Amorphous Pharmaceuticals Publications
Y. Li, J. Han, G.G.Z. Zhang, D.J.W. Grant and R. Suryanarayanan, In situ dehydration of carbamazepine dihydrate - a novel technique to prepare amorphous anhydrous carbamazepine. Pharm. Dev. Tech., 5, 257-266 (2000).
R. Surana, L. Randall, A. Pyne, N. M. Vemuri and R. Suryanarayanan, Determination of glass transition temperature and in situ study of the plasticizing effect of water by inverse gas chromatography. Pharm. Res., 20, 1647-1654 (2003).
R. Surana, A. Pyne and R. Suryanarayanan, Effect of aging on the physical properties of amorphous trehalose. Pharm. Res., 21, 867-874 (2004).
R. Surana, A. Pyne and R. Suryanarayanan, Effect of preparation method on physical properties of amorphous trehalose. Pharm. Res., 21, 1167-1172 (2004).
C. Nunes, A. Mahendrasingam and R. Suryanarayanan, Quantification of crystallinity in substantially amorphous materials by synchrotron X-ray powder diffractometry. Pharm. Res., 22, 1942-1953 (2005).
K. Chatterjee, E.Y. Shalaev and R. Suryanarayanan and R. Govindarajan, Correlation between chemical reactivity and the Hammett acidity function in amorphous solids using inversion of sucrose as a model reaction. J. Pharm. Sci., 97, 274-286 (2008).
I. Dranca, S. Bhattacharya, S. Vyazovkin, R. Suryanarayanan, Implications of global and local mobility in amorphous sucrose and as determined by Differential Scanning Calorimetry. Pharm. Res., 26, 1064-1072 (2009).
S. Bhattacharya, R. Suryanarayanan, Local mobility in amorphous pharmaceuticals - characterization and implications on stability. J. Pharm. Sci, 98 (9), 2935-2953 (2009).
B. Bhatnagar, S. Martin, E. Shalaev, D. Teagarden, R. Suryanarayanan, Investigation of PEG crystallization in frozen PEG - Sucrose - Water Solutions. I. Characterization of the non-equilibrium behavior during freeze-thawing, J. Pharm. Sci., 99 (6), 2609-2619 (2010).
B. Bhatnagar, S. Martin, E. Shalaev, D. Teagarden, R. Suryanarayanan, Investigation of PEG crystallization in frozen PEG - sucrose-water solutions: II. Characterization of the equilibrium behavior during freeze-thawing. J. Pharm. Sci., 99 (11), 4510-4524 (2010).
S. Bhattacharya, R. Suryanarayanan, Molecular motions in sucrose-PVP and sucrose-sorbitol dispersions: I. Implications of global and local mobility on stability, Phar,. Res., 28(9), 2191-2203 (2011).
S. Bhardwaj, K. Arora, E. Kwong, A. Templeton, A.-D. Clas, R. Suryanarayanan, , R. Suryanarayanan, Correlation between molecular mobility and physical stability of amorphous itraconazole, Mol. Pharm., 10(2), 1779-1789 (2013).
A. Saxena, Y.C. Jean, R. Suryanarayanan, Annealing Effect Reversal by Water Sorption-Desorption and Heating above the Glass Transition Temperature- Comparison of Properties, Mol. Pharm., 10(8), 3005-3012 (2013).