Prof. Mohamed Ibrahim Walash

Personal Details

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Name : Mohamed Ibrahim Walash
Date of Birth : 20/3/1940
Nationality : Egyptian.
Marital status : Married
 
Qualifications

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  • B.Sc. Pharm. & Pharm. Chem. (June 1960).
  • M.Sc. Pharm.
  • Ph.D. (Pharm.).
  
Experience

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  30 years of experience working in different capacities in the Pharmacy Profession.
(1) 1960-1963 Pharmacist in Army Hospitals and Public Health Hospitals.
(2) 1963-1964 Assistant Research/Fellow in Research and Control Center for Drugs.
(3) 1964 Training Fellowship in Germany in Hochest Pharmaceutical Co. (Frakfurt) in the Pharma Control Lab.
(4) 1965-1967 Head of Methodology unit in Research and Control Centre (Egypt).
(5) 1967-1968 Deputy Head of Control Laboratories in R & C.C. (Egypt).
(6) 1969 Head of Quality Control Department.
(7) 1970 W.H.O. Training Fellowship in Quality Control in April 1970, I attended a Quality Control Course in Copenhagen (Denmark) under the Health Organization and I was a Delegate of My Country to that Course.
(8) 1970-1972 In 8th November I joined Ahmadu Bellow University as Lecturer in Quality Control.
(9) 1975 Associate Professor (Anal. Chemistry) Mansoura University.
(10) 1979 Professor of Analytical Chemistry & Head of Dept., Faculty of Pharmacy, University of Mansoura, Egypt.
(11) 1983 Vice Dean of Faculty of Pharmacy.
(12) 1987 Deputized as expert in Analytical Chemistry Kuwait - Forensic Medicine Laboratories.
(13) 1990 Professor of Anal. Chemistry, Head of Department.
(14) 1992 Scientific visit to Japan, August to September, NIRE Institute.
(15) 1994 Scientific visit to Japan, March NIRE institute.
(16) 1994 Professor of Pharm. Anal. Chemistry (School of Pharmacy, Addis Ababa University).
(17) 1995 (May) Chairman of Pharmaceutical Chemistry Dept. (Addis Ababa University, School of Pharmacy).
(18) 1998 Head of Anal. Chem. Dept. Mansoura University, Faculty of Pharmacy.
(19) 2000 Professor of Anal. Chem. Mansoura University, Faculty of Pharmacy.
Name Mohamed Ibrahim Walash
Education  
Degree/Major Ph.D. Pharm. Sci./Analytical Chemistry
School/location University of Cairo, Cairo, Egypt
Date 1969
Degree/Major M.Sc. Pharm./Analytical Chemistry
School/Location University of Cairo, Cairo, Egypt.
Date 1965
Degree/Major B.Sc. Pharm./Pharmaceutical Chemistry
School/Location University of Cairo, Cairo, Egypt.
Date June 1960

Experience summary

  • Over 12 years of successful hands-on experience in positions in diverse organizations that include industry and academia. Extensive experience in different aspects of chemical analysis, methods development and validation, instrumental methods of chemical analysis, …etc. Under his supervision, 25 graduate students received their Ph.D. or Master degrees in different areas of chemical analysis. Published more than 100 research articles in specialized scientific journals.
  • Reviewer for Journal for Analytical Chemistry and Pharmaceutical Chemistry: J. Drug Research (NODCAR-Egypt); J. Pharm. Sci. (Cairo University); J. Pharm. Sci. (Alexandria University); J. Pharm. Sci. (Mansoura University); J. Pharm. Sci. (Assiut University).
  • Scientific consultant for chemical analysis in: Kahira Pharm. Industries, Cairo; Nile Pharm. Industries, Cairo; The National Organization for Drug Analysis and Research, Cairo, Egypt.
Employer Name Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt.
Performance periods 1975 to 1987 and from 1990 till present.
Job Title Professor of Analytical Chemistry and Head of the Analytical Chemistry Department.
Job Description Served as Director of a 10 Ph.D. Faculty staff persons besides 30 research assistants and support staff to provide education and training courses, technical assistance, supervising research of graduate students and teaching advanced as well as classical analytical chemistry courses to both graduate and undergraduate pharmacy students. Consultant services in drug quality control and methodology development and assessment of pharmaceutical plants.

Teaching the following courses in analytical chemistry:

Qualitative inorganic analysis including anions and cations. Quantitative inorganic analysis using the classical wet chemical methods namely: gravimetric as well as acid-base, redox nonaqueous, complexometric, precipittimetric…etc. titrations. Instrumental methods of analysis including UV-spectroscopy, IR spectroscopy, nmr-spectroscopy and atomic absorption spectroscopy. Electrochemical methods including potentiometry, polarography conductometry, amperometry…etc. Chromatographic methods including thin-layer, paper and column techniques in addition to gas and high performance liquid chromatography methods. Applied courses on functional group analysis, pharmaceutical quality control, oil and fat chemistry and analysis as well as water analysis.

Advanced courses on more sophisticated techniques of chemical analysis are given to graduate students.
Employer name Faculty of Pharmacy, University of Khartoum, Sudan.
Performance Period During 1980
Job Title Visiting Professor of Pharmaceutical and Analytical Chemistry
Employer Name The National Organization of Drug Control and Research, Cairo, Egypt.
Performance Period 1964-1975
Job Title Head of the quality control department
Job Description Responsible for chemical analysis of drugs and chemicals imported for use by pharmaceutical firms in Egypt. Analysis of finished pharmaceutical preparations before distribution in the local market and before export to Arab and African countries. Developing new methods for both quality control and stability of pharmaceutical formulations.

 
Professional Associations

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  • The Egyptian Pharmaceutical Association.
  • The Egyptian Society of Analytical Chemistry.
  • Drug Analysis Association.
  • The Egyptian Syndicate of Pharmacists.
  • Member of the Egyptian Pharmacopoeial Committee.
  • The Pharmaceutical Society of Kuwait.
  
Awards

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  • Selected for famous Egyptian biographical reference 1990. Silver medal, sponsored by the Egyptian Syndicate of pharmacists
  
Scientific Publications

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  1. Spectrophotometric determination of loperamide hydrochloride by acid-dye and charge transfer complexation methods in the presence of its degradation products.
    Z.A. Sherif, A.O. Mohamed, M.I. Walash & F.M. Tmas.
    J. Pharm. Biomed. Anal. 22, 13, 2000.
  2. Spectrophotometric determination of two N-(4-quinolyl) anthnilic acid derivative (glafenine and floctafenine).
    Ibid, Idem. 23, 483, 2000.
  3. Determination of Ethylene diamine tetraacetic acid (EDTA) in pharmaceutical Dosage forms using Flame Atomic Absorption Spectroscopy.
    F. Belal, F. Aly, M.I. Walash, I.M. Kinaway & A.M. Osman.
    IL Farmaco 53, 365, 1998.
  4. Polarographic Determination of EDTA in certain Pharmaceutical Dosage Forms.F. Belal, F.A. Aly, M.I. Walash & A.O. Mesbah.
    J. Pharm. & Biomed. Analysis, 17, 1249, 1998.
  5. Colorimetric Determination of Two Nonsteroidal anti-inflammatory Drugs using P-Dimethylamino cinnamaldehyde.
    El Sherif Z.A., Walash, M.I., El-Taras M.F. and Osman A.O.
    Anal. Lett. 39(10), 1881, 1997.
  6. Determination of Loperamide and its Degradation Products by spectrophotometric and HPLC methods.
    Ethiop. Pharm. J. 15, 15, 1997.
  7. Spectrophotometric Determination of Benzalkonium chloride in Dosage of forms through charge Transfer complexation.
    F. Belal, M.I. Walash, F.A. Aly and A.O. Mesbah.
    Anal. Lett. 30(7), 1321, 1997.
  8. Titrimetric and Spectrophotometric Determination of Some Phenothiazine Derivatives using Chlorobenzothiazole Reagent.
    M.I. Walash, M. Rizk, S.S. T, S.M. Ahmed and N.A. Zakhagari.
    Bull. Fac. Pharm. (Cairo Univ.) N 34(2), 73, 1996.
  9. Selective Fluorimetric Method for The Determination of 1,4 Benzodiazepine Drugs Containing a Hydroxyl Group at C-3.
    M.I. Walash, F. Belal, M.E. Metwally and M.M. Hefnawy.
    J. Pharm. & Biomed. Analysis 12, 1417, 1994.
  10. Zero-crossing First Derivative Spectrophotometry For The simultaneous Determination of Phenazopyridine and Nitrofurantoin in Tables.
    M.I. Walash, Amina M. El-Brashy, M. Sharaf El-Din, M. Aburjeie and M. sultan. Pharmazie 49, 698, 1994.
  11. Colorimetric Determination of Prenalterol Hydrochloride in Dosage Forms.
    F.A. Aly, F. Belal, and M.I. Walash.
    J. Pharmaceutical & Biomedical Analysis 12, 995, 1994.
  12. Application of High Performance liquid Chromatography in The Determination of Tauromustine in Presence of its Metabolites and Degradation Products.
    M.I. Walash, F. Belal, M.E. Metwally and M.M. Hefnaway
    J. Liquid Chromatography 17, 1597, 1994.
  13. Conductometric Determination of Some Benzothiadiazine Diuretics in Dosage Forms. Idem. Die Pharmacie 49, 456, 1994.
  14. Polarographic Behaviour and Determination of Paracetamol and Salicylamide After Treatment with Nitrous Acid.
    M.I. Walash, A.M. El-Brashy and M.A. Sultan.
    Mikrochimica Acta 113, 113, 1994.
  15. Polarographic Behaviour and Determination of Beclomethazone Dipropionate.M.I. Walash, F. Belal, M.E. Metwally and M. Hefnaway.
    Mikrochim. Acta 112, 217, 1994.
  16. Stability indicating first derivative spectrophotometric determination of furazolidone. Acta Pharm. Huyngarica 64, 5, 1994.
  17. Fluorimetric determination of Tauromustine (a novel antitumer agent) in Formulations and Biological Fluids. M.I. Walash, F. Belal, M. Metwally and M. Hefnawy.
    J. of Pharmaceutical & Biomedical Analysis 8, 777, 1993.
  18. Spectrophotometric Determination of Rifampin in the Presence of its Degradation Products in Pharmaceuticals.
    M.I. Walash, F. Belal, M. Metwally & M. Hefnawy.
    Anal. Letters 2, 1905, 1993.
  19. Spectrophotometric Determination of Maneb, Zineb and their Decomposition Products in Some Vegetables and its Application to Kinetic Studies After Greenhouse Treatment.
    M.I. Walash, F. Belal, M. Metwally & M. Hefnaway.
    Food Chemistry 47, 411, 1993.
  20. Colorimetric Determination of Some Aromatic Nitro Compounds of pharmaceutical Interest.
    M.I. Walash, A. Elbrashy, and M.A. Sultan.
    Anal. Letters 26(3), 499, 1993.
  21. Assay of Certain Oral Contraceptive Formulations by GC-MS Selected Ion Monitoring.
    C.J. Brooks, M.I. Walash, M. Rizk, N. Zakhari, S.S. Toubar and D. Watson.
    Acta Pharm. Hungarica 63, 19, 1993.
  22. Titrimetric and Spectrophotometric Analysis of Acepifylline Phenobarbitone and Papaverine Hydrochloride in Pharmaceutical Preparations.
    N. Zakhari, M.I. Walash.
    Farmaco 46, 601, 1991.
  23. Dimethyl and Dimethylisopropyl Silylethrs for The Characterisation of Hydroxysteroids by GC-MS.
    Idem. Mans. J. Pharm. Sci. 7, 87, 1991.
  24. G.C. Assay of Methyl Testosterone in Tablets.
    Idem, J. Pharm. & Biomedical Analysis 9, 705, 1991.
  25. GC-MS Determination of Steroids in Oral Contraceptive Preparations.
    C.J. Brooks, W.J. Cole, N. Zakhari, M.S. Rizk, M.I. Walash, and S.S. Toubar.
    Alex. J. Pharm. Sci. 5, 205, 1991.
  26. Densitometric Determination of Papaverine in Opium, Poppy Capsules and Certain Pharmaceutical Dosage Forms.
    O.M. Salama and M.I. Walash. Anal. Letters 69, 24(1), 1991.
  27. Detection of Lead in gunshot residue: A case study. F.B. Ghabbour, M.I. Walash, and S.A. Abo Namous
    AFTE Journal 22(2), 149, 1990.
  28. Simultaneous High Performance Liquid Chromatographic Determin-ation of Xanthines in Tea, Coffee and Cola type Beverages.
    O.M. Salama, M.I. Walash and M. Bishr.
    Egyptian Medical J. 7, 331, 1990.
  29. Spectrophotometric Titration of Phenothiazines Using 2,3 Dichloro-5,6-dicyano-1,4-benzoquinone.
    M. Rizk, N.A. Zakhari, F. Ibrahim and M.I. Walash.
    Mickrochim. Acta (Wien) 1, 355, 1989.
  30. The use of Absorbance Ratios in Densitometric Measurements for The Characterization of Certain Natural Products of Pharmacological Interest.
    M.I. Walash, O.M. Salama and M.N. Bisher.
    J. Chromatography 469, 390, 1989.
  31. Quantitative Denstiometric Determination of Theophylline.
    O.M. Salama and M.I. Walash.
    Anal. Letters 22, 827, 1989.
  32. Fluorometric Determination of Reserpine in Dosage Forms.
    M.I. Walash, F. Belal and F.A. Aly.
    Talanta 35, 731, 1988.
  33. Evaluation of Certain Pharmaceuticals with Hexammine cobalt (III) Tricharbonatecobaltate (III). 1-Determination of Some N-Substituted Phenothiathine Derivatives.M.I. Walash, F. Belal and F. Aly, Talanta 35, 320, 1988.
  34. Hexammine cobalt(III) - Tricarbonatocobaltate(III) as a Redox Titrant for the Determination of Certain Thio-Xanthine Derivatives. F. Belal, M.I. Walash and f.A. Aly. Micro-Chemical J., 38, 295, 1988.
  35. Titrimetric Determination of Acetylenic Hypnotics using Organic Brominating Agents. Elbrashy, F. Belal, M.I. Walash and M. Rizk. Pharm. Weekblad. (Sci. Ed.) 10, 90, 1988.
  36. Evaluation of Certain Pharmaceuticals with Hexamminecobalt(III)-Tricarbonatecobaltate(III). Part 2- Potentiometric Determination of some Antimony(III) Compounds.
    M.I. Walash, F. Belal and F. Aly.
    Analyst, 113, 955, 1988.
  37. Titrimetric Determination of Some Thioxanthene Derivatives.
    M.I. Walash, M. Rizk and A. Elbarashi.
    Analyst, 113, 1309, 1988.
  38. Direct Current Polarographic Determination of Chlorprothixene and Thiothixene After Bromination.
    M.I. Walash, M. Rizk, F. Belal and A. El-Brashy.
    Microchemical J. 38, 300, 1988.
  39. Spectrophotometric Determination of Thioxanthenes with Iodine.
    Rizk, M. Walash, M.I., and El-Brashy, A.
    Spectroscopy Letters, 21(5), 393, 1988.
  40. Spectrophotometric Determination of Chlordiazepoxide and Nitrazepam.
    M.I. Walash, M. Rizk and A. El-Brashy.
    Talanta, 15, 895, 1988.
  41. Aspects of the Uses of Derivatives in Steroid Aanlysis by GC-MS.
    C.J.W. Brooks, W.J. Cole, S.S. Toubar and M.I. Walash.
    Proc. of the Symp. on the Analysis of Steroids (Sporn Hungary) 267, 1987.
  42. Colorimetric Determination of Thioxanthenes with Tetracyanoethyl-ene.
    M.I. Walash, M. Rizk and A. El-Brashy.
    Pharm. Weekblad Sci. Ed., 8, 234, 1986.
  43. Determination of Phenothiazines by Charge Transfer Complex Formation with Chloranilic Acid.
    N.A. Zakhari, M. Rizk, F. Ibrahim and M.I. Walash.
    Talanta, 33, 111, 1986.
  44. UV Spectrophotometric Determination of D keto Steroids using semicarbazide.M.I. Walash, N.A. Zakhari, M. Rizk and S. Toubar.
    Farmaco. 42, 81, 1986.
  45. Spectrophotometric Determination of Xanthotoxin and Imperatorin Mixture.
    M. Sharaf El-Din, M.F. Lahloub and M.I. Walash.
    Proceeding First Int. Conference of Applied Science (30 March-1st April) 1, 57, 1985.
  46. Nonaqueous Titration of Phenothiazine derivatives using Silver Perchlorate.
    N.A. Zakhari, S.M. Ahmed and M.I. Walash.
    Ibid. 1, 221, 1985.
  47. Spectrophotometric Titration of Phenothiazines using
    2,3-Dibromo-5,6-dicyano-1,4-Benzoquinone.
    M. Rizk, N.A. Zakhari, F. Ibrahim and M.I. Walash.
    Ibid. 1, 182, 1985.
  48. Titrimetric and Spectrophotometric Determination of Acetylenic Hypotics using Brominating Agents.
    M.I. Walash, M. Rizk and A. El-Brashy.
    J. Assoc. Off. Anal. Chem. 68(6), 1209, 1985.
  49. D.C. Polarographic Assay of Piperazines.
    M.I. Walash, M.S. Rizk and F. Ibrahim.
    J. Assoc. off Anal. Chem. 68(3), 532, 1985.
  50. Spectrophotometric Determination of Certain Sympathomimetric Amines.
    F.B. Salem and M.I. Walash.
    Analyst, 110, 1125, 1985.
  51. Fluorometric Determination of certain Phenothiazine Derivatives using Eosin.
    N.A. Zakhari, M. Rizk, and M.I. Walash and F. Ibrahim.
    Anal. Lett., 18(B-11), 1405, 1985.
  52. Colorimetric Determination of Sympathomimetic Amines, Methyldopa and Noradrenaline.
    M.I. Walash, A. Abou Ouf and F.B. Salem.
    J. Assoc. Off. Anal. Chem. 68(1), 91, 1985.
  53. Cerimetric Determination of Catecholamines.
    M.I. Walash and F.B. Salem.
    J. Pharm. Belg. 39, 88, 1984.
  54. Colorimetric determination of 17-Ethinyl Steroids.
    Walash, M.I. Rizk, M., Zakhari, N.A. and Toubar, S.
    Acta Pharm. Fenn. 93, 33, 1984.
  55. Spectrophotometric and Titrimetric Determination of Certain Andrenergic drugs.Walash I. Mohamed and F.B. Salem.
    Anal. L17(B3), 191, 1984.
  56. Polarographic Behavior and Determination of Some Penicilline After Bromometric Oxidation.
    M. Rizk, M.I. Walash, A. Abou Ouf and F. Belal.
    Pharm. Weekblad (Sci. Ed.), 6, 114, 1984.
  57. Spectrophotometric Determination of Piperazines, Piperazine Salts and Diethylcarbamazine Citrate with Chloranilic Acid.
    M. Rizk, M.I. Walash and F. Ibrahim.
    Spectroscopy Lett. 17(8), 423, 1984.
  58. Cerimetric Determination of Ephedrine.
    Basyoni, F. Ibrahim, M.I. Walash.
    Anal. Lett. (B-16), 1793, 1984.
  59. Spectrophotometric Determination of 3-Ketosteroids Using Oxalylhydrazide.
    M.I. Walash, M. Rizk, N. Zakhari, and s. Toubar. Anal. Letters 17(B-9), 817, 1984.
  60. Determination of Methyltestosterone and Norethisterone using Thioglycolic Acid.Fatma I. Khatab, Fatma M. Ashour and M.I. Walash.
    Arch. Phar. Chem. 11, 85, 1983.
  61. Determination of some Quinoline Derivatives with Organic Brominating Agents.M.I. Walash, M. Rizk, A. Abou Ouf and F. Belal.
    Anal. Lett. 16(A2) 129, 1983.
  62. Determination of Mixtures of Sex Hormones.
    F.I. Khatab, F.M. Ashour, M.I. Walash and M.M. Amer.
    Egypt. J. Pharm. Sci. 24, 1, 1983.
  63. Titrimetric Determination of Some N-Substituted Phenothiazine Derivatives.
    M.I. Walash, M.S. Rizk, A. Abou Ouf and F. Belal.
    Analyst 108, 626, 1983.
  64. UV Spectrophotometric Determination of Methylpentynol Carbamate as Mercuric Acetate Complex.
    M. Rizk, M.I. Walash and A. El-Brashy.
    Fresenius Z. Anal. Chem. 310, 256, 1982.
  65. Titrimetric Method with Ion Selective Electrode for determination of Acetylenic Hypnotics.
    M.S. Rizk, M.I. Walash, and A. El-Brashy.
    J. Assoc. Off. Anal. Chem. 65, 138, 1982.
  66. Spectrophotometric and Titrimetric Determination of Certain Adrenergic Drugs Using Organic Brominating Agent.
    M.I. Walash, A. Abou Ouf and F.B. Salem.
    J. Assoc. Off. Anal. Chem. 65, 945, 1982.
  67. Ultraviolet and Flourometric Determination of Monosubstituted Acetylenic Hypnotics after Conversion to Their Corresponding Carbonyl Compounds.
    M.I. Walash, M.S. Rizk and A. El-Brashy.
    Anal. Letters 11(B-2), 963, 1982.
  68. Colorimetric Determination of Phenylephrine in Pharmaceutical Preparations.
    S.M. Hassan, M.I. Walash, S.M. Elsayed and A. Abou Ouf.
    J. Drug Research 13, 155, 1981.
  69. Spectrophotometric and Titrimetric Determination of Catecholamines using Organic Brominating agents.
    A. Abou Ouf, M.I. Walash and F.B. Salem.
    Analyst 106, 946, 1981.
  70. Determination of Piperazine Via Charge Transfer Complex.
    M. Rizk, M.I. Walash, and F. Ibrahim.
    Analyst. 106, 1163, 1981.
  71. Evaluation of Certain Pharmaceuticals with Dibromohydantion. Determination, of Penicillins, Part V.
    M. Rizk, M.I. Walash, A.A. Abou Ouf and F. Belal.
    Anal. Letters 14(B 17 & 18), 1407, 1981.
  72. Colorimetric Determination of Certain Phenol Derivatives in Pharmaceutical Preparations.
    S.M. Hassan, M.I. Walash, S. El-Sayed and A.A. Abou Ouf.
    J. Assoc. Off. Anal. Chem. 64, 1442, 1981.
  73. Evaluation of Certain Pharmaceuticals with N-Bromophthalimide. Part I. the Determination of Sulphonamides.
    Abou Ouf, M.I. Walash, M. El-Kerdawy and S. El-Ashry.
    J. Drug. Research. 12, 77, 1980.
  74. Spectrophotometric Determination of Oxyphenebutazone in Pharmaceutical Preparations.
    A. Abou Ouf, M.I. Walash, S.M. Hassan and S.M. El-Sayed.
    Analyst, 105, 169 (1980).
  75. Colorimetric Determination of Acetylenic Hypnotics by Formation of Silver Acetylides.
    M.S. Rizk, M.I. Walash, and Amina El-Brashy.
    J. Assoc. Off. Anal. Chem., 63, 88, 1980.
  76. Spectrophotometric Determination of Piperazine and its Salts in Pharmaceuticals.
    Abdel M. Abou Ouf, Mohamed I. Walash, Mohamed S. Rizk, and Fawzia A. Ibrahim.
    J. Assoc. of Off. Anal. Chem. 62, 1138, 1979.
  77. Evaluation of Certain Pharmaceuticals with Dibromohydantion. Part III:
    Determination of Vitamins and Local Anesthetics.
    Abou Ouf, A.A., Walash, M.I. Rizk, M. and Belal, F.
    J. Drug Research 11, 1-2, 81, 1979.
  78. Determination of Phenindione by Organic Brominating Agents.
    A. Abou Ouf, M.I. Walash, M. Rizk and F. Belal.
    Analyst 104, 566, 1979.
  79. Evaluation of Certain Pharmaceuticals with Dibromodimethyl Hydanation Part II: Determination of Analgesics.
    M.I. Walash, M. Rizk, F. Belal and A. Abou Ouf.
    Die Pharmazie 34, 44, 1979.
  80. Detection of Certain Pharmaceutical Primary Aromatic Amines, Hydrazindes, and Amides with Ethochlorvynol.
    M. Rizk, M.I. Walash and N.I. Rabou.
    Arch. Pharm. Chem. 6, 26, 1978.
  81. Tetramethylurea As a Solvent for Nonaqueous Titration of Certain Antibiotics.M. Rizk and M.I. Walash.
    J. Drug Research 10, 193, 1978.
  82. Gas Liquid Chromatographic Analysis of lynosternol in Contraceptive Tablets.M.I. Walash and m. Rizk.
    Die Pharmazie 33, 521, 1978.
  83. A Note on the Identification of some Volatile Constituents in Vaginal Powders.
    M.I. Walash and S.M. Hassan.
    J. Drug Research 10, 85, 1978.
  84. Colorimetric Determination of Acetaminophen.
    A. Abou Ouf, M.I. Walash, S.M. Hassan and S. Ahmed.
    Archiv. Pharm. Chem.i. 6, 164, 1978.
  85. Colorimetric and Atomic Absorption Methods for the Determination of Ethinyl Oestradiol.
    M.M. Amer, M.I. Walash, I. Haroun, F.M. Ashour.
    J. De Pharmazie de Belgique, 33, 297, 1978.
  86. The Determination of Mixtures of Some Artificial Sweenthers
    M.M. Amer, I.A. Haroun, M.I. Walash and F. Ashour.
    Die Pharmazie, 33, 345, 1978.
  87. Evaluation of Certain Pharmaceuticals with DBH Part I. Sulphonamide Determination.
    A. Abou Ouf, M.I. Walash, M. Rizk and F. belal.
    J. Pharm. Sci. (Egypt) 1, 101, 1977.
  88. Spectrophotometric Determination of Sodium Cyclamate.
    M.M. Amer, M.I. Walash, I. Haroun and F.M. Ashour.
    J. Drug Research 9, 87, 1977.
  89. Nonaqueous Titration of Certain Analgesic Dosage Forms in Tetraethyl Urea.
    M.I. Walash and M. Rizk.
    Indian. J. Pharmacy 39, 82, 1977.
  90. Complexometric Determination of Saccharin.
    M.M. Amer, I.A. Haroun, M.I. Walash and F.M. Ashour.
    Proc. XIV Conf. Pharm. Sci.; Cairo Egypt 15(Dec., 1975).
    Indian J. of Pharmacy, Vol. 38, No. 3, 81, 1976.
  91. Determination of Minerals in Commercial Pharmaceutical Preparations by Atomic Absorption Spectrophotometry: Part I: Determination of Zinc. Iron and Magnesium in Some Multivitamin and Mineral Preparations.|
    S.A. El-Kinawy, M.I. Walash, M. Abou Bakr and I.Z. Diaie.
    J. Drug Research 2, 155, 1975.
  92. Comparative Physical and Biological Studies of Different Suspensions of Chloramphenicol Palmitate in Normal Human Subjects.
    E.E. Galal, Y.M. Abou Baraka, M.I. Walash, S.S. El-Kinawy and E.A. Ibrahim.
    Ibid. 7, 137, 1975.
  93. Quantitative Analysis of Riboflavin in Presence of Iron in Multicomponent Forms.
    M.I. Walash, H.H. Youssef and F.M. El-Anwar.
    J. Drug Research 6, 113, 1974.
  94. Comparative Study of Serum Concentrations & Urinary Excretion Levels of Locally Manufactured and Imported Brands of Chloramphenicol Palmitate in Normal Human Subjects.
    E.E. Galal, S. Wilson, Y. Abou Baraka, M.I. Walash,
    M. Madkour & F. El-Anwar.
    J. Drug Research 3, 73, 1974.
  95. Colorimetric Assay for Erythromycin Using Salicylaldehyde.
    M.M. Amer, M.I. Walash and A.A. Habeeb.
    Ibid. 89.
  96. Differential Titrimetric Determination of Salicylamide-Paracetamol Combinations in Nonaqueous Medium.
    S.P. Agarwal and M.I. Walash.
    Indian J. Of Pharmacy 36, 47, 1974.
  97. Identification of Oral Hypoglycemic & Diuretic Drugs by T.L.C. Using Metal Ions.
    S.P. Agarwal, M.I. Walash and M.I. Blake.
    Ibid. 35, 181, 1973.
  98. Lessons form Our Experience of Drug Control in Egypt.
    E.E. Galal and M.I. Walash.
    Proceedings of the 1973 Annual Scientific Conference of the East African Medical Research Council (Nairobi).
    (The use and Abuse of Drug and Chemical in Tropical Africa
    First Published 1974), 267, 1973.
  99. Prepacking, A useful Concept in Hospital Pharmacy Administration.
    S.P. Agarwal, M.I. Walash and H. Eka.
    African J. Of Pharm. & Pharmac. Sciences 2, 539, 1972.
  100. Sampling Methods in Drug Field (Arabic).
    M.I. Walash and M.M. Amin.
    The Proceeding of the Ninth Conference of Statistics & Computer Science March 24-29, 1, 1973.
  101. A Study of the Characterisation of some Oral Penicilline By T.L.C. Using Metal ions.
    M.I. Walash and S.M. Hassan.
    J. Drug Research, 5, 111, 1973.
  102. Identification of Pharmaceuticals by T.L.C. Using Metal Ions.
    M.I. Walash and S.P. Agarwal.
    J. Drug Research 5, 217, 1973.
  103. Methods for The Determination of Acetohexamide with 2,4 Dinitrophenyl hydrazine.
    M.M. Amer and M.I. Walash.
    Bull. Fac. Pharmacy, (Cairo University) 12(2), 199, 1973.
  104. The Determination of Chlopropamide Through its Chlorine Content. Idem. Ibid. 211.
  105. The Determination of Mixtures of Tolbutamide, Acetohexamide and Chlorpropamide Idem. Ibid. 223.
  106. Colorimetric Determination of Sulphonamides Using Ceric Sulphate Idem. Ibid. 161.
  107. Ninhydrin Method for The Determination of Some Oral Hypoglycemics Idem. Ibd. 189.
  108. Characterization of Sulfonamides By T.L.C. Using Metal Ions.
    M.I. Walash and S.P. Agrawal.
    J. Pharm. Sciences 61, 277, 1972.
  109. Spectrophotometric Titration of Sulfonamides with Bromate Bromide Solution.M.I. Walash, S.P. Agarwal and M.I. Blake.
    J. Pharm. Sciences 61, 779, 1972.
  110. Analysis of Aspirin Acetaminophen Combinations by Differen-tiating nonaqueous titrations.
    M.I. Walash, S.P. Agarwal and M.I. Blake.
    Canadian J. Pharm. Sciences 7, 115, 1972.
  111. Nonaqueous Titration of Oral Hypoglycemic and Diuretic Drugs in Tetramethylurea.
    S.P. Agarwal and M.I. Walash
    Indian J. of Pharmacy 34, 109, 1972.
  112. Titrimetric Determination of Compound Sulphonamide Preparations Using Metanil Yellow as Internal Indicator.
    M.M. Amer and M.I. Walash.
    J. Drug Research 1(2), 11, 1968.
  113. Complexometric Determination of Sulphamerazine and Some Polysulpha Preparations.
    F. Said, M.M. Amer and M.I. Walash.
    Bull. Fac. Pharmacy 4, 199, 1967.
  114. Method for the Determination of Some Oral Hypoglycemics.
    F. Said, M.M. Amer and M.I. Walash.
    Egypt. Pharm. Bull. of the Pharm. Soc. Cairo 10th FAN,
    Arab. Pharm. Conference 6, 469, 1966.
  115. Detection and Semimicro Determination of Sulphathiazole.
    F. Said, M.M. Amer and M.I. Walash.
    Bull. Fac. Pharmacy, 2,1, 1964.
  116. Semimicro Determination of Sulphadiazine.
    F. Said, M.M. Amer and M.I. Walash.
    Ibid. 3, 9, 1964.
  117. Semimicro Determination of Sulphacetamide.
    F. Said, M.M. Amer and M.I. Walash.
    Egypt. Pharm. Bull. 44, 477, 1962.
  
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Address : Faculty of Pharmacy, Mansoura University, Al-Mansoura, Egypt
Phone : 002-050-247496
Fax : 002-050-247496
E-mail : mwalash@mum.mans.eun.eg