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Pharmaceutical microcalorimetry: applications to long-term stability studies

Beezer, Anthony E., Gaisford, Simon, Hills, Andrew K., Willson, Richard J., Mitchell, John C. (1999) Pharmaceutical microcalorimetry: applications to long-term stability studies. International Journal of Pharmaceutics, 179 (2). pp. 159-165. ISSN 0378-5173. (doi:10.1016/S0378-5173(98)00336-6) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:17065)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1016/S0378-5173(98)00336-6

Abstract

Calorimetry has been a mainstay of stability analyses for some time in the form of differential scanning microcalorimetry (DSC). This technique exploits high (relatively) temperature studies of pure materials and of formulations to accelerate any degradation or interactions. The behaviour of the material at storage or ambient conditions is then estimated via extrapolation from the Arrhenius equation. Recent developments in isothermal microcalorimetry allow the direct determination of both kinetic and thermodynamic parameters for long, slow reactions from studies conducted at appropriate temperatures and under designated environmental control (pH, pO(2), RH etc.). This review introduces the kinetic analysis of microcalorimetric data and, through selected examples, shows applications of the method. (C) 1999 Elsevier Science B.V. All rights reserved.

Item Type: Article
DOI/Identification number: 10.1016/S0378-5173(98)00336-6
Uncontrolled keywords: isothermal microcalorimetry; kinetics; stability
Subjects: Q Science > QD Chemistry
Q Science > QC Physics
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: M. Nasiriavanaki
Date Deposited: 13 Jul 2009 07:44 UTC
Last Modified: 16 Nov 2021 09:55 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/17065 (The current URI for this page, for reference purposes)

University of Kent Author Information

Willson, Richard J..

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