Podcast
Questions and Answers
Which type of emulsion has the internal phase as water and the external phase as oil?
Which type of emulsion has the internal phase as water and the external phase as oil?
- w/o (water in oil) (correct)
- o/w/o (oil in water in oil)
- o/w (oil in water)
- w/o/w (water in oil in water)
In which type of emulsion are small water droplets enclosed within larger oil droplets, which are then dispersed in water?
In which type of emulsion are small water droplets enclosed within larger oil droplets, which are then dispersed in water?
- o/w/o (oil in water in oil)
- w/o/w (water in oil in water) (correct)
- o/w (oil in water)
- w/o (water in oil)
What is the globule size range for microemulsions?
What is the globule size range for microemulsions?
- 50–500nm (correct)
- 1000–1500nm
- 10–50nm
- 500–1000nm
Which type of emulsion is suitable for intravenous injection?
Which type of emulsion is suitable for intravenous injection?
What is the advantage of microemulsions for drug administration?
What is the advantage of microemulsions for drug administration?
What is the nature of the external and internal phases in a water-in-oil emulsion?
What is the nature of the external and internal phases in a water-in-oil emulsion?
Which type of emulsion contains small oil droplets enclosed within larger water droplets, which are then dispersed in oil?
Which type of emulsion contains small oil droplets enclosed within larger water droplets, which are then dispersed in oil?
What is the globule size range for microemulsions?
What is the globule size range for microemulsions?
What is the advantage of multiple emulsion systems?
What is the advantage of multiple emulsion systems?
Which type of emulsion is suitable for oral, topical, and parenteral administration?
Which type of emulsion is suitable for oral, topical, and parenteral administration?
Flashcards
What is a w/o emulsion?
What is a w/o emulsion?
Water is the internal phase, and oil is the external phase.
What is a w/o/w emulsion?
What is a w/o/w emulsion?
Small water droplets within larger oil droplets, dispersed in water.
What is the globule size for microemulsions?
What is the globule size for microemulsions?
Globule size ranges from 50–500nm.
Which emulsion is suitable for IV injection?
Which emulsion is suitable for IV injection?
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Advantage of microemulsions?
Advantage of microemulsions?
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Phases in oil-in-water emulsion?
Phases in oil-in-water emulsion?
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What is o/w/o emulsion?
What is o/w/o emulsion?
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Advantage of multiple emulsion systems?
Advantage of multiple emulsion systems?
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Which emulsion for oral, topical, parenteral use?
Which emulsion for oral, topical, parenteral use?
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Study Notes
Emulsion Types
- Water-in-oil emulsion: internal phase is water, external phase is oil.
Microemulsions
- Globule size range: 10-100 nm.
- Advantage: suitable for drug administration due to enhanced bioavailability and solubilization of hydrophobic drugs.
Multiple Emulsion Systems
- Advantage: suitable for oral, topical, and parenteral administration due to versatility and controlled release.
Emulsion Structure
- Water-in-oil emulsion: small water droplets enclosed within larger oil droplets.
- Oil-in-water emulsion: small oil droplets enclosed within larger water droplets, then dispersed in oil.
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