CHEMISTRY DEPARTMENT
    FACULTY OF SCIENCE
ALEXANDRIA UNIVERSITY
   ALEXANDRIA - EGYPT
 

LIST OF PUBLICATIONS
Prof. Dr. Mamdouh S. Masoud
============================

1. Spectrophotometric study of the palladium (II) dinitrosoresorcinol reaction. R.M. Issa, S.E. Zayan and M. S. Masoud, J. Chem. UAR 12, 309 (1969).

2. Physicochemical studies on the Co (II) and Ni (II) dinitrosoresorcinate complexes. S.E. Zayan, N.A. Ibrahim and M.S. Masoud, Bull. of the Faculty of Science, Alexandria, XI, 3, 185 (1971).

3. Pysicochemical studies on ethanolamine complexes. T.M. Salem, R.M. Issa and M.S. Masoud, Egypt J. Chem., 16, 283 (1973).

4. Studies on ethanolamines and their complexes. M.S. Masoud, T.M. Salem and R.M. Issa, Egypt J. Chem., 17, 415 (1974).

5. Spectral and magnetic studies on iron and palladium 1,4-naphthoquinone complexes. M.S. Masoud, T.M. Salem and M.H. Amin, Rocz. Chem., 49, 1981 (1975).

6. Polarographic study of As (III) triethanolamine reaction. M.S. Masoud and T.M. Salem, J. Electro.Anal. Chem., 66, 117 (1975).

7. Study of passivation on metal electrodes having semiconductor properties. T.M. Salem, A. Ismail and M.S. Masoud. The third international congress of Iranian Chem. Soc. Shiraz, Iran, 28 March (1975).

8. Investigation of ligands with nitro and nitroso groups & their metal complexes. T.M. Salem, M.M.Osman, M.S. Masoud, M. Makhyon and N.J. Gayed. First Egyptian conference on material science and technology, Tanta University, p. 41, 2 May (1976).

9. Polarographic studies on complexes of Pd (II) & Co (II) with triethanolamine reaction.M.S. Masoud, T.M. Salem and R.M. Issa, Indian J. Chem., 15A, 721 (1977).

10. Coordination compounds of ethanolamines with nickel (II) salts.M.S. Masoud, J. Inorg. Nucl. Chem., 39, 413 (1977).

11. Coordiantion chemistry of some azo compounds with cobalt, nickel and copper salts.M.S. Masoud T.M. Salem and M. A. Elhenawy. International conference on coordination chemistry, XVIII, Sao Paulo, p. 26, 18 July (1977).

12. Electronic spectral properties&the stabilities of dinitrosoresorcinol sulfonate.M.S.Masoud,A.M.Khalil and I.I.Abd Elgawad,Indian J.Chem.,15A,468(1977).

13. Coordiantion chemistry of dinitrosoresorcinol with copper, nickel, cobalt, iron and zinc salts. M.S. Masoud, T.M. Salem and M.M. El Essawi, Monatsh 109, 221 (1978).

14. The role of the mixed solvents on the stability of metal ethanolamine complexes. M.S. Masoud. The fifth Arab chemical conference, Cairo, p. 86, 18 February (1978).

15. The kinetics of oxidation of diethanolamine with hexacyanoferrate. M.S. Masoud, T.M. Salem and F. M. Ashmawy, Revue Roumaine de chimie, 23, 1367 (1978).

16. Spectrophotometric studies on copper and iron dinitrosoresorcinol sulfonate complexes. M.S. Masoud, T.M. Salem and M.M. Osman and H. El Naggar, Z. Anal. Chem., 289, 207 (1978).

17. Solvent extraction of metal dinitrosoresorcinol complexes.M.S.Masoud , M.M.Osman and  H.El-Naggar ,Z.Anal.Chem.,289,207(1978) .

18. Potentiometric & Spectrophotometric Determinations of Dissociation Constants of ß-Diketoarylazo Compounds. M.S. Masoud, A.M.Kaddah, A.M.Khalil & N.I. Tawfik, Indian J. Chem., 17A, 297 (1979).

19. Electrical conductivity mechanisms in inorganic solids. T.M. Salem, M.M. Osman, M.S. Masoud, M.F. El-Shazly and M.M. Abousekkina, Al-Physica 2 (1) 43 (1979). The First Arab Conference in Physics and Mathematics, Baghdad, 16^th March (1978).

20. Structural chemistry of some azo transition metal complexes. M.S. Masoud, M.M.Osman, T.M. Salem and I.A. Khalil, XX International conference on coordination chemistry, India 10 December (1979).

21. Stability of iron (III) azido complexes and its dependance on the nature of added anions. M.S. Masoud and A.O. Baghalf, Bull. of the Faculty of Science, KAU, Jeddah, 3, 103 (1979).

22. Equilibrium studies of ß-diketo arylazo compounds with cobalt (II), nickel (II) and copper (II) salts. M.S. Masoud and F.El-Zawawy, Talanta 27, 766 (1980).

23. The use of 2,4-dinitrosoresorcinol-6-sulfonate as a microanalytical reagent for the spectrophotometeric determiantion of iron and copper. M.S. Masoud, 8^th international microchemical symposium, p 33, No. 98, Graz - Austria, 25 August (1980).

24. Studies on palladium (II) 2,4-dinitrosoresorcinol-6-sulfonate complexes. M.S. Masoud and S.A. Ghonaim, Polish J. Chem., 54, 651 (1980).

25. Structural chemistry of substituted nitrosophenol complexes. M.S. Masoud, XXI international conference on coordiantion chemistry, Tolouse-France, 7 July (1980).

26. The role of solvents on the behaviour of some azo compounds. M.S. Masoud, V international symposium on solute-solute-solvent interactions, Florence-Italy, 2 June (1980).

27. Chemical equlibria and structural chemistry of nitroso compounds and their complexes. M.S. Masoud, The first international conference in Africa, Nairobi-Kenya, 28 July (1980).

28. Extraction of iron (III) azido complexes with mono-octyl-α-anilino -benzylphosphonate. M.S. Masoud and B.R.El Haj, Indian J. Chem., 20A (1) 101 (1981).

29. pH and spectral studies on some azo compounds. M.S. Masoud, T.M. Salem and M. El Henawy, Indian J. Chem., 20A (3) 297 (1981).

30. Studies on osmium-quinisatine oxime reaction. M.S. Masoud, M.M. Osman and H.A. El Naggar, Revue Roumaine de Chimie, 26 (7) 961 (1981).

31. Structural chemistry of substituted nitrosophenol complexes: copper complexes. M.S. Masoud and S.S. Haggag, 28^th IUPAC Congress, Vancouver, British-Columbia, Canada, 16 August (1981).

32. Structures and physicochemical properties of some azo compounds. M.S. Masoud, T.M. Salem and M. El-Henawy, Synth. React. Inorg. Met. - Org-Chem., 11 (6) 577 (1981).

33. Electronic absorption spectra of substituted phenols. M.S. Masoud and G.Y.Ali, J. Chinese Chem. Soc., 28, 103 (1981).

34. Interaction of nitroso ligands with Fe (III), Co (II), Ni (II) and Cu (II). M.S. Masoud and S.S. Haggag. Golden Jubilee conference, Auckland, New Zealand, 23 August (1981).

35. Interaction of Palladium (II) with Aminoalcohols. M.S. Masoud and A.F. Abdul Moneim, Bulgarian Academy of Sciences XIV, (4), 399 (1981).

36. Solution equilibria and structures of the interaction of diglycollic acid with iron (III), cobalt (II) and copper (II) salts.M.S. Masoud and A.F. Abdul Moneim, Bulgarian Academy of Sciences XIV, (4), 399 (1981).

37. Acid dissociation constants of some 2-hydroxy-5-methyl-4-substituted azobenzenes & formation constants of their chelates with iron (III), cobalt (II), nickel (II) and copper (II). M.S. Masoud, M.M. Osman, T.M. Salem and E. A. Khalil, Indian J. Chem., 20A, 584 (1981).

38. Coordination chemistry of some azo compounds. 2-Carboxyphenylazo-b-naphthol and 4-carboxyazo-b-naphthol with iron (III), iron (II), cobalt (II), nickel (II) and copper (II) salts. M.A. Goher, M.S. Masoud and A.M. Heiba, Polish J. Chem., 55, 1491 (1981).

39. Studies on iron (III), cobalt (II) and nickel (II) azido complexes. M.S. Masoud, T.M. Salem and M.M.Amer, Revue Roumaine de Chimie, 27 (2) 235 (1982).

40. Role of mixed solvents on the stability of ethanolamine complexes. M.S. Masoud and A.A. Abdullah, J. Chem., Eng. Data 27 (1) 60 (1982).

41. Solvent extraction of metal nitroso complexes. M.S. Masoud, 8 International conference on non-aqueous solutions, France, 19 July (1982).

42. Equlibrium for the interaction between hematoxylin and iron (III), cobalt (II), nickel (II) and copper (II). M.S. Masoud and S.S. Haggag, Indian J. Chem., 21A, 323 (1982).

43. Neptonium reduction by hydrazine and hydroxylamine. H.A. El Naggar, A. Gouirese and M.S. Masoud, Radiochimica Acta, 31 (1-2) 51 (1982).

44. Equlibrium studies of some azo compounds with cobalt (II), nickel (II) and copper (II). M.S. Masoud ,VI international sympsium on solute-solute-solvent interactions, Japan, p 38, 5 July (1982).

45. Polarographic study of As (III) triisopropanolamine reaction. M.S. Masoud and M.M. El Essawi, Z. Phys. Chemie 263, 55, 1045 (1982).

46. Synthesis and characterization of some nickel (II) schiff bases complexes. M.S. Masoud and L.S. Refaat, Transition Metal Chemistry 7, 315 (1982).

47. Interaction of some nitroso compounds with copper (II), cobalt (II) and nickel (II) in solutions. M.S. Masoud and T.M. Salem, VI international symposium on solute-solute-solvent interactions, Japan, p. 226, 9 July (1982).

48. Role of solvents on the pKa values of ortho and para nitrobenzylhalides. A.A. Abdullah and M.S. Masoud , Egypt J. Chem., 26, 435 (1983).

49. Substituent and solvent effects on the spectral properties of arylazo-b-naphthyl-amine. M.S. Masoud, A.A. Abdullah and F.N.Khairy, the Indian Textile Journal, 103 (1983).

50. Electrical conductivity of 2,4-dinitrosorcinol and its complexes. M.S. Masoud, B.S.Farag, T.M. Salem and M.M. El Essawi, J. Noncrystalline Solids, 55, 209 (1983).

51. Complexes of 2,4-dinitrosoresorcinol-6-sulfonate and 1-hydroxy-2-nitroso-3,6-disulfonate naphthalene with iron, cobalt, nickel and copper salts. M.S. Masoud, T.M. Salem and M.M. El Essawi, Synthesis and reactivity in inorganic and metal-organic chemistry, 13 (1), 79 (1983).

52. The use of 2,4-dinitrosoresorcinol as a microanalytical reagent for the determination of platinum (IV). M.S. Masoud and A. El-Dissouky, SAC, Edinburg-England, 17 July (1983). Analytical Proceedings 20 (6) 303 (1983).

53. Substituent effects on the dissociation constants and the strength of the hydrogen bond in some azo cresol compounds.M.S. Masoud, S.A. Abou-Ali, G.Y.Ali & M.A. El-Dessouky, XXII International conference on Coordination chemistry, Budapest, Hungary, 23 August (1982); J. Chem. Eng. Data 28, 297 (1983).

54. Synthesis and characterization of barbituric acid and thiobarbituric acid complexes. M.S. Masoud, A.M. Heiba and F. M. Ashmawy, Transition Metal Chemistry, 8, 124 (1983).

55. Spectrophotometric studies on gold and chromium azide reaction. M.S. Masoud, T.M. Saleman M.H. Amer, Bulg. acad. sci., 16, 3 (1983).

56. Synthesis and characterization of platinum (IV)-ethanolamine complexes. M.S. Masoud, G.Y. Ali and A.F. Abdul moneim, Reviews in Inorganic Chemistry, 5 (2), 207 (1983).

57. Characterization of metal complexes of 2-hydroxy-5-methyl azobenzene and 2,4-dihydroxy-2-carboxy azobenzene. M.S. Masoud, M.A. Goher and A.M. Heiba, Reviews in Inorgnaic Chemistry, 5 (4) 407 (1983).

58. Acid dissociation constants of some schiff bases M.S. Masoud, and F.M. Elzawawy, Indian J. Chem., 23A (2) 149 (1984).

59. Structural chemistry studies of hydroxyanthraquinone complexes. M.S. Masoud, M.S.Tawfik and S.E. Zayan, Synthesis and reactivity in inorganic and metal-organic chemistry. 14, 1 (1984).

60. Metal chelates of heterocyclic nitrogen containing ketones. Synthesis and characterization of platinum (II) complexes of syn-2-picolyl phenyl ketoxime. The phenomena of isomerism. M.S. Masoud and A. El-Dessouky, Transition Metal Chemistry. 9, 337 (1984).

61. Acid-Base Properties of some oximes and their behaviour towards Co (II), Ni (II) and Cu (II). M.S. Masoud, G.Y. Ali and A.R. Yousef, New Trends in Chemistry. The role of analytical chemistry in national development. p. 33, Cairo, 3-7 January (1984).

62. Electron spin resonance and mass spectra of substitued azo-cresol complexes.M.S. Masoud and M.M. El-Esssawi, J. Chem., Eng. Data 29, 363 (1984).

63. Interaction between Cystine, Cysteine and Methionine and Cobalt (II), Nickel (II) and Copper (II) Salts. M.S. Masoud, B. Abdelnaby and O.E. Abd El-Hamid, New Trends in Chemistry. The role of analytical chemistry in national development, p. 36, Cairo,3-7 January (1984).

64. Spectral Studies on Some Azo Compounds. M.S. Masoud, A.A. Hasanein and A.M. Heiba, Spectroscopy Lett. 17 (8), 441 (1984).

65. The use of 4-Substituted-3-Hydroxyquinoline-2-One for Micro-determination of Fe (III). M.S. Masoud, Y.S.Mohamed, F.F. Abdel-Latif and E.A. Soliman, New Trends in Chemistry, the Role of analytical chemistry in national development, p. 35, Cairo, 3-7 January (1984).

66. Synthesis and characterization of 5-(substituted phenylazo) barbituric acid complexes. M.S. Masoud, T.M. Salem and Z. Zaki, XXIII International Conference on Coordiantion Chemistry, p. 372, Colorado, USA, July 29-August 3 (1984).

67. Electronic spectral studies on compounds containing nitroso group. M.S. Masoud M.A. El-Dessouky and S.S. Haggag, Spectroscopy Lett., 18 (4), 251 (1985).

68. Interaction of Zr (IV) and Hf (IV) with the bis-(salicylidine)-o-phenylene-diamine compound. M.S. Masoud, H.A.El Naggar and F. N. Khairy, Bulgarian Chem. Commun. 18 (2) 304 (1985).

69. Substituent effect on the stability of complexes of iron (III), cobalt (II), nickel (II) & copper (II) with azocresols. M.S. Masoud, H.M. El-Nahas and E.A. Khalil, Ind. J. Chem., 24A, 347 (1985).

70. Spectral study on barbituric and thiobarbituric acids. A.A. Hasanein, M.S. Masoud and A.M. Heiba, Current Science, 54 (2) 1165 (1985).

71. Electronic spectral properties on some nitroso compounds. M.S. Masoud and A.A. Hasanein, 6^th world spectroscopy conference, Austria, 13-14 May (1985).

72. Geometry of New Iron (III) and Copper (II) Azo-Nitroso complexes. M.S. Masoud, A. El-Dissouky and E.E. Ghatwary, Trans. Met. Chem., 11, 161 (1986).

73. Spectral properties of some azo compounds and complexes. M.S. Masoud and A.M. Heiba, Colloquium Spectroscopicum Internationale XXIV, No-186, Dortmund, West Germany, 15-21 September (1985).

74. Spectrophotometric & Potentiometric Studies of Some Multidentate Schiff Bases & Their complexes. M.S. Masoud, A.Akelah and S.S. Kandil, Ind. J. Chem., 24A, 855 (1985).

75. Palladium (II) and Platinum (IV) with Biologically Active Barbituric and Thiobarbituric Acid Compounds. M.S. Masoud and S.S. Haggag, N. Up 4,37, 30 th IUPAC Congress, Manchester 9-13 September (1985).

76. Stability Constants of Lanthanide (III) & Co (II), Ni (II) & Cu (II) Complexes of 5-(2-Substitued Phenylazo) barbituric acid. M.S. Masoud, N.A. Ibrahim, S.A. AbouAli, G.Y. Ali and I.M. Abed, Ind. J. Chem., 25A, 389 (1986).

77. EPR Studies of CuCl₂ - ethanolate complexes. S. Hedewy, S.KK. Hoffman, M.S. Masoud and J. Goslar, Spectr. Lett., 19, 917 (1986).

78. Complexing properties of some azo compounds. M.S. Masoud and A.R. Yousef, XXIV International Conference on Coordiantion Chemistry, Athens, Greece, A6, p. 400, 24-29 August (1986).

79. Mixed ligand compexes of copper (II)-4-nitrobenzeneazoresorcinol complex with unidentate ligands. M.S. Masoud, A. M. Hafez and H. El-Nahas, Bull. Faculty of Science, Alexandria, 26, 141 (1986).

80. Spectroscopic and structural aspects of azo compounds. M.S. Masoud and A.R. Yousef, 10^th International Conference on Non-Aqueous Soultions, Heverlee-Belgium, 17-21 August (1986).

81. Spectral Studies on the Magnetically Anomalous Ni (II) Complexes of Sustituted phenylazo-2,4-Dinitrosoresorcinol Compunds. M.S. Masoud, A. El-Dissouky and E.E. Ghatwary, Polyhedron, 5, 1867 (1986).

82. Conducting properties of some azo complexes. M.S. Masoud, E.A. Khalil and M. E. Kassem, Reactivity of Solids 2, 269 (1986).

83. The use of azo compounds in the sea water analysis. M.S. Masoud, T.M. Salem, S.D. Wahby and Z. Zaki, 10^th International Symposium on Microchemical Techniques, Antwerp, Bellgium, August 25-29 (1986).

84. Studies on Some Monomeric & Polymeric Schiff Bases Derived from 5-Vinyl salicylaldehyde Derivatives & Their Metal Complexes. A. Akelah, M.S. Masoud and S.A. Kandil, Ind. J. Chem., 25A, 918 (1986).

85. Coordinating Behaviour of Some Oximes. M.S. Masoud, G.Y. Ali and A.R. Yousef, Polish J. Chem., 60, 73 (1986).

86. Electronic spectral studies on nickel (II) halides. M.S. Masoud and N. E. Khalil, Affinidad, 44, 37 (1987).

87. Solvent effects on the absorption spectra of some azo compounds. A.A. Hasanein, M.S. Masoud and A.M. Heiba, The Indian Textile Journal, 3, 110 (1987).

88. The behaviour of p-Nitrobenzeneazoresorcinol. Thermodynamic parameters of ionization and its complexing properties. M.S. Masoud A.M. Hafez and H.M. El-Nahas, Bull. Fac. Sci. Alex., 27, 105 (1987).

89. Ligation properties of ethyl-6[2-(3-methyl-benzofuranyl) -5-methyl-2,4-dioxohexenoate] with cobaltt (II), nickel (II), copper (II) and Palladium (II) M.M. El-Essawi, H.Mokhtar and M.S. Masoud, Ind. J. Chem., 26A, 880 (1987).

90. Role of mixed solvents and thermodynamic parameters on the acidity constants and the strength of hydrogen bond in triethanolamine. M.S. Masoud, N.A. Ibrahim, G.Y. Ali and S.A. Abou Ali, Bull. Fac. of Science, Minia, 1,37 (1987).

91. Solution Equlibria and Structures of Some 2-Quinolone Iron (III), Cobalt (II), Nickel (II) andCopper (II) Complexes. M.S. Masoud, F. Taha, E.M. Soliman and Y. S. Mohamed, Synth. & React. Inorg. Met. - Org. Chem., 17, 881 (1987).

92. Thermodynamic parameters of ionization of 5-(2-Substituted phenylazo) barbituric acids. M.S. Masoud, S.A. Abou Ali, G.Y. Ali and I.M. Abed, Thermochim. Acta 122, 209 (1987).

93. Electronic spectral study of barbituric and thiobarbituric acids with molecular orbital calculations. A.A. Hasanein, M.S. Masoud and A.M. Heiba, J. Chem. Soc. Pak., 9 (2), 199 (1987).

94. Spectrophotometric studies on some azo compounds and their complexes. M.S. Masoud, A. M. Hindawy and A.A. Soayed, 8th International Symposium on Solute-Solute-Solvent Interactions, L 3.18, p. 188, University of Regensburg, 9-10 August (1987).

95. Spectroscopic investigations on phenylazobarbituric acid and its palladium complexes. M.S. Masoud and S.S. Haggag, 8^th International symposium on solute-solute-solvent interaction, p 3.03, p. 210, University of Regensburg, 9-10 August (1987).

96. Electrical conductivity of some azo complexes containing sulphur. M.S. Masoud , M. E. Kassem, Y. Abd El-Aziz and S. Massoud, X Conference on Solid State Science and Applications, p. 46, 6-9 April (1987).

97. Conducting properties of 3-amino-4-(substituted phenylazo)-5-(1H)-pyrazolone ligands and their complexes. M.S. Masoud, M.E.Kassem, S. Hedewy and A.R. Yousseff, First Regional Symposium of Materials Science (In The Arab States), T 29-31 December (1987).

98. Reactivity and Chelate Effect of Triethanolamine Complexes Derived from Cobalt (II), Nickel (II) and Copper (II) Salts. M.S. Masoud and M.A.El-Dessouky, Journal of the Iraqui Chem. Soc., 12, 1 (1987).

99. Structural views on some cobalt azo barbiturate complexes. M.S. Masoud and S.S. Haggag, Third National Symposium on Grystallography, Cairo, Academy of Scientific Research and Technology, National Committe of Technology, 26-27 January (1988).

100. Dissociation Constants of Disubstituted Phenylazo Barbituric and Thiobarbituric Acid Compounds and the Stability Constants of Their Transition Metal Complexes. M.A. El-Dissouky, M.S. Masoud, F. Ali and S. Abou El-Enein, Affinidad, 416, 321 (1988).

101. Effect of temperature on the electrical conductivity of some 4-(substituted)- 3-hydroxy-2-quinoline ligands and their complexes. M.S. Masoud, E.M. Soliman and M. E. El-Shabasy, Thermochimica Acta 125, 9 (1988).

102. The behaviour of some cobalt, nickel and copper amino acid complexes at different temperatures. M.S. Masoud, B.A. Abd El-Naby, E.M. Soliman and O.H. Abd El-Hamid, Thermochimica Acta 128, 75 (1988).

103. Synthesis and Stereochemistry of New Cobalt Azo-Nitroso Complexes. M.S. Masoud, A. El-Dessouky and E.E. Ghatwary, Inorg. Chim. Acta 141, 119 (1988).

104. Spectral Studies on some 2-quinolones. M.S. Masoud, Y.S. Mohammed, F.F. Abd El-Latif and E.M. Soliman, Spectr. Lett., 21, 481 (1988).

105. Thermal studies on some cobalt-substituted phenylazo barbituric acid complexes. M.S. Masoud and S.S. Haggag, 5^thWorld Conference on Thermal Analysis, Corfu, Greece, May 16-17 (1988).

106. Temperature and substituent effects on the dissociation constants of some 5-(p-substituted phenylazo) barbituric acid compounds. M.S. Masoud, E.M.Soliman, A.E. El-Kholy and E.A. Khalil, Thermochemica Acta, 136, 1 (1988).

107. Spectral studies on some phenol derivatives. A.A. Hassanein, M.S. Masoud and M.M. Habeeb, Spect. Lett., 21, 4 (1988).

108. Effect of Fast Neutron Irradiation on the Electrical conductivity of Some Azo Pyrazolones at Different Temperatures. M.S. Masoud A. El-Khatib, M.Kassem and A.R. Yousef, J. of Mater. Sci. Lett., 7, 1291 (1988).

109. Spectral studies on some trasition metal complexes derived from some phenols, nitroso and azo ligands. M.S. Masoud, M.M. El-Essawi and A. M. Amr, Reviews in Inorg. Chem.,19, 295 (1988).

110. Structural studies of 3- amino-4- (substitutedphenylazo) -(1H)- pyrazolone complexes. M.S. Masoud, A.R. Youssef and M.A. Mostafa, Trans. Met. Chem., 13, 253 (1988).

111. Synthesis and characterization of 5-(substituted arylazo) thiobaroituric acids and their complexes. M.S. Masoud and Z.M. Zaki, Trans. Met. Chem., 13, 321 (1988).

112. Solvent effects on the electronic absorption spectra of disubstituted phenylazobarbituric acids. M.S. Masoud, M.A. El-Dessouky, F.Aly and S.A. Abu El-Enein, 2^nd Chemistry Conference, Fac. of Sci.,Alex. Univ. 28-30 June (1988), 178, 196.

113. Mehanistic Reaction Between Platinum (IV) and Ethanolamines. M.S. Masoud and S. Abou El-Enein, 2^nd Chemistry Conference, Fac. of Sci., Alex. Univ., 188, 209 (1988).

114. Palladium (II)-kojic acid interaction. M.S. Masoud and S.A. Abou El-Enein, Trans. Met. Chem., 14, 155 (1989).

115. Structural chemistry views on some azo phenol ligands and their metal complexes. M.S. Masoud Z.M. zaki and M. El-Demerdash, 2^nd Chemistry Conf., Mansoura University, p. 273, 27-29 Septmeber (1989).

116. Electronic spectral proprties of some Azo Compounds in presence of different solvents. M.S. Masoud, Z.M. Zaki and M.El-Demerdash, 2^nd Chemistry Conf., Mansoura University, 231, 27-29 September (1989).

117. Studies on the interaction of UO₂^II and Fe ^III with vitamin B₁. M.S. Masoud, M. Khater and N. El-Guindi, J. Iraqi Chem., Soc., 13, 177 (1988).

118. Structural Chemistry studies on some amino acid complexes. M.S. Masoud and O. Abd El-Hamid, Trans. Met. Chem., 14, 23 (1989).

119. Synthesis and Characterization of New 5-(o-Substituted arylazo) Barbituric Acid Transition Metal Complexes. M.S. Masoud, E.M. Soliman and A.M. Heiba, Trans. Met. Chem., 14, 175 (1989).

120. Temperature and substituent effects on the ionization of some disubstituted arylazo barbituric and thiobarbituric acid compounds. M.S. Masoud and S. Abou El-Enein, Thermochimica Acta 140, 365 (1989).

121. Synthesis and analytical spectroscopic methods for elucidating the structure of some substituted phenylazo kojic acids. M.S. Masoud, S.A. Abou Ali and I.I. Abed, The second international symposium on new trends in chemistry in national development, No. 5, p. 15, January 2-7, 1989, Cairo university, Egypt.

122. Colour and mode of ionization of thiazolylazo compounds. M.S. Masoud and O.F. Hafez, The Second international symposium on new trends in chemistry, the role of analytical chemistry in national development, No., 3, p. 18, January 2-7, 1989, Cairo university, Egypt.

123. Conducting Properties of Some New Azo-Nitroso Complexes M.S. Masoud, Z. Zaki and F.M. Ismail, Thermochemica Acta 156, 225 (1989).

124. Differential pulse polarography of some cephalosporins and their degradation products. G.B. Mohamed, M.S. Masoud, A.M. Hindawy and R.H. Ahmed, Alex. J. Pharm. Sci., 3 (2) 192 (1989).

125. Study of the polarographic behaviour of some heterocylic compounds and their transition metal complexes. G.B.Mohamed, M.S. Masoud, A.M.Hindawy and N.A.Obeid, Alex. J.Pharm. Sci., 3(2) 192 (1989).

126. Solid-state thermal polymorphic transformation for some solvents of some azo complexes. M.S. Masoud, A.M. Donia and S.A. Abou El-Enein, Thermochimica Acta 161, 217 (1990).

127. Temperature. Electrical Conductivity Relation for 5-Nitro, 6-Nitro-benzimidazoles and their metal complexes. M.S. Masoud, M. Kassem, A. El-Dessouky, G.B. Mohamed, A. M. Hindawy and N. Obeid, Thermochemica Acta 159, 215 (1990).

128. 5-(o-Hydroxyphenylazo) thiobarbituric acid as a selective and spectrophotometric reagent for the microdetermination of copper (II). M.S. Masoud and Z.M. Zaki, Bull. Fac., Sci., Mansoura Univ., 17, 71 (1990).

129. Crystal Structure and Mass-Electronic - Infrared Spectral Studies on Hexaaqua Ni (II) Bis (o-Tolylazo-citrazinate) Hexa hydrate Complex. M.M. el-Essawi, M. S. Masoud, A.M. Amr and F. Weller, Spectro. Lett., 23, 175 (1990).

130. Transition metal (disubstitued phenylazo) -barbituric and thiobarbituric acid compleexes. M.S. Masoud, M.A.El-Dessouky, F.A.Aly and S.A.Abou El-Enein, Trans. Met. Chem.,15, 443 (1990).

131. Ligating properties of some arylazo-barbituric acids. M.S. Masoud E.A.Khalil and A.R. Youssef, Synth. React. Inorg. & Met.-Org. Chem., 20, 793 (1990).

132. Mass spectra and x-ray studies on some ethanolamine and quinoline complexes. M.S. Masoud, M.M. El-Essawi and A.M. Amr, Synth. React. Inorg. & Met.-Org. Chem., 20, 839 (1990).

133. Thermal and electrical behaviour of nickel (II) and copper (II) complexes of 4-acetamidophenylazo-p-cresol. M.S. Masoud, E.A. Khalil, E.E. El-Shereafy and S.A. Abou El-Enein, J. of Thermal Analysis, 36, 1033 (1990).

134. Thermadynamic parameters of ionization of kojic acid and its coordinating behaviour towards transition metals. S.A. Sallam, S.S. Haggag and M.S. Masoud, Thermochimica Acta 168, 1 (1990).

135. Temperature and structure effects on the electrical conductivity properties of some azo compounds and their copper (II) complexes. M.S. Masoud, S.S. Haggag, E.M.Soliman and M.El-Shabasy, J. of Material Science 26, 1109 (1990).

136. Dissociation constants and solvent effect on the behaviour of some azopyrazolone compounds. M.S. Masoud, E.A. Khalil and A.R. Youssef, Oriental J. of Chem., 6, 268 (1990).

137. Thermodynamic parameters of ionization of some azo compounds. M.S. Masoud and E.A. Khalil, 11^th IUPAC conference on chemical thermodynamics, Section 0-6, Como, Italy, August 26-31 (1990).

138. The reactivities of some azo compounds. M.S. Masoud, A.G. Nasar, A. Shawky and M. El-Dakiky, 2^nd Symposim meeting for dyes, ismadye coop. Egcdar, Alexandria 7-8 March 1990.

139. Factors affecting the stability of disubstituted phenylazo barbituric acid complexes. M.S. Masoud and S.S. Haggag, 9^th Arabian Chemistry Conference, Kuit. 15-19 December 1990.

140. Cobalt (II), Nickel (II) and Copper (II) Complexes of Syn-2-Picolyl Phenyl and Syn-2-Quinaldyl Phenyl Ketoximes. M.S. Masoud, A.M.Hindawy, A. El-Dessouky, G.B.Mohamed and T.M. Abd El-Fattah, Trans. Met. Chem., 16, 181 (1991).

141. Electrical conductivity properties of some o-substituted arylazo barbiturate complexes at different temperatures. M.S. Masoud, S.A. Abou El-Enein and E. El-Shereafy, J. of Thermal Analysis, 37, 365 (1991).

142. Spectral properties of azo compounds. 5-(4-substituted phenylazo) barbituric acids. M.S. Masoud and E.A. Khalil, Polish J. Chem., 65, 933 (1991).

143. Programmed electronic absorption spectra of disubstituted phenylazobarbituric and thiobarbituric acids in different solvents. M.S. Masoud, M.A. El-Dessouky, F.Aly and S. Abou El-Enein, XXVII Colloqium spectroscopicum international, Bergen, Norway, June 9-14 (1991).

144. Electronic spectral properties of iron-azido complexes in presence of different solvents. M.S. Masoud and N.M. El-Mallah, XXVII colloqium spectroscopicum internationale, Bergen, Norway, 9-14 June (1991).

145. Electrical conductivty of some azo complexes containing sulphur. M.S. Masoud, M.E.Kassem, Y. Abd El-Aziz and S. M. Khalil, Bull. Fac. Sci., Mansoura University, 18, 105 (1991).

146. Solvent effects on the electronic absorption spectra of some 6-arylazo-2, 4-Dinitrosoresorcinol Derivatives. M.S. Masoud, S.A. Abou El-Enein and E. El-Shereafy, J. of Thermal Analysis, 37, 365 (1991).

147. New trends on the structural chemistry of some transition metal nitroso complexes in presence of different solvents. M.S. Masoud, S.S. Haggag and S.A.Abou El-Enein, Delta J. Sci., 14, 1511 (1990).

148. Spectral methods for tracing the complexes formed on the interaction of barbituric and thiobarbituric acids with iron (III). M.S. Masoud, M.A. El-Dessouky, F. Aly and S.Abou El-Enein, XXVII Colloquium Spectroscopicum internationale, Bergen, Norway, 9-14 June (1991).

149. ¹H-Nuclear Magnetic Resonance and Infrared Spectral Studies of 3-Amino Substituted Phenylazo-5-(1H) pyrazolones. M.S. Masoud, H.M. El-Nahas and A.R. Youssef. Bull. Fac. Sci. Mansoura University, 18, 93 (1991).

150. Solvent induced spectral shifts of some azo-oxime organic compounds. M.S. Masoud, A.M. Hindeawy, A.El-Dissouky, G.B. Mohamed and T. Abd El-Fattah, Affinidad, 435, 319 (1991).

151. Spectrophotometric and potentiametric studies of some oximes. M.S. Masoud, G.B. Mohamed, A. El-Dessouky, A.M. Hindaway and T.M. Abd-El-Fattah, Mu' tah Journals for Reasearch and Studies 6, 35(1991).

152. Structural chemistry of azo complexes. M.S. Masoud, A.M. Hindawy and A.A. Soayed, Trans. Met Chem., 16, 372 (1991).

153. Spectrophotometric and Potentiometric Studies on Some Azo Compounds and Their Complexes. M.S. Masoud, A.M. Hindawy and A.A. Soayed, Mu'tah Journals for Research and Studies 7, 237 (1992).

154. Thermal properties of some transition metal nitroso and thiobarbiturate complexes: Conductivity, Magnetism and Thermogravimetry. M.S. Masoud and S.S. Haggage, Thermochimica Acta, 196, 221 (1992).

155. Organo mercury compounds of barbituric acid. M.S. Masoud, E.A. Khalil and S.S. Haggag, Pak. J. of Sci. and Ind. Res., 35, 480 (1992).

156. Stereochemnistry and thermal behaviour of the new cobalt (II), nickel (II) and copper (II) complexes of 5-(2-thiazolylazo) barbituric and thiobarbituric acids at different temperatures. M.S. Masoud, S.A. Abou El-Enein and O.F. Hafez, J. Thermal Analysis 38, 1365 (1992).

157. Complexing properties of some 0-dihydroxyazo compounds. M.S. Masoud, A.G. Nassar, A.S. Abdel-Hamed and M.M. El-Dakiky, Acta Chimica Hungarica 129, 631 (1992).

158. Spectral properties of the reaction of thiouracil with copper (II) and Iron (III). M.S. Masoud, M.M. El-Essawi and A.M. Amr, XXI Congress on Molecular Spectroscopy, EUCMOS XXI, Technical University of Vienna, Austria August 23-28 (1992), Anal. Proc. 29, 370 (1992).

159. Ligation Properties of Some Imidazole Compounds G.B. Mohamed, M.S. Masoud, A. M. Hindawy and N.A.Obeid, Review in Inorg. Chem. 12(2)1992.

160. Substituent effects on the electrical conductivity properties of some new azothiouracil compounds and their cobalt (II) and copper (II) complexes at different temperatures.M.S. Masoud, E.El-Shereafy, E.A. Khalil and O.H. Abd El-Hamid, Egypt J. Anal. Chem., 2, 95 (1993).

161. Electronic transitions and computerized electronic spectral coefficients related to the solvent effects of some azo compounds of barituric acid. M.S. Masoud, S.S. Haggag, H.M. El-Nahas and N. Abd El-Hi, Acta Chim. Hung. 130, 783 (1993).

162. Temperature and Radiation Effects on the Electrical Conductivity Properties of zinc ‎‎and Cadmium Ethanolamine Complexes. M. S. Masoud, M.S. Tawfik and M.E. El-Shabasy, Bull. Fac. of Sci., El-Minia Univ., 6, 67 (1993).

163. Dissociation constants of arylazo orotic acid compounds and stability constants of their complexes. E.A. Khalil, M. S. Masoud and A. El-Marghany, Pak. J. Sci. Ind. Res., 36,68 (1993).

164. Electrical conductivity behaviour of 5-substituted arylazothiobarbituric acid complexes at different temperatures.M.S. Masoud, Z.M. Zaki, F.M. Ismail and A.K. Mohamed, Z. Phys. Chem. (N.F.) 185, S, 223 (1994).

165. Thiouracil-based cobalt (II), nickel (II) and copper (II) complexes. M.S. Masoud, O.H.A. El-Hamid and Z.M. Zaki, Trans. Met. Chem. 19, 21 (1994).

166. Phsicochemical studies of some mercury pyrimidine complexes. M. S. Masoud, S.S. Haggag, Z.M. Zaki and M.El-Shabasy, Spectroscopy Letter, 27, 775 (1994).

167. Radiation and temperature effects on the electrical conductivity properties of some disubstituted arylazobabiturate and thiobarbiturate compounds.S.A. AbouEl-Enein, M.S. Masoud, A. El-Khatib and S. Abd El-Aziz, Alexandria Engineering J., 33, D103, (1994).

168. Distribution of Some Trace Metals in River Nile Waters. M. S. Masoud, A.A. Alewa and F. K.Awad, Bull. Fac. of Sci., Assiut Univ., 23, 67(1994).

169. Thermal and Electrical Properties of Some Schiff-base Complexes. M. S. Masoud, M. El-Shabasy, M.S. Tawfik and A.F. El-Husseiny, Bull. Fac. of Sci., Assiut Univ., 23, 51 (1994).

170. Electrical conductivity properties of some thiazolylazopyrimidine derivative complexes at different temperatures. M. S, Masoud, O.F. Hafez and N.A. Obeid, Pak. J. Sci., and Ind. Res. 37, 421 (1994).

171. Limonological study on the Nile water of Egypt. M. S.Masoud, A. Elawi and A. Abd El-Halim, Bull. NCR, Egypt 20, 437 (1995).

172. Equilibria and structures of some barbiturate compounds. M. S. Masoud, H.M. El-Nahas and S.S. Haggag., Pak. J. Sci. Ind. Res., 38, 108 (1995).

173. Dissociation constants of arylazopyrazolone compounds and stability constants of their lanthanide complexs.M.S. Masoud, S.A. Abou Ali and I.I. Abed. First Mediterranean Basin Conference on Analytical Chemistry, Cordaba, Spain, November 5-10 (1995).

174. Equilibrium studies for the dissociation of some arylazokojic acid compounds and their lanthanide complexes.M.S. Masoud, S.A. Abou Ali and I.I. Abed. First Mediterranean Basin Conference on Analytical Chemistry, Cordaba, Spain, November 5-10 (1995).

175. Chemical equilibria for some thiazolylazo compounds and their complexes. M.S. Masoud, O.F. Hafez and A.A. Soayed, Bull. Fac. Sci., Assiut Univ., 24 B, 45(1995).

176. Differential Thermal Analysis and Electrical Conductivity Properties of Some Ethanolamine Complexes. M.S. Masoud, S.M. El-Rabie, A.M. Abed and A.E. Ali: The First International French-Lebanese Conference on Material Science, Beirut, P. 68, 9-12 October (1996); Lebanese Scientific Research Reborts, 2 (2) 578 (1997).

177. Computerized electronic spectral properties of some substituted arylazo citrazinic acid compounds in presence of different solvents. M.S. Masoud, A.A. Ibrahim, E.A. Khalil and A. El-Marghanv: The first International Conference on Basic Sciences and Advanced Technology, Faculty of Science, Assiut University, A 2-1, P. 18, 9 Nov.(1996); Bull. Fac. Sci., Assuit University, 25(3-B),17(1996).

178. Synthesis and Characterization of Aminoalcohol Complexes M.S. Masoud, S.A. Abou El-Enein, I.M. Abed and A.E. Ali. The First International Conference on Basic Science and Advanced Technology, Faculty of Science, Assiut University, A 6-1P. 27, 11 Nov. (1996).

179. Dissociation constants of 2-thiouracil azo compounds and the stability constants of their transition metal complexes. M. S. Masoud, S.S. Haggag and O.H. Abd El-Hamid, Revue Roumaine De Chimie 41, 21 (1996).

180. Computerized electronic spectral properties as substituted arylazothiobarbiturate compounds in presence different solvents, M.S. Masoud, A.K. Ghonaim and A.A. Mahmoud: The First International Conference on Basic Sciences and Advanced Technology, Faculty of Science Assiut University, A 5-1 P. 24, 10 Nov. (1996).

181. The dissociation constants of citrazinic acid and its arylazo compounds. M.S. Masoud, A.A. Ibrahim, E.A. Khalil and A. El-Merghany: The First International Conference on Basic Science and Advanced Technology, Faculty of Science, Assiut University AP7, P. 45, 11 Nov. (1996); Bull. Fac. Sci., Assuit University, 25(3-B),7(1996).

182. Dissociation constants of substituted arylazobarbituric acid and thiobarbituric acid.M.S. Masoud, A.K. Ghonaim and A.A. Mahmoud, The First International Conference on Basic Science and Advanced Technology, Faculty of Science, Assiut University AP8, P. 46, 11 Nov. (1996); Second Mediterranean Basic Conference on Analytical Chemistry 23-28 Nov. (1997), Robat (Morocco); 36^th Annual Eastern Analytical Symposium & Exposition, Somerset, New Jersey, USA; No. 525, p.27, 16-21 Nov. (1997).

183. The thermal behaviour of iron (III), cobalt (II), nickel (II) and copper (II) complexes of barbituric acid and its 5-phenylazobarbituric acid at different temperatures.M.S. Masoud, M.M. Ghonaim, and O. Heiba, Egypt J. Appl. Sci. 11, 302 (1996).

184. Mossbauer, infrared, electronic and magnetic properties of some nitroso iron complexes.M.S. Masoud, M.M. Mostafa and A.M. Ramadan. Egypt, J. Solids 19(2) 293 (1996).

185. Synthesis and structural chemistry of 2, 4-dinitrosoresorcinol, 1-nitroso-2-naphthol and 4-carboxy-2-nitrosophenol.M.S. Masoud, A.M. Hindawy, M.A. Mostafa and A.M. Ramadan, Spect. Lett. 30,1227 (1997).

186. Nitrosophenol complexes of transition metal salts. M.S. Masoud, S.S. Haggag,A.M. Ramadan and S.A. Mahmoud, Trans. Met. Chem. 23,343(1998).

187. Computerized electronic spectral properties of substituted arylazobarbiturate compounds in presence of different solvents. M.S. Masoud, A.K. Ghonaim and A.A. Mahmoud, 36^th Annual Eastern Analytical Symposium & Exposition, Somerset , New Jersey, USA; No. 525, p.27, 16-21 November (1997).

188. Some Environmental Analysis on Nile Water. M.S. Masoud, A.A.Elewa and A.Abd Elhalim, French-Lebanese Conference on Water and Health, Beirut, Lebanon 15-17 October (1998).

189. Factors affecting the precipitation and dissolution of calcium and magnesium carbonate in the sediments of River Nile, Egypt. A.A.Alewa, M.S. Masoud and F.K.Awad, French-Lebanese Conference on Water and Health, Beirut, Libanon 15-17 October (1998).

190. Electron paramagnetic resonance and magnetic behaviour of ethanolamine complexes, M.S. Masoud, A.M.Hafez and A.E.Ali, Spectr. Lett., 31,901 (1998).

191. Mossbauer spectra of iron complexes, M.S. Masoud, A. El-Marghany and M. Mostafa, XXXII International Conference on Coordination Chemistry of metal Ions in Everyday Life, Florence, Italy, p.725, August, 30 – September, 4, 1998.

192. Synthesis and structures of some schiff base complexes. M.S. Tawfik, M.S. Masoud, and A. F. El-Hussieny, XXXII International Conference on Coordination Chemistry of metal Ions in Everyday Life, Florence, Italy, p.418, August, 30 – September, 4, 1998.

193. The influence of organic matter on the distribution of some elements in the River Nile sediments in the region from Isna to Al-Kanater El-Khairia, A.A. Elewa, M.S. Masoud and F.K. Awad, Bull. Fac. Sci. Assiut Univ., 27(2B) 23 (1998).

194. Ligating properties of some azo-nitroso compounds.M.S. Masoud, E.A. Khalil, O.M. Fekry and S.A. Mokhtar, Third International Scientific Conference (Science, Development and Environment), Faculty of Science, Al-Azhar University, p.68, 22-25 March 1999.

195. Spectroscopic and thermal studies on some azo complexes.M.S. Masoud, E.A. Khalil, M. Hindawy and I. Fawzi, Third International Scientific Conference (Science, Development and Environment), Faculty of Science, Al-Azhar University, p.70, 22-25 March 1999.

196. Chemical and technological studies on N-cyclohexyl-2-benzothiazole sulphonamide, CBS, M.S. Masoud, S. Ismail, Third International Scientific Conference (Science, Development and Environment), Faculty of Science, Al-Azhar University, p.66, 22-25 March 1999.

197. Thermal studies of some pyrimidine complexes. M.S. Masoud, S.A. Abou El-Enein and H. M. Kamel, Third International Scientific Conference (Science, Development and Environment), Faculty of Science, Al-Azhar University, p.72, 22-25 March 1999.

198. Structural chemistry and thermal properties of some uracil, pyrazolone and triazine complexes, M.S. Masoud, R.H.A. El-Sayed, A.H. Mostafa and N.H. Abd El Moneium, The 5^th International Conference of Chemistry and its Role in Development, Department of Chemistry, Faculty of Science, El Mansura University, 19-22 April 1999.

199. Synthesis and structural chemistry of some transition metal complexes containing pyrimidine nucleus, M.S. Masoud, A. El Marghany, S.K. El Sadany and N. G. Ali, The 5^th International Conference of Chemistry and its Role in Development, Department of Chemistry, Faculty of Science, El Mansura University, 19-22 April 1999.

200. Computerized electronic spectral – solvent Related Coefficient and electronic transitions of Eriochrome Black T indicator and its cobalt, nickel and copper complexes, M.S. Masoud, H.H. Hamoud, International Conference on Scientific Computers (ICSC), Beirut, Lebanon, p.373, 15-17 March (1999).

201. Computerized electronic spectral properties of some azo-barbiturate compounds in presence of different solvents, M.S. Masoud, A.A. Hasanein, A.K. Ghonaim, E.A. Khalil and A.A. Mahmoud, Z. Fur Physikalische Chemie, Bd. 209, S. 223(1999).

202. Electronic spectral properties of some substituted azo uracil compounds,M.S. Masoud, A.M. Hindawy and R.H. Ahmed, Pak. J. Sci. Ind. Res. 42(1) 11 (1999).

203. Dissociation constants of arylazopyrimidine compounds and the formation constants of their cobalt, nickel and copper complexes. M.S. Masoud, E.A. Khalil, A.A. Ibrahim and A.A. Marghany, Z-fur Phys. Chemie, 211,13(1999).

204. Computerized electronic spectral properties of some azo-anthraquinone compounds. M.S. Masoud, S.A.Aboul Enein and A.A. Soayed, Bull. Fac. Sci., Assiut University, 28(2B), 21 (1999).

205. Synthesis and characterization of new azo – nitroso compounds and their Co, Fe, Cd and Hg complexes. M.S. Masoud, M. Abdul-Ghany and H.H. Hamoud, International Conference on Research Trends in Science and Technology RTST 2000, Lebanese American University, Beirut and Byblos, Lebanon p.143-147, March 6-8 (2000).

206.  Chemical treatment of chromium in the industrial effluent around Alexandria, M.S. Masoud, M.S. Hassouna, E.A. Shalapy E.I. El-Bestawy and K.M. El-Tayeb, 3^rd International Conference on Role of Engineering Towards Better Environment (Environmental Intergration for a New Mellenium), p.159-184, 18-20 November, Alexandria, Egypt (2000).

207. Computerized electronic spectral solvent related coeffecients and electronic transition of Eriochrom black T Idicator and its cobalt, nickel and copper complexes. M.S. Masoud, and H.H. Hamoud, Ultra Scientist of Physical Sciences, 12 (1), 12-16 (2000).

208. Dissociation constants of substituted arylazo babituric and thio barbituric acids. M.S. Masoud, A.K. Ghonaium, R.H. Ahmed, A.A. Mahmoud and A.E. Ali, Z.Fur. Phys. Chem., 215, 4, 531-542(2001).

209. Synthesis and structure of new Cobalt(II) Copper(II), Nickel(II) Copper(II) and Cobalt(II) Nickel(II) heteronuclear complexes containing monoethanolamine, M.S. Masoud, H.A. Motaweh and A.E. Ali, Ind. J. Chem. 40A, 733-737(2001).

210. Biological treatment of chromium contaminated tannery effluents. M.S. Hassouna, M.S. Masoud, E.A. Shalaby, E.I. El-Bestawy and K.M. El-Tayeb, Six International Water Technology Conference, IWTC, Alexandria, p.632(2001).

211.  Chemical Studies of El-Max Bay, Alexandria, M.S. Masoud, A. Elawi and A. Abd El-Halim, The second conference and Exhibition for Life and Environment, p.339, 3-5April, 2001, Alexandria, Egypt.

212. Electronic spectral properties of some substituted arylazothio barbiturate compounds in presence of different solvents, M.S. Masoud, S.A.Abou El-Enein and N.A. Obeid, Z. Fur Phys. Chem., 215, 7, 867 (2001).

213.  Fluoride distribution and the effect of interfering ions along Lake Edku in Egypt, W.M. El-Saraf, M.S. Masoud, A.A. Harfoush and Gh.F. El-Said, The Second Conference and Exhibition for Life and Environment, p.289-315, 3-5April, 2001, Helnan Plestine Hotel, Alexandria, Egypt.

214. Electronic spectral parameters of the azo indicators: methyl red, methyl orange, PAN, and fast black K-salt, M.S. Masoud and H.H. Hammud, Spectrochim. Acta,A 57, 977-984 (2001).

215.  Fluoride distribution and the effect of some ions along Alexandria Coastal Mediterranean Sea water, Egypt, M.S. Masoud, A.A. Harfush, W.M. El-Saraf and Gh. F. El-Sayed, The second international conference on present and future technology of navigation and marine sciences of of Mediterranean and red seas, El- Mahrousa, Alexandria, Egypt, 30^th Oct. - 1^st Nov. (2001).

216. Tungsten-188 / Ruthenium-188 Radioisotope Generator Based on 12-Molybdocerate (IV) Column Matrix, M.A. Al-Abasy, H. El-Saied and M.S. Masoud, Bull. Fac. Sci., Mansoura Univ., 28, 149-164 (2001).

217. Structural chemistry and thermal properties of some pyrimidine complexes M.S. Masoud, S.A. Abou El-Enein and H.M. Kamel, Ind. J. Chem., 41A, 297-303(2002).

218. Synthesis and characterization of amino alcohol complexes. M.S. Masoud, S.A. Abou El-Enein, I.M. Abed and A.E. Ali, J. Coord. Chem., 55, 153-178 (2002).

219. Ligating properties of 5-nitrobarbituric acid. M.S. Masoud, A.K. Ghonaim, R.H.Ahmed S.A. Abou El-Enein and A.A. Mohamed, J. Coord. Chem. 55, 79-105 (2002).

220.  Dissociation constants of Eriochrom Black T, and Eriochrom Blue black RS indicators and the formation constants of their complexes with Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Hg(II), and Pb(II) under different temperatures and in presence of different solvents, M.S. Masoud, H.H. Hammud and H. Bidas, Thermochemica Acta, 381, 119-131 (2002).

221. Studies on Some Thiazolylazo Compounds and Their Cobalt, Nickel and Copper Complexes, M.S. Masoud, G.B. Mohamed, Y.H. Abdul Razek, A.E. Ali, and F. N. Khiry, Spectroscopy Letters, 35,377-413 (2002).

222. Spectral, Magnetic and Thermal Properties of Some Thiazolylazo Complexes, M.S. Masoud, G.B. Mohamed, Y.H. Abdul Razek , A.E. Ali and F. N. Khiry, J. Korean Chem. Soc.46, 99-116 (2002).

223.  Some Environmental Analysis on Nile Water M.S. Masoud, A.A. Elewa And A.M. Abdel Halim, J. Saudi Chem. Soc, 6(3) 377-398 (2002).

224.  Dielectric properties of some cadmium and mercury amino alcohol complexes at low temperature, M.S. Masoud, A.M. Hafez, M.Sh. Ramadan and A.E. Ali, J. Serb. Chem. Soc. 67(12) 833-842 (2002).

225.  Dielectric properties of some zinc amino alcohol complexes at different temperature, M.S. Masoud, A. M. Hafez, M.Sh. Ramadan and A. E. Ali, J. Saudi. Chem. Soc, 6(2) 341-352 (2002).

226. Synthesis and characeterization of new azopyrimidine complexes, M.S.Masoud, A.A .Soayed,A. E.Ali and O.K. Sharsherah, J.Coord.Chem.56(8) 725-742 (2003) .

227. Effect of cadmium and zinc ethanolamine complexes on rat brain monoamine oxidase-B activity in vitro, N.Z. Shaban, A.E. Ali and M.S. Masoud, J. of Inorg. Biochem. 95, 141-148 (2003).

228. Study of ground water quality in Kom Hamada Area , Behira Governorate, Egypt, M.S.Masoud, M.A.Zaid and A.Haddad, Bull.of Macedonia of Chemists and Technologists 22(2),143(2003);22^nd Annual Water Treatment Technology Conference , Abu Qir Fertilizers Co., Paper 23,1-3 June , Sheraton Montazah Hotel ,Alexandria (2004).

229. Spectral and magnetic properties of phenylazo-6-aminouracil complexes, M.S. Masoud, S.A Abou El-Enein, M. Ayad, and A.S.Goher, Spectrochim. Acta A , 60,1,77-87(2004) .

230. Fluoride distribution and the effect of some ions along Alexandria Coastal Meditrenean sea water of Egypt, W. El-Sarafy, M.S. Masoud, A.A.Harfoush and G. Farouk, J. of Environmental Sciences, 15, 639-646 (2004).

231.  Thermal and electrical properties of some Cr^III, Mn^II and UO₂^II amino alcohol complexes, M.S. Masoud,S.A.Abou El-Enein, H.A.Motoweh and A.E.Ali, Journal of Thermal Analysis and Calorimetry,75,51-61 (2004).

232. Charge density picture and solvent effect on the electronic absorption spectra of some substituted nitroso-azo compounds, M.S.Masoud, M.Abdul Ghany and A.E.Ali, Egyptian J.Chem.,47(4) 443 -459(2004).

233.  Chemical equilibria,structures and ionization of some compounds of some N-heterocycles containing amide linkage, M.S. Masoud, M.A.Mostafa, R.H.Ahmed and N.H.Abd El Moneim , Molecules, 8, 430-438 (2004).

234. Solvent induced spectral shifts of some azo pyrimidines compounds: 6-Amino-2- thiouracil and 5- aminouracil, M.S. Masoud, A.M. Hindawey, E.A . Khalil and A.M. Ramadan, Bull.Fac.Sci.,Assuit University,33(2B)1-8 (2004) .

235. Spectroscopic studies on some azo compounds and their cobalt, nickel and copper complexes,M.S. Masoud, E.A. Khalil, A. M. Hindawey, A.E. Ali and E.M.Fawzy, Spectrochim.Acta, 60A ,2807-2817(2004).

236.  Solvent effect on the electronic absorption spectra of Cr^III, Mn^II and UO₂^II monoethanolamine complexes, M.S. Masoud, A.E.Ali and Adel El-Marghany,Bull. Fac. Sci.,Assuit.Univ.,33 (1B)1-9 (2004).

237. Synthesis, characterization and selective metal binding properties of physically adsorbed 2-thiouracil on the surface of inorganic solid sorbents, M.E.Mahmoud, M.S. Masoud and N.N. Maximous, Mikrochim. Acta 147(1-2)111-115(2004) .

238.  Behaviour of some acid - base indicators in some Egyptian aquatic environments,D.Yousef and M.S.Masoud, Bull.of Macedonia of Chemists and Technologist,23,1,37-46(2004).

239. Solvatochromic behaviour of the electronic absorption spectra of some azo derivatives of aminopyridines, M.S.Masoud,A. E.Ali, M.A.Shaker and M.Abdul Ghani, Spectrochim. Acta 60A,3155-3159(2004) .

240. Complexing properties of nucleic acid constituents: adenine and guanine complexes, M.S. Masoud, Amina A. Soayed and Alaa E. Ali , Spectrochim. Acta, 60A,1907-1915 (2004) .

241.  Polyelectrolytes, M.S.Masoud ,Alaa E.Ali,Ahmed Abdel Halim and Essam A.Mohamed,22 ^nd Annual Water Treatment Technology Conference Abu Qir Fertilizers Co., Paper 11, 1-3 June , Sheraton Montazah Hotel , Alexandria (2004).

242.  Metal Distribution in Water and Sediments of Lake Edku , Egypt , M.S.Masoud ,Abd El Samie A.Elewa, Alaa E.Ali and Essam A.Mohamed , The Egyptian Science Magazine , 1(1)13-22(2004),Bull.of the chemists and technologists of Macedonia 24(1)21-34(2005) .

243.  Hydrographic Assessment and Nutrient Salts Distribution of Lake Edku , Egypt ,M.S.Masoud , Abd El Samie A.Elewa, Alaa E.Ali and Essam A.Mohamed , The Egyptian Science Magazine 2(1)14-25(2004) .

244. Studies on fluoride - zirconium alizarin reds reaction , M.S.Masoud, A. A. Harfoush,W.W.EL-Saraf and Gh.F.El-Said ,The Egyptian Science Magazine , 1(1) 27-32 (2004) .

245. Electron Paramagnetic Resonance and MÖssbauer Spectra of  Iron Triethanolamine Complexes . M.S.Masoud ,Bull.Fac.Sci.Alex.Univ.43(1,2)21-28(2004).

246.  Future views for water in Arabian countries, M.S.Masoud,E.Ali,H.Idris and M.Al-Saify , 22 ^nd Annual Water Treatment Technology Conference Abu Qir Fertilizers Co.,(in Arabic)(2004) .

247.  Electron spin resonance and magnetic studies on some copper( II ) azobarbituric and azothiobarbituric acid complexes. M.S.Masoud , E.A. Khalil , A.M.Hafez and A. F. El-Husseiny, Spectrochim.Acta, A , 61 , 989-993(2005) .

248.  Solvent and substituent effects on spectroscopical changes of some diazoaminobenzene derivatives.M.S.Masoud, A. E.Ali ,M.A.Shaker and  M.Abdul Ghani, Spectrochim.Acta 61A,3102-3107 (2005) .

249.  Distribution of phosphorous forms in El-Max Bay water under physico-chemical conditions of Alexandria , Egypt . M.S.Masoud, Th.H.Mahmoud and A.M.Abdel-Halim, International Conference on Aquatic Resources of the Arab Region , Sheraton El-Montaza, Alexandria , Egypt , p.80,7-9 th May (2005) .

250.  Studies of carbon dioxide system in the Mediterranean Coastal waters of Alexandria , Egypt . M.S.Masoud, Th.H.Mahmoud and N.A.Shaltout, International Conference on Aquatic Resources of the Arab Region , Sheraton El-Montaza, Alexandria , Egypt , p.84,7-9 th May( 2005) .

251. Water Characteristics of Alexandria Hot Spots. R.B.Nessium, M.S.Masoud and N.N. Maximous ,International Conference on Aquatic Resources of the Arab Region , Sheraton El-Montaza, Alexandria , Egypt , p.86,7-9 th May (2005), Egyptian J.of Aquatic Research , 31 , 25-37 (2005) .

252.  Dielectric relaxation Spectroscopy of hetreonuclear cobalt(II) copper(II) complex of 1-phenyl-3-methyl-5-pyrazolone .M.S.Masoud , A.E.Ali , R.H.Mohamed and M.Abd El-Zaher Mostafa , Spectrochim. Acta, 62A,1114-1119 (2005) .

253.  Effect of salinities and sodium nitrite on the ionization of 2-thiouracil and some of their substituted phenylazo compounds . M.S.Masoud , E.A.Khalil , O.H.Abd El-Hamid and A.A.Soayed , The Egyptian Science Magazine 2(2)33-37(2005) .

254. Water Chemistry of El-Max Bay , West of Alexandria , Egypt . M.S.Masoud , M.I.El-Samra and M.M.El-Sadawy , First International Conference on Water Resource in the 21 st Century , Maruit Hotel , Cairo ,Egypt , 6-8 December (2005) ;The Egyptian Science Magazine,2(3)70-78(2005) .

255.  Structural Chemistry of Some Pyrimidine-Transition Metal Complexes . M.S. Masoud, E.A Khalil ,A. M. Hindawy and A.M .Ramadan ,Canadian J.of Analytical Sciences and Spectroscopy 50 (4) 175-188(2005) .

256. Chemical Studies on Alexandria Coast Sediment.M.S.Masoud, W.M.El-Saraf , A.M.Abdel-Halim and H.Hasan .The Egyptian Science Magazine,2(4)93-102(2005) .

257.  Concentrations of fluoride and some ions in bottom fauna along the Egyptian Mediterranean Coast .M.S.Masoud ,W.M.El-Saraf , A.A.Harfoush and Gh.F.El-Sayed ,Water Science 37,15-27(2005) .

258.  The role of pyrimidine ,purine and amino acid complexes in nutrition , M.S.Masoud,M.F.Amira,S.A.El Moneim,G.M.El Moghazy,A.Abou Hagar,Gh.M.El-Ashry ,The Egyptian Science Magazine 2(4)79-102(2005) .

259.  Physicochemical characteristics of different water types in El-Mex Bay ,Alexandria –Egypt , Th.H.Mahmoud,M.S.Masoud and N.A.Shaltout, proceeding of MARINE MTF –IEEE,ocean ,19-23 September 2005 conference ,Washinton DC,USA .

260.  Spectral Regression and Correlation Coefficients of Some Benzaldimines and Salicylaldimines in Different Solvents . H.H.Hammud, A.Ghannoum,and M.S.Masoud , Spectrochim.Acta, 63A,255-265(2006) .

261. Nitrate(V) Behaviour in Water and Its Relation to Human Health, M.S. Masoud and M.H. Al-Saify, 24 ^nd Annual Water Treatment Technology Conference Abu Qir Fertilizers Co.,(2006) .

262. Studies on Transition Metal Murexide Complexes . M.S.Masoud , T.S.Kasem , M.A.Shaker and A.A.Ali , J.Thermal Analysis and Calorimetry ,84,549-555(2006) .

263. Ampicillin acidity and formation constants with some metals and their thermodynamic parameters in different media . Crystal structures of two polymorphs isolated from the reaction of ampicillin with copper(II) .M.J.Zaworotko ,H.H.Hammud , I.Abbas , V.Ch.Kravstov,and M.S.Masoud , J.Coord. Chem., 59(1)65-84(2006) .

264.  Complexing Properties of Some Pyrimidines . M.S.Masoud,S.S.Haggag and E.A.Khalil . Nucleosides,Nucleotides and Nucleic Acids 25(1)73-87(2006) .

265. The Effect of Fluoride and Other Ions On Algae and Fish of Coastal Water of Mediterranean Sea, Egypt .M.S.Masoud,W.M.El-Saraf,A.A.Harfoush and GH.F.El-Said , American Journal of Environmental Sciences 2(2)53-63(2006).

266.  Dielectric spectroscopy of some heteronuclear amino alcohol complexes.M.S.Masoud, M.Shaker and A.Ali ,Spectrochim.Acta 65A,127-132(2006).

267. Synthesis and characterization of some new azo-nitroso compounds .M.S.Masoud,A.F.El-Husseiny, M.M.Abd El-Ghany and H.H.Hammud , Bull.Fac.Sci.Alex.Univ.44(1,2)41-54(2006).

268. Evaluation of Carbon Cycle in El-Mex Bay , Alexandria ,Egypt I.Distribution of total carbon . Th.H.Mahmoud,M.S.Masoud and N.A.Shaltout, Egyptian J.of Aquatic Reseach 32,12-32(2006).

269.  Physicochemical studies of the reaction of  ^99mTc with 2-thiouracil and 5-nitrobarbituric acid under different conditions . M.S.Masoud,A.A.Soayed and A.S.El-Kholany ,Proceeding of the 3^rd international Chemical & Environmental Engineering Conference ,p.212-225,16-18 May (2006) .

270. Thermal Properties of Some Co(II), Ni(II) and Cu(II) Complexes of new Substituted Pyrimidine Compounds .M.S.Masoud,E.A.Khalil and A.M.Ramadan .J.Anal.& Applied Pyrolysis ,78(1)14-23 (2007) .

271.  Spectral , electrical conductivity and biological activity properties of some new azopyrimidine derivatives and their complexes.M.S.Masoud, E.A.Khalil,A.M.Ramadan,Y.M.Gohar and A.Sweyllam , Spectrochim.Acta 67A,669-677 (2007).

272. Spectral properties of some metal complexes derived from uracil , thiouracil and citrazinic acid compounds . M.S.Masoud , A.A.Ibrahim , E.A.Khalil and A.El-Marghany , Spectrochim.Acta 67A,662-668(2007).

273.  Complexing properties and applications of some biologically active nucleic acid constituents ,M.S.Masoud , M.Sh.Ramadan , M.H.Al-Saify,Chem-04,Faculty of Science ,Cairo University,p.50, 5-8 March(2006),International conference on Science and Technology, Prauge,Czech Republic,5-6 July(2007) .

274.  Distribution of CO₂ surface partial pressure and Air .Sea CO₂  Flux in El Mex Bay ,Alexandria ,Egypt .Th.H.Mahmoud,M.S.Masoud and N.A.Shaltout ,The Eighth International Conference on the Mediterranean Coastal Environment ,Volume1,p.709-720,Sheraton Montazah Hotel ,Alexandria ,Egypt ,13-17 November (2007) .

275. Heavy-metal distribution and risk assessment of sediment and fish from El-Mex Bay ,Alexandria ,Egypt . M.S. Masoud,M.I.El-Samra and M.M.El-Sadawy,Chemistry and Ecology ,23(3)201-216(2007) .

276.  Synthesis and characterization of some pyrimidine , purine, amino acid and mixed ligand complexes.   M.S. Masoud,M.F.Amira,A.M.Ramadan and Gh.M.El-Ashry ,Spectrochim.Acta 69A,230-238 (2008).

277.  Solvent effect on the absorption and fluorescence emission spectra of some purine derivatives.Spectrofluorometric Quantitative Studies .H.H.Hammud, K.H.Bouhadir ,M.S.Masoud , A.M.Ghannoum and S.A.Assi .Journal of Solution Chemistry,37,895-917(2008).

278. Thermal properties of some biologically active 5-(p-substituted)-6-aminouracil complexes.M.S.Masoud , S.A.Abou El-Enein and A.M.Ramadan and A.S.Goher .J.of Analytical and Applied pyrolysis,81,45-51(2008).

279. Environmental Impact Assessment of Lake Burullus , Egypt .M.S.Masoud, M.A.Fahmy and E.A.Mohamed. International Conference for Enhancing Scientific Research :New Horizons ,Tanta University ,p-61 ,20-21 February (2008) .

280. Solution Chemistry Studies of Some Pyrimidine Compounds and their Complexes. M.S.Masoud , M.Sh.Ramadan, A.El-Samahy, I. Mahmoud and M.H.Al-Saify.Chem-05,Faculty of Science ,Cairo University,p.48, 3-5 March(2008).

281.  Biological pump of CO₂ in El-Mex Bay,Alexandria , Egypt .Th.H.Mahmoud , M.S.Masoud and N.A.Shaltout, paper No.25,p.36,26^nd Annual Water Treatment Technology Conference,Abu Qir Fertilizers Co.,7-9 June (2008).

282. Water and Nanotechnology , M.S.Masoud , Third Issue ,p.19 , 26 ^nd Annual Water Treatment Technology Conference, Abu Qir Fertilizers Co.,7-9 June (2008). 

283.  Effect of climate changes on life .Special issue (universal earth day ) M.S.Masoud ,p.15,22 April 2008 ,Faculty of Science ,Alexandria University ,Alexandria ,Egypt ( In Arabic ) .  

      

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