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Hire Dr. Ahmed R.

Egypt

USD 135 /hr

Decoding Molecules. Designing Cures. Modeling/Spectroscopy Expert with 15+ years of experience in scientiic research

Profile Summary

I conduct cutting-edge scientific research at Egypt’s National Research Centre (NRC), specializing in ab initio calculations, molecular docking, and advanced spectroscopy. As a core member of the NRC’s Molecular Spectroscopy and Modeling Laboratory, I provide precise analytical measurements and strategic consultancy to academia and industry—turning spectral data and computational models into actionable insights for drug discovery, materials science, and molecular design. My work bridges theoretical innovation and real-world application, leveraging state-of-the-art tools (Gaussian, AutoDock, Biovia) to solve complex chemical challenges.

Subject Matter Expertise

• ★ Molecular Modeling
• ★ Molecular Docking
• ★ IR Spectroscopy
• ☆ UV Spectroscopy
• ☆ Raman Spectroscopy
• ☆ Computational Physics

Services

• Research
• Consulting
• Data & AI

Research Scientific and Technical Research, Systematic Literature Review

Consulting Scientific and Technical Consulting

Data & AI Statistical Analysis, Data Visualization, Data Processing

Work Experience

Associate Professor w/ Tenure

National Research Centre

January 2023 - Present

Associate Professor

National Research Centre

January 2023 - Present

Infrared Beamline Scientist

Synchroton-light for Experimental Science and Applications in the Middle East

December 2019 - July 2023

Education

Ph.D. of Molecular Biophysics (Biophysics)

Cairo University

- Present

M.Sc. (Biophysics)

Ain Shams University Faculty of Science

November 2008 - October 2010

B.SC. Very Good with Honors (Biophysics)

Ain Shams University Faculty of Science

September 2002 - May 2006

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Engy Mohsen, Ahlam M. El Fishawy, Abeer Salama, Rania Elgohary, Ahmed Refaat, Abdelbaset M. Elgamal, Inas Y. Younis, Rania M. Kamal (2025). Unveiling the gastroprotective effect of the ethyl acetate fraction of Cordia africana Lam. roots against ethanol-induced gastric ulcer and Helicobacter pylori . Journal of Ethnopharmacology.

Ahmed Refaat, Gihan Kamel (2023). Synchrotron radiation infrared microspectroscopy: Insights on biomedicine . Applied Spectroscopy Reviews.

Refaat, A., Kamel, G.(2022). Synchrotron radiation infrared microspectroscopy: Insights on biomedicine . Applied Spectroscopy Reviews.

Omar, A., Badry, R., Hegazy, M.A., Yahia, I.S., Elhaes, H., Zahran, H.Y., Ibrahim, M.A., Refaat, A.(2022). Enhancing the optical properties of chitosan, carboxymethyl cellulose, sodium alginate modified with nano metal oxide and graphene oxide . Optical and Quantum Electronics. 54. (12).

Ezzat, H.A., Elhaes, H., Refaat, A., Abdel-Aal, M.S., Ibrahim, M.A.(2021). Molecular modeling analyses and vibrational characteristics for nitromethane . Egyptian Journal of Chemistry. 64. (1). p. 75-84.

Ahmed Refaat, Hanan Elhaes, Nabila S. Ammar, Hanan S. Ibrahim, Medhat Ibrahim(2020). Green Route for the Removal of Pb from Aquatic Environment . Combinatorial Chemistry & High Throughput Screening. 23. (7). p. 587--598. Bentham Science Publishers Ltd.

Refaat, A., Elhaes, H., Ammar, N.S., Ibrahim, H.S., Ibrahim, M.(2020). Green route for the removal of pb from aquatic environment . Combinatorial Chemistry and High Throughput Screening. 23. (7). p. 587-598.

Bayoumy, A.M., Refaat, A., Yahia, I.S., Zahran, H.Y., Elhaes, H., Ibrahim, M.A., Shkir, M.(2020). Functionalization of graphene quantum dots (GQDs) with chitosan biopolymer for biophysical applications . Optical and Quantum Electronics. 52. (1).

Refaat, A., Atta, D., Osman, O., Mahmoud, A.A., El-Kohadary, S., Malek, W., Ferretti, M., Elhaes, H., Ibrahim, M.(2019). Analytical and computational study of three coptic icons in saint mercurius monastery, Egypt . Biointerface Research in Applied Chemistry. 9. (6). p. 4685-4698.

Refaat, A., Ibrahim, M.A., Elhaes, H., Badry, R., Ezzat, H., Yahia, I.S., Zahran, H.Y., Shkir, M.(2019). Geometrical, vibrational and physical properties of polyvinyl chloride nanocomposites: Molecular modeling approach . Journal of Theoretical and Computational Chemistry. 18. (8).

El Gabaly, S.G., Youssif, G.M., Bayoumy, A.M., Ezzat, H., Elhaes, H., Refaat, A., Ibrahim, M.A.(2019). Modeling the effect of functional groups on the electronic properties of benzene, pyridine and pyrimidine . Egyptian Journal of Chemistry. 62. p. 15-17.

Nematov, D., Burhonzoda, A., Khusenov, M., Kholmurodov, K., Doroshkevych, A., Doroshkevych, N., Zelenyak, T., Majumder, S., Refaat, A., Ibrahim, M.A.(2019). Molecular dynamics simulations of the DNA radiation damage and conformation behavior on a zirconium dioxide surface . Egyptian Journal of Chemistry. 62. p. 149-161.

Badry, R., Omar, A., Mohammed, H., Mohamed, D.A.A., Elhaes, H., Refaat, A., Ibrahim, M.(2018). Effect of alkaline elements on the structure and electronic properties of glycine . Biointerface Research in Applied Chemistry. 8. (6). p. 3682-3687.

Badry, R., Ghanem, A.S.A.-E., Ahmed, H., Fahmy, A., Elhaes, H., Refaat, A., Ibrahim, M.(2018). Effect of li, na, K, be, mg and ca on the electronic properties, geometrical parameters of carboxylic acids . Biointerface Research in Applied Chemistry. 8. (6). p. 3657-3660.

Ragab, T.I.M., El-Bassyouni, G.T., Helmy, W.A., Taie, H.A., Refaat, A., Ibrahim, M.A., El-Hmeed, E.A., Esawy, M.A.(2018). Evaluation of multifunction bioactivities of extracted chitosan and their UV/ozone derivatives . Journal of Applied Pharmaceutical Science. 8. (10). p. 53-062.

Ibrahim, M.A., Elhaes, H., El-Khodary, S.A., Morsy, M., Refaat, A., Yahia, I.S., Zahran, H.Y.(2018). Molecular modeling analyses for the effect of alkali metal oxides on graphene . Biointerface Research in Applied Chemistry. 8. (5). p. 3522-3525.

Badry, R., Shaban, H., Elhaes, H., Refaat, A., Ibrahim, M.(2018). Molecular modeling analyses of polyaniline substituted with alkali and alkaline earth elements . Biointerface Research in Applied Chemistry. 8. (6). p. 3719-3724.

Ragab, T.I.M., Shalaby, A.S.G., El Awdan, S.A., Refaat, A., Helmy, W.A.(2018). New applied pharmacological approach/trend on utilization of agro-industrial wastes . Environmental Science and Pollution Research. 25. (26). p. 26446-26460.

Refaat, A., Youness, R.A., Taha, M.A., Ibrahim, M.(2017). Effect of zinc oxide on the electronic properties of carbonated hydroxyapatite . Journal of Molecular Structure. 1147. p. 148-154.

(2016). Biophysical Study of Collagen/Chitosan Blends . Quantum Matter.

Elhaes, H., Abd-El-Aal, M., Refaat, A., Ibrahim, M.(2011). Metal interaction with organic acids: Semiempirical molecular modeling approach . Australian Journal of Basic and Applied Sciences. 5. (6).

Ibrahim, M., Mahmoud, A.A., Osman, O., Refaat, A., El-Sayed, E.-S.M.(2010). Molecular spectroscopic analysis of nano-chitosan blend as biosensor . Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 77. (4). p. 802-806.

OTHER

Omar, A., Badry, R., Hegazy, M.A., Yahia, I.S., Elhaes, H., Zahran, H.Y., Ibrahim, M., Refaat, A.(2022). Enhancing the Optical Properties of Chitosan, Carboxymethyl Cellulose, Sodium Alginate Modified with Nano Metal Oxide and Graphene Oxide . ResearchSquare.