Education

• 2006

  Doctorate degree from }اثةهسفقغScience, Osaka City University, Japan, أوساكا, اليــابــان

Employment

• 1998-حاليا

  Assistant prof, Tanta University, طنطا, مصــــــــر

Research Interests

Scientific interests

Publications  

1- Mohamed EL-Hefnawy,; Sameshima, K.; Matsushita, T.; Tanaka, R. Apparent Dipole Moments of 1-Alkanols in Cyclohexane and n-Heptane, and Excess Molar Volumes of (1-Alkanol + Cyclohexane or n-Heptane) at T=298.15 K. J. Solution Chem. 2005, 34, 43-69.

2- Mohamed EL-Hefnawy,; Tanaka, R. Density and Relative Permittivity for 1-Alkanols + Dodecane at 298.15 K. J. Chem. Eng. Data 2005, 50, 1651-1656.

3- Mohamed EL-Hefnawy,; Sameshima, K.; Matsushita, T.; Tanaka, R. Dipole Moments and Conformations of C_nH_2n+1O(CH₂CH₂O)_mH investigated by the Measurements of Permittivity and FT-IR Spectra in Heptane Solutions at 298.15 K and Ab initio Calculations. Bull. Chem. Soc. Japan 2006, 79, 845-856.

4- Mohamed EL-Hefnawy, The influence of the structure and composition of water-in-oil microemulsions on activities of Iraqi Turnip peroxidase. Arabian Journal of Chemistry, 5, 73-76 (2012).

5- Mohamed EL-Hefnawy, Water in Olive Oil Surfactantless Microemulsions as Medium for CdS Nanoparticles Synthesis. Modern Applied Science. 6(4), 101-105  (2012).

6- Mohamed EL-Hefnawy, Samir A. Senior, Abdel Moneim El Massry, Magdy Diab, Mousa Al-Noaimi and R. Tanaka. Apparent Dipole Moments and Excess Volumes of Polyoxyethylene Glycol mono-Decyl Ethers in n-Alkanes at T=298.15 K . Physics and Chemistry of Liquids: An International Journal. 50(4), 415-433 (2012).

7- Mohamed EL-Hefnawy, Samir A. Senior,  Abdel Moneim El Massry and R. Tanaka.  Excess Molar Volumes of Oligo(oxyethylene Glycol) MonoDecyl Ethers in n-Dodecane, and Apparent Dipole Moments of {(Oligo(oxyethylene Glycol) monoDecyl Ethers + n-Heptane, n-Decane or n-Dodecane} at T=298.15 K. J. Solution Chem. 41, 2017-2035 (2012).

8- Mohamed EL-Hefnawy, Water in Olive Oil Microemulsions as Medium for CdS Nanoparticles Synthesis. J. Indian Chem. Soc. 90 (2013) 459-462.

9- Mohamed EL-Hefnawy, Densities and Refractive Indices of Binary Mixtures of Olive Oil + Alkanols at 298.15 K. J. Solution Chem.  42 (2013) 2399-2408.

10- Mohamed EL-Hefnawy and M. Sakran, The influence composition of water in olive Oil microemulsions as medium for on activities of Lipase. Canadian J. Chem. Eng. 92 (2014) 1335-1339.

11. Mohamed EL-Hefnawy, Elmetwaly. M. Selim,  Faiz F. Assaad and Ali Ismael, Kinetics and Thermodynamics of Cadmium Adsorption on Surface of Clays and Sandy Loam Soils, The Scientific World Journal, 2014 (2014).

12. Mohamed EL-Hefnawy, M. Sakran and Ali Ismael and Eman Fahmy Aboelfetoh, Extraction, purification, Kinetic and Thermodynamic properties of Urease from germinating Pisum Sativum L. seeds. BMC Biochemistry. 15:15 (2014).

13- Samir A. Senior, Magdy D. Madbouly, Abdel-Moneim El massry, Mohamed El-Hefnawy, Assessment and prediction of toxicity of some pyrethroid pesticides by QSTR method using topological descriptors, new quantum chemical descriptors and a new SCF-QSTR method J. Indian Chem. Soc.. 92 (2015) 1-14.

14- Mohamed EL-Hefnawy, and Eman Fahmy Aboelfetoh, A oxidation reaction of 4-carboxaldehyde, 5-amino pyrazole in olive reversed microemulsions catalyzed by a phase transfer catalyst. Asian J. Chem. 28(1) (2016) 27-29.

15- Abeer S. Elsherbiny,  Mohamed E. El-Hefnawy,  Ali H. Gemeay, Synthesis and Characterization of Poly aspartate-montmorillonite nanocopmosites and its efficiency toward the adsorption of Pb²⁺ and Cd²⁺ from aqueous solution. In Preparation (2016).

16- Ali Ismael, Elmetwaly. M. Selim, Mohamed E. El-Hefnawy, Spatial and vertical distribution of heavy metal nearby cement factory Western Saudi Arabia. Plos one (2016) Submitted.

Courses

Areas of expertise