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- Publications
- Influence
Effect of structural properties of acid dyes on their adsorption behaviour from aqueous solutions by amine modified silica.
- A. Donia, A. A. Atia, W. A. Al-Amrani, Ahmed M. Elnahas
- Chemistry, Medicine
- Journal of hazardous materials
- 30 January 2009
Monoamine modified silica particles (MAMS) were prepared and characterized by infrared (FT-IR) and thermogravimetric analysis (TGA). The modified silica particles were used for removal of acid orange… Expand
Vitrification of human oocytes and different development stages of embryos: An overview
- Ahmed M. Elnahas, Ebru Alcolak, +5 authors S. Al-Hasani
- Biology
- 2010
Abstract Cryopreservation of oocytes and embryos leads to increased cumulative pregnancy rates along with restored costs of artificial reproductive technology (ART), minimizing the risks of ovarian… Expand
Experimental investigation of the effect of axial vibration generated by pressure pulses on drilling performance
- Ahmed M. Elnahas
- Engineering
- 1 October 2014
Considering the fact that improving drilling efficiency contributes to the industry success, many academic organizations, industrial research organizations and companies have invested in research… Expand
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CEO Political Ideology and Mergers and Acquisitions Decisions
- Ahmed M. Elnahas, D. Kim
- Business
- 13 August 2016
We examine the relation between CEOs political ideology and their firms' investment decisions, particularly their M&A decisions. Employing individual financial contributions data for the period from… Expand
CEO political ideology and mergers and acquisitions decisions
- Ahmed M. Elnahas, D. Kim
- 2017
We examine the relation between CEOs political ideology and their firms’ investment decisions, particularly their M&A decisions. Employing individual financial contributions data for the period from… Expand
Structural studies and anticancer activity of a novel (N6O4) macrocyclic ligand and its Cu(II) complexes.
- H. El-Boraey, S. M. Emam, Dina A. Tolan, Ahmed M. Elnahas
- Chemistry, Medicine
- Spectrochimica acta. Part A, Molecular and…
- 2011
A novel (N6O4) macrocyclic ligand (L) and its Cu(II) complexes have been prepared and characterized by elemental analysis, spectral, thermal (TG/DTG), magnetic, and conductivity measurements. Quantum… Expand
Vitrification of Human Oocytes and Embryos of Different Development Stages
- Ahmed M. Elnahas, Ebru Alcolak, +5 authors S. al-Hasani
- Biology
- 1 December 2010
Computational Studies on the Thermodynamic and Kinetic Parameters of Oxidation of 2-Methoxyethanol Biofuel via H-Atom Abstraction by Methyl Radical
- M. Abdelrahman, T. M. Elgogary, N. Al-Hashimi, M. Shibl, K. Yoshizawa, Ahmed M. Elnahas
- Chemistry, Medicine
- Scientific Reports
- 25 October 2019
In this work, a theoretical investigation of thermochemistry and kinetics of the oxidation of bifunctional 2-Methoxyethanol (2ME) biofuel using methyl radical was introduced. Potential-energy surface… Expand
The use of laser assisted hatching of frozen/thawed embryos versus laser assisted hatching of fresh embryos in human intracytoplasmic sperm injection
- Ahmed M. Elnahas, T. Elnahas, +5 authors Ragya Noureldin
- Medicine
- Journal of obstetrics and gynaecology : the…
- 26 June 2018
Abstract Cryopreservation of human embryos has become an essential part of assisted reproduction. It limits the number of embryo transferred while supernumerary embryos can be transferred in… Expand
Agency Costs and the Islamic Sharia in Mergers and Acquisition (M&A): The Case of Earnout Agreement
- Ahmed M. Elnahas, M. Hassan, G. Ismail
- Business
- 26 June 2016
This paper investigates agency issues and the Islamic sharia compliance of conventional earnout agreements. Contingent payment in mergers and acquisitions not only violates Islamic Sharia but also… Expand