Formulations- Small Molecules Publications
R. Suryanarayanan and A.G. Mitchell, Modified USP assay of calcium gluceptate. J. Pharm. Sci., 70, 968 (1981).
R. Suryanarayanan and A.G. Mitchell, The precipitation of calcium gluceptate from aqueous solutions. J. Pharm. Sci., 73, 78-82 (1984).
A.G. Mitchell and R. Suryanarayanan, Solubility of calcium gluceptate and the preparation of calcium gluceptate injection USP. J. Parenteral Sci. Tech., 40, 48-51 (1986).
A.K. Dash and R. Suryanarayanan, A sensitive liquid-chromatographic method for determination of tobramycin in pharmaceutical formulations. J. Pharm. Biomed. Anal., 9, 237-245 (1991).
W.W.L. Young and R. Suryanarayanan, Kinetics of transition of anhydrous carbamazepine to carbamazepine dihydrate in aqueous suspensions. J. Pharm. Sci., 89, 496-500 (1991).
R. Suryanarayanan and C.S. Herman, Quantitative analysis of the active ingredient in a multi-component tablet formulation by powder X-ray diffractometry. Int. J. Pharm., 77, 287-295 (1991).
R. Suryanarayanan, S. Venkatesh, L. Hodgin and P. Hanson, Determination of the physical state of salicylic acid in hydrogel formulations by X-ray diffractometry. Int. J. Pharm., 78, 77-83 (1992).
S. Venkatesh, L. Hodgin, P. Hanson and R. Suryanarayanan, In vitro release of salicylic acid from hydrogel drug delivery systems. J. Controlled Release, 18, 13-18 (1992).
P.J. Camarata, R. Suryanarayanan, D.A. Turner, R.G. Parker and T.J. Ebner, Sustained release of nerve growth factor from biodegradable polymer microspheres. Neurosurgery, 30, 313-319 (1992).
A.K. Dash and R. Suryanarayanan, An implantable dosage form for the treatment of bone infections. Pharm. Res., 9, 993-1002 (1992).
R. Suryanarayanan, Q. Wu and Y.E. Rahman, Development of a suspension formulation of 1,2-dimethyl-3-hydroxy-pyrid-4-one (DMHP) for the treatment of iron overload, Medical and Surgical Paediatrics, G.J. Kontoghiorhes and V. Carnelli (Eds.,), October, 1994.
N.V. Phadnis and R. Suryanarayanan, Polymorphism in anhydrous theophylline - implications on the dissolution rate of theophylline tablets. J. Pharm. Sci., 86, 1256-1263 (1997).
J. Han and R. Suryanarayanan, Influence of environmental conditions on the kinetics and mechanism of dehydration of carbamazepine dihydrate. Pharm. Dev. Tech., 3, 587-596 (1998).
A.K. Dash, A. Khin-Khin and R. Suryanarayanan, X-ray powder diffractometric method for quantitation of crystalline drug in microparticulate systems. I. Microspheres. J. Pharm. Sci., 91, 983-999 (2002).
A. Pyne, K. Chatterjee and R. Suryanarayanan, Solute crystallization in mannitol-glycine systems - implications on protein stabilization in freeze-dried formulations. J. Pharm. Sci., 92, 2272-2283 (2003).
R. Surana, A. Pyne and R. Suryanarayanan, Solid-vapor interactions: Influence of environmental conditions on the dehydration of carbamazepine dehydrate. AAPS PharmSci Tech 4, Article 68, (2003).
S. Debnath and R. Suryanarayanan, Influence of processing-induced phase transformations on the dissolution of theophylline tablets. AAPS PharmSci Tech 5, Article 8, (2004).
S. Debnath, P. Predecki and R. Suryanarayanan, Use of glancing angle X-ray powder diffractometry to depth-profile phase transformations during dissolution of indomethacin and theophylline tablets. Pharm. Res., 21, 149-159 (2004).
C. Nunes, J. Han, D. Monkhouse and R. Suryanarayanan, Preformulation studies to meet the challenges in the manufacture of betaine solid dosage form. J. Pharm. Sci., 93, 38-47 (2004).
J.D. Meyer, S.J. Bai, M. Rani, R. Suryanarayanan, R. Nayar, J.F. Carpenter and M.C. Manning, Infrared spectroscopic studies of protein formulations containing glycine. J. Pharm. Sci., 93, 1359-1366 (2004).
S.J. Bai, M. Rani, R. Suryanarayanan, J.F. Carpenter, R. Nayar and M.C. Manning, Quantification of glycine crystallinity by near-infrared (NIR) spectroscopy. J. Pharm. Sci., 93, 2439-2447 (2004).
C. Telang and R. Suryanarayanan, Crystallization of cephalothin sodium during lyophilization from tert-butyl alcohol - water cosolvent system. Pharm. Res., 22, 153-160 (2005).
H. Yamada and R. Suryanarayanan, Calculation of the penetration depth of X-rays in intact pharmaceutical film-coated tablets by microdiffractometry. Pharm. Res., 23, 2149-2157 (2006).
R. Govindarajan, A.V. Zinchuk, B.C. Hancock, E.Y. Shalaev and R. Suryanarayanan, Ionization states in the microenvironment of solid dosage forms: Effect of formulation variables and processing. Pharm. Res., 23, 2454-2468 (2006).
J.S. Tantry, J. Tank, R. Suryanarayanan, Processing-induced phase transitions of theophylline-implications on the dissolution of theophylline tablets. J. Pharm. Sci., 96, 1434-1444 (2007).
H. Yamada, R. Suryanarayanan, X-ray powder diffractometry of intact film coated tablets - an approach to monitor the physical form of the active pharmaceutical ingredient during processing and storage. J. Pharm. Sci., 96, 2029-2036 (2007).
P. Chakravarty, S. Bhardwaj, L. King, R. Suryanarayanan, Monitoring phase transformations in intact tablets of α,α- Trehalose by FT-Raman spectroscopy, AAPS PharmSciTech, 10, 1420-1426 (2009).
P. Chakravarty, R. Suryanarayanan, R. Govindarajan, Phase transformation in thiamine hydrochloride tablets: Influence on tablet microstructure, physical properties, and performance, J. Pharm. Sci., 101(4), 1410-1422 (2012).
N. Thakral, V. Ragoonanan, R. Suryanarayanan, Quantification, Mechanism, and Mitigation of Active Ingredient Phase Transformation in Tablets, Mol. Pharm., 10(8), 3128-3136 (2013).