1. Siddiqui, F.A., N. Sher, N. Shafi, H. Shamshad and A. Zubair, 2013. Kinetic and thermodynamic spectrophotometric technique to estimate gabapentin in pharmaceutical formulations using ninhydrin. J. Anal. Sci. Technol., Vol. 4 10.1186/2093-3371-4-17.
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2. Siddiqui, F.A., N. Sher, A. Zubair, H. Shamshad, N. Shafi and A.Z. Mirza, 2013. Analysis of metformin, glimepiride and pioglitazone in human serum and its application to harmacokinetics. Anal. Methods, 5: 5096-5104.
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3. Shafi, N., F.A. Siddiqui, H. Naseem, N. Sher and A. Zubair et al., 2013. An overview of analytical determination of diltiazem, cimetidine, ranitidine and famotidine by UV spectrophotometry and HPLC technique. J. Chem., Vol. 2013 10.1155/2013/184948.
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4. Naseen, H., N. Shaffi, F.A. Siddiqui, M.S. Arayne and N. Sultana, 2013. Interaction studies of gliquidone with citrus fruit juices by UV-Visible pectrophotometry. Int. J. Sci. Eng. Res., 4: 2231-2242.
5. Hasan, N., N. Sher, F.A. Siddiqui and N. Shafi, 2013. A new RP-HPLC method for quantitative determination of cefazolin sodium in pharmaceutical formulations and in vitro study in human serum. Res. Rep. Med. Chem., 3: 21-28.
6. Hasan, N., M. Chaiharn, S. Khan, H. Khalid, N. Sher, F.A. Siddiqui and M.Z. Siddiqui, 2013. Dual wavelength RP-HPLC method for simultaneous determination of two antispasmodic drugs: An application in pharmaceutical and human serum. J. Anal. Methods Chem., Vol. 2013 10.1155/2013/297285.
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7. Arayne, M.S., N. Sultana, M.H. Zuberi, F.A. Siddiqui and U. Haroon, 2013. Simultaneous determination of metformin, captopril, lisinopril and enalapril by RP-HPLC: Its applications in dosage formulations and in human serum. Med. Chem. Res., 22: 5717-5722.
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8. Sultana, N., M.S. Arayne, N. Shafi, F.A. Siddiqui and A. Hussain, 2011. Development and validation of new assay method for the simultaneous analysis of diltiazem, metformin, pioglitazone and rosiglitazone by RP-HPLC and its applications in pharmaceuticals and human serum. J. Chromatogr. Sci., 49: 774-779.
   PubMed  |  
9. Siddiqui, F.A., M.S. Arayne, N. Sultana and F. Qureshi, 2011. Development and validation of stability-indicating HPLC method for the simultaneous determination of paracetamol, tizanidine and diclofenac in pharmaceuticals and human serum. J. AOAC Int., 94: 150-158.
   PubMed  |  
10. Siddiqui, F.A., A.Z. Mirza, M.H. Zuberi and F. Qureshi, 2011. Optimization of quantitative analysis of buclizine hydrochloride using UV spectrophotometry in bulk drug and dosage formulations. Med. Chem. Res., 20: 121-124.
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11. Sultana, N., M. Saeed Arayne, N. Shafi, F.A. Siddiqui and A. Hussain, 2010. Development of a RP-HPLC method for the simultaneous analysis of diltiazem and statin: Application in pharmaceuticals and human serum. Anal. Methods, 2: 1571-1576.
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12. Siddiqui, F.A., M.S. Arayne, N. Sultana, F. Qureshi and A.Z. Mirza et al., 2010. Spectrophotometric determination of gabapentin in pharmaceutical formulations using ninhydrin and π-acceptors. Eur. J. Med. Chem., 45: 2761-2767.
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13. Siddiqui, F.A., M.S. Arayne, N. Sultana, A.Z. Mirza, F. Qureshi and M.H. Zuberi, 2010. Facile and manifest spectrophotometric methods for the determination of six quinolone antibiotics in pharmaceutical formulations using iron salts. Med. Chem. Res., 19: 1259-1272.
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14. Arayne, M.S., N. Sultana, M.H. Zuberi and F.A. Siddiqui, 2010. Simultaneous determination of metformin, cimetidine, famotidine and ranitidine in human serum and dosage formulations using HPLC with UV detection. J. Chromatographic Sci., 48: 721-725.
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15. Arayne, M.S., N. Sultana, M.A. Zeeshan and F.A. Siddiqui, 2010. Simultaneous determination of gliquidone, fexofenadine, buclizine and levocetirizine in dosage formulation and human serum by RP-HPLC. J. Chromatographic Sci., 48: 382-385.
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16. Arayne, M.S., N. Sultana, F.A. Siddiqui, S. Naseem and F. Qureshi, 2010. Simultaneous determination of pyrimethamine, sulfadoxine, mefloquine and ibuprofen in pharmaceutical formulations by RP-HPLC. Med. Chem. Res., 19: 1043-1054.
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17. Arayne, M.S., N. Sultana, F.A. Siddiqui, A.Z. Mirza, F. Qureshi and M.H. Zuberi, 2010. Simultaneous determination of piracetam and its four impurities by RP-HPLC with UV detection. J. Chromatographic Sci., 48: 589-594.
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18. Arayne, M.S., N. Sultana, A.Z. Mirza and F.A. Siddiqui, 2010. A validated RP-HPLC method for quantitation of gliquidone in pharmaceutical formulation and human serum. J. Chil. Chem. Soc., 55: 156-158.
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19. Sultana, N., M.S. Arayne, N. Shafi and F.A. Siddiqui, 2009. Simultaneous determination of diltiazem and NSAIDs in Pharmaceutical formulations and human serum by RP-HPLC. Chromatographia, 71: 71-77.
20. Siddiqui, F.A., M. Saeed Arayne, N. Sultana, F. Qureshi, A.Z. Mirza and H. Shehnaz, 2009. Quantitative determination of fluoroquinolonic antibiotics: Pefloxacin, norfloxacin, ciprofloxacin and ofloxacin in pharmaceutical preparations and human serum by high-performance liquid chromatography using multi-wavelength calibration technique. Chemia Analityczna, 54: 1465-1485.
21. Arayne, M.S., N. Sultana, M.H. Zuberi and F.A. Siddiqui, 2009. Spectrophotometric quantitation of metformin in bulk drug and pharmaceutical formulations using multivariate technique. Indian J. Pharm. Sci., 71: 331-335.
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22. Arayne, M.S., N. Sultana, F. Qureshi, F.A. Siddiqui, A.Z. Mirza, S.S. Bahadur and M.H. Zuberi, 2009. Simultaneous determination of tranexamic acid and losartan potassium in dosage formulations and human serum by RP-LC. Chromatographia, 70: 789-795.
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23. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2009. Simultaneous determination of paracetamol and orphenadrine citrate in dosage formulations and in human serum by RP-HPLC. J. Chin. Chem. Soc., 56: 169-174.
24. Arayne, M.S., N. Sultana, F.A. Siddiqui, A.Z. Mirza and M.H. Zuberi, 2008. Spectrophotometric techniques to determine tranexamic acid: Kinetic studies using ninhydrin and direct measuring using ferric chloride. J. Mol. Structure, 891: 475-480.
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25. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2008. Simultaneous determination of pyridoxine, meclizine and buclizine in dosage formulations and human serum by RP-LC. Chromatographia, 67: 941-945.
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26. Arayne, M.S., N. Sultana, F.A. Siddiqui, M.H. Zuberi and A.Z. Mirza, 2007. Spectrophotometric methods for the simultaneous analysis of meclezine hydrochloride and pyridoxine hydrochloride in bulk drug and pharmaceutical formulations. Pak. J. Pharm. Sci., 20: 149-156.
    PubMed  |  
27. Arayne, M.S., N. Sultana, A.Z. Mirza, M.H. Zuberi and F.A. Siddiqui, 2007. In vitro hypoglycemic activity of methanolic extract of some indigenous plants. Pak. J. Pharm. Sci., 20: 268-273.
    PubMed  |  
28. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2007. Optimization of levofloxacin analysis by RP-HPLC using multivariate calibration technique. Pak. J. Pharm. Sci., 20: 100-106.
    PubMed  |  
29. Arayne, M.S., N.A.J.M.A. Sultana and F.A. Siddiqui, 2006. Quantitation of buclizine hydrochloride in pharmaceutical formulations and human serum by RP-HPLC. Pak. J. Pharm. Sci., 19: 326-329.
    PubMed  |  
30. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2005. Determination and quantification of piroxicam in tablets by RP-HPLC. J. Indian Chem. Soc., 82: 838-841.
31. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2005. Determination and quantification of cetirizine HCl in dosage formulations by RP-HPLC. Pak. J. Pharm. Sci., 18: 7-11.
    PubMed  |  
32. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2005. A new RP-HPLC method for analysis of meloxicam in tablets. Pak. J. Pharm. Sci., 18: 58-62.
    PubMed  |  
33. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2005. A new RP-HPLC method for analysis of mebeverine hydrochloride in raw materials and tablets. Pak. J. Pharm. Sci., 18: 11-14.
    PubMed  |  
34. Arayne, M.S., N. Sultana and F.A. Siddiqui, 2005. In vitro availability of trimethylphloroglucinol and its degradation product from dosage formulations by RP-HPLC. Pak. J. Pharm. Sci., 18: 7-12.
    PubMed  |