| Thermal and spectral studies of 5-(phenylazo)-2-thiohydantoin and 5-(2-hydroxyphenylazo)-2-thiohydantoin complexes of cobalt (II), nickel (II) and copper (II) SS Kandil, GB El-Hefnawy, EA Baker Thermochimica acta 414 (2), 105-113, 2004 | 159 | 2004 |
| Facile synthesis of polyaniline nanoparticles; its adsorption behavior M Ayad, G El-Hefnawy, S Zaghlol Chemical engineering journal 217, 460-465, 2013 | 144 | 2013 |
| Voltammetry and determination of metronidazole at a carbon fiber microdisk electrode PN Bartlett, E Ghoneim, G El-Hefnawy, I El-Hallag Talanta 66 (4), 869-874, 2005 | 109 | 2005 |
| Synthesis, spectral and thermal studies of Mn (II), Co (II), Ni (II), Cu (II) and Zn (II) complex dyes based on hydroxyquinoline moiety M Gaber, GB El-Hefnawy, MA El-Borai, NF Mohamed Journal of thermal analysis and calorimetry 109 (3), 1397-1405, 2012 | 41 | 2012 |
| Cobalt (II), nickel (II) and copper (II) complexes of 5-(2-carboxyphenylazo)-2-thiohydantoin SS Kandil, GB El-Hefnawy, EA Bakr, AZ Abou El-Ezz Transition metal chemistry 28, 168-175, 2003 | 35 | 2003 |
| Electrochemical behavior and determination of amiloride drug in bulk form and pharmaceutical formulation at mercury electrodes GB El-Hefnawy, IS El-Hallag, EM Ghoneim, MM Ghoneim Journal of pharmaceutical and biomedical analysis 34 (5), 899-907, 2004 | 24 | 2004 |
| Synthesis and application of some azo and azomethine dyes containing pyrazolone moiety HF Rizk, MA El‐Borai, GB El‐Hefnawy, HF El‐Sayed Chinese Journal of Chemistry 27 (7), 1359-1364, 2009 | 18 | 2009 |
| Synthesis and spectral characterization of novel azomethine disperse dyes derived from pyrazolone moiety and their dyeing performance on polyester fabrics MA El-Borai, HF Rizk, GB El-Hefnawy, SA Ibrahim, SS Aser, HF El-Sayed Fibers and Polymers 17, 729-737, 2016 | 15 | 2016 |
| Dyeing, color fastness and antimicrobial properties of some mono and disazo disperse dyes derived from thiazole moiety MA El-Borai, HF Rizk, GB El-Hefnawy, HF El-Sayed, SA Ibrahim Fibers and Polymers 14, 2061-2068, 2013 | 15 | 2013 |
| Electrochemical studies of Schiff base compounds derived from antipyrine nucleus in ethanolic buffer solutions IS El-Hallag, GB El-Hefnawy, YI Moharram, EM Ghoneim Canadian Journal of Chemistry 78 (9), 1170-1177, 2000 | 14 | 2000 |
| Square-wave adsorptive cathodic stripping voltammetric determination of anti-inflammatory indomethacin drug in tablets and human serum at a mercury electrode GB El-Hefnawy, IS El-Hallag, EM Ghoneim, MM Ghoneim Analytical and bioanalytical chemistry 376, 220-225, 2003 | 11 | 2003 |
| Preparation of Cr (III), Co (II), Ni (II) and Cu (II) complexes with azopyrazolone derivatives and their dyeing performance on wool fabric GB El-Hefnawy, MA El-Borai, ESA Aly, AA Gabr NISCAIR-CSIR, India, 1992 | 8 | 1992 |
| Charge transfer complexes of methylnaphthalene derivatives with TCNE in CCI4 MM Ayad, GB El-Hefnawy, GW Bahlol Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 58 (1 …, 2002 | 7 | 2002 |
| Synthesis and structures of Octaaza NiII and CuII macrocyclic complexes containing biimidazole GB El-Hefnawy, M El-Kersh, SH Etaiw, R El-Tabbakh Polyhedron 16 (23), 3997-4004, 1997 | 7 | 1997 |
| Fastness properties of Cr (III), Co (II) and Cu (II) complexes containing monoazopyrazolone nucleus on wool and polyester/wool blend GB El-Hefnawy, MA El-Borai, AA Gabr INDIAN JOURNAL OF FIBRE AND TEXTILE RESEARCH 17, 160-160, 1992 | 5 | 1992 |
| Preparation and spectroscopic characterization of copper (II), cobalt (II) and manganese (II) chelates with multidentate bisazodianils as ligands RM Issa, SM Abu-El-Wafa, GB El-Hefnawy, NA El-Wakeil Egyptian journal of chemistry 44 (1-3), 99-109, 2001 | 4 | 2001 |
| Vibrational Analysis of New Macrocyclic Imine‐Carbinolamine Complexes of Nickel (II) SA Amer, GB El‐Hefnawy, GW Saleim, HO Desseyn Bulletin des Sociétés Chimiques Belges 99 (5), 305-313, 1990 | 3 | 1990 |
| Synthesis and Characterization of New Macrocyclic Imine‐Carbinolamine Complexes of Nickel (II) SA Amer, GB El‐Hefnawy, GW Seleim, HO Desseyn Bulletin des Sociétés Chimiques Belges 98 (11), 833-838, 1989 | 3 | 1989 |
| Spectroscopic studies of some schiff bases derived from indole and aniline derivatives or diamino Triazole with benzaldehyde derivatives GB El Hefnawy, KY El Baradie, A El Tross Egyptian Journal of Chemistry 36 (3), 177-87, 1993 | 2 | 1993 |
| Synthesis and Characterization of Some Complexes Derived from 3-Azomethine-2-methyl-benzopyrrole Derivatives GB El-Hefnawy, AEA El-Trass, M Gaber Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 22 (10 …, 1992 | 1 | 1992 |
