What is the difference between microsphere and microcapsule?

– A microcapsule has a liquid core and a solid shell. – A microsphere is a matrix with an active principle dispersed inside. A microcapsule has an inner core & an outer shell. The core can be either liquid (oil or water) or solid and typically contains the active ingredient while the shell is usually a polymer or wax.

What do you mean by microsphere?

Listen to pronunciation. (MY-kroh-sfeer) A very tiny, hollow, round particle made from glass, ceramic, plastic, or other materials. Microspheres injected into blood vessels that feed a tumor may kill the tumor by blocking its blood supply.

What is the difference between microparticles and microspheres?

For example, metal microparticles can be explosive in air. Microspheres are spherical microparticles, and are used where consistent and predictable particle surface area is important. In biological systems, a microparticle is synonymous with a microvesicle, a type of extracellular vesicle (EV).

What is a microsphere in biology?

A spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter usually in the micrometer or nanometer range, and that is often filled with a substance (as a drug or antibody) for release as the shell is degraded.

What is the meaning of microcapsules?

a tiny capsule
Definition of microcapsule : a tiny capsule containing material (such as an adhesive or a medicine) that is released when the capsule is broken, melted, or dissolved.

What is microsphere in drug delivery?

Controlled drug delivery system (Microspheres) releases the drug in controlled rate and overcome the problems of conventional drug delivery system and enhances the therapeutic efficacy of a given drug 1.

What is microsphere in evolution?

Microspheres are microscopic, firm spherules which form on the cooling of hot saturated solutions of proteinoids. They were first reported in 1959 by Sidney Fox, K. Harada, and J. Kendrick who proposed that microspheres might represent a significant early stage in precellular evolution.

How is a microsphere prepared?

Microspheres were prepared by the emulsion method. Basic materials of microspheres PLA with PCL were dissolved in a volatile organic solvent of dichloromethane then was emulsified, and dispersed in another solvent that do not interfere each other to form microparticles called microspheres.

What is the difference between nanoparticles and microparticles?

Nanoparticles are polymeric particles in the nanometer size range whereas microparticles are particles in the micrometre size range.

What are microspheres and Coacervates?

Coacervates are aggregates of lipids while microspheres are aggregates of proteinoids. Both structures are microscopic. This is the difference between coacervates and microspheres.

What is microencapsulation Slideshare?

Read more. Sagar Savale. M. Pharm (Pharmaceutics) “It is define has an substance or Pharmaceutical material is encapsulated over the surface of solid, droplet of liquid and dispersion of medium is known has Microencapsulation”

What is the size range of the products obtained from microencapsulation?

The size range (2 to 2000 μm approximately) distinguishes them from the smaller nanoparticles or nanocapsules. a) Mononuclear microcapsules, b) Aggregated microcapsules, c) Surface of microcapsule (11).

What is a microcapsule?

Medical Definition of microcapsule : a tiny capsule containing material (as a medicine) that is released when the capsule is broken, melted, or dissolved

What is microencapsulation?

Drug delivery  Microencapsulation as controlled release delivery systems.  These systems allow controlling the rate, duration and distribution of the active drug.

What is the meaning of capsule?

: a tiny capsule containing material (such as an adhesive or a medicine) that is released when the capsule is broken, melted, or dissolved.

Who is the author of microencapsulation?

Download to read offline and view in fullscreen. 1. MICROENCAPSULATION Presented by: Chinchole Pravin Sonu (M.PHARM 2nd SEM) DEPARTMENT OF PHARMACEUTICS & QUALITY ASSURANCE R. C. Patel Institute of Pharmaceutical Education and Research, shirpur.