Aerosol by GS added

Aerosol - Introduction History Advantage & Disadvantage | L-3 Unit-5 | Industrial Pharmacy 5th Sem #Physical Pharmaceutics-I #B.Pharm 3rd SEM 2nd Year #BP302TAn aerosol is a suspension of fine solid particles or liquid droplets in air or another gas. Aerosols can be natural or anthropogenic. Examples of natural aerosols are fog or mist, dust, forest exudates, and geyser steam. Pharmaceutical Aerosol is defined as aerosol product containing active ingredients dissolved ,suspended or emulsified in a propellant or a mixture of solvent and propellant and intended for oral or topical administration or for administration into the eye, nose ,ear, rectum and vagina. In 1942 - First aerosol was developed. (insecticide) In1950 - Pharmaceutical aerosol for topical administration was developed. In 1955 - Aerosol for the local activity in the respiratory tract was developed Here we are going to discuss about: Introduction, Principle, Classification, Container, Merit & Demerits and Inhalers. 1. Types of aerosol 2. Component of aerosol 3. Valve 4. Actuator 5. Dip tube 6. Propellant 7. Container 8. Aerosol pressure 9. ferrule 10. chlorofluorocarbon 11.Hydrocarbon Propellant 12. Aerosol formulation 13. Evaluation of Aerosol