الابحاث : |
1-Ibrahim Ali Darwish , Tanveer A Wani , Nasr Khalil , Tarek Aboul-Fadl , Adnan Kadi and Abdul-Rahman Al-Majed. , A highly sensitive automated flow immunosensor based on kinetic exclusion analysis for determination of the cancer marker 8-hydroxy-2`-deoxyguanosine in urine., Anal. Methods
DOI: 10.1039/C3AY26292H , http://pubs.rsc.org/en/content/articlelanding/2013/ay/c3ay26292h, 2013
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2-Ibrahim A. Darwish1, Samiha A. Hussein2 , Ashraf M.
Mahmoud2, Ahmed I. Hassan3, Spectral Investigation and Analytical Application of the
Vinylamino-Substituted haloquinone derivatives of
Nizatidine and Ranitidine, Res. Pharm. Sci, vol. 1 - No. 1, pp. 1 - 7, 2010
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3-Ashraf M. Mahmoud1, Ibrahim A. Darwish2, Nasr Y. Khalil2, Fluorometric Study for the Reaction between Sertraline and
7-Chloro-4-nitrobenzo-2-oxa-1,3-diazole: Kinetics, Mechanism
and Application for the Determination of Sertraline in Tablets, Journal of Fluorescence,, vol. 20, pp. 607 – 613, 2010
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4-Ibrahim A. Darwish1, Tarek Aboul-Fadl1, Nasr Y. Khalil1, Ashraf M.
Mahmoud2, Abdul-Rahman M. Al-Obaid1, New Sensitive HPLC Method for Evaluation of the
Pharmacokinetics of New Amantadine Prodrugs as Hepatic
Delivery Systems to Enhance its Activity against HCV, International Journal of Research in Pharmaceutical Sciences, vol. 1, pp. 151 - 157, 2010
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5-Ibrahim A. Darwish1, Samiha A. Hussein1, Ashraf M. Mahmoud1,
Ahmed I. Hassan2, N-Bromosuccinimide/Fluorescein System for
Spectrophotometric Determination of H2-Receptor Antagonists
in Their Dosage Forms, International Journal of Research in Pharmaceutical Sciences, vol. 1, pp. 86 - 93, 2010
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6-Nasr Y. Khalil1, Ashraf M. Mahmoud2, Ibrahim A. Darwish1, Abdul-
Rahman A. Al-Majed1, Highly Sensitive HPLC Method with Automated Co-Sense
System and Fluorescence Detection for Determination of
Sertraline in Human Plasma, Chromatographia, vol. 72, 2010
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7-Ibrahim A. Darwish, Tarek Aboul-Fadl, Nasr Y. Khalil, Ashraf M. Mahmoud, Abdul-Rahman M. Al-Obaid , New Sensitive HPLC Method for Evaluation of the Pharmacokinetics of New Amantadine Prodrugs as Hepatic Delivery Systems to Enhance its Activity against HCV, Int. J. Res. Pharm. Sci, 1(2), 151-157, www.ijrps.pharmascope.org, 2010
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8-Tarek Aboul-Fadl, Hatem A. Abdul-Khader, Adnan Khadi, Ibrahim Darwish, Telal Al-Samani, Pervez Ahmad, Ahmed Bari and Sahal Al-Hajoj. , Design and Synthesis of a Combinatorial Library of Indoline-2,3-dione Schiff bases with Potential Anti-tubercular Activity. , 46th International Conference on Medicinal Chemistry (RICT 2010), Reims-France, June 30 -July 2, 2010., 2010
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9-Ibrahim A. Darwish, Maha A. Sultan, Hessa A. Al-Arfaj, Kinetic Spectrophotometric Method for Determination of Ciprofloxacin and Lomefloxacin in their Pharmaceutical Dosage Forms, Int. J. Res. Pharm. Sci., Vol. 1, pp. 43-50, 2010
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10-Ibrahim A. Darwish, Maha A. Sultan, Hessa A. Al-Arfaj, Selective Kinetic Spectrophotometric Method for Determination of Gatifloxacin Based on Formation of its N-Vinyl Chlorobenzoquinone Derivative, Spectrochim. Acta A, DOI: 10.1016/j.saa.2009.10.036, Vol. 75, pp. 334-339, 2010
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11-Ibrahim A. Darwish1, Abdulrahman A. Al-Majed1,
Ashraf M. Mahmoud1,2, Nasr Y. Khalil1, New Non-Extractive and Highly Sensitive HPLC
Method for Determination of Paroxetine in
Plasma after Offline Pre-Column Derivatization
with 7-Chloro-4-Nitrobenzo-2-Oxa-1,3-Diazole, AOAC Int, vol. 92 - No. 5, pp. 1 - 8, 2009
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12-Ashraf M. Mahmoud1,2, Nasr Y. Khalil1, Ibrahim A. Darwish1,
Tarek Aboul-Fadl1, Selective Spectrophotometric and Spectrofluorometric
Methods for the Determination of Amantadine
Hydrochloride in Capsules and Plasma via Derivatization
with 1,2-Naphthoquinone-4-Sulphonate, Anal Chem, vol. 2009, pp. 8, 2009
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13-Ibrahim A. Darwish1, Ashraf M. Mahmoud1,2, Tarek Aboul-Fadl1,
Abdul-Rahman A. Al-Majed1, Nasr Y. Khalil1, A Highly Sensitive Enzyme Immunoassay for Evaluation of
2'-Deoxy-Cytidine Plasma Level as a Prognostic Marker for
Breast Cancer Chemotherapy, Anal. Chim. Acta, vol. 632, pp. 266 - 271, 2009
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14- Ashraf M. Mahmoud, Nasr Y. Khalil, Ibrahim A. Darwish, Tarek Aboul-Fadl, Selective Spectrophotometric and Fluorometric Method for the Determination of Amantadine Hydrochloride in Capsules and Plasma via Derivatization with Sodium 1,2- Naphthoquinone-4-Sulphonate, Intl. J. Anal. Chem, Hindawi Publishing Corporation, 1-9, 2009
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15-Ibrahim A. Darwish, Ashraf M. Mahmoud, Tarek Aboul-Fadl, Abdul-Rahman A. Al-Majed, Nasr Y. Khalil , A highly sensitive enzyme immunoassay for evaluation of 2_-deoxycytidine plasma level as a prognostic marker for breast cancer chemotherapy, Analytica Chimica Acta, 632, 266–271, 2009
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16-Tarek Aboul-Fadl , Ashraf M. Mahmoud, Nasr Y. Khalil, Ibrahim A. Darwish and Abdul-Rahman Al-Obaid , Evaluation of The Pharmacokinetic of New Amantadine Prodrugs As Hepatic Delivery Systems to Enhance Its Activity Against HCV by A New HPLC Method. , 237th American Chemical Society meeting, Salt Lake City, Utah-USA, March 22-26, 2009., 2009
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17-Ibrahim A. Darwish1, Hassan F. Askal1, Alaa S. Khedr1,
Ramadan M. Mahmoud2, Stability-Indicating Thin-Layer Chromatographic Method for
Quantitative Determination of Ribavirin, Chromatographic Science, vol. 46 , pp. 4 - 9, 2008
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18-Hassan F. Askal1, Ibrahim H. Refaat1, Ibrahim A. Darwish1,
Mostafa A. Marzouq2, A Selective Spectrophotometric Method for Determination
of Rosoxacin Antibiotic Using Sodium Nitroprusside as a
Chromogenic Reagent, Spectrochimica Acta, Part A, vol. 69, pp. 1287 - 1291, 2008
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19-Hassan F. Askal1, Alaa S. Khedr1, Ibrahim A. Darwish1,
Ramadan M. Mahmoud2, Quantitative Thin-Layer Chromatographic Method for
Determination of Amantadine Hydrochloride, Biomed. Sci, vol. 4 - No. 2, pp. 155 - 160, 2008
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20-Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2, A Sensitive Spectrophotometric Method for the
Determination of H2-Receptor Antagonists by Means of NBromosuccinimide
and p-Aminophenol, Acta Pharm, vol. 58, pp. 87 – 97, 2008
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21-Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2, Spectrophotometric Determination of H2-Receptor
Antagonists via their Oxidation with Cerium(IV), Spectrochimica Acta, Part A, vol. 69, pp. 33 - 40, 2008
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22-Ibrahim A. Darwish1, Ashraf M. Mahmoud1,2, Nasr Y. Khalil1, Non-Extractive Procedure and Pre-Column Derivatization
with 7-Chloro-4-Nitrobenzo-2-Oxa-1,3-Diazole for Trace
Determination of Trimetazidine in Plasma by HPLC with
Fluorescence Detection, AOAC Int., vol. 91 - No. 5, pp. 1037 - 1044, 2008
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