Abdulrahman A Al-Majed

Summary

Publications

  1. pmc Trace determination of lenalidomide in plasma by non-extractive HPLC procedures with fluorescence detection after pre-column derivatization with fluorescamine
    Nasr Y Khalil
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P, O, Box 2457, Riyadh, 11451, Saudi Arabia
    Chem Cent J 7:52. 2013
  2. pmc Development of square-wave adsorptive stripping voltammetric method for determination of acebutolol in pharmaceutical formulations and biological fluids
    Ali F Al-Ghamdi
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P, O, Box 2457, Riyadh 11451, Saudi Arabia
    Chem Cent J 6:15. 2012
  3. doi request reprint A direct HPLC method for the resolution and quantitation of the R-(-)- and S-(+)-enantiomers of vigabatrin (gamma-vinyl-GABA) in pharmaceutical dosage forms using teicoplanin aglycone chiral stationary phase
    Abdulrahman A Al-Majed
    Department of Pharmaceutical Chemistry, King Saud University, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 50:96-9. 2009
  4. ncbi request reprint Spectrophotometric estimation of D-penicillamine in bulk and dosage forms using 2,6-dichloroquinone-4-chlorimide (DCQ)
    A A Al-Majed
    King Saud University, College of Pharmacy, Pharmaceutical Chemistry Department, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 21:827-33. 1999
  5. ncbi request reprint Voltammetric determination of parthenolide in spiked human plasma and urine
    F Belal
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 2457, PO Box 11451, Saudi Arabia
    Phytochem Anal 12:250-4. 2001
  6. ncbi request reprint Use of 7-fluoro-4-nitrobenzo-2-oxo-1,3-diazole (NBD-F) for the determination of ramipril in tablets and spiked human plasma
    A A Al-Majed
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
    Farmaco 56:291-6. 2001
  7. ncbi request reprint Use of mixed anhydrides for the determination of terfenadine in dosage forms and spiked human plasma
    A A Al-Majed
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 23:281-9. 2000
  8. ncbi request reprint Kinetic spectrophotometric determination of josamycin in formulations and spiked human plasma using 3-methylbenzothiazolin-2-one hydrazone/Fe+3 system
    Abdulrahman A Al-Majed
    King Saud University, Department of Pharmaceutical Chemistry, College of Pharmacy, PO Box 2457, Riyadh 11451, Saudi Arabia
    J AOAC Int 87:352-9. 2004
  9. ncbi request reprint New nonextractive and highly sensitive high-performance liquid chromatographic method for determination of paroxetine in plasma after offline precolumn derivatization with 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole
    Ibrahim A Darwish
    King Saud University, College of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 2457, Riyadh 11451, Saudi Arabia
    J AOAC Int 92:1349-55. 2009
  10. ncbi request reprint Kinetic spectrophotometric determination of the macrolide antibiotic josamycin in formulations
    Abdulrahman A Al-Majed
    King Saud University, College of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 2457, Riyadh, Saudi Arabia
    J AOAC Int 86:484-9. 2003

Collaborators

Detail Information

Publications11

  1. pmc Trace determination of lenalidomide in plasma by non-extractive HPLC procedures with fluorescence detection after pre-column derivatization with fluorescamine
    Nasr Y Khalil
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P, O, Box 2457, Riyadh, 11451, Saudi Arabia
    Chem Cent J 7:52. 2013
    ..Lenalidomide (LND) is a new potent drug used for treatment of multiple myeloma. For its pharmacokinetic studies and therapeutic monitoring, a proper analytical method was required...
  2. pmc Development of square-wave adsorptive stripping voltammetric method for determination of acebutolol in pharmaceutical formulations and biological fluids
    Ali F Al-Ghamdi
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P, O, Box 2457, Riyadh 11451, Saudi Arabia
    Chem Cent J 6:15. 2012
    ..6 ± 0.64%. Results of the developed square-wave adsorptive stripping voltammetry (SW-AdSV) method were comparable with those obtained by reference analytical method...
  3. doi request reprint A direct HPLC method for the resolution and quantitation of the R-(-)- and S-(+)-enantiomers of vigabatrin (gamma-vinyl-GABA) in pharmaceutical dosage forms using teicoplanin aglycone chiral stationary phase
    Abdulrahman A Al-Majed
    Department of Pharmaceutical Chemistry, King Saud University, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 50:96-9. 2009
    ..3-99.8% with %RSD ranged from 0.48 to 0.52%. The limit of quantification (LOQ) and limit of detection (LOD) for each enantiomer were 100 and 25microg/ml, respectively. No interferences were found from commonly co-formulated excipients...
  4. ncbi request reprint Spectrophotometric estimation of D-penicillamine in bulk and dosage forms using 2,6-dichloroquinone-4-chlorimide (DCQ)
    A A Al-Majed
    King Saud University, College of Pharmacy, Pharmaceutical Chemistry Department, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 21:827-33. 1999
    ..57%. The results obtained were sufficiently accurate, reproducible and in accordance with those given by the official method. The method is specific for the intact drug, and can be adopted in the presence of some interfering substances...
  5. ncbi request reprint Voltammetric determination of parthenolide in spiked human plasma and urine
    F Belal
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 2457, PO Box 11451, Saudi Arabia
    Phytochem Anal 12:250-4. 2001
    ..The described analytical method was applied to the determination of parthenolide in spiked human urine and plasma; the percentage recoveries were 95.72 +/- 0.22 and 94.0 +/- 0.13 (+/- standard deviation; n = 9), respectively...
  6. ncbi request reprint Use of 7-fluoro-4-nitrobenzo-2-oxo-1,3-diazole (NBD-F) for the determination of ramipril in tablets and spiked human plasma
    A A Al-Majed
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
    Farmaco 56:291-6. 2001
    ..08+/-1.11%. The results obtained are in good agreement with those obtained by the reference method. No interference could be observed from the co-administered drug (hydrochlorothiazines)...
  7. ncbi request reprint Use of mixed anhydrides for the determination of terfenadine in dosage forms and spiked human plasma
    A A Al-Majed
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
    J Pharm Biomed Anal 23:281-9. 2000
    ..The percentage recovery was 99.35 +/- 2.19. The method is highly sensitive and specific. No interference was noticed from co-formulated drugs, such as pseudoephedrine and ibuprofen...
  8. ncbi request reprint Kinetic spectrophotometric determination of josamycin in formulations and spiked human plasma using 3-methylbenzothiazolin-2-one hydrazone/Fe+3 system
    Abdulrahman A Al-Majed
    King Saud University, Department of Pharmaceutical Chemistry, College of Pharmacy, PO Box 2457, Riyadh 11451, Saudi Arabia
    J AOAC Int 87:352-9. 2004
    ..The recovery (n = 8) was 100.76 +/- 3.43%. The stoichiometry of the reaction between the drug and the reagent was studied by adopting the limiting logarithmic method, and a proposal of the reaction pathway was presented...
  9. ncbi request reprint New nonextractive and highly sensitive high-performance liquid chromatographic method for determination of paroxetine in plasma after offline precolumn derivatization with 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole
    Ibrahim A Darwish
    King Saud University, College of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 2457, Riyadh 11451, Saudi Arabia
    J AOAC Int 92:1349-55. 2009
    ..The results demonstrated that the method would have a great value when it is applied in the therapeutic monitoring of PXT...
  10. ncbi request reprint Kinetic spectrophotometric determination of the macrolide antibiotic josamycin in formulations
    Abdulrahman A Al-Majed
    King Saud University, College of Pharmacy, Department of Pharmaceutical Chemistry, PO Box 2457, Riyadh, Saudi Arabia
    J AOAC Int 86:484-9. 2003
    ..The effect of sensitizers and surfactants on the performance of the proposed method was also studied. A proposal of the reaction pathway was presented...
  11. ncbi request reprint Spectrofluorometric determination of nimodipine in dosage forms and human urine
    F Belal
    Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
    Pharmazie 58:874-6. 2003
    ..The method was further extended to the in vitro determination of NDP in spiked human urine samples. The % recovery was 102.1 +/- 2.54 (n = 4). A proposal of the reduction reaction pathway was postulated...