Study 3 Dry Powder Inhalation Device

Dry powder inhalers have been in the market for approximately 20 years. Their use is increasing due to new forms of medications that can be micro-encapsulated in a manner that permits pulmonary delivery. As all products intended for human use must be considered for contaminants, it was surprising that in one recent case, dry powder inhalers were found to contain many compounds not found in the original formulation, including phthalates, alkanes, branched chain hydrocarbons, and alcohols. The investigation of the root cause demonstrates that the 

Handbook for the Chemical Analysis of Plastic and Polymer Additives 

CASE STUDIES PERFORMANCE AND EXPOSURE ISSUES WITH ORGANIC 

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