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Surfactants in Pharmaceutical Products and Systems
- Surfactant Classification
- Physicochemical Background
- Surface and Interfacial Tension; Surface and Interfacial Free Energy
- Adsorption Phenomena
- Adsorption at Liquid-Liquid and Liquid-Gas Interfaces
- Adsorption at Solid-Liquid interfaces
- Contact Angles, Wetting and Immersion
- Modification of the Wetting Process by the Use of Surfactants
- Micellization -Phase Behavior of Surfactants in Aqueous Systems
- Surfactants’ Uses in Pharmaceutical Preparations
- Liquid Systems
- Semisolid Systems
- Solid Dosage Forms
- Hard Gelatin Capsules and Tablets
- Solid Dispersion Systems
- Matrix Systems
- Suppositories
- Surfactant Influence on Drug Absorption from the Gastro-Intestinal Tract
- Direct Actions of Surfactants
- Naturally Occurring Surfactants
- Surface Activity of Drugs
- Articles of Further Interest
- References
Abstract
Surface-active agents (surfactants) are substances which, at low concentrations, adsorb and equilibrate with the surfaces or interfaces of a system and alter the surface or interfacial free energy and the surface or interfacial tension.
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