Recent developments for the analysis of data obtained from isothermal calorimetry

Area of Science:

• Physical Chemistry
• Materials Science
• Pharmaceutical Science

Background:

• Isothermal calorimetry is increasingly vital for quantitative analysis of kinetic and thermodynamic parameters.
• Its application is expanding in investigating the stability and incompatibility of pharmaceutical materials.

Purpose of the Study:

• To review equations for calculating parameters like rate constant and enthalpy from calorimetric data.
• To discuss limitations and recent advancements in applying these equations, especially for flow calorimetry.
• To address the complexity of pharmaceutical formulations in calorimetric analysis.

Main Methods:

• Review of existing equations for calorimetric data analysis.
• Discussion of limitations in applying these equations to complex systems.
• Highlighting recent developments for flow calorimetry and complex mixtures.

Main Results:

• Several equations exist for determining kinetic and thermodynamic parameters from calorimetric output.
• Application to complex pharmaceutical formulations presents significant challenges due to multiple concurrent processes.
• Recent advancements aim to improve the analysis of complex calorimetric data.

Conclusions:

• Accurate calculation of kinetic and thermodynamic parameters is essential for understanding material behavior.
• The complexity of pharmaceutical formulations necessitates advanced analytical approaches for calorimetric data.
• Continued development is needed to overcome limitations in applying calorimetric equations to intricate systems.