Search Results - "Ramadan, H. E."

Adsorption studies of molybdate(VI)–99Mo onto nano zirconium hydroxide gel by Ramadan, H.E., El-Amir, M.A., Mostafa, M.

“…Zr(OH)4 gels have been prepared by sol-gel method using isoamyl alcohol/ammonia mixture of different concentrations. The nano Zr(OH)4 gel obtained using 80%…”
Get full text

Sorption and desorption studies of radioiodine onto silver chloride via batch equilibration with its aqueous media by Mostafa, M., Ramadan, H.E., El-Amir, M.A.

“…The uncontrolled spread out of radioiodine (especially 131I) produced from nuclear activities or accidents, due to its high volatility, to the biosphere…”
Get full text

99Mo/99mTc generators based on aluminum molybdate gel matrix prepared by nano method by Amin, M., El-Amir, M. A., Ramadan, H. E., El-Said, H.

“…A procedure for preparation of 99 Mo/ 99m Tc radioisotope generator based on low specific activity neutron activated 99 Mo was developed. Aluminum…”
Get full text

Preparation of 188Re-Labetalol as a β1-Adrenoceptor for Use in Nuclear Medicine by Marzook, F. A., Ramadan, H. E., Talaat, H. M.

“…Labetalol was labeled with 188 Re. The reaction conditions (amounts of stannous chloride and substrate, pH, time) were optimized, and the radiochemical yield…”
Get full text

Preparation of 137Cs-Loaded Silicotitanate Sealed Source and Standardization of Its Activity by DETEFF Code and Efficiency Transfer Concept by Mostafa, M., Tawfic, M. A., El-Absy, M. A., Ramadan, H. E., Sadeek, S. A.

“…A 137 Cs-loaded sealed source was prepared by contacting silicotitanate gel with a 137 Cs solution at pH 7 for 48 h at 25°C, drying at 100°C for 24 h, placing…”
Get full text

Advanced prospects for the preparation of zirconium [99Mo]molybdate(VI) gel from diluted reactants and 99m Tc elution performance by El-Absy, M. A., Amin, M., El-Amir, M. A., Mostafa, M., Ramadan, H. E.

“…Zirconium [99Mo]molybdate(VI) gel (ZrMo) was prepared from dilute mixed solutions of zirconium oxychloride and [99Mo]molybdate at pH 4.7. Paramolybdate(VI)…”
Get full text

Preparation of 99Mo/99mTc generator based on alumina 99Mo-molybdate (VI) gel by El-Absy, M. A., El-Amir, M. A., Fasih, T. W., Ramadan, H. E., El-Shahat, M. F.

“…In this work alumina 99 Mo-molybdate (VI) gel is evaluated as a column matrix for use in the preparation of small chromatographic column type 99m Tc generator…”
Get full text

99M o/99m Tc chromatographic column generator based on cerium(IV) molybdate gel by Mostafa, M., Ramadan, H. E., El-Amir, M. A., El-Said, H.

Get full text

Radiochemical precipitation studies for separation of iodine from tellurium and other trace impurities by Mostafa, M., Ramadan, H. E., El-Amir, M. A.

“…Precipitation of radiotellurium, containing trace radioimpurities, has been carried out from sulfate media at different pH-values. The highest precipitation…”
Get full text

Adsorption studies of molybdate(VI)- 99 Mo onto nano zirconium hydroxide gel by Ramadan, H E, El-Amir, M A, Mostafa, M

“…Zr(OH) gels have been prepared by sol-gel method using isoamyl alcohol/ammonia mixture of different concentrations. The nano Zr(OH) gel obtained using 80%…”
Get full text

sup.99Mo/.sup.99mTc generators based on aluminum molybdate gel matrix prepared by nano method by Amin, M, El-Amir, M. A, Ramadan, H. E, El-Said, H

“…A procedure for preparation of .sup.99Mo/.sup.99mTc radioisotope generator based on low specific activity neutron activated .sup.99Mo was developed. Aluminum…”
Get full text

99Mo/99mTc Radioisotope Generator Based on Zirconium Selenomolybdate as Column Matrix by El-Amir, M. A., Ramadan, H. E., El-Said, H., Radwan, N. G., El-Sonbati, A. Z.

“…Zirconium selenomolybdate gel matrices were prepared by mixing solutions of zirconium oxychloride, selenous acid, and sodium molybdate in different manners…”
Get full text

99Mo/99m Tc Radioisotope Generator Based on Zirconium Selenomolybdate as Column Matrix by El-Amir, M A, Ramadan, H E, El-Said, H, Radwan, N G, El-Sonbati, A Z

“…Zirconium selenomolybdate gel matrices were prepared by mixing solutions of zirconium oxychloride, selenous acid, and sodium molybdate in different manners…”
Get full text

Preparation of [sup.99]Mo/[sup.99m]Tc generator based on alumina [sup.99]Mo-molybdate gel by Absy, M.A. El, Amir, M.A. El, Fasih, T.W, Ramadan, H.E, Shahat, M.F. El

“…In this work alumina Mo-molybdate (VI) gel is evaluated as a column matrix for use in the preparation of small chromatographic column type [sup.99m]Tc…”
Get full text

Advanced prospects for the preparation of zirconium [99Mo]molybdate(VI) gel from diluted reactants and 99mTc elution performance by El-Absy, M. A., Amin, M., El-Amir, M. A., Mostafa, M., Ramadan, H. E.

“…Zirconium [ 99 Mo]molybdate(VI) gel (ZrMo) was prepared from dilute mixed solutions of zirconium oxychloride and [ 99 Mo]molybdate at pH 4.7. Paramolybdate(VI)…”
Get full text

Potential use of an irradiated natural tin target for preparation of a mixed sealed source based on 12-tungstocerate gel matrix for radiometric calibration purposes by El-Amir, M. A., El-Said, H., Ramadan, H. E.

“…Irradiated natural tin target and 12-tungstocerate gel matrix were used for preparing a 113 Sn and 124,125 Sb sealed source. The distribution coefficients of…”
Get full text

Labeling of EGFR inhibitor to prepare a potential SPECT agent for molecular imaging of breast cancer via iodine-bromine exchange by Farouk, N., Ramadan, H. E., El-Amir, M. A.

“…A simple method was developed for labeling N -{4-[(3-chloro-4-fluorophenyl)amino]quinazolin-6-yl}-3-bromopropionamide, an EGFR inhibitor, with radioactive…”
Get full text

99Mo/99mTc chromatographic column generator based on cerium(IV) molybdate gel by Mostafa, M., Ramadan, H. E., El-Amir, M. A., El-Said, H.

“…Cerium(IV) molybdate was prepared and characterized by IR spectroscopy, thermal analysis, and XRD. The highest precipitation yield of 99 m o within the formed…”
Get full text

Synthesis and characterization of zirconyl molybdopyrophosphate and its application for preparing 137Cs/137m Ba radioisotope generator by El-Said, H., Ramadan, H. E., El-Amir, M. A., Shady, S. A.

Get full text

Synthesis and characterization of zirconyl molybdopyrophosphate and its application for preparing 137Cs/137mBa radioisotope generator by El-Said, H., Ramadan, H. E., El-Amir, M. A., Shady, S. A.

“…Semicrystalline zirconyl molybdopyrophosphate (ZMPP) ion exchanger was synthesized and characterized by thermal analysis, IR spectroscopy, and X-ray…”
Get full text