Eissa, M. S., E. Darweish, M. R. Elghobashy, and M. A. Shehata,
"Analytical Application of Different Spectrophotometric Methods for Simultaneous Determination of Norfloxacin and Tinidazole in their Pure Forms and their Pharmaceutical Preparation",
Der Pharma Chemica, vol. 10, issue 2, pp. 79-86, 2018.
Yehia, A. M., M. R. El-Ghobashy, A. H. Helmy, and N. F. Youssef,
"Chromatographic separation of vildagliptin and L-proline as in-process impurity with application of Youden’s test and statistical analysis for robustness testing of HPLC method",
Separation Science Plus, vol. 1, issue 5, pp. 395-403, 2018.
El-Ghobashy, M. R., A. M. Yehia, A. H. Helmy, and N. F. Youssef,
"Forced degradation of gliquidone and development of validated stability-indicating HPLC and TLC methods",
Brazilian Journal of Pharmaceutical Sciences, vol. 54, issue 3, pp. e00223, 2018.
Yehia, A. M., M. R. El-Ghobashy, A. H. Helmy, and N. F. Youssef,
"Functionalized β-cyclodextrin-based Potentiometric Membrane for the Selective Determination of Vildagliptin in Presence of its In-process Impurity",
Anal. Bioanal. Electrochem., vol. 10, issue 11, pp. 1414 - 1425, 2018.
Saad, A. S., M. R. El-Ghobashy, N. S. Ayish, and B. A. El-Zeanya,
"ISE-potentiometric sensor for the determination of zolmitriptan: Application in plasma, pharmaceutical formulation and in-vitro release profile",
New Journal of Chemistry, vol. 42, issue 18, pp. 15263-15269, 2018.
Eissa, M. S., E. Darweish, M. R. Elghobashy, and M. A. Shehata,
"Rapid Selective TLC-Densitometry Method for Simultaneous Determination of Amoxicillin and Flucloxacillin in their Pure Forms or in their Pharmaceutical Preparation",
Analytical Chemistry letters, vol. 8, issue 2, pp. 188-194, 2018.
Mohamed, M. A., A. S. Saad, S. H. Kosheka, and M. R. El-Ghobashy,
"Smart Electrochemical Sensing Platform for the Simultaneous Determination of Psychotic Disorders Drugs Isopropamide Iodide and Trifluoperazine Hydrochloride",
New Journal of Chemistry, vol. 42, issue 12, pp. 9911-9919, 2018.
Abdelrahman, M. M., I. A. Naguib, M. E. R. Ghobashy, and N. A. Ali,
"Stability indicating HPLC and HPTLC methods for determination of agomelatine and its degradation products",
Journal of Chromatographic Science , vol. 56, issue 4, pp. 317-326, 2018.
Yehia, A. M., M. R. El-Ghobashy, A. H. Helmy, and N. F. Youssef,
"Stability testing followed by manipulating mean centering of ratio spectra and derivative ratio spectrophotometric methods for the determination of gliquidone in presence of its induced degradation products",
Analytical Chemistry letters , vol. 8, issue 3, pp. 348-360, 2018.