Spectral Investigation and Analytical Application of the
Vinylamino-Substituted haloquinone derivatives of
Nizatidine and Ranitidine

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein2 , Ashraf M.
Mahmoud2, Ahmed I. Hassan3
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Res. Pharm. Sci
Research Member
Samiha Abdel-Rahman Hussein Mohammed
Research Rank
2
Research Vol
vol. 1 - No. 1
Research Year
2010

Spectral Investigation and Analytical Application of the
Vinylamino-Substituted haloquinone derivatives of
Nizatidine and Ranitidine

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein2 , Ashraf M.
Mahmoud2, Ahmed I. Hassan3
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Res. Pharm. Sci
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 1 - No. 1
Research Year
2010

A Highly Sensitive Enzyme Immunoassay for Evaluation of
2'-Deoxy-Cytidine Plasma Level as a Prognostic Marker for
Breast Cancer Chemotherapy

Research Authors
Ibrahim A. Darwish1, Ashraf M. Mahmoud1,2, Tarek Aboul-Fadl1,
Abdul-Rahman A. Al-Majed1, Nasr Y. Khalil1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Anal. Chim. Acta
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
2
Research Vol
vol. 632
Research Year
2009

A Highly Sensitive Enzyme Immunoassay for Evaluation of
2'-Deoxy-Cytidine Plasma Level as a Prognostic Marker for
Breast Cancer Chemotherapy

Research Authors
Ibrahim A. Darwish1, Ashraf M. Mahmoud1,2, Tarek Aboul-Fadl1,
Abdul-Rahman A. Al-Majed1, Nasr Y. Khalil1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Anal. Chim. Acta
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 632
Research Year
2009

Selective Spectrophotometric and Spectrofluorometric
Methods for the Determination of Amantadine
Hydrochloride in Capsules and Plasma via Derivatization
with 1,2-Naphthoquinone-4-Sulphonate

Research Authors
Ashraf M. Mahmoud1,2, Nasr Y. Khalil1, Ibrahim A. Darwish1,
Tarek Aboul-Fadl1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Anal Chem
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 2009
Research Year
2009

Selective Spectrophotometric and Spectrofluorometric
Methods for the Determination of Amantadine
Hydrochloride in Capsules and Plasma via Derivatization
with 1,2-Naphthoquinone-4-Sulphonate

Research Authors
Ashraf M. Mahmoud1,2, Nasr Y. Khalil1, Ibrahim A. Darwish1,
Tarek Aboul-Fadl1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Anal Chem
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
2
Research Vol
vol. 2009
Research Year
2009

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

Research Authors
Ibrahim A. Darwish1, Abdulrahman A. Al-Majed1,
Ashraf M. Mahmoud1,2, Nasr Y. Khalil1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
AOAC Int
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
2
Research Vol
vol. 92 - No. 5
Research Year
2009

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

Research Authors
Ibrahim A. Darwish1, Abdulrahman A. Al-Majed1,
Ashraf M. Mahmoud1,2, Nasr Y. Khalil1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
AOAC Int
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 92 - No. 5
Research Year
2009

Reconstructed Epidermis and Full-Thickness Skin for
Absorption Testing: Influence of the Vehicles used on
Steroid Permeation

Research Authors
Monika Schäfer-Korting1, Ashraf Mahmoud1,3, Simone
Lombardi Borgia1, Barbara Brüggener1, Burkhard Kleuser1,
Sylvia Schreiber1, Wolfgang Mehnert2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
ATLA
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
1
Research Vol
vol. 36
Research Year
2008
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