirin as an antithrombotic drug. Int. J. Pharmaceut., 327: 81-88.
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  34. Ammar, H.O., H.A. Salama, M. Ghorab, S.A. El-Nahhas and H. Elmotasem, 2006. A transdermal delivery system for glipizide. Curr. Drug Deliv., 3: 333-341.
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  35. Ammar, H.O., H.A. Salama, M. Ghorab and A.A. Mahmoud, 2006. Implication of inclusion complexation of glimepiride in cyclodextrin-polymer systems on its dissolution, stability and therapeutic efficacy. Int. J. Pharmaceut., 320: 53-57.
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  36. Ammar, H.O., H.A. Salama, M. Ghorab and A.A. Mahmoud, 2006. Formulation and biological evaluation of glimepiride-cyclodextrin-polymer systems. Int. J. Pharmaceut., 309: 129-138.
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  37. Ammar, H.O., H.A. Salama, M. Ghorab, S.A. El Nahhas and H. El Motasem, 2005. Design and evaluation of prednisolone acetate eye drops with prolonged effect. Egypt. J. Pharmaceut. Sci., 46: 9-20.
  38. Ammar, H.O., H.A. Salama, X. Ghorab, S.A. El-Nahhas and H. Elmotasem, 2004. A transdermal delivery system for glipizide. J. Pharm. Pharmacol., 56: 41-41.
  39. Ammar, H.O., M. Ghorab, S.A. El-Nahhas, L.H. Emara and T.S. Makram, 1999. Inclusion complexation of furosemide in cyclodextrins. Part 1. Effect of cyclodextrins on the physicochemical characteristics of furosemide. Pharmazie, 54: 142-144.
  40. Ammar, H.O., M. Ghorab, L.H. Emara, S.A. El-Nahhas and T.S. Makram, 1999. Inclusion complexation of furosemide in cyclodextrins. Part 2: Implication on bioavailability. Pharmazie, 54: 207-210.
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  41. Salama, H.A., H.O. Ammar and R.M. Khalil, 1998. Liposomal delivery systems in timolol maleate eye drops formulation. Egypt. J. Pharmaceut. Sci., 39: 109-122.
  42. Salama, H.A., H.O. Ammar and R.M. Khalil, 1998. Liposomal delivery systems in hydrocortisone eye drops formulation. Egypt. J. Pharmaceut. Sci., 39: 19-30.
  43. Ammar, H.O., S.A. El-Nahhas and R.M. Khalil, 1998. Cyclodextrins in acetazolamide eye drop formulations. Pharmazie, 53: 559-562.
    PubMed  |  Direct Link  |  
  44. Ammar, H.O., S.A. El-Nahhas and L.H. Emara, 1997. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation: 7. Trimethoprim. Pharmazie, 52: 376-379.
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  45. Ammar, H.O., R.M. Khalil and S.A. El-Nahhas, 1997. Dissolution rate measurements as a predictory tool for assessing comparative bioavailability of generic ampicillin capsules. Egypt. J. Pharmaceut. Sci., 38: 531-542.
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  46. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and T.S. Makram, 1997. Interaction of oral anticoagulants with methyl xanthines. Pharmazie, 52: 946-950.
    PubMed  |  
  47. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and T.S. Makram, 1997. Improvement of the biological performance of oral anticoagulant drugs. 2. Dicumarol. Pharmazie, 52: 727-728.
    PubMed  |  
  48. Ammar, H.O., M. Ghorab, S.A. El-Nahhas and T.S. Makram, 1997. Improvement of the biological performance of oral anticoagulant drugs. 1. Warfarin. Pharmazie, 52: 627-631.
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  49. Ammar, H.O. and R.M. Khalil, 1997. Preparation and evaluation of sustained-release solid dispersions of drugs with Eudragit polymers. Drug Dev. Ind. Pharm., 23: 1043-1054.
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  50. Ammar, H.A., S.A. El-Nahhas, L.H. Emara, M.M. Ghorab and H.A. Salama, 1997. Discrepancy among dissolution rates of commercial tables as a function of the dissolution method. Part 7: Aspirin. Pharmazie, 52: 145-149.
    PubMed  |  
  51. Ammar, H.O., S.A. El-Nahhas and M.M. Ghorab, 1996. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. Part 6: Ampicillin. Pharmazie, 51: 568-570.
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  52. Ammar, H.O., M. Ghorab, S.A. El-Nahhas, S.M. Omar and M.M. Ghorab, 1996. Interaction of hydrochlorothiazide with β-cyclodextrin. Egypt. J. Pharmaceut. Sci., 37: 445-458.
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  53. Ammar, H.O., M. Ghorab, S.A. El-Nahhas, S.M. Omar and M.M. Ghorab, 1996. Interaction of dicumarol with β-cyclodextrin. Egypt. J. Pharmaceut. Sci., 37: 431-444.
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  54. Ammar, H.O., M. Ghorab, S.A. El-Nahhas, S.M. Omar and M.M. Ghorab, 1996. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. 5. Theophylline. Pharmazie, 51: 42-46.
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  55. Ammar, H.O. and R.M. Khalil, 1996. Solubilization of certain analgesics by cetomacrogol 1000. Egypt. J. Pharmaceut. Sci., 37: 261-271.
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  56. Ammar, H.O. and R.M. Khalil, 1996. Effect of aromatic hydrotopes on the solubility of oxamniquine. Part 2: Effect of nicotinamide and sodium salts of benzoic, naphthoic, nicotinic and isonicotinic acids. Pharmazie, 51: 490-493.
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  57. Ammar, H.O. and R.M. Khalil, 1996. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. Part 6: Rifampicin. Pharmazie, 51: 165-168.
    PubMed  |  
  58. Ammar, H.O., M. Ghorab, S.A. El-Nahhas, S.M. Omar and M.M. Ghorab, 1995. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. 4. Chlorpromazine hydrochloride. Pharmazie, 50: 805-808.
    PubMed  |  Direct Link  |  
  59. Ammar, H.O. and S.A. El-Nahhas, 1995. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. 3. Bromhexine hydrochloride. Pharmazie, 50: 408-410.
    PubMed  |  
  60. Ammar, H.O. and S.A. El-Nahhas, 1995. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. 2. Colchicine. Pharmazie, 50: 269-272.
  61. Ammar, H.O. and S.A. El-Nahhas, 1995. Improvement of some pharmaceutical properties of drugs by cyclodextrin complexation. 1. Allopurinol. Pharmazie, 50: 49-51.
    PubMed  |  Direct Link  |  
  62. Ammar, H.O. and R.M. Khalil, 1995. Effect of aromatic hydrotropes on the solubility of oxamniquine. I: Effect of sodium salts of hydroxy and amino derivatives of benzoic acid. Pharmazie, 50: 809-811.
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  63. Ammar, H.O., S.A. El-Nahhas, S.M. Omar and R.M. Khalil, 1994. Interaction of allopurinol with phenylephrine and certain analgesics. J. Drug Res. Cairo, 21: 65-65.
  64. Ammar, H.O., S.A. El-Nahhas, R.M. Khalil and S.M. Omar, 1994. Solubilization of allopurinol with methyl xanthines. Pharmazie, 49: 839-842.
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  65. Ammar, H.O., M.S. El-Ridy, M. Ghorab and M.M. Ghorab, 1994. Evaluation of the antischistosomal effect of praziquantel in a liposomal delivery system in mice. Int. J. Pharm., 103: 237-241.
  66. Ammar, H.O. and S.M. Omar, 1994. Effect of aromatic hydrotropes on the solubility of carbamazepine. II. Effect of nicotinamide and sodium salts of benzoic, naphthoic and nicotinic acids. IBID., 35: 209-223.
  67. Ammar, H.O. and S.M. Omar, 1994. Effect of aromatic hydrotropes on the solubility of carbamazepine. I. Effect of sodium salts of hydroxy and amino derivatives of benzoic acid. Egypt. J. Pharm. Sci., 35: 189-207.
  68. Ammar, H.O. and S.A. El-Nahhas, 1994. Solubilization of bromhexine hydrochloride by non-ionic surfactants. Pharmazie, 49: 583-585.
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  69. Ammar, H.O. and S. Omar, 1994. Solubilization of carbamazepine by non-ionic surfactants. Pharmazie, 49: 746-748.
  70. Ammar, H.O., S.M. Omar and R.M. Khalil, 1993. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. IV. Chloropromazine hydrochloride tablets. IBID., 48: 927-927.
  71. Ammar, H.O., R.M. Khalil and S.M. Omar, 1993. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. Part 5: In vitro/in vivo correlation for chlorpromazine hydrochloride tablets. Die Pharm., 48: 932-935.
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  72. Ammar, H.O., R.M. Khalil and S.M. Omar, 1993. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. I. Prednisolone tablets. Pharmazie, 48: 57-57.
  73. Ammar, H.O. and S.A. El-Nahhas, 1993. Effect of aromatic hydrotropes on the solubility of allopurinol. III. Effect of sodium salts of toluic acids. IBID., 48: 751-751.
  74. Ammar, H.O. and S.A. El-Nahhas, 1993. Effect of aromatic hydrotropes on the solubility of allopurinol. II: Effect of nicotinamide and sodium salts on benzoic, naphthoic and nicotinic acids. Pharmazie, 48: 534-536.
    Direct Link  |  
  75. Ammar, H.O. and S.A. El-Nahhas, 1993. Effect of aromatic hydrotropes on the solubility of allopurinol. I: Effect of sodium salts of hydroxy and amino derivatives of benzoic acid. Pharmazie, 48: 436-438.
    Direct Link  |  
  76. Ammar, H.O. and R.M. Khalil, 1993. Effect of aromatic hydrotropes on the solubility of phenacetin. II: Effect of nicotinamide and sodium salts of benzoic, naphthoic and nicotinic acids. Pharmazie, 48: 845-848.
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  77. Ammar, H.O. and R.M. Khalil, 1993. Effect of aromatic hydrotropes on the solubility of phenacetin. I: Effect of sodium salts of hydroxy and amino derivatives of benzoic acid. Pharmazie, 48: 842-845.
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  78. Ammar, H.O. and R.M. Khalil, 1993. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. Part 2: Paracetamol tablets. Die Pharm., 48: 129-135.
  79. Ammar, H.O. and R.M. Khalil, 1993. Discrepancy among dissolution rates of commercial tablets as a function of dissolution method. IBID., 48: 136-136.
  80. Ammar, H.O., S.A. El Nahhas, S.M. Omar and R.M. Khalil, 1992. Interaction of glucocorticoids with xanthines. Egypt. J. Pharmaceut. Sci., 33: 981-981.
  81. Elmahrouk, G., H.O. Ammar, S.M. Omar, S.A. El-Nahhas and M.A. Kassem, 1991. Interaction of phenothiazines with xanthines. II. Communication: Interaction of phenothiazines with theophylline. Pharm. Ind., 53: 868-872.
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  82. Ammar, H.O., S.M. Omar, S.A. El-Nahhas and M. Kassem, 1991. Interaction of phenothiazines with xanthines. III: Communication: Effect of complexation with xanthines on the bioavailability of chlorpromazine. Pharm. Ind., 53: 959-963.
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  83. Ammar, H.O., G. Elmahrouk, S.M. Omar, S.A. El-Nahhas and M. Kassem, 1991. Interaction of phenothiazines with xanthines. I: Interaction of phenothiazines with caffeine. Pharm. Ind., 53: 786-789.
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  84. Ammar, H.O. and S.M. Omar, 1989. Solubilizing of glucocorticoids with cetomacrogol. Pharm. Ind., 51: 1450-1450.
  85. Ammar, H.O., A.G. Mattha, S.A. El Nahhas and M.A. Kassem, 1983. Interaction of phenothiazines with caffeine. Part I : Complex formation. Pharm. Acta Helvetiae, 58: 23-27.
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  86. Abdel-Samie, M., H.O. Ammar, A.G. Mattha, S.A. El-Nahhas and M.A. Kassem, 1983. Interaction of pheothiazines and caffeine. II. Effect of complexation with caffeine on the stability and in-vitro transport of phenohiazines. IBID., 58: 28-28.
  87. Mattha, A., H. Ammar, M. Abdelsamie, S. Elnahhas and M. Kassem, 1982. Complex-formation between antihistaminic drugs and caffeine. Pharmaceut. Acta Helv., 57: 268-272.
  88. Kassem, M.A., H.A. Salama, H.O. Ammar and M. Elridy, 1982. On the dissolution of hydrochlorothiazide powders and solid dispersions. Pharm. Ind., 44: 1186-1189.
  89. Ammar, H.O., S.A. Ibrahim and T. Elfaham, 1982. Effect of aromatic hydrotropes on the solubility of some benzothiadiazines. Pharmazie, 37: 36-40.
  90. Ammar, H.O., S.A. Ibrahim and M.G. Abd El-Mohsen, 1982. Effect of chelating agents on the stability of injectable isoniazid solutions. Pharmazie, 37: 270-271.
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  91. Ammar, H.O., M.A. Kassem, H.A. Salama and M.S. El-Ridy, 1982. On the dissolution of chlorothiazide and hydrochlorothiazide tablets and capsules. Bull. Nat. Res., 7: 75-75.
  92. Salama, H.A., H.O. Ammar, M.A. Kassem and M. Elridy, 1981. On the dissolution of chlorothiazide powders and solid dispersions. Pharm. Ind., 43: 1242-1242.
  93. Salama, H.A. and H.O. Ammar, 1981. Effect of polyvinylpyrrolidone on the rheological characteristics of macoloid dispersions. Pharmazie, 36: 262-265.
  94. Salama, H.A. and H.O. Ammar, 1981. Effect of alcohols on the rheological characteristics of Macloid dispersions. Pharmazie, 396: 15-15.
  95. Ammar, H.O., S.A. Ibrahim and T.H. El-Faham, 1981. Interaction of chlorothiazide and hydrochlorothiazide with certain amides, imides and xanthines. Pharm. Ind., 43: 292-295.
  96. Ammar, H.O., H.A. Salama, 1981. Effect of sodium salts of toluic acids on the water-solubility of riboflavin. Pharm. Ind., 43: 194-197.
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  97. Ammar, H.O. and H.A. Salama, 1981. Interaction between bendroflumethiazide and caffeine. Pharmazie, 36: 265-266.
  98. Kassem, M.A., H.O. Ammar, H.A. Salama and M.S. El-Ridy, 1980. On the dissolution of digoxin. Pharm. Ind., 42: 757-757.
  99. Ibrahim, S.A., H.O. Ammar and M.G. Abd El- Mohsen, 1980. Studies on some factors affecting stability of isoniazid solutions. I. Effect of pH-value and buffer system. Bull. Pharm. Sci., Assiut. Univ., 3: 25-25.
  100. Ammar, H.O., S.A. Ibrahim, A.A. Kassem and S.S. Abu-Zaid, 1980. Interaction of aromatic monocarboxylic acid derivatives with amidopyrine. Pharm. Ind., 42: 1312-1315.
  101. Ammar, H.O. and H.A. Salama, 1980. Solubilizing benzothiadiazide diuretics by Cetomacrogol 1000. IBID., 42: 849-849.
  102. Salama, H.A. and H.O. Ammar, 1979. Rheological studies on Macaloid dispersions. I. Effect of preservatives. Pharm. Ind., 41: 89-89.
  103. Ibrahim, S.A., H.O. Ammar, A.A. Kassem and S. Abuzaid, 1979. Effect of some hydrotropic agents on the water solubility of aminophenazone. Pharmazie, 34: 809-812.
  104. Salama, H.A., H.O. Ammar, M.A. Kassem and M.S. El Ridy, 1977. On the dissolution and bioavailability of phenindione. II. Dissolution rate of phenindione powders and solid dispersions. Pharm. Ind., 39: 290-293.
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  105. Salama, H.A. and H.O. Ammar, 1977. Effect of Beeswax on the rheological characteristics of soft paraffin. Eur. J. Lipid Sci. Technol., 79: 154-157.
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  106. Kassem, M.A., H.A. Salama, H.O. Ammar and M.S. El Ridy, 1977. On the dissolution and bioavailability of phenindione. III. Dissolution and bioavailability of phenindione capsules. Pharm. Ind., 39: 396-399.
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  107. El-Nimr, A.E., H.O. Ammar and H.A. Salama, 1977. A paper chromatographic method for separation and determination of synephrine in injectable solutions. Pharmazie, 32: 402-403.
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  108. Ammar, H.O., M.A. Kassem, H.A. Salama and M.S. El-Ridy, 1977. On the dissolution and bioavailability of phenindione. I. Phenendione tablets. Pharm. Ind., 39: 171-171.
  109. Ammar, H.O. and H.A. Salama, 1977. Interaction between thiamine hydrochloride and lipoic acid. Pharmazie, 32: 34-35.
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  110. Salama, H.A., H.O. Ammar and A.E.M. El-Nimr, 1976. On the rheology of polyoxyethylene sorbitol lanolin derivatives. Eur. J. Lipid Sci. Technol., 78: 158-161.
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  111. Salama, H.A., A.E.M. El-Nimr and H.O. Ammar, 1976. On the influence of liquid derivatives of lanolin on the rheology of hydrocarbon ointment bases. Eur. J. Lipid Sci. Technol., 78: 319-322.
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  112. Ammar, H.O., 1976. Stability of injection solutions of vitamin B1. Part 2: Influence of lipoic acid. Pharmazie, 31: 373-374.
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  113. Ammar, H.O., 1976. Stability of injection solutions of vitamin B1. Part 1: Influence of chelating agents. Pharmazie, 31: 235-236.
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  114. Ammar, H.O., 1976. On the solubilization properties of surfactant-polymer complexes. Pharmazie, 31: 784-786.
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  115. Ammar, H.O., H.A. Salama and A.E. El-Nimr, 1975. Studies on the stability of injectable solutions of some phenothiazines. Part 1: Effects of pH and buffer systems. Pharmazie, 30: 368-369.
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  116. Ammar, H.O., A.E. El-Nimr and H.A. Salama, 1975. Studies on the stability of injectable solutions of some phenothiazines. Part 2: Effect of chelating agents and antioxidants. Pharmazie, 30: 369-370.
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  117. Kassem, M.A., A.A. Kassem and H.O. Ammar, 1972. Studies on the stability of injectable L-ascorbic acid solutions. 3. Effect of metal-complexing agents. Pharmaceut. Acta Helv., 47: 89-97.
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  118. Kassem, M.A., A.A. Kassem and H.O. Ammar, 1969. Studies on the stability of injectable L-ascorbic acid solutions. II. Effect of metal ions and oxygen content of solvent water. Pharmaceut. Acta Helv., 44: 667-675.
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  119. Kassem, M.A., A.A. Kassem and H.O. Ammar, 1969. Studies on the stability of injectable L-ascorbic acid solutions. I. Effect of pH, solvent, light and container. Pharmaceut. Acta Helv., 44: 611-623.
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  120. Kassem, M.A., A.A. Kassem and H.O. Ammar, 1969. On heavy metal ions contamination from ampoule glass. Pharmaceut. Acta Helv., 44: 535-540.
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