- Home
- Blog
- News
- Basics
- Sources
- Agencies, Regulatory & Organisations
- CERSI Excipients Browser
- Excipient Report
- Excipient DMF List
- EXCiPACT Certified Companies
- Excipient Documentation
- Excipient EINECS Numbers
- Excipient E-Numbers
- FDA Inactive Ingredient List
- FDA GRAS Substances (SCOGS) Database
- IPEC Americas
- USP - U.S. Pharmacopeia
- Definitions
- Whitepapers / Publications
- Supplier
- Services
- Media
- Events
- 1st pharmaexcipients Poster Award
- Event Calendar
- Events featured by pharma-excipients
- 4th Annual Formulation & Drug Delivery Congress
- DDF Summit
- ExcipientFest Americas
- ExcipientFest Asia
- Global CompliancePanel
- International Conference and Exhibition on Pharmaceutics & Novel Drug Delivery Systems
- Formulation & Drug Delivery USA Congress
- Laboratory Medicine 2018
- Making Pharmaceuticals Europe
- Making Pharmaceuticals Exhibition
- Pharma Integrates
- PharmaExcipients China @CPhI China
- TTC Technology Training Center
- Jobs
- Online Sourcing
- Contact
09. February 2017
Abstract The effects of propellant type, cosolvent content, and air humidity on the morphology and solid phase of the particles produced from solution pressurized metered dose inhalers containing the corticosteroid beclomethasone dipropionate were investigated. The active ingredient was dissolved in the HFA propellants 134a and 227ea with varying levels of the cosolvent ethanol and filled into pressurized metered dose inhalers. Inhalers were actuated into an evaporation chamber under controlled...