What is injectable emulsion?
Abstract. Lipid injectable emulsions (ILEs) are complex pharmaceutical formulations used as a source of energy and essential fatty acids in parenteral nutrition. Issues associated with ILE use are distinctly different from oral fat and arise from emulsion stability, dose, and infusion tolerance.
What are the 3 types of disperse system?
Depending upon the minute particles’ nature of the dispersed phase, the colloids are mainly differentiated into three types:
- Multimolecular colloids.
- Macromolecular Colloids.
- Associated Colloids.
What is the difference between a colloid suspension and emulsion?
Colloid particles resist settling rapidly to the bottom of a vessel due to Brownian motion. Emulsions are an example of colloids composed of tiny particles suspended in another immiscible (unmixable) material. An emulsion is a suspension of two liquids that usually do not mix together.
What is injectable suspension?
4. [DRUG] Injectable Suspension— Liquid preparations of solids suspended in a suitable liquid medium. 5. [DRUG] for Injectable Suspension— Dry solids that, upon the addition of suitable vehicles, yield preparations conforming in all respects to the requirements for Injectable Suspensions. Definitions.
What is a suspension drug?
Suspensions are defined as finely divided undissolved drugs dispersed in liquid vehicles. They can be a ready-to-use liquid suspension or a dry powder reconstitutable suspension, which is dispersed in water by the patient, a caregiver or a pharmacist.
What is the difference between suspension and dispersion?
Dispersions consist of a continuous and dispersed phase. The classification of dispersions is based on the particle sizes and homogeneity of the mixture. The main dispersion categories are suspensions, and colloids. Suspensions are heterogeneous mixtures that contain larger particles than solutions.
What is colloid and suspension?
Suspensions and colloids are heterogeneous mixtures. A suspension is identifiable because its particles are large and settle out of the dispersing medium due to the effects of gravity. The dispersed particles of a colloid are intermediate in size between those of a solution and a suspension.
Is an emulsion a colloid?
An emulsion is a type of colloid formed by combining two liquids that normally don’t mix. In an emulsion, one liquid contains a dispersion of the other liquid. Common examples of emulsions include egg yolk, butter, and mayonnaise.
How many types of injection are there?
Learn about the 4 types of injection: intradermal, subcutaneous, intravenous and intramuscular injections, and what they are used for in Singapore.