P Umapathi

Quantitative Determination of Metformin Hydrochloride in Tablet Formulation Containing Croscarmellose Sodium as Disintegrant by HPLC and UV Spectrophotometry

P Umapathi, J Ayyappan, S. Darlin Quine · Tropical Journal of Pharmaceutical Research · 2012 · 52 citations · Full text

Metformin Hydrochloride, Pharmaceutical Science, Quantitative Determination +17

Determination of atenolol, nifedipine, aspirin and dipyridamole in tablet preparations by second-order derivative spectrophometry

P Umapathi · International Journal of Pharmaceutics · 1994 · 23 citations

Medicinal Chemistry, Pharmaceutical Science, Tablet Preparations +15

Development and Validation of a Dissolution Test Method for Artemether and Lumefantrine in Tablets

P Umapathi, J Ayyappan, S. Darlin Quine · Tropical Journal of Pharmaceutical Research · 2011 · 18 citations · Full text

Second-order derivative spectrophotometric assay for imipramine hydrochloride and diazepam in pure admixtures and in dosage forms

P Umapathi, P. Parimoo · Journal of Pharmaceutical and Biomedical Analysis · 1995 · 16 citations

Second-order Derivative Spectrophotometric, Pharmacological Study, Medicine +13

Simultaneous quantitative determination of salbutamol sulfate and bromhexine hydrochloride in drug preparations by difference spectrophotometry

P. Parimoo, P Umapathi, K. Ilango · International Journal of Pharmaceutics · 1993 · 16 citations

Biochemistry, Medicine, Drug Discovery +15