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Al-Tayar, Naef Ghllab Saeed and Nagaraja, P. and Vasantha, R. A. and Shresta, Ashwinee Kumar (2012) A spectrophotometric assay method for vanadium in biological and environmental samples using 2,4-dinitrophenylhydrazine with imipramine hydrochloride. Environmental Monitoring and Assessment, 184 (1). pp. 181-191. ISSN 1573-2959
Vasantha, R. A. and Nagaraja, P. and Yathirajan, H. S. (2004) New sensitive methods for the spectrophotometric determination of some catecholamine derivatives. Proceedings-National Academy of Sciences India Section A, 74 (3). pp. 261-266. ISSN 2250-1762
Nagaraja, P. and Vasantha, R. A. and Yathirajan, H. S. (2003) Sensitive spectrophotometric method for the determination of indomethacin in capsules. Journal of Pharmaceutical and Biomedical Analysis, 31 (3). 563 - 569. ISSN 1873-264X
Nagaraja, P. and Yathirajan, H. S. and Vasantha, R. A. (2003) Highly sensitive reaction of tryptophan with p-phenylenediamine. Analytical Biochemistry, 312 (2). 157 - 161. ISSN 1096-0309
Nagaraja, P. and Yathirajan, H. S. and Raju, C. R. and Vasantha, R. A. and Nagendra, P. and Hemantha Kumar, M. S. (2003) 3-Aminophenol as a novel coupling agent for the spectrophotometric determination of sulfonamide derivatives. Il Farmaco, 58 (12). 1295 - 1300.
Nagaraja, P. and Sunitha, K. R. and Yathirajan, H. S. and Vasantha, R. A. (2003) Spectrophotometric determination of 4,4'-Sulphonyldianiline. Indian journal of pharmaceutical sciences, 65 (1). p. 82. ISSN 1998-3743
Nagaraja, P. and Arun Kumar, H. R. and Vasantha, R. A. and Yathirajan, H. S. (2003) Spectrophotometric determination of nimesulide by oxidative coupling with N-bromosuccinimide and promethazine hydrochloride. Oxidation communications, 26 (1). pp. 116-120. ISSN 0209-4541
Nagaraja, P. and Sunitha, K. R. and Vasantha, R. A. and Yathirajan, H. S. (2002) Iminodibenzyl as a novel coupling agent for the spectrophotometric determination of sulfonamide derivatives. European Journal of Pharmaceutics and Biopharmaceutics, 53 (2). 187 - 192. ISSN 1873-3441
Nagaraja, P. and Vasantha, R. A. and Yathirajan, H. S. (2002) Métodos sensitivos para la determinación espectrofotométrica de los compuestos antineoplásicos. Ars Pharmaceutica, 43 (3-4). pp. 121-133. ISSN 2340-9894
Nagaraja, P. and Yathirajan, H. S. and Arun Kumar, H. R. and Vasantha, R. A. (2002) Novel coupling reagents for the sensitive spectrophotometric determination of nimesulide in pharmaceutical preparations. Journal of Pharmaceutical and Biomedical Analysis, 29 (1). 277 - 282. ISSN 1873-264X
Nagaraja, P. and Yathirajan, H. S. and Sunitha, K. R. and Vasantha, R. A. (2002) Novel methods for the rapid spectrophotometric determination of dapsone. Analytical Letters, 35 (9). pp. 1531-1540. ISSN 1532-236X
Nagaraja, P. and Arun Kumar, H. R. and Vasantha, R. A. and Yathirajan, H. S. (2002) Novel reagents for the sensitive spectrophotometric determination of flutamide, an anticancer drug in pharmaceutical preparations. International Journal of Pharmaceutics, 235 (1). 113 - 120. ISSN 1873-3476
Nagaraja, P. and Sunitha, K. R. and Vasantha, R. A. and Yathirajan, H. S. (2002) Rapid spectophotometric determination of sulphonamide derivatives with resorcinol. Indian journal of pharmaceutical sciences, 64 (4). p. 391. ISSN 1998-3743
Nagaraja, P. and Vasantha, R. A. and Yathirajan, H. S. (2002) Spectrophotometric determination of folic acid in pharmaceutical preparations by coupling reactions with iminodibenzyl or 3-aminophenol or sodium molybdate–pyrocatechol. Analytical Biochemistry, 307 (2). 316 - 321. ISSN 1096-0309
Nagaraja, P. and Sunitha, K. R. and Vasantha, R. A. and Yathirajan, H. S. (2002) Spectrophotometric determination of metronidazole and tinidazole in pharmaceutical preparations. Journal of Pharmaceutical and Biomedical Analysis, 28 (3). 527 - 535. ISSN 1873-264X
Nagaraja, P. and Yathirajan, H. S. and Arun Kumar, H. R. and Vasantha, R. A. (2002) Spectrophotometric methods For the determination of Flutamide in Tablets. Indian Journal of Pharmaceutical Sciences, 64 (3). p. 272. ISSN 1998-3743
Nagaraja, P. and Vasantha, R. A. and Yathirajan, H. S. (2002) Spectrophotometric methods for the rapid determination of menadione and menadione sodium bisulphite and their application in pharmaceutical preparations. Journal of Pharmaceutical and Biomedical Analysis, 28 (1). 161 - 168. ISSN 1873-264X
Nagaraja, P. and Yathirajan, H. S. and Sunitha, K. R. and Vasantha, R. A. (2002) A new, sensitive, and rapid spectrophotometric method for the determination of sulfa drugs. Journal of Aoac International, 85 (4). pp. 869-874. ISSN 1944-7922
Nagaraja, P. and Vasantha, R. A. and Murthy, K. C. S. and Rangappa, K. S. (2001) Spectrophotometric determination of some aromatic vic-diols in the pharmaceutical formulations. Chemia Analityczna, 46 (4). pp. 569-577.
