Biphasic liquid dosage forms Doctor of Pharmacy (Pharm.D) 1st Year 2025 (2024-2025) Previous Year's Question Papers/Notes Download - HK Technical PGIMS

Introduction to Biphasic Liquid Dosage Forms

• Definition and characteristics of biphasic systems

Types of Biphasic Liquid Dosage Forms

• Emulsions: o/w (oil-in-water) and w/o (water-in-oil)
• Suspensions: liquid-liquid and liquid-solid systems

Formulation Considerations

• Emulsifying agents and stabilizers
• Particle size reduction techniques for suspensions

Physicochemical Properties

• Factors affecting phase separation and stability
• Rheological properties and their significance

Stability Studies

• Stability testing methods (e.g., centrifugation)
• Shelf-life determination and storage conditions

EVALUATION

Packaging and Labeling